Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/sra/add-sra-package

73 files changed, 2436 insertions, 1574 deletions

diff --git a/README.md b/README.md
index 1d6aa08a9..0f55f3fa8 100644
--- a/README.md
+++ b/README.md
@@ -82,10 +82,12 @@ We strongly recommend that the community help us make improvements and determine
 
 ### Install dependencies
 
-If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+Make sure you are using Yarn v1.6. To install using brew:
 
-```bash
-yarn config set workspaces-experimental true
+```
+brew unlink yarn
+brew install https://raw.githubusercontent.com/Homebrew/homebrew-core/76215230de5f7f7bee2cfcdd7185cf49d949862d/Formula/yarn.rb
+brew switch yarn 1.6.0_1
 ```
 
 Then install dependencies
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index d9eef089f..02e1acf91 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -1,5 +1,18 @@
 [
     {
+        "version": "1.0.1-rc.3",
+        "changes": [
+            {
+                "note": "Add ForwarderWrapper",
+                "pr": 934
+            },
+            {
+                "note": "Optimize orders in ForwarderWrapper",
+                "pr": 936
+            }
+        ]
+    },
+    {
         "version": "1.0.1-rc.2",
         "changes": [
             {
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index ed0278caa..f27afaba9 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -14,7 +14,7 @@
         "watch_without_deps": "yarn pre_build && tsc -w",
         "build": "yarn pre_build && tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "pre_build": "run-s update_artifacts_v2_beta update_artifacts_v2 generate_contract_wrappers copy_artifacts",
-        "generate_contract_wrappers": "abi-gen --abis 'src/artifacts/@(Exchange|DummyERC20Token|DummyERC721Token|ZRXToken|ERC20Token|ERC721Token|WETH9|ERC20Proxy|ERC721Proxy).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers",
+        "generate_contract_wrappers": "abi-gen --abis 'src/artifacts/@(Exchange|DummyERC20Token|DummyERC721Token|ZRXToken|ERC20Token|ERC721Token|WETH9|ERC20Proxy|ERC721Proxy|Forwarder).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers",
         "lint": "tslint --project . --exclude **/src/contract_wrappers/**/* --exclude **/lib/**/*",
         "test:circleci": "run-s test:coverage",
         "test": "yarn run_mocha",
@@ -29,7 +29,7 @@
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js"
     },
     "config": {
-        "contracts_v2_beta": "Exchange ERC20Proxy ERC20Token ERC721Proxy ERC721Token WETH9 ZRXToken",
+        "contracts_v2_beta": "Exchange ERC20Proxy ERC20Token ERC721Proxy ERC721Token WETH9 ZRXToken Forwarder",
         "contracts_v2": "DummyERC20Token DummyERC721Token"
     },
     "repository": {
diff --git a/packages/contract-wrappers/src/artifacts.ts b/packages/contract-wrappers/src/artifacts.ts
index 742d0e1b2..2481b311a 100644
--- a/packages/contract-wrappers/src/artifacts.ts
+++ b/packages/contract-wrappers/src/artifacts.ts
@@ -7,6 +7,7 @@ import * as ERC20Token from './artifacts/ERC20Token.json';
 import * as ERC721Proxy from './artifacts/ERC721Proxy.json';
 import * as ERC721Token from './artifacts/ERC721Token.json';
 import * as Exchange from './artifacts/Exchange.json';
+import * as Forwarder from './artifacts/Forwarder.json';
 import * as EtherToken from './artifacts/WETH9.json';
 import * as ZRXToken from './artifacts/ZRXToken.json';
 
@@ -20,4 +21,5 @@ export const artifacts = {
     EtherToken: (EtherToken as any) as ContractArtifact,
     ERC20Proxy: (ERC20Proxy as any) as ContractArtifact,
     ERC721Proxy: (ERC721Proxy as any) as ContractArtifact,
+    Forwarder: (Forwarder as any) as ContractArtifact,
 };
diff --git a/packages/contract-wrappers/src/contract_wrappers.ts b/packages/contract-wrappers/src/contract_wrappers.ts
index 8010242c5..4277a0746 100644
--- a/packages/contract-wrappers/src/contract_wrappers.ts
+++ b/packages/contract-wrappers/src/contract_wrappers.ts
@@ -11,6 +11,7 @@ import { ERC721ProxyWrapper } from './contract_wrappers/erc721_proxy_wrapper';
 import { ERC721TokenWrapper } from './contract_wrappers/erc721_token_wrapper';
 import { EtherTokenWrapper } from './contract_wrappers/ether_token_wrapper';
 import { ExchangeWrapper } from './contract_wrappers/exchange_wrapper';
+import { ForwarderWrapper } from './contract_wrappers/forwarder_wrapper';
 import { ContractWrappersConfigSchema } from './schemas/contract_wrappers_config_schema';
 import { contractWrappersPrivateNetworkConfigSchema } from './schemas/contract_wrappers_private_network_config_schema';
 import { contractWrappersPublicNetworkConfigSchema } from './schemas/contract_wrappers_public_network_config_schema';
@@ -47,6 +48,11 @@ export class ContractWrappers {
      * erc721Proxy smart contract.
      */
     public erc721Proxy: ERC721ProxyWrapper;
+    /**
+     * An instance of the ForwarderWrapper class containing methods for interacting with any Forwarder smart contract.
+     */
+    public forwarder: ForwarderWrapper;
+
     private _web3Wrapper: Web3Wrapper;
     /**
      * Instantiates a new ContractWrappers instance.
@@ -104,6 +110,12 @@ export class ContractWrappers {
             config.zrxContractAddress,
             blockPollingIntervalMs,
         );
+        this.forwarder = new ForwarderWrapper(
+            this._web3Wrapper,
+            config.networkId,
+            config.forwarderContractAddress,
+            config.zrxContractAddress,
+        );
     }
     /**
      * Sets a new web3 provider for 0x.js. Updating the provider will stop all
diff --git a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
index 3e7619228..48bd00f90 100644
--- a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
@@ -869,16 +869,36 @@ export class ExchangeWrapper extends ContractWrapper {
      */
     @decorators.asyncZeroExErrorHandler
     public async getOrderInfoAsync(order: Order | SignedOrder, methodOpts: MethodOpts = {}): Promise<OrderInfo> {
+        assert.doesConformToSchema('order', order, schemas.orderSchema);
         if (!_.isUndefined(methodOpts)) {
             assert.doesConformToSchema('methodOpts', methodOpts, methodOptsSchema);
         }
         const exchangeInstance = await this._getExchangeContractAsync();
-
         const txData = {};
         const orderInfo = await exchangeInstance.getOrderInfo.callAsync(order, txData, methodOpts.defaultBlock);
         return orderInfo;
     }
     /**
+     * Get order info for multiple orders
+     * @param orders         Orders
+     * @param methodOpts    Optional arguments this method accepts.
+     * @returns Array of Order infos
+     */
+    @decorators.asyncZeroExErrorHandler
+    public async getOrdersInfoAsync(
+        orders: Array<Order | SignedOrder>,
+        methodOpts: MethodOpts = {},
+    ): Promise<OrderInfo[]> {
+        assert.doesConformToSchema('orders', orders, schemas.ordersSchema);
+        if (!_.isUndefined(methodOpts)) {
+            assert.doesConformToSchema('methodOpts', methodOpts, methodOptsSchema);
+        }
+        const exchangeInstance = await this._getExchangeContractAsync();
+        const txData = {};
+        const ordersInfo = await exchangeInstance.getOrdersInfo.callAsync(orders, txData, methodOpts.defaultBlock);
+        return ordersInfo;
+    }
+    /**
      * Cancel a given order.
      * @param   order           An object that conforms to the Order or SignedOrder interface. The order you would like to cancel.
      * @param   transactionOpts Optional arguments this method accepts.
diff --git a/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts
new file mode 100644
index 000000000..13ef0fe01
--- /dev/null
+++ b/packages/contract-wrappers/src/contract_wrappers/forwarder_wrapper.ts
@@ -0,0 +1,220 @@
+import { schemas } from '@0xproject/json-schemas';
+import { AssetProxyId, SignedOrder } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import { ContractAbi } from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { artifacts } from '../artifacts';
+import { orderTxOptsSchema } from '../schemas/order_tx_opts_schema';
+import { txOptsSchema } from '../schemas/tx_opts_schema';
+import { TransactionOpts } from '../types';
+import { assert } from '../utils/assert';
+import { calldataOptimizationUtils } from '../utils/calldata_optimization_utils';
+import { constants } from '../utils/constants';
+
+import { ContractWrapper } from './contract_wrapper';
+import { ForwarderContract } from './generated/forwarder';
+
+/**
+ * This class includes the functionality related to interacting with the Forwarder contract.
+ */
+export class ForwarderWrapper extends ContractWrapper {
+    public abi: ContractAbi = artifacts.Forwarder.compilerOutput.abi;
+    private _forwarderContractIfExists?: ForwarderContract;
+    private _contractAddressIfExists?: string;
+    private _zrxContractAddressIfExists?: string;
+    constructor(
+        web3Wrapper: Web3Wrapper,
+        networkId: number,
+        contractAddressIfExists?: string,
+        zrxContractAddressIfExists?: string,
+    ) {
+        super(web3Wrapper, networkId);
+        this._contractAddressIfExists = contractAddressIfExists;
+        this._zrxContractAddressIfExists = zrxContractAddressIfExists;
+    }
+    /**
+     * Purchases as much of orders' makerAssets as possible by selling up to 95% of transaction's ETH value.
+     * Any ZRX required to pay fees for primary orders will automatically be purchased by this contract.
+     * 5% of ETH value is reserved for paying fees to order feeRecipients (in ZRX) and forwarding contract feeRecipient (in ETH).
+     * Any ETH not spent will be refunded to sender.
+     * @param   signedOrders         An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset.
+     *                               All orders must specify WETH as the takerAsset
+     * @param   takerAddress         The user Ethereum address who would like to fill this order. Must be available via the supplied
+     *                               Provider provided at instantiation.
+     * @param   ethAmount            The amount of eth to send with the transaction (in wei).
+     * @param   signedFeeOrders      An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset.
+     *                               Used to purchase ZRX for primary order fees.
+     * @param   feePercentage        The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.
+     *                               Defaults to 0.
+     * @param   feeRecipientAddress  The address that will receive ETH when signedFeeOrders are filled.
+     * @param   txOpts               Transaction parameters.
+     * @return  Transaction hash.
+     */
+    public async marketSellOrdersWithEthAsync(
+        signedOrders: SignedOrder[],
+        takerAddress: string,
+        ethAmount: BigNumber,
+        signedFeeOrders: SignedOrder[] = [],
+        feePercentage: BigNumber = constants.ZERO_AMOUNT,
+        feeRecipientAddress: string = constants.NULL_ADDRESS,
+        txOpts: TransactionOpts = {},
+    ): Promise<string> {
+        // type assertions
+        assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+        await assert.isSenderAddressAsync('takerAddress', takerAddress, this._web3Wrapper);
+        assert.isBigNumber('ethAmount', ethAmount);
+        assert.doesConformToSchema('signedFeeOrders', signedFeeOrders, schemas.signedOrdersSchema);
+        assert.isBigNumber('feePercentage', feePercentage);
+        assert.isETHAddressHex('feeRecipientAddress', feeRecipientAddress);
+        assert.doesConformToSchema('txOpts', txOpts, txOptsSchema);
+        // other assertions
+        assert.ordersCanBeUsedForForwarderContract(signedOrders, this.getEtherTokenAddress());
+        assert.feeOrdersCanBeUsedForForwarderContract(
+            signedFeeOrders,
+            this.getZRXTokenAddress(),
+            this.getEtherTokenAddress(),
+        );
+        // lowercase input addresses
+        const normalizedTakerAddress = takerAddress.toLowerCase();
+        const normalizedFeeRecipientAddress = feeRecipientAddress.toLowerCase();
+        // optimize orders
+        const optimizedMarketOrders = calldataOptimizationUtils.optimizeForwarderOrders(signedOrders);
+        const optimizedFeeOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(signedFeeOrders);
+        // send transaction
+        const forwarderContractInstance = await this._getForwarderContractAsync();
+        const txHash = await forwarderContractInstance.marketSellOrdersWithEth.sendTransactionAsync(
+            optimizedMarketOrders,
+            _.map(optimizedMarketOrders, order => order.signature),
+            optimizedFeeOrders,
+            _.map(optimizedFeeOrders, order => order.signature),
+            feePercentage,
+            feeRecipientAddress,
+            {
+                value: ethAmount,
+                from: normalizedTakerAddress,
+                gas: txOpts.gasLimit,
+                gasPrice: txOpts.gasPrice,
+            },
+        );
+        return txHash;
+    }
+    /**
+     * Attempt to purchase makerAssetFillAmount of makerAsset by selling ethAmount provided with transaction.
+     * Any ZRX required to pay fees for primary orders will automatically be purchased by the contract.
+     * Any ETH not spent will be refunded to sender.
+     * @param   signedOrders         An array of objects that conform to the SignedOrder interface. All orders must specify the same makerAsset.
+     *                               All orders must specify WETH as the takerAsset
+     * @param   makerAssetFillAmount The amount of the order (in taker asset baseUnits) that you wish to fill.
+     * @param   takerAddress         The user Ethereum address who would like to fill this order. Must be available via the supplied
+     *                               Provider provided at instantiation.
+     * @param   ethAmount            The amount of eth to send with the transaction (in wei).
+     * @param   signedFeeOrders      An array of objects that conform to the SignedOrder interface. All orders must specify ZRX as makerAsset and WETH as takerAsset.
+     *                               Used to purchase ZRX for primary order fees.
+     * @param   feePercentage        The percentage of WETH sold that will payed as fee to forwarding contract feeRecipient.
+     *                               Defaults to 0.
+     * @param   feeRecipientAddress  The address that will receive ETH when signedFeeOrders are filled.
+     * @param   txOpts               Transaction parameters.
+     * @return  Transaction hash.
+     */
+    public async marketBuyOrdersWithEthAsync(
+        signedOrders: SignedOrder[],
+        makerAssetFillAmount: BigNumber,
+        takerAddress: string,
+        ethAmount: BigNumber,
+        signedFeeOrders: SignedOrder[] = [],
+        feePercentage: BigNumber = constants.ZERO_AMOUNT,
+        feeRecipientAddress: string = constants.NULL_ADDRESS,
+        txOpts: TransactionOpts = {},
+    ): Promise<string> {
+        // type assertions
+        assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+        assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount);
+        await assert.isSenderAddressAsync('takerAddress', takerAddress, this._web3Wrapper);
+        assert.isBigNumber('ethAmount', ethAmount);
+        assert.doesConformToSchema('signedFeeOrders', signedFeeOrders, schemas.signedOrdersSchema);
+        assert.isBigNumber('feePercentage', feePercentage);
+        assert.isETHAddressHex('feeRecipientAddress', feeRecipientAddress);
+        assert.doesConformToSchema('txOpts', txOpts, txOptsSchema);
+        // other assertions
+        assert.ordersCanBeUsedForForwarderContract(signedOrders, this.getEtherTokenAddress());
+        assert.feeOrdersCanBeUsedForForwarderContract(
+            signedFeeOrders,
+            this.getZRXTokenAddress(),
+            this.getEtherTokenAddress(),
+        );
+        // lowercase input addresses
+        const normalizedTakerAddress = takerAddress.toLowerCase();
+        const normalizedFeeRecipientAddress = feeRecipientAddress.toLowerCase();
+        // optimize orders
+        const optimizedMarketOrders = calldataOptimizationUtils.optimizeForwarderOrders(signedOrders);
+        const optimizedFeeOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(signedFeeOrders);
+        // send transaction
+        const forwarderContractInstance = await this._getForwarderContractAsync();
+        const txHash = await forwarderContractInstance.marketBuyOrdersWithEth.sendTransactionAsync(
+            optimizedMarketOrders,
+            makerAssetFillAmount,
+            _.map(optimizedMarketOrders, order => order.signature),
+            optimizedFeeOrders,
+            _.map(optimizedFeeOrders, order => order.signature),
+            feePercentage,
+            feeRecipientAddress,
+            {
+                value: ethAmount,
+                from: normalizedTakerAddress,
+                gas: txOpts.gasLimit,
+                gasPrice: txOpts.gasPrice,
+            },
+        );
+        return txHash;
+    }
+    /**
+     * Retrieves the Ethereum address of the Forwarder contract deployed on the network
+     * that the user-passed web3 provider is connected to.
+     * @returns The Ethereum address of the Forwarder contract being used.
+     */
+    public getContractAddress(): string {
+        const contractAddress = this._getContractAddress(artifacts.Forwarder, this._contractAddressIfExists);
+        return contractAddress;
+    }
+    /**
+     * Returns the ZRX token address used by the forwarder contract.
+     * @return Address of ZRX token
+     */
+    public getZRXTokenAddress(): string {
+        const contractAddress = this._getContractAddress(artifacts.ZRXToken, this._zrxContractAddressIfExists);
+        return contractAddress;
+    }
+    /**
+     * Returns the Ether token address used by the forwarder contract.
+     * @return Address of Ether token
+     */
+    public getEtherTokenAddress(): string {
+        const contractAddress = this._getContractAddress(artifacts.EtherToken);
+        return contractAddress;
+    }
+    // HACK: We don't want this method to be visible to the other units within that package but not to the end user.
+    // TS doesn't give that possibility and therefore we make it private and access it over an any cast. Because of that tslint sees it as unused.
+    // tslint:disable-next-line:no-unused-variable
+    private _invalidateContractInstance(): void {
+        delete this._forwarderContractIfExists;
+    }
+    private async _getForwarderContractAsync(): Promise<ForwarderContract> {
+        if (!_.isUndefined(this._forwarderContractIfExists)) {
+            return this._forwarderContractIfExists;
+        }
+        const [abi, address] = await this._getContractAbiAndAddressFromArtifactsAsync(
+            artifacts.Forwarder,
+            this._contractAddressIfExists,
+        );
+        const contractInstance = new ForwarderContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
+        this._forwarderContractIfExists = contractInstance;
+        return this._forwarderContractIfExists;
+    }
+}
diff --git a/packages/contract-wrappers/src/index.ts b/packages/contract-wrappers/src/index.ts
index e5485d7a6..1986e0004 100644
--- a/packages/contract-wrappers/src/index.ts
+++ b/packages/contract-wrappers/src/index.ts
@@ -5,6 +5,7 @@ export { EtherTokenWrapper } from './contract_wrappers/ether_token_wrapper';
 export { ExchangeWrapper } from './contract_wrappers/exchange_wrapper';
 export { ERC20ProxyWrapper } from './contract_wrappers/erc20_proxy_wrapper';
 export { ERC721ProxyWrapper } from './contract_wrappers/erc721_proxy_wrapper';
+export { ForwarderWrapper } from './contract_wrappers/forwarder_wrapper';
 
 export {
     ContractWrappersError,
diff --git a/packages/contract-wrappers/src/types.ts b/packages/contract-wrappers/src/types.ts
index f9d7a6b9f..2b3cdc591 100644
--- a/packages/contract-wrappers/src/types.ts
+++ b/packages/contract-wrappers/src/types.ts
@@ -109,6 +109,7 @@ export type SyncMethod = (...args: any[]) => any;
  * zrxContractAddress: The address of the ZRX contract to use
  * erc20ProxyContractAddress: The address of the erc20 token transfer proxy contract to use
  * erc721ProxyContractAddress: The address of the erc721 token transfer proxy contract to use
+ * forwarderContractAddress: The address of the forwarder contract to use
  * orderWatcherConfig: All the configs related to the orderWatcher
  * blockPollingIntervalMs: The interval to use for block polling in event watching methods (defaults to 1000)
  */
@@ -119,6 +120,7 @@ export interface ContractWrappersConfig {
     zrxContractAddress?: string;
     erc20ProxyContractAddress?: string;
     erc721ProxyContractAddress?: string;
+    forwarderContractAddress?: string;
     blockPollingIntervalMs?: number;
 }
 
@@ -172,13 +174,13 @@ export enum TransferType {
 export type OnOrderStateChangeCallback = (err: Error | null, orderState?: OrderState) => void;
 
 export interface OrderInfo {
-    orderStatus: number;
+    orderStatus: OrderStatus;
     orderHash: string;
     orderTakerAssetFilledAmount: BigNumber;
 }
 
 export enum OrderStatus {
-    INVALID,
+    INVALID = 0,
     INVALID_MAKER_ASSET_AMOUNT,
     INVALID_TAKER_ASSET_AMOUNT,
     FILLABLE,
diff --git a/packages/contract-wrappers/src/utils/assert.ts b/packages/contract-wrappers/src/utils/assert.ts
index 842b16fa0..183642170 100644
--- a/packages/contract-wrappers/src/utils/assert.ts
+++ b/packages/contract-wrappers/src/utils/assert.ts
@@ -1,11 +1,14 @@
 import { assert as sharedAssert } from '@0xproject/assert';
 // HACK: We need those two unused imports because they're actually used by sharedAssert which gets injected here
 import { Schema } from '@0xproject/json-schemas'; // tslint:disable-line:no-unused-variable
-import { isValidSignatureAsync } from '@0xproject/order-utils';
-import { ECSignature } from '@0xproject/types'; // tslint:disable-line:no-unused-variable
+import { assetDataUtils, isValidSignatureAsync } from '@0xproject/order-utils';
+import { ECSignature, Order } from '@0xproject/types'; // tslint:disable-line:no-unused-variable
 import { BigNumber } from '@0xproject/utils'; // tslint:disable-line:no-unused-variable
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider } from 'ethereum-types';
+import * as _ from 'lodash';
+
+import { constants } from './constants';
 
 export const assert = {
     ...sharedAssert,
@@ -16,12 +19,12 @@ export const assert = {
         signerAddress: string,
     ): Promise<void> {
         const isValid = await isValidSignatureAsync(provider, orderHash, signature, signerAddress);
-        this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
+        sharedAssert.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
     },
     isValidSubscriptionToken(variableName: string, subscriptionToken: string): void {
         const uuidRegex = new RegExp('^[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}$');
         const isValid = uuidRegex.test(subscriptionToken);
-        this.assert(isValid, `Expected ${variableName} to be a valid subscription token`);
+        sharedAssert.assert(isValid, `Expected ${variableName} to be a valid subscription token`);
     },
     async isSenderAddressAsync(
         variableName: string,
@@ -35,4 +38,53 @@ export const assert = {
             `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
         );
     },
+    ordersCanBeUsedForForwarderContract(orders: Order[], etherTokenAddress: string): void {
+        sharedAssert.assert(!_.isEmpty(orders), 'Expected at least 1 signed order. Found no orders');
+        assert.ordersHaveAtMostOneUniqueValueForProperty(orders, 'makerAssetData');
+        assert.allTakerAssetDatasAreErc20Token(orders, etherTokenAddress);
+        assert.allTakerAddressesAreNull(orders);
+    },
+    feeOrdersCanBeUsedForForwarderContract(orders: Order[], zrxTokenAddress: string, etherTokenAddress: string): void {
+        if (!_.isEmpty(orders)) {
+            assert.allMakerAssetDatasAreErc20Token(orders, zrxTokenAddress);
+            assert.allTakerAssetDatasAreErc20Token(orders, etherTokenAddress);
+        }
+    },
+    allTakerAddressesAreNull(orders: Order[]): void {
+        assert.ordersHaveAtMostOneUniqueValueForProperty(orders, 'takerAddress', constants.NULL_ADDRESS);
+    },
+    allMakerAssetDatasAreErc20Token(orders: Order[], tokenAddress: string): void {
+        assert.ordersHaveAtMostOneUniqueValueForProperty(
+            orders,
+            'makerAssetData',
+            assetDataUtils.encodeERC20AssetData(tokenAddress),
+        );
+    },
+    allTakerAssetDatasAreErc20Token(orders: Order[], tokenAddress: string): void {
+        assert.ordersHaveAtMostOneUniqueValueForProperty(
+            orders,
+            'takerAssetData',
+            assetDataUtils.encodeERC20AssetData(tokenAddress),
+        );
+    },
+    /*
+     * Asserts that all the orders have the same value for the provided propertyName
+     * If the value parameter is provided, this asserts that all orders have the prope
+    */
+    ordersHaveAtMostOneUniqueValueForProperty(orders: Order[], propertyName: string, value?: any): void {
+        const allValues = _.map(orders, order => _.get(order, propertyName));
+        sharedAssert.hasAtMostOneUniqueValue(
+            allValues,
+            `Expected all orders to have the same ${propertyName} field. Found the following ${propertyName} values: ${JSON.stringify(
+                allValues,
+            )}`,
+        );
+        if (!_.isUndefined(value)) {
+            const firstValue = _.head(allValues);
+            sharedAssert.assert(
+                firstValue === value,
+                `Expected all orders to have a ${propertyName} field with value: ${value}. Found: ${firstValue}`,
+            );
+        }
+    },
 };
diff --git a/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts b/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts
new file mode 100644
index 000000000..3172cf531
--- /dev/null
+++ b/packages/contract-wrappers/src/utils/calldata_optimization_utils.ts
@@ -0,0 +1,44 @@
+import { SignedOrder } from '@0xproject/types';
+import * as _ from 'lodash';
+
+import { constants } from './constants';
+
+export const calldataOptimizationUtils = {
+    /**
+     * Takes an array of orders and outputs an array of equivalent orders where all takerAssetData are '0x' and
+     * all makerAssetData are '0x' except for that of the first order, which retains its original value
+     * @param   orders         An array of SignedOrder objects
+     * @returns optimized orders
+     */
+    optimizeForwarderOrders(orders: SignedOrder[]): SignedOrder[] {
+        const optimizedOrders = _.map(orders, (order, index) =>
+            transformOrder(order, {
+                makerAssetData: index === 0 ? order.makerAssetData : constants.NULL_BYTES,
+                takerAssetData: constants.NULL_BYTES,
+            }),
+        );
+        return optimizedOrders;
+    },
+    /**
+     * Takes an array of orders and outputs an array of equivalent orders where all takerAssetData are '0x' and
+     * all makerAssetData are '0x'
+     * @param   orders         An array of SignedOrder objects
+     * @returns optimized orders
+     */
+    optimizeForwarderFeeOrders(orders: SignedOrder[]): SignedOrder[] {
+        const optimizedOrders = _.map(orders, (order, index) =>
+            transformOrder(order, {
+                makerAssetData: constants.NULL_BYTES,
+                takerAssetData: constants.NULL_BYTES,
+            }),
+        );
+        return optimizedOrders;
+    },
+};
+
+const transformOrder = (order: SignedOrder, partialOrder: Partial<SignedOrder>) => {
+    return {
+        ...order,
+        ...partialOrder,
+    };
+};
diff --git a/packages/contract-wrappers/src/utils/constants.ts b/packages/contract-wrappers/src/utils/constants.ts
index 039475b7f..2df11538c 100644
--- a/packages/contract-wrappers/src/utils/constants.ts
+++ b/packages/contract-wrappers/src/utils/constants.ts
@@ -2,6 +2,7 @@ import { BigNumber } from '@0xproject/utils';
 
 export const constants = {
     NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+    NULL_BYTES: '0x',
     TESTRPC_NETWORK_ID: 50,
     INVALID_JUMP_PATTERN: 'invalid JUMP at',
     REVERT: 'revert',
@@ -10,4 +11,5 @@ export const constants = {
     // tslint:disable-next-line:custom-no-magic-numbers
     UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1),
     DEFAULT_BLOCK_POLLING_INTERVAL: 1000,
+    ZERO_AMOUNT: new BigNumber(0),
 };
diff --git a/packages/contract-wrappers/test/calldata_optimization_utils_test.ts b/packages/contract-wrappers/test/calldata_optimization_utils_test.ts
new file mode 100644
index 000000000..a4cea772f
--- /dev/null
+++ b/packages/contract-wrappers/test/calldata_optimization_utils_test.ts
@@ -0,0 +1,60 @@
+import { orderFactory } from '@0xproject/order-utils';
+import * as chai from 'chai';
+import * as _ from 'lodash';
+import 'mocha';
+
+import { assert } from '../src/utils/assert';
+import { calldataOptimizationUtils } from '../src/utils/calldata_optimization_utils';
+import { constants } from '../src/utils/constants';
+
+import { chaiSetup } from './utils/chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+// utility for generating a set of order objects with mostly NULL values
+// except for a specified makerAssetData and takerAssetData
+const FAKE_ORDERS_COUNT = 5;
+const generateFakeOrders = (makerAssetData: string, takerAssetData: string) =>
+    _.map(_.range(FAKE_ORDERS_COUNT), index => {
+        const order = orderFactory.createOrder(
+            constants.NULL_ADDRESS,
+            constants.ZERO_AMOUNT,
+            makerAssetData,
+            constants.ZERO_AMOUNT,
+            takerAssetData,
+            constants.NULL_ADDRESS,
+        );
+        return {
+            ...order,
+            signature: 'dummy signature',
+        };
+    });
+
+describe('calldataOptimizationUtils', () => {
+    const fakeMakerAssetData = 'fakeMakerAssetData';
+    const fakeTakerAssetData = 'fakeTakerAssetData';
+    const orders = generateFakeOrders(fakeMakerAssetData, fakeTakerAssetData);
+    describe('#optimizeForwarderOrders', () => {
+        it('should make makerAssetData `0x` unless first order', () => {
+            const optimizedOrders = calldataOptimizationUtils.optimizeForwarderOrders(orders);
+            expect(optimizedOrders[0].makerAssetData).to.equal(fakeMakerAssetData);
+            const ordersWithoutHead = _.slice(optimizedOrders, 1);
+            _.forEach(ordersWithoutHead, order => expect(order.makerAssetData).to.equal(constants.NULL_BYTES));
+        });
+        it('should make all takerAssetData `0x`', () => {
+            const optimizedOrders = calldataOptimizationUtils.optimizeForwarderOrders(orders);
+            _.forEach(optimizedOrders, order => expect(order.takerAssetData).to.equal(constants.NULL_BYTES));
+        });
+    });
+    describe('#optimizeForwarderFeeOrders', () => {
+        it('should make all makerAssetData `0x`', () => {
+            const optimizedOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(orders);
+            _.forEach(optimizedOrders, order => expect(order.makerAssetData).to.equal(constants.NULL_BYTES));
+        });
+        it('should make all takerAssetData `0x`', () => {
+            const optimizedOrders = calldataOptimizationUtils.optimizeForwarderFeeOrders(orders);
+            _.forEach(optimizedOrders, order => expect(order.takerAssetData).to.equal(constants.NULL_BYTES));
+        });
+    });
+});
diff --git a/packages/contract-wrappers/test/exchange_wrapper_test.ts b/packages/contract-wrappers/test/exchange_wrapper_test.ts
index dca212f65..fa3b49eb9 100644
--- a/packages/contract-wrappers/test/exchange_wrapper_test.ts
+++ b/packages/contract-wrappers/test/exchange_wrapper_test.ts
@@ -277,6 +277,15 @@ describe('ExchangeWrapper', () => {
             expect(orderInfo.orderHash).to.be.equal(orderHash);
         });
     });
+    describe('#getOrdersInfoAsync', () => {
+        it('should get the orders info', async () => {
+            const ordersInfo = await contractWrappers.exchange.getOrdersInfoAsync([signedOrder, anotherSignedOrder]);
+            const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
+            expect(ordersInfo[0].orderHash).to.be.equal(orderHash);
+            const anotherOrderHash = orderHashUtils.getOrderHashHex(anotherSignedOrder);
+            expect(ordersInfo[1].orderHash).to.be.equal(anotherOrderHash);
+        });
+    });
     describe('#isValidSignature', () => {
         it('should check if the signature is valid', async () => {
             const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
@@ -295,7 +304,7 @@ describe('ExchangeWrapper', () => {
         });
     });
     describe('#isAllowedValidatorAsync', () => {
-        it('should check if the validator is alllowed', async () => {
+        it('should check if the validator is allowed', async () => {
             const signerAddress = makerAddress;
             const validatorAddress = constants.NULL_ADDRESS;
             const isAllowed = await contractWrappers.exchange.isAllowedValidatorAsync(signerAddress, validatorAddress);
diff --git a/packages/contract-wrappers/test/forwarder_wrapper_test.ts b/packages/contract-wrappers/test/forwarder_wrapper_test.ts
new file mode 100644
index 000000000..3f3b40e0b
--- /dev/null
+++ b/packages/contract-wrappers/test/forwarder_wrapper_test.ts
@@ -0,0 +1,130 @@
+import { BlockchainLifecycle, callbackErrorReporter } from '@0xproject/dev-utils';
+import { FillScenarios } from '@0xproject/fill-scenarios';
+import { assetDataUtils, orderHashUtils } from '@0xproject/order-utils';
+import { DoneCallback, SignedOrder } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import { BlockParamLiteral } from 'ethereum-types';
+import 'mocha';
+
+import {
+    ContractWrappers,
+    DecodedLogEvent,
+    ExchangeCancelEventArgs,
+    ExchangeEvents,
+    ExchangeFillEventArgs,
+    OrderStatus,
+} from '../src';
+
+import { chaiSetup } from './utils/chai_setup';
+import { constants } from './utils/constants';
+import { tokenUtils } from './utils/token_utils';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+describe('ForwarderWrapper', () => {
+    const contractWrappersConfig = {
+        networkId: constants.TESTRPC_NETWORK_ID,
+        blockPollingIntervalMs: 0,
+    };
+    const fillableAmount = new BigNumber(5);
+    const takerTokenFillAmount = new BigNumber(5);
+    let contractWrappers: ContractWrappers;
+    let fillScenarios: FillScenarios;
+    let forwarderContractAddress: string;
+    let exchangeContractAddress: string;
+    let zrxTokenAddress: string;
+    let userAddresses: string[];
+    let coinbase: string;
+    let makerAddress: string;
+    let takerAddress: string;
+    let feeRecipient: string;
+    let anotherMakerAddress: string;
+    let makerTokenAddress: string;
+    let takerTokenAddress: string;
+    let makerAssetData: string;
+    let takerAssetData: string;
+    let signedOrder: SignedOrder;
+    let anotherSignedOrder: SignedOrder;
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+        contractWrappers = new ContractWrappers(provider, contractWrappersConfig);
+        forwarderContractAddress = contractWrappers.forwarder.getContractAddress();
+        exchangeContractAddress = contractWrappers.exchange.getContractAddress();
+        userAddresses = await web3Wrapper.getAvailableAddressesAsync();
+        zrxTokenAddress = tokenUtils.getProtocolTokenAddress();
+        fillScenarios = new FillScenarios(
+            provider,
+            userAddresses,
+            zrxTokenAddress,
+            exchangeContractAddress,
+            contractWrappers.erc20Proxy.getContractAddress(),
+            contractWrappers.erc721Proxy.getContractAddress(),
+        );
+        [coinbase, makerAddress, takerAddress, feeRecipient, anotherMakerAddress] = userAddresses;
+        [makerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
+        takerTokenAddress = tokenUtils.getWethTokenAddress();
+        [makerAssetData, takerAssetData] = [
+            assetDataUtils.encodeERC20AssetData(makerTokenAddress),
+            assetDataUtils.encodeERC20AssetData(takerTokenAddress),
+        ];
+        signedOrder = await fillScenarios.createFillableSignedOrderAsync(
+            makerAssetData,
+            takerAssetData,
+            makerAddress,
+            constants.NULL_ADDRESS,
+            fillableAmount,
+        );
+        anotherSignedOrder = await fillScenarios.createFillableSignedOrderAsync(
+            makerAssetData,
+            takerAssetData,
+            makerAddress,
+            constants.NULL_ADDRESS,
+            fillableAmount,
+        );
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    describe('#marketBuyOrdersWithEthAsync', () => {
+        it('should market buy orders with eth', async () => {
+            const signedOrders = [signedOrder, anotherSignedOrder];
+            const makerAssetFillAmount = signedOrder.makerAssetAmount.plus(anotherSignedOrder.makerAssetAmount);
+            const txHash = await contractWrappers.forwarder.marketBuyOrdersWithEthAsync(
+                signedOrders,
+                makerAssetFillAmount,
+                takerAddress,
+                makerAssetFillAmount,
+            );
+            await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+            const ordersInfo = await contractWrappers.exchange.getOrdersInfoAsync([signedOrder, anotherSignedOrder]);
+            expect(ordersInfo[0].orderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
+            expect(ordersInfo[1].orderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
+        });
+    });
+    describe('#marketSellOrdersWithEthAsync', () => {
+        it('should market sell orders with eth', async () => {
+            const signedOrders = [signedOrder, anotherSignedOrder];
+            const makerAssetFillAmount = signedOrder.makerAssetAmount.plus(anotherSignedOrder.makerAssetAmount);
+            const txHash = await contractWrappers.forwarder.marketSellOrdersWithEthAsync(
+                signedOrders,
+                takerAddress,
+                makerAssetFillAmount,
+            );
+            await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
+            const ordersInfo = await contractWrappers.exchange.getOrdersInfoAsync([signedOrder, anotherSignedOrder]);
+            expect(ordersInfo[0].orderStatus).to.be.equal(OrderStatus.FULLY_FILLED);
+            expect(ordersInfo[1].orderStatus).to.be.equal(OrderStatus.FILLABLE);
+            expect(ordersInfo[1].orderTakerAssetFilledAmount).to.be.bignumber.equal(new BigNumber(4)); // only 95% of ETH is sold
+        });
+    });
+});
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json
index dba836bde..ad35fc5b3 100644
--- a/packages/contracts/compiler.json
+++ b/packages/contracts/compiler.json
@@ -42,12 +42,13 @@
         "TestConstants",
         "TestLibBytes",
         "TestLibs",
+        "TestExchangeInternals",
         "TestSignatureValidator",
         "TokenRegistry",
         "Validator",
         "Wallet",
-        "Whitelist",
         "WETH9",
+        "Whitelist",
         "ZRXToken"
     ]
 }
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 9fe8046b1..014210d33 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -33,7 +33,7 @@
         "lint-contracts": "solhint src/2.0.0/**/**/**/**/*.sol"
     },
     "config": {
-        "abis": "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestLibBytes|TestLibs|TestSignatureValidator|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
+        "abis": "../migrations/artifacts/2.0.0/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
     },
     "repository": {
         "type": "git",
@@ -79,11 +79,13 @@
         "@0xproject/typescript-typings": "^1.0.3",
         "@0xproject/utils": "^1.0.4",
         "@0xproject/web3-wrapper": "^1.1.2",
+        "@types/js-combinatorics": "^0.5.29",
         "bn.js": "^4.11.8",
         "ethereum-types": "^1.0.3",
         "ethereumjs-abi": "0.6.5",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
+        "js-combinatorics": "^0.5.3",
         "lodash": "^4.17.4"
     }
 }
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
index 354d0e9c3..ab5c6e507 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
@@ -207,7 +207,6 @@ contract MixinExchangeCore is
     /// @param order that was filled.
