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

Use Provider over web3Wrapper

14 files changed, 51 insertions, 55 deletions

diff --git a/packages/contracts/test/ether_token.ts b/packages/contracts/test/ether_token.ts
index 6c7354c2b..4023abad0 100644
--- a/packages/contracts/test/ether_token.ts
+++ b/packages/contracts/test/ether_token.ts
@@ -9,7 +9,7 @@ import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -26,7 +26,7 @@ describe('EtherToken', () => {
 
         const etherToken = await deployer.deployAsync(ContractName.EtherToken);
         etherTokenAddress = etherToken.address;
-        zeroEx = new ZeroEx(web3.currentProvider, {
+        zeroEx = new ZeroEx(provider, {
             gasPrice,
             networkId: constants.TESTRPC_NETWORK_ID,
         });
@@ -51,7 +51,7 @@ describe('EtherToken', () => {
             const initEthBalance = await web3Wrapper.getBalanceInWeiAsync(account);
             const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
 
-            const ethToDeposit = new BigNumber(web3.toWei(1, 'ether'));
+            const ethToDeposit = new BigNumber(Web3Wrapper.toWei(new BigNumber(1)));
 
             const txHash = await zeroEx.etherToken.depositAsync(etherTokenAddress, ethToDeposit, account);
             const receipt = await zeroEx.awaitTransactionMinedAsync(txHash);
@@ -76,7 +76,7 @@ describe('EtherToken', () => {
         });
 
         it('should convert ether tokens to ether with sufficient balance', async () => {
-            const ethToDeposit = new BigNumber(web3.toWei(1, 'ether'));
+            const ethToDeposit = new BigNumber(Web3Wrapper.toWei(new BigNumber(1)));
             await zeroEx.etherToken.depositAsync(etherTokenAddress, ethToDeposit, account);
             const initEthTokenBalance = await zeroEx.token.getBalanceAsync(etherTokenAddress, account);
             const initEthBalance = await web3Wrapper.getBalanceInWeiAsync(account);
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index e276d11b3..689b11062 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -22,7 +22,7 @@ import { OrderFactory } from '../../util/order_factory';
 import { BalancesByOwner, ContractName, ExchangeContractErrs } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -59,22 +59,22 @@ describe('Exchange', () => {
             deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
             deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
         ]);
-        rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
-        dgd = new DummyTokenContract(web3Wrapper, dgdInstance.abi, dgdInstance.address);
-        zrx = new DummyTokenContract(web3Wrapper, zrxInstance.abi, zrxInstance.address);
+        rep = new DummyTokenContract(repInstance.abi, repInstance.address, provider);
+        dgd = new DummyTokenContract(dgdInstance.abi, dgdInstance.address, provider);
+        zrx = new DummyTokenContract(zrxInstance.abi, zrxInstance.address, provider);
         const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
         tokenTransferProxy = new TokenTransferProxyContract(
-            web3Wrapper,
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
+            provider,
         );
         const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
             zrx.address,
             tokenTransferProxy.address,
         ]);
-        exchange = new ExchangeContract(web3Wrapper, exchangeInstance.abi, exchangeInstance.address);
+        exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
-        zeroEx = new ZeroEx(web3.currentProvider, {
+        zeroEx = new ZeroEx(provider, {
             exchangeContractAddress: exchange.address,
             networkId: constants.TESTRPC_NETWORK_ID,
         });
diff --git a/packages/contracts/test/exchange/helpers.ts b/packages/contracts/test/exchange/helpers.ts
index 080cbe5fd..8fc30c0b5 100644
--- a/packages/contracts/test/exchange/helpers.ts
+++ b/packages/contracts/test/exchange/helpers.ts
@@ -17,7 +17,7 @@ import { OrderFactory } from '../../util/order_factory';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -46,9 +46,9 @@ describe('Exchange', () => {
             zrx.address,
             tokenTransferProxy.address,
         ]);
-        const exchange = new ExchangeContract(web3Wrapper, exchangeInstance.abi, exchangeInstance.address);
+        const exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
         await tokenTransferProxy.addAuthorizedAddress(exchange.address, { from: accounts[0] });
-        const zeroEx = new ZeroEx(web3.currentProvider, { networkId: constants.TESTRPC_NETWORK_ID });
+        const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
         exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
         const defaultOrderParams = {
             exchangeContractAddress: exchange.address,
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index 0d3e18711..c658dca79 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -22,7 +22,7 @@ import { OrderFactory } from '../../util/order_factory';
 import { BalancesByOwner, ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -59,28 +59,24 @@ describe('Exchange', () => {
             deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
             deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
         ]);
-        rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
-        dgd = new DummyTokenContract(web3Wrapper, dgdInstance.abi, dgdInstance.address);
-        zrx = new DummyTokenContract(web3Wrapper, zrxInstance.abi, zrxInstance.address);
+        rep = new DummyTokenContract(repInstance.abi, repInstance.address, provider);
+        dgd = new DummyTokenContract(dgdInstance.abi, dgdInstance.address, provider);
+        zrx = new DummyTokenContract(zrxInstance.abi, zrxInstance.address, provider);
         const tokenRegistryInstance = await deployer.deployAsync(ContractName.TokenRegistry);
-        tokenRegistry = new TokenRegistryContract(
-            web3Wrapper,
-            tokenRegistryInstance.abi,
-            tokenRegistryInstance.address,
-        );
+        tokenRegistry = new TokenRegistryContract(tokenRegistryInstance.abi, tokenRegistryInstance.address, provider);
         const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
         tokenTransferProxy = new TokenTransferProxyContract(
-            web3Wrapper,
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
+            provider,
         );
         const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
             zrx.address,
             tokenTransferProxy.address,
         ]);
-        exchange = new ExchangeContract(web3Wrapper, exchangeInstance.abi, exchangeInstance.address);
+        exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
-        const zeroEx = new ZeroEx(web3.currentProvider, { networkId: constants.TESTRPC_NETWORK_ID });
+        const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
         exWrapper = new ExchangeWrapper(exchange, zeroEx);
 
