Merge pull request #574 from 0xProject/feature/rm-rf-deployer

Remove @0xproject/deployer.Deployer. Make contracts able to deploy themselves

17 files changed, 325 insertions, 193 deletions

diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index c47518f17..9e082a6de 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -16,17 +16,17 @@
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "run_mocha": "mocha 'lib/test/**/*.js' --timeout 100000 --bail --exit",
         "compile:comment": "Yarn workspaces do not link binaries correctly so we need to reference them directly https://github.com/yarnpkg/yarn/issues/3846",
-        "compile": "node ../deployer/lib/src/cli.js compile",
+        "compile": "node ../sol-compiler/lib/src/cli.js",
         "clean": "shx rm -rf ./lib",
         "generate_contract_wrappers": "node ../abi-gen/lib/index.js --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers && prettier --write 'src/contract_wrappers/generated/**.ts'",
-        "lint": "tslint --project . 'migrations/**/*.ts' 'test/**/*.ts' 'util/**/*.ts' 'deploy/**/*.ts'",
+        "lint": "tslint --project .",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
         "coverage:report:lcov": "istanbul report lcov",
         "test:circleci": "yarn test:coverage"
     },
     "config": {
-        "abis": "../migrations/artifacts/1.0.0/@(DummyToken|TokenTransferProxy|Exchange|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|Arbitrage|EtherDelta|AccountLevels).json"
+        "abis": "../migrations/artifacts/1.0.0/@(DummyToken|TokenTransferProxy|Exchange|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|Arbitrage|EtherDelta|AccountLevels|WETH9|MaliciousToken).json"
     },
     "repository": {
         "type": "git",
@@ -60,7 +60,8 @@
     },
     "dependencies": {
         "0x.js": "^0.37.2",
-        "@0xproject/deployer": "^0.4.3",
+        "@0xproject/base-contract": "^0.3.1",
+        "@0xproject/sol-compiler": "^0.4.3",
         "@0xproject/types": "^0.6.3",
         "@0xproject/typescript-typings": "^0.3.1",
         "@0xproject/utils": "^0.6.1",
@@ -68,7 +69,7 @@
         "bn.js": "^4.11.8",
         "ethereumjs-abi": "^0.6.4",
         "ethereumjs-util": "^5.1.1",
-        "ethers-contracts": "^2.2.1",
+        "ethers": "^3.0.15",
         "lodash": "^4.17.4",
         "web3": "^0.20.0"
     }
diff --git a/packages/contracts/test/ether_token.ts b/packages/contracts/test/ether_token.ts
index 4023abad0..f80f2159e 100644
--- a/packages/contracts/test/ether_token.ts
+++ b/packages/contracts/test/ether_token.ts
@@ -4,12 +4,14 @@ import { BigNumber, promisify } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 
+import { WETH9Contract } from '../src/contract_wrappers/generated/weth9';
+import { artifacts } from '../util/artifacts';
 import { constants } from '../util/constants';
 import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -24,7 +26,7 @@ describe('EtherToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         account = accounts[0];
 
-        const etherToken = await deployer.deployAsync(ContractName.EtherToken);
+        const etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.EtherToken, provider, txDefaults);
         etherTokenAddress = etherToken.address;
         zeroEx = new ZeroEx(provider, {
             gasPrice,
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index 689b11062..e40b564c6 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -13,7 +13,9 @@ import {
     LogErrorContractEventArgs,
     LogFillContractEventArgs,
 } from '../../src/contract_wrappers/generated/exchange';
+import { MaliciousTokenContract } from '../../src/contract_wrappers/generated/malicious_token';
 import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { Balances } from '../../util/balances';
 import { constants } from '../../util/constants';
 import { crypto } from '../../util/crypto';
@@ -21,8 +23,8 @@ import { ExchangeWrapper } from '../../util/exchange_wrapper';
 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 { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -54,25 +56,47 @@ describe('Exchange', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         maker = accounts[0];
         [tokenOwner, taker, feeRecipient] = accounts;
-        const [repInstance, dgdInstance, zrxInstance] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+        [rep, dgd, zrx] = await Promise.all([
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
         ]);
-        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(
-            tokenTransferProxyInstance.abi,
-            tokenTransferProxyInstance.address,
+        tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
             provider,
+            txDefaults,
         );
-        const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
+        exchange = await ExchangeContract.deployFrom0xArtifactAsync(
+            artifacts.Exchange,
+            provider,
+            txDefaults,
             zrx.address,
             tokenTransferProxy.address,
-        ]);
-        exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
+        );
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
         zeroEx = new ZeroEx(provider, {
             exchangeContractAddress: exchange.address,
@@ -689,7 +713,11 @@ describe('Exchange', () => {
 