     /// @param takerAddress Address of taker who filled the order.
     /// @param orderTakerAssetFilledAmount Amount of order already filled.
-    /// @return fillResults Amounts filled and fees paid by maker and taker.
     function updateFilledState(
         Order memory order,
         address takerAddress,
diff --git a/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol b/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
new file mode 100644
index 000000000..923bac97d
--- /dev/null
+++ b/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
@@ -0,0 +1,120 @@
+/*
+
+  Copyright 2018 ZeroEx Intl.
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+
+*/
+
+pragma solidity 0.4.24;
+pragma experimental ABIEncoderV2;
+
+import "../../protocol/Exchange/Exchange.sol";
+
+
+contract TestExchangeInternals is
+    Exchange
+{
+    constructor ()
+        public
+        Exchange("")
+    {}
+
+    /// @dev Adds properties of both FillResults instances.
+    ///      Modifies the first FillResults instance specified.
+    ///      Note that this function has been modified from the original
+    //       internal version to return the FillResults.
+    /// @param totalFillResults Fill results instance that will be added onto.
+    /// @param singleFillResults Fill results instance that will be added to totalFillResults.
+    /// @return newTotalFillResults The result of adding singleFillResults to totalFilResults.
+    function publicAddFillResults(FillResults memory totalFillResults, FillResults memory singleFillResults)
+        public
+        pure
+        returns (FillResults memory)
+    {
+        addFillResults(totalFillResults, singleFillResults);
+        return totalFillResults;
+    }
+
+    /// @dev Calculates amounts filled and fees paid by maker and taker.
+    /// @param order to be filled.
+    /// @param takerAssetFilledAmount Amount of takerAsset that will be filled.
+    /// @return fillResults Amounts filled and fees paid by maker and taker.
+    function publicCalculateFillResults(
+        Order memory order,
+        uint256 takerAssetFilledAmount
+    )
+        public
+        pure
+        returns (FillResults memory fillResults)
+    {
+        return calculateFillResults(order, takerAssetFilledAmount);
+    }
+
+    /// @dev Calculates partial value given a numerator and denominator.
+    /// @param numerator Numerator.
+    /// @param denominator Denominator.
+    /// @param target Value to calculate partial of.
+    /// @return Partial value of target.
+    function publicGetPartialAmount(
+        uint256 numerator,
+        uint256 denominator,
+        uint256 target
+    )
+        public
+        pure
+        returns (uint256 partialAmount)
+    {
+        return getPartialAmount(numerator, denominator, target);
+    }
+
+    /// @dev Checks if rounding error > 0.1%.
+    /// @param numerator Numerator.
+    /// @param denominator Denominator.
+    /// @param target Value to multiply with numerator/denominator.
+    /// @return Rounding error is present.
+    function publicIsRoundingError(
+        uint256 numerator,
+        uint256 denominator,
+        uint256 target
+    )
+        public
+        pure
+        returns (bool isError)
+    {
+        return isRoundingError(numerator, denominator, target);
+    }
+ 
+    /// @dev Updates state with results of a fill order.
+    /// @param order that was filled.
+    /// @param takerAddress Address of taker who filled the order.
+    /// @param orderTakerAssetFilledAmount Amount of order already filled.
+    /// @return fillResults Amounts filled and fees paid by maker and taker.
+    function publicUpdateFilledState(
+        Order memory order,
+        address takerAddress,
+        bytes32 orderHash,
+        uint256 orderTakerAssetFilledAmount,
+        FillResults memory fillResults
+    )
+        public
+    {
+        updateFilledState(
+            order,
+            takerAddress,
+            orderHash,
+            orderTakerAssetFilledAmount,
+            fillResults
+        );
+    }
+}
diff --git a/packages/contracts/test/exchange/fill_order.ts b/packages/contracts/test/exchange/fill_order.ts
index 029bd66e2..1494fe093 100644
--- a/packages/contracts/test/exchange/fill_order.ts
+++ b/packages/contracts/test/exchange/fill_order.ts
@@ -2,7 +2,10 @@ import { BlockchainLifecycle } from '@0xproject/dev-utils';
 import * as _ from 'lodash';
 
 import { chaiSetup } from '../utils/chai_setup';
-import { CoreCombinatorialUtils, coreCombinatorialUtilsFactoryAsync } from '../utils/core_combinatorial_utils';
+import {
+    FillOrderCombinatorialUtils,
+    fillOrderCombinatorialUtilsFactoryAsync,
+} from '../utils/fill_order_combinatorial_utils';
 import {
     AllowanceAmountScenario,
     AssetDataScenario,
@@ -47,11 +50,11 @@ const defaultFillScenario = {
 };
 
 describe('FillOrder Tests', () => {
-    let coreCombinatorialUtils: CoreCombinatorialUtils;
+    let fillOrderCombinatorialUtils: FillOrderCombinatorialUtils;
 
     before(async () => {
         await blockchainLifecycle.startAsync();
-        coreCombinatorialUtils = await coreCombinatorialUtilsFactoryAsync(web3Wrapper, txDefaults);
+        fillOrderCombinatorialUtils = await fillOrderCombinatorialUtilsFactoryAsync(web3Wrapper, txDefaults);
     });
     after(async () => {
         await blockchainLifecycle.revertAsync();
@@ -67,19 +70,19 @@ describe('FillOrder Tests', () => {
             _.forEach(fillScenarios, fillScenario => {
                 const description = `Combinatorial OrderFill: ${JSON.stringify(fillScenario)}`;
                 it(description, async () => {
-                    await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+                    await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
                 });
             });
         };
 
-        const allFillScenarios = CoreCombinatorialUtils.generateFillOrderCombinations();
+        const allFillScenarios = FillOrderCombinatorialUtils.generateFillOrderCombinations();
         describe('Combinatorially generated fills orders', () => test(allFillScenarios));
 
         it('should transfer the correct amounts when makerAssetAmount === takerAssetAmount', async () => {
             const fillScenario = {
                 ...defaultFillScenario,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
         it('should transfer the correct amounts when makerAssetAmount > takerAssetAmount', async () => {
             const fillScenario = {
@@ -89,7 +92,7 @@ describe('FillOrder Tests', () => {
                     takerAssetAmountScenario: OrderAssetAmountScenario.Small,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
         it('should transfer the correct amounts when makerAssetAmount < takerAssetAmount', async () => {
             const fillScenario = {
@@ -99,7 +102,7 @@ describe('FillOrder Tests', () => {
                     makerAssetAmountScenario: OrderAssetAmountScenario.Small,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
         it('should transfer the correct amounts when taker is specified and order is claimed by taker', async () => {
             const fillScenario = {
@@ -109,14 +112,14 @@ describe('FillOrder Tests', () => {
                     takerScenario: TakerScenario.CorrectlySpecified,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
         it('should fill remaining value if takerAssetFillAmount > remaining takerAssetAmount', async () => {
             const fillScenario = {
                 ...defaultFillScenario,
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
         it('should throw when taker is specified and order is claimed by other', async () => {
             const fillScenario = {
@@ -126,7 +129,7 @@ describe('FillOrder Tests', () => {
                     takerScenario: TakerScenario.IncorrectlySpecified,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if makerAssetAmount is 0', async () => {
@@ -138,7 +141,7 @@ describe('FillOrder Tests', () => {
                 },
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if takerAssetAmount is 0', async () => {
@@ -150,7 +153,7 @@ describe('FillOrder Tests', () => {
                 },
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.GreaterThanRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if takerAssetFillAmount is 0', async () => {
@@ -158,7 +161,7 @@ describe('FillOrder Tests', () => {
                 ...defaultFillScenario,
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.Zero,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if an order is expired', async () => {
@@ -169,7 +172,7 @@ describe('FillOrder Tests', () => {
                     expirationTimeSecondsScenario: ExpirationTimeSecondsScenario.InPast,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if maker erc20Balances are too low to fill order', async () => {
@@ -180,7 +183,7 @@ describe('FillOrder Tests', () => {
                     traderAssetBalance: BalanceAmountScenario.TooLow,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if taker erc20Balances are too low to fill order', async () => {
@@ -191,7 +194,7 @@ describe('FillOrder Tests', () => {
                     traderAssetBalance: BalanceAmountScenario.TooLow,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if maker allowances are too low to fill order', async () => {
@@ -202,7 +205,7 @@ describe('FillOrder Tests', () => {
                     traderAssetAllowance: AllowanceAmountScenario.TooLow,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should throw if taker allowances are too low to fill order', async () => {
@@ -213,7 +216,7 @@ describe('FillOrder Tests', () => {
                     traderAssetAllowance: AllowanceAmountScenario.TooLow,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
     });
 
@@ -228,7 +231,7 @@ describe('FillOrder Tests', () => {
                 },
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should successfully fill order when makerAsset is ERC721 and takerAsset is ERC20', async () => {
@@ -241,7 +244,7 @@ describe('FillOrder Tests', () => {
                 },
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario, true);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario, true);
         });
 
         it('should successfully fill order when makerAsset is ERC20 and takerAsset is ERC721', async () => {
@@ -254,7 +257,7 @@ describe('FillOrder Tests', () => {
                 },
                 takerAssetFillAmountScenario: TakerAssetFillAmountScenario.ExactlyRemainingFillableTakerAssetAmount,
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should successfully fill order when makerAsset is ERC721 and approveAll is set for it', async () => {
@@ -271,7 +274,7 @@ describe('FillOrder Tests', () => {
                     traderAssetAllowance: AllowanceAmountScenario.Unlimited,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
 
         it('should successfully fill order when makerAsset and takerAsset are ERC721 and approveAll is set for them', async () => {
@@ -292,7 +295,7 @@ describe('FillOrder Tests', () => {
                     traderAssetAllowance: AllowanceAmountScenario.Unlimited,
                 },
             };
-            await coreCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
+            await fillOrderCombinatorialUtils.testFillOrderScenarioAsync(provider, fillScenario);
         });
     });
 });
diff --git a/packages/contracts/test/exchange/internal.ts b/packages/contracts/test/exchange/internal.ts
new file mode 100644
index 000000000..67d1d2d2c
--- /dev/null
+++ b/packages/contracts/test/exchange/internal.ts
@@ -0,0 +1,305 @@
+import { BlockchainLifecycle } from '@0xproject/dev-utils';
+import { Order, RevertReason, SignedOrder } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+
+import { TestExchangeInternalsContract } from '../../generated_contract_wrappers/test_exchange_internals';
+import { artifacts } from '../utils/artifacts';
+import {
+    getInvalidOpcodeErrorMessageForCallAsync,
+    getRevertReasonOrErrorMessageForSendTransactionAsync,
+} from '../utils/assertions';
+import { chaiSetup } from '../utils/chai_setup';
+import { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from '../utils/combinatorial_utils';
+import { constants } from '../utils/constants';
+import { FillResults } from '../utils/types';
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
+
+chaiSetup.configure();
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+const MAX_UINT256 = new BigNumber(2).pow(256).minus(1);
+
+const emptyOrder: Order = {
+    senderAddress: constants.NULL_ADDRESS,
+    makerAddress: constants.NULL_ADDRESS,
+    takerAddress: constants.NULL_ADDRESS,
+    makerFee: new BigNumber(0),
+    takerFee: new BigNumber(0),
+    makerAssetAmount: new BigNumber(0),
+    takerAssetAmount: new BigNumber(0),
+    makerAssetData: '0x',
+    takerAssetData: '0x',
+    salt: new BigNumber(0),
+    exchangeAddress: constants.NULL_ADDRESS,
+    feeRecipientAddress: constants.NULL_ADDRESS,
+    expirationTimeSeconds: new BigNumber(0),
+};
+
+const emptySignedOrder: SignedOrder = {
+    ...emptyOrder,
+    signature: '',
+};
+
+const overflowErrorForCall = new Error(RevertReason.Uint256Overflow);
+
+async function referenceGetPartialAmountAsync(
+    numerator: BigNumber,
+    denominator: BigNumber,
+    target: BigNumber,
+): Promise<BigNumber> {
+    const invalidOpcodeErrorForCall = new Error(await getInvalidOpcodeErrorMessageForCallAsync());
+    const product = numerator.mul(target);
+    if (product.greaterThan(MAX_UINT256)) {
+        throw overflowErrorForCall;
+    }
+    if (denominator.eq(0)) {
+        throw invalidOpcodeErrorForCall;
+    }
+    return product.dividedToIntegerBy(denominator);
+}
+
+describe('Exchange core internal functions', () => {
+    let testExchange: TestExchangeInternalsContract;
+    let invalidOpcodeErrorForCall: Error | undefined;
+    let overflowErrorForSendTransaction: Error | undefined;
+
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
+        testExchange = await TestExchangeInternalsContract.deployFrom0xArtifactAsync(
+            artifacts.TestExchangeInternals,
+            provider,
+            txDefaults,
+        );
+        overflowErrorForSendTransaction = new Error(
+            await getRevertReasonOrErrorMessageForSendTransactionAsync(RevertReason.Uint256Overflow),
+        );
+        invalidOpcodeErrorForCall = new Error(await getInvalidOpcodeErrorMessageForCallAsync());
+    });
+    // Note(albrow): Don't forget to add beforeEach and afterEach calls to reset
+    // the blockchain state for any tests which modify it!
+
+    describe('addFillResults', async () => {
+        function makeFillResults(value: BigNumber): FillResults {
+            return {
+                makerAssetFilledAmount: value,
+                takerAssetFilledAmount: value,
+                makerFeePaid: value,
+                takerFeePaid: value,
+            };
+        }
+        async function referenceAddFillResultsAsync(
+            totalValue: BigNumber,
+            singleValue: BigNumber,
+        ): Promise<FillResults> {
+            // Note(albrow): Here, each of totalFillResults and
+            // singleFillResults will consist of fields with the same values.
+            // This should be safe because none of the fields in a given
+            // FillResults are ever used together in a mathemetical operation.
+            // They are only used with the corresponding field from *the other*
+            // FillResults, which are different.
+            const totalFillResults = makeFillResults(totalValue);
+            const singleFillResults = makeFillResults(singleValue);
+            // HACK(albrow): _.mergeWith mutates the first argument! To
+            // workaround this we use _.cloneDeep.
+            return _.mergeWith(
+                _.cloneDeep(totalFillResults),
+                singleFillResults,
+                (totalVal: BigNumber, singleVal: BigNumber) => {
+                    const newTotal = totalVal.add(singleVal);
+                    if (newTotal.greaterThan(MAX_UINT256)) {
+                        throw overflowErrorForCall;
+                    }
+                    return newTotal;
+                },
+            );
+        }
+        async function testAddFillResultsAsync(totalValue: BigNumber, singleValue: BigNumber): Promise<FillResults> {
+            const totalFillResults = makeFillResults(totalValue);
+            const singleFillResults = makeFillResults(singleValue);
+            return testExchange.publicAddFillResults.callAsync(totalFillResults, singleFillResults);
+        }
+        await testCombinatoriallyWithReferenceFuncAsync(
+            'addFillResults',
+            referenceAddFillResultsAsync,
+            testAddFillResultsAsync,
+            [uint256Values, uint256Values],
+        );
+    });
+
+    describe('calculateFillResults', async () => {
+        function makeOrder(
+            makerAssetAmount: BigNumber,
+            takerAssetAmount: BigNumber,
+            makerFee: BigNumber,
+            takerFee: BigNumber,
+        ): Order {
+            return {
+                ...emptyOrder,
+                makerAssetAmount,
+                takerAssetAmount,
+                makerFee,
+                takerFee,
+            };
+        }
+        async function referenceCalculateFillResultsAsync(
+            orderTakerAssetAmount: BigNumber,
+            takerAssetFilledAmount: BigNumber,
+            otherAmount: BigNumber,
+        ): Promise<FillResults> {
+            // Note(albrow): Here we are re-using the same value (otherAmount)
+            // for order.makerAssetAmount, order.makerFee, and order.takerFee.
+            // This should be safe because they are never used with each other
+            // in any mathematical operation in either the reference TypeScript
+            // implementation or the Solidity implementation of
+            // calculateFillResults.
+            return {
+                makerAssetFilledAmount: await referenceGetPartialAmountAsync(
+                    takerAssetFilledAmount,
+                    orderTakerAssetAmount,
+                    otherAmount,
+                ),
+                takerAssetFilledAmount,
+                makerFeePaid: await referenceGetPartialAmountAsync(
+                    takerAssetFilledAmount,
+                    orderTakerAssetAmount,
+                    otherAmount,
+                ),
+                takerFeePaid: await referenceGetPartialAmountAsync(
+                    takerAssetFilledAmount,
+                    orderTakerAssetAmount,
+                    otherAmount,
+                ),
+            };
+        }
+        async function testCalculateFillResultsAsync(
+            orderTakerAssetAmount: BigNumber,
+            takerAssetFilledAmount: BigNumber,
+            otherAmount: BigNumber,
+        ): Promise<FillResults> {
+            const order = makeOrder(otherAmount, orderTakerAssetAmount, otherAmount, otherAmount);
+            return testExchange.publicCalculateFillResults.callAsync(order, takerAssetFilledAmount);
+        }
+        await testCombinatoriallyWithReferenceFuncAsync(
+            'calculateFillResults',
+            referenceCalculateFillResultsAsync,
+            testCalculateFillResultsAsync,
+            [uint256Values, uint256Values, uint256Values],
+        );
+    });
+
+    describe('getPartialAmount', async () => {
+        async function testGetPartialAmountAsync(
+            numerator: BigNumber,
+            denominator: BigNumber,
+            target: BigNumber,
+        ): Promise<BigNumber> {
+            return testExchange.publicGetPartialAmount.callAsync(numerator, denominator, target);
+        }
+        await testCombinatoriallyWithReferenceFuncAsync(
+            'getPartialAmount',
+            referenceGetPartialAmountAsync,
+            testGetPartialAmountAsync,
+            [uint256Values, uint256Values, uint256Values],
+        );
+    });
+
+    describe('isRoundingError', async () => {
+        async function referenceIsRoundingErrorAsync(
+            numerator: BigNumber,
+            denominator: BigNumber,
+            target: BigNumber,
+        ): Promise<boolean> {
+            const product = numerator.mul(target);
+            if (denominator.eq(0)) {
+                throw invalidOpcodeErrorForCall;
+            }
+            const remainder = product.mod(denominator);
+            if (remainder.eq(0)) {
+                return false;
+            }
+            if (product.greaterThan(MAX_UINT256)) {
+                throw overflowErrorForCall;
+            }
+            if (product.eq(0)) {
+                throw invalidOpcodeErrorForCall;
+            }
+            const remainderTimes1000000 = remainder.mul('1000000');
+            if (remainderTimes1000000.greaterThan(MAX_UINT256)) {
+                throw overflowErrorForCall;
+            }
+            const errPercentageTimes1000000 = remainderTimes1000000.dividedToIntegerBy(product);
+            return errPercentageTimes1000000.greaterThan('1000');
+        }
+        async function testIsRoundingErrorAsync(
+            numerator: BigNumber,
+            denominator: BigNumber,
+            target: BigNumber,
+        ): Promise<boolean> {
+            return testExchange.publicIsRoundingError.callAsync(numerator, denominator, target);
+        }
+        await testCombinatoriallyWithReferenceFuncAsync(
+            'isRoundingError',
+            referenceIsRoundingErrorAsync,
+            testIsRoundingErrorAsync,
+            [uint256Values, uint256Values, uint256Values],
+        );
+    });
+
+    describe('updateFilledState', async () => {
+        // Note(albrow): Since updateFilledState modifies the state by calling
+        // sendTransaction, we must reset the state after each test.
+        beforeEach(async () => {
+            await blockchainLifecycle.startAsync();
+        });
+        afterEach(async () => {
+            await blockchainLifecycle.revertAsync();
+        });
+        async function referenceUpdateFilledStateAsync(
+            takerAssetFilledAmount: BigNumber,
+            orderTakerAssetFilledAmount: BigNumber,
+            // tslint:disable-next-line:no-unused-variable
+            orderHash: string,
+        ): Promise<BigNumber> {
+            const totalFilledAmount = takerAssetFilledAmount.add(orderTakerAssetFilledAmount);
+            if (totalFilledAmount.greaterThan(MAX_UINT256)) {
+                throw overflowErrorForSendTransaction;
+            }
+            return totalFilledAmount;
+        }
+        async function testUpdateFilledStateAsync(
+            takerAssetFilledAmount: BigNumber,
+            orderTakerAssetFilledAmount: BigNumber,
+            orderHash: string,
+        ): Promise<BigNumber> {
+            const fillResults = {
+                makerAssetFilledAmount: new BigNumber(0),
+                takerAssetFilledAmount,
+                makerFeePaid: new BigNumber(0),
+                takerFeePaid: new BigNumber(0),
+            };
+            await web3Wrapper.awaitTransactionSuccessAsync(
+                await testExchange.publicUpdateFilledState.sendTransactionAsync(
+                    emptySignedOrder,
+                    constants.NULL_ADDRESS,
+                    orderHash,
+                    orderTakerAssetFilledAmount,
+                    fillResults,
+                ),
+                constants.AWAIT_TRANSACTION_MINED_MS,
+            );
+            return testExchange.filled.callAsync(orderHash);
+        }
+        await testCombinatoriallyWithReferenceFuncAsync(
+            'updateFilledState',
+            referenceUpdateFilledStateAsync,
+            testUpdateFilledStateAsync,
+            [uint256Values, uint256Values, bytes32Values],
+        );
+    });
+});
diff --git a/packages/contracts/test/exchange/libs.ts b/packages/contracts/test/exchange/libs.ts
index 51794d8a3..5c9f9aac7 100644
--- a/packages/contracts/test/exchange/libs.ts
+++ b/packages/contracts/test/exchange/libs.ts
@@ -67,6 +67,35 @@ describe('Exchange libs', () => {
             });
         });
     });
+    // Note(albrow): These tests are designed to be supplemental to the
+    // combinatorial tests in test/exchange/internal. They test specific edge
+    // cases that are not covered by the combinatorial tests.
+    describe('LibMath', () => {
+        it('should return false if there is a rounding error of 0.1%', async () => {
+            const numerator = new BigNumber(20);
+            const denominator = new BigNumber(999);
+            const target = new BigNumber(50);
+            // rounding error = ((20*50/999) - floor(20*50/999)) / (20*50/999) = 0.1%
+            const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
+            expect(isRoundingError).to.be.false();
+        });
+        it('should return false if there is a rounding of 0.09%', async () => {
+            const numerator = new BigNumber(20);
+            const denominator = new BigNumber(9991);
+            const target = new BigNumber(500);
+            // rounding error = ((20*500/9991) - floor(20*500/9991)) / (20*500/9991) = 0.09%
+            const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
+            expect(isRoundingError).to.be.false();
+        });
+        it('should return true if there is a rounding error of 0.11%', async () => {
+            const numerator = new BigNumber(20);
+            const denominator = new BigNumber(9989);
+            const target = new BigNumber(500);
+            // rounding error = ((20*500/9989) - floor(20*500/9989)) / (20*500/9989) = 0.011%
+            const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
+            expect(isRoundingError).to.be.true();
+        });
+    });
 
     describe('LibOrder', () => {
         describe('getOrderSchema', () => {
@@ -93,96 +122,4 @@ describe('Exchange libs', () => {
             });
         });
     });
-
-    describe('LibMath', () => {
-        describe('isRoundingError', () => {
-            it('should return false if there is a rounding error of 0.1%', async () => {
-                const numerator = new BigNumber(20);
-                const denominator = new BigNumber(999);
-                const target = new BigNumber(50);
-                // rounding error = ((20*50/999) - floor(20*50/999)) / (20*50/999) = 0.1%
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.false();
-            });
-
-            it('should return false if there is a rounding of 0.09%', async () => {
-                const numerator = new BigNumber(20);
-                const denominator = new BigNumber(9991);
-                const target = new BigNumber(500);
-                // rounding error = ((20*500/9991) - floor(20*500/9991)) / (20*500/9991) = 0.09%
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.false();
-            });
-
-            it('should return true if there is a rounding error of 0.11%', async () => {
-                const numerator = new BigNumber(20);
-                const denominator = new BigNumber(9989);
-                const target = new BigNumber(500);
-                // rounding error = ((20*500/9989) - floor(20*500/9989)) / (20*500/9989) = 0.011%
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.true();
-            });
-
-            it('should return true if there is a rounding error > 0.1%', async () => {
-                const numerator = new BigNumber(3);
-                const denominator = new BigNumber(7);
-                const target = new BigNumber(10);
-                // rounding error = ((3*10/7) - floor(3*10/7)) / (3*10/7) = 6.67%
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.true();
-            });
-
-            it('should return false when there is no rounding error', async () => {
-                const numerator = new BigNumber(1);
-                const denominator = new BigNumber(2);
-                const target = new BigNumber(10);
-
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.false();
-            });
-
-            it('should return false when there is rounding error <= 0.1%', async () => {
-                // randomly generated numbers
-                const numerator = new BigNumber(76564);
-                const denominator = new BigNumber(676373677);
-                const target = new BigNumber(105762562);
-                // rounding error = ((76564*105762562/676373677) - floor(76564*105762562/676373677)) /
-                // (76564*105762562/676373677) = 0.0007%
-                const isRoundingError = await libs.publicIsRoundingError.callAsync(numerator, denominator, target);
-                expect(isRoundingError).to.be.false();
-            });
-        });
-
-        describe('getPartialAmount', () => {
-            it('should return the numerator/denominator*target', async () => {
-                const numerator = new BigNumber(1);
-                const denominator = new BigNumber(2);
-                const target = new BigNumber(10);
-
-                const partialAmount = await libs.publicGetPartialAmount.callAsync(numerator, denominator, target);
-                const expectedPartialAmount = 5;
-                expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
-            });
-
-            it('should round down', async () => {
-                const numerator = new BigNumber(2);
-                const denominator = new BigNumber(3);
-                const target = new BigNumber(10);
-
-                const partialAmount = await libs.publicGetPartialAmount.callAsync(numerator, denominator, target);
-                const expectedPartialAmount = 6;
-                expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
-            });
-
-            it('should round .5 down', async () => {
-                const numerator = new BigNumber(1);
-                const denominator = new BigNumber(20);
-                const target = new BigNumber(10);
-
-                const partialAmount = await libs.publicGetPartialAmount.callAsync(numerator, denominator, target);
-                const expectedPartialAmount = 0;
-                expect(partialAmount).to.be.bignumber.equal(expectedPartialAmount);
-            });
-        });
-    });
 });
diff --git a/packages/contracts/test/utils/artifacts.ts b/packages/contracts/test/utils/artifacts.ts
index 63bd555a4..e608ee174 100644
--- a/packages/contracts/test/utils/artifacts.ts
+++ b/packages/contracts/test/utils/artifacts.ts
@@ -16,6 +16,7 @@ import * as MultiSigWalletWithTimeLock from '../../artifacts/MultiSigWalletWithT
 import * as TestAssetProxyDispatcher from '../../artifacts/TestAssetProxyDispatcher.json';
 import * as TestAssetProxyOwner from '../../artifacts/TestAssetProxyOwner.json';
 import * as TestConstants from '../../artifacts/TestConstants.json';
+import * as TestExchangeInternals from '../../artifacts/TestExchangeInternals.json';
 import * as TestLibBytes from '../../artifacts/TestLibBytes.json';
 import * as TestLibs from '../../artifacts/TestLibs.json';
 import * as TestSignatureValidator from '../../artifacts/TestSignatureValidator.json';
@@ -46,6 +47,7 @@ export const artifacts = {
     TestConstants: (TestConstants as any) as ContractArtifact,
     TestLibBytes: (TestLibBytes as any) as ContractArtifact,
     TestLibs: (TestLibs as any) as ContractArtifact,
+    TestExchangeInternals: (TestExchangeInternals as any) as ContractArtifact,
     TestSignatureValidator: (TestSignatureValidator as any) as ContractArtifact,
     Validator: (Validator as any) as ContractArtifact,
     Wallet: (Wallet as any) as ContractArtifact,
diff --git a/packages/contracts/test/utils/assertions.ts b/packages/contracts/test/utils/assertions.ts
index 112a470f6..61df800c8 100644
--- a/packages/contracts/test/utils/assertions.ts
+++ b/packages/contracts/test/utils/assertions.ts
@@ -15,6 +15,14 @@ let nodeType: NodeType | undefined;
 // resolve with either a transaction receipt or a transaction hash.
 export type sendTransactionResult = Promise<TransactionReceipt | TransactionReceiptWithDecodedLogs | string>;
 
+/**
+ * Returns ganacheError if the backing Ethereum node is Ganache and gethError
+ * if it is Geth.