         const defaultOrderParams = {
diff --git a/packages/contracts/test/multi_sig_with_time_lock.ts b/packages/contracts/test/multi_sig_with_time_lock.ts
index d35efe9da..ea74d4c7f 100644
--- a/packages/contracts/test/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock.ts
@@ -15,13 +15,13 @@ import { ContractName, SubmissionContractEventArgs } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 
 const MULTI_SIG_ABI = artifacts.MultiSigWalletWithTimeLockArtifact.networks[constants.TESTRPC_NETWORK_ID].abi;
 chaiSetup.configure();
 const expect = chai.expect;
 const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
-const zeroEx = new ZeroEx(web3.currentProvider, { networkId: constants.TESTRPC_NETWORK_ID });
+const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
 const abiDecoder = new AbiDecoder([MULTI_SIG_ABI]);
 
 describe('MultiSigWalletWithTimeLock', () => {
@@ -53,9 +53,9 @@ describe('MultiSigWalletWithTimeLock', () => {
                     0,
                 ]);
                 multiSig = new MultiSigWalletWithTimeLockContract(
-                    web3Wrapper,
                     multiSigInstance.abi,
                     multiSigInstance.address,
+                    provider,
                 );
                 multiSigWrapper = new MultiSigWrapper((multiSig as any) as MultiSigWalletContract);
 
@@ -150,9 +150,9 @@ describe('MultiSigWalletWithTimeLock', () => {
                     SECONDS_TIME_LOCKED,
                 ]);
                 multiSig = new MultiSigWalletWithTimeLockContract(
-                    web3Wrapper,
                     multiSigInstance.abi,
                     multiSigInstance.address,
+                    provider,
                 );
                 multiSigWrapper = new MultiSigWrapper((multiSig as any) as MultiSigWalletContract);
 
diff --git a/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts b/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
index 6d20a67f3..2f928ede2 100644
--- a/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
@@ -16,7 +16,7 @@ import { ContractName, SubmissionContractEventArgs, TransactionDataParams } from
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 const PROXY_ABI = artifacts.TokenTransferProxyArtifact.networks[constants.TESTRPC_NETWORK_ID].abi;
 const MUTISIG_WALLET_WITH_TIME_LOCK_EXCEPT_REMOVE_AUTHORIZED_ADDRESS_ABI =
     artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact.networks[constants.TESTRPC_NETWORK_ID]
@@ -28,7 +28,7 @@ const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
 const abiDecoder = new AbiDecoder([MUTISIG_WALLET_WITH_TIME_LOCK_EXCEPT_REMOVE_AUTHORIZED_ADDRESS_ABI]);
 
 describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
-    const zeroEx = new ZeroEx(web3.currentProvider, { networkId: constants.TESTRPC_NETWORK_ID });
+    const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
     let owners: string[];
     const requiredApprovals = 2;
     const SECONDS_TIME_LOCKED = 1000000;
@@ -49,9 +49,9 @@ describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
         const initialOwner = accounts[0];
         const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
         tokenTransferProxy = new TokenTransferProxyContract(
-            web3Wrapper,
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
+            provider,
         );
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(authorizedAddress, {
             from: initialOwner,
@@ -61,9 +61,9 @@ describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
             [owners, requiredApprovals, SECONDS_TIME_LOCKED, tokenTransferProxy.address],
         );
         multiSig = new MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressContract(
-            web3Wrapper,
             multiSigInstance.abi,
             multiSigInstance.address,
+            provider,
         );
         await tokenTransferProxy.transferOwnership.sendTransactionAsync(multiSig.address, {
             from: initialOwner,
diff --git a/packages/contracts/test/token_registry.ts b/packages/contracts/test/token_registry.ts
index 9dcc77b82..12fc52dbc 100644
--- a/packages/contracts/test/token_registry.ts
+++ b/packages/contracts/test/token_registry.ts
@@ -14,7 +14,7 @@ import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -30,7 +30,7 @@ describe('TokenRegistry', () => {
         owner = accounts[0];
         notOwner = accounts[1];
         const tokenRegInstance = await deployer.deployAsync(ContractName.TokenRegistry);
-        tokenReg = new TokenRegistryContract(web3Wrapper, tokenRegInstance.abi, tokenRegInstance.address);
+        tokenReg = new TokenRegistryContract(tokenRegInstance.abi, tokenRegInstance.address, provider);
         tokenRegWrapper = new TokenRegWrapper(tokenReg);
     });
     beforeEach(async () => {
diff --git a/packages/contracts/test/token_transfer_proxy/auth.ts b/packages/contracts/test/token_transfer_proxy/auth.ts
index a1ccc6ff7..885ff3bc1 100644
--- a/packages/contracts/test/token_transfer_proxy/auth.ts
+++ b/packages/contracts/test/token_transfer_proxy/auth.ts
@@ -8,7 +8,7 @@ import { constants } from '../../util/constants';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -25,9 +25,9 @@ describe('TokenTransferProxy', () => {
         notOwner = accounts[1];
         const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
         tokenTransferProxy = new TokenTransferProxyContract(
-            web3Wrapper,
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
+            provider,
         );
     });
     beforeEach(async () => {
diff --git a/packages/contracts/test/token_transfer_proxy/transfer_from.ts b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
index 415d068be..dff1a0cfb 100644
--- a/packages/contracts/test/token_transfer_proxy/transfer_from.ts
+++ b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
@@ -11,7 +11,7 @@ import { constants } from '../../util/constants';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -33,12 +33,12 @@ describe('TokenTransferProxy', () => {
         owner = notAuthorized = accounts[0];
         const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
         tokenTransferProxy = new TokenTransferProxyContract(
-            web3Wrapper,
             tokenTransferProxyInstance.abi,
             tokenTransferProxyInstance.address,
+            provider,
         );
         const repInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        rep = new DummyTokenContract(web3Wrapper, repInstance.abi, repInstance.address);
+        rep = new DummyTokenContract(repInstance.abi, repInstance.address, provider);
 
         dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
         await Promise.all([
diff --git a/packages/contracts/test/tutorials/arbitrage.ts b/packages/contracts/test/tutorials/arbitrage.ts
index b2bbaf420..ad83bbca3 100644
--- a/packages/contracts/test/tutorials/arbitrage.ts
+++ b/packages/contracts/test/tutorials/arbitrage.ts
@@ -17,7 +17,7 @@ import { OrderFactory } from '../../util/order_factory';
 import { BalancesByOwner, ContractName, ExchangeContractErrs } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
 import { deployer } from '../utils/deployer';
-import { web3, web3Wrapper } from '../utils/web3_wrapper';
+import { provider, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -69,18 +69,18 @@ describe('Arbitrage', () => {
             edTakerFee,
             edFeeRebate,
         ]);
-        etherDelta = new EtherDeltaContract(web3Wrapper, etherDeltaInstance.abi, etherDeltaInstance.address);
+        etherDelta = new EtherDeltaContract(etherDeltaInstance.abi, etherDeltaInstance.address, provider);
         const tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
         const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
             zrx.address,
             tokenTransferProxy.address,
         ]);
         await tokenTransferProxy.addAuthorizedAddress(exchangeInstance.address, { from: accounts[0] });
-        zeroEx = new ZeroEx(web3.currentProvider, {
+        zeroEx = new ZeroEx(provider, {
             exchangeContractAddress: exchangeInstance.address,
             networkId: constants.TESTRPC_NETWORK_ID,
         });
-        const exchange = new ExchangeContract(web3Wrapper, exchangeInstance.abi, exchangeInstance.address);
+        const exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
         exWrapper = new ExchangeWrapper(exchange, zeroEx);
 
         makerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18);
@@ -102,7 +102,7 @@ describe('Arbitrage', () => {
             etherDelta.address,
             tokenTransferProxy.address,
         ]);
-        arbitrage = new ArbitrageContract(web3Wrapper, arbitrageInstance.abi, arbitrageInstance.address);
+        arbitrage = new ArbitrageContract(arbitrageInstance.abi, arbitrageInstance.address, provider);
         // Enable arbitrage and withdrawals of tokens
         await arbitrage.setAllowances.sendTransactionAsync(weth.address, { from: coinbase });
         await arbitrage.setAllowances.sendTransactionAsync(zrx.address, { from: coinbase });
diff --git a/packages/contracts/test/unlimited_allowance_token.ts b/packages/contracts/test/unlimited_allowance_token.ts
index c1c518adc..618bda72d 100644
--- a/packages/contracts/test/unlimited_allowance_token.ts
+++ b/packages/contracts/test/unlimited_allowance_token.ts
@@ -11,7 +11,7 @@ import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -23,7 +23,7 @@ describe('UnlimitedAllowanceToken', () => {
     const config = {
         networkId: constants.TESTRPC_NETWORK_ID,
     };
-    const zeroEx = new ZeroEx(web3.currentProvider, config);
+    const zeroEx = new ZeroEx(provider, config);
 
     const MAX_MINT_VALUE = new BigNumber(100000000000000000000);
     let tokenAddress: string;
@@ -34,7 +34,7 @@ describe('UnlimitedAllowanceToken', () => {
         owner = accounts[0];
         spender = accounts[1];
         const tokenInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        token = new DummyTokenContract(web3Wrapper, tokenInstance.abi, tokenInstance.address);
+        token = new DummyTokenContract(tokenInstance.abi, tokenInstance.address, provider);
         await token.mint.sendTransactionAsync(MAX_MINT_VALUE, { from: owner });
         tokenAddress = token.address;
     });
diff --git a/packages/contracts/test/utils/deployer.ts b/packages/contracts/test/utils/deployer.ts
index 1baa47f09..45f79a2a4 100644
--- a/packages/contracts/test/utils/deployer.ts
+++ b/packages/contracts/test/utils/deployer.ts
@@ -7,9 +7,8 @@ import { constants } from '../../util/constants';
 import { web3 } from './web3_wrapper';
 
 const deployerOpts = {
-    web3Provider: web3.currentProvider,
+    provider: web3.currentProvider,
     artifactsDir: path.resolve('src', 'artifacts'),
-    jsonrpcUrl: devConstants.RPC_URL,
     networkId: constants.TESTRPC_NETWORK_ID,
     defaults: {
         gas: devConstants.GAS_ESTIMATE,
diff --git a/packages/contracts/test/utils/web3_wrapper.ts b/packages/contracts/test/utils/web3_wrapper.ts
index 35a8095a6..1a711dad2 100644
--- a/packages/contracts/test/utils/web3_wrapper.ts
+++ b/packages/contracts/test/utils/web3_wrapper.ts
@@ -3,4 +3,5 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 
 const web3ProviderConfig = { shouldUseInProcessGanache: true };
 export const web3 = web3Factory.create(web3ProviderConfig);
-export const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+export const provider = web3.currentProvider;
+export const web3Wrapper = new Web3Wrapper(provider);
diff --git a/packages/contracts/test/zrx_token.ts b/packages/contracts/test/zrx_token.ts
index a4cc3c2fc..b01615b39 100644
--- a/packages/contracts/test/zrx_token.ts
+++ b/packages/contracts/test/zrx_token.ts
@@ -11,7 +11,7 @@ import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
-import { web3, web3Wrapper } from './utils/web3_wrapper';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -31,11 +31,11 @@ describe('ZRXToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];
-        zeroEx = new ZeroEx(web3.currentProvider, {
+        zeroEx = new ZeroEx(provider, {
             networkId: constants.TESTRPC_NETWORK_ID,
         });
         const zrxInstance = await deployer.deployAsync(ContractName.ZRXToken);
-        zrx = new ZRXTokenContract(web3Wrapper, zrxInstance.abi, zrxInstance.address);
+        zrx = new ZRXTokenContract(zrxInstance.abi, zrxInstance.address, provider);
         zrxAddress = zrx.address;
         MAX_UINT = zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
     });