         it('should throw if getBalance or getAllowance attempts to change state and \
                 shouldThrowOnInsufficientBalanceOrAllowance = false', async () => {
-            const maliciousToken = await deployer.deployAsync(ContractName.MaliciousToken);
+            const maliciousToken = await MaliciousTokenContract.deployFrom0xArtifactAsync(
+                artifacts.MaliciousToken,
+                provider,
+                txDefaults,
+            );
             await maliciousToken.approve.sendTransactionAsync(tokenTransferProxy.address, INITIAL_ALLOWANCE, {
                 from: taker,
             });
diff --git a/packages/contracts/test/exchange/helpers.ts b/packages/contracts/test/exchange/helpers.ts
index 8fc30c0b5..441c1bc28 100644
--- a/packages/contracts/test/exchange/helpers.ts
+++ b/packages/contracts/test/exchange/helpers.ts
@@ -11,13 +11,18 @@ import {
     LogErrorContractEventArgs,
     LogFillContractEventArgs,
 } from '../../src/contract_wrappers/generated/exchange';
+
+import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
+import { TokenRegistryContract } from '../../src/contract_wrappers/generated/token_registry';
+import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { constants } from '../../util/constants';
 import { ExchangeWrapper } from '../../util/exchange_wrapper';
 import { OrderFactory } from '../../util/order_factory';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
-import { deployer } from '../utils/deployer';
-import { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -35,19 +40,53 @@ describe('Exchange', () => {
     before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         [maker, feeRecipient] = accounts;
-        const tokenRegistry = await deployer.deployAsync(ContractName.TokenRegistry);
-        const tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
+        const tokenRegistry = await TokenRegistryContract.deployFrom0xArtifactAsync(
+            artifacts.TokenRegistry,
+            provider,
+            txDefaults,
+        );
+        const tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
+            provider,
+            txDefaults,
+        );
         const [rep, dgd, zrx] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
         ]);
-        const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
+        const exchange = await ExchangeContract.deployFrom0xArtifactAsync(
+            artifacts.Exchange,
+            provider,
+            txDefaults,
             zrx.address,
             tokenTransferProxy.address,
-        ]);
-        const exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
-        await tokenTransferProxy.addAuthorizedAddress(exchange.address, { from: accounts[0] });
+        );
+        await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
         const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
         exchangeWrapper = new ExchangeWrapper(exchange, zeroEx);
         const defaultOrderParams = {
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index c658dca79..57ccd05bd 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -15,14 +15,15 @@ import {
 } from '../../src/contract_wrappers/generated/exchange';
 import { TokenRegistryContract } from '../../src/contract_wrappers/generated/token_registry';
 import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { Balances } from '../../util/balances';
 import { constants } from '../../util/constants';
 import { ExchangeWrapper } from '../../util/exchange_wrapper';
 import { OrderFactory } from '../../util/order_factory';
 import { BalancesByOwner, ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
-import { deployer } from '../utils/deployer';
-import { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -54,27 +55,52 @@ describe('Exchange', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         tokenOwner = accounts[0];
         [maker, taker, feeRecipient] = accounts;
-        const [repInstance, dgdInstance, zrxInstance] = await Promise.all([
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
-            deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS),
+        [rep, dgd, zrx] = await Promise.all([
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
+            DummyTokenContract.deployFrom0xArtifactAsync(
+                artifacts.DummyToken,
+                provider,
+                txDefaults,
+                constants.DUMMY_TOKEN_NAME,
+                constants.DUMMY_TOKEN_SYMBOL,
+                constants.DUMMY_TOKEN_DECIMALS,
+                constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+            ),
         ]);
-        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(tokenRegistryInstance.abi, tokenRegistryInstance.address, provider);
-        const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
-        tokenTransferProxy = new TokenTransferProxyContract(
-            tokenTransferProxyInstance.abi,
-            tokenTransferProxyInstance.address,
+        tokenRegistry = await TokenRegistryContract.deployFrom0xArtifactAsync(
+            artifacts.TokenRegistry,
+            provider,
+            txDefaults,
+        );
+        tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
             provider,
+            txDefaults,
         );
-        const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
+        exchange = await ExchangeContract.deployFrom0xArtifactAsync(
+            artifacts.Exchange,
+            provider,
+            txDefaults,
             zrx.address,
             tokenTransferProxy.address,
-        ]);
-        exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
+        );
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
         const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
         exWrapper = new ExchangeWrapper(exchange, zeroEx);
diff --git a/packages/contracts/test/multi_sig_with_time_lock.ts b/packages/contracts/test/multi_sig_with_time_lock.ts
index 5cc744713..01bc0ec90 100644
--- a/packages/contracts/test/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock.ts
@@ -14,10 +14,10 @@ import { MultiSigWrapper } from '../util/multi_sig_wrapper';
 import { ContractName, SubmissionContractEventArgs } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
 