+ * @param ganacheError the error to be returned if the backing node is Ganache.
+ * @param gethError the error to be returned if the backing node is Geth.
+ * @returns either the given ganacheError or gethError depending on the backing
+ * node.
+ */
 async function _getGanacheOrGethError(ganacheError: string, gethError: string): Promise<string> {
     if (_.isUndefined(nodeType)) {
         nodeType = await web3Wrapper.getNodeTypeAsync();
@@ -42,6 +50,25 @@ async function _getContractCallFailedErrorMessageAsync(): Promise<string> {
 }
 
 /**
+ * Returns the expected error message for an 'invalid opcode' resulting from a
+ * contract call. The exact error message depends on the backing Ethereum node.
+ */
+export async function getInvalidOpcodeErrorMessageForCallAsync(): Promise<string> {
+    return _getGanacheOrGethError('invalid opcode', 'Contract call failed');
+}
+
+/**
+ * Returns the expected error message for the given revert reason resulting from
+ * a sendTransaction call. The exact error message depends on the backing
+ * Ethereum node and whether it supports revert reasons.
+ * @param reason a specific revert reason.
+ * @returns the expected error message.
+ */
+export async function getRevertReasonOrErrorMessageForSendTransactionAsync(reason: RevertReason): Promise<string> {
+    return _getGanacheOrGethError(reason, 'always failing transaction');
+}
+
+/**
  * Rejects if the given Promise does not reject with an error indicating
  * insufficient funds.
  * @param p a promise resulting from a contract call or sendTransaction call.
diff --git a/packages/contracts/test/utils/combinatorial_utils.ts b/packages/contracts/test/utils/combinatorial_utils.ts
new file mode 100644
index 000000000..d72b41f8a
--- /dev/null
+++ b/packages/contracts/test/utils/combinatorial_utils.ts
@@ -0,0 +1,113 @@
+import { BigNumber } from '@0xproject/utils';
+import * as combinatorics from 'js-combinatorics';
+
+import { testWithReferenceFuncAsync } from './test_with_reference';
+
+// A set of values corresponding to the uint256 type in Solidity. This set
+// contains some notable edge cases, including some values which will overflow
+// the uint256 type when used in different mathematical operations.
+export const uint256Values = [
+    new BigNumber(0),
+    new BigNumber(1),
+    new BigNumber(2),
+    // Non-trivial big number.
+    new BigNumber(2).pow(64),
+    // Max that does not overflow when squared.
+    new BigNumber(2).pow(128).minus(1),
+    // Min that does overflow when squared.
+    new BigNumber(2).pow(128),
+    // Max that does not overflow when doubled.
+    new BigNumber(2).pow(255).minus(1),
+    // Min that does overflow when doubled.
+    new BigNumber(2).pow(255),
+    // Max that does not overflow.
+    new BigNumber(2).pow(256).minus(1),
+];
+
+// A set of values corresponding to the bytes32 type in Solidity.
+export const bytes32Values = [
+    // Min
+    '0x0000000000000000000000000000000000000000000000000000000000000000',
+    '0x0000000000000000000000000000000000000000000000000000000000000001',
+    '0x0000000000000000000000000000000000000000000000000000000000000002',
+    // Non-trivial big number.
+    '0x000000000000f000000000000000000000000000000000000000000000000000',
+    // Max
+    '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
+];
+
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, R>(
+    name: string,
+    referenceFunc: (p0: P0, p1: P1) => Promise<R>,
+    testFunc: (p0: P0, p1: P1) => Promise<R>,
+    allValues: [P0[], P1[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, R>(
+    name: string,
+    referenceFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+    allValues: [P0[], P1[], P2[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, P3, R>(
+    name: string,
+    referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+    allValues: [P0[], P1[], P2[], P3[]],
+): Promise<void>;
+export async function testCombinatoriallyWithReferenceFuncAsync<P0, P1, P2, P3, P4, R>(
+    name: string,
+    referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+    allValues: [P0[], P1[], P2[], P3[], P4[]],
+): Promise<void>;
+
+/**
+ * Uses combinatorics to test the behavior of a test function by comparing it to
+ * the expected behavior (defined by a reference function) for a large number of
+ * possible input values.
+ *
+ * First generates test cases by taking the cartesian product of the given
+ * values. Each test case is a set of N values corresponding to the N arguments
+ * for the test func and the reference func. For each test case, first the
+ * reference function will be called to obtain an "expected result", or if the
+ * reference function throws/rejects, an "expected error". Next, the test
+ * function will be called to obtain an "actual result", or if the test function
+ * throws/rejects, an "actual error". Each test case passes if at least one of
+ * the following conditions is met:
+ *
+ * 1) Neither the reference function or the test function throw and the
+ * "expected result" equals the "actual result".
+ *
+ * 2) Both the reference function and the test function throw and the "actual
+ * error" message *contains* the "expected error" message.
+ *
+ * The first test case which does not meet one of these conditions will cause
+ * the entire test to fail and this function will throw/reject.
+ *
+ * @param referenceFuncAsync a reference function implemented in pure
+ * JavaScript/TypeScript which accepts N arguments and returns the "expected
+ * result" or "expected error" for a given test case.
+ * @param testFuncAsync a test function which, e.g., makes a call or sends a
+ * transaction to a contract. It accepts the same N arguments returns the
+ * "actual result" or "actual error" for a given test case.
+ * @param values an array of N arrays. Each inner array is a set of possible
+ * values which are passed into both the reference function and the test
+ * function.
+ * @return A Promise that resolves if the test passes and rejects if the test
+ * fails, according to the rules described above.
+ */
+export async function testCombinatoriallyWithReferenceFuncAsync(
+    name: string,
+    referenceFuncAsync: (...args: any[]) => Promise<any>,
+    testFuncAsync: (...args: any[]) => Promise<any>,
+    allValues: any[],
+): Promise<void> {
+    const testCases = combinatorics.cartesianProduct(...allValues);
+    let counter = 0;
+    testCases.forEach(async testCase => {
+        counter += 1;
+        it(`${name} ${counter}/${testCases.length}`, async () => {
+            await testWithReferenceFuncAsync(referenceFuncAsync, testFuncAsync, testCase as any);
+        });
+    });
+}
diff --git a/packages/contracts/test/utils/core_combinatorial_utils.ts b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
index 44a5199c0..bdd1e62a2 100644
--- a/packages/contracts/test/utils/core_combinatorial_utils.ts
+++ b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
@@ -46,16 +46,16 @@ chaiSetup.configure();
 const expect = chai.expect;
 
 /**
- * Instantiates a new instance of CoreCombinatorialUtils. Since this method has some
+ * Instantiates a new instance of FillOrderCombinatorialUtils. Since this method has some
  * required async setup, a factory method is required.
  * @param web3Wrapper Web3Wrapper instance
  * @param txDefaults Default Ethereum tx options
- * @return CoreCombinatorialUtils instance
+ * @return FillOrderCombinatorialUtils instance
  */
-export async function coreCombinatorialUtilsFactoryAsync(
+export async function fillOrderCombinatorialUtilsFactoryAsync(
     web3Wrapper: Web3Wrapper,
     txDefaults: Partial<TxData>,
-): Promise<CoreCombinatorialUtils> {
+): Promise<FillOrderCombinatorialUtils> {
     const accounts = await web3Wrapper.getAvailableAddressesAsync();
     const userAddresses = _.slice(accounts, 0, 5);
     const [ownerAddress, makerAddress, takerAddress] = userAddresses;
@@ -123,7 +123,7 @@ export async function coreCombinatorialUtilsFactoryAsync(
         exchangeContract.address,
     );
 
-    const coreCombinatorialUtils = new CoreCombinatorialUtils(
+    const fillOrderCombinatorialUtils = new FillOrderCombinatorialUtils(
         orderFactory,
         ownerAddress,
         makerAddress,
@@ -133,10 +133,10 @@ export async function coreCombinatorialUtilsFactoryAsync(
         exchangeWrapper,
         assetWrapper,
     );
-    return coreCombinatorialUtils;
+    return fillOrderCombinatorialUtils;
 }
 
-export class CoreCombinatorialUtils {
+export class FillOrderCombinatorialUtils {
     public orderFactory: OrderFactoryFromScenario;
     public ownerAddress: string;
     public makerAddress: string;
@@ -240,7 +240,7 @@ export class CoreCombinatorialUtils {
             // AllowanceAmountScenario.TooLow,
             // AllowanceAmountScenario.Unlimited,
         ];
-        const fillScenarioArrays = CoreCombinatorialUtils._getAllCombinations([
+        const fillScenarioArrays = FillOrderCombinatorialUtils._getAllCombinations([
             takerScenarios,
             feeRecipientScenarios,
             makerAssetAmountScenario,
@@ -309,7 +309,7 @@ export class CoreCombinatorialUtils {
         } else {
             const result = [];
             const restOfArrays = arrays.slice(1);
-            const allCombinationsOfRemaining = CoreCombinatorialUtils._getAllCombinations(restOfArrays); // recur with the rest of array
+            const allCombinationsOfRemaining = FillOrderCombinatorialUtils._getAllCombinations(restOfArrays); // recur with the rest of array
             // tslint:disable:prefer-for-of
             for (let i = 0; i < allCombinationsOfRemaining.length; i++) {
                 for (let j = 0; j < arrays[0].length; j++) {
diff --git a/packages/contracts/test/utils/test_with_reference.ts b/packages/contracts/test/utils/test_with_reference.ts
new file mode 100644
index 000000000..599b1eed4
--- /dev/null
+++ b/packages/contracts/test/utils/test_with_reference.ts
@@ -0,0 +1,119 @@
+import * as chai from 'chai';
+import * as _ from 'lodash';
+
+import { chaiSetup } from './chai_setup';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+export async function testWithReferenceFuncAsync<P0, R>(
+    referenceFunc: (p0: P0) => Promise<R>,
+    testFunc: (p0: P0) => Promise<R>,
+    values: [P0],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, R>(
+    referenceFunc: (p0: P0, p1: P1) => Promise<R>,
+    testFunc: (p0: P0, p1: P1) => Promise<R>,
+    values: [P0, P1],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, R>(
+    referenceFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2) => Promise<R>,
+    values: [P0, P1, P2],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, P3, R>(
+    referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2, p3: P3) => Promise<R>,
+    values: [P0, P1, P2, P3],
+): Promise<void>;
+export async function testWithReferenceFuncAsync<P0, P1, P2, P3, P4, R>(
+    referenceFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+    testFunc: (p0: P0, p1: P1, p2: P2, p3: P3, p4: P4) => Promise<R>,
+    values: [P0, P1, P2, P3, P4],
+): Promise<void>;
+
+/**
+ * Tests the behavior of a test function by comparing it to the expected
+ * behavior (defined by a reference function).
+ *
+ * First the reference function will be called to obtain an "expected result",
+ * or if the reference function throws/rejects, an "expected error". Next, the
+ * test function will be called to obtain an "actual result", or if the test
+ * function throws/rejects, an "actual error". The test passes if at least one
+ * of the following conditions is met:
+ *
+ * 1) Neither the reference function or the test function throw and the
+ * "expected result" equals the "actual result".
+ *
+ * 2) Both the reference function and the test function throw and the "actual
+ * error" message *contains* the "expected error" message.
+ *
+ * @param referenceFuncAsync a reference function implemented in pure
+ * JavaScript/TypeScript which accepts N arguments and returns the "expected
+ * result" or throws/rejects with the "expected error".
+ * @param testFuncAsync a test function which, e.g., makes a call or sends a
+ * transaction to a contract. It accepts the same N arguments returns the
+ * "actual result" or throws/rejects with the "actual error".
+ * @param values an array of N values, where each value corresponds in-order to
+ * an argument to both the test function and the reference function.
+ * @return A Promise that resolves if the test passes and rejects if the test
+ * fails, according to the rules described above.
+ */
+export async function testWithReferenceFuncAsync(
+    referenceFuncAsync: (...args: any[]) => Promise<any>,
+    testFuncAsync: (...args: any[]) => Promise<any>,
+    values: any[],
+): Promise<void> {
+    let expectedResult: any;
+    let expectedErr: string | undefined;
+    try {
+        expectedResult = await referenceFuncAsync(...values);
+    } catch (e) {
+        expectedErr = e.message;
+    }
+    let actualResult: any | undefined;
+    try {
+        actualResult = await testFuncAsync(...values);
+        if (!_.isUndefined(expectedErr)) {
+            throw new Error(
+                `Expected error containing ${expectedErr} but got no error\n\tTest case: ${_getTestCaseString(
+                    referenceFuncAsync,
+                    values,
+                )}`,
+            );
+        }
+    } catch (e) {
+        if (_.isUndefined(expectedErr)) {
+            throw new Error(`${e.message}\n\tTest case: ${_getTestCaseString(referenceFuncAsync, values)}`);
+        } else {
+            expect(e.message).to.contain(
+                expectedErr,
+                `${e.message}\n\tTest case: ${_getTestCaseString(referenceFuncAsync, values)}`,
+            );
+        }
+    }
+    if (!_.isUndefined(actualResult) && !_.isUndefined(expectedResult)) {
+        expect(actualResult).to.deep.equal(
+            expectedResult,
+            `Test case: ${_getTestCaseString(referenceFuncAsync, values)}`,
+        );
+    }
+}
+
+function _getTestCaseString(referenceFuncAsync: (...args: any[]) => Promise<any>, values: any[]): string {
+    const paramNames = _getParameterNames(referenceFuncAsync);
+    return JSON.stringify(_.zipObject(paramNames, values));
+}
+
+// Source: https://stackoverflow.com/questions/1007981/how-to-get-function-parameter-names-values-dynamically
+function _getParameterNames(func: (...args: any[]) => any): string[] {
+    return _.toString(func)
+        .replace(/[/][/].*$/gm, '') // strip single-line comments
+        .replace(/\s+/g, '') // strip white space
+        .replace(/[/][*][^/*]*[*][/]/g, '') // strip multi-line comments
+        .split('){', 1)[0]
+        .replace(/^[^(]*[(]/, '') // extract the parameters
+        .replace(/=[^,]+/g, '') // strip any ES6 defaults
+        .split(',')
+        .filter(Boolean); // split & filter [""]
+}
diff --git a/packages/fill-scenarios/CHANGELOG.json b/packages/fill-scenarios/CHANGELOG.json
index 954803462..04e076203 100644
--- a/packages/fill-scenarios/CHANGELOG.json
+++ b/packages/fill-scenarios/CHANGELOG.json
@@ -1,5 +1,15 @@
 [
     {
+        "version": "1.0.1-rc.3",
+        "changes": [
+            {
+                "note":
+                    "Updated to use latest orderFactory interface, fixed `feeRecipient` spelling error in public interface",
+                "pr": 936
+            }
+        ]
+    },
+    {
         "version": "1.0.1-rc.2",
         "changes": [
             {
diff --git a/packages/fill-scenarios/src/fill_scenarios.ts b/packages/fill-scenarios/src/fill_scenarios.ts
index 8f2766e24..1a1adb326 100644
--- a/packages/fill-scenarios/src/fill_scenarios.ts
+++ b/packages/fill-scenarios/src/fill_scenarios.ts
@@ -61,7 +61,7 @@ export class FillScenarios {
         makerAddress: string,
         takerAddress: string,
         fillableAmount: BigNumber,
-        feeRecepientAddress: string,
+        feeRecipientAddress: string,
         expirationTimeSeconds?: BigNumber,
     ): Promise<SignedOrder> {
         return this._createAsymmetricFillableSignedOrderWithFeesAsync(
@@ -73,7 +73,7 @@ export class FillScenarios {
             takerAddress,
             fillableAmount,
             fillableAmount,
-            feeRecepientAddress,
+            feeRecipientAddress,
             expirationTimeSeconds,
         );
     }
@@ -88,7 +88,7 @@ export class FillScenarios {
     ): Promise<SignedOrder> {
         const makerFee = new BigNumber(0);
         const takerFee = new BigNumber(0);
-        const feeRecepientAddress = constants.NULL_ADDRESS;
+        const feeRecipientAddress = constants.NULL_ADDRESS;
         return this._createAsymmetricFillableSignedOrderWithFeesAsync(
             makerAssetData,
             takerAssetData,
@@ -98,7 +98,7 @@ export class FillScenarios {
             takerAddress,
             makerFillableAmount,
             takerFillableAmount,
-            feeRecepientAddress,
+            feeRecipientAddress,
             expirationTimeSeconds,
         );
     }
@@ -148,7 +148,7 @@ export class FillScenarios {
         takerAddress: string,
         makerFillableAmount: BigNumber,
         takerFillableAmount: BigNumber,
-        feeRecepientAddress: string,
+        feeRecipientAddress: string,
         expirationTimeSeconds?: BigNumber,
     ): Promise<SignedOrder> {
         const decodedMakerAssetData = assetDataUtils.decodeAssetDataOrThrow(makerAssetData);
@@ -194,17 +194,19 @@ export class FillScenarios {
         const signedOrder = await orderFactory.createSignedOrderAsync(
             this._web3Wrapper.getProvider(),
             makerAddress,
-            takerAddress,
-            senderAddress,
-            makerFee,
-            takerFee,
             makerFillableAmount,
             makerAssetData,
             takerFillableAmount,
             takerAssetData,
             this._exchangeAddress,
-            feeRecepientAddress,
-            expirationTimeSeconds,
+            {
+                takerAddress,
+                senderAddress,
+                makerFee,
+                takerFee,
+                feeRecipientAddress,
+                expirationTimeSeconds,
+            },
         );
         return signedOrder;
     }
diff --git a/packages/json-schemas/CHANGELOG.json b/packages/json-schemas/CHANGELOG.json
index d4557d872..6017b2f2b 100644
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@@ -1,9 +1,14 @@
 [
     {
-        "version": "2.0.0",
+        "version": "1.0.1-rc.4",
         "changes": [
             {
-                "note": "Upgrade Relayer API schemas for relayer API V1"
+                "note": "Change hexSchema to match `0x`",
+                "pr": 937
+            },
+            {
+                "note": "Upgrade Relayer API schemas for relayer API V2",
+                "pr": 916
             }
         ]
     },
diff --git a/packages/json-schemas/schemas/basic_type_schemas.ts b/packages/json-schemas/schemas/basic_type_schemas.ts
index 031383a11..a59afaef8 100644
--- a/packages/json-schemas/schemas/basic_type_schemas.ts
+++ b/packages/json-schemas/schemas/basic_type_schemas.ts
@@ -7,7 +7,7 @@ export const addressSchema = {
 export const hexSchema = {
     id: '/hexSchema',
     type: 'string',
-    pattern: '^0x([0-9a-f][0-9a-f])+$',
+    pattern: '^0x(([0-9a-f][0-9a-f])+)?$',
 };
 
 export const numberSchema = {
diff --git a/packages/json-schemas/test/schema_test.ts b/packages/json-schemas/test/schema_test.ts
index ebce30e59..01fa53045 100644
--- a/packages/json-schemas/test/schema_test.ts
+++ b/packages/json-schemas/test/schema_test.ts
@@ -96,7 +96,7 @@ describe('Schema', () => {
             validateAgainstSchema(testCases, hexSchema);
         });
         it('should fail for invalid hex string', () => {
-            const testCases = ['0x', '0', '0xzzzzzzB11a196601eD2ce54B665CaFEca0347D42'];
+            const testCases = ['0', '0xzzzzzzB11a196601eD2ce54B665CaFEca0347D42'];
             const shouldFail = true;
             validateAgainstSchema(testCases, hexSchema, shouldFail);
         });
diff --git a/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json b/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json
index 80751855b..f00f47779 100644
--- a/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json
+++ b/packages/migrations/artifacts/2.0.0/AssetProxyOwner.json
@@ -44468,11 +44468,5 @@
 			}
 		}
 	},
-	"networks": {
-		"50": {
-			"address": "0x34d402f14d58e001d8efbe6585051bf9706aa064",
-			"links": {},
-			"constructorArgs": "[[\"0x5409ed021d9299bf6814279a6a1411a7e866a631\",\"0x6ecbe1db9ef729cbe972c83fb886247691fb6beb\"],[\"0x1dc4c1cefef38a777b15aa20260a54e584b16c48\",\"0x1d7022f5b17d2f8b695918fb48fa1089c9f85401\"],\"2\",\"0\"]"
-		}
-	}
+	"networks": {}
 }
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/ERC20Proxy.json b/packages/migrations/artifacts/2.0.0/ERC20Proxy.json
index ed755fbed..82175bfb4 100644
--- a/packages/migrations/artifacts/2.0.0/ERC20Proxy.json
+++ b/packages/migrations/artifacts/2.0.0/ERC20Proxy.json
@@ -252,11 +252,5 @@
 			}
 		}
 	},
-	"networks": {
-		"50": {
-			"address": "0x1dc4c1cefef38a777b15aa20260a54e584b16c48",
-			"links": {},
-			"constructorArgs": "[]"
-		}
-	}
+	"networks": {}
 }
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/ERC721Proxy.json b/packages/migrations/artifacts/2.0.0/ERC721Proxy.json
index 8421a6499..50a2c176b 100644
--- a/packages/migrations/artifacts/2.0.0/ERC721Proxy.json
+++ b/packages/migrations/artifacts/2.0.0/ERC721Proxy.json
@@ -252,11 +252,5 @@
 			}
 		}
 	},
-	"networks": {
-		"50": {
-			"address": "0x1d7022f5b17d2f8b695918fb48fa1089c9f85401",
-			"links": {},
-			"constructorArgs": "[]"
-		}
-	}
+	"networks": {}
 }
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/ERC721Token.json b/packages/migrations/artifacts/2.0.0/ERC721Token.json
deleted file mode 100644
index 5597bc0ed..000000000
--- a/packages/migrations/artifacts/2.0.0/ERC721Token.json
+++ /dev/null
@@ -1,379 +0,0 @@
-{
-	"schemaVersion": "2.0.0",
-	"contractName": "ERC721Token",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "name",
-				"outputs": [
-					{
-						"name": "",
-						"type": "string"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "_tokenId",
-						"type": "uint256"
-					}
-				],
-				"name": "getApproved",
-				"outputs": [
-					{
-						"name": "",
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PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x195 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x482 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x5C0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x6A3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x236 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x242 PUSH1 0x4 CALLDATALOAD PUSH2 0x6DB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x160 PUSH1 0x4 CALLDATALOAD PUSH2 0x705 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x27A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x29C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x73C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xD3 PUSH2 0x789 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2CF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0x807 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x302 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x64 CALLDATALOAD PUSH1 0x4 DUP2 DUP2 ADD CALLDATALOAD SWAP3 DUP4 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP2 DUP5 MSTORE PUSH2 0x1BA SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 CALLDATALOAD DUP2 AND SWAP6 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP3 AND SWAP6 PUSH1 0x44 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 PUSH1 0x84 SWAP5 ADD SWAP2 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x8C3 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x242 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x902 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x450 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x425 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x450 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x433 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x48D DUP3 PUSH2 0x705 JUMP JUMPDEST SWAP1 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 DUP2 AND SWAP1 DUP3 AND EQ ISZERO PUSH2 0x4B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x4DE JUMPI POP PUSH2 0x4DE DUP2 CALLER PUSH2 0x902 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x4E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4F4 DUP4 PUSH2 0x45A JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO DUP1 PUSH2 0x52C JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO JUMPDEST ISZERO PUSH2 0x5BB JUMPI PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP1 SWAP4 SWAP2 DUP6 AND SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 JUMPDEST POP POP POP JUMP JUMPDEST DUP1 PUSH2 0x5CB CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x5D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND ISZERO ISZERO PUSH2 0x5F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x61A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x624 DUP5 DUP4 PUSH2 0x9D0 JUMP JUMPDEST PUSH2 0x62E DUP5 DUP4 PUSH2 0xABD JUMP JUMPDEST PUSH2 0x638 DUP4 DUP4 PUSH2 0xB8C JUMP JUMPDEST DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP POP JUMP JUMPDEST DUP1 PUSH2 0x6AE CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x6B9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x6D5 DUP5 DUP5 DUP5 PUSH1 0x20 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE POP PUSH2 0x8C3 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x736 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0x760 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x450 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x425 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x450 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND CALLER EQ ISZERO PUSH2 0x82A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST DUP2 PUSH2 0x8CE CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x8D9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x8E4 DUP6 DUP6 DUP6 PUSH2 0x5C0 JUMP JUMPDEST PUSH2 0x8F0 DUP6 DUP6 DUP6 DUP6 PUSH2 0xC4F JUMP JUMPDEST ISZERO ISZERO PUSH2 0x8FB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x949 DUP4 PUSH2 0x705 JUMP JUMPDEST SWAP1 POP DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x9B8 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x9A0 DUP5 PUSH2 0x45A JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST DUP1 PUSH2 0x9C8 JUMPI POP PUSH2 0x9C8 DUP2 DUP6 PUSH2 0x902 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x9F0 DUP3 PUSH2 0x705 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xA10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0xAB9 JUMPI PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 JUMPDEST POP POP JUMP JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0xADD DUP3 PUSH2 0x705 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xAFD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xB2E SWAP1 PUSH1 0x1 PUSH2 0xDF6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP2 DUP2 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0xBBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP4 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0xC22 SWAP1 PUSH1 0x1 PUSH2 0xE6D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SWAP2 SWAP1 SWAP2 SSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xC5B DUP6 PUSH2 0xEE8 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xC6A JUMPI PUSH1 0x1 SWAP2 POP PUSH2 0xDED JUMP JUMPDEST DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xF0B9E5BA DUP8 DUP7 DUP7 PUSH1 0x40 MLOAD DUP5 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xD29 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xD11 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0xD56 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP5 POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xD77 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xD8B JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xDA1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xF0B9E5BA00000000000000000000000000000000000000000000000000000000 EQ SWAP3 POP SWAP1 POP JUMPDEST POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xE67 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xEE1 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP1 EXTCODESIZE GT SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xaa 0xce 0xc7 GASLIMIT PUSH18 0xAD3FDADC48934E85686B1DE73BC8471F19F1 SWAP6 0xa6 PUSH4 0x97983622 0xee 0xd9 STOP 0x29 ",
-				"sourceMap": "1506:12636:0:-;;;2797:136;8:9:-1;5:2;;;30:1;27;20:12;5:2;2797:136:0;;;;;;;;;;;;;;;;;;;;;;;;2886:13;;2797:136;;;;;;;2886:13;;:5;;:13;;;;;:::i;:::-;-1:-1:-1;2909:17:0;;;;:7;;:17;;;;;:::i;:::-;;2797:136;;1506:12636;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;1506:12636:0;;;-1:-1:-1;1506:12636:0;:::i;:::-;;;:::o;:::-;;;;;;;;;;;;;;;;;;;;:::o;:::-;;;;;;;"
-			},
-			"deployedBytecode": {
-				"linkReferences": {},
-				"object": 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-				"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0xB9 JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x6FDDE03 DUP2 EQ PUSH2 0xBE JUMPI DUP1 PUSH4 0x81812FC EQ PUSH2 0x148 JUMPI DUP1 PUSH4 0x95EA7B3 EQ PUSH2 0x189 JUMPI DUP1 PUSH4 0x23B872DD EQ PUSH2 0x1BC JUMPI DUP1 PUSH4 0x42842E0E EQ PUSH2 0x1F3 JUMPI DUP1 PUSH4 0x4F558E79 EQ PUSH2 0x22A JUMPI DUP1 PUSH4 0x6352211E EQ PUSH2 0x256 JUMPI DUP1 PUSH4 0x70A08231 EQ PUSH2 0x26E JUMPI DUP1 PUSH4 0x95D89B41 EQ PUSH2 0x2AE JUMPI DUP1 PUSH4 0xA22CB465 EQ PUSH2 0x2C3 JUMPI DUP1 PUSH4 0xB88D4FDE EQ PUSH2 0x2F6 JUMPI DUP1 PUSH4 0xE985E9C5 EQ PUSH2 0x372 JUMPI JUMPDEST PUSH1 0x0 DUP1 REVERT JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0xCA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xD3 PUSH2 0x3A6 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x10D JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xF5 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x13A JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x154 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x160 PUSH1 0x4 CALLDATALOAD PUSH2 0x45A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x195 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD PUSH2 0x482 JUMP JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1C8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x5C0 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH1 0x44 CALLDATALOAD PUSH2 0x6A3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x236 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x242 PUSH1 0x4 CALLDATALOAD PUSH2 0x6DB JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x262 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x160 PUSH1 0x4 CALLDATALOAD PUSH2 0x705 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x27A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x29C PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x73C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2BA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0xD3 PUSH2 0x789 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2CF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1BA PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0x807 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x302 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x64 CALLDATALOAD PUSH1 0x4 DUP2 DUP2 ADD CALLDATALOAD SWAP3 DUP4 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP2 DUP5 MSTORE PUSH2 0x1BA SWAP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 CALLDATALOAD DUP2 AND SWAP6 PUSH1 0x24 DUP1 CALLDATALOAD SWAP1 SWAP3 AND SWAP6 PUSH1 0x44 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 PUSH1 0x84 SWAP5 ADD SWAP2 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x8C3 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x37E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x242 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x902 JUMP JUMPDEST PUSH1 0x0 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 PUSH1 0x1 DUP9 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x450 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x425 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x450 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x433 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP SWAP1 POP SWAP1 JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x48D DUP3 PUSH2 0x705 JUMP JUMPDEST SWAP1 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 DUP2 AND SWAP1 DUP3 AND EQ ISZERO PUSH2 0x4B5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND EQ DUP1 PUSH2 0x4DE JUMPI POP PUSH2 0x4DE DUP2 CALLER PUSH2 0x902 JUMP JUMPDEST ISZERO ISZERO PUSH2 0x4E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 PUSH2 0x4F4 DUP4 PUSH2 0x45A JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO DUP1 PUSH2 0x52C JUMPI POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO JUMPDEST ISZERO PUSH2 0x5BB JUMPI PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 DUP2 AND SWAP2 DUP3 OR SWAP1 SWAP3 SSTORE DUP4 MLOAD DUP7 DUP2 MSTORE SWAP4 MLOAD SWAP1 SWAP4 SWAP2 DUP6 AND SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 JUMPDEST POP POP POP JUMP JUMPDEST DUP1 PUSH2 0x5CB CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x5D6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND ISZERO ISZERO PUSH2 0x5F8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND ISZERO ISZERO PUSH2 0x61A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x624 DUP5 DUP4 PUSH2 0x9D0 JUMP JUMPDEST PUSH2 0x62E DUP5 DUP4 PUSH2 0xABD JUMP JUMPDEST PUSH2 0x638 DUP4 DUP4 PUSH2 0xB8C JUMP JUMPDEST DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH32 0xDDF252AD1BE2C89B69C2B068FC378DAA952BA7F163C4A11628F55A4DF523B3EF DUP5 PUSH1 0x40 MLOAD DUP1 DUP3 DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 LOG3 POP POP POP POP JUMP JUMPDEST DUP1 PUSH2 0x6AE CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x6B9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x6D5 DUP5 DUP5 DUP5 PUSH1 0x20 PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 DUP2 MSTORE POP PUSH2 0x8C3 JUMP JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP1 ISZERO ISZERO PUSH2 0x736 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND ISZERO ISZERO PUSH2 0x760 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD SWAP1 JUMP JUMPDEST PUSH1 0x1 DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1F PUSH1 0x2 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH2 0x100 DUP8 DUP10 AND ISZERO MUL ADD SWAP1 SWAP6 AND SWAP5 SWAP1 SWAP5 DIV SWAP4 DUP5 ADD DUP2 SWAP1 DIV DUP2 MUL DUP3 ADD DUP2 ADD SWAP1 SWAP3 MSTORE DUP3 DUP2 MSTORE PUSH1 0x60 SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x450 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x425 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x450 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND CALLER EQ ISZERO PUSH2 0x82A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND DUP1 DUP6 MSTORE SWAP1 DUP4 MSTORE SWAP3 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND DUP7 ISZERO ISZERO SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 MLOAD SWAP1 DUP2 MSTORE SWAP1 MLOAD SWAP3 SWAP4 SWAP3 PUSH32 0x17307EAB39AB6107E8899845AD3D59BD9653F200F220920489CA2B5937696C31 SWAP3 SWAP2 DUP2 SWAP1 SUB SWAP1 SWAP2 ADD SWAP1 LOG3 POP POP JUMP JUMPDEST DUP2 PUSH2 0x8CE CALLER DUP3 PUSH2 0x93D JUMP JUMPDEST ISZERO ISZERO PUSH2 0x8D9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x8E4 DUP6 DUP6 DUP6 PUSH2 0x5C0 JUMP JUMPDEST PUSH2 0x8F0 DUP6 DUP6 DUP6 DUP6 PUSH2 0xC4F JUMP JUMPDEST ISZERO ISZERO PUSH2 0x8FB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x5 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP4 SWAP1 SWAP5 AND DUP3 MSTORE SWAP2 SWAP1 SWAP2 MSTORE KECCAK256 SLOAD PUSH1 0xFF AND SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0x949 DUP4 PUSH2 0x705 JUMP JUMPDEST SWAP1 POP DUP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ DUP1 PUSH2 0x9B8 JUMPI POP DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x9A0 DUP5 PUSH2 0x45A JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ JUMPDEST DUP1 PUSH2 0x9C8 JUMPI POP PUSH2 0x9C8 DUP2 DUP6 PUSH2 0x902 JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0x9F0 DUP3 PUSH2 0x705 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xA10 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0xAB9 JUMPI PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x3 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP7 AND SWAP3 PUSH32 0x8C5BE1E5EBEC7D5BD14F71427D1E84F3DD0314C0F7B2291E5B200AC8C7C3B925 SWAP3 DUP3 SWAP1 SUB ADD SWAP1 LOG3 JUMPDEST POP POP JUMP JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH2 0xADD DUP3 PUSH2 0x705 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ PUSH2 0xAFD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH2 0xB2E SWAP1 PUSH1 0x1 PUSH2 0xDF6 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 SWAP5 SWAP1 SWAP5 SSTORE SWAP2 DUP2 MSTORE PUSH1 0x2 SWAP1 SWAP2 MSTORE KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP1 SSTORE JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO PUSH2 0xBBB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP8 AND SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP4 MSTORE PUSH1 0x4 SWAP1 SWAP2 MSTORE SWAP1 KECCAK256 SLOAD PUSH2 0xC22 SWAP1 PUSH1 0x1 PUSH2 0xE6D JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x4 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SWAP2 SWAP1 SWAP2 SSTORE POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH2 0xC5B DUP6 PUSH2 0xEE8 JUMP JUMPDEST ISZERO ISZERO PUSH2 0xC6A JUMPI PUSH1 0x1 SWAP2 POP PUSH2 0xDED JUMP JUMPDEST DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH4 0xF0B9E5BA DUP8 DUP7 DUP7 PUSH1 0x40 MLOAD DUP5 PUSH4 0xFFFFFFFF AND PUSH29 0x100000000000000000000000000000000000000000000000000000000 MUL DUP2 MSTORE PUSH1 0x4 ADD DUP1 DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP4 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0xD29 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0xD11 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0xD56 JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP5 POP POP POP POP POP PUSH1 0x20 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0xD77 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0xD8B JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP PUSH1 0x40 MLOAD RETURNDATASIZE PUSH1 0x20 DUP2 LT ISZERO PUSH2 0xDA1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xF0B9E5BA00000000000000000000000000000000000000000000000000000000 EQ SWAP3 POP SWAP1 POP JUMPDEST POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 GT ISZERO PUSH2 0xE67 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x11 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F554E444552464C4F57000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST POP SWAP1 SUB SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP3 DUP3 ADD DUP4 DUP2 LT ISZERO PUSH2 0xEE1 JUMPI PUSH1 0x40 DUP1 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x20 PUSH1 0x4 DUP3 ADD MSTORE PUSH1 0x10 PUSH1 0x24 DUP3 ADD MSTORE PUSH32 0x55494E543235365F4F564552464C4F5700000000000000000000000000000000 PUSH1 0x44 DUP3 ADD MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x64 ADD SWAP1 REVERT JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 SWAP1 EXTCODESIZE GT SWAP1 JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xaa 0xce 0xc7 GASLIMIT PUSH18 0xAD3FDADC48934E85686B1DE73BC8471F19F1 SWAP6 0xa6 PUSH4 0x97983622 0xee 0xd9 STOP 0x29 ",
