1 files changed, 0 insertions, 182 deletions
diff --git a/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts
deleted file mode 100644
index c1aceff47..000000000
--- a/packages/contract-wrappers/src/contract_wrappers/dutch_auction_wrapper.ts
+++ /dev/null
@@ -1,182 +0,0 @@
-import { DutchAuctionContract } from '@0x/abi-gen-wrappers';
-import { DutchAuction } from '@0x/contract-artifacts';
-import { schemas } from '@0x/json-schemas';
-import { assetDataUtils } from '@0x/order-utils';
-import { DutchAuctionDetails, SignedOrder } from '@0x/types';
-import { BigNumber } from '@0x/utils';
-import { Web3Wrapper } from '@0x/web3-wrapper';
-import { ContractAbi } from 'ethereum-types';
-import * as ethAbi from 'ethereumjs-abi';
-import * as ethUtil from 'ethereumjs-util';
-import * as _ from 'lodash';
-
-import { orderTxOptsSchema } from '../schemas/order_tx_opts_schema';
-import { txOptsSchema } from '../schemas/tx_opts_schema';
-import { DutchAuctionData, DutchAuctionWrapperError, OrderTransactionOpts } from '../types';
-import { assert } from '../utils/assert';
-import { _getDefaultContractAddresses } from '../utils/contract_addresses';
-
-import { ContractWrapper } from './contract_wrapper';
-
-export class DutchAuctionWrapper extends ContractWrapper {
-    public abi: ContractAbi = DutchAuction.compilerOutput.abi;
-    public address: string;
-    private _dutchAuctionContractIfExists?: DutchAuctionContract;
-    /**
-     * Dutch auction details are encoded with the asset data for a 0x order. This function produces a hex
-     * encoded assetData string, containing information both about the asset being traded and the
-     * dutch auction; which is usable in the makerAssetData or takerAssetData fields in a 0x order.
-     * @param assetData Hex encoded assetData string for the asset being auctioned.
-     * @param beginTimeSeconds Begin time of the dutch auction.
-     * @param beginAmount Starting amount being sold in the dutch auction.
-     * @return The hex encoded assetData string.
-     */
-    public static encodeDutchAuctionAssetData(
-        assetData: string,
-        beginTimeSeconds: BigNumber,
-        beginAmount: BigNumber,
-    ): string {
-        const assetDataBuffer = ethUtil.toBuffer(assetData);
-        const abiEncodedAuctionData = (ethAbi as any).rawEncode(
-            ['uint256', 'uint256'],
-            [beginTimeSeconds.toString(), beginAmount.toString()],
-        );
-        const abiEncodedAuctionDataBuffer = ethUtil.toBuffer(abiEncodedAuctionData);
-        const dutchAuctionDataBuffer = Buffer.concat([assetDataBuffer, abiEncodedAuctionDataBuffer]);
-        const dutchAuctionData = ethUtil.bufferToHex(dutchAuctionDataBuffer);
-        return dutchAuctionData;
-    }
-    /**
-     * Dutch auction details are encoded with the asset data for a 0x order. This function decodes a hex
-     * encoded assetData string, containing information both about the asset being traded and the
-     * dutch auction.
-     * @param dutchAuctionData Hex encoded assetData string for the asset being auctioned.
-     * @return An object containing the auction asset, auction begin time and auction begin amount.
-     */
-    public static decodeDutchAuctionData(dutchAuctionData: string): DutchAuctionData {
-        const dutchAuctionDataBuffer = ethUtil.toBuffer(dutchAuctionData);
-        // Decode asset data
-        const dutchAuctionDataLengthInBytes = 64;
-        const assetDataBuffer = dutchAuctionDataBuffer.slice(
-            0,
-            dutchAuctionDataBuffer.byteLength - dutchAuctionDataLengthInBytes,
-        );
-        const assetDataHex = ethUtil.bufferToHex(assetDataBuffer);
-        const assetData = assetDataUtils.decodeAssetDataOrThrow(assetDataHex);
-        // Decode auction details
-        const dutchAuctionDetailsBuffer = dutchAuctionDataBuffer.slice(
-            dutchAuctionDataBuffer.byteLength - dutchAuctionDataLengthInBytes,
-        );
-        const [beginTimeSecondsAsBN, beginAmountAsBN] = ethAbi.rawDecode(
-            ['uint256', 'uint256'],
-            dutchAuctionDetailsBuffer,
-        );
-        const beginTimeSeconds = new BigNumber(`0x${beginTimeSecondsAsBN.toString()}`);
-        const beginAmount = new BigNumber(`0x${beginAmountAsBN.toString()}`);
-        return {
-            assetData,
-            beginTimeSeconds,
-            beginAmount,
-        };
-    }
-    /**
-     * Instantiate DutchAuctionWrapper
-     * @param web3Wrapper Web3Wrapper instance to use.