-const MULTI_SIG_ABI = artifacts.MultiSigWalletWithTimeLockArtifact.compilerOutput.abi;
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
+
+const MULTI_SIG_ABI = artifacts.MultiSigWalletWithTimeLock.compilerOutput.abi;
 chaiSetup.configure();
 const expect = chai.expect;
 const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
@@ -47,15 +47,13 @@ describe('MultiSigWalletWithTimeLock', () => {
     describe('changeTimeLock', () => {
         describe('initially non-time-locked', async () => {
             before('deploy a wallet', async () => {
-                const multiSigInstance = await deployer.deployAsync(ContractName.MultiSigWalletWithTimeLock, [
+                multiSig = await MultiSigWalletWithTimeLockContract.deployFrom0xArtifactAsync(
+                    artifacts.MultiSigWalletWithTimeLock,
+                    provider,
+                    txDefaults,
                     owners,
                     SIGNATURES_REQUIRED,
-                    0,
-                ]);
-                multiSig = new MultiSigWalletWithTimeLockContract(
-                    multiSigInstance.abi,
-                    multiSigInstance.address,
-                    provider,
+                    new BigNumber(0),
                 );
                 multiSigWrapper = new MultiSigWrapper((multiSig as any) as MultiSigWalletContract);
 
@@ -144,15 +142,13 @@ describe('MultiSigWalletWithTimeLock', () => {
         });
         describe('initially time-locked', async () => {
             before('deploy a wallet', async () => {
-                const multiSigInstance = await deployer.deployAsync(ContractName.MultiSigWalletWithTimeLock, [
+                multiSig = await MultiSigWalletWithTimeLockContract.deployFrom0xArtifactAsync(
+                    artifacts.MultiSigWalletWithTimeLock,
+                    provider,
+                    txDefaults,
                     owners,
                     SIGNATURES_REQUIRED,
                     SECONDS_TIME_LOCKED,
-                ]);
-                multiSig = new MultiSigWalletWithTimeLockContract(
-                    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 06fa30d96..1c2ddea87 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
@@ -1,6 +1,6 @@
 import { LogWithDecodedArgs, ZeroEx } from '0x.js';
 import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
-import { AbiDecoder } from '@0xproject/utils';
+import { AbiDecoder, BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as Web3 from 'web3';
@@ -15,11 +15,11 @@ import { MultiSigWrapper } from '../util/multi_sig_wrapper';
 import { ContractName, SubmissionContractEventArgs, TransactionDataParams } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
-const PROXY_ABI = artifacts.TokenTransferProxyArtifact.compilerOutput.abi;
+
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
+const PROXY_ABI = artifacts.TokenTransferProxy.compilerOutput.abi;
 const MUTISIG_WALLET_WITH_TIME_LOCK_EXCEPT_REMOVE_AUTHORIZED_ADDRESS_ABI =
-    artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact.compilerOutput.abi;
+    artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.compilerOutput.abi;
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -29,8 +29,8 @@ const abiDecoder = new AbiDecoder([MUTISIG_WALLET_WITH_TIME_LOCK_EXCEPT_REMOVE_A
 describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
     const zeroEx = new ZeroEx(provider, { networkId: constants.TESTRPC_NETWORK_ID });
     let owners: string[];
-    const requiredApprovals = 2;
-    const SECONDS_TIME_LOCKED = 1000000;
+    const requiredApprovals = new BigNumber(2);
+    const SECONDS_TIME_LOCKED = new BigNumber(1000000);
 
     // initialize fake addresses
     let authorizedAddress: string;
@@ -46,23 +46,22 @@ describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
         owners = [accounts[0], accounts[1]];
         [authorizedAddress, unauthorizedAddress] = accounts;
         const initialOwner = accounts[0];
-        const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
-        tokenTransferProxy = new TokenTransferProxyContract(
-            tokenTransferProxyInstance.abi,
-            tokenTransferProxyInstance.address,
+        tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
             provider,
+            txDefaults,
         );
         await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(authorizedAddress, {
             from: initialOwner,
         });
-        const multiSigInstance = await deployer.deployAsync(
-            ContractName.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,
-            [owners, requiredApprovals, SECONDS_TIME_LOCKED, tokenTransferProxy.address],
-        );
-        multiSig = new MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressContract(
-            multiSigInstance.abi,
-            multiSigInstance.address,
+        multiSig = await MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressContract.deployFrom0xArtifactAsync(
+            artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,
             provider,
+            txDefaults,
+            owners,
+            requiredApprovals,
+            SECONDS_TIME_LOCKED,
+            tokenTransferProxy.address,
         );
         await tokenTransferProxy.transferOwnership.sendTransactionAsync(multiSig.address, {
             from: initialOwner,
@@ -110,7 +109,11 @@ describe('MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress', () => {
         });
 