-				"sourceMap": 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-			}
-		}
-	},
-	"sources": {
-		"2.0.0/tokens/ERC721Token/ERC721Token.sol": {
-			"id": 0
-		},
-		"2.0.0/tokens/ERC721Token/IERC721Receiver.sol": {
-			"id": 1
-		},
-		"2.0.0/tokens/ERC721Token/IERC721Token.sol": {
-			"id": 2
-		},
-		"2.0.0/utils/SafeMath/SafeMath.sol": {
-			"id": 3
-		}
-	},
-	"sourceCodes": {
-		"2.0.0/tokens/ERC721Token/ERC721Token.sol": "/*\nThe MIT License (MIT)\n\nCopyright (c) 2016 Smart Contract Solutions, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining\na copy of this software and associated documentation files (the\n\"Software\"), to deal in the Software without restriction, including\nwithout limitation the rights to use, copy, modify, merge, publish,\ndistribute, sublicense, and/or sell copies of the Software, and to\npermit persons to whom the Software is furnished to do so, subject to\nthe following conditions:\n\nThe above copyright notice and this permission notice shall be included\nin all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\nOR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\nMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\nIN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\nCLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\nTORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\nSOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n*/\n\npragma solidity 0.4.24;\n\nimport \"./IERC721Token.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"../../utils/SafeMath/SafeMath.sol\";\n\n\n/**\n * @title ERC721 Non-Fungible Token Standard basic implementation\n * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md\n * Modified from https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/ERC721/ERC721BasicToken.sol\n */\ncontract ERC721Token is\n    IERC721Token,\n    SafeMath\n{\n    // Equals to `bytes4(keccak256(\"onERC721Received(address,uint256,bytes)\"))`\n    // which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`\n    bytes4 constant internal ERC721_RECEIVED = 0xf0b9e5ba;\n\n    // Mapping from token ID to owner\n    mapping (uint256 => address) internal tokenOwner;\n\n    // Mapping from token ID to approved address\n    mapping (uint256 => address) internal tokenApprovals;\n\n    // Mapping from owner to number of owned token\n    mapping (address => uint256) internal ownedTokensCount;\n\n    // Mapping from owner to operator approvals\n    mapping (address => mapping (address => bool)) internal operatorApprovals;\n\n    /**\n    * @dev Guarantees msg.sender is owner of the given token\n    * @param _tokenId uint256 ID of the token to validate its ownership belongs to msg.sender\n    */\n    modifier onlyOwnerOf(uint256 _tokenId) {\n        require(ownerOf(_tokenId) == msg.sender);\n        _;\n    }\n\n    /**\n    * @dev Checks msg.sender can transfer a token, by being owner, approved, or operator\n    * @param _tokenId uint256 ID of the token to validate\n    */\n    modifier canTransfer(uint256 _tokenId) {\n        require(isApprovedOrOwner(msg.sender, _tokenId));\n        _;\n    }\n\n    constructor (\n        string _name,\n        string _symbol)\n        public\n    {\n        name_ = _name;\n        symbol_ = _symbol;\n    }\n\n    /**\n    * @dev Gets the token name\n    * @return string representing the token name\n    */\n    function name()\n        public\n        view\n        returns (string)\n    {\n        return name_;\n    }\n\n    /**\n    * @dev Gets the token symbol\n    * @return string representing the token symbol\n    */\n    function symbol()\n        public\n        view\n        returns (string)\n    {\n        return symbol_;\n    }\n\n    /**\n    * @dev Gets the balance of the specified address\n    * @param _owner address to query the balance of\n    * @return uint256 representing the amount owned by the passed address\n    */\n    function balanceOf(address _owner)\n        public\n        view\n        returns (uint256)\n    {\n        require(_owner != address(0));\n        return ownedTokensCount[_owner];\n    }\n\n    /**\n    * @dev Gets the owner of the specified token ID\n    * @param _tokenId uint256 ID of the token to query the owner of\n    * @return owner address currently marked as the owner of the given token ID\n    */\n    function ownerOf(uint256 _tokenId)\n        public\n        view\n        returns (address)\n    {\n        address owner = tokenOwner[_tokenId];\n        require(owner != address(0));\n        return owner;\n    }\n\n    /**\n    * @dev Returns whether the specified token exists\n    * @param _tokenId uint256 ID of the token to query the existance of\n    * @return whether the token exists\n    */\n    function exists(uint256 _tokenId)\n        public\n        view\n        returns (bool)\n    {\n        address owner = tokenOwner[_tokenId];\n        return owner != address(0);\n    }\n\n    /**\n    * @dev Approves another address to transfer the given token ID\n    * @dev The zero address indicates there is no approved address.\n    * @dev There can only be one approved address per token at a given time.\n    * @dev Can only be called by the token owner or an approved operator.\n    * @param _to address to be approved for the given token ID\n    * @param _tokenId uint256 ID of the token to be approved\n    */\n    function approve(address _to, uint256 _tokenId)\n        public\n    {\n        address owner = ownerOf(_tokenId);\n        require(_to != owner);\n        require(msg.sender == owner || isApprovedForAll(owner, msg.sender));\n\n        if (getApproved(_tokenId) != address(0) || _to != address(0)) {\n            tokenApprovals[_tokenId] = _to;\n            emit Approval(owner, _to, _tokenId);\n        }\n    }\n\n    /**\n    * @dev Gets the approved address for a token ID, or zero if no address set\n    * @param _tokenId uint256 ID of the token to query the approval of\n    * @return address currently approved for a the given token ID\n    */\n    function getApproved(uint256 _tokenId)\n        public\n        view\n        returns (address)\n    {\n        return tokenApprovals[_tokenId];\n    }\n\n    /**\n    * @dev Sets or unsets the approval of a given operator\n    * @dev An operator is allowed to transfer all tokens of the sender on their behalf\n    * @param _to operator address to set the approval\n    * @param _approved representing the status of the approval to be set\n    */\n    function setApprovalForAll(address _to, bool _approved)\n        public\n    {\n        require(_to != msg.sender);\n        operatorApprovals[msg.sender][_to] = _approved;\n        emit ApprovalForAll(msg.sender, _to, _approved);\n    }\n\n    /**\n    * @dev Tells whether an operator is approved by a given owner\n    * @param _owner owner address which you want to query the approval of\n    * @param _operator operator address which you want to query the approval of\n    * @return bool whether the given operator is approved by the given owner\n    */\n    function isApprovedForAll(address _owner, address _operator)\n        public\n        view\n        returns (bool)\n    {\n        return operatorApprovals[_owner][_operator];\n    }\n\n    /**\n    * @dev Transfers the ownership of a given token ID to another address\n    * @dev Usage of this method is discouraged, use `safeTransferFrom` whenever possible\n    * @dev Requires the msg sender to be the owner, approved, or operator\n    * @param _from current owner of the token\n    * @param _to address to receive the ownership of the given token ID\n    * @param _tokenId uint256 ID of the token to be transferred\n    */\n    function transferFrom(address _from, address _to, uint256 _tokenId)\n        public\n        canTransfer(_tokenId)\n    {\n        require(_from != address(0));\n        require(_to != address(0));\n\n        clearApproval(_from, _tokenId);\n        removeTokenFrom(_from, _tokenId);\n        addTokenTo(_to, _tokenId);\n\n        emit Transfer(_from, _to, _tokenId);\n    }\n\n    /**\n    * @dev Safely transfers the ownership of a given token ID to another address\n    * @dev If the target address is a contract, it must implement `onERC721Received`,\n    *  which is called upon a safe transfer, and return the magic value\n    *  `bytes4(keccak256(\"onERC721Received(address,uint256,bytes)\"))`; otherwise,\n    *  the transfer is reverted.\n    * @dev Requires the msg sender to be the owner, approved, or operator\n    * @param _from current owner of the token\n    * @param _to address to receive the ownership of the given token ID\n    * @param _tokenId uint256 ID of the token to be transferred\n    */\n    function safeTransferFrom(\n        address _from,\n        address _to,\n        uint256 _tokenId)\n        public\n        canTransfer(_tokenId)\n    {\n        // solium-disable-next-line arg-overflow\n        safeTransferFrom(_from, _to, _tokenId, \"\");\n    }\n\n    /**\n    * @dev Safely transfers the ownership of a given token ID to another address\n    * @dev If the target address is a contract, it must implement `onERC721Received`,\n    *  which is called upon a safe transfer, and return the magic value\n    *  `bytes4(keccak256(\"onERC721Received(address,uint256,bytes)\"))`; otherwise,\n    *  the transfer is reverted.\n    * @dev Requires the msg sender to be the owner, approved, or operator\n    * @param _from current owner of the token\n    * @param _to address to receive the ownership of the given token ID\n    * @param _tokenId uint256 ID of the token to be transferred\n    * @param _data bytes data to send along with a safe transfer check\n    */\n    function safeTransferFrom(\n        address _from,\n        address _to,\n        uint256 _tokenId,\n        bytes _data)\n        public\n        canTransfer(_tokenId)\n    {\n        transferFrom(_from, _to, _tokenId);\n        // solium-disable-next-line arg-overflow\n        require(checkAndCallSafeTransfer(_from, _to, _tokenId, _data));\n    }\n\n    /**\n    * @dev Returns whether the given spender can transfer a given token ID\n    * @param _spender address of the spender to query\n    * @param _tokenId uint256 ID of the token to be transferred\n    * @return bool whether the msg.sender is approved for the given token ID,\n    *  is an operator of the owner, or is the owner of the token\n    */\n    function isApprovedOrOwner(address _spender, uint256 _tokenId)\n        internal\n        view\n        returns (bool)\n    {\n        address owner = ownerOf(_tokenId);\n        return _spender == owner || getApproved(_tokenId) == _spender || isApprovedForAll(owner, _spender);\n    }\n\n    /**\n    * @dev Internal function to mint a new token\n    * @dev Reverts if the given token ID already exists\n    * @param _to The address that will own the minted token\n    * @param _tokenId uint256 ID of the token to be minted by the msg.sender\n    */\n    function _mint(address _to, uint256 _tokenId)\n        internal\n    {\n        require(_to != address(0));\n        addTokenTo(_to, _tokenId);\n        emit Transfer(address(0), _to, _tokenId);\n    }\n\n    /**\n    * @dev Internal function to burn a specific token\n    * @dev Reverts if the token does not exist\n    * @param _tokenId uint256 ID of the token being burned by the msg.sender\n    */\n    function _burn(address _owner, uint256 _tokenId)\n        internal\n    {\n        clearApproval(_owner, _tokenId);\n        removeTokenFrom(_owner, _tokenId);\n        emit Transfer(_owner, address(0), _tokenId);\n    }\n\n    /**\n    * @dev Internal function to clear current approval of a given token ID\n    * @dev Reverts if the given address is not indeed the owner of the token\n    * @param _owner owner of the token\n    * @param _tokenId uint256 ID of the token to be transferred\n    */\n    function clearApproval(address _owner, uint256 _tokenId)\n        internal\n    {\n        require(ownerOf(_tokenId) == _owner);\n        if (tokenApprovals[_tokenId] != address(0)) {\n            tokenApprovals[_tokenId] = address(0);\n            emit Approval(_owner, address(0), _tokenId);\n        }\n    }\n\n    /**\n    * @dev Internal function to add a token ID to the list of a given address\n    * @param _to address representing the new owner of the given token ID\n    * @param _tokenId uint256 ID of the token to be added to the tokens list of the given address\n    */\n    function addTokenTo(address _to, uint256 _tokenId)\n        internal\n    {\n        require(tokenOwner[_tokenId] == address(0));\n        tokenOwner[_tokenId] = _to;\n        ownedTokensCount[_to] = safeAdd(ownedTokensCount[_to], 1);\n    }\n\n    /**\n    * @dev Internal function to remove a token ID from the list of a given address\n    * @param _from address representing the previous owner of the given token ID\n    * @param _tokenId uint256 ID of the token to be removed from the tokens list of the given address\n    */\n    function removeTokenFrom(address _from, uint256 _tokenId)\n        internal\n    {\n        require(ownerOf(_tokenId) == _from);\n        ownedTokensCount[_from] = safeSub(ownedTokensCount[_from], 1);\n        tokenOwner[_tokenId] = address(0);\n    }\n\n    /**\n    * @dev Internal function to invoke `onERC721Received` on a target address\n    * @dev The call is not executed if the target address is not a contract\n    * @param _from address representing the previous owner of the given token ID\n    * @param _to target address that will receive the tokens\n    * @param _tokenId uint256 ID of the token to be transferred\n    * @param _data bytes optional data to send along with the call\n    * @return whether the call correctly returned the expected magic value\n    */\n    function checkAndCallSafeTransfer(\n        address _from,\n        address _to,\n        uint256 _tokenId,\n        bytes _data)\n        internal\n        returns (bool)\n    {\n        if (!isContract(_to)) {\n            return true;\n        }\n        bytes4 retval = IERC721Receiver(_to).onERC721Received(_from, _tokenId, _data);\n        return (retval == ERC721_RECEIVED);\n    }\n\n    function isContract(address addr)\n        internal\n        view\n        returns (bool)\n    {\n        uint256 size;\n        // XXX Currently there is no better way to check if there is a contract in an address\n        // than to check the size of the code at that address.\n        // See https://ethereum.stackexchange.com/a/14016/36603\n        // for more details about how this works.\n        // TODO Check this again before the Serenity release, because all addresses will be\n        // contracts then.\n        assembly { size := extcodesize(addr) }  // solium-disable-line security/no-inline-assembly\n        return size > 0;\n    }\n}\n",
-		"2.0.0/tokens/ERC721Token/IERC721Receiver.sol": "/*\nThe MIT License (MIT)\n\nCopyright (c) 2016 Smart Contract Solutions, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining\na copy of this software and associated documentation files (the\n\"Software\"), to deal in the Software without restriction, including\nwithout limitation the rights to use, copy, modify, merge, publish,\ndistribute, sublicense, and/or sell copies of the Software, and to\npermit persons to whom the Software is furnished to do so, subject to\nthe following conditions:\n\nThe above copyright notice and this permission notice shall be included\nin all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\nOR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\nMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\nIN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\nCLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\nTORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\nSOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n*/\n\npragma solidity 0.4.24;\n\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n *      rom ERC721 asset contracts.\n * Modified from https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/ERC721/ERC721Receiver.sol\n */\ncontract IERC721Receiver {\n    /**\n    * @dev Magic value to be returned upon successful reception of an NFT\n    *  Equals to `bytes4(keccak256(\"onERC721Received(address,uint256,bytes)\"))`,\n    *  which can be also obtained as `ERC721Receiver(0).onERC721Received.selector`\n    */\n    bytes4 constant internal ERC721_RECEIVED = 0xf0b9e5ba;\n\n    /**\n    * @notice Handle the receipt of an NFT\n    * @dev The ERC721 smart contract calls this function on the recipient\n    *  after a `safetransfer`. This function MAY throw to revert and reject the\n    *  transfer. This function MUST use 50,000 gas or less. Return of other\n    *  than the magic value MUST result in the transaction being reverted.\n    *  Note: the contract address is always the message sender.\n    * @param _from The sending address\n    * @param _tokenId The NFT identifier which is being transfered\n    * @param _data Additional data with no specified format\n    * @return `bytes4(keccak256(\"onERC721Received(address,uint256,bytes)\"))`\n    */\n    function onERC721Received(\n        address _from,\n        uint256 _tokenId,\n        bytes _data)\n        public\n        returns (bytes4);\n}\n",
-		"2.0.0/tokens/ERC721Token/IERC721Token.sol": "/*\nThe MIT License (MIT)\n\nCopyright (c) 2016 Smart Contract Solutions, Inc.\n\nPermission is hereby granted, free of charge, to any person obtaining\na copy of this software and associated documentation files (the\n\"Software\"), to deal in the Software without restriction, including\nwithout limitation the rights to use, copy, modify, merge, publish,\ndistribute, sublicense, and/or sell copies of the Software, and to\npermit persons to whom the Software is furnished to do so, subject to\nthe following conditions:\n\nThe above copyright notice and this permission notice shall be included\nin all copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\nOR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\nMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\nIN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\nCLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\nTORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\nSOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n*/\n\npragma solidity 0.4.24;\n\n\n/**\n * @title ERC721 Non-Fungible Token Standard basic interface\n * @dev see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-721.md\n * Modified from https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/contracts/token/ERC721/ERC721Basic.sol\n */\ncontract IERC721Token {\n    string internal name_;\n    string internal symbol_;\n\n    event Transfer(\n        address indexed _from,\n        address indexed _to,\n        uint256 _tokenId\n    );\n\n    event Approval(\n        address indexed _owner,\n        address indexed _approved,\n        uint256 _tokenId\n    );\n\n    event ApprovalForAll(\n        address indexed _owner,\n        address indexed _operator,\n        bool _approved\n    );\n\n    function name()\n        public\n        view\n        returns (string);\n\n    function symbol()\n        public\n        view\n        returns (string);\n\n    function balanceOf(address _owner)\n        public\n        view\n        returns (uint256 _balance);\n\n    function ownerOf(uint256 _tokenId)\n        public\n        view\n        returns (address _owner);\n\n    function exists(uint256 _tokenId)\n        public\n        view\n        returns (bool _exists);\n\n    function approve(address _to, uint256 _tokenId)\n        public;\n\n    function getApproved(uint256 _tokenId)\n        public\n        view\n        returns (address _operator);\n\n    function setApprovalForAll(address _operator, bool _approved)\n        public;\n\n    function isApprovedForAll(address _owner, address _operator)\n        public\n        view\n        returns (bool);\n\n    function transferFrom(\n        address _from,\n        address _to,\n        uint256 _tokenId\n    )\n        public;\n\n    function safeTransferFrom(\n        address _from,\n        address _to,\n        uint256 _tokenId\n    )\n        public;\n\n    function safeTransferFrom(\n        address _from,\n        address _to,\n        uint256 _tokenId,\n        bytes _data\n    )\n        public;\n}\n",
-		"2.0.0/utils/SafeMath/SafeMath.sol": "pragma solidity 0.4.24;\n\n\ncontract SafeMath {\n    function safeMul(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        if (a == 0) {\n            return 0;\n        }\n        uint256 c = a * b;\n        require(\n            c / a == b,\n            \"UINT256_OVERFLOW\"\n        );\n        return c;\n    }\n\n    function safeDiv(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        uint256 c = a / b;\n        return c;\n    }\n\n    function safeSub(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        require(\n            b <= a,\n            \"UINT256_UNDERFLOW\"\n        );\n        return a - b;\n    }\n\n    function safeAdd(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        uint256 c = a + b;\n        require(\n            c >= a,\n            \"UINT256_OVERFLOW\"\n        );\n        return c;\n    }\n\n    function max64(uint64 a, uint64 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        return a >= b ? a : b;\n    }\n\n    function min64(uint64 a, uint64 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        return a < b ? a : b;\n    }\n\n    function max256(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        return a >= b ? a : b;\n    }\n\n    function min256(uint256 a, uint256 b)\n        internal\n        pure\n        returns (uint256)\n    {\n        return a < b ? a : b;\n    }\n}\n"
-	},
-	"sourceTreeHashHex": "0x3ec335d79ccc32077f0e27d3f570045c7e8434ce2c2d6bfdff32fce9a578ac57",
-	"compiler": {
-		"name": "solc",
-		"version": "soljson-v0.4.24+commit.e67f0147.js",
-		"settings": {
-			"optimizer": {
-				"enabled": true,
-				"runs": 1000000
-			},
-			"outputSelection": {
-				"*": {
-					"*": [
-						"abi",
-						"evm.bytecode.object",
-						"evm.bytecode.sourceMap",
-						"evm.deployedBytecode.object",
-						"evm.deployedBytecode.sourceMap"
-					]
-				}
-			}
-		}
-	},
-	"networks": {}
-}
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/Exchange.json b/packages/migrations/artifacts/2.0.0/Exchange.json
index 690f4ba9e..ce7a0e4c7 100644
--- a/packages/migrations/artifacts/2.0.0/Exchange.json
+++ b/packages/migrations/artifacts/2.0.0/Exchange.json
@@ -2229,11 +2229,5 @@
 			}
 		}
 	},
-	"networks": {
-		"50": {
-			"address": "0x48bacb9266a570d521063ef5dd96e61686dbe788",
-			"links": {},
-			"constructorArgs": "[\"0xf47261b0000000000000000000000000871dd7c2b4b25e1aa18728e9d5f2af4c4e431f5c\"]"
-		}
-	}
-}
\ No newline at end of file
+	"networks": {}
+}
diff --git a/packages/migrations/artifacts/2.0.0/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.json b/packages/migrations/artifacts/2.0.0/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.json
deleted file mode 100644
index 688b984da..000000000
--- a/packages/migrations/artifacts/2.0.0/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.json
+++ /dev/null
@@ -1,723 +0,0 @@
-{
-	"schemaVersion": "2.0.0",
-	"contractName": "MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "",
-						"type": "uint256"
-					}
-				],
-				"name": "owners",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "owner",
-						"type": "address"
-					}
-				],
-				"name": "removeOwner",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "transactionId",
-						"type": "uint256"
-					}
-				],
-				"name": "revokeConfirmation",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"name": "isOwner",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bool"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "",
-						"type": "uint256"
-					},
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"name": "confirmations",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bool"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "secondsTimeLocked",
-				"outputs": [
-					{
-						"name": "",
-						"type": "uint256"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "pending",
-						"type": "bool"
-					},
-					{
-						"name": "executed",
-						"type": "bool"
-					}
-				],
-				"name": "getTransactionCount",
-				"outputs": [
-					{
-						"name": "count",
-						"type": "uint256"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "data",
-						"type": "bytes"
-					}
-				],
-				"name": "isFunctionRemoveAuthorizedAddress",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bool"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "transactionId",
-						"type": "uint256"
-					}
-				],
-				"name": "executeRemoveAuthorizedAddress",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "owner",
-						"type": "address"
-					}
-				],
-				"name": "addOwner",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "transactionId",
-						"type": "uint256"
-					}
-				],
-				"name": "isConfirmed",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bool"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "_secondsTimeLocked",
-						"type": "uint256"
-					}
-				],
-				"name": "changeTimeLock",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "transactionId",
-						"type": "uint256"
-					}
-				],
-				"name": "getConfirmationCount",
-				"outputs": [
-					{
-						"name": "count",
-						"type": "uint256"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "",
-						"type": "uint256"
-					}
-				],
-				"name": "transactions",
-				"outputs": [
-					{
-						"name": "destination",
-						"type": "address"
-					},
-					{
-						"name": "value",
-						"type": "uint256"
-					},
-					{
-						"name": "data",
-						"type": "bytes"
-					},
-					{
-						"name": "executed",
-						"type": "bool"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "getOwners",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "from",
-						"type": "uint256"
-					},
-					{
-						"name": "to",
-						"type": "uint256"
-					},
-					{
-						"name": "pending",
-						"type": "bool"
-					},
-					{
-						"name": "executed",
-						"type": "bool"
-					}
-				],
-				"name": "getTransactionIds",
-				"outputs": [
-					{
-						"name": "_transactionIds",
-						"type": "uint256[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "TOKEN_TRANSFER_PROXY_CONTRACT",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "transactionId",
-						"type": "uint256"
-					}
-				],
-				"name": "getConfirmations",
-				"outputs": [
-					{
-						"name": "_confirmations",
-						"type": "address[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "transactionCount",
-				"outputs": [
-					{