-     * @param networkId Desired networkId.
-     * @param address The address of the Dutch Auction contract. If undefined, will
-     * default to the known address corresponding to the networkId.
-     */
-    public constructor(web3Wrapper: Web3Wrapper, networkId: number, address?: string) {
-        super(web3Wrapper, networkId);
-        this.address = _.isUndefined(address) ? _getDefaultContractAddresses(networkId).dutchAuction : address;
-    }
-    /**
-     * Matches the buy and sell orders at an amount given the following: the current block time, the auction
-     * start time and the auction begin amount. The sell order is a an order at the lowest amount
-     * at the end of the auction. Excess from the match is transferred to the seller.
-     * Over time the price moves from beginAmount to endAmount given the current block.timestamp.
-     * @param buyOrder      The Buyer's order. This order is for the current expected price of the auction.
-     * @param sellOrder     The Seller's order. This order is for the lowest amount (at the end of the auction).
-     * @param takerAddress  The user Ethereum address who would like to fill this order. Must be available via the supplied
-     *                      Provider provided at instantiation.
-     * @return              Transaction hash.
-     */
-    public async matchOrdersAsync(
-        buyOrder: SignedOrder,
-        sellOrder: SignedOrder,
-        takerAddress: string,
-        orderTransactionOpts: OrderTransactionOpts = { shouldValidate: true },
-    ): Promise<string> {
-        // type assertions
-        assert.doesConformToSchema('buyOrder', buyOrder, schemas.signedOrderSchema);
-        assert.doesConformToSchema('sellOrder', sellOrder, schemas.signedOrderSchema);
-        await assert.isSenderAddressAsync('takerAddress', takerAddress, this._web3Wrapper);
-        assert.doesConformToSchema('orderTransactionOpts', orderTransactionOpts, orderTxOptsSchema, [txOptsSchema]);
-        const normalizedTakerAddress = takerAddress.toLowerCase();
-        // other assertions
-        if (
-            sellOrder.makerAssetData !== buyOrder.takerAssetData ||
-            sellOrder.takerAssetData !== buyOrder.makerAssetData
-        ) {
-            throw new Error(DutchAuctionWrapperError.AssetDataMismatch);
-        }
-        // get contract
-        const dutchAuctionInstance = await this._getDutchAuctionContractAsync();
-        // validate transaction
-        if (orderTransactionOpts.shouldValidate) {
-            await dutchAuctionInstance.matchOrders.callAsync(
-                buyOrder,
-                sellOrder,
-                buyOrder.signature,
-                sellOrder.signature,
-                {
-                    from: normalizedTakerAddress,
-                    gas: orderTransactionOpts.gasLimit,
-                    gasPrice: orderTransactionOpts.gasPrice,
-                    nonce: orderTransactionOpts.nonce,
-                },
-            );
-        }
-        // send transaction
-        const txHash = await dutchAuctionInstance.matchOrders.sendTransactionAsync(
-            buyOrder,
-            sellOrder,
-            buyOrder.signature,
-            sellOrder.signature,
-            {
-                from: normalizedTakerAddress,
-                gas: orderTransactionOpts.gasLimit,
-                gasPrice: orderTransactionOpts.gasPrice,
-                nonce: orderTransactionOpts.nonce,
-            },
-        );
-        return txHash;
-    }
-    /**
-     * Fetches the Auction Details for the given order
-     * @param sellOrder The Seller's order. This order is for the lowest amount (at the end of the auction).
-     * @return The dutch auction details.
-     */
-    public async getAuctionDetailsAsync(sellOrder: SignedOrder): Promise<DutchAuctionDetails> {
-        // type assertions
-        assert.doesConformToSchema('sellOrder', sellOrder, schemas.signedOrderSchema);
-        // get contract
-        const dutchAuctionInstance = await this._getDutchAuctionContractAsync();
-        // call contract
-        const auctionDetails = await dutchAuctionInstance.getAuctionDetails.callAsync(sellOrder);
-        return auctionDetails;
-    }
-    private async _getDutchAuctionContractAsync(): Promise<DutchAuctionContract> {
-        if (!_.isUndefined(this._dutchAuctionContractIfExists)) {
-            return this._dutchAuctionContractIfExists;
-        }
-        const contractInstance = new DutchAuctionContract(
-            this.abi,
-            this.address,
-            this._web3Wrapper.getProvider(),
-            this._web3Wrapper.getContractDefaults(),
-        );
-        this._dutchAuctionContractIfExists = contractInstance;
-        return this._dutchAuctionContractIfExists;
-    }
-}