         it('should throw if tx destination is not the tokenTransferProxy', async () => {
-            const invalidTokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
+            const invalidTokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+                artifacts.TokenTransferProxy,
+                provider,
+                txDefaults,
+            );
             const invalidDestination = invalidTokenTransferProxy.address;
             const dataParams: TransactionDataParams = {
                 name: 'removeAuthorizedAddress',
diff --git a/packages/contracts/test/token_registry.ts b/packages/contracts/test/token_registry.ts
index 4c404176b..8b7c3048d 100644
--- a/packages/contracts/test/token_registry.ts
+++ b/packages/contracts/test/token_registry.ts
@@ -8,13 +8,13 @@ import * as _ from 'lodash';
 import * as Web3 from 'web3';
 
 import { TokenRegistryContract } from '../src/contract_wrappers/generated/token_registry';
+import { artifacts } from '../util/artifacts';
 import { constants } from '../util/constants';
 import { TokenRegWrapper } from '../util/token_registry_wrapper';
 import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -29,8 +29,7 @@ describe('TokenRegistry', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         notOwner = accounts[1];
-        const tokenRegInstance = await deployer.deployAsync(ContractName.TokenRegistry);
-        tokenReg = new TokenRegistryContract(tokenRegInstance.abi, tokenRegInstance.address, provider);
+        tokenReg = await TokenRegistryContract.deployFrom0xArtifactAsync(artifacts.TokenRegistry, provider, txDefaults);
         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 885ff3bc1..97e8d0c2e 100644
--- a/packages/contracts/test/token_transfer_proxy/auth.ts
+++ b/packages/contracts/test/token_transfer_proxy/auth.ts
@@ -4,11 +4,12 @@ import * as chai from 'chai';
 import * as Web3 from 'web3';
 
 import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { constants } from '../../util/constants';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
-import { deployer } from '../utils/deployer';
-import { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -23,11 +24,10 @@ describe('TokenTransferProxy', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = address = accounts[0];
         notOwner = accounts[1];
-        const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
-        tokenTransferProxy = new TokenTransferProxyContract(
-            tokenTransferProxyInstance.abi,
-            tokenTransferProxyInstance.address,
+        tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
             provider,
+            txDefaults,
         );
     });
     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 dff1a0cfb..c31d8a1cb 100644
--- a/packages/contracts/test/token_transfer_proxy/transfer_from.ts
+++ b/packages/contracts/test/token_transfer_proxy/transfer_from.ts
@@ -6,12 +6,13 @@ import * as Web3 from 'web3';
 
 import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
 import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { Balances } from '../../util/balances';
 import { constants } from '../../util/constants';
 import { ContractName } from '../../util/types';
 import { chaiSetup } from '../utils/chai_setup';
-import { deployer } from '../utils/deployer';
-import { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -31,15 +32,20 @@ describe('TokenTransferProxy', () => {
     before(async () => {
         accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = notAuthorized = accounts[0];
-        const tokenTransferProxyInstance = await deployer.deployAsync(ContractName.TokenTransferProxy);
-        tokenTransferProxy = new TokenTransferProxyContract(
-            tokenTransferProxyInstance.abi,
-            tokenTransferProxyInstance.address,
+        tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
             provider,
+            txDefaults,
+        );
+        rep = await DummyTokenContract.deployFrom0xArtifactAsync(
+            artifacts.DummyToken,
+            provider,
+            txDefaults,
+            constants.DUMMY_TOKEN_NAME,
+            constants.DUMMY_TOKEN_SYMBOL,
+            constants.DUMMY_TOKEN_DECIMALS,
+            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
         );
-        const repInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        rep = new DummyTokenContract(repInstance.abi, repInstance.address, provider);
-
         dmyBalances = new Balances([rep], [accounts[0], accounts[1]]);
         await Promise.all([
             rep.approve.sendTransactionAsync(tokenTransferProxy.address, INIT_ALLOW, {
diff --git a/packages/contracts/test/tutorials/arbitrage.ts b/packages/contracts/test/tutorials/arbitrage.ts
index ad83bbca3..aa86ecd43 100644
--- a/packages/contracts/test/tutorials/arbitrage.ts
+++ b/packages/contracts/test/tutorials/arbitrage.ts
@@ -6,9 +6,13 @@ import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 import * as Web3 from 'web3';
 
+import { AccountLevelsContract } from '../../src/contract_wrappers/generated/account_levels';
 import { ArbitrageContract } from '../../src/contract_wrappers/generated/arbitrage';
+import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
 import { EtherDeltaContract } from '../../src/contract_wrappers/generated/ether_delta';
 import { ExchangeContract } from '../../src/contract_wrappers/generated/exchange';
+import { TokenTransferProxyContract } from '../../src/contract_wrappers/generated/token_transfer_proxy';
+import { artifacts } from '../../util/artifacts';
 import { Balances } from '../../util/balances';
 import { constants } from '../../util/constants';
 import { crypto } from '../../util/crypto';
@@ -16,8 +20,8 @@ import { ExchangeWrapper } from '../../util/exchange_wrapper';
 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 { provider, web3Wrapper } from '../utils/web3_wrapper';
+
+import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -36,8 +40,8 @@ describe('Arbitrage', () => {
     const INITIAL_BALANCE = ZeroEx.toBaseUnitAmount(new BigNumber(10000), 18);
     const INITIAL_ALLOWANCE = ZeroEx.toBaseUnitAmount(new BigNumber(10000), 18);
 
-    let weth: Web3.ContractInstance;
-    let zrx: Web3.ContractInstance;
+    let weth: DummyTokenContract;
+    let zrx: DummyTokenContract;
     let arbitrage: ArbitrageContract;
     let etherDelta: EtherDeltaContract;
 
@@ -54,33 +58,61 @@ describe('Arbitrage', () => {
     before(async () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         [coinbase, maker, edMaker, edFrontRunner] = accounts;
-        weth = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        zrx = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        const accountLevels = await deployer.deployAsync(ContractName.AccountLevels);
+        weth = await DummyTokenContract.deployFrom0xArtifactAsync(
+            artifacts.DummyToken,
+            provider,
+            txDefaults,
+            constants.DUMMY_TOKEN_NAME,
+            constants.DUMMY_TOKEN_SYMBOL,
+            constants.DUMMY_TOKEN_DECIMALS,
+            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+        );
+        zrx = await DummyTokenContract.deployFrom0xArtifactAsync(
+            artifacts.DummyToken,
+            provider,
+            txDefaults,
+            constants.DUMMY_TOKEN_NAME,
+            constants.DUMMY_TOKEN_SYMBOL,
+            constants.DUMMY_TOKEN_DECIMALS,
+            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+        );
+        const accountLevels = await AccountLevelsContract.deployFrom0xArtifactAsync(
+            artifacts.AccountLevels,
+            provider,
+            txDefaults,
+        );
         const edAdminAddress = accounts[0];
-        const edMakerFee = 0;
-        const edTakerFee = 0;
-        const edFeeRebate = 0;
-        const etherDeltaInstance = await deployer.deployAsync(ContractName.EtherDelta, [
+        const edMakerFee = new BigNumber(0);
+        const edTakerFee = new BigNumber(0);
+        const edFeeRebate = new BigNumber(0);
+        etherDelta = await EtherDeltaContract.deployFrom0xArtifactAsync(
+            artifacts.EtherDelta,
+            provider,
+            txDefaults,
             edAdminAddress,
             feeRecipient,
             accountLevels.address,
             edMakerFee,
             edTakerFee,
             edFeeRebate,
-        ]);
-        etherDelta = new EtherDeltaContract(etherDeltaInstance.abi, etherDeltaInstance.address, provider);
-        const tokenTransferProxy = await deployer.deployAsync(ContractName.TokenTransferProxy);
-        const exchangeInstance = await deployer.deployAsync(ContractName.Exchange, [
+        );
+        const tokenTransferProxy = await TokenTransferProxyContract.deployFrom0xArtifactAsync(
+            artifacts.TokenTransferProxy,
+            provider,
+            txDefaults,
+        );
+        const exchange = await ExchangeContract.deployFrom0xArtifactAsync(
+            artifacts.Exchange,
+            provider,
+            txDefaults,
             zrx.address,
             tokenTransferProxy.address,
-        ]);
-        await tokenTransferProxy.addAuthorizedAddress(exchangeInstance.address, { from: accounts[0] });
+        );
+        await tokenTransferProxy.addAuthorizedAddress.sendTransactionAsync(exchange.address, { from: accounts[0] });
         zeroEx = new ZeroEx(provider, {
-            exchangeContractAddress: exchangeInstance.address,
+            exchangeContractAddress: exchange.address,
             networkId: constants.TESTRPC_NETWORK_ID,
         });
-        const exchange = new ExchangeContract(exchangeInstance.abi, exchangeInstance.address, provider);
         exWrapper = new ExchangeWrapper(exchange, zeroEx);
 
         makerTokenAmount = ZeroEx.toBaseUnitAmount(new BigNumber(1), 18);
@@ -97,37 +129,39 @@ describe('Arbitrage', () => {
             takerFee: new BigNumber(0),
         };
         orderFactory = new OrderFactory(zeroEx, defaultOrderParams);
-        const arbitrageInstance = await deployer.deployAsync(ContractName.Arbitrage, [
+        arbitrage = await ArbitrageContract.deployFrom0xArtifactAsync(
+            artifacts.Arbitrage,
+            provider,
+            txDefaults,
             exchange.address,
             etherDelta.address,
             tokenTransferProxy.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 });
 
         // Give some tokens to arbitrage contract
-        await weth.setBalance(arbitrage.address, takerTokenAmount, { from: coinbase });
+        await weth.setBalance.sendTransactionAsync(arbitrage.address, takerTokenAmount, { from: coinbase });
 
         // Fund the maker on exchange side
-        await zrx.setBalance(maker, makerTokenAmount, { from: coinbase });
+        await zrx.setBalance.sendTransactionAsync(maker, makerTokenAmount, { from: coinbase });
         // Set the allowance for the maker on Exchange side
-        await zrx.approve(tokenTransferProxy.address, INITIAL_ALLOWANCE, { from: maker });
+        await zrx.approve.sendTransactionAsync(tokenTransferProxy.address, INITIAL_ALLOWANCE, { from: maker });
 
         amountGive = ZeroEx.toBaseUnitAmount(new BigNumber(2), 18);
         // Fund the maker on EtherDelta side
-        await weth.setBalance(edMaker, amountGive, { from: coinbase });
+        await weth.setBalance.sendTransactionAsync(edMaker, amountGive, { from: coinbase });
         // Set the allowance for the maker on EtherDelta side
-        await weth.approve(etherDelta.address, INITIAL_ALLOWANCE, { from: edMaker });
+        await weth.approve.sendTransactionAsync(etherDelta.address, INITIAL_ALLOWANCE, { from: edMaker });
         // Deposit maker funds into EtherDelta
         await etherDelta.depositToken.sendTransactionAsync(weth.address, amountGive, { from: edMaker });
 
         amountGet = makerTokenAmount;
         // Fund the front runner on EtherDelta side
-        await zrx.setBalance(edFrontRunner, amountGet, { from: coinbase });
+        await zrx.setBalance.sendTransactionAsync(edFrontRunner, amountGet, { from: coinbase });
         // Set the allowance for the front-runner on EtherDelta side
-        await zrx.approve(etherDelta.address, INITIAL_ALLOWANCE, { from: edFrontRunner });
+        await zrx.approve.sendTransactionAsync(etherDelta.address, INITIAL_ALLOWANCE, { from: edFrontRunner });
         // Deposit front runner funds into EtherDelta
         await etherDelta.depositToken.sendTransactionAsync(zrx.address, amountGet, { from: edFrontRunner });
     });
@@ -194,11 +228,11 @@ describe('Arbitrage', () => {
                 from: coinbase,
             });
             const res = await zeroEx.awaitTransactionMinedAsync(txHash);
-            const postBalance = await weth.balanceOf(arbitrage.address);
+            const postBalance = await weth.balanceOf.callAsync(arbitrage.address);
             expect(postBalance).to.be.bignumber.equal(amountGive);
         });
         it('should fail and revert if front-runned', async () => {
-            const preBalance = await weth.balanceOf(arbitrage.address);
+            const preBalance = await weth.balanceOf.callAsync(arbitrage.address);
             // Front-running transaction
             await etherDelta.trade.sendTransactionAsync(
                 tokenGet,
@@ -218,7 +252,7 @@ describe('Arbitrage', () => {
             await expect(
                 arbitrage.makeAtomicTrade.sendTransactionAsync(addresses, values, v, r, s, { from: coinbase }),
             ).to.be.rejectedWith(constants.REVERT);
-            const postBalance = await weth.balanceOf(arbitrage.address);
+            const postBalance = await weth.balanceOf.callAsync(arbitrage.address);
             expect(preBalance).to.be.bignumber.equal(postBalance);
         });
     });
diff --git a/packages/contracts/test/unlimited_allowance_token.ts b/packages/contracts/test/unlimited_allowance_token.ts
index 618bda72d..da2e5fb5b 100644
--- a/packages/contracts/test/unlimited_allowance_token.ts
+++ b/packages/contracts/test/unlimited_allowance_token.ts
@@ -6,12 +6,12 @@ import * as chai from 'chai';
 import * as Web3 from 'web3';
 
 import { DummyTokenContract } from '../src/contract_wrappers/generated/dummy_token';
+import { artifacts } from '../util/artifacts';
 import { constants } from '../util/constants';
 import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -33,8 +33,15 @@ describe('UnlimitedAllowanceToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];
-        const tokenInstance = await deployer.deployAsync(ContractName.DummyToken, constants.DUMMY_TOKEN_ARGS);
-        token = new DummyTokenContract(tokenInstance.abi, tokenInstance.address, provider);
+        token = await DummyTokenContract.deployFrom0xArtifactAsync(
+            artifacts.DummyToken,
+            provider,
+            txDefaults,
+            constants.DUMMY_TOKEN_NAME,
+            constants.DUMMY_TOKEN_SYMBOL,
+            constants.DUMMY_TOKEN_DECIMALS,
+            constants.DUMMY_TOKEN_TOTAL_SUPPLY,
+        );
         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
deleted file mode 100644
index 2f0951475..000000000
--- a/packages/contracts/test/utils/deployer.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Deployer } from '@0xproject/deployer';
-import { devConstants } from '@0xproject/dev-utils';
-import * as path from 'path';
-
-import { constants } from '../../util/constants';
-
-import { web3 } from './web3_wrapper';
-
-const deployerOpts = {
-    provider: web3.currentProvider,
-    artifactsDir: path.resolve('lib', 'src', 'artifacts'),
-    networkId: constants.TESTRPC_NETWORK_ID,
-    defaults: {
-        gas: devConstants.GAS_ESTIMATE,
-    },
-};
-
-export const deployer = new Deployer(deployerOpts);
diff --git a/packages/contracts/test/utils/web3_wrapper.ts b/packages/contracts/test/utils/web3_wrapper.ts
index dd6f198c4..ed1c488a2 100644
--- a/packages/contracts/test/utils/web3_wrapper.ts
+++ b/packages/contracts/test/utils/web3_wrapper.ts
@@ -1,7 +1,11 @@
-import { web3Factory } from '@0xproject/dev-utils';
+import { devConstants, web3Factory } from '@0xproject/dev-utils';
 import { Provider } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 
+export const txDefaults = {
+    from: devConstants.TESTRPC_FIRST_ADDRESS,
+    gas: devConstants.GAS_ESTIMATE,
+};
 const providerConfigs = { shouldUseInProcessGanache: true };
 export const web3 = web3Factory.create(providerConfigs);
 export const provider = web3.currentProvider;
diff --git a/packages/contracts/test/zrx_token.ts b/packages/contracts/test/zrx_token.ts
index b01615b39..0056ed4b5 100644
--- a/packages/contracts/test/zrx_token.ts
+++ b/packages/contracts/test/zrx_token.ts
@@ -6,12 +6,12 @@ import * as chai from 'chai';
 import * as Web3 from 'web3';
 
 import { ZRXTokenContract } from '../src/contract_wrappers/generated/zrx_token';
+import { artifacts } from '../util/artifacts';
 import { constants } from '../util/constants';
 import { ContractName } from '../util/types';
 
 import { chaiSetup } from './utils/chai_setup';
-import { deployer } from './utils/deployer';
-import { provider, web3Wrapper } from './utils/web3_wrapper';
+import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
 
 chaiSetup.configure();
 const expect = chai.expect;
@@ -34,8 +34,7 @@ describe('ZRXToken', () => {
         zeroEx = new ZeroEx(provider, {
             networkId: constants.TESTRPC_NETWORK_ID,
         });
-        const zrxInstance = await deployer.deployAsync(ContractName.ZRXToken);
-        zrx = new ZRXTokenContract(zrxInstance.abi, zrxInstance.address, provider);
+        zrx = await ZRXTokenContract.deployFrom0xArtifactAsync(artifacts.ZRX, provider, txDefaults);
         zrxAddress = zrx.address;
         MAX_UINT = zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
     });
diff --git a/packages/contracts/util/artifacts.ts b/packages/contracts/util/artifacts.ts
index a1d6e5060..8511b0082 100644
--- a/packages/contracts/util/artifacts.ts
+++ b/packages/contracts/util/artifacts.ts
@@ -1,25 +1,31 @@
-import { ContractArtifact } from '@0xproject/deployer';
+import { ContractArtifact } from '@0xproject/sol-compiler';
 
-import * as DummyTokenArtifact from '../src/artifacts/DummyToken.json';
-import * as ExchangeArtifact from '../src/artifacts/Exchange.json';
-import * as MaliciousTokenArtifact from '../src/artifacts/MaliciousToken.json';
-import * as MultiSigWalletWithTimeLockArtifact from '../src/artifacts/MultiSigWalletWithTimeLock.json';
-import * as MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact from '../src/artifacts/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.json';
-import * as TokenArtifact from '../src/artifacts/Token.json';
-import * as TokenRegistryArtifact from '../src/artifacts/TokenRegistry.json';
-import * as TokenTransferProxyArtifact from '../src/artifacts/TokenTransferProxy.json';
-import * as EtherTokenArtifact from '../src/artifacts/WETH9.json';
-import * as ZRXArtifact from '../src/artifacts/ZRXToken.json';
+import * as AccountLevels from '../src/artifacts/AccountLevels.json';
+import * as Arbitrage from '../src/artifacts/Arbitrage.json';
+import * as DummyToken from '../src/artifacts/DummyToken.json';
+import * as EtherDelta from '../src/artifacts/EtherDelta.json';
+import * as Exchange from '../src/artifacts/Exchange.json';
+import * as MaliciousToken from '../src/artifacts/MaliciousToken.json';
+import * as MultiSigWalletWithTimeLock from '../src/artifacts/MultiSigWalletWithTimeLock.json';
+import * as MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress from '../src/artifacts/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.json';
+import * as Token from '../src/artifacts/Token.json';
+import * as TokenRegistry from '../src/artifacts/TokenRegistry.json';
+import * as TokenTransferProxy from '../src/artifacts/TokenTransferProxy.json';
+import * as EtherToken from '../src/artifacts/WETH9.json';
+import * as ZRX from '../src/artifacts/ZRXToken.json';
 
 export const artifacts = {
-    ZRXArtifact: (ZRXArtifact as any) as ContractArtifact,
-    DummyTokenArtifact: (DummyTokenArtifact as any) as ContractArtifact,
-    TokenArtifact: (TokenArtifact as any) as ContractArtifact,
-    ExchangeArtifact: (ExchangeArtifact as any) as ContractArtifact,
-    EtherTokenArtifact: (EtherTokenArtifact as any) as ContractArtifact,
-    TokenRegistryArtifact: (TokenRegistryArtifact as any) as ContractArtifact,
-    MaliciousTokenArtifact: (MaliciousTokenArtifact as any) as ContractArtifact,
-    TokenTransferProxyArtifact: (TokenTransferProxyArtifact as any) as ContractArtifact,
-    MultiSigWalletWithTimeLockArtifact: (MultiSigWalletWithTimeLockArtifact as any) as ContractArtifact,
-    MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact: (MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact as any) as ContractArtifact,
+    AccountLevels: (AccountLevels as any) as ContractArtifact,
+    Arbitrage: (Arbitrage as any) as ContractArtifact,
+    EtherDelta: (EtherDelta as any) as ContractArtifact,
+    ZRX: (ZRX as any) as ContractArtifact,
+    DummyToken: (DummyToken as any) as ContractArtifact,
+    Token: (Token as any) as ContractArtifact,
+    Exchange: (Exchange as any) as ContractArtifact,
+    EtherToken: (EtherToken as any) as ContractArtifact,
+    TokenRegistry: (TokenRegistry as any) as ContractArtifact,
+    MaliciousToken: (MaliciousToken as any) as ContractArtifact,
+    TokenTransferProxy: (TokenTransferProxy as any) as ContractArtifact,
+    MultiSigWalletWithTimeLock: (MultiSigWalletWithTimeLock as any) as ContractArtifact,
+    MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress: (MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress as any) as ContractArtifact,
 };
diff --git a/packages/contracts/util/constants.ts b/packages/contracts/util/constants.ts
index d1152e683..d287986b7 100644
--- a/packages/contracts/util/constants.ts
+++ b/packages/contracts/util/constants.ts
@@ -1,7 +1,4 @@
-const DUMMY_TOKEN_NAME = '';
-const DUMMY_TOKEN_SYMBOL = '';
-const DUMMY_TOKEN_DECIMALS = 18;
-const DUMMY_TOKEN_TOTAL_SUPPLY = 0;
+import { BigNumber } from '@0xproject/utils';
 
 export const constants = {
     INVALID_OPCODE: 'invalid opcode',
@@ -10,5 +7,8 @@ export const constants = {
     MAX_ETHERTOKEN_WITHDRAW_GAS: 43000,
     MAX_TOKEN_TRANSFERFROM_GAS: 80000,
     MAX_TOKEN_APPROVE_GAS: 60000,
-    DUMMY_TOKEN_ARGS: [DUMMY_TOKEN_NAME, DUMMY_TOKEN_SYMBOL, DUMMY_TOKEN_DECIMALS, DUMMY_TOKEN_TOTAL_SUPPLY],
+    DUMMY_TOKEN_NAME: '',
+    DUMMY_TOKEN_SYMBOL: '',
+    DUMMY_TOKEN_DECIMALS: new BigNumber(18),
+    DUMMY_TOKEN_TOTAL_SUPPLY: new BigNumber(0),
 };