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-				"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE CALLVALUE DUP1 ISZERO PUSH3 0x11 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 MLOAD PUSH3 0x2022 CODESIZE SUB DUP1 PUSH3 0x2022 DUP4 CODECOPY DUP2 ADD PUSH1 0x40 SWAP1 DUP2 MSTORE DUP2 MLOAD PUSH1 0x20 DUP4 ADD MLOAD SWAP2 DUP4 ADD MLOAD PUSH1 0x60 DUP5 ADD MLOAD SWAP2 SWAP1 SWAP4 ADD DUP1 MLOAD SWAP1 SWAP4 SWAP2 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP4 SWAP1 DUP4 SWAP1 PUSH1 0x0 SWAP1 DUP3 PUSH1 0x32 DUP3 GT DUP1 PUSH3 0x60 JUMPI POP DUP2 DUP2 GT JUMPDEST DUP1 PUSH3 0x6A JUMPI POP DUP1 ISZERO JUMPDEST DUP1 PUSH3 0x74 JUMPI POP DUP2 ISZERO JUMPDEST ISZERO PUSH3 0x7F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST DUP5 MLOAD DUP4 LT ISZERO PUSH3 0x153 JUMPI PUSH1 0x2 PUSH1 0x0 DUP7 DUP6 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xA1 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 SLOAD PUSH1 0xFF AND DUP1 PUSH3 0xF4 JUMPI POP DUP5 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0xDD JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND PUSH1 0x0 EQ JUMPDEST ISZERO PUSH3 0xFF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 PUSH1 0x2 PUSH1 0x0 DUP8 DUP7 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH3 0x114 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP2 SWAP1 SWAP2 ADD DUP2 ADD MLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB AND DUP3 MSTORE DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x40 ADD PUSH1 0x0 KECCAK256 DUP1 SLOAD PUSH1 0xFF NOT AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x1 SWAP3 SWAP1 SWAP3 ADD SWAP2 PUSH3 0x84 JUMP JUMPDEST DUP5 MLOAD PUSH3 0x168 SWAP1 PUSH1 0x3 SWAP1 PUSH1 0x20 DUP9 ADD SWAP1 PUSH3 0x1A2 JUMP JUMPDEST POP POP POP PUSH1 0x4 SWAP2 SWAP1 SWAP2 SSTORE POP POP PUSH1 0x6 SSTORE POP POP PUSH1 0x8 DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP3 SWAP1 SWAP3 AND SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE POP PUSH3 0x236 SWAP2 POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD DUP3 DUP3 SSTORE SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 DUP2 ADD SWAP3 DUP3 ISZERO PUSH3 0x1FA JUMPI SWAP2 PUSH1 0x20 MUL DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH3 0x1FA JUMPI DUP3 MLOAD DUP3 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB SWAP1 SWAP2 AND OR DUP3 SSTORE PUSH1 0x20 SWAP1 SWAP3 ADD SWAP2 PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH3 0x1C3 JUMP JUMPDEST POP PUSH3 0x208 SWAP3 SWAP2 POP PUSH3 0x20C JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH3 0x233 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH3 0x208 JUMPI DUP1 SLOAD PUSH1 0x1 PUSH1 0xA0 PUSH1 0x2 EXP SUB NOT AND DUP2 SSTORE PUSH1 0x1 ADD PUSH3 0x213 JUMP JUMPDEST SWAP1 JUMP JUMPDEST PUSH2 0x1DDC DUP1 PUSH3 0x246 PUSH1 0x0 CODECOPY PUSH1 0x0 RETURN STOP PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2C1 JUMPI DUP1 PUSH4 0x553A48FD EQ PUSH2 0x2E0 JUMPI DUP1 PUSH4 0x5711B311 EQ PUSH2 0x339 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x351 JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x37F JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x397 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3AF JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3C7 JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x49C JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x501 JUMPI DUP1 PUSH4 0xADD1CBC5 EQ PUSH2 0x526 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x53B JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x553 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x568 JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x580 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x598 JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x60E JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x626 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x63B JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x650 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x684 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x69C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6D1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x928 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xA15 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0xA4A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 DUP1 CALLDATALOAD DUP1 DUP3 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x255 SWAP5 CALLDATASIZE SWAP5 SWAP3 SWAP4 PUSH1 0x24 SWAP4 SWAP3 DUP5 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0xABC SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x345 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xBC7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x35D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE90 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x38B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0xFFD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1087 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3BB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x10CE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3D3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DF PUSH1 0x4 CALLDATALOAD PUSH2 0x114A JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x45E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x446 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x48B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH2 0x1233 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4ED JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4D5 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x50D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x12A3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x532 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x13DC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x547 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH1 0x4 CALLDATALOAD PUSH2 0x13F8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x55F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x15A5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x574 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x15AB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1622 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5A4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2AF SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1734 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x61A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x1753 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x632 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x1765 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x647 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x176A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x1770 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x690 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1980 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6AA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x715 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x898 JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7B5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x88D JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x80D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x840 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x898 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x763 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8C9 SWAP1 DUP3 PUSH2 0x1CEF JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8E2 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8E2 SWAP1 PUSH2 0x15AB JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x946 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x972 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x993 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x99D DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0x9A7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP9 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xAB5 JUMPI DUP4 DUP1 ISZERO PUSH2 0xA7D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xAA1 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xAA1 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xAAD JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xA54 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A656441646472657373286164647265737329 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 KECCAK256 PUSH1 0x0 SWAP1 DUP2 JUMPDEST PUSH1 0x4 DUP2 LT ISZERO PUSH2 0xBBB JUMPI DUP2 DUP2 PUSH1 0x4 DUP2 LT PUSH2 0xB08 JUMPI INVALID JUMPDEST BYTE PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 MUL PUSH31 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NOT AND DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB5B JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP2 ADD ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL PUSH32 0xFF00000000000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xBB3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 ADD PUSH2 0xAF3 JUMP JUMPDEST PUSH1 0x1 SWAP3 POP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xBE8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xBF2 DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO ISZERO PUSH2 0xBFD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x8 SLOAD DUP2 SLOAD DUP7 SWAP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND SWAP2 AND EQ PUSH2 0xC37 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x2 DUP2 DUP2 ADD DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP5 SWAP1 SWAP5 DIV PUSH1 0x1F DUP2 ADD DUP4 SWAP1 DIV DUP4 MUL DUP6 ADD DUP4 ADD SWAP1 SWAP2 MSTORE DUP1 DUP5 MSTORE PUSH2 0xCEA SWAP4 SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xCE0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xCB5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xCE0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xCC3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0xABC JUMP JUMPDEST ISZERO ISZERO PUSH2 0xCF5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD SWAP4 MLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD SWAP6 SWAP12 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP5 SWAP3 SWAP4 SWAP2 SWAP3 DUP4 SWAP3 DUP6 SWAP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 AND DIV DUP1 ISZERO PUSH2 0xDE7 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xDBC JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xDE7 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDCA JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP8 GAS CALL SWAP3 POP POP POP ISZERO PUSH2 0xE32 JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xE88 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xE9C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xED1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xEF4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT DUP1 PUSH2 0xF0E JUMPI POP DUP2 DUP2 GT JUMPDEST DUP1 PUSH2 0xF17 JUMPI POP DUP1 ISZERO JUMPDEST DUP1 PUSH2 0xF20 JUMPI POP DUP2 ISZERO JUMPDEST ISZERO PUSH2 0xF2A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0xBC0 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x102B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x106C JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x107F JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0xBC0 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1002 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1093 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1144 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x10FB JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x113C JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x10D2 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x1220 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11F5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x1220 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x1203 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1298 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x126D JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D5 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x135C JUMPI DUP6 DUP1 ISZERO PUSH2 0x130A JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x132E JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x132E JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x1354 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1342 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x12E1 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1388 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x13D1 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x13A5 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x13BF JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x138F JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x8 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x142D JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1511 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x1462 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1509 JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x14AA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x14DD JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1439 JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x153B JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x159D JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1559 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1571 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x1543 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x15B7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 PUSH2 0x15C9 JUMPI POP DUP2 DUP2 GT JUMPDEST DUP1 PUSH2 0x15D2 JUMPI POP DUP1 ISZERO JUMPDEST DUP1 PUSH2 0x15DB JUMPI POP DUP2 ISZERO JUMPDEST ISZERO PUSH2 0x15E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1640 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x1672 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x169D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x16A7 DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0x16B1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1725 DUP7 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0xE88 JUMPI PUSH2 0xE88 DUP7 TIMESTAMP PUSH2 0x1B71 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1741 DUP5 DUP5 DUP5 PUSH2 0x1BBC JUMP JUMPDEST SWAP1 POP PUSH2 0x174C DUP2 PUSH2 0x1622 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x177E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x17E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x18AE JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x181E JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x18A3 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1856 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x18AE JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x17EE JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x19AB DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO ISZERO PUSH2 0x19B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x19D7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD SWAP4 MLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD SWAP6 SWAP11 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP5 SWAP3 SWAP4 SWAP2 SWAP3 DUP4 SWAP3 DUP6 SWAP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 AND DIV DUP1 ISZERO PUSH2 0x1AC9 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1A9E JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x1AC9 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x1AAC JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP8 GAS CALL SWAP3 POP POP POP ISZERO PUSH2 0x1B14 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1B6A JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1BE1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1C79 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x1D18 JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x1D13 SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x1D96 JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x1D59 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x1D86 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x1D86 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x1D86 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x1D6B JUMP JUMPDEST POP PUSH2 0x1D92 SWAP3 SWAP2 POP PUSH2 0x1D96 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x12A0 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x1D92 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x1D9C JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb0 0xc6 POP PUSH14 0xFC9B060FFE32B6C63D7CD004F2B DUP6 PUSH11 0xD475BD69CE365BA1FB7454 0xac STOP 0x29 ",
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-			},
-			"deployedBytecode": {
-				"linkReferences": {},
-				"object": 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-				"opcodes": "PUSH1 0x80 PUSH1 0x40 MSTORE PUSH1 0x4 CALLDATASIZE LT PUSH2 0x15E JUMPI PUSH4 0xFFFFFFFF PUSH29 0x100000000000000000000000000000000000000000000000000000000 PUSH1 0x0 CALLDATALOAD DIV AND PUSH4 0x25E7C27 DUP2 EQ PUSH2 0x1A0 JUMPI DUP1 PUSH4 0x173825D9 EQ PUSH2 0x1E1 JUMPI DUP1 PUSH4 0x20EA8D86 EQ PUSH2 0x20F JUMPI DUP1 PUSH4 0x2F54BF6E EQ PUSH2 0x227 JUMPI DUP1 PUSH4 0x3411C81C EQ PUSH2 0x269 JUMPI DUP1 PUSH4 0x37BD78A0 EQ PUSH2 0x29A JUMPI DUP1 PUSH4 0x54741525 EQ PUSH2 0x2C1 JUMPI DUP1 PUSH4 0x553A48FD EQ PUSH2 0x2E0 JUMPI DUP1 PUSH4 0x5711B311 EQ PUSH2 0x339 JUMPI DUP1 PUSH4 0x7065CB48 EQ PUSH2 0x351 JUMPI DUP1 PUSH4 0x784547A7 EQ PUSH2 0x37F JUMPI DUP1 PUSH4 0x7AD28C51 EQ PUSH2 0x397 JUMPI DUP1 PUSH4 0x8B51D13F EQ PUSH2 0x3AF JUMPI DUP1 PUSH4 0x9ACE38C2 EQ PUSH2 0x3C7 JUMPI DUP1 PUSH4 0xA0E67E2B EQ PUSH2 0x49C JUMPI DUP1 PUSH4 0xA8ABE69A EQ PUSH2 0x501 JUMPI DUP1 PUSH4 0xADD1CBC5 EQ PUSH2 0x526 JUMPI DUP1 PUSH4 0xB5DC40C3 EQ PUSH2 0x53B JUMPI DUP1 PUSH4 0xB77BF600 EQ PUSH2 0x553 JUMPI DUP1 PUSH4 0xBA51A6DF EQ PUSH2 0x568 JUMPI DUP1 PUSH4 0xC01A8C84 EQ PUSH2 0x580 JUMPI DUP1 PUSH4 0xC6427474 EQ PUSH2 0x598 JUMPI DUP1 PUSH4 0xD38F2D82 EQ PUSH2 0x60E JUMPI DUP1 PUSH4 0xD74F8EDD EQ PUSH2 0x626 JUMPI DUP1 PUSH4 0xDC8452CD EQ PUSH2 0x63B JUMPI DUP1 PUSH4 0xE20056E6 EQ PUSH2 0x650 JUMPI DUP1 PUSH4 0xEE22610B EQ PUSH2 0x684 JUMPI JUMPDEST PUSH1 0x0 CALLVALUE GT ISZERO PUSH2 0x19E JUMPI PUSH1 0x40 DUP1 MLOAD CALLVALUE DUP2 MSTORE SWAP1 MLOAD CALLER SWAP2 PUSH32 0xE1FFFCC4923D04B559F4D29A8BFC6CDA04EB5B0D3C460751C2402C5C5CC9109C SWAP2 SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG2 JUMPDEST STOP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1AC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH1 0x4 CALLDATALOAD PUSH2 0x69C JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x1ED JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0x6D1 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x21B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x928 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x233 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xA15 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 ISZERO ISZERO DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x275 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x24 CALLDATALOAD AND PUSH2 0xA2A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2A6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0xA4A JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD SWAP2 DUP3 MSTORE MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2CD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD ISZERO ISZERO PUSH1 0x24 CALLDATALOAD ISZERO ISZERO PUSH2 0xA50 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x2EC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 DUP1 CALLDATALOAD DUP1 DUP3 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x255 SWAP5 CALLDATASIZE SWAP5 SWAP3 SWAP4 PUSH1 0x24 SWAP4 SWAP3 DUP5 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0xABC SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x345 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0xBC7 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x35D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD AND PUSH2 0xE90 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x38B JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x255 PUSH1 0x4 CALLDATALOAD PUSH2 0xFFD JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3A3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1087 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3BB JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x10CE JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x3D3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x3DF PUSH1 0x4 CALLDATALOAD PUSH2 0x114A JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 DUP6 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP5 DUP2 MSTORE PUSH1 0x20 ADD DUP1 PUSH1 0x20 ADD DUP4 ISZERO ISZERO ISZERO ISZERO DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP2 SUB DUP3 MSTORE DUP5 DUP2 DUP2 MLOAD DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP DUP1 MLOAD SWAP1 PUSH1 0x20 ADD SWAP1 DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x45E JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x446 JUMP JUMPDEST POP POP POP POP SWAP1 POP SWAP1 DUP2 ADD SWAP1 PUSH1 0x1F AND DUP1 ISZERO PUSH2 0x48B JUMPI DUP1 DUP3 SUB DUP1 MLOAD PUSH1 0x1 DUP4 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB NOT AND DUP2 MSTORE PUSH1 0x20 ADD SWAP2 POP JUMPDEST POP SWAP6 POP POP POP POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x4A8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH2 0x1233 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 DUP1 DUP3 MSTORE DUP4 MLOAD DUP2 DUP4 ADD MSTORE DUP4 MLOAD SWAP2 SWAP3 DUP4 SWAP3 SWAP1 DUP4 ADD SWAP2 DUP6 DUP2 ADD SWAP2 MUL DUP1 DUP4 DUP4 PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x4ED JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x4D5 JUMP JUMPDEST POP POP POP POP SWAP1 POP ADD SWAP3 POP POP POP PUSH1 0x40 MLOAD DUP1 SWAP2 SUB SWAP1 RETURN JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x50D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH1 0x4 CALLDATALOAD PUSH1 0x24 CALLDATALOAD PUSH1 0x44 CALLDATALOAD ISZERO ISZERO PUSH1 0x64 CALLDATALOAD ISZERO ISZERO PUSH2 0x12A3 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x532 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1B8 PUSH2 0x13DC JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x547 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x4B1 PUSH1 0x4 CALLDATALOAD PUSH2 0x13F8 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x55F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x15A5 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x574 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x15AB JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x58C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1622 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x5A4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x4 PUSH1 0x44 CALLDATALOAD DUP2 DUP2 ADD CALLDATALOAD PUSH1 0x1F DUP2 ADD DUP5 SWAP1 DIV DUP5 MUL DUP6 ADD DUP5 ADD SWAP1 SWAP6 MSTORE DUP5 DUP5 MSTORE PUSH2 0x2AF SWAP5 DUP3 CALLDATALOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP5 PUSH1 0x24 DUP1 CALLDATALOAD SWAP6 CALLDATASIZE SWAP6 SWAP5 PUSH1 0x64 SWAP5 SWAP3 ADD SWAP2 SWAP1 DUP2 SWAP1 DUP5 ADD DUP4 DUP3 DUP1 DUP3 DUP5 CALLDATACOPY POP SWAP5 SWAP8 POP PUSH2 0x1734 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x61A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH1 0x4 CALLDATALOAD PUSH2 0x1753 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x632 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x1765 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x647 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x2AF PUSH2 0x176A JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x65C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF PUSH1 0x4 CALLDATALOAD DUP2 AND SWAP1 PUSH1 0x24 CALLDATALOAD AND PUSH2 0x1770 JUMP JUMPDEST CALLVALUE DUP1 ISZERO PUSH2 0x690 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x19E PUSH1 0x4 CALLDATALOAD PUSH2 0x1980 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x6AA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 POP DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x6DF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP3 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x715 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE SWAP2 POP JUMPDEST PUSH1 0x3 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD DUP3 LT ISZERO PUSH2 0x898 JUMPI DUP3 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP4 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x7B5 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x88D JUMPI PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 ADD SWAP1 DUP2 LT PUSH2 0x80D JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH1 0x3 DUP1 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x840 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x898 JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x763 JUMP JUMPDEST PUSH1 0x3 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 PUSH2 0x8C9 SWAP1 DUP3 PUSH2 0x1CEF JUMP JUMPDEST POP PUSH1 0x3 SLOAD PUSH1 0x4 SLOAD GT ISZERO PUSH2 0x8E2 JUMPI PUSH1 0x3 SLOAD PUSH2 0x8E2 SWAP1 PUSH2 0x15AB JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP5 AND SWAP1 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x946 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP4 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x972 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD DUP5 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x993 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x99D DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0x9A7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE DUP1 DUP4 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE MLOAD DUP9 SWAP3 PUSH32 0xF6A317157440607F36269043EB55F1287A5A19BA2216AFEAB88CD46CBCFB88E9 SWAP2 LOG3 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x0 SWAP3 DUP4 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 SWAP1 SWAP2 MSTORE SWAP1 DUP3 MSTORE SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND DUP2 JUMP JUMPDEST PUSH1 0x6 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0xAB5 JUMPI DUP4 DUP1 ISZERO PUSH2 0xA7D JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0xAA1 JUMPI POP DUP3 DUP1 ISZERO PUSH2 0xAA1 JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0xAAD JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xA54 JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH32 0x72656D6F7665417574686F72697A656441646472657373286164647265737329 DUP2 MSTORE SWAP1 MLOAD SWAP1 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 KECCAK256 PUSH1 0x0 SWAP1 DUP2 JUMPDEST PUSH1 0x4 DUP2 LT ISZERO PUSH2 0xBBB JUMPI DUP2 DUP2 PUSH1 0x4 DUP2 LT PUSH2 0xB08 JUMPI INVALID JUMPDEST BYTE PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 MUL PUSH31 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF NOT AND DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0xB5B JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP2 ADD ADD MLOAD PUSH32 0x100000000000000000000000000000000000000000000000000000000000000 SWAP1 DUP2 SWAP1 DIV MUL PUSH32 0xFF00000000000000000000000000000000000000000000000000000000000000 AND EQ PUSH2 0xBB3 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x1 ADD PUSH2 0xAF3 JUMP JUMPDEST PUSH1 0x1 SWAP3 POP JUMPDEST POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xBE8 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0xBF2 DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO ISZERO PUSH2 0xBFD JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x8 SLOAD DUP2 SLOAD DUP7 SWAP3 SWAP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP3 AND SWAP2 AND EQ PUSH2 0xC37 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x2 DUP2 DUP2 ADD DUP1 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x20 PUSH1 0x1 DUP5 AND ISZERO PUSH2 0x100 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP4 AND SWAP5 SWAP1 SWAP5 DIV PUSH1 0x1F DUP2 ADD DUP4 SWAP1 DIV DUP4 MUL DUP6 ADD DUP4 ADD SWAP1 SWAP2 MSTORE DUP1 DUP5 MSTORE PUSH2 0xCEA SWAP4 SWAP3 SWAP2 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0xCE0 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xCB5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xCE0 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xCC3 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP POP POP PUSH2 0xABC JUMP JUMPDEST ISZERO ISZERO PUSH2 0xCF5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD SWAP4 MLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD SWAP6 SWAP12 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP5 SWAP3 SWAP4 SWAP2 SWAP3 DUP4 SWAP3 DUP6 SWAP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 AND DIV DUP1 ISZERO PUSH2 0xDE7 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0xDBC JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0xDE7 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0xDCA JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP8 GAS CALL SWAP3 POP POP POP ISZERO PUSH2 0xE32 JUMPI PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0xE88 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP7 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP6 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0xE9C JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0xED1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0xEF4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x1 ADD PUSH1 0x4 SLOAD PUSH1 0x32 DUP3 GT DUP1 PUSH2 0xF0E JUMPI POP DUP2 DUP2 GT JUMPDEST DUP1 PUSH2 0xF17 JUMPI POP DUP1 ISZERO JUMPDEST DUP1 PUSH2 0xF20 JUMPI POP DUP2 ISZERO JUMPDEST ISZERO PUSH2 0xF2A JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE PUSH1 0x3 DUP1 SLOAD SWAP2 DUP3 ADD DUP2 SSTORE DUP4 MSTORE PUSH32 0xC2575A0E9E593C00F959F8C92F12DB2869C3395A3B0502D05E2516446F71F85B ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND DUP5 OR SWAP1 SSTORE MLOAD PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP2 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0xBC0 JUMPI PUSH1 0x0 DUP5 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x102B JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x106C JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x4 SLOAD DUP3 EQ ISZERO PUSH2 0x107F JUMPI PUSH1 0x1 SWAP3 POP PUSH2 0xBC0 JUMP JUMPDEST PUSH1 0x1 ADD PUSH2 0x1002 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x1093 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 DUP2 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP3 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xD1C9101A34FEFF75CCCEF14A28785A0279CB0B49C1F321F21F5F422E746B4377 SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP JUMP JUMPDEST PUSH1 0x0 DUP1 JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1144 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x10FB JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x113C JUMPI PUSH1 0x1 DUP3 ADD SWAP2 POP JUMPDEST PUSH1 0x1 ADD PUSH2 0x10D2 JUMP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP2 DUP2 MSTORE SWAP2 DUP2 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 DUP1 SLOAD PUSH1 0x1 DUP1 DUP4 ADD SLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD DUP8 MLOAD PUSH2 0x100 SWAP6 DUP3 AND ISZERO SWAP6 SWAP1 SWAP6 MUL PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD AND SWAP2 SWAP1 SWAP2 DIV PUSH1 0x1F DUP2 ADD DUP9 SWAP1 DIV DUP9 MUL DUP5 ADD DUP9 ADD SWAP1 SWAP7 MSTORE DUP6 DUP4 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP1 SWAP5 SWAP2 SWAP3 SWAP2 SWAP1 DUP4 ADD DUP3 DUP3 DUP1 ISZERO PUSH2 0x1220 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x11F5 JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x1220 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x1203 JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP POP PUSH1 0x3 SWAP1 SWAP4 ADD SLOAD SWAP2 SWAP3 POP POP PUSH1 0xFF AND DUP5 JUMP JUMPDEST PUSH1 0x60 PUSH1 0x3 DUP1 SLOAD DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD PUSH1 0x40 MLOAD SWAP1 DUP2 ADD PUSH1 0x40 MSTORE DUP1 SWAP3 SWAP2 SWAP1 DUP2 DUP2 MSTORE PUSH1 0x20 ADD DUP3 DUP1 SLOAD DUP1 ISZERO PUSH2 0x1298 JUMPI PUSH1 0x20 MUL DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x1 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x126D JUMPI JUMPDEST POP POP POP POP POP SWAP1 POP JUMPDEST SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x5 SLOAD PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x12D5 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x5 SLOAD DUP2 LT ISZERO PUSH2 0x135C JUMPI DUP6 DUP1 ISZERO PUSH2 0x130A JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND ISZERO JUMPDEST DUP1 PUSH2 0x132E JUMPI POP DUP5 DUP1 ISZERO PUSH2 0x132E JUMPI POP PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 PUSH1 0x3 ADD SLOAD PUSH1 0xFF AND JUMPDEST ISZERO PUSH2 0x1354 JUMPI DUP1 DUP4 DUP4 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1342 JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x12E1 JUMP JUMPDEST DUP8 DUP8 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x1388 JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP DUP8 SWAP1 POP JUMPDEST DUP7 DUP2 LT ISZERO PUSH2 0x13D1 JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x13A5 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP10 DUP4 SUB DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x13BF JUMPI INVALID JUMPDEST PUSH1 0x20 SWAP1 DUP2 MUL SWAP1 SWAP2 ADD ADD MSTORE PUSH1 0x1 ADD PUSH2 0x138F JUMP JUMPDEST POP POP POP SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x8 SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 JUMP JUMPDEST PUSH1 0x60 DUP1 PUSH1 0x0 DUP1 PUSH1 0x3 DUP1 SLOAD SWAP1 POP PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x142D JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP3 POP PUSH1 0x0 SWAP2 POP PUSH1 0x0 SWAP1 POP JUMPDEST PUSH1 0x3 SLOAD DUP2 LT ISZERO PUSH2 0x1511 JUMPI PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 DUP1 SLOAD SWAP2 SWAP3 SWAP2 DUP5 SWAP1 DUP2 LT PUSH2 0x1462 JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 KECCAK256 SWAP1 SWAP2 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP4 MSTORE DUP3 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x40 ADD SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO PUSH2 0x1509 JUMPI PUSH1 0x3 DUP1 SLOAD DUP3 SWAP1 DUP2 LT PUSH2 0x14AA JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD DUP4 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP1 DUP5 SWAP1 DUP5 SWAP1 DUP2 LT PUSH2 0x14DD JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 SWAP2 SWAP1 SWAP2 ADD SWAP1 JUMPDEST PUSH1 0x1 ADD PUSH2 0x1439 JUMP JUMPDEST DUP2 PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x20 MUL PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0x153B JUMPI DUP2 PUSH1 0x20 ADD PUSH1 0x20 DUP3 MUL DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP4 POP PUSH1 0x0 SWAP1 POP JUMPDEST DUP2 DUP2 LT ISZERO PUSH2 0x159D JUMPI DUP3 DUP2 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1559 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x20 ADD SWAP1 PUSH1 0x20 MUL ADD MLOAD DUP5 DUP3 DUP2 MLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1571 JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE PUSH1 0x1 ADD PUSH2 0x1543 JUMP JUMPDEST POP POP POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x5 SLOAD DUP2 JUMP JUMPDEST CALLER ADDRESS EQ PUSH2 0x15B7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x3 SLOAD DUP2 PUSH1 0x32 DUP3 GT DUP1 PUSH2 0x15C9 JUMPI POP DUP2 DUP2 GT JUMPDEST DUP1 PUSH2 0x15D2 JUMPI POP DUP1 ISZERO JUMPDEST DUP1 PUSH2 0x15DB JUMPI POP DUP2 ISZERO JUMPDEST ISZERO PUSH2 0x15E5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x4 DUP4 SWAP1 SSTORE PUSH1 0x40 DUP1 MLOAD DUP5 DUP2 MSTORE SWAP1 MLOAD PUSH32 0xA3F1EE9126A074D9326C682F561767F710E927FAA811F7A99829D49DC421797A SWAP2 DUP2 SWAP1 SUB PUSH1 0x20 ADD SWAP1 LOG1 POP POP POP JUMP JUMPDEST CALLER PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x1640 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP3 SWAP1 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND ISZERO ISZERO PUSH2 0x1672 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 DUP1 DUP4 KECCAK256 CALLER DUP1 DUP6 MSTORE SWAP3 MSTORE SWAP1 SWAP2 KECCAK256 SLOAD DUP5 SWAP2 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x169D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP5 PUSH2 0x16A7 DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0x16B1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP7 DUP2 MSTORE PUSH1 0x1 PUSH1 0x20 DUP2 DUP2 MSTORE PUSH1 0x40 DUP1 DUP5 KECCAK256 CALLER DUP1 DUP7 MSTORE SWAP3 MSTORE DUP1 DUP5 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SWAP4 OR SWAP1 SWAP3 SSTORE SWAP1 MLOAD DUP9 SWAP3 PUSH32 0x4A504A94899432A9846E1AA406DCEB1BCFD538BB839071D49D1E5E23F5BE30EF SWAP2 LOG3 PUSH2 0x1725 DUP7 PUSH2 0xFFD JUMP JUMPDEST ISZERO PUSH2 0xE88 JUMPI PUSH2 0xE88 DUP7 TIMESTAMP PUSH2 0x1B71 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x1741 DUP5 DUP5 DUP5 PUSH2 0x1BBC JUMP JUMPDEST SWAP1 POP PUSH2 0x174C DUP2 PUSH2 0x1622 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x32 DUP2 JUMP JUMPDEST PUSH1 0x4 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 CALLER ADDRESS EQ PUSH2 0x177E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO ISZERO PUSH2 0x17B4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP4 AND PUSH1 0x0 SWAP1 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP4 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x17E9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 SWAP3 POP JUMPDEST PUSH1 0x3 SLOAD DUP4 LT ISZERO PUSH2 0x18AE JUMPI DUP5 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x181E JUMPI INVALID JUMPDEST PUSH1 0x0 SWAP2 DUP3 MSTORE PUSH1 0x20 SWAP1 SWAP2 KECCAK256 ADD SLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0x18A3 JUMPI DUP4 PUSH1 0x3 DUP5 DUP2 SLOAD DUP2 LT ISZERO ISZERO PUSH2 0x1856 JUMPI INVALID JUMPDEST SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 ADD PUSH1 0x0 PUSH2 0x100 EXP DUP2 SLOAD DUP2 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF MUL NOT AND SWAP1 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND MUL OR SWAP1 SSTORE POP PUSH2 0x18AE JUMP JUMPDEST PUSH1 0x1 SWAP1 SWAP3 ADD SWAP2 PUSH2 0x17EE JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP1 DUP7 AND PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x2 PUSH1 0x20 MSTORE PUSH1 0x40 DUP1 DUP3 KECCAK256 DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 SWAP1 DUP2 AND SWAP1 SWAP2 SSTORE SWAP4 DUP9 AND DUP3 MSTORE DUP1 DUP3 KECCAK256 DUP1 SLOAD SWAP1 SWAP5 AND PUSH1 0x1 OR SWAP1 SWAP4 SSTORE SWAP2 MLOAD SWAP1 SWAP2 PUSH32 0x8001553A916EF2F495D26A907CC54D96ED840D7BDA71E73194BF5A9DF7A76B90 SWAP2 LOG2 PUSH1 0x40 MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND SWAP1 PUSH32 0xF39E6E1EB0EDCF53C221607B54B00CD28F3196FED0A24994DC308B8F611B682D SWAP1 PUSH1 0x0 SWAP1 LOG2 POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 DUP2 KECCAK256 PUSH1 0x3 ADD SLOAD DUP3 SWAP1 PUSH1 0xFF AND ISZERO PUSH2 0x19A1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 PUSH2 0x19AB DUP2 PUSH2 0xFFD JUMP JUMPDEST ISZERO ISZERO PUSH2 0x19B6 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x6 SLOAD PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 MSTORE PUSH1 0x40 SWAP1 KECCAK256 SLOAD DUP6 SWAP2 ADD TIMESTAMP LT ISZERO PUSH2 0x19D7 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x0 DUP6 DUP2 MSTORE PUSH1 0x20 DUP2 SWAP1 MSTORE PUSH1 0x40 SWAP1 DUP2 SWAP1 KECCAK256 PUSH1 0x3 DUP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND PUSH1 0x1 SWAP1 DUP2 OR SWAP1 SWAP2 SSTORE DUP2 SLOAD DUP2 DUP4 ADD SLOAD SWAP4 MLOAD PUSH1 0x2 DUP1 DUP6 ADD DUP1 SLOAD SWAP6 SWAP11 POP PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP4 AND SWAP6 SWAP5 SWAP3 SWAP4 SWAP2 SWAP3 DUP4 SWAP3 DUP6 SWAP3 PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 DUP4 AND ISZERO PUSH2 0x100 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 AND DIV DUP1 ISZERO PUSH2 0x1AC9 JUMPI DUP1 PUSH1 0x1F LT PUSH2 0x1A9E JUMPI PUSH2 0x100 DUP1 DUP4 SLOAD DIV MUL DUP4 MSTORE SWAP2 PUSH1 0x20 ADD SWAP2 PUSH2 0x1AC9 JUMP JUMPDEST DUP3 ADD SWAP2 SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 JUMPDEST DUP2 SLOAD DUP2 MSTORE SWAP1 PUSH1 0x1 ADD SWAP1 PUSH1 0x20 ADD DUP1 DUP4 GT PUSH2 0x1AAC JUMPI DUP3 SWAP1 SUB PUSH1 0x1F AND DUP3 ADD SWAP2 JUMPDEST POP POP SWAP2 POP POP PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 DUP6 DUP8 GAS CALL SWAP3 POP POP POP ISZERO PUSH2 0x1B14 JUMPI PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x33E13ECB54C3076D8E8BB8C2881800A4D972B792045FFAE98FDF46DF365FED75 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH2 0x1B6A JUMP JUMPDEST PUSH1 0x40 MLOAD DUP6 SWAP1 PUSH32 0x526441BB6C1ABA3C9A4A6CA1D6545DA9C2333C8C48343EF398EB858D72B79236 SWAP1 PUSH1 0x0 SWAP1 LOG2 PUSH1 0x3 DUP5 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP1 SSTORE JUMPDEST POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 DUP2 MSTORE PUSH1 0x7 PUSH1 0x20 SWAP1 DUP2 MSTORE PUSH1 0x40 SWAP2 DUP3 SWAP1 KECCAK256 DUP4 SWAP1 SSTORE DUP2 MLOAD DUP4 DUP2 MSTORE SWAP2 MLOAD DUP5 SWAP3 PUSH32 0xB237AFE65F1514FD7EA3F923EA4FE792BDD07000A912B6CD1602A8E7F573C8D SWAP3 SWAP1 DUP3 SWAP1 SUB ADD SWAP1 LOG2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP4 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND ISZERO ISZERO PUSH2 0x1BE1 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x5 SLOAD PUSH1 0x40 DUP1 MLOAD PUSH1 0x80 DUP2 ADD DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP9 DUP2 AND DUP3 MSTORE PUSH1 0x20 DUP1 DUP4 ADD DUP10 DUP2 MSTORE DUP4 DUP6 ADD DUP10 DUP2 MSTORE PUSH1 0x0 PUSH1 0x60 DUP7 ADD DUP2 SWAP1 MSTORE DUP8 DUP2 MSTORE DUP1 DUP5 MSTORE SWAP6 SWAP1 SWAP6 KECCAK256 DUP5 MLOAD DUP2 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFF0000000000000000000000000000000000000000 AND SWAP5 AND SWAP4 SWAP1 SWAP4 OR DUP4 SSTORE MLOAD PUSH1 0x1 DUP4 ADD SSTORE SWAP3 MLOAD DUP1 MLOAD SWAP5 SWAP7 POP SWAP2 SWAP4 SWAP1 SWAP3 PUSH2 0x1C79 SWAP3 PUSH1 0x2 DUP6 ADD SWAP3 SWAP2 ADD SWAP1 PUSH2 0x1D18 JUMP JUMPDEST POP PUSH1 0x60 SWAP2 SWAP1 SWAP2 ADD MLOAD PUSH1 0x3 SWAP1 SWAP2 ADD DUP1 SLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00 AND SWAP2 ISZERO ISZERO SWAP2 SWAP1 SWAP2 OR SWAP1 SSTORE PUSH1 0x5 DUP1 SLOAD PUSH1 0x1 ADD SWAP1 SSTORE PUSH1 0x40 MLOAD DUP3 SWAP1 PUSH32 0xC0BA8FE4B176C1714197D43B9CC6BCF797A4A7461C5FE8D0EF6E184AE7601E51 SWAP1 PUSH1 0x0 SWAP1 LOG2 POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST DUP2 SLOAD DUP2 DUP4 SSTORE DUP2 DUP2 GT ISZERO PUSH2 0x1D13 JUMPI PUSH1 0x0 DUP4 DUP2 MSTORE PUSH1 0x20 SWAP1 KECCAK256 PUSH2 0x1D13 SWAP2 DUP2 ADD SWAP1 DUP4 ADD PUSH2 0x1D96 JUMP JUMPDEST POP POP POP JUMP JUMPDEST DUP3 DUP1 SLOAD PUSH1 0x1 DUP2 PUSH1 0x1 AND ISZERO PUSH2 0x100 MUL SUB AND PUSH1 0x2 SWAP1 DIV SWAP1 PUSH1 0x0 MSTORE PUSH1 0x20 PUSH1 0x0 KECCAK256 SWAP1 PUSH1 0x1F ADD PUSH1 0x20 SWAP1 DIV DUP2 ADD SWAP3 DUP3 PUSH1 0x1F LT PUSH2 0x1D59 JUMPI DUP1 MLOAD PUSH1 0xFF NOT AND DUP4 DUP1 ADD OR DUP6 SSTORE PUSH2 0x1D86 JUMP JUMPDEST DUP3 DUP1 ADD PUSH1 0x1 ADD DUP6 SSTORE DUP3 ISZERO PUSH2 0x1D86 JUMPI SWAP2 DUP3 ADD JUMPDEST DUP3 DUP2 GT ISZERO PUSH2 0x1D86 JUMPI DUP3 MLOAD DUP3 SSTORE SWAP2 PUSH1 0x20 ADD SWAP2 SWAP1 PUSH1 0x1 ADD SWAP1 PUSH2 0x1D6B JUMP JUMPDEST POP PUSH2 0x1D92 SWAP3 SWAP2 POP PUSH2 0x1D96 JUMP JUMPDEST POP SWAP1 JUMP JUMPDEST PUSH2 0x12A0 SWAP2 SWAP1 JUMPDEST DUP1 DUP3 GT ISZERO PUSH2 0x1D92 JUMPI PUSH1 0x0 DUP2 SSTORE PUSH1 0x1 ADD PUSH2 0x1D9C JUMP STOP LOG1 PUSH6 0x627A7A723058 KECCAK256 0xb0 0xc6 POP PUSH14 0xFC9B060FFE32B6C63D7CD004F2B DUP6 PUSH11 0xD475BD69CE365BA1FB7454 0xac STOP 0x29 ",
