Merge pull request #501 from 0xProject/feature/provider-over-wrapper

Use Provider over web3Wrapper

9 files changed, 47 insertions, 45 deletions

diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 774b9ac12..94d97c23e 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -1,5 +1,5 @@
 import { schemas, SchemaValidator } from '@0xproject/json-schemas';
-import { ECSignature, Order, SignedOrder, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
+import { ECSignature, Order, Provider, SignedOrder, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
 import { AbiDecoder, BigNumber, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as ethUtil from 'ethereumjs-util';
@@ -15,7 +15,7 @@ import { OrderStateWatcher } from './order_watcher/order_state_watcher';
 import { zeroExConfigSchema } from './schemas/zero_ex_config_schema';
 import { zeroExPrivateNetworkConfigSchema } from './schemas/zero_ex_private_network_config_schema';
 import { zeroExPublicNetworkConfigSchema } from './schemas/zero_ex_public_network_config_schema';
-import { OrderStateWatcherConfig, Web3Provider, ZeroExConfig, ZeroExError } from './types';
+import { OrderStateWatcherConfig, ZeroExConfig, ZeroExError } from './types';
 import { assert } from './utils/assert';
 import { constants } from './utils/constants';
 import { decorators } from './utils/decorators';
@@ -115,10 +115,8 @@ export class ZeroEx {
     public static toUnitAmount(amount: BigNumber, decimals: number): BigNumber {
         assert.isValidBaseUnitAmount('amount', amount);
         assert.isNumber('decimals', decimals);
-
-        const aUnit = new BigNumber(10).pow(decimals);
-        const unit = amount.div(aUnit);
-        return unit;
+        const unitAmount = Web3Wrapper.toUnitAmount(amount, decimals);
+        return unitAmount;
     }
     /**
      * A baseUnit is defined as the smallest denomination of a token. An amount expressed in baseUnits
@@ -131,13 +129,7 @@ export class ZeroEx {
     public static toBaseUnitAmount(amount: BigNumber, decimals: number): BigNumber {
         assert.isBigNumber('amount', amount);
         assert.isNumber('decimals', decimals);
-
-        const unit = new BigNumber(10).pow(decimals);
-        const baseUnitAmount = amount.times(unit);
-        const hasDecimals = baseUnitAmount.decimalPlaces() !== 0;
-        if (hasDecimals) {
-            throw new Error(`Invalid unit amount: ${amount.toString()} - Too many decimal places`);
-        }
+        const baseUnitAmount = Web3Wrapper.toBaseUnitAmount(amount, decimals);
         return baseUnitAmount;
     }
     /**
@@ -153,12 +145,12 @@ export class ZeroEx {
     }
     /**
      * Instantiates a new ZeroEx instance that provides the public interface to the 0x.js library.
-     * @param   provider    The Web3.js Provider instance you would like the 0x.js library to use for interacting with
+     * @param   provider    The Provider instance you would like the 0x.js library to use for interacting with
      *                      the Ethereum network.
      * @param   config      The configuration object. Look up the type for the description.
      * @return  An instance of the 0x.js ZeroEx class.
      */
-    constructor(provider: Web3Provider, config: ZeroExConfig) {
+    constructor(provider: Provider, config: ZeroExConfig) {
         assert.isWeb3Provider('provider', provider);
         assert.doesConformToSchema('config', config, zeroExConfigSchema, [
             zeroExPrivateNetworkConfigSchema,
@@ -199,7 +191,7 @@ export class ZeroEx {
      * @param   provider    The Web3Provider you would like the 0x.js library to use from now on.
      * @param   networkId   The id of the network your provider is connected to
      */
-    public setProvider(provider: Web3Provider, networkId: number): void {
+    public setProvider(provider: Provider, networkId: number): void {
         this._web3Wrapper.setProvider(provider);
         (this.exchange as any)._invalidateContractInstances();
         (this.exchange as any)._setNetworkId(networkId);
@@ -225,7 +217,7 @@ export class ZeroEx {
      * This method currently supports TestRPC, Geth and Parity above and below V1.6.6
      * @param   orderHash       Hex encoded orderHash to sign.
      * @param   signerAddress   The hex encoded Ethereum address you wish to sign it with. This address
-     *          must be available via the Web3.Provider supplied to 0x.js.
+     *          must be available via the Provider supplied to 0x.js.
      * @param   shouldAddPersonalMessagePrefix  Some signers add the personal message prefix `\x19Ethereum Signed Message`
      *          themselves (e.g Parity Signer, Ledger, TestRPC) and others expect it to already be done by the client
      *          (e.g Metamask). Depending on which signer this request is going to, decide on whether to add the prefix
diff --git a/packages/0x.js/src/contract_wrappers/ether_token_wrapper.ts b/packages/0x.js/src/contract_wrappers/ether_token_wrapper.ts
index f52dba2f1..fd39de34b 100644
--- a/packages/0x.js/src/contract_wrappers/ether_token_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/ether_token_wrapper.ts
@@ -191,7 +191,12 @@ export class EtherTokenWrapper extends ContractWrapper {
             artifacts.EtherTokenArtifact,
             etherTokenAddress,
         );
-        const contractInstance = new EtherTokenContract(this._web3Wrapper, abi, address);
+        const contractInstance = new EtherTokenContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
         etherTokenContract = contractInstance;
         this._etherTokenContractsByAddress[etherTokenAddress] = etherTokenContract;
         return etherTokenContract;
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index 53f32f111..378ae8111 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -170,7 +170,7 @@ export class ExchangeWrapper extends ContractWrapper {
      * @param   shouldThrowOnInsufficientBalanceOrAllowance Whether or not you wish for the contract call to throw
      *                                                      if upon execution the tokens cannot be transferred.
      * @param   takerAddress                                The user Ethereum address who would like to fill this order.
-     *                                                      Must be available via the supplied Web3.Provider
+     *                                                      Must be available via the supplied Provider
      *                                                      passed to 0x.js.
      * @param   orderTransactionOpts                        Optional arguments this method accepts.
      * @return  Transaction hash.
@@ -235,7 +235,7 @@ export class ExchangeWrapper extends ContractWrapper {
      *                                                      If set to false, the call will continue to fill subsequent
      *                                                      signedOrders even when some cannot be filled.
      * @param   takerAddress                                The user Ethereum address who would like to fill these
-     *                                                      orders. Must be available via the supplied Web3.Provider
+     *                                                      orders. Must be available via the supplied Provider
      *                                                      passed to 0x.js.
      * @param   orderTransactionOpts                        Optional arguments this method accepts.
      * @return  Transaction hash.
@@ -335,7 +335,7 @@ export class ExchangeWrapper extends ContractWrapper {
      *                                                          cannot be filled.
      * @param   takerAddress                                    The user Ethereum address who would like to fill
      *                                                          these orders. Must be available via the supplied
-     *                                                          Web3.Provider passed to 0x.js.
+     *                                                          Provider passed to 0x.js.
      * @param   orderTransactionOpts                            Optional arguments this method accepts.
      * @return  Transaction hash.
      */
@@ -416,7 +416,7 @@ export class ExchangeWrapper extends ContractWrapper {
      *                                  signedOrder you wish to fill.
      * @param   fillTakerTokenAmount    The total amount of the takerTokens you would like to fill.
      * @param   takerAddress            The user Ethereum address who would like to fill this order.
-     *                                  Must be available via the supplied Web3.Provider passed to 0x.js.
+     *                                  Must be available via the supplied Provider passed to 0x.js.
      * @param   orderTransactionOpts    Optional arguments this method accepts.
      * @return  Transaction hash.
      */
@@ -470,7 +470,7 @@ export class ExchangeWrapper extends ContractWrapper {
      * filled (each to the specified fillAmount) or aborted.
      * @param   orderFillRequests           An array of objects that conform to the OrderFillRequest interface.
      * @param   takerAddress                The user Ethereum address who would like to fill there orders.
-     *                                      Must be available via the supplied Web3.Provider passed to 0x.js.
+     *                                      Must be available via the supplied Provider passed to 0x.js.
      * @param   orderTransactionOpts        Optional arguments this method accepts.
      * @return  Transaction hash.
      */
@@ -765,7 +765,7 @@ export class ExchangeWrapper extends ContractWrapper {
      *                                  signedOrder you wish to fill.
      * @param   fillTakerTokenAmount    The total amount of the takerTokens you would like to fill.
      * @param   takerAddress            The user Ethereum address who would like to fill this order.
-     *                                  Must be available via the supplied Web3.Provider passed to 0x.js.
+     *                                  Must be available via the supplied Provider passed to 0x.js.
      */
     public async validateFillOrderThrowIfInvalidAsync(
         signedOrder: SignedOrder,
@@ -812,7 +812,7 @@ export class ExchangeWrapper extends ContractWrapper {
      *                                  signedOrder you wish to fill.
      * @param   fillTakerTokenAmount    The total amount of the takerTokens you would like to fill.
      * @param   takerAddress            The user Ethereum address who would like to fill this order.
-     *                                  Must be available via the supplied Web3.Provider passed to 0x.js.
+     *                                  Must be available via the supplied Provider passed to 0x.js.
      */
     public async validateFillOrKillOrderThrowIfInvalidAsync(
         signedOrder: SignedOrder,
@@ -920,7 +920,12 @@ export class ExchangeWrapper extends ContractWrapper {
             artifacts.ExchangeArtifact,
             this._contractAddressIfExists,
         );
-        const contractInstance = new ExchangeContract(this._web3Wrapper, abi, address);
+        const contractInstance = new ExchangeContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
         this._exchangeContractIfExists = contractInstance;
         return this._exchangeContractIfExists;
     }
diff --git a/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts b/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts
index e1806c6f2..c4a193264 100644
--- a/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/token_registry_wrapper.ts
@@ -121,7 +121,12 @@ export class TokenRegistryWrapper extends ContractWrapper {
             artifacts.TokenRegistryArtifact,
             this._contractAddressIfExists,
         );
-        const contractInstance = new TokenRegistryContract(this._web3Wrapper, abi, address);
+        const contractInstance = new TokenRegistryContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
         this._tokenRegistryContractIfExists = contractInstance;
         return this._tokenRegistryContractIfExists;
     }
diff --git a/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts b/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
index 211c7dfb4..be558b5be 100644
--- a/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/token_transfer_proxy_wrapper.ts
@@ -63,7 +63,12 @@ export class TokenTransferProxyWrapper extends ContractWrapper {
             artifacts.TokenTransferProxyArtifact,
             this._contractAddressIfExists,
         );
-        const contractInstance = new TokenTransferProxyContract(this._web3Wrapper, abi, address);
+        const contractInstance = new TokenTransferProxyContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
         this._tokenTransferProxyContractIfExists = contractInstance;
         return this._tokenTransferProxyContractIfExists;
     }
diff --git a/packages/0x.js/src/contract_wrappers/token_wrapper.ts b/packages/0x.js/src/contract_wrappers/token_wrapper.ts
index 5224d451c..194cfb5aa 100644
--- a/packages/0x.js/src/contract_wrappers/token_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/token_wrapper.ts
@@ -421,7 +421,12 @@ export class TokenWrapper extends ContractWrapper {
             artifacts.TokenArtifact,
             normalizedTokenAddress,
         );
-        const contractInstance = new TokenContract(this._web3Wrapper, abi, address);
+        const contractInstance = new TokenContract(
+            abi,
+            address,
+            this._web3Wrapper.getProvider(),
+            this._web3Wrapper.getContractDefaults(),
+        );
         tokenContract = contractInstance;
         this._tokenContractsByAddress[normalizedTokenAddress] = tokenContract;
         return tokenContract;
diff --git a/packages/0x.js/src/globals.d.ts b/packages/0x.js/src/globals.d.ts
index b9b691ba1..94e63a32d 100644
--- a/packages/0x.js/src/globals.d.ts
+++ b/packages/0x.js/src/globals.d.ts
@@ -1,10 +1,3 @@
-declare module 'web3_beta';
-
-// semver-sort declarations
-declare module 'semver-sort' {
-    const desc: (versions: string[]) => string[];
-}
-
 declare module '*.json' {
     const json: any;
     /* tslint:disable */
diff --git a/packages/0x.js/src/index.ts b/packages/0x.js/src/index.ts
index e353a1d3d..3b973bd54 100644
--- a/packages/0x.js/src/index.ts
+++ b/packages/0x.js/src/index.ts
@@ -11,7 +11,6 @@ export {
     OrderCancellationRequest,
     OrderFillRequest,
     ContractEventArgs,
-    Web3Provider,
     ZeroExConfig,
     MethodOpts,
     OrderTransactionOpts,
@@ -32,6 +31,7 @@ export {
     ContractEventArg,
     LogWithDecodedArgs,
     Order,
+    Provider,
     SignedOrder,
     ECSignature,
     TransactionReceipt,
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 1f128d656..d1c643a57 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -154,14 +154,6 @@ export interface OrderFillRequest {
 export type AsyncMethod = (...args: any[]) => Promise<any>;
 export type SyncMethod = (...args: any[]) => any;
 
-/**
- * We re-export the `Web3.Provider` type specified in the Web3 Typescript typings
- * since it is the type of the `provider` argument to the `ZeroEx` constructor.
- * It is however a `Web3` library type, not a native `0x.js` type. To learn more
- * about providers, visit https://0xproject.com/wiki#Web3-Provider-Explained
- */
-export type Web3Provider = Web3.Provider;
-
 /*
  * orderExpirationCheckingIntervalMs: How often to check for expired orders. Default: 50
  * eventPollingIntervalMs: How often to poll the Ethereum node for new events. Default: 200