-				"sourceMap": 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-			}
-		}
-	},
-	"sources": {
-		"1.0.0/MultiSigWalletWithTImeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol": {
-			"id": 0
-		},
-		"2.0.0/multisig/MultiSigWallet.sol": {
-			"id": 1
-		},
-		"2.0.0/multisig/MultiSigWalletWithTimeLock.sol": {
-			"id": 2
-		}
-	},
-	"sourceCodes": {
-		"1.0.0/MultiSigWalletWithTImeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol": "/*\n\n  Copyright 2018 ZeroEx Intl.\n\n  Licensed under the Apache License, Version 2.0 (the \"License\");\n  you may not use this file except in compliance with the License.\n  You may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\n  Unless required by applicable law or agreed to in writing, software\n  distributed under the License is distributed on an \"AS IS\" BASIS,\n  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n  See the License for the specific language governing permissions and\n  limitations under the License.\n\n*/\n\npragma solidity ^0.4.10;\n\nimport \"../../2.0.0/multisig/MultiSigWalletWithTimeLock.sol\";\n\ncontract MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress is MultiSigWalletWithTimeLock {\n\n    address public TOKEN_TRANSFER_PROXY_CONTRACT;\n\n    modifier validRemoveAuthorizedAddressTx(uint transactionId) {\n        Transaction storage tx = transactions[transactionId];\n        require(tx.destination == TOKEN_TRANSFER_PROXY_CONTRACT);\n        require(isFunctionRemoveAuthorizedAddress(tx.data));\n        _;\n    }\n\n    /// @dev Contract constructor sets initial owners, required number of confirmations, time lock, and tokenTransferProxy address.\n    /// @param _owners List of initial owners.\n    /// @param _required Number of required confirmations.\n    /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n    /// @param _tokenTransferProxy Address of TokenTransferProxy contract.\n    function MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress(\n        address[] _owners,\n        uint _required,\n        uint _secondsTimeLocked,\n        address _tokenTransferProxy)\n        public\n        MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)\n    {\n        TOKEN_TRANSFER_PROXY_CONTRACT = _tokenTransferProxy;\n    }\n\n    /// @dev Allows execution of removeAuthorizedAddress without time lock.\n    /// @param transactionId Transaction ID.\n    function executeRemoveAuthorizedAddress(uint transactionId)\n        public\n        notExecuted(transactionId)\n        fullyConfirmed(transactionId)\n        validRemoveAuthorizedAddressTx(transactionId)\n    {\n        Transaction storage tx = transactions[transactionId];\n        tx.executed = true;\n        if (tx.destination.call.value(tx.value)(tx.data))\n            Execution(transactionId);\n        else {\n            ExecutionFailure(transactionId);\n            tx.executed = false;\n        }\n    }\n\n    /// @dev Compares first 4 bytes of byte array to removeAuthorizedAddress function signature.\n    /// @param data Transaction data.\n    /// @return Successful if data is a call to removeAuthorizedAddress.\n    function isFunctionRemoveAuthorizedAddress(bytes data)\n        public\n        constant\n        returns (bool)\n    {\n        bytes4 removeAuthorizedAddressSignature = bytes4(sha3(\"removeAuthorizedAddress(address)\"));\n        for (uint i = 0; i < 4; i++) {\n            require(data[i] == removeAuthorizedAddressSignature[i]);\n        }\n        return true;\n    }\n}\n",
-		"2.0.0/multisig/MultiSigWallet.sol": "// solhint-disable\npragma solidity ^0.4.10;\n\n\n/// @title Multisignature wallet - Allows multiple parties to agree on transactions before execution.\n/// @author Stefan George - <stefan.george@consensys.net>\ncontract MultiSigWallet {\n\n    uint constant public MAX_OWNER_COUNT = 50;\n\n    event Confirmation(address indexed sender, uint indexed transactionId);\n    event Revocation(address indexed sender, uint indexed transactionId);\n    event Submission(uint indexed transactionId);\n    event Execution(uint indexed transactionId);\n    event ExecutionFailure(uint indexed transactionId);\n    event Deposit(address indexed sender, uint value);\n    event OwnerAddition(address indexed owner);\n    event OwnerRemoval(address indexed owner);\n    event RequirementChange(uint required);\n\n    mapping (uint => Transaction) public transactions;\n    mapping (uint => mapping (address => bool)) public confirmations;\n    mapping (address => bool) public isOwner;\n    address[] public owners;\n    uint public required;\n    uint public transactionCount;\n\n    struct Transaction {\n        address destination;\n        uint value;\n        bytes data;\n        bool executed;\n    }\n\n    modifier onlyWallet() {\n        if (msg.sender != address(this))\n            throw;\n        _;\n    }\n\n    modifier ownerDoesNotExist(address owner) {\n        if (isOwner[owner])\n            throw;\n        _;\n    }\n\n    modifier ownerExists(address owner) {\n        if (!isOwner[owner])\n            throw;\n        _;\n    }\n\n    modifier transactionExists(uint transactionId) {\n        if (transactions[transactionId].destination == 0)\n            throw;\n        _;\n    }\n\n    modifier confirmed(uint transactionId, address owner) {\n        if (!confirmations[transactionId][owner])\n            throw;\n        _;\n    }\n\n    modifier notConfirmed(uint transactionId, address owner) {\n        if (confirmations[transactionId][owner])\n            throw;\n        _;\n    }\n\n    modifier notExecuted(uint transactionId) {\n        if (transactions[transactionId].executed)\n            throw;\n        _;\n    }\n\n    modifier notNull(address _address) {\n        if (_address == 0)\n            throw;\n        _;\n    }\n\n    modifier validRequirement(uint ownerCount, uint _required) {\n        if (   ownerCount > MAX_OWNER_COUNT\n            || _required > ownerCount\n            || _required == 0\n            || ownerCount == 0)\n            throw;\n        _;\n    }\n\n    /// @dev Fallback function allows to deposit ether.\n    function()\n        payable\n    {\n        if (msg.value > 0)\n            Deposit(msg.sender, msg.value);\n    }\n\n    /*\n     * Public functions\n     */\n    /// @dev Contract constructor sets initial owners and required number of confirmations.\n    /// @param _owners List of initial owners.\n    /// @param _required Number of required confirmations.\n    function MultiSigWallet(address[] _owners, uint _required)\n        public\n        validRequirement(_owners.length, _required)\n    {\n        for (uint i=0; i<_owners.length; i++) {\n            if (isOwner[_owners[i]] || _owners[i] == 0)\n                throw;\n            isOwner[_owners[i]] = true;\n        }\n        owners = _owners;\n        required = _required;\n    }\n\n    /// @dev Allows to add a new owner. Transaction has to be sent by wallet.\n    /// @param owner Address of new owner.\n    function addOwner(address owner)\n        public\n        onlyWallet\n        ownerDoesNotExist(owner)\n        notNull(owner)\n        validRequirement(owners.length + 1, required)\n    {\n        isOwner[owner] = true;\n        owners.push(owner);\n        OwnerAddition(owner);\n    }\n\n    /// @dev Allows to remove an owner. Transaction has to be sent by wallet.\n    /// @param owner Address of owner.\n    function removeOwner(address owner)\n        public\n        onlyWallet\n        ownerExists(owner)\n    {\n        isOwner[owner] = false;\n        for (uint i=0; i<owners.length - 1; i++)\n            if (owners[i] == owner) {\n                owners[i] = owners[owners.length - 1];\n                break;\n            }\n        owners.length -= 1;\n        if (required > owners.length)\n            changeRequirement(owners.length);\n        OwnerRemoval(owner);\n    }\n\n    /// @dev Allows to replace an owner with a new owner. Transaction has to be sent by wallet.\n    /// @param owner Address of owner to be replaced.\n    /// @param owner Address of new owner.\n    function replaceOwner(address owner, address newOwner)\n        public\n        onlyWallet\n        ownerExists(owner)\n        ownerDoesNotExist(newOwner)\n    {\n        for (uint i=0; i<owners.length; i++)\n            if (owners[i] == owner) {\n                owners[i] = newOwner;\n                break;\n            }\n        isOwner[owner] = false;\n        isOwner[newOwner] = true;\n        OwnerRemoval(owner);\n        OwnerAddition(newOwner);\n    }\n\n    /// @dev Allows to change the number of required confirmations. Transaction has to be sent by wallet.\n    /// @param _required Number of required confirmations.\n    function changeRequirement(uint _required)\n        public\n        onlyWallet\n        validRequirement(owners.length, _required)\n    {\n        required = _required;\n        RequirementChange(_required);\n    }\n\n    /// @dev Allows an owner to submit and confirm a transaction.\n    /// @param destination Transaction target address.\n    /// @param value Transaction ether value.\n    /// @param data Transaction data payload.\n    /// @return Returns transaction ID.\n    function submitTransaction(address destination, uint value, bytes data)\n        public\n        returns (uint transactionId)\n    {\n        transactionId = addTransaction(destination, value, data);\n        confirmTransaction(transactionId);\n    }\n\n    /// @dev Allows an owner to confirm a transaction.\n    /// @param transactionId Transaction ID.\n    function confirmTransaction(uint transactionId)\n        public\n        ownerExists(msg.sender)\n        transactionExists(transactionId)\n        notConfirmed(transactionId, msg.sender)\n    {\n        confirmations[transactionId][msg.sender] = true;\n        Confirmation(msg.sender, transactionId);\n        executeTransaction(transactionId);\n    }\n\n    /// @dev Allows an owner to revoke a confirmation for a transaction.\n    /// @param transactionId Transaction ID.\n    function revokeConfirmation(uint transactionId)\n        public\n        ownerExists(msg.sender)\n        confirmed(transactionId, msg.sender)\n        notExecuted(transactionId)\n    {\n        confirmations[transactionId][msg.sender] = false;\n        Revocation(msg.sender, transactionId);\n    }\n\n    /// @dev Allows anyone to execute a confirmed transaction.\n    /// @param transactionId Transaction ID.\n    function executeTransaction(uint transactionId)\n        public\n        notExecuted(transactionId)\n    {\n        if (isConfirmed(transactionId)) {\n            Transaction tx = transactions[transactionId];\n            tx.executed = true;\n            if (tx.destination.call.value(tx.value)(tx.data))\n                Execution(transactionId);\n            else {\n                ExecutionFailure(transactionId);\n                tx.executed = false;\n            }\n        }\n    }\n\n    /// @dev Returns the confirmation status of a transaction.\n    /// @param transactionId Transaction ID.\n    /// @return Confirmation status.\n    function isConfirmed(uint transactionId)\n        public\n        constant\n        returns (bool)\n    {\n        uint count = 0;\n        for (uint i=0; i<owners.length; i++) {\n            if (confirmations[transactionId][owners[i]])\n                count += 1;\n            if (count == required)\n                return true;\n        }\n    }\n\n    /*\n     * Internal functions\n     */\n    /// @dev Adds a new transaction to the transaction mapping, if transaction does not exist yet.\n    /// @param destination Transaction target address.\n    /// @param value Transaction ether value.\n    /// @param data Transaction data payload.\n    /// @return Returns transaction ID.\n    function addTransaction(address destination, uint value, bytes data)\n        internal\n        notNull(destination)\n        returns (uint transactionId)\n    {\n        transactionId = transactionCount;\n        transactions[transactionId] = Transaction({\n            destination: destination,\n            value: value,\n            data: data,\n            executed: false\n        });\n        transactionCount += 1;\n        Submission(transactionId);\n    }\n\n    /*\n     * Web3 call functions\n     */\n    /// @dev Returns number of confirmations of a transaction.\n    /// @param transactionId Transaction ID.\n    /// @return Number of confirmations.\n    function getConfirmationCount(uint transactionId)\n        public\n        constant\n        returns (uint count)\n    {\n        for (uint i=0; i<owners.length; i++)\n            if (confirmations[transactionId][owners[i]])\n                count += 1;\n    }\n\n    /// @dev Returns total number of transactions after filers are applied.\n    /// @param pending Include pending transactions.\n    /// @param executed Include executed transactions.\n    /// @return Total number of transactions after filters are applied.\n    function getTransactionCount(bool pending, bool executed)\n        public\n        constant\n        returns (uint count)\n    {\n        for (uint i=0; i<transactionCount; i++)\n            if (   pending && !transactions[i].executed\n                || executed && transactions[i].executed)\n                count += 1;\n    }\n\n    /// @dev Returns list of owners.\n    /// @return List of owner addresses.\n    function getOwners()\n        public\n        constant\n        returns (address[])\n    {\n        return owners;\n    }\n\n    /// @dev Returns array with owner addresses, which confirmed transaction.\n    /// @param transactionId Transaction ID.\n    /// @return Returns array of owner addresses.\n    function getConfirmations(uint transactionId)\n        public\n        constant\n        returns (address[] _confirmations)\n    {\n        address[] memory confirmationsTemp = new address[](owners.length);\n        uint count = 0;\n        uint i;\n        for (i=0; i<owners.length; i++)\n            if (confirmations[transactionId][owners[i]]) {\n                confirmationsTemp[count] = owners[i];\n                count += 1;\n            }\n        _confirmations = new address[](count);\n        for (i=0; i<count; i++)\n            _confirmations[i] = confirmationsTemp[i];\n    }\n\n    /// @dev Returns list of transaction IDs in defined range.\n    /// @param from Index start position of transaction array.\n    /// @param to Index end position of transaction array.\n    /// @param pending Include pending transactions.\n    /// @param executed Include executed transactions.\n    /// @return Returns array of transaction IDs.\n    function getTransactionIds(uint from, uint to, bool pending, bool executed)\n        public\n        constant\n        returns (uint[] _transactionIds)\n    {\n        uint[] memory transactionIdsTemp = new uint[](transactionCount);\n        uint count = 0;\n        uint i;\n        for (i=0; i<transactionCount; i++)\n            if (   pending && !transactions[i].executed\n                || executed && transactions[i].executed)\n            {\n                transactionIdsTemp[count] = i;\n                count += 1;\n            }\n        _transactionIds = new uint[](to - from);\n        for (i=from; i<to; i++)\n            _transactionIds[i - from] = transactionIdsTemp[i];\n    }\n}\n",
-		"2.0.0/multisig/MultiSigWalletWithTimeLock.sol": "/*\n\n  Copyright 2018 ZeroEx Intl.\n\n  Licensed under the Apache License, Version 2.0 (the \"License\");\n  you may not use this file except in compliance with the License.\n  You may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\n  Unless required by applicable law or agreed to in writing, software\n  distributed under the License is distributed on an \"AS IS\" BASIS,\n  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n  See the License for the specific language governing permissions and\n  limitations under the License.\n\n*/\n\n// solhint-disable\npragma solidity ^0.4.10;\n\nimport \"./MultiSigWallet.sol\";\n\n\n/// @title Multisignature wallet with time lock- Allows multiple parties to execute a transaction after a time lock has passed.\n/// @author Amir Bandeali - <amir@0xProject.com>\ncontract MultiSigWalletWithTimeLock is MultiSigWallet {\n\n    event ConfirmationTimeSet(uint indexed transactionId, uint confirmationTime);\n    event TimeLockChange(uint secondsTimeLocked);\n\n    uint public secondsTimeLocked;\n\n    mapping (uint => uint) public confirmationTimes;\n\n    modifier notFullyConfirmed(uint transactionId) {\n        require(!isConfirmed(transactionId));\n        _;\n    }\n\n    modifier fullyConfirmed(uint transactionId) {\n        require(isConfirmed(transactionId));\n        _;\n    }\n\n    modifier pastTimeLock(uint transactionId) {\n        require(block.timestamp >= confirmationTimes[transactionId] + secondsTimeLocked);\n        _;\n    }\n\n    /*\n     * Public functions\n     */\n\n    /// @dev Contract constructor sets initial owners, required number of confirmations, and time lock.\n    /// @param _owners List of initial owners.\n    /// @param _required Number of required confirmations.\n    /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n    function MultiSigWalletWithTimeLock(address[] _owners, uint _required, uint _secondsTimeLocked)\n        public\n        MultiSigWallet(_owners, _required)\n    {\n        secondsTimeLocked = _secondsTimeLocked;\n    }\n\n    /// @dev Changes the duration of the time lock for transactions.\n    /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.\n    function changeTimeLock(uint _secondsTimeLocked)\n        public\n        onlyWallet\n    {\n        secondsTimeLocked = _secondsTimeLocked;\n        TimeLockChange(_secondsTimeLocked);\n    }\n\n    /// @dev Allows an owner to confirm a transaction.\n    /// @param transactionId Transaction ID.\n    function confirmTransaction(uint transactionId)\n        public\n        ownerExists(msg.sender)\n        transactionExists(transactionId)\n        notConfirmed(transactionId, msg.sender)\n        notFullyConfirmed(transactionId)\n    {\n        confirmations[transactionId][msg.sender] = true;\n        Confirmation(msg.sender, transactionId);\n        if (isConfirmed(transactionId)) {\n            setConfirmationTime(transactionId, block.timestamp);\n        }\n    }\n\n    /// @dev Allows an owner to revoke a confirmation for a transaction.\n    /// @param transactionId Transaction ID.\n    function revokeConfirmation(uint transactionId)\n        public\n        ownerExists(msg.sender)\n        confirmed(transactionId, msg.sender)\n        notExecuted(transactionId)\n        notFullyConfirmed(transactionId)\n    {\n        confirmations[transactionId][msg.sender] = false;\n        Revocation(msg.sender, transactionId);\n    }\n\n    /// @dev Allows anyone to execute a confirmed transaction.\n    /// @param transactionId Transaction ID.\n    function executeTransaction(uint transactionId)\n        public\n        notExecuted(transactionId)\n        fullyConfirmed(transactionId)\n        pastTimeLock(transactionId)\n    {\n        Transaction storage tx = transactions[transactionId];\n        tx.executed = true;\n        if (tx.destination.call.value(tx.value)(tx.data))\n            Execution(transactionId);\n        else {\n            ExecutionFailure(transactionId);\n            tx.executed = false;\n        }\n    }\n\n    /*\n     * Internal functions\n     */\n\n    /// @dev Sets the time of when a submission first passed.\n    function setConfirmationTime(uint transactionId, uint confirmationTime)\n        internal\n    {\n        confirmationTimes[transactionId] = confirmationTime;\n        ConfirmationTimeSet(transactionId, confirmationTime);\n    }\n}\n"
-	},
-	"sourceTreeHashHex": "0x7cb47ea5f197fd4d76a79a9f2680ae188849d8642c097a098b73da6133f966f4",
-	"compiler": {
-		"name": "solc",
-		"version": "soljson-v0.4.24+commit.e67f0147.js",
-		"settings": {
-			"optimizer": {
-				"enabled": true,
-				"runs": 1000000
-			},
-			"outputSelection": {
-				"*": {
-					"*": [
-						"abi",
-						"evm.bytecode.object",
-						"evm.bytecode.sourceMap",
-						"evm.deployedBytecode.object",
-						"evm.deployedBytecode.sourceMap"
-					]
-				}
-			}
-		}
-	},
-	"networks": {}
-}
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/WETH9.json b/packages/migrations/artifacts/2.0.0/WETH9.json
index 5b9e11425..721dbe291 100644
--- a/packages/migrations/artifacts/2.0.0/WETH9.json
+++ b/packages/migrations/artifacts/2.0.0/WETH9.json
@@ -326,11 +326,5 @@
 			}
 		}
 	},
-	"networks": {
-		"50": {
-			"address": "0x0b1ba0af832d7c05fd64161e0db78e85978e8082",
-			"links": {},
-			"constructorArgs": "[]"
-		}
-	}
+	"networks": {}
 }
\ No newline at end of file
diff --git a/packages/migrations/artifacts/2.0.0/ZRXToken.json b/packages/migrations/artifacts/2.0.0/ZRXToken.json
index 0ce91c1c1..becbb83df 100644
--- a/packages/migrations/artifacts/2.0.0/ZRXToken.json
+++ b/packages/migrations/artifacts/2.0.0/ZRXToken.json
@@ -10028,4 +10028,4 @@
 			"constructorArgs": "[]"
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index a399f5ea1..776bd67ec 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -1,5 +1,19 @@
 [
     {
+        "version": "1.0.1-rc.3",
+        "changes": [
+            {
+                "note":
+                    "Added a synchronous `createOrder` method in `orderFactory`, updated public interfaces to support some optional parameters",
+                "pr": 936
+            },
+            {
+                "note": "Added marketUtils",
+                "pr": 937
+            }
+        ]
+    },
+    {
         "version": "1.0.1-rc.2",
         "changes": [
             {
diff --git a/packages/order-utils/src/constants.ts b/packages/order-utils/src/constants.ts
index bb7482184..c23578c20 100644
--- a/packages/order-utils/src/constants.ts
+++ b/packages/order-utils/src/constants.ts
@@ -2,6 +2,7 @@ import { BigNumber } from '@0xproject/utils';
 
 export const constants = {
     NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+    NULL_BYTES: '0x',
     // tslint:disable-next-line:custom-no-magic-numbers
     UNLIMITED_ALLOWANCE_IN_BASE_UNITS: new BigNumber(2).pow(256).minus(1),
     TESTRPC_NETWORK_ID: 50,
@@ -10,4 +11,6 @@ export const constants = {
     ERC721_ASSET_DATA_MINIMUM_BYTE_LENGTH: 53,
     SELECTOR_LENGTH: 4,
     BASE_16: 16,
+    INFINITE_TIMESTAMP_SEC: new BigNumber(2524604400), // Close to infinite
+    ZERO_AMOUNT: new BigNumber(0),
 };
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
index 76be63bb8..858f500c6 100644
--- a/packages/order-utils/src/index.ts
+++ b/packages/order-utils/src/index.ts
@@ -13,7 +13,15 @@ export { orderFactory } from './order_factory';
 export { constants } from './constants';
 export { crypto } from './crypto';
 export { generatePseudoRandomSalt } from './salt';
-export { OrderError, MessagePrefixType, MessagePrefixOpts, EIP712Parameter, EIP712Schema, EIP712Types } from './types';
+export {
+    CreateOrderOpts,
+    OrderError,
+    MessagePrefixType,
+    MessagePrefixOpts,
+    EIP712Parameter,
+    EIP712Schema,
+    EIP712Types,
+} from './types';
 export { AbstractBalanceAndProxyAllowanceFetcher } from './abstract/abstract_balance_and_proxy_allowance_fetcher';
 export { AbstractOrderFilledCancelledFetcher } from './abstract/abstract_order_filled_cancelled_fetcher';
 export { BalanceAndProxyAllowanceLazyStore } from './store/balance_and_proxy_allowance_lazy_store';
@@ -24,3 +32,4 @@ export { assetDataUtils } from './asset_data_utils';
 export { EIP712Utils } from './eip712_utils';
 export { OrderValidationUtils } from './order_validation_utils';
 export { ExchangeTransferSimulator } from './exchange_transfer_simulator';
+export { marketUtils } from './market_utils';
diff --git a/packages/order-utils/src/market_utils.ts b/packages/order-utils/src/market_utils.ts
new file mode 100644
index 000000000..681059ddf
--- /dev/null
+++ b/packages/order-utils/src/market_utils.ts
@@ -0,0 +1,133 @@
+import { schemas } from '@0xproject/json-schemas';
+import { SignedOrder } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+
+import { assert } from './assert';
+import { constants } from './constants';
+
+export const marketUtils = {
+    /**
+     * Takes an array of orders and returns a subset of those orders that has enough makerAssetAmount (taking into account on-chain balances,
+     * allowances, and partial fills) in order to fill the input makerAssetFillAmount plus slippageBufferAmount. Iterates from first order to last.
+     * Sort the input by ascending rate in order to get the subset of orders that will cost the least ETH.
+     * @param   signedOrders                        An array of objects that conform to the SignedOrder interface. All orders should specify the same makerAsset.
+     *                                              All orders should specify WETH as the takerAsset.
+     * @param   remainingFillableMakerAssetAmounts  An array of BigNumbers corresponding to the signedOrders parameter.
+     *                                              You can use OrderStateUtils @0xproject/order-utils to perform blockchain lookups
+     *                                              for these values.
+     * @param   makerAssetFillAmount                The amount of makerAsset desired to be filled.
+     * @param   slippageBufferAmount                An additional amount of makerAsset to be covered by the result in case of trade collisions or partial fills.
+     * @return  Resulting orders and remaining fill amount that could not be covered by the input.
+     */
+    findOrdersThatCoverMakerAssetFillAmount(
+        signedOrders: SignedOrder[],
+        remainingFillableMakerAssetAmounts: BigNumber[],
+        makerAssetFillAmount: BigNumber,
+        slippageBufferAmount: BigNumber = constants.ZERO_AMOUNT,
+    ): { resultOrders: SignedOrder[]; remainingFillAmount: BigNumber } {
+        assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+        _.forEach(remainingFillableMakerAssetAmounts, (amount, index) =>
+            assert.isValidBaseUnitAmount(`remainingFillableMakerAssetAmount[${index}]`, amount),
+        );
+        assert.isValidBaseUnitAmount('makerAssetFillAmount', makerAssetFillAmount);
+        assert.isValidBaseUnitAmount('slippageBufferAmount', slippageBufferAmount);
+        assert.assert(
+            signedOrders.length === remainingFillableMakerAssetAmounts.length,
+            'Expected signedOrders.length to equal remainingFillableMakerAssetAmounts.length',
+        );
+        // calculate total amount of makerAsset needed to be filled
+        const totalFillAmount = makerAssetFillAmount.plus(slippageBufferAmount);
+        // iterate through the signedOrders input from left to right until we have enough makerAsset to fill totalFillAmount
+        const result = _.reduce(
+            signedOrders,
+            ({ resultOrders, remainingFillAmount }, order, index) => {
+                if (remainingFillAmount.lessThanOrEqualTo(constants.ZERO_AMOUNT)) {
+                    return { resultOrders, remainingFillAmount: constants.ZERO_AMOUNT };
+                } else {
+                    const makerAssetAmountAvailable = remainingFillableMakerAssetAmounts[index];
+                    // if there is no makerAssetAmountAvailable do not append order to resultOrders
+                    // if we have exceeded the total amount we want to fill set remainingFillAmount to 0
+                    return {
+                        resultOrders: makerAssetAmountAvailable.gt(constants.ZERO_AMOUNT)
+                            ? _.concat(resultOrders, order)
+                            : resultOrders,
+                        remainingFillAmount: BigNumber.max(
+                            constants.ZERO_AMOUNT,
+                            remainingFillAmount.minus(makerAssetAmountAvailable),
+                        ),
+                    };
+                }
+            },
+            { resultOrders: [] as SignedOrder[], remainingFillAmount: totalFillAmount },
+        );
+        return result;
+    },
+    /**
+     * Takes an array of orders and an array of feeOrders. Returns a subset of the feeOrders that has enough ZRX (taking into account
+     * on-chain balances, allowances, and partial fills) in order to fill the takerFees required by signedOrders plus a
+     * slippageBufferAmount. Iterates from first feeOrder to last. Sort the feeOrders by ascending rate in order to get the subset of
+     * feeOrders that will cost the least ETH.
+     * @param   signedOrders                        An array of objects that conform to the SignedOrder interface. All orders should specify ZRX as
+     *                                              the makerAsset and WETH as the takerAsset.
+     * @param   remainingFillableMakerAssetAmounts  An array of BigNumbers corresponding to the signedOrders parameter.
+     *                                              You can use OrderStateUtils @0xproject/order-utils to perform blockchain lookups
+     *                                              for these values.
+     * @param   signedFeeOrders                     An array of objects that conform to the SignedOrder interface. All orders should specify ZRX as
+     *                                              the makerAsset and WETH as the takerAsset.
+     * @param   remainingFillableFeeAmounts         An array of BigNumbers corresponding to the signedFeeOrders parameter.
+     *                                              You can use OrderStateUtils @0xproject/order-utils to perform blockchain lookups
+     *                                              for these values.
+     * @param   slippageBufferAmount                An additional amount of fee to be covered by the result in case of trade collisions or partial fills.
+     * @return  Resulting orders and remaining fee amount that could not be covered by the input.
+     */
+    findFeeOrdersThatCoverFeesForTargetOrders(
+        signedOrders: SignedOrder[],
+        remainingFillableMakerAssetAmounts: BigNumber[],
+        signedFeeOrders: SignedOrder[],
+        remainingFillableFeeAmounts: BigNumber[],
+        slippageBufferAmount: BigNumber = constants.ZERO_AMOUNT,
+    ): { resultOrders: SignedOrder[]; remainingFeeAmount: BigNumber } {
+        assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
+        _.forEach(remainingFillableMakerAssetAmounts, (amount, index) =>
+            assert.isValidBaseUnitAmount(`remainingFillableMakerAssetAmount[${index}]`, amount),
+        );
+        assert.doesConformToSchema('signedFeeOrders', signedFeeOrders, schemas.signedOrdersSchema);
+        _.forEach(remainingFillableFeeAmounts, (amount, index) =>
+            assert.isValidBaseUnitAmount(`remainingFillableFeeAmounts[${index}]`, amount),
+        );
+        assert.isValidBaseUnitAmount('slippageBufferAmount', slippageBufferAmount);
+        assert.assert(
+            signedOrders.length === remainingFillableMakerAssetAmounts.length,
+            'Expected signedOrders.length to equal remainingFillableMakerAssetAmounts.length',
+        );
+        assert.assert(
+            signedOrders.length === remainingFillableMakerAssetAmounts.length,
+            'Expected signedFeeOrders.length to equal remainingFillableFeeAmounts.length',
+        );
+        // calculate total amount of ZRX needed to fill signedOrders
+        const totalFeeAmount = _.reduce(
+            signedOrders,
+            (accFees, order, index) => {
+                const makerAssetAmountAvailable = remainingFillableMakerAssetAmounts[index];
+                const feeToFillMakerAssetAmountAvailable = makerAssetAmountAvailable
+                    .mul(order.takerFee)
+                    .div(order.makerAssetAmount);
+                return accFees.plus(feeToFillMakerAssetAmountAvailable);
+            },
+            constants.ZERO_AMOUNT,
+        );
+        const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+            signedFeeOrders,
+            remainingFillableFeeAmounts,
+            totalFeeAmount,
+            slippageBufferAmount,
+        );
+        return {
+            resultOrders,
+            remainingFeeAmount: remainingFillAmount,
+        };
+        // TODO: add more orders here to cover rounding
+        // https://github.com/0xProject/0x-protocol-specification/blob/master/v2/forwarding-contract-specification.md#over-buying-zrx
+    },
+};
diff --git a/packages/order-utils/src/order_factory.ts b/packages/order-utils/src/order_factory.ts
index 803cb82b1..14727fd97 100644
--- a/packages/order-utils/src/order_factory.ts
+++ b/packages/order-utils/src/order_factory.ts
@@ -1,49 +1,63 @@
-import { ECSignature, SignedOrder } from '@0xproject/types';
+import { ECSignature, Order, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import { Provider } from 'ethereum-types';
 import * as ethUtil from 'ethereumjs-util';
 import * as _ from 'lodash';
 
+import { constants } from './constants';
 import { orderHashUtils } from './order_hash';
 import { generatePseudoRandomSalt } from './salt';
 import { ecSignOrderHashAsync } from './signature_utils';
-import { MessagePrefixType } from './types';
+import { CreateOrderOpts, MessagePrefixType } from './types';
 
 export const orderFactory = {
-    async createSignedOrderAsync(
-        provider: Provider,
+    createOrder(
         makerAddress: string,
-        takerAddress: string,
-        senderAddress: string,
-        makerFee: BigNumber,
-        takerFee: BigNumber,
         makerAssetAmount: BigNumber,
         makerAssetData: string,
         takerAssetAmount: BigNumber,
         takerAssetData: string,
         exchangeAddress: string,
-        feeRecipientAddress: string,
-        expirationTimeSecondsIfExists?: BigNumber,
-    ): Promise<SignedOrder> {
-        const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite
-        const expirationTimeSeconds = _.isUndefined(expirationTimeSecondsIfExists)
-            ? defaultExpirationUnixTimestampSec
-            : expirationTimeSecondsIfExists;
+        createOrderOpts: CreateOrderOpts = generateDefaultCreateOrderOpts(),
+    ): Order {
+        const defaultCreateOrderOpts = generateDefaultCreateOrderOpts();
         const order = {
             makerAddress,
-            takerAddress,
-            senderAddress,
-            makerFee,
-            takerFee,
             makerAssetAmount,
             takerAssetAmount,
             makerAssetData,
             takerAssetData,
-            salt: generatePseudoRandomSalt(),
             exchangeAddress,
-            feeRecipientAddress,
-            expirationTimeSeconds,
+            takerAddress: createOrderOpts.takerAddress || defaultCreateOrderOpts.takerAddress,
+            senderAddress: createOrderOpts.senderAddress || defaultCreateOrderOpts.senderAddress,
+            makerFee: createOrderOpts.makerFee || defaultCreateOrderOpts.makerFee,
+            takerFee: createOrderOpts.takerFee || defaultCreateOrderOpts.takerFee,
+            feeRecipientAddress: createOrderOpts.feeRecipientAddress || defaultCreateOrderOpts.feeRecipientAddress,
+            salt: createOrderOpts.salt || defaultCreateOrderOpts.salt,
+            expirationTimeSeconds:
+                createOrderOpts.expirationTimeSeconds || defaultCreateOrderOpts.expirationTimeSeconds,
         };
+        return order;
+    },
+    async createSignedOrderAsync(
+        provider: Provider,
+        makerAddress: string,
+        makerAssetAmount: BigNumber,
+        makerAssetData: string,
+        takerAssetAmount: BigNumber,
+        takerAssetData: string,
+        exchangeAddress: string,
+        createOrderOpts?: CreateOrderOpts,
+    ): Promise<SignedOrder> {
+        const order = orderFactory.createOrder(
+            makerAddress,
+            makerAssetAmount,
+            makerAssetData,
+            takerAssetAmount,
+            takerAssetData,
+            exchangeAddress,
+            createOrderOpts,
+        );
         const orderHash = orderHashUtils.getOrderHashHex(order);
         const messagePrefixOpts = {
             prefixType: MessagePrefixType.EthSign,
@@ -56,6 +70,26 @@ export const orderFactory = {
     },
 };
 
+function generateDefaultCreateOrderOpts(): {
+    takerAddress: string;
+    senderAddress: string;
+    makerFee: BigNumber;
+    takerFee: BigNumber;
+    feeRecipientAddress: string;
+    salt: BigNumber;
+    expirationTimeSeconds: BigNumber;
+} {
+    return {
+        takerAddress: constants.NULL_ADDRESS,
+        senderAddress: constants.NULL_ADDRESS,
+        makerFee: constants.ZERO_AMOUNT,
+        takerFee: constants.ZERO_AMOUNT,
+        feeRecipientAddress: constants.NULL_ADDRESS,
+        salt: generatePseudoRandomSalt(),
+        expirationTimeSeconds: constants.INFINITE_TIMESTAMP_SEC,
+    };
+}
+
 function getVRSHexString(ecSignature: ECSignature): string {
     const ETH_SIGN_SIGNATURE_TYPE = '03';
     const vrs = `${intToHex(ecSignature.v)}${ethUtil.stripHexPrefix(ecSignature.r)}${ethUtil.stripHexPrefix(
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
index b08e74e71..f44e94349 100644
--- a/packages/order-utils/src/types.ts
+++ b/packages/order-utils/src/types.ts
@@ -1,3 +1,5 @@
+import { BigNumber } from '@0xproject/utils';
+
 export enum OrderError {
     InvalidSignature = 'INVALID_SIGNATURE',
 }
@@ -51,3 +53,13 @@ export enum EIP712Types {
     String = 'string',
     Uint256 = 'uint256',
 }
+
+export interface CreateOrderOpts {
+    takerAddress?: string;
+    senderAddress?: string;
+    makerFee?: BigNumber;
+    takerFee?: BigNumber;
+    feeRecipientAddress?: string;
+    salt?: BigNumber;
+    expirationTimeSeconds?: BigNumber;
+}
diff --git a/packages/order-utils/test/market_utils_test.ts b/packages/order-utils/test/market_utils_test.ts
new file mode 100644
index 000000000..21c0a4802
--- /dev/null
+++ b/packages/order-utils/test/market_utils_test.ts
@@ -0,0 +1,280 @@
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { constants, marketUtils } from '../src';
+
+import { chaiSetup } from './utils/chai_setup';
+import { testOrderFactory } from './utils/test_order_factory';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+// tslint:disable: no-unused-expression
+describe('marketUtils', () => {
+    describe('#findOrdersThatCoverMakerAssetFillAmount', () => {
+        describe('no orders', () => {
+            it('returns empty and unchanged remainingFillAmount', async () => {
+                const fillAmount = new BigNumber(10);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    [],
+                    [],
+                    fillAmount,
+                );
+                expect(resultOrders).to.be.empty;
+                expect(remainingFillAmount).to.be.bignumber.equal(fillAmount);
+            });
+        });
+        describe('orders are completely fillable', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            const makerAssetAmount = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that equal the makerAssetAmount
+            const remainingFillableMakerAssetAmounts = [makerAssetAmount, makerAssetAmount, makerAssetAmount];
+            it('returns input orders and zero remainingFillAmount when input exactly matches requested fill amount', async () => {
+                // try to fill 20 units of makerAsset
+                // include 10 units of slippageBufferAmount
+                const fillAmount = new BigNumber(20);
+                const slippageBufferAmount = new BigNumber(10);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                    slippageBufferAmount,
+                );
+                expect(resultOrders).to.be.deep.equal(inputOrders);
+                expect(remainingFillAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+            it('returns input orders and zero remainingFillAmount when input has more than requested fill amount', async () => {
+                // try to fill 15 units of makerAsset
+                // include 10 units of slippageBufferAmount
+                const fillAmount = new BigNumber(15);
+                const slippageBufferAmount = new BigNumber(10);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                    slippageBufferAmount,
+                );
+                expect(resultOrders).to.be.deep.equal(inputOrders);
+                expect(remainingFillAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+            it('returns input orders and non-zero remainingFillAmount when input has less than requested fill amount', async () => {
+                // try to fill 30 units of makerAsset
+                // include 5 units of slippageBufferAmount
+                const fillAmount = new BigNumber(30);
+                const slippageBufferAmount = new BigNumber(5);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                    slippageBufferAmount,
+                );
+                expect(resultOrders).to.be.deep.equal(inputOrders);
+                expect(remainingFillAmount).to.be.bignumber.equal(new BigNumber(5));
+            });
+            it('returns first order and zero remainingFillAmount when requested fill amount is exactly covered by the first order', async () => {
+                // try to fill 10 units of makerAsset
+                const fillAmount = new BigNumber(10);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                );
+                expect(resultOrders).to.be.deep.equal([inputOrders[0]]);
+                expect(remainingFillAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+            it('returns first two orders and zero remainingFillAmount when requested fill amount is over covered by the first two order', async () => {
+                // try to fill 15 units of makerAsset
+                const fillAmount = new BigNumber(15);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                );
+                expect(resultOrders).to.be.deep.equal([inputOrders[0], inputOrders[1]]);
+                expect(remainingFillAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+        });
+        describe('orders are partially fillable', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            const makerAssetAmount = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that cover different partial fill scenarios
+            // 1. order is completely filled already
+            // 2. order is partially fillable
+            // 3. order is completely fillable
+            const remainingFillableMakerAssetAmounts = [constants.ZERO_AMOUNT, new BigNumber(5), makerAssetAmount];
+            it('returns last two orders and non-zero remainingFillAmount when trying to fill original makerAssetAmounts', async () => {
+                // try to fill 30 units of makerAsset
+                const fillAmount = new BigNumber(30);
+                const { resultOrders, remainingFillAmount } = marketUtils.findOrdersThatCoverMakerAssetFillAmount(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    fillAmount,
+                );
+                expect(resultOrders).to.be.deep.equal([inputOrders[1], inputOrders[2]]);
+                expect(remainingFillAmount).to.be.bignumber.equal(new BigNumber(15));
+            });
+        });
+    });
+    describe('#findFeeOrdersThatCoverFeesForTargetOrders', () => {
+        // generate three signed fee orders each with 10 units of ZRX, 30 total
+        const zrxAmount = new BigNumber(10);
+        const inputFeeOrders = testOrderFactory.generateTestSignedOrders(
+            {
+                makerAssetAmount: zrxAmount,
+            },
+            3,
+        );
+        // generate remainingFillableFeeAmounts that equal the zrxAmount
+        const remainingFillableFeeAmounts = [zrxAmount, zrxAmount, zrxAmount];
+        describe('no target orders', () => {
+            it('returns empty and zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    [],
+                    [],
+                    inputFeeOrders,
+                    remainingFillableFeeAmounts,
+                );
+                expect(resultOrders).to.be.empty;
+                expect(remainingFeeAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+        });
+        describe('no fee orders', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            // each signed order requires 10 units of takerFee
+            const makerAssetAmount = new BigNumber(10);
+            const takerFee = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                    takerFee,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that equal the makerAssetAmount
+            const remainingFillableMakerAssetAmounts = [makerAssetAmount, makerAssetAmount, makerAssetAmount];
+            it('returns empty and non-zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    [],
+                    [],
+                );
+                expect(resultOrders).to.be.empty;
+                expect(remainingFeeAmount).to.be.bignumber.equal(new BigNumber(30));
+            });
+        });
+        describe('target orders have no fees', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            const makerAssetAmount = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that equal the makerAssetAmount
+            const remainingFillableMakerAssetAmounts = [makerAssetAmount, makerAssetAmount, makerAssetAmount];
+            it('returns empty and zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    inputFeeOrders,
+                    remainingFillableFeeAmounts,
+                );
+                expect(resultOrders).to.be.empty;
+                expect(remainingFeeAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+        });
+        describe('target orders require fees and are completely fillable', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            // each signed order requires 10 units of takerFee
+            const makerAssetAmount = new BigNumber(10);
+            const takerFee = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                    takerFee,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that equal the makerAssetAmount
+            const remainingFillableMakerAssetAmounts = [makerAssetAmount, makerAssetAmount, makerAssetAmount];
+            it('returns input fee orders and zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    inputFeeOrders,
+                    remainingFillableFeeAmounts,
+                );
+                expect(resultOrders).to.be.deep.equal(inputFeeOrders);
+                expect(remainingFeeAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+        });
+        describe('target orders require fees and are partially fillable', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            // each signed order requires 10 units of takerFee
+            const makerAssetAmount = new BigNumber(10);
+            const takerFee = new BigNumber(10);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                    takerFee,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that cover different partial fill scenarios
+            // 1. order is completely filled already
+            // 2. order is partially fillable
+            // 3. order is completely fillable
+            const remainingFillableMakerAssetAmounts = [constants.ZERO_AMOUNT, new BigNumber(5), makerAssetAmount];
+            it('returns first two input fee orders and zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    inputFeeOrders,
+                    remainingFillableFeeAmounts,
+                );
+                expect(resultOrders).to.be.deep.equal([inputFeeOrders[0], inputFeeOrders[1]]);
+                expect(remainingFeeAmount).to.be.bignumber.equal(constants.ZERO_AMOUNT);
+            });
+        });
+        describe('target orders require more fees than available', () => {
+            // generate three signed orders each with 10 units of makerAsset, 30 total
+            // each signed order requires 20 units of takerFee
+            const makerAssetAmount = new BigNumber(10);
+            const takerFee = new BigNumber(20);
+            const inputOrders = testOrderFactory.generateTestSignedOrders(
+                {
+                    makerAssetAmount,
+                    takerFee,
+                },
+                3,
+            );
+            // generate remainingFillableMakerAssetAmounts that equal the makerAssetAmount
+            const remainingFillableMakerAssetAmounts = [makerAssetAmount, makerAssetAmount, makerAssetAmount];
+            it('returns input fee orders and non-zero remainingFeeAmount', async () => {
+                const { resultOrders, remainingFeeAmount } = marketUtils.findFeeOrdersThatCoverFeesForTargetOrders(
+                    inputOrders,
+                    remainingFillableMakerAssetAmounts,
+                    inputFeeOrders,
+                    remainingFillableFeeAmounts,
+                );
+                expect(resultOrders).to.be.deep.equal(inputFeeOrders);
+                expect(remainingFeeAmount).to.be.bignumber.equal(new BigNumber(30));
+            });
+        });
+    });
+});
diff --git a/packages/order-utils/test/utils/test_order_factory.ts b/packages/order-utils/test/utils/test_order_factory.ts
new file mode 100644
index 000000000..75dc6f1f2
--- /dev/null
+++ b/packages/order-utils/test/utils/test_order_factory.ts
@@ -0,0 +1,32 @@
+import { Order, SignedOrder } from '@0xproject/types';
+import * as _ from 'lodash';
+
+import { constants, orderFactory } from '../../src';
+
+const BASE_TEST_ORDER: Order = orderFactory.createOrder(
+    constants.NULL_ADDRESS,
+    constants.ZERO_AMOUNT,
+    constants.NULL_ADDRESS,
+    constants.ZERO_AMOUNT,
+    constants.NULL_ADDRESS,
+    constants.NULL_ADDRESS,
+);
+const BASE_TEST_SIGNED_ORDER: SignedOrder = {
+    ...BASE_TEST_ORDER,
+    signature: constants.NULL_BYTES,
+};
+
+export const testOrderFactory = {
+    generateTestSignedOrder(partialOrder: Partial<SignedOrder>): SignedOrder {
+        return transformObject(BASE_TEST_SIGNED_ORDER, partialOrder);
+    },
+    generateTestSignedOrders(partialOrder: Partial<SignedOrder>, numOrders: number): SignedOrder[] {
+        const baseTestOrders = _.map(_.range(numOrders), () => BASE_TEST_SIGNED_ORDER);
+        return _.map(baseTestOrders, order => transformObject(order, partialOrder));
+    },
+};
+
+function transformObject<T>(input: T, transformation: Partial<T>): T {
+    const copy = _.cloneDeep(input);
+    return _.assign(copy, transformation);
+}
diff --git a/packages/sol-resolver/CHANGELOG.json b/packages/sol-resolver/CHANGELOG.json
index 114cf2ce6..abce53d09 100644
--- a/packages/sol-resolver/CHANGELOG.json
+++ b/packages/sol-resolver/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "1.0.5",
+        "changes": [
+            {
+                "note": "Fix a bug where RelativeFSResolver would crash when trying to read a directory",
+                "pr": 909
+            }
+        ]
+    },
+    {
         "timestamp": 1532619515,
         "version": "1.0.4",
         "changes": [
diff --git a/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
index 77103b8c1..ed96040d3 100644
--- a/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
+++ b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
@@ -14,7 +14,7 @@ export class RelativeFSResolver extends Resolver {
     // tslint:disable-next-line:prefer-function-over-method
     public resolveIfExists(importPath: string): ContractSource | undefined {
         const filePath = path.join(this._contractsDir, importPath);
-        if (fs.existsSync(filePath)) {
+        if (fs.existsSync(filePath) && !fs.lstatSync(filePath).isDirectory()) {
             const fileContent = fs.readFileSync(filePath).toString();
             return {
                 source: fileContent,
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 90291a172..7774b61b0 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -213,6 +213,7 @@ export enum RevertReason {
     ValueGreaterThanZero = 'VALUE_GREATER_THAN_ZERO',
     InvalidMsgValue = 'INVALID_MSG_VALUE',
     InsufficientEthRemaining = 'INSUFFICIENT_ETH_REMAINING',
+    Uint256Overflow = 'UINT256_OVERFLOW',
 }
 
 export enum StatusCodes {
diff --git a/packages/utils/CHANGELOG.json b/packages/utils/CHANGELOG.json
index c5f82d73b..8abfbaf43 100644
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "1.0.5",
+        "changes": [
+            {
+                "note": "Increased BigNumber decimal precision from 20 to 78",
+                "pr": 807
+            }
+        ]
+    },
+    {
         "timestamp": 1532619515,
         "version": "1.0.4",
         "changes": [
diff --git a/packages/utils/src/configured_bignumber.ts b/packages/utils/src/configured_bignumber.ts
index e44c062c2..2b22b6938 100644
--- a/packages/utils/src/configured_bignumber.ts
+++ b/packages/utils/src/configured_bignumber.ts
@@ -1,9 +1,14 @@
 import { BigNumber } from 'bignumber.js';
 
-// By default BigNumber's `toString` method converts to exponential notation if the value has
-// more then 20 digits. We want to avoid this behavior, so we set EXPONENTIAL_AT to a high number
 BigNumber.config({
+    // By default BigNumber's `toString` method converts to exponential notation if the value has
+    // more then 20 digits. We want to avoid this behavior, so we set EXPONENTIAL_AT to a high number
     EXPONENTIAL_AT: 1000,
+    // Note(albrow): This is the lowest value for which
+    // `x.div(y).floor() === x.divToInt(y)`
+    // for all values of x and y <= MAX_UINT256, where MAX_UINT256 is the
+    // maximum number represented by the uint256 type in Solidity (2^256-1).
+    DECIMAL_PLACES: 78,
 });
 
 export { BigNumber };
diff --git a/packages/website/package.json b/packages/website/package.json
index 12c729308..13f1f5372 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -46,6 +46,7 @@
         "react-copy-to-clipboard": "^4.2.3",
         "react-document-title": "^2.0.3",
         "react-dom": "15.6.1",
+        "react-helmet": "^5.2.0",
         "react-popper": "^1.0.0-beta.6",
         "react-redux": "^5.0.3",
         "react-router-dom": "^4.1.1",
@@ -75,6 +76,7 @@
         "@types/react": "16.3.13",
         "@types/react-copy-to-clipboard": "^4.2.0",
         "@types/react-dom": "^16.0.3",
+        "@types/react-helmet": "^5.0.6",
         "@types/react-redux": "^4.4.37",
         "@types/react-router-dom": "^4.0.4",
         "@types/react-scroll": "0.0.31",
diff --git a/packages/website/ts/components/inputs/allowance_state_toggle.tsx b/packages/website/ts/components/inputs/allowance_state_toggle.tsx
new file mode 100644
index 000000000..39d2e3030
--- /dev/null
+++ b/packages/website/ts/components/inputs/allowance_state_toggle.tsx
@@ -0,0 +1,160 @@
+import { colors } from '@0xproject/react-shared';
+import { BigNumber, logUtils } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as React from 'react';
+import ReactTooltip = require('react-tooltip');
+import { Blockchain } from 'ts/blockchain';
+import { AllowanceState, AllowanceStateView } from 'ts/components/ui/allowance_state_view';
+import { Container } from 'ts/components/ui/container';
+import { PointerDirection } from 'ts/components/ui/pointer';
+import { Text } from 'ts/components/ui/text';
+import { Dispatcher } from 'ts/redux/dispatcher';
+import { BalanceErrs, Token, TokenState } from 'ts/types';
+import { analytics } from 'ts/utils/analytics';
+import { errorReporter } from 'ts/utils/error_reporter';
+import { utils } from 'ts/utils/utils';
+
+export interface AllowanceStateToggleProps {
+    networkId: number;
+    blockchain: Blockchain;
+    dispatcher: Dispatcher;
+    token: Token;
+    tokenState: TokenState;
+    userAddress: string;
+    onErrorOccurred?: (errType: BalanceErrs) => void;
+    refetchTokenStateAsync: () => Promise<void>;
+    tooltipDirection?: PointerDirection;
+}
+
+export interface AllowanceStateToggleState {
+    allowanceState: AllowanceState;
+    prevTokenState: TokenState;
+    loadingMessage?: string;
+}
+
+const DEFAULT_ALLOWANCE_AMOUNT_IN_BASE_UNITS = new BigNumber(2).pow(256).minus(1);
+
+export class AllowanceStateToggle extends React.Component<AllowanceStateToggleProps, AllowanceStateToggleState> {
+    public static defaultProps = {
+        onErrorOccurred: _.noop.bind(_),
+        tooltipDirection: PointerDirection.Right,
+    };
+    private static _getAllowanceState(tokenState: TokenState): AllowanceState {
+        if (!tokenState.isLoaded) {
+            return AllowanceState.Loading;
+        }
+        if (tokenState.allowance.gt(0)) {
+            return AllowanceState.Unlocked;
+        }
+        return AllowanceState.Locked;
+    }
+    constructor(props: AllowanceStateToggleProps) {
+        super(props);
+        const tokenState = props.tokenState;
+        this.state = {
+            allowanceState: AllowanceStateToggle._getAllowanceState(tokenState),
+            prevTokenState: tokenState,
+        };
+    }
+
+    public render(): React.ReactNode {
+        const tooltipId = `tooltip-id-${this.props.token.symbol}`;
+        return (
+            <Container cursor="pointer">
+                <ReactTooltip id={tooltipId} effect="solid" offset={{ top: 3 }}>
+                    {this._getTooltipContent()}
+                </ReactTooltip>
+                <div
+                    data-tip={true}
+                    data-for={tooltipId}
+                    data-place={this.props.tooltipDirection}
+                    onClick={this._onToggleAllowanceAsync.bind(this)}
+                >
+                    <AllowanceStateView allowanceState={this.state.allowanceState} />
+                </div>
+            </Container>
+        );
+    }
+    public componentWillReceiveProps(nextProps: AllowanceStateToggleProps): void {
+        const nextTokenState = nextProps.tokenState;
+        const prevTokenState = this.state.prevTokenState;
+        if (
+            !nextTokenState.allowance.eq(prevTokenState.allowance) ||
+            nextTokenState.isLoaded !== prevTokenState.isLoaded
+        ) {
+            const tokenState = nextProps.tokenState;
+            this.setState({
+                prevTokenState: tokenState,
+                allowanceState: AllowanceStateToggle._getAllowanceState(nextTokenState),
+            });
+        }
+    }
+    private _getTooltipContent(): React.ReactNode {
+        const symbol = this.props.token.symbol;
+        switch (this.state.allowanceState) {
+            case AllowanceState.Loading:
+                return (
+                    <Text noWrap={true} fontColor={colors.white}>
+                        {this.state.loadingMessage || 'Loading...'}
+                    </Text>
+                );
+            case AllowanceState.Locked:
+                return (
+                    <Text noWrap={true} fontColor={colors.white}>
+                        Click to enable <b>{symbol}</b> for trading
+                    </Text>
+                );
+            case AllowanceState.Unlocked:
+                return (
+                    <Text noWrap={true} fontColor={colors.white}>
+                        <b>{symbol}</b> is available for trading
+                    </Text>
+                );
+            default:
+                return null;
+        }
+    }
+    private async _onToggleAllowanceAsync(): Promise<void> {
+        // Close all tooltips
+        ReactTooltip.hide();
+        if (this.props.userAddress === '') {
+            this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
+            return;
+        }
+
+        let newAllowanceAmountInBaseUnits = new BigNumber(0);
+        if (!this._isAllowanceSet()) {
+            newAllowanceAmountInBaseUnits = DEFAULT_ALLOWANCE_AMOUNT_IN_BASE_UNITS;
+        }
+        const isUnlockingToken = newAllowanceAmountInBaseUnits.gt(0);
+        this.setState({
+            allowanceState: AllowanceState.Loading,
+            loadingMessage: `${isUnlockingToken ? 'Unlocking' : 'Locking'} ${this.props.token.symbol}`,
+        });
+        const logData = {
+            tokenSymbol: this.props.token.symbol,
+            newAllowance: newAllowanceAmountInBaseUnits.toNumber(),
+        };
+        try {
+            await this.props.blockchain.setProxyAllowanceAsync(this.props.token, newAllowanceAmountInBaseUnits);
+            analytics.track('Set Allowances Success', logData);
+            await this.props.refetchTokenStateAsync();
+        } catch (err) {
+            analytics.track('Set Allowance Failure', logData);
+            this.setState({
+                allowanceState: AllowanceStateToggle._getAllowanceState(this.state.prevTokenState),
+            });
+            const errMsg = `${err}`;
+            if (utils.didUserDenyWeb3Request(errMsg)) {
+                return;
+            }
+            logUtils.log(`Unexpected error encountered: ${err}`);
+            logUtils.log(err.stack);
+            this.props.onErrorOccurred(BalanceErrs.allowanceSettingFailed);
+            errorReporter.report(err);
+        }
+    }
+    private _isAllowanceSet(): boolean {
+        return !this.props.tokenState.allowance.eq(0);
+    }
+}
diff --git a/packages/website/ts/components/inputs/allowance_toggle.tsx b/packages/website/ts/components/inputs/allowance_toggle.tsx
deleted file mode 100644
index 05dce134a..000000000
--- a/packages/website/ts/components/inputs/allowance_toggle.tsx
+++ /dev/null
@@ -1,140 +0,0 @@
-import { Styles } from '@0xproject/react-shared';
-import { BigNumber, logUtils } from '@0xproject/utils';
-import * as _ from 'lodash';
-import Toggle from 'material-ui/Toggle';
-import * as React from 'react';
-import { Blockchain } from 'ts/blockchain';
-import { Dispatcher } from 'ts/redux/dispatcher';
-import { colors } from 'ts/style/colors';
-import { BalanceErrs, Token, TokenState } from 'ts/types';
-import { analytics } from 'ts/utils/analytics';
-import { errorReporter } from 'ts/utils/error_reporter';
-import { utils } from 'ts/utils/utils';
-
-const DEFAULT_ALLOWANCE_AMOUNT_IN_BASE_UNITS = new BigNumber(2).pow(256).minus(1);
-
-interface AllowanceToggleProps {
-    networkId: number;
-    blockchain: Blockchain;
-    dispatcher: Dispatcher;
-    token: Token;
-    tokenState: TokenState;
-    userAddress: string;
-    isDisabled?: boolean;
-    onErrorOccurred?: (errType: BalanceErrs) => void;
-    refetchTokenStateAsync: () => Promise<void>;
-}
-
-interface AllowanceToggleState {
-    isSpinnerVisible: boolean;
-    prevAllowance: BigNumber;
-}
-
-const styles: Styles = {
-    baseThumbStyle: {
-        height: 10,
-        width: 10,
-        top: 6,
-        backgroundColor: colors.white,
-        boxShadow: `0px 0px 0px ${colors.allowanceToggleShadow}`,
-    },
-    offThumbStyle: {
-        left: 4,
-    },
-    onThumbStyle: {
-        left: 25,
-    },
-    baseTrackStyle: {
-        width: 25,
-    },
-    offTrackStyle: {
-        backgroundColor: colors.grey300,
-    },
-    onTrackStyle: {
-        backgroundColor: colors.mediumBlue,
-    },
-};
-
-export class AllowanceToggle extends React.Component<AllowanceToggleProps, AllowanceToggleState> {
-    public static defaultProps = {
-        onErrorOccurred: _.noop.bind(_),
-        isDisabled: false,
-    };
-    constructor(props: AllowanceToggleProps) {
-        super(props);
-        this.state = {
-            isSpinnerVisible: false,
-            prevAllowance: props.tokenState.allowance,
-        };
-    }
-    public componentWillReceiveProps(nextProps: AllowanceToggleProps): void {
-        if (!nextProps.tokenState.allowance.eq(this.state.prevAllowance)) {
-            this.setState({
-                isSpinnerVisible: false,
-                prevAllowance: nextProps.tokenState.allowance,
-            });
-        }
-    }
-    public render(): React.ReactNode {
-        return (
-            <div className="flex">
-                <div>
-                    <Toggle
-                        disabled={this.state.isSpinnerVisible || this.props.isDisabled}
-                        toggled={this._isAllowanceSet()}
-                        onToggle={this._onToggleAllowanceAsync.bind(this)}
-                        thumbStyle={{ ...styles.baseThumbStyle, ...styles.offThumbStyle }}
-                        thumbSwitchedStyle={{ ...styles.baseThumbStyle, ...styles.onThumbStyle }}
-                        trackStyle={{ ...styles.baseTrackStyle, ...styles.offTrackStyle }}
-                        trackSwitchedStyle={{ ...styles.baseTrackStyle, ...styles.onTrackStyle }}
-                    />
-                </div>
-                {this.state.isSpinnerVisible && (
-                    <div className="pl1" style={{ paddingTop: 3 }}>
-                        <i className="zmdi zmdi-spinner zmdi-hc-spin" />
-                    </div>
-                )}
-            </div>
-        );
-    }
-    private async _onToggleAllowanceAsync(): Promise<void> {
-        if (this.props.userAddress === '') {
-            this.props.dispatcher.updateShouldBlockchainErrDialogBeOpen(true);
-            return;
-        }
-
-        this.setState({
-            isSpinnerVisible: true,
-        });
-
-        let newAllowanceAmountInBaseUnits = new BigNumber(0);
-        if (!this._isAllowanceSet()) {
-            newAllowanceAmountInBaseUnits = DEFAULT_ALLOWANCE_AMOUNT_IN_BASE_UNITS;
-        }
-        const logData = {
-            tokenSymbol: this.props.token.symbol,
-            newAllowance: newAllowanceAmountInBaseUnits.toNumber(),
-        };
-        try {
-            await this.props.blockchain.setProxyAllowanceAsync(this.props.token, newAllowanceAmountInBaseUnits);
-            analytics.track('Set Allowances Success', logData);
-            await this.props.refetchTokenStateAsync();
-        } catch (err) {
-            analytics.track('Set Allowance Failure', logData);
-            this.setState({
-                isSpinnerVisible: false,
-            });
-            const errMsg = `${err}`;
-            if (utils.didUserDenyWeb3Request(errMsg)) {
-                return;
-            }
-            logUtils.log(`Unexpected error encountered: ${err}`);
-            logUtils.log(err.stack);
-            this.props.onErrorOccurred(BalanceErrs.allowanceSettingFailed);
-            errorReporter.report(err);
-        }
-    }
-    private _isAllowanceSet(): boolean {
-        return !this.props.tokenState.allowance.eq(0);
-    }
-}
diff --git a/packages/website/ts/components/meta_tags.tsx b/packages/website/ts/components/meta_tags.tsx
new file mode 100644
index 000000000..f6c43d23f
--- /dev/null
+++ b/packages/website/ts/components/meta_tags.tsx
@@ -0,0 +1,25 @@
+import * as React from 'react';
+import { Helmet } from 'react-helmet';
+
+export interface MetaTagsProps {
+    title: string;
+    description: string;
+    imgSrc?: string;
+}
+
+export const MetaTags: React.StatelessComponent<MetaTagsProps> = ({ title, description, imgSrc }) => (
+    <Helmet>
+        <title>{title}</title>
+        <meta name="description" content={description} />
+        <meta property="og:title" content={title} />
+        <meta property="og:description" content={description} />
+        <meta property="og:type" content="website" />
+        <meta property="og:image" content={imgSrc} />
+        <meta name="twitter:site" content="@0xproject" />
+        <meta name="twitter:image" content={imgSrc} />
+    </Helmet>
+);
+
+MetaTags.defaultProps = {
+    imgSrc: '/images/og_image.png',
+};
diff --git a/packages/website/ts/components/onboarding/onboarding_tooltip.tsx b/packages/website/ts/components/onboarding/onboarding_tooltip.tsx
index 15d47908d..ff5f0bab6 100644
--- a/packages/website/ts/components/onboarding/onboarding_tooltip.tsx
+++ b/packages/website/ts/components/onboarding/onboarding_tooltip.tsx
@@ -24,7 +24,7 @@ export const OnboardingTooltip: React.StatelessComponent<OnboardingTooltipProps>
     );
 };
 OnboardingTooltip.defaultProps = {
-    pointerDisplay: 'left',
+    pointerDisplay: PointerDirection.Left,
 };
 
 OnboardingTooltip.displayName = 'OnboardingTooltip';
diff --git a/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx b/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
index f395674a1..522687758 100644
--- a/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
+++ b/packages/website/ts/components/onboarding/portal_onboarding_flow.tsx
@@ -21,7 +21,7 @@ import {
     WrapEthOnboardingStep2,
     WrapEthOnboardingStep3,
 } from 'ts/components/onboarding/wrap_eth_onboarding_step';
-import { AllowanceToggle } from 'ts/containers/inputs/allowance_toggle';
+import { AllowanceStateToggle } from 'ts/containers/inputs/allowance_state_toggle';
 import { BrowserType, ProviderType, ScreenWidths, Token, TokenByAddress, TokenStateByAddress } from 'ts/types';
 import { analytics } from 'ts/utils/analytics';
 import { utils } from 'ts/utils/utils';
@@ -149,8 +149,8 @@ class PlainPortalOnboardingFlow extends React.Component<PortalOnboardingFlowProp
                 title: 'Step 3: Unlock Tokens',
                 content: (
                     <SetAllowancesOnboardingStep
-                        zrxAllowanceToggle={this._renderZrxAllowanceToggle()}
-                        ethAllowanceToggle={this._renderEthAllowanceToggle()}
+                        zrxAllowanceToggle={this._renderZrxAllowanceStateToggle()}
+                        ethAllowanceToggle={this._renderEthAllowanceStateToggle()}
                         doesUserHaveAllowancesForWethAndZrx={this._doesUserHaveAllowancesForWethAndZrx()}
                     />
                 ),
@@ -243,15 +243,15 @@ class PlainPortalOnboardingFlow extends React.Component<PortalOnboardingFlowProp
             stepIndex: this.props.stepIndex,
         });
     }
-    private _renderZrxAllowanceToggle(): React.ReactNode {
+    private _renderZrxAllowanceStateToggle(): React.ReactNode {
         const zrxToken = utils.getZrxToken(this.props.tokenByAddress);
-        return this._renderAllowanceToggle(zrxToken);
+        return this._renderAllowanceStateToggle(zrxToken);
     }
-    private _renderEthAllowanceToggle(): React.ReactNode {
+    private _renderEthAllowanceStateToggle(): React.ReactNode {
         const ethToken = utils.getEthToken(this.props.tokenByAddress);
-        return this._renderAllowanceToggle(ethToken);
+        return this._renderAllowanceStateToggle(ethToken);
     }
-    private _renderAllowanceToggle(token: Token): React.ReactNode {
+    private _renderAllowanceStateToggle(token: Token): React.ReactNode {
         if (!token) {
             return null;
         }
@@ -260,10 +260,9 @@ class PlainPortalOnboardingFlow extends React.Component<PortalOnboardingFlowProp
             return null;
         }
         return (
-            <AllowanceToggle
+            <AllowanceStateToggle
                 token={token}
                 tokenState={tokenStateIfExists}
-                isDisabled={!tokenStateIfExists.isLoaded}
                 blockchain={this.props.blockchain}
                 // tslint:disable-next-line:jsx-no-lambda
                 refetchTokenStateAsync={async () => this.props.refetchTokenStateAsync(token.address)}
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx
index 1790a9678..ff11880e3 100644
--- a/packages/website/ts/components/portal/portal.tsx
+++ b/packages/website/ts/components/portal/portal.tsx
@@ -12,6 +12,7 @@ import { PortalDisclaimerDialog } from 'ts/components/dialogs/portal_disclaimer_
 import { EthWrappers } from 'ts/components/eth_wrappers';
 import { FillOrder } from 'ts/components/fill_order';
 import { AssetPicker } from 'ts/components/generate_order/asset_picker';
+import { MetaTags } from 'ts/components/meta_tags';
 import { BackButton } from 'ts/components/portal/back_button';
 import { Loading } from 'ts/components/portal/loading';
 import { Menu, MenuTheme } from 'ts/components/portal/menu';
@@ -24,6 +25,7 @@ import { TradeHistory } from 'ts/components/trade_history/trade_history';
 import { Container } from 'ts/components/ui/container';
 import { FlashMessage } from 'ts/components/ui/flash_message';
 import { Image } from 'ts/components/ui/image';
+import { PointerDirection } from 'ts/components/ui/pointer';
 import { Text } from 'ts/components/ui/text';
 import { Wallet } from 'ts/components/wallet/wallet';
 import { GenerateOrderForm } from 'ts/containers/generate_order_form';
@@ -107,6 +109,8 @@ const LEFT_COLUMN_WIDTH = 346;
 const MENU_PADDING_LEFT = 185;
 const LARGE_LAYOUT_MAX_WIDTH = 1200;
 const SIDE_PADDING = 20;
+const DOCUMENT_TITLE = '0x Portal';
+const DOCUMENT_DESCRIPTION = 'Learn about and trade on 0x Relayers';
 
 export class Portal extends React.Component<PortalProps, PortalState> {
     private _blockchain: Blockchain;
@@ -225,7 +229,8 @@ export class Portal extends React.Component<PortalProps, PortalState> {
                 : TokenVisibility.TRACKED;
         return (
             <Container>
-                <DocumentTitle title="0x Portal" />
+                <MetaTags title={DOCUMENT_TITLE} description={DOCUMENT_DESCRIPTION} />
+                <DocumentTitle title={DOCUMENT_TITLE} />
                 <TopBar
                     userAddress={this.props.userAddress}
                     networkId={this.props.networkId}
@@ -355,6 +360,9 @@ export class Portal extends React.Component<PortalProps, PortalState> {
                             onAddToken={this._onAddToken.bind(this)}
                             onRemoveToken={this._onRemoveToken.bind(this)}
                             refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this)}
+                            toggleTooltipDirection={
+                                this.props.isPortalOnboardingShowing ? PointerDirection.Left : PointerDirection.Right
+                            }
                         />
                     </Container>
                     {!isMobile && <Container marginTop="8px">{this._renderStartOnboarding()}</Container>}
diff --git a/packages/website/ts/components/token_balances.tsx b/packages/website/ts/components/token_balances.tsx
index 550438e76..969ef32ff 100644
--- a/packages/website/ts/components/token_balances.tsx
+++ b/packages/website/ts/components/token_balances.tsx
@@ -24,7 +24,7 @@ import { SendButton } from 'ts/components/send_button';
 import { HelpTooltip } from 'ts/components/ui/help_tooltip';
 import { LifeCycleRaisedButton } from 'ts/components/ui/lifecycle_raised_button';
 import { TokenIcon } from 'ts/components/ui/token_icon';
-import { AllowanceToggle } from 'ts/containers/inputs/allowance_toggle';
+import { AllowanceStateToggle } from 'ts/containers/inputs/allowance_state_toggle';
 import { trackedTokenStorage } from 'ts/local_storage/tracked_token_storage';
 import { Dispatcher } from 'ts/redux/dispatcher';
 import {
@@ -372,14 +372,15 @@ export class TokenBalances extends React.Component<TokenBalancesProps, TokenBala
                     )}
                 </TableRowColumn>
                 <TableRowColumn>
-                    <AllowanceToggle
-                        blockchain={this.props.blockchain}
-                        token={token}
-                        tokenState={tokenState}
-                        onErrorOccurred={this._onErrorOccurred.bind(this)}
-                        isDisabled={!tokenState.isLoaded}
-                        refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this, token.address)}
-                    />
+                    <div className="flex justify-center">
+                        <AllowanceStateToggle
+                            blockchain={this.props.blockchain}
+                            token={token}
+                            tokenState={tokenState}
+                            onErrorOccurred={this._onErrorOccurred.bind(this)}
+                            refetchTokenStateAsync={this._refetchTokenStateAsync.bind(this, token.address)}
+                        />
+                    </div>
                 </TableRowColumn>
                 {utils.isTestNetwork(this.props.networkId) && (
                     <TableRowColumn style={{ paddingLeft: actionPaddingX, paddingRight: actionPaddingX }}>
diff --git a/packages/website/ts/components/ui/allowance_state_view.tsx b/packages/website/ts/components/ui/allowance_state_view.tsx
new file mode 100644
index 000000000..93d6b0ebb
--- /dev/null
+++ b/packages/website/ts/components/ui/allowance_state_view.tsx
@@ -0,0 +1,51 @@
+import { colors } from '@0xproject/react-shared';
+import * as React from 'react';
+import { Container } from 'ts/components/ui/container';
+import { Spinner } from 'ts/components/ui/spinner';
+
+export enum AllowanceState {
+    Locked,
+    Unlocked,
+    Loading,
+}
+
+export interface AllowanceStateViewProps {
+    allowanceState: AllowanceState;
+}
+
+export const AllowanceStateView: React.StatelessComponent<AllowanceStateViewProps> = ({ allowanceState }) => {
+    switch (allowanceState) {
+        case AllowanceState.Locked:
+            return renderLock();
+        case AllowanceState.Unlocked:
+            return renderCheck();
+        case AllowanceState.Loading:
+            return (
+                <Container position="relative" top="3px" left="5px">
+                    <Spinner size={18} strokeSize={2} />
+                </Container>
+            );
+        default:
+            return null;
+    }
+};
+
+const renderCheck = (color: string = colors.lightGreen) => (
+    <svg width="17" height="17" viewBox="0 0 17 17" fill="none" xmlns="http://www.w3.org/2000/svg">
+        <circle cx="8.5" cy="8.5" r="8.5" fill={color} />
+        <path
+            d="M2.5 4.5L1.79289 5.20711L2.5 5.91421L3.20711 5.20711L2.5 4.5ZM-0.707107 2.70711L1.79289 5.20711L3.20711 3.79289L0.707107 1.29289L-0.707107 2.70711ZM3.20711 5.20711L7.70711 0.707107L6.29289 -0.707107L1.79289 3.79289L3.20711 5.20711Z"
+            transform="translate(5 6.5)"
+            fill="white"
+        />
+    </svg>
+);
+
+const renderLock = () => (
+    <svg width="12" height="15" viewBox="0 0 12 15" fill="none" xmlns="http://www.w3.org/2000/svg">
+        <path
+            d="M6 0C3.51604 0 1.48688 2.0495 1.48688 4.55837V5.86581C0.664723 5.86581 -3.33647e-08 6.53719 -3.33647e-08 7.36759V13.3217C-3.33647e-08 14.1521 0.664723 14.8235 1.48688 14.8235H10.5131C11.3353 14.8235 12 14.1521 12 13.3217V7.36759C12 6.53719 11.3353 5.86581 10.5131 5.86581V4.55837C10.5131 2.0495 8.48396 0 6 0ZM8.93878 5.86581H3.06122V4.55837C3.06122 2.9329 4.37318 1.59013 6 1.59013C7.62682 1.59013 8.93878 2.9329 8.93878 4.55837V5.86581Z"
+            fill="black"
+        />
+    </svg>
+);
diff --git a/packages/website/ts/components/ui/container.tsx b/packages/website/ts/components/ui/container.tsx
index 502069dee..f2ae68b70 100644
--- a/packages/website/ts/components/ui/container.tsx
+++ b/packages/website/ts/components/ui/container.tsx
@@ -32,8 +32,10 @@ export interface ContainerProps {
     bottom?: string;
     zIndex?: number;
     Tag?: ContainerTag;
+    cursor?: string;
     id?: string;
     onClick?: (event: React.MouseEvent<HTMLElement>) => void;
+    overflowX?: 'scroll' | 'hidden' | 'auto' | 'visible';
 }
 
 export const Container: React.StatelessComponent<ContainerProps> = props => {
diff --git a/packages/website/ts/components/ui/pointer.tsx b/packages/website/ts/components/ui/pointer.tsx
index 448786bb4..db0a4188d 100644
--- a/packages/website/ts/components/ui/pointer.tsx
+++ b/packages/website/ts/components/ui/pointer.tsx
@@ -2,7 +2,12 @@ import { colors } from '@0xproject/react-shared';
 import * as React from 'react';
 import { styled } from 'ts/style/theme';
 
-export type PointerDirection = 'top' | 'right' | 'bottom' | 'left';
+export enum PointerDirection {
+    Top = 'top',
+    Right = 'right',
+    Bottom = 'bottom',
+    Left = 'left',
+}
 
 export interface PointerProps {
     className?: string;
diff --git a/packages/website/ts/components/ui/spinner.tsx b/packages/website/ts/components/ui/spinner.tsx
new file mode 100644
index 000000000..e8670cc3e
--- /dev/null
+++ b/packages/website/ts/components/ui/spinner.tsx
@@ -0,0 +1,54 @@
+import { colors } from '@0xproject/react-shared';
+import * as React from 'react';
+import { styled } from 'ts/style/theme';
+
+import { dash, rotate } from 'ts/style/keyframes';
+
+interface SpinnerSvgProps {
+    color: string;
+    size: number;
+    viewBox?: string;
+}
+
+const SpinnerSvg: React.StatelessComponent<SpinnerSvgProps> = props => <svg {...props} />;
+
+const StyledSpinner = styled(SpinnerSvg)`
+    animation: ${rotate} 3s linear infinite;
+    margin: ${props => `-${props.size / 2}px 0 0 -${props.size / 2}px`};
+    margin-top: ${props => `-${props.size / 2}px`};
+    margin-left: ${props => `-${props.size / 2}px`};
+    margin-bottom: 0px;
+    margin-right: 0px;
+    size: ${props => `${props.size}px`};
+    height: ${props => `${props.size}px`};
+
+    & .path {
+        stroke: ${props => props.color};
+        stroke-linecap: round;
+        animation: ${dash} 2.5s ease-in-out infinite;
+    }
+`;
+
+export interface SpinnerProps {
+    size?: number;
+    strokeSize?: number;
+    color?: string;
+}
+
+export const Spinner: React.StatelessComponent<SpinnerProps> = ({ size, strokeSize, color }) => {
+    const c = size / 2;
+    const r = c - strokeSize;
+    return (
+        <StyledSpinner color={color} size={size} viewBox={`0 0 ${size} ${size}`}>
+            <circle className="path" cx={c} cy={c} r={r} fill="none" strokeWidth={strokeSize} />
+        </StyledSpinner>
+    );
+};
+
+Spinner.defaultProps = {
+    size: 50,
+    color: colors.mediumBlue,
+    strokeSize: 4,
+};
+
+Spinner.displayName = 'Spinner';
diff --git a/packages/website/ts/components/ui/text.tsx b/packages/website/ts/components/ui/text.tsx
index b71d8225b..734483564 100644
--- a/packages/website/ts/components/ui/text.tsx
+++ b/packages/website/ts/components/ui/text.tsx
@@ -19,6 +19,7 @@ export interface TextProps {
     textDecorationLine?: string;
     onClick?: (event: React.MouseEvent<HTMLElement>) => void;
     hoverColor?: string;
+    noWrap?: boolean;
 }
 
 const PlainText: React.StatelessComponent<TextProps> = ({ children, className, onClick, Tag }) => (
@@ -39,6 +40,7 @@ export const Text = styled(PlainText)`
     ${props => (props.minHeight ? `min-height: ${props.minHeight}` : '')};
     ${props => (props.onClick ? 'cursor: pointer' : '')};
     transition: color 0.5s ease;
+    ${props => (props.noWrap ? 'white-space: nowrap' : '')};
     &:hover {
         ${props => (props.onClick ? `color: ${props.hoverColor || darken(0.3, props.fontColor)}` : '')};
     }
@@ -53,6 +55,7 @@ Text.defaultProps = {
     lineHeight: '1.5em',
     textDecorationLine: 'none',
     Tag: 'div',
+    noWrap: false,
 };
 
 Text.displayName = 'Text';
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index 40a8a23ea..6abaa840b 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -14,6 +14,7 @@ import { DropDown, DropdownMouseEvent } from 'ts/components/ui/drop_down';
 import { IconButton } from 'ts/components/ui/icon_button';
 import { Identicon } from 'ts/components/ui/identicon';
 import { Island } from 'ts/components/ui/island';
+import { PointerDirection } from 'ts/components/ui/pointer';
 import {
     CopyAddressSimpleMenuItem,
     DifferentWalletSimpleMenuItem,
@@ -28,7 +29,7 @@ import { NullTokenRow } from 'ts/components/wallet/null_token_row';
 import { PlaceHolder } from 'ts/components/wallet/placeholder';
 import { StandardIconRow } from 'ts/components/wallet/standard_icon_row';
 import { WrapEtherItem } from 'ts/components/wallet/wrap_ether_item';
-import { AllowanceToggle } from 'ts/containers/inputs/allowance_toggle';
+import { AllowanceStateToggle } from 'ts/containers/inputs/allowance_state_toggle';
 import { Dispatcher } from 'ts/redux/dispatcher';
 import { colors } from 'ts/style/colors';
 import {
@@ -67,6 +68,7 @@ export interface WalletProps {
     onRemoveToken: () => void;
     refetchTokenStateAsync: (tokenAddress: string) => Promise<void>;
     style: React.CSSProperties;
+    toggleTooltipDirection?: PointerDirection;
 }
 
 interface WalletState {
@@ -74,14 +76,14 @@ interface WalletState {
     isHoveringSidebar: boolean;
 }
 
-interface AllowanceToggleConfig {
+interface AllowanceStateToggleConfig {
     token: Token;
     tokenState: TokenState;
 }
 
 interface AccessoryItemConfig {
     wrappedEtherDirection?: Side;
-    allowanceToggleConfig?: AllowanceToggleConfig;
+    allowanceStateToggleConfig?: AllowanceStateToggleConfig;
 }
 
 const ETHER_ICON_PATH = '/images/ether.png';
@@ -89,7 +91,8 @@ const ICON_DIMENSION = 28;
 const BODY_ITEM_KEY = 'BODY';
 const HEADER_ITEM_KEY = 'HEADER';
 const ETHER_ITEM_KEY = 'ETHER';
-const NO_ALLOWANCE_TOGGLE_SPACE_WIDTH = 56;
+const WRAP_ROW_ALLOWANCE_TOGGLE_WIDTH = 67;
+const ALLOWANCE_TOGGLE_WIDTH = 56;
 const PLACEHOLDER_COLOR = colors.grey300;
 const LOADING_ROWS_COUNT = 6;
 
@@ -338,7 +341,7 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
         );
         const accessoryItemConfig: AccessoryItemConfig = {
             wrappedEtherDirection,
-            allowanceToggleConfig: {
+            allowanceStateToggleConfig: {
                 token,
                 tokenState,
             },
@@ -393,13 +396,15 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
     }
     private _renderAccessoryItems(config: AccessoryItemConfig): React.ReactElement<{}> {
         const shouldShowWrappedEtherAction = !_.isUndefined(config.wrappedEtherDirection);
-        const shouldShowToggle = !_.isUndefined(config.allowanceToggleConfig);
+        const shouldShowToggle = !_.isUndefined(config.allowanceStateToggleConfig);
         // if we don't have a toggle, we still want some space to the right of the "wrap" button so that it aligns with
         // the "unwrap" button in the row below
-        const toggle = shouldShowToggle ? (
-            this._renderAllowanceToggle(config.allowanceToggleConfig)
-        ) : (
-            <div style={{ width: NO_ALLOWANCE_TOGGLE_SPACE_WIDTH }} />
+        const isWrapEtherRow = shouldShowWrappedEtherAction && config.wrappedEtherDirection === Side.Deposit;
+        const width = isWrapEtherRow ? WRAP_ROW_ALLOWANCE_TOGGLE_WIDTH : ALLOWANCE_TOGGLE_WIDTH;
+        const toggle = (
+            <Container className="flex justify-center" width={width}>
+                {shouldShowToggle && this._renderAllowanceToggle(config.allowanceStateToggleConfig)}
+            </Container>
         );
         return (
             <div className="flex items-center">
@@ -410,14 +415,14 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
             </div>
         );
     }
-    private _renderAllowanceToggle(config: AllowanceToggleConfig): React.ReactNode {
+    private _renderAllowanceToggle(config: AllowanceStateToggleConfig): React.ReactNode {
         // TODO: Error handling
         return (
-            <AllowanceToggle
+            <AllowanceStateToggle
                 blockchain={this.props.blockchain}
                 token={config.token}
                 tokenState={config.tokenState}
-                isDisabled={!config.tokenState.isLoaded}
+                tooltipDirection={this.props.toggleTooltipDirection}
                 refetchTokenStateAsync={async () => this.props.refetchTokenStateAsync(config.token.address)}
             />
         );
diff --git a/packages/website/ts/containers/inputs/allowance_toggle.ts b/packages/website/ts/containers/inputs/allowance_state_toggle.ts
index 545708f92..70712685e 100644
--- a/packages/website/ts/containers/inputs/allowance_toggle.ts
+++ b/packages/website/ts/containers/inputs/allowance_state_toggle.ts
@@ -2,19 +2,20 @@ import * as React from 'react';
 import { connect } from 'react-redux';
 import { Dispatch } from 'redux';
 import { Blockchain } from 'ts/blockchain';
+import { PointerDirection } from 'ts/components/ui/pointer';
 import { State } from 'ts/redux/reducer';
 import { BalanceErrs, Token, TokenState } from 'ts/types';
 
-import { AllowanceToggle as AllowanceToggleComponent } from 'ts/components/inputs/allowance_toggle';
+import { AllowanceStateToggle as AllowanceStateToggleComponent } from 'ts/components/inputs/allowance_state_toggle';
 import { Dispatcher } from 'ts/redux/dispatcher';
 
-interface AllowanceToggleProps {
+interface AllowanceStateToggleProps {
     blockchain: Blockchain;
     onErrorOccurred?: (errType: BalanceErrs) => void;
     token: Token;
     tokenState: TokenState;
-    isDisabled?: boolean;
     refetchTokenStateAsync: () => Promise<void>;
+    tooltipDirection?: PointerDirection;
 }
 
 interface ConnectedState {
@@ -26,7 +27,7 @@ interface ConnectedDispatch {
     dispatcher: Dispatcher;
 }
 
-const mapStateToProps = (state: State, _ownProps: AllowanceToggleProps): ConnectedState => ({
+const mapStateToProps = (state: State, _ownProps: AllowanceStateToggleProps): ConnectedState => ({
     networkId: state.networkId,
     userAddress: state.userAddress,
 });
@@ -35,7 +36,7 @@ const mapDispatchTopProps = (dispatch: Dispatch<State>): ConnectedDispatch => ({
     dispatcher: new Dispatcher(dispatch),
 });
 
-export const AllowanceToggle: React.ComponentClass<AllowanceToggleProps> = connect(
+export const AllowanceStateToggle: React.ComponentClass<AllowanceStateToggleProps> = connect(
     mapStateToProps,
     mapDispatchTopProps,
-)(AllowanceToggleComponent);
+)(AllowanceStateToggleComponent);
diff --git a/packages/website/ts/index.tsx b/packages/website/ts/index.tsx
index ed52e28d2..c6d10452f 100644
--- a/packages/website/ts/index.tsx
+++ b/packages/website/ts/index.tsx
@@ -4,6 +4,7 @@ import { render } from 'react-dom';
 import { Provider } from 'react-redux';
 import { BrowserRouter as Router, Redirect, Route, Switch } from 'react-router-dom';
 import * as injectTapEventPlugin from 'react-tap-event-plugin';
+import { MetaTags } from 'ts/components/meta_tags';
 import { About } from 'ts/containers/about';
 import { FAQ } from 'ts/containers/faq';
 import { Jobs } from 'ts/containers/jobs';
@@ -65,73 +66,85 @@ const LazyEthereumTypesDocumentation = createLazyComponent('Documentation', asyn
     System.import<any>(/* webpackChunkName: "ethereumTypesDocs" */ 'ts/containers/ethereum_types_documentation'),
 );
 
+const DOCUMENT_TITLE = '0x: The Protocol for Trading Tokens';
+const DOCUMENT_DESCRIPTION = 'An Open Protocol For Decentralized Exchange On The Ethereum Blockchain';
+
 render(
-    <Router>
-        <div>
-            <MuiThemeProvider muiTheme={muiTheme}>
-                <Provider store={store}>
-                    <div>
-                        <Switch>
-                            <Route exact={true} path="/" component={Landing as any} />
-                            <Redirect from="/otc" to={`${WebsitePaths.Portal}`} />
-                            <Route path={WebsitePaths.Careers} component={Jobs as any} />
-                            <Route path={WebsitePaths.Portal} component={LazyPortal} />
-                            <Route path={WebsitePaths.FAQ} component={FAQ as any} />
-                            <Route path={WebsitePaths.About} component={About as any} />
-                            <Route path={WebsitePaths.Wiki} component={Wiki as any} />
-                            <Route path={`${WebsitePaths.ZeroExJs}/:version?`} component={LazyZeroExJSDocumentation} />
-                            <Route path={`${WebsitePaths.Connect}/:version?`} component={LazyConnectDocumentation} />
-                            <Route
-                                path={`${WebsitePaths.SolCompiler}/:version?`}
-                                component={LazySolCompilerDocumentation}
-                            />
-                            <Route path={`${WebsitePaths.SolCov}/:version?`} component={LazySolCovDocumentation} />
-                            <Route
-                                path={`${WebsitePaths.JSONSchemas}/:version?`}
-                                component={LazyJSONSchemasDocumentation}
-                            />
-                            <Route
-                                path={`${WebsitePaths.Subproviders}/:version?`}
-                                component={LazySubprovidersDocumentation}
-                            />
-                            <Route
-                                path={`${WebsitePaths.OrderUtils}/:version?`}
-                                component={LazyOrderUtilsDocumentation}
-                            />
-                            <Route
-                                path={`${WebsitePaths.Web3Wrapper}/:version?`}
-                                component={LazyWeb3WrapperDocumentation}
-                            />
-                            <Route
-                                path={`${WebsitePaths.SmartContracts}/:version?`}
-                                component={LazySmartContractsDocumentation}
-                            />
-                            <Route
-                                path={`${WebsitePaths.EthereumTypes}/:version?`}
-                                component={LazyEthereumTypesDocumentation}
-                            />
+    <div>
+        <MetaTags title={DOCUMENT_TITLE} description={DOCUMENT_DESCRIPTION} />
+        <Router>
+            <div>
+                <MuiThemeProvider muiTheme={muiTheme}>
+                    <Provider store={store}>
+                        <div>
+                            <Switch>
+                                <Route exact={true} path="/" component={Landing as any} />
+                                <Redirect from="/otc" to={`${WebsitePaths.Portal}`} />
+                                <Route path={WebsitePaths.Careers} component={Jobs as any} />
+                                <Route path={WebsitePaths.Portal} component={LazyPortal} />
+                                <Route path={WebsitePaths.FAQ} component={FAQ as any} />
+                                <Route path={WebsitePaths.About} component={About as any} />
+                                <Route path={WebsitePaths.Wiki} component={Wiki as any} />
+                                <Route
+                                    path={`${WebsitePaths.ZeroExJs}/:version?`}
+                                    component={LazyZeroExJSDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.Connect}/:version?`}
+                                    component={LazyConnectDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.SolCompiler}/:version?`}
+                                    component={LazySolCompilerDocumentation}
+                                />
+                                <Route path={`${WebsitePaths.SolCov}/:version?`} component={LazySolCovDocumentation} />
+                                <Route
+                                    path={`${WebsitePaths.JSONSchemas}/:version?`}
+                                    component={LazyJSONSchemasDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.Subproviders}/:version?`}
+                                    component={LazySubprovidersDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.OrderUtils}/:version?`}
+                                    component={LazyOrderUtilsDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.Web3Wrapper}/:version?`}
+                                    component={LazyWeb3WrapperDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.SmartContracts}/:version?`}
+                                    component={LazySmartContractsDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsitePaths.EthereumTypes}/:version?`}
+                                    component={LazyEthereumTypesDocumentation}
+                                />
 
-                            {/* Legacy endpoints */}
-                            <Route
-                                path={`${WebsiteLegacyPaths.ZeroExJs}/:version?`}
-                                component={LazyZeroExJSDocumentation}
-                            />
-                            <Route
-                                path={`${WebsiteLegacyPaths.Web3Wrapper}/:version?`}
-                                component={LazyWeb3WrapperDocumentation}
-                            />
-                            <Route
-                                path={`${WebsiteLegacyPaths.Deployer}/:version?`}
-                                component={LazySolCompilerDocumentation}
-                            />
-                            <Route path={WebsiteLegacyPaths.Jobs} component={Jobs as any} />
-                            <Route path={`${WebsitePaths.Docs}`} component={LazyZeroExJSDocumentation} />
-                            <Route component={NotFound as any} />
-                        </Switch>
-                    </div>
-                </Provider>
-            </MuiThemeProvider>
-        </div>
-    </Router>,
+                                {/* Legacy endpoints */}
+                                <Route
+                                    path={`${WebsiteLegacyPaths.ZeroExJs}/:version?`}
+                                    component={LazyZeroExJSDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsiteLegacyPaths.Web3Wrapper}/:version?`}
+                                    component={LazyWeb3WrapperDocumentation}
+                                />
+                                <Route
+                                    path={`${WebsiteLegacyPaths.Deployer}/:version?`}
+                                    component={LazySolCompilerDocumentation}
+                                />
+                                <Route path={WebsiteLegacyPaths.Jobs} component={Jobs as any} />
+                                <Route path={`${WebsitePaths.Docs}`} component={LazyZeroExJSDocumentation} />
+                                <Route component={NotFound as any} />
+                            </Switch>
+                        </div>
+                    </Provider>
+                </MuiThemeProvider>
+            </div>
+        </Router>
+    </div>,
     document.getElementById('app'),
 );
diff --git a/packages/website/ts/pages/jobs/jobs.tsx b/packages/website/ts/pages/jobs/jobs.tsx
index 5c45d79fa..cc4b1f04b 100644
--- a/packages/website/ts/pages/jobs/jobs.tsx
+++ b/packages/website/ts/pages/jobs/jobs.tsx
@@ -4,7 +4,9 @@ import * as React from 'react';
 import * as DocumentTitle from 'react-document-title';
 
 import { Footer } from 'ts/components/footer';
+import { MetaTags } from 'ts/components/meta_tags';
 import { TopBar } from 'ts/components/top_bar/top_bar';
+import { Container } from 'ts/components/ui/container';
 import { Benefits } from 'ts/pages/jobs/benefits';
 import { Join0x } from 'ts/pages/jobs/join_0x';
 import { Mission } from 'ts/pages/jobs/mission';
@@ -16,6 +18,8 @@ import { utils } from 'ts/utils/utils';
 
 const OPEN_POSITIONS_HASH = 'positions';
 const THROTTLE_TIMEOUT = 100;
+const DOCUMENT_TITLE = 'Careers at 0x';
+const DOCUMENT_DESCRIPTION = 'Join 0x in creating a tokenized world where all value can flow freely';
 
 export interface JobsProps {
     location: Location;
@@ -39,8 +43,9 @@ export class Jobs extends React.Component<JobsProps, JobsState> {
     }
     public render(): React.ReactNode {
         return (
-            <div>
-                <DocumentTitle title="Careers at 0x" />
+            <Container overflowX="hidden">
+                <MetaTags title={DOCUMENT_TITLE} description={DOCUMENT_DESCRIPTION} />
+                <DocumentTitle title={DOCUMENT_TITLE} />
                 <TopBar
                     blockchainIsLoaded={false}
                     location={this.props.location}
@@ -52,7 +57,7 @@ export class Jobs extends React.Component<JobsProps, JobsState> {
                 <Benefits screenWidth={this.props.screenWidth} />
                 <OpenPositions hash={OPEN_POSITIONS_HASH} screenWidth={this.props.screenWidth} />
                 <Footer translate={this.props.translate} dispatcher={this.props.dispatcher} />
-            </div>
+            </Container>
         );
     }
     private _onJoin0xCallToActionClick(): void {
diff --git a/packages/website/ts/pages/jobs/join_0x.tsx b/packages/website/ts/pages/jobs/join_0x.tsx
index daddb0dcf..ec8afbd93 100644
--- a/packages/website/ts/pages/jobs/join_0x.tsx
+++ b/packages/website/ts/pages/jobs/join_0x.tsx
@@ -20,10 +20,10 @@ export const Join0x = (props: Join0xProps) => (
             className="mx-auto inline-block align-middle py4"
             style={{ lineHeight: '44px', textAlign: 'center', position: 'relative' }}
         >
-            <Container className="sm-hide xs-hide md-hide" position="absolute" left="100%" marginLeft="80px">
+            <Container className="sm-hide xs-hide" position="absolute" left="100%" marginLeft="80px">
                 <Image src="images/jobs/hero-dots-right.svg" width="400px" />
             </Container>
-            <Container className="sm-hide xs-hide md-hide" position="absolute" right="100%" marginRight="80px">
+            <Container className="sm-hide xs-hide" position="absolute" right="100%" marginRight="80px">
                 <Image src="images/jobs/hero-dots-left.svg" width="400px" />
             </Container>
             <div className="h2 sm-center sm-pt3" style={{ fontFamily: 'Roboto Mono' }}>
diff --git a/packages/website/ts/style/keyframes.ts b/packages/website/ts/style/keyframes.ts
new file mode 100644
index 000000000..28ea50247
--- /dev/null
+++ b/packages/website/ts/style/keyframes.ts
@@ -0,0 +1,22 @@
+import { keyframes } from 'ts/style/theme';
+
+export const rotate = keyframes`
+    100% {
+      transform: rotate(360deg);
+    }
+`;
+
+export const dash = keyframes`
+    0% {
+        stroke-dasharray: 1, 150;
+        stroke-dashoffset: 0;
+    }
+    50% {
+        stroke-dasharray: 90, 150;
+        stroke-dashoffset: -35;
+    }
+    100% {
+        stroke-dasharray: 90, 150;
+        stroke-dashoffset: -124;
+    }
+`;
diff --git a/yarn.lock b/yarn.lock
index d0bd6df1b..d49623d87 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1002,6 +1002,10 @@
   version "0.4.30"
   resolved "https://registry.yarnpkg.com/@types/istanbul/-/istanbul-0.4.30.tgz#073159320ab3296b2cfeb481f756a1f8f4c9c8e4"
 
+"@types/js-combinatorics@^0.5.29":
+  version "0.5.29"
+  resolved "https://registry.yarnpkg.com/@types/js-combinatorics/-/js-combinatorics-0.5.29.tgz#47a7819a0b6925b6dc4bd2c2278a7e6329b29387"
+
 "@types/jsonschema@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@types/jsonschema/-/jsonschema-1.1.1.tgz#08703dfe074010e8e829123111594af731f57b1a"
@@ -1146,6 +1150,12 @@
     "@types/node" "*"
     "@types/react" "*"
 
+"@types/react-helmet@^5.0.6":
+  version "5.0.6"
+  resolved "https://registry.yarnpkg.com/@types/react-helmet/-/react-helmet-5.0.6.tgz#49607cbb72e1bb7dcefa9174cb591434d3b6f0af"
+  dependencies:
+    "@types/react" "*"
+
 "@types/react-redux@^4.4.37":
   version "4.4.47"
   resolved "https://registry.yarnpkg.com/@types/react-redux/-/react-redux-4.4.47.tgz#12af1677116e08d413fe2620d0a85560c8a0536e"
@@ -7628,6 +7638,10 @@ js-base64@^2.1.9:
   version "2.4.3"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.4.3.tgz#2e545ec2b0f2957f41356510205214e98fad6582"
 
+js-combinatorics@^0.5.3:
+  version "0.5.3"
+  resolved "https://registry.yarnpkg.com/js-combinatorics/-/js-combinatorics-0.5.3.tgz#5da5a1c4632ec59fdf8d49dccfe59ef088122b15"
+
 js-scrypt@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/js-scrypt/-/js-scrypt-0.2.0.tgz#7a62b701b4616e70ad0cde544627aabb99d7fe39"
@@ -10981,6 +10995,15 @@ react-event-listener@^0.4.5:
     prop-types "^15.5.4"
     warning "^3.0.0"
 
+react-helmet@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/react-helmet/-/react-helmet-5.2.0.tgz#a81811df21313a6d55c5f058c4aeba5d6f3d97a7"
+  dependencies:
+    deep-equal "^1.0.1"
+    object-assign "^4.1.1"
+    prop-types "^15.5.4"
+    react-side-effect "^1.1.0"
+
 react-highlight@0xproject/react-highlight:
   version "0.10.0"
   resolved "https://codeload.github.com/0xproject/react-highlight/tar.gz/83bbb4a09801abd341e2b9041cd884885a4a2098"
@@ -11088,7 +11111,7 @@ react-scroll@^1.5.2:
     lodash.throttle "^4.1.1"
     prop-types "^15.5.8"
 
-react-side-effect@^1.0.2:
+react-side-effect@^1.0.2, react-side-effect@^1.1.0:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/react-side-effect/-/react-side-effect-1.1.5.tgz#f26059e50ed9c626d91d661b9f3c8bb38cd0ff2d"
   dependencies: