Merge branch 'dev-section-redesign' into reSkinReferenceDocs

* dev-section-redesign: (87 commits)
  Added note about restriction on `testDirectory`
  fix(dev-utils): Make chai a dev dependency since exported interface depends on it
  Add changelog entries
  fix(subproviders): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(sra-spec): make @loopback/openapi-v3-types a 'dependency' so it's available to users of the library
  fix(sol-cov): make @types/solidity-parser-antlr a 'dependency' so it's available to users of the library
  fix(dev-utils): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(0x.js): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(monorepo-scripts): Move the creation of the `.installation-test` directory OUTSIDE of the monorepo root, so that the installed packages can't reference the hoisted node_modules folder
  Remove ContractNotFound errors in contract-wrappers
  Update prettierignore
  Update website to use the new unsubscribeAll method in contract-wrappers
  In abi-gen-wrappers, ./wrappers -> ./src/generated-wrappers
  In contract-wrappers, remove setProvider and add unsubscribeAll method.
  take out explicit children definition in props
  Update json-schemas for contract-wrappers
  Add OrThrow suffix to getContractAddressesForNetwork
  remove unused import
  Update CHANGELOG.json for all changed packages
  Remove ContractAddresses from packages/types (mistake after rebase)
  ...

141 files changed, 279 insertions, 2468 deletions

diff --git a/packages/contracts/.solhintignore b/packages/contracts/.solhintignore
new file mode 100644
index 000000000..1e33ec53b
--- /dev/null
+++ b/packages/contracts/.solhintignore
@@ -0,0 +1,3 @@
+contracts/tokens/ZRXToken/ERC20Token_v1.sol
+contracts/tokens/ZRXToken/Token_v1.sol
+contracts/tokens/ZRXToken/UnlimitedAllowanceToken_v1.sol
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json
index 559b7cd1f..af3980b4e 100644
--- a/packages/contracts/compiler.json
+++ b/packages/contracts/compiler.json
@@ -1,6 +1,6 @@
 {
-    "artifactsDir": "../migrations/artifacts/development",
-    "contractsDir": "src/",
+    "artifactsDir": "./generated-artifacts",
+    "contractsDir": "./contracts",
     "compilerSettings": {
         "optimizer": {
             "enabled": true,
@@ -50,7 +50,6 @@
         "TestExchangeInternals",
         "TestSignatureValidator",
         "TestStaticCallReceiver",
-        "TokenRegistry",
         "Validator",
         "Wallet",
         "WETH9",
diff --git a/packages/contracts/src/2.0.0/examples/ExchangeWrapper/ExchangeWrapper.sol b/packages/contracts/contracts/examples/ExchangeWrapper/ExchangeWrapper.sol
index 2fa0e3c5e..2fa0e3c5e 100644
--- a/packages/contracts/src/2.0.0/examples/ExchangeWrapper/ExchangeWrapper.sol
+++ b/packages/contracts/contracts/examples/ExchangeWrapper/ExchangeWrapper.sol
diff --git a/packages/contracts/src/2.0.0/examples/Validator/Validator.sol b/packages/contracts/contracts/examples/Validator/Validator.sol
index 72ed528ba..72ed528ba 100644
--- a/packages/contracts/src/2.0.0/examples/Validator/Validator.sol
+++ b/packages/contracts/contracts/examples/Validator/Validator.sol
diff --git a/packages/contracts/src/2.0.0/examples/Wallet/Wallet.sol b/packages/contracts/contracts/examples/Wallet/Wallet.sol
index b75021a31..b75021a31 100644
--- a/packages/contracts/src/2.0.0/examples/Wallet/Wallet.sol
+++ b/packages/contracts/contracts/examples/Wallet/Wallet.sol
diff --git a/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol b/packages/contracts/contracts/examples/Whitelist/Whitelist.sol
index e4e25038c..e4e25038c 100644
--- a/packages/contracts/src/2.0.0/examples/Whitelist/Whitelist.sol
+++ b/packages/contracts/contracts/examples/Whitelist/Whitelist.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/Forwarder.sol b/packages/contracts/contracts/extensions/Forwarder/Forwarder.sol
index 94dec40ed..94dec40ed 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/Forwarder.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/Forwarder.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinAssets.sol b/packages/contracts/contracts/extensions/Forwarder/MixinAssets.sol
index 43efb5ff3..43efb5ff3 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinAssets.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/MixinAssets.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol b/packages/contracts/contracts/extensions/Forwarder/MixinExchangeWrapper.sol
index fea9a53c2..fea9a53c2 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinExchangeWrapper.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/MixinExchangeWrapper.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinForwarderCore.sol b/packages/contracts/contracts/extensions/Forwarder/MixinForwarderCore.sol
index 54487f726..54487f726 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinForwarderCore.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/MixinForwarderCore.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinWeth.sol b/packages/contracts/contracts/extensions/Forwarder/MixinWeth.sol
index d2814a49b..d2814a49b 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/MixinWeth.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/MixinWeth.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IAssets.sol b/packages/contracts/contracts/extensions/Forwarder/interfaces/IAssets.sol
index 1e034c003..1e034c003 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IAssets.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/interfaces/IAssets.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IForwarder.sol b/packages/contracts/contracts/extensions/Forwarder/interfaces/IForwarder.sol
index f5a26e2ba..f5a26e2ba 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IForwarder.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/interfaces/IForwarder.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol b/packages/contracts/contracts/extensions/Forwarder/interfaces/IForwarderCore.sol
index 74c7da01d..74c7da01d 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/interfaces/IForwarderCore.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/interfaces/IForwarderCore.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/libs/LibConstants.sol b/packages/contracts/contracts/extensions/Forwarder/libs/LibConstants.sol
index 704e42ce3..704e42ce3 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/libs/LibConstants.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/libs/LibConstants.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/libs/LibForwarderErrors.sol b/packages/contracts/contracts/extensions/Forwarder/libs/LibForwarderErrors.sol
index fb3ade1db..fb3ade1db 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/libs/LibForwarderErrors.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/libs/LibForwarderErrors.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MAssets.sol b/packages/contracts/contracts/extensions/Forwarder/mixins/MAssets.sol
index 9e7f80d97..9e7f80d97 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MAssets.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/mixins/MAssets.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol b/packages/contracts/contracts/extensions/Forwarder/mixins/MExchangeWrapper.sol
index 13c26b03a..13c26b03a 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MExchangeWrapper.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/mixins/MExchangeWrapper.sol
diff --git a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MWeth.sol b/packages/contracts/contracts/extensions/Forwarder/mixins/MWeth.sol
index 88e77be4e..88e77be4e 100644
--- a/packages/contracts/src/2.0.0/extensions/Forwarder/mixins/MWeth.sol
+++ b/packages/contracts/contracts/extensions/Forwarder/mixins/MWeth.sol
diff --git a/packages/contracts/src/2.0.0/extensions/OrderValidator/OrderValidator.sol b/packages/contracts/contracts/extensions/OrderValidator/OrderValidator.sol
index 8bfde3847..8bfde3847 100644
--- a/packages/contracts/src/2.0.0/extensions/OrderValidator/OrderValidator.sol
+++ b/packages/contracts/contracts/extensions/OrderValidator/OrderValidator.sol
diff --git a/packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol b/packages/contracts/contracts/multisig/MultiSigWallet.sol
index 516e7391c..516e7391c 100644
--- a/packages/contracts/src/2.0.0/multisig/MultiSigWallet.sol
+++ b/packages/contracts/contracts/multisig/MultiSigWallet.sol
diff --git a/packages/contracts/src/2.0.0/multisig/MultiSigWalletWithTimeLock.sol b/packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol
index 9513d3b30..9513d3b30 100644
--- a/packages/contracts/src/2.0.0/multisig/MultiSigWalletWithTimeLock.sol
+++ b/packages/contracts/contracts/multisig/MultiSigWalletWithTimeLock.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol b/packages/contracts/contracts/protocol/AssetProxy/ERC20Proxy.sol
index 258443bca..258443bca 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC20Proxy.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/ERC20Proxy.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol b/packages/contracts/contracts/protocol/AssetProxy/ERC721Proxy.sol
index 65b664b8b..65b664b8b 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/ERC721Proxy.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/ERC721Proxy.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/MixinAuthorizable.sol b/packages/contracts/contracts/protocol/AssetProxy/MixinAuthorizable.sol
index fe9bbf848..fe9bbf848 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/MixinAuthorizable.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/MixinAuthorizable.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAssetData.sol b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAssetData.sol
index 3e76e38dd..3e76e38dd 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAssetData.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAssetData.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAssetProxy.sol
index b25d2d75a..b25d2d75a 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAssetProxy.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAssetProxy.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAuthorizable.sol
index ba1d4aa77..ba1d4aa77 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/interfaces/IAuthorizable.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/interfaces/IAuthorizable.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/libs/LibAssetProxyErrors.sol b/packages/contracts/contracts/protocol/AssetProxy/libs/LibAssetProxyErrors.sol
index 1d9a70cc1..1d9a70cc1 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/libs/LibAssetProxyErrors.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/libs/LibAssetProxyErrors.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol b/packages/contracts/contracts/protocol/AssetProxy/mixins/MAuthorizable.sol
index d63fb7f6d..d63fb7f6d 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxy/mixins/MAuthorizable.sol
+++ b/packages/contracts/contracts/protocol/AssetProxy/mixins/MAuthorizable.sol
diff --git a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol b/packages/contracts/contracts/protocol/AssetProxyOwner/AssetProxyOwner.sol
index edb788fab..edb788fab 100644
--- a/packages/contracts/src/2.0.0/protocol/AssetProxyOwner/AssetProxyOwner.sol
+++ b/packages/contracts/contracts/protocol/AssetProxyOwner/AssetProxyOwner.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol b/packages/contracts/contracts/protocol/Exchange/Exchange.sol
index ead36009f..ead36009f 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/Exchange.sol
+++ b/packages/contracts/contracts/protocol/Exchange/Exchange.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol b/packages/contracts/contracts/protocol/Exchange/MixinAssetProxyDispatcher.sol
index 87b09b6b3..87b09b6b3 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinAssetProxyDispatcher.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinAssetProxyDispatcher.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol b/packages/contracts/contracts/protocol/Exchange/MixinExchangeCore.sol
index 736dcd0b1..736dcd0b1 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinExchangeCore.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinExchangeCore.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol b/packages/contracts/contracts/protocol/Exchange/MixinMatchOrders.sol
index b4f6bdb26..b4f6bdb26 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinMatchOrders.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinMatchOrders.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol b/packages/contracts/contracts/protocol/Exchange/MixinSignatureValidator.sol
index 176e28351..176e28351 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinSignatureValidator.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinSignatureValidator.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol b/packages/contracts/contracts/protocol/Exchange/MixinTransactions.sol
index 3a76ca202..3a76ca202 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinTransactions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinTransactions.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol b/packages/contracts/contracts/protocol/Exchange/MixinWrapperFunctions.sol
index cddff0e5f..cddff0e5f 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/MixinWrapperFunctions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/MixinWrapperFunctions.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
index 8db8d6f6c..8db8d6f6c 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IAssetProxyDispatcher.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IExchange.sol
index b92abba04..b92abba04 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchange.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IExchange.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IExchangeCore.sol
index 9995e0385..9995e0385 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IExchangeCore.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IExchangeCore.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IMatchOrders.sol
index 73447f3ae..73447f3ae 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IMatchOrders.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IMatchOrders.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/ISignatureValidator.sol
index 1fd0eccf0..1fd0eccf0 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ISignatureValidator.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/ISignatureValidator.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/ITransactions.sol
index 4446c55ce..4446c55ce 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/ITransactions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/ITransactions.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IValidator.sol
index 2dd69100c..2dd69100c 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IValidator.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IValidator.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IWallet.sol
index c97161ca6..c97161ca6 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWallet.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IWallet.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol b/packages/contracts/contracts/protocol/Exchange/interfaces/IWrapperFunctions.sol
index 56a533646..56a533646 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/interfaces/IWrapperFunctions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/interfaces/IWrapperFunctions.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibAbiEncoder.sol
index 4aad37709..4aad37709 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibAbiEncoder.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibAbiEncoder.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibConstants.sol
index 8d2732cd3..8d2732cd3 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibConstants.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibConstants.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibEIP712.sol
index 203edc1fd..203edc1fd 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibEIP712.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibEIP712.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibExchangeErrors.sol
index a0f75bc06..a0f75bc06 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibExchangeErrors.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibExchangeErrors.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibFillResults.sol
index 659ae9a69..659ae9a69 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibFillResults.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibFillResults.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibMath.sol
index c0b85ea10..c0b85ea10 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibMath.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibMath.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol b/packages/contracts/contracts/protocol/Exchange/libs/LibOrder.sol
index 0fe7c2161..0fe7c2161 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/libs/LibOrder.sol
+++ b/packages/contracts/contracts/protocol/Exchange/libs/LibOrder.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
index 0ddfca270..0ddfca270 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MAssetProxyDispatcher.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MExchangeCore.sol
index 742499568..742499568 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MExchangeCore.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MExchangeCore.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MMatchOrders.sol
index 96fa34bc0..96fa34bc0 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MMatchOrders.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MMatchOrders.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MSignatureValidator.sol
index 1fe88b908..1fe88b908 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MSignatureValidator.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MSignatureValidator.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MTransactions.sol
index 4f61a4945..4f61a4945 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MTransactions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MTransactions.sol
diff --git a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol b/packages/contracts/contracts/protocol/Exchange/mixins/MWrapperFunctions.sol
index 4adfbde01..4adfbde01 100644
--- a/packages/contracts/src/2.0.0/protocol/Exchange/mixins/MWrapperFunctions.sol
+++ b/packages/contracts/contracts/protocol/Exchange/mixins/MWrapperFunctions.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol b/packages/contracts/contracts/test/DummyERC20Token/DummyERC20Token.sol
index 412c5d1ad..412c5d1ad 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyERC20Token.sol
+++ b/packages/contracts/contracts/test/DummyERC20Token/DummyERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol b/packages/contracts/contracts/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
index 733d4437e..733d4437e 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
+++ b/packages/contracts/contracts/test/DummyERC20Token/DummyMultipleReturnERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyNoReturnERC20Token.sol b/packages/contracts/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol
index e16825a16..e16825a16 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC20Token/DummyNoReturnERC20Token.sol
+++ b/packages/contracts/contracts/test/DummyERC20Token/DummyNoReturnERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC721Receiver/DummyERC721Receiver.sol b/packages/contracts/contracts/test/DummyERC721Receiver/DummyERC721Receiver.sol
index 6c8371559..6c8371559 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC721Receiver/DummyERC721Receiver.sol
+++ b/packages/contracts/contracts/test/DummyERC721Receiver/DummyERC721Receiver.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC721Receiver/InvalidERC721Receiver.sol b/packages/contracts/contracts/test/DummyERC721Receiver/InvalidERC721Receiver.sol
index 309633bf5..309633bf5 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC721Receiver/InvalidERC721Receiver.sol
+++ b/packages/contracts/contracts/test/DummyERC721Receiver/InvalidERC721Receiver.sol
diff --git a/packages/contracts/src/2.0.0/test/DummyERC721Token/DummyERC721Token.sol b/packages/contracts/contracts/test/DummyERC721Token/DummyERC721Token.sol
index ac9068d1d..ac9068d1d 100644
--- a/packages/contracts/src/2.0.0/test/DummyERC721Token/DummyERC721Token.sol
+++ b/packages/contracts/contracts/test/DummyERC721Token/DummyERC721Token.sol
diff --git a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol b/packages/contracts/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol
index 99dd47a78..99dd47a78 100644
--- a/packages/contracts/src/2.0.0/test/ReentrantERC20Token/ReentrantERC20Token.sol
+++ b/packages/contracts/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol b/packages/contracts/contracts/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
index ad71fc9a1..ad71fc9a1 100644
--- a/packages/contracts/src/2.0.0/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
+++ b/packages/contracts/contracts/test/TestAssetProxyDispatcher/TestAssetProxyDispatcher.sol
diff --git a/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol b/packages/contracts/contracts/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
index 52c66cb56..52c66cb56 100644
--- a/packages/contracts/src/2.0.0/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
+++ b/packages/contracts/contracts/test/TestAssetProxyOwner/TestAssetProxyOwner.sol
diff --git a/packages/contracts/src/2.0.0/test/TestConstants/TestConstants.sol b/packages/contracts/contracts/test/TestConstants/TestConstants.sol
index 1275d007b..1275d007b 100644
--- a/packages/contracts/src/2.0.0/test/TestConstants/TestConstants.sol
+++ b/packages/contracts/contracts/test/TestConstants/TestConstants.sol
diff --git a/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol b/packages/contracts/contracts/test/TestExchangeInternals/TestExchangeInternals.sol
index 27187f8f8..27187f8f8 100644
--- a/packages/contracts/src/2.0.0/test/TestExchangeInternals/TestExchangeInternals.sol
+++ b/packages/contracts/contracts/test/TestExchangeInternals/TestExchangeInternals.sol
diff --git a/packages/contracts/src/2.0.0/test/TestLibBytes/TestLibBytes.sol b/packages/contracts/contracts/test/TestLibBytes/TestLibBytes.sol
index 00d861e61..00d861e61 100644
--- a/packages/contracts/src/2.0.0/test/TestLibBytes/TestLibBytes.sol
+++ b/packages/contracts/contracts/test/TestLibBytes/TestLibBytes.sol
diff --git a/packages/contracts/src/2.0.0/test/TestLibs/TestLibs.sol b/packages/contracts/contracts/test/TestLibs/TestLibs.sol
index a10f981fc..a10f981fc 100644
--- a/packages/contracts/src/2.0.0/test/TestLibs/TestLibs.sol
+++ b/packages/contracts/contracts/test/TestLibs/TestLibs.sol
diff --git a/packages/contracts/src/2.0.0/test/TestSignatureValidator/TestSignatureValidator.sol b/packages/contracts/contracts/test/TestSignatureValidator/TestSignatureValidator.sol
index ea3e2de59..ea3e2de59 100644
--- a/packages/contracts/src/2.0.0/test/TestSignatureValidator/TestSignatureValidator.sol
+++ b/packages/contracts/contracts/test/TestSignatureValidator/TestSignatureValidator.sol
diff --git a/packages/contracts/src/2.0.0/test/TestStaticCallReceiver/TestStaticCallReceiver.sol b/packages/contracts/contracts/test/TestStaticCallReceiver/TestStaticCallReceiver.sol
index 41aab01c8..41aab01c8 100644
--- a/packages/contracts/src/2.0.0/test/TestStaticCallReceiver/TestStaticCallReceiver.sol
+++ b/packages/contracts/contracts/test/TestStaticCallReceiver/TestStaticCallReceiver.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol b/packages/contracts/contracts/tokens/ERC20Token/ERC20Token.sol
index 725d304df..725d304df 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/ERC20Token.sol
+++ b/packages/contracts/contracts/tokens/ERC20Token/ERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol b/packages/contracts/contracts/tokens/ERC20Token/IERC20Token.sol
index 258d47393..258d47393 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/IERC20Token.sol
+++ b/packages/contracts/contracts/tokens/ERC20Token/IERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol b/packages/contracts/contracts/tokens/ERC20Token/MintableERC20Token.sol
index 9dc924422..9dc924422 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/MintableERC20Token.sol
+++ b/packages/contracts/contracts/tokens/ERC20Token/MintableERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol b/packages/contracts/contracts/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
index 2e5bd4348..2e5bd4348 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
+++ b/packages/contracts/contracts/tokens/ERC20Token/UnlimitedAllowanceERC20Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC721Token/ERC721Token.sol b/packages/contracts/contracts/tokens/ERC721Token/ERC721Token.sol
index 530f080c0..530f080c0 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC721Token/ERC721Token.sol
+++ b/packages/contracts/contracts/tokens/ERC721Token/ERC721Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC721Token/IERC721Receiver.sol b/packages/contracts/contracts/tokens/ERC721Token/IERC721Receiver.sol
index 8e0e32ab2..8e0e32ab2 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC721Token/IERC721Receiver.sol
+++ b/packages/contracts/contracts/tokens/ERC721Token/IERC721Receiver.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC721Token/IERC721Token.sol b/packages/contracts/contracts/tokens/ERC721Token/IERC721Token.sol
index ac992c80d..ac992c80d 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC721Token/IERC721Token.sol
+++ b/packages/contracts/contracts/tokens/ERC721Token/IERC721Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/ERC721Token/MintableERC721Token.sol b/packages/contracts/contracts/tokens/ERC721Token/MintableERC721Token.sol
index bc5cd2cc2..bc5cd2cc2 100644
--- a/packages/contracts/src/2.0.0/tokens/ERC721Token/MintableERC721Token.sol
+++ b/packages/contracts/contracts/tokens/ERC721Token/MintableERC721Token.sol
diff --git a/packages/contracts/src/2.0.0/tokens/EtherToken/IEtherToken.sol b/packages/contracts/contracts/tokens/EtherToken/IEtherToken.sol
index 9e2e68766..9e2e68766 100644
--- a/packages/contracts/src/2.0.0/tokens/EtherToken/IEtherToken.sol
+++ b/packages/contracts/contracts/tokens/EtherToken/IEtherToken.sol
diff --git a/packages/contracts/src/2.0.0/tokens/EtherToken/WETH9.sol b/packages/contracts/contracts/tokens/EtherToken/WETH9.sol
index 17876b86d..17876b86d 100644
--- a/packages/contracts/src/2.0.0/tokens/EtherToken/WETH9.sol
+++ b/packages/contracts/contracts/tokens/EtherToken/WETH9.sol
diff --git a/packages/contracts/src/1.0.0/ERC20Token/ERC20Token_v1.sol b/packages/contracts/contracts/tokens/ZRXToken/ERC20Token_v1.sol
index e05ee2d5e..4920c4aac 100644
--- a/packages/contracts/src/1.0.0/ERC20Token/ERC20Token_v1.sol
+++ b/packages/contracts/contracts/tokens/ZRXToken/ERC20Token_v1.sol
@@ -1,6 +1,6 @@
 pragma solidity ^0.4.11;
 
-import { Token_v1 as Token } from "../Token/Token_v1.sol";
+import { Token_v1 as Token } from "./Token_v1.sol";
 
 contract ERC20Token_v1 is Token {
 
diff --git a/packages/contracts/src/1.0.0/Token/Token_v1.sol b/packages/contracts/contracts/tokens/ZRXToken/Token_v1.sol
index de619fb7e..de619fb7e 100644
--- a/packages/contracts/src/1.0.0/Token/Token_v1.sol
+++ b/packages/contracts/contracts/tokens/ZRXToken/Token_v1.sol
diff --git a/packages/contracts/src/1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol b/packages/contracts/contracts/tokens/ZRXToken/UnlimitedAllowanceToken_v1.sol
index 46379c43d..bf1b0335a 100644
--- a/packages/contracts/src/1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol
+++ b/packages/contracts/contracts/tokens/ZRXToken/UnlimitedAllowanceToken_v1.sol
@@ -18,7 +18,7 @@
 
 pragma solidity ^0.4.11;
 
-import { ERC20Token_v1 as ERC20Token } from "../ERC20Token/ERC20Token_v1.sol";
+import { ERC20Token_v1 as ERC20Token } from "./ERC20Token_v1.sol";
 
 contract UnlimitedAllowanceToken_v1 is ERC20Token {
 
diff --git a/packages/contracts/src/2.0.0/tokens/ZRXToken/ZRXToken.sol b/packages/contracts/contracts/tokens/ZRXToken/ZRXToken.sol
index f4855759c..831e1822c 100644
--- a/packages/contracts/src/2.0.0/tokens/ZRXToken/ZRXToken.sol
+++ b/packages/contracts/contracts/tokens/ZRXToken/ZRXToken.sol
@@ -19,7 +19,7 @@
 pragma solidity 0.4.11;
 
 // solhint-disable-next-line max-line-length
-import { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from "../../../1.0.0/UnlimitedAllowanceToken/UnlimitedAllowanceToken_v1.sol";
+import { UnlimitedAllowanceToken_v1 as UnlimitedAllowanceToken } from "./UnlimitedAllowanceToken_v1.sol";
 
 
 contract ZRXToken is 
diff --git a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol b/packages/contracts/contracts/utils/LibBytes/LibBytes.sol
index 369f588ad..369f588ad 100644
--- a/packages/contracts/src/2.0.0/utils/LibBytes/LibBytes.sol
+++ b/packages/contracts/contracts/utils/LibBytes/LibBytes.sol
diff --git a/packages/contracts/src/2.0.0/utils/Ownable/IOwnable.sol b/packages/contracts/contracts/utils/Ownable/IOwnable.sol
index 5deb13497..5deb13497 100644
--- a/packages/contracts/src/2.0.0/utils/Ownable/IOwnable.sol
+++ b/packages/contracts/contracts/utils/Ownable/IOwnable.sol
diff --git a/packages/contracts/src/2.0.0/utils/Ownable/Ownable.sol b/packages/contracts/contracts/utils/Ownable/Ownable.sol
index 0c830be68..0c830be68 100644
--- a/packages/contracts/src/2.0.0/utils/Ownable/Ownable.sol
+++ b/packages/contracts/contracts/utils/Ownable/Ownable.sol
diff --git a/packages/contracts/src/2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol b/packages/contracts/contracts/utils/ReentrancyGuard/ReentrancyGuard.sol
index 9f98a7a16..9f98a7a16 100644
--- a/packages/contracts/src/2.0.0/utils/ReentrancyGuard/ReentrancyGuard.sol
+++ b/packages/contracts/contracts/utils/ReentrancyGuard/ReentrancyGuard.sol
diff --git a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol b/packages/contracts/contracts/utils/SafeMath/SafeMath.sol
index 2855edb9d..2855edb9d 100644
--- a/packages/contracts/src/2.0.0/utils/SafeMath/SafeMath.sol
+++ b/packages/contracts/contracts/utils/SafeMath/SafeMath.sol
diff --git a/packages/contracts/globals.d.ts b/packages/contracts/globals.d.ts
deleted file mode 100644
index 94e63a32d..000000000
--- a/packages/contracts/globals.d.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-declare module '*.json' {
-    const json: any;
-    /* tslint:disable */
-    export default json;
-    /* tslint:enable */
-}
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 01d04e645..33ae3db9a 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -6,34 +6,33 @@
         "node": ">=6.12"
     },
     "description": "Smart contract components of 0x protocol",
-    "main": "index.js",
+    "main": "lib/src/index.js",
     "directories": {
         "test": "test"
     },
     "scripts": {
         "build": "yarn pre_build && tsc -b",
         "build:ci": "yarn build",
-        "pre_build": "run-s compile copy_artifacts generate_contract_wrappers",
-        "copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/development/**/*' ./lib/artifacts;",
+        "pre_build": "run-s compile generate_contract_wrappers",
         "test": "yarn run_mocha",
         "rebuild_and_test": "run-s build test",
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "test:profiler": "SOLIDITY_PROFILER=true run-s build run_mocha profiler:report:html",
         "test:trace": "SOLIDITY_REVERT_TRACE=true run-s build run_mocha",
         "run_mocha": "mocha --require source-map-support/register --require make-promises-safe 'lib/test/**/*.js' --timeout 100000 --bail --exit",
-        "compile": "sol-compiler --contracts-dir src",
-        "clean": "shx rm -rf lib generated_contract_wrappers",
-        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated_contract_wrappers --backend ethers",
-        "lint": "tslint --project . --exclude **/src/generated_contract_wrappers/**/* --exclude **/lib/**/* && yarn lint-contracts",
+        "compile": "sol-compiler --contracts-dir contracts",
+        "clean": "shx rm -rf lib generated-artifacts generated-wrappers",
+        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output generated-wrappers --backend ethers",
+        "lint": "tslint --project . --exclude ./generated-wrappers/**/* --exclude ./generated-artifacts/**/* --exclude **/lib/**/* && yarn lint-contracts",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
         "profiler:report:html": "istanbul report html && open coverage/index.html",
         "coverage:report:lcov": "istanbul report lcov",
         "test:circleci": "yarn test",
-        "lint-contracts": "solhint src/2.0.0/**/**/**/**/*.sol"
+        "lint-contracts": "solhint contracts/**/**/**/**/*.sol"
     },
     "config": {
-        "abis": "../migrations/artifacts/development/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Proxy|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|TokenRegistry|Whitelist|WETH9|ZRXToken).json"
+        "abis": "generated-artifacts/@(AssetProxyOwner|DummyERC20Token|DummyERC721Receiver|DummyERC721Token|DummyMultipleReturnERC20Token|DummyNoReturnERC20Token|ERC20Token|ERC20Proxy|ERC721Token|ERC721Proxy|Forwarder|Exchange|ExchangeWrapper|IAssetData|IAssetProxy|InvalidERC721Receiver|MixinAuthorizable|MultiSigWallet|MultiSigWalletWithTimeLock|OrderValidator|ReentrantERC20Token|TestAssetProxyOwner|TestAssetProxyDispatcher|TestConstants|TestExchangeInternals|TestLibBytes|TestLibs|TestSignatureValidator|TestStaticCallReceiver|Validator|Wallet|Whitelist|WETH9|ZRXToken).json"
     },
     "repository": {
         "type": "git",
@@ -60,7 +59,6 @@
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^2.0.1",
-        "copyfiles": "^2.0.0",
         "dirty-chai": "^2.0.1",
         "make-promises-safe": "^1.1.0",
         "mocha": "^4.1.0",
@@ -87,5 +85,8 @@
         "ethers": "~4.0.4",
         "js-combinatorics": "^0.5.3",
         "lodash": "^4.17.5"
+    },
+    "publishConfig": {
+        "access": "public"
     }
 }
diff --git a/packages/contracts/src/1.0.0/Arbitrage/Arbitrage.sol b/packages/contracts/src/1.0.0/Arbitrage/Arbitrage.sol
deleted file mode 100644
index 5054afc2f..000000000
--- a/packages/contracts/src/1.0.0/Arbitrage/Arbitrage.sol
+++ /dev/null
@@ -1,114 +0,0 @@
-pragma solidity ^0.4.19;
-
-import { IExchange_v1 as Exchange } from "../Exchange/IExchange_v1.sol";
-import { EtherDelta } from "../EtherDelta/EtherDelta.sol";
-import { Ownable_v1 as Ownable } from "../Ownable/Ownable_v1.sol";
-import { IToken_v1 as Token } from "../Token/IToken_v1.sol";
-
-/// @title Arbitrage - Facilitates atomic arbitrage of ERC20 tokens between EtherDelta and 0x Exchange contract.
-/// @author Leonid Logvinov - <leo@0xProject.com>
-contract Arbitrage is Ownable {
-
-    Exchange exchange;
-    EtherDelta etherDelta;
-    address proxyAddress;
-
-    uint256 constant MAX_UINT = 2**256 - 1;
-
-    function Arbitrage(address _exchangeAddress, address _etherDeltaAddress, address _proxyAddress) {
-        exchange = Exchange(_exchangeAddress);
-        etherDelta = EtherDelta(_etherDeltaAddress);
-        proxyAddress = _proxyAddress;
-    }
-
-    /*
-     * Makes token tradeable by setting an allowance for etherDelta and 0x proxy contract.
-     * Also sets an allowance for the owner of the contracts therefore allowing to withdraw tokens.
-     */
-    function setAllowances(address tokenAddress) external onlyOwner {
-        Token token = Token(tokenAddress);
-        token.approve(address(etherDelta), MAX_UINT);
-        token.approve(proxyAddress, MAX_UINT);
-        token.approve(owner, MAX_UINT);
-    }
-
-    /*
-     * Because of the limits on the number of local variables in Solidity we need to compress parameters while loosing
-     * readability. Scheme of the parameter layout:
-     *
-     * addresses
-     * 0..4 orderAddresses
-     * 5 user
-     *
-     * values
-     * 0..5 orderValues
-     * 6 fillTakerTokenAmount
-     * 7 amountGet
-     * 8 amountGive
-     * 9 expires
-     * 10 nonce
-     * 11 amount
-
-     * signature
-     * exchange then etherDelta
-     */
-    function makeAtomicTrade(
-        address[6] addresses, uint[12] values,
-        uint8[2] v, bytes32[2] r, bytes32[2] s
-    ) external onlyOwner {
-        makeExchangeTrade(addresses, values, v, r, s);
-        makeEtherDeltaTrade(addresses, values, v, r, s);
-    }
-
-    function makeEtherDeltaTrade(
-        address[6] addresses, uint[12] values,
-        uint8[2] v, bytes32[2] r, bytes32[2] s
-    ) internal {
-        uint amount = values[11];
-        etherDelta.depositToken(
-            addresses[2], // tokenGet === makerToken
-            values[7] // amountGet
-        );
-        etherDelta.trade(
-            addresses[2], // tokenGet === makerToken
-            values[7], // amountGet
-            addresses[3], // tokenGive === takerToken
-            values[8], // amountGive
-            values[9], // expires
-            values[10], // nonce
-            addresses[5], // user
-            v[1],
-            r[1],
-            s[1],
-            amount
-        );
-        etherDelta.withdrawToken(
-            addresses[3], // tokenGive === tokenToken
-            values[8] // amountGive
-        );
-    }
-
-    function makeExchangeTrade(
-        address[6] addresses, uint[12] values,
-        uint8[2] v, bytes32[2] r, bytes32[2] s
-    ) internal {
-        address[5] memory orderAddresses = [
-            addresses[0], // maker
-            addresses[1], // taker
-            addresses[2], // makerToken
-            addresses[3], // takerToken
-            addresses[4] // feeRecepient
-        ];
-        uint[6] memory orderValues = [
-            values[0], // makerTokenAmount
-            values[1], // takerTokenAmount
-            values[2], // makerFee
-            values[3], // takerFee
-            values[4], // expirationTimestampInSec
-            values[5]  // salt
-        ];
-        uint fillTakerTokenAmount = values[6]; // fillTakerTokenAmount
-        // Execute Exchange trade. It either succeeds in full or fails and reverts all the changes.
-        exchange.fillOrKillOrder(orderAddresses, orderValues, fillTakerTokenAmount, v[0], r[0], s[0]);
-    }
-}
diff --git a/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol b/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol
deleted file mode 100644
index 8d7a930d3..000000000
--- a/packages/contracts/src/1.0.0/EtherDelta/AccountLevels.sol
+++ /dev/null
@@ -1,11 +0,0 @@
-pragma solidity ^0.4.19;
-
-contract AccountLevels {
-    //given a user, returns an account level
-    //0 = regular user (pays take fee and make fee)
-    //1 = market maker silver (pays take fee, no make fee, gets rebate)
-    //2 = market maker gold (pays take fee, no make fee, gets entire counterparty's take fee as rebate)
-    function accountLevel(address user) constant returns(uint) {
-        return 0;
-    }
-}
diff --git a/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol b/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol
deleted file mode 100644
index fe599ca0a..000000000
--- a/packages/contracts/src/1.0.0/EtherDelta/EtherDelta.sol
+++ /dev/null
@@ -1,168 +0,0 @@
-pragma solidity ^0.4.19;
-
-import { SafeMath } from "../SafeMath/SafeMath_v1.sol";
-import { AccountLevels } from "./AccountLevels.sol";
-import { Token } from "../Token/Token_v1.sol";
-
-contract EtherDelta is SafeMath {
-    address public admin; //the admin address
-    address public feeAccount; //the account that will receive fees
-    address public accountLevelsAddr; //the address of the AccountLevels contract
-    uint public feeMake; //percentage times (1 ether)
-    uint public feeTake; //percentage times (1 ether)
-    uint public feeRebate; //percentage times (1 ether)
-    mapping (address => mapping (address => uint)) public tokens; //mapping of token addresses to mapping of account balances (token=0 means Ether)
-    mapping (address => mapping (bytes32 => bool)) public orders; //mapping of user accounts to mapping of order hashes to booleans (true = submitted by user, equivalent to offchain signature)
-    mapping (address => mapping (bytes32 => uint)) public orderFills; //mapping of user accounts to mapping of order hashes to uints (amount of order that has been filled)
-
-    event Order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user);
-    event Cancel(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s);
-    event Trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address get, address give);
-    event Deposit(address token, address user, uint amount, uint balance);
-    event Withdraw(address token, address user, uint amount, uint balance);
-
-    function EtherDelta(address admin_, address feeAccount_, address accountLevelsAddr_, uint feeMake_, uint feeTake_, uint feeRebate_) {
-        admin = admin_;
-        feeAccount = feeAccount_;
-        accountLevelsAddr = accountLevelsAddr_;
-        feeMake = feeMake_;
-        feeTake = feeTake_;
-        feeRebate = feeRebate_;
-    }
-
-    function() {
-        throw;
-    }
-
-    function changeAdmin(address admin_) {
-        if (msg.sender != admin) throw;
-        admin = admin_;
-    }
-
-    function changeAccountLevelsAddr(address accountLevelsAddr_) {
-        if (msg.sender != admin) throw;
-        accountLevelsAddr = accountLevelsAddr_;
-    }
-
-    function changeFeeAccount(address feeAccount_) {
-        if (msg.sender != admin) throw;
-        feeAccount = feeAccount_;
-    }
-
-    function changeFeeMake(uint feeMake_) {
-        if (msg.sender != admin) throw;
-        if (feeMake_ > feeMake) throw;
-        feeMake = feeMake_;
-    }
-
-    function changeFeeTake(uint feeTake_) {
-        if (msg.sender != admin) throw;
-        if (feeTake_ > feeTake || feeTake_ < feeRebate) throw;
-        feeTake = feeTake_;
-    }
-
-    function changeFeeRebate(uint feeRebate_) {
-        if (msg.sender != admin) throw;
-        if (feeRebate_ < feeRebate || feeRebate_ > feeTake) throw;
-        feeRebate = feeRebate_;
-    }
-
-    function deposit() payable {
-        tokens[0][msg.sender] = safeAdd(tokens[0][msg.sender], msg.value);
-        Deposit(0, msg.sender, msg.value, tokens[0][msg.sender]);
-    }
-
-    function withdraw(uint amount) {
-        if (tokens[0][msg.sender] < amount) throw;
-        tokens[0][msg.sender] = safeSub(tokens[0][msg.sender], amount);
-        if (!msg.sender.call.value(amount)()) throw;
-        Withdraw(0, msg.sender, amount, tokens[0][msg.sender]);
-    }
-
-    function depositToken(address token, uint amount) {
-        //remember to call Token(address).approve(this, amount) or this contract will not be able to do the transfer on your behalf.
-        if (token==0) throw;
-        if (!Token(token).transferFrom(msg.sender, this, amount)) throw;
-        tokens[token][msg.sender] = safeAdd(tokens[token][msg.sender], amount);
-        Deposit(token, msg.sender, amount, tokens[token][msg.sender]);
-    }
-
-    function withdrawToken(address token, uint amount) {
-        if (token==0) throw;
-        if (tokens[token][msg.sender] < amount) throw;
-        tokens[token][msg.sender] = safeSub(tokens[token][msg.sender], amount);
-        if (!Token(token).transfer(msg.sender, amount)) throw;
-        Withdraw(token, msg.sender, amount, tokens[token][msg.sender]);
-    }
-
-    function balanceOf(address token, address user) constant returns (uint) {
-        return tokens[token][user];
-    }
-
-    function order(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce) {
-        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
-        orders[msg.sender][hash] = true;
-        Order(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender);
-    }
-
-    function trade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount) {
-        //amount is in amountGet terms
-        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
-        if (!(
-            (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
-            block.number <= expires &&
-            safeAdd(orderFills[user][hash], amount) <= amountGet
-        )) throw;
-        tradeBalances(tokenGet, amountGet, tokenGive, amountGive, user, amount);
-        orderFills[user][hash] = safeAdd(orderFills[user][hash], amount);
-        Trade(tokenGet, amount, tokenGive, amountGive * amount / amountGet, user, msg.sender);
-    }
-
-    function tradeBalances(address tokenGet, uint amountGet, address tokenGive, uint amountGive, address user, uint amount) private {
-        uint feeMakeXfer = safeMul(amount, feeMake) / (1 ether);
-        uint feeTakeXfer = safeMul(amount, feeTake) / (1 ether);
-        uint feeRebateXfer = 0;
-        if (accountLevelsAddr != 0x0) {
-            uint accountLevel = AccountLevels(accountLevelsAddr).accountLevel(user);
-            if (accountLevel==1) feeRebateXfer = safeMul(amount, feeRebate) / (1 ether);
-            if (accountLevel==2) feeRebateXfer = feeTakeXfer;
-        }
-        tokens[tokenGet][msg.sender] = safeSub(tokens[tokenGet][msg.sender], safeAdd(amount, feeTakeXfer));
-        tokens[tokenGet][user] = safeAdd(tokens[tokenGet][user], safeSub(safeAdd(amount, feeRebateXfer), feeMakeXfer));
-        tokens[tokenGet][feeAccount] = safeAdd(tokens[tokenGet][feeAccount], safeSub(safeAdd(feeMakeXfer, feeTakeXfer), feeRebateXfer));
-        tokens[tokenGive][user] = safeSub(tokens[tokenGive][user], safeMul(amountGive, amount) / amountGet);
-        tokens[tokenGive][msg.sender] = safeAdd(tokens[tokenGive][msg.sender], safeMul(amountGive, amount) / amountGet);
-    }
-
-    function testTrade(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s, uint amount, address sender) constant returns(bool) {
-        if (!(
-            tokens[tokenGet][sender] >= amount &&
-            availableVolume(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, user, v, r, s) >= amount
-        )) return false;
-        return true;
-    }
-
-    function availableVolume(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
-        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
-        if (!(
-            (orders[user][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == user) &&
-            block.number <= expires
-        )) return 0;
-        uint available1 = safeSub(amountGet, orderFills[user][hash]);
-        uint available2 = safeMul(tokens[tokenGive][user], amountGet) / amountGive;
-        if (available1<available2) return available1;
-        return available2;
-    }
-
-    function amountFilled(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, address user, uint8 v, bytes32 r, bytes32 s) constant returns(uint) {
-        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
-        return orderFills[user][hash];
-    }
-
-    function cancelOrder(address tokenGet, uint amountGet, address tokenGive, uint amountGive, uint expires, uint nonce, uint8 v, bytes32 r, bytes32 s) {
-        bytes32 hash = sha256(this, tokenGet, amountGet, tokenGive, amountGive, expires, nonce);
-        if (!(orders[msg.sender][hash] || ecrecover(sha3("\x19Ethereum Signed Message:\n32", hash),v,r,s) == msg.sender)) throw;
-        orderFills[msg.sender][hash] = amountGet;
-        Cancel(tokenGet, amountGet, tokenGive, amountGive, expires, nonce, msg.sender, v, r, s);
-    }
-}
diff --git a/packages/contracts/src/1.0.0/Exchange/Exchange_v1.sol b/packages/contracts/src/1.0.0/Exchange/Exchange_v1.sol
deleted file mode 100644
index 3f8e7368d..000000000
--- a/packages/contracts/src/1.0.0/Exchange/Exchange_v1.sol
+++ /dev/null
@@ -1,602 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.14;
-
-import { TokenTransferProxy_v1 as TokenTransferProxy } from "../TokenTransferProxy/TokenTransferProxy_v1.sol";
-import { Token_v1 as Token } from "../Token/Token_v1.sol";
-import { SafeMath_v1 as SafeMath } from "../SafeMath/SafeMath_v1.sol";
-
-/// @title Exchange - Facilitates exchange of ERC20 tokens.
-/// @author Amir Bandeali - <amir@0xProject.com>, Will Warren - <will@0xProject.com>
-contract Exchange_v1 is SafeMath {
-
-    // Error Codes
-    enum Errors {
-        ORDER_EXPIRED,                    // Order has already expired
-        ORDER_FULLY_FILLED_OR_CANCELLED,  // Order has already been fully filled or cancelled
-        ROUNDING_ERROR_TOO_LARGE,         // Rounding error too large
-        INSUFFICIENT_BALANCE_OR_ALLOWANCE // Insufficient balance or allowance for token transfer
-    }
-
-    string constant public VERSION = "1.0.0";
-    uint16 constant public EXTERNAL_QUERY_GAS_LIMIT = 4999;    // Changes to state require at least 5000 gas
-
-    address public ZRX_TOKEN_CONTRACT;
-    address public TOKEN_TRANSFER_PROXY_CONTRACT;
-
-    // Mappings of orderHash => amounts of takerTokenAmount filled or cancelled.
-    mapping (bytes32 => uint) public filled;
-    mapping (bytes32 => uint) public cancelled;
-
-    event LogFill(
-        address indexed maker,
-        address taker,
-        address indexed feeRecipient,
-        address makerToken,
-        address takerToken,
-        uint filledMakerTokenAmount,
-        uint filledTakerTokenAmount,
-        uint paidMakerFee,
-        uint paidTakerFee,
-        bytes32 indexed tokens, // keccak256(makerToken, takerToken), allows subscribing to a token pair
-        bytes32 orderHash
-    );
-
-    event LogCancel(
-        address indexed maker,
-        address indexed feeRecipient,
-        address makerToken,
-        address takerToken,
-        uint cancelledMakerTokenAmount,
-        uint cancelledTakerTokenAmount,
-        bytes32 indexed tokens,
-        bytes32 orderHash
-    );
-
-    event LogError(uint8 indexed errorId, bytes32 indexed orderHash);
-
-    struct Order {
-        address maker;
-        address taker;
-        address makerToken;
-        address takerToken;
-        address feeRecipient;
-        uint makerTokenAmount;
-        uint takerTokenAmount;
-        uint makerFee;
-        uint takerFee;
-        uint expirationTimestampInSec;
-        bytes32 orderHash;
-    }
-
-    function Exchange_v1(address _zrxToken, address _tokenTransferProxy) {
-        ZRX_TOKEN_CONTRACT = _zrxToken;
-        TOKEN_TRANSFER_PROXY_CONTRACT = _tokenTransferProxy;
-    }
-
-    /*
-    * Core exchange functions
-    */
-
-    /// @dev Fills the input order.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfer will fail before attempting.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    /// @return Total amount of takerToken filled in trade.
-    function fillOrder(
-          address[5] orderAddresses,
-          uint[6] orderValues,
-          uint fillTakerTokenAmount,
-          bool shouldThrowOnInsufficientBalanceOrAllowance,
-          uint8 v,
-          bytes32 r,
-          bytes32 s)
-          public
-          returns (uint filledTakerTokenAmount)
-    {
-        Order memory order = Order({
-            maker: orderAddresses[0],
-            taker: orderAddresses[1],
-            makerToken: orderAddresses[2],
-            takerToken: orderAddresses[3],
-            feeRecipient: orderAddresses[4],
-            makerTokenAmount: orderValues[0],
-            takerTokenAmount: orderValues[1],
-            makerFee: orderValues[2],
-            takerFee: orderValues[3],
-            expirationTimestampInSec: orderValues[4],
-            orderHash: getOrderHash(orderAddresses, orderValues)
-        });
-
-        require(order.taker == address(0) || order.taker == msg.sender);
-        require(order.makerTokenAmount > 0 && order.takerTokenAmount > 0 && fillTakerTokenAmount > 0);
-        require(isValidSignature(
-            order.maker,
-            order.orderHash,
-            v,
-            r,
-            s
-        ));
-
-        if (block.timestamp >= order.expirationTimestampInSec) {
-            LogError(uint8(Errors.ORDER_EXPIRED), order.orderHash);
-            return 0;
-        }
-
-        uint remainingTakerTokenAmount = safeSub(order.takerTokenAmount, getUnavailableTakerTokenAmount(order.orderHash));
-        filledTakerTokenAmount = min256(fillTakerTokenAmount, remainingTakerTokenAmount);
-        if (filledTakerTokenAmount == 0) {
-            LogError(uint8(Errors.ORDER_FULLY_FILLED_OR_CANCELLED), order.orderHash);
-            return 0;
-        }
-
-        if (isRoundingError(filledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount)) {
-            LogError(uint8(Errors.ROUNDING_ERROR_TOO_LARGE), order.orderHash);
-            return 0;
-        }
-
-        if (!shouldThrowOnInsufficientBalanceOrAllowance && !isTransferable(order, filledTakerTokenAmount)) {
-            LogError(uint8(Errors.INSUFFICIENT_BALANCE_OR_ALLOWANCE), order.orderHash);
-            return 0;
-        }
-
-        uint filledMakerTokenAmount = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount);
-        uint paidMakerFee;
-        uint paidTakerFee;
-        filled[order.orderHash] = safeAdd(filled[order.orderHash], filledTakerTokenAmount);
-        require(transferViaTokenTransferProxy(
-            order.makerToken,
-            order.maker,
-            msg.sender,
-            filledMakerTokenAmount
-        ));
-        require(transferViaTokenTransferProxy(
-            order.takerToken,
-            msg.sender,
-            order.maker,
-            filledTakerTokenAmount
-        ));
-        if (order.feeRecipient != address(0)) {
-            if (order.makerFee > 0) {
-                paidMakerFee = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.makerFee);
-                require(transferViaTokenTransferProxy(
-                    ZRX_TOKEN_CONTRACT,
-                    order.maker,
-                    order.feeRecipient,
-                    paidMakerFee
-                ));
-            }
-            if (order.takerFee > 0) {
-                paidTakerFee = getPartialAmount(filledTakerTokenAmount, order.takerTokenAmount, order.takerFee);
-                require(transferViaTokenTransferProxy(
-                    ZRX_TOKEN_CONTRACT,
-                    msg.sender,
-                    order.feeRecipient,
-                    paidTakerFee
-                ));
-            }
-        }
-
-        LogFill(
-            order.maker,
-            msg.sender,
-            order.feeRecipient,
-            order.makerToken,
-            order.takerToken,
-            filledMakerTokenAmount,
-            filledTakerTokenAmount,
-            paidMakerFee,
-            paidTakerFee,
-            keccak256(order.makerToken, order.takerToken),
-            order.orderHash
-        );
-        return filledTakerTokenAmount;
-    }
-
-    /// @dev Cancels the input order.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param cancelTakerTokenAmount Desired amount of takerToken to cancel in order.
-    /// @return Amount of takerToken cancelled.
-    function cancelOrder(
-        address[5] orderAddresses,
-        uint[6] orderValues,
-        uint cancelTakerTokenAmount)
-        public
-        returns (uint)
-    {
-        Order memory order = Order({
-            maker: orderAddresses[0],
-            taker: orderAddresses[1],
-            makerToken: orderAddresses[2],
-            takerToken: orderAddresses[3],
-            feeRecipient: orderAddresses[4],
-            makerTokenAmount: orderValues[0],
-            takerTokenAmount: orderValues[1],
-            makerFee: orderValues[2],
-            takerFee: orderValues[3],
-            expirationTimestampInSec: orderValues[4],
-            orderHash: getOrderHash(orderAddresses, orderValues)
-        });
-
-        require(order.maker == msg.sender);
-        require(order.makerTokenAmount > 0 && order.takerTokenAmount > 0 && cancelTakerTokenAmount > 0);
-
-        if (block.timestamp >= order.expirationTimestampInSec) {
-            LogError(uint8(Errors.ORDER_EXPIRED), order.orderHash);
-            return 0;
-        }
-
-        uint remainingTakerTokenAmount = safeSub(order.takerTokenAmount, getUnavailableTakerTokenAmount(order.orderHash));
-        uint cancelledTakerTokenAmount = min256(cancelTakerTokenAmount, remainingTakerTokenAmount);
-        if (cancelledTakerTokenAmount == 0) {
-            LogError(uint8(Errors.ORDER_FULLY_FILLED_OR_CANCELLED), order.orderHash);
-            return 0;
-        }
-
-        cancelled[order.orderHash] = safeAdd(cancelled[order.orderHash], cancelledTakerTokenAmount);
-
-        LogCancel(
-            order.maker,
-            order.feeRecipient,
-            order.makerToken,
-            order.takerToken,
-            getPartialAmount(cancelledTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount),
-            cancelledTakerTokenAmount,
-            keccak256(order.makerToken, order.takerToken),
-            order.orderHash
-        );
-        return cancelledTakerTokenAmount;
-    }
-
-    /*
-    * Wrapper functions
-    */
-
-    /// @dev Fills an order with specified parameters and ECDSA signature, throws if specified amount not filled entirely.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    function fillOrKillOrder(
-        address[5] orderAddresses,
-        uint[6] orderValues,
-        uint fillTakerTokenAmount,
-        uint8 v,
-        bytes32 r,
-        bytes32 s)
-        public
-    {
-        require(fillOrder(
-            orderAddresses,
-            orderValues,
-            fillTakerTokenAmount,
-            false,
-            v,
-            r,
-            s
-        ) == fillTakerTokenAmount);
-    }
-
-    /// @dev Synchronously executes multiple fill orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    function batchFillOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] fillTakerTokenAmounts,
-        bool shouldThrowOnInsufficientBalanceOrAllowance,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public
-    {
-        for (uint i = 0; i < orderAddresses.length; i++) {
-            fillOrder(
-                orderAddresses[i],
-                orderValues[i],
-                fillTakerTokenAmounts[i],
-                shouldThrowOnInsufficientBalanceOrAllowance,
-                v[i],
-                r[i],
-                s[i]
-            );
-        }
-    }
-
-    /// @dev Synchronously executes multiple fillOrKill orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    function batchFillOrKillOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] fillTakerTokenAmounts,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public
-    {
-        for (uint i = 0; i < orderAddresses.length; i++) {
-            fillOrKillOrder(
-                orderAddresses[i],
-                orderValues[i],
-                fillTakerTokenAmounts[i],
-                v[i],
-                r[i],
-                s[i]
-            );
-        }
-    }
-
-    /// @dev Synchronously executes multiple fill orders in a single transaction until total fillTakerTokenAmount filled.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmount Desired total amount of takerToken to fill in orders.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    /// @return Total amount of fillTakerTokenAmount filled in orders.
-    function fillOrdersUpTo(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint fillTakerTokenAmount,
-        bool shouldThrowOnInsufficientBalanceOrAllowance,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public
-        returns (uint)
-    {
-        uint filledTakerTokenAmount = 0;
-        for (uint i = 0; i < orderAddresses.length; i++) {
-            require(orderAddresses[i][3] == orderAddresses[0][3]); // takerToken must be the same for each order
-            filledTakerTokenAmount = safeAdd(filledTakerTokenAmount, fillOrder(
-                orderAddresses[i],
-                orderValues[i],
-                safeSub(fillTakerTokenAmount, filledTakerTokenAmount),
-                shouldThrowOnInsufficientBalanceOrAllowance,
-                v[i],
-                r[i],
-                s[i]
-            ));
-            if (filledTakerTokenAmount == fillTakerTokenAmount) break;
-        }
-        return filledTakerTokenAmount;
-    }
-
-    /// @dev Synchronously cancels multiple orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param cancelTakerTokenAmounts Array of desired amounts of takerToken to cancel in orders.
-    function batchCancelOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] cancelTakerTokenAmounts)
-        public
-    {
-        for (uint i = 0; i < orderAddresses.length; i++) {
-            cancelOrder(
-                orderAddresses[i],
-                orderValues[i],
-                cancelTakerTokenAmounts[i]
-            );
-        }
-    }
-
-    /*
-    * Constant public functions
-    */
-
-    /// @dev Calculates Keccak-256 hash of order with specified parameters.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @return Keccak-256 hash of order.
-    function getOrderHash(address[5] orderAddresses, uint[6] orderValues)
-        public
-        constant
-        returns (bytes32)
-    {
-        return keccak256(
-            address(this),
-            orderAddresses[0], // maker
-            orderAddresses[1], // taker
-            orderAddresses[2], // makerToken
-            orderAddresses[3], // takerToken
-            orderAddresses[4], // feeRecipient
-            orderValues[0],    // makerTokenAmount
-            orderValues[1],    // takerTokenAmount
-            orderValues[2],    // makerFee
-            orderValues[3],    // takerFee
-            orderValues[4],    // expirationTimestampInSec
-            orderValues[5]     // salt
-        );
-    }
-
-    /// @dev Verifies that an order signature is valid.
-    /// @param signer address of signer.
-    /// @param hash Signed Keccak-256 hash.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    /// @return Validity of order signature.
-    function isValidSignature(
-        address signer,
-        bytes32 hash,
-        uint8 v,
-        bytes32 r,
-        bytes32 s)
-        public
-        constant
-        returns (bool)
-    {
-        return signer == ecrecover(
-            keccak256("\x19Ethereum Signed Message:\n32", hash),
-            v,
-            r,
-            s
-        );
-    }
-
-    /// @dev Checks if rounding error > 0.1%.
-    /// @param numerator Numerator.
-    /// @param denominator Denominator.
-    /// @param target Value to multiply with numerator/denominator.
-    /// @return Rounding error is present.
-    function isRoundingError(uint numerator, uint denominator, uint target)
-        public
-        constant
-        returns (bool)
-    {
-        uint remainder = mulmod(target, numerator, denominator);
-        if (remainder == 0) return false; // No rounding error.
-
-        uint errPercentageTimes1000000 = safeDiv(
-            safeMul(remainder, 1000000),
-            safeMul(numerator, target)
-        );
-        return errPercentageTimes1000000 > 1000;
-    }
-
-    /// @dev Calculates partial value given a numerator and denominator.
-    /// @param numerator Numerator.
-    /// @param denominator Denominator.
-    /// @param target Value to calculate partial of.
-    /// @return Partial value of target.
-    function getPartialAmount(uint numerator, uint denominator, uint target)
-        public
-        constant
-        returns (uint)
-    {
-        return safeDiv(safeMul(numerator, target), denominator);
-    }
-
-    /// @dev Calculates the sum of values already filled and cancelled for a given order.
-    /// @param orderHash The Keccak-256 hash of the given order.
-    /// @return Sum of values already filled and cancelled.
-    function getUnavailableTakerTokenAmount(bytes32 orderHash)
-        public
-        constant
-        returns (uint)
-    {
-        return safeAdd(filled[orderHash], cancelled[orderHash]);
-    }
-
-
-    /*
-    * Internal functions
-    */
-
-    /// @dev Transfers a token using TokenTransferProxy transferFrom function.
-    /// @param token Address of token to transferFrom.
-    /// @param from Address transfering token.
-    /// @param to Address receiving token.
-    /// @param value Amount of token to transfer.
-    /// @return Success of token transfer.
-    function transferViaTokenTransferProxy(
-        address token,
-        address from,
-        address to,
-        uint value)
-        internal
-        returns (bool)
-    {
-        return TokenTransferProxy(TOKEN_TRANSFER_PROXY_CONTRACT).transferFrom(token, from, to, value);
-    }
-
-    /// @dev Checks if any order transfers will fail.
-    /// @param order Order struct of params that will be checked.
-    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
-    /// @return Predicted result of transfers.
-    function isTransferable(Order order, uint fillTakerTokenAmount)
-        internal
-        constant  // The called token contracts may attempt to change state, but will not be able to due to gas limits on getBalance and getAllowance.
-        returns (bool)
-    {
-        address taker = msg.sender;
-        uint fillMakerTokenAmount = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.makerTokenAmount);
-
-        if (order.feeRecipient != address(0)) {
-            bool isMakerTokenZRX = order.makerToken == ZRX_TOKEN_CONTRACT;
-            bool isTakerTokenZRX = order.takerToken == ZRX_TOKEN_CONTRACT;
-            uint paidMakerFee = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.makerFee);
-            uint paidTakerFee = getPartialAmount(fillTakerTokenAmount, order.takerTokenAmount, order.takerFee);
-            uint requiredMakerZRX = isMakerTokenZRX ? safeAdd(fillMakerTokenAmount, paidMakerFee) : paidMakerFee;
-            uint requiredTakerZRX = isTakerTokenZRX ? safeAdd(fillTakerTokenAmount, paidTakerFee) : paidTakerFee;
-
-            if (   getBalance(ZRX_TOKEN_CONTRACT, order.maker) < requiredMakerZRX
-                || getAllowance(ZRX_TOKEN_CONTRACT, order.maker) < requiredMakerZRX
-                || getBalance(ZRX_TOKEN_CONTRACT, taker) < requiredTakerZRX
-                || getAllowance(ZRX_TOKEN_CONTRACT, taker) < requiredTakerZRX
-            ) return false;
-
-            if (!isMakerTokenZRX && (   getBalance(order.makerToken, order.maker) < fillMakerTokenAmount // Don't double check makerToken if ZRX
-                                     || getAllowance(order.makerToken, order.maker) < fillMakerTokenAmount)
-            ) return false;
-            if (!isTakerTokenZRX && (   getBalance(order.takerToken, taker) < fillTakerTokenAmount // Don't double check takerToken if ZRX
-                                     || getAllowance(order.takerToken, taker) < fillTakerTokenAmount)
-            ) return false;
-        } else if (   getBalance(order.makerToken, order.maker) < fillMakerTokenAmount
-                   || getAllowance(order.makerToken, order.maker) < fillMakerTokenAmount
-                   || getBalance(order.takerToken, taker) < fillTakerTokenAmount
-                   || getAllowance(order.takerToken, taker) < fillTakerTokenAmount
-        ) return false;
-
-        return true;
-    }
-
-    /// @dev Get token balance of an address.
-    /// @param token Address of token.
-    /// @param owner Address of owner.
-    /// @return Token balance of owner.
-    function getBalance(address token, address owner)
-        internal
-        constant  // The called token contract may attempt to change state, but will not be able to due to an added gas limit.
-        returns (uint)
-    {
-        return Token(token).balanceOf.gas(EXTERNAL_QUERY_GAS_LIMIT)(owner); // Limit gas to prevent reentrancy
-    }
-
-    /// @dev Get allowance of token given to TokenTransferProxy by an address.
-    /// @param token Address of token.
-    /// @param owner Address of owner.
-    /// @return Allowance of token given to TokenTransferProxy by owner.
-    function getAllowance(address token, address owner)
-        internal
-        constant  // The called token contract may attempt to change state, but will not be able to due to an added gas limit.
-        returns (uint)
-    {
-        return Token(token).allowance.gas(EXTERNAL_QUERY_GAS_LIMIT)(owner, TOKEN_TRANSFER_PROXY_CONTRACT); // Limit gas to prevent reentrancy
-    }
-}
diff --git a/packages/contracts/src/1.0.0/Exchange/IExchange_v1.sol b/packages/contracts/src/1.0.0/Exchange/IExchange_v1.sol
deleted file mode 100644
index ec4bce7b0..000000000
--- a/packages/contracts/src/1.0.0/Exchange/IExchange_v1.sol
+++ /dev/null
@@ -1,226 +0,0 @@
-pragma solidity ^0.4.19;
-
-contract IExchange_v1 {
-
-    // Error Codes
-    enum Errors {
-        ORDER_EXPIRED,                    // Order has already expired
-        ORDER_FULLY_FILLED_OR_CANCELLED,  // Order has already been fully filled or cancelled
-        ROUNDING_ERROR_TOO_LARGE,         // Rounding error too large
-        INSUFFICIENT_BALANCE_OR_ALLOWANCE // Insufficient balance or allowance for token transfer
-    }
-
-    event LogError(uint8 indexed errorId, bytes32 indexed orderHash);
-
-    event LogFill(
-        address indexed maker,
-        address taker,
-        address indexed feeRecipient,
-        address makerToken,
-        address takerToken,
-        uint filledMakerTokenAmount,
-        uint filledTakerTokenAmount,
-        uint paidMakerFee,
-        uint paidTakerFee,
-        bytes32 indexed tokens, // keccak256(makerToken, takerToken), allows subscribing to a token pair
-        bytes32 orderHash
-    );
-
-    event LogCancel(
-        address indexed maker,
-        address indexed feeRecipient,
-        address makerToken,
-        address takerToken,
-        uint cancelledMakerTokenAmount,
-        uint cancelledTakerTokenAmount,
-        bytes32 indexed tokens,
-        bytes32 orderHash
-    );
-    
-    function ZRX_TOKEN_CONTRACT()
-      public view
-      returns (address);
-      
-    function TOKEN_TRANSFER_PROXY_CONTRACT()
-      public view
-      returns (address);
-      
-    function EXTERNAL_QUERY_GAS_LIMIT()
-      public view
-      returns (uint16);
-      
-    function VERSION()
-      public view
-      returns (string);
-    
-    function filled(bytes32)
-      public view
-      returns (uint256);
-      
-    function cancelled(bytes32)
-      public view
-      returns (uint256);
-    
-    /// @dev Calculates the sum of values already filled and cancelled for a given order.
-    /// @param orderHash The Keccak-256 hash of the given order.
-    /// @return Sum of values already filled and cancelled.
-    function getUnavailableTakerTokenAmount(bytes32 orderHash)
-        public constant
-        returns (uint);
-    
-    /// @dev Calculates partial value given a numerator and denominator.
-    /// @param numerator Numerator.
-    /// @param denominator Denominator.
-    /// @param target Value to calculate partial of.
-    /// @return Partial value of target.
-    function getPartialAmount(uint numerator, uint denominator, uint target)
-        public constant
-        returns (uint);
-    
-    /// @dev Checks if rounding error > 0.1%.
-    /// @param numerator Numerator.
-    /// @param denominator Denominator.
-    /// @param target Value to multiply with numerator/denominator.
-    /// @return Rounding error is present.
-    function isRoundingError(uint numerator, uint denominator, uint target)
-        public constant
-        returns (bool);
-      
-    /// @dev Calculates Keccak-256 hash of order with specified parameters.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @return Keccak-256 hash of order.
-    function getOrderHash(address[5] orderAddresses, uint[6] orderValues)
-        public
-        constant
-        returns (bytes32);
-        
-    /// @dev Verifies that an order signature is valid.
-    /// @param signer address of signer.
-    /// @param hash Signed Keccak-256 hash.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    /// @return Validity of order signature.
-    function isValidSignature(
-        address signer,
-        bytes32 hash,
-        uint8 v,
-        bytes32 r,
-        bytes32 s)
-        public constant
-        returns (bool);
-    
-    /// @dev Fills the input order.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfer will fail before attempting.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    /// @return Total amount of takerToken filled in trade.
-    function fillOrder(
-          address[5] orderAddresses,
-          uint[6] orderValues,
-          uint fillTakerTokenAmount,
-          bool shouldThrowOnInsufficientBalanceOrAllowance,
-          uint8 v,
-          bytes32 r,
-          bytes32 s)
-          public
-          returns (uint filledTakerTokenAmount);
-      
-    /// @dev Cancels the input order.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param cancelTakerTokenAmount Desired amount of takerToken to cancel in order.
-    /// @return Amount of takerToken cancelled.
-    function cancelOrder(
-        address[5] orderAddresses,
-        uint[6] orderValues,
-        uint cancelTakerTokenAmount)
-        public
-        returns (uint);
-
-
-    /// @dev Fills an order with specified parameters and ECDSA signature, throws if specified amount not filled entirely.
-    /// @param orderAddresses Array of order's maker, taker, makerToken, takerToken, and feeRecipient.
-    /// @param orderValues Array of order's makerTokenAmount, takerTokenAmount, makerFee, takerFee, expirationTimestampInSec, and salt.
-    /// @param fillTakerTokenAmount Desired amount of takerToken to fill.
-    /// @param v ECDSA signature parameter v.
-    /// @param r ECDSA signature parameters r.
-    /// @param s ECDSA signature parameters s.
-    function fillOrKillOrder(
-        address[5] orderAddresses,
-        uint[6] orderValues,
-        uint fillTakerTokenAmount,
-        uint8 v,
-        bytes32 r,
-        bytes32 s)
-        public;
-
-    /// @dev Synchronously executes multiple fill orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    function batchFillOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] fillTakerTokenAmounts,
-        bool shouldThrowOnInsufficientBalanceOrAllowance,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public;
-
-    /// @dev Synchronously executes multiple fillOrKill orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmounts Array of desired amounts of takerToken to fill in orders.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    function batchFillOrKillOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] fillTakerTokenAmounts,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public;
-
-    /// @dev Synchronously executes multiple fill orders in a single transaction until total fillTakerTokenAmount filled.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param fillTakerTokenAmount Desired total amount of takerToken to fill in orders.
-    /// @param shouldThrowOnInsufficientBalanceOrAllowance Test if transfers will fail before attempting.
-    /// @param v Array ECDSA signature v parameters.
-    /// @param r Array of ECDSA signature r parameters.
-    /// @param s Array of ECDSA signature s parameters.
-    /// @return Total amount of fillTakerTokenAmount filled in orders.
-    function fillOrdersUpTo(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint fillTakerTokenAmount,
-        bool shouldThrowOnInsufficientBalanceOrAllowance,
-        uint8[] v,
-        bytes32[] r,
-        bytes32[] s)
-        public
-        returns (uint);
-
-    /// @dev Synchronously cancels multiple orders in a single transaction.
-    /// @param orderAddresses Array of address arrays containing individual order addresses.
-    /// @param orderValues Array of uint arrays containing individual order values.
-    /// @param cancelTakerTokenAmounts Array of desired amounts of takerToken to cancel in orders.
-    function batchCancelOrders(
-        address[5][] orderAddresses,
-        uint[6][] orderValues,
-        uint[] cancelTakerTokenAmounts)
-        public;
-}
diff --git a/packages/contracts/src/1.0.0/MultiSigWalletWithTImeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol b/packages/contracts/src/1.0.0/MultiSigWalletWithTImeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol
deleted file mode 100644
index aee722c53..000000000
--- a/packages/contracts/src/1.0.0/MultiSigWalletWithTImeLockExceptRemoveAuthorizedAddress/MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress.sol
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.10;
-
-import "../../2.0.0/multisig/MultiSigWalletWithTimeLock.sol";
-
-contract MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress is MultiSigWalletWithTimeLock {
-
-    address public TOKEN_TRANSFER_PROXY_CONTRACT;
-
-    modifier validRemoveAuthorizedAddressTx(uint transactionId) {
-        Transaction storage tx = transactions[transactionId];
-        require(tx.destination == TOKEN_TRANSFER_PROXY_CONTRACT);
-        require(isFunctionRemoveAuthorizedAddress(tx.data));
-        _;
-    }
-
-    /// @dev Contract constructor sets initial owners, required number of confirmations, time lock, and tokenTransferProxy address.
-    /// @param _owners List of initial owners.
-    /// @param _required Number of required confirmations.
-    /// @param _secondsTimeLocked Duration needed after a transaction is confirmed and before it becomes executable, in seconds.
-    /// @param _tokenTransferProxy Address of TokenTransferProxy contract.
-    function MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress(
-        address[] _owners,
-        uint _required,
-        uint _secondsTimeLocked,
-        address _tokenTransferProxy)
-        public
-        MultiSigWalletWithTimeLock(_owners, _required, _secondsTimeLocked)
-    {
-        TOKEN_TRANSFER_PROXY_CONTRACT = _tokenTransferProxy;
-    }
-
-    /// @dev Allows execution of removeAuthorizedAddress without time lock.
-    /// @param transactionId Transaction ID.
-    function executeRemoveAuthorizedAddress(uint transactionId)
-        public
-        notExecuted(transactionId)
-        fullyConfirmed(transactionId)
-        validRemoveAuthorizedAddressTx(transactionId)
-    {
-        Transaction storage tx = transactions[transactionId];
-        tx.executed = true;
-        if (tx.destination.call.value(tx.value)(tx.data))
-            Execution(transactionId);
-        else {
-            ExecutionFailure(transactionId);
-            tx.executed = false;
-        }
-    }
-
-    /// @dev Compares first 4 bytes of byte array to removeAuthorizedAddress function signature.
-    /// @param data Transaction data.
-    /// @return Successful if data is a call to removeAuthorizedAddress.
-    function isFunctionRemoveAuthorizedAddress(bytes data)
-        public
-        constant
-        returns (bool)
-    {
-        bytes4 removeAuthorizedAddressSignature = bytes4(sha3("removeAuthorizedAddress(address)"));
-        for (uint i = 0; i < 4; i++) {
-            require(data[i] == removeAuthorizedAddressSignature[i]);
-        }
-        return true;
-    }
-}
diff --git a/packages/contracts/src/1.0.0/Ownable/IOwnable_v1.sol b/packages/contracts/src/1.0.0/Ownable/IOwnable_v1.sol
deleted file mode 100644
index 7e22d544d..000000000
--- a/packages/contracts/src/1.0.0/Ownable/IOwnable_v1.sol
+++ /dev/null
@@ -1,18 +0,0 @@
-pragma solidity ^0.4.19;
-
-/*
- * Ownable
- *
- * Base contract with an owner.
- * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
- */
-
-contract IOwnable_v1 {
-  
-    function owner()
-      public view
-      returns (address);
-  
-    function transferOwnership(address newOwner)
-      public;
-}
diff --git a/packages/contracts/src/1.0.0/Ownable/Ownable_v1.sol b/packages/contracts/src/1.0.0/Ownable/Ownable_v1.sol
deleted file mode 100644
index c87438fa4..000000000
--- a/packages/contracts/src/1.0.0/Ownable/Ownable_v1.sol
+++ /dev/null
@@ -1,27 +0,0 @@
-pragma solidity ^0.4.11;
-
-/*
- * Ownable
- *
- * Base contract with an owner.
- * Provides onlyOwner modifier, which prevents function from running if it is called by anyone other than the owner.
- */
-
-contract Ownable_v1 {
-    address public owner;
-
-    function Ownable_v1() {
-        owner = msg.sender;
-    }
-
-    modifier onlyOwner() {
-        require(msg.sender == owner);
-        _;
-    }
-
-    function transferOwnership(address newOwner) onlyOwner {
-        if (newOwner != address(0)) {
-            owner = newOwner;
-        }
-    }
-}
diff --git a/packages/contracts/src/1.0.0/SafeMath/SafeMath_v1.sol b/packages/contracts/src/1.0.0/SafeMath/SafeMath_v1.sol
deleted file mode 100644
index 341d611ec..000000000
--- a/packages/contracts/src/1.0.0/SafeMath/SafeMath_v1.sol
+++ /dev/null
@@ -1,73 +0,0 @@
-pragma solidity ^0.4.11;
-
-contract SafeMath_v1 {
-    function safeMul(uint a, uint b)
-        internal
-        constant
-        returns (uint256)
-    {
-        uint c = a * b;
-        assert(a == 0 || c / a == b);
-        return c;
-    }
-
-    function safeDiv(uint a, uint b)
-        internal
-        constant
-        returns (uint256)
-    {
-        uint c = a / b;
-        return c;
-    }
-
-    function safeSub(uint a, uint b)
-        internal
-        constant
-        returns (uint256)
-    {
-        assert(b <= a);
-        return a - b;
-    }
-
-    function safeAdd(uint a, uint b)
-        internal
-        constant
-        returns (uint256)
-    {
-        uint c = a + b;
-        assert(c >= a);
-        return c;
-    }
-
-    function max64(uint64 a, uint64 b)
-        internal
-        constant
-        returns (uint64)
-    {
-        return a >= b ? a : b;
-    }
-
-    function min64(uint64 a, uint64 b)
-        internal
-        constant
-        returns (uint64)
-    {
-        return a < b ? a : b;
-    }
-
-    function max256(uint256 a, uint256 b)
-        internal
-        constant
-        returns (uint256)
-    {
-        return a >= b ? a : b;
-    }
-
-    function min256(uint256 a, uint256 b)
-        internal
-        constant
-        returns (uint256)
-    {
-        return a < b ? a : b;
-    }
-}
diff --git a/packages/contracts/src/1.0.0/TokenRegistry/ITokenRegistery.sol b/packages/contracts/src/1.0.0/TokenRegistry/ITokenRegistery.sol
deleted file mode 100644
index b8bdaf3b9..000000000
--- a/packages/contracts/src/1.0.0/TokenRegistry/ITokenRegistery.sol
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.21;
-
-import { IOwnable_v1 as IOwnable } from "../Ownable/IOwnable_v1.sol";
-
-/// @title Token Registry - Stores metadata associated with ERC20 tokens. See ERC22 https://github.com/ethereum/EIPs/issues/22
-/// @author Amir Bandeali - <amir@0xProject.com>, Will Warren - <will@0xProject.com>
-contract ITokenRegistery is IOwnable {
-
-    event LogAddToken(
-        address indexed token,
-        string name,
-        string symbol,
-        uint8 decimals,
-        bytes ipfsHash,
-        bytes swarmHash
-    );
-
-    event LogRemoveToken(
-        address indexed token,
-        string name,
-        string symbol,
-        uint8 decimals,
-        bytes ipfsHash,
-        bytes swarmHash
-    );
-
-    event LogTokenNameChange(
-        address indexed token,
-        string oldName,
-        string newName
-    );
-    
-    event LogTokenSymbolChange(
-        address indexed token,
-        string oldSymbol,
-        string newSymbol
-    );
-    
-    event LogTokenIpfsHashChange(
-        address indexed token,
-        bytes oldIpfsHash,
-        bytes newIpfsHash
-    );
-    
-    event LogTokenSwarmHashChange(
-        address indexed token,
-        bytes oldSwarmHash,
-        bytes newSwarmHash
-    );
-
-    function tokens(address tokenAddress)
-        public view
-        returns (
-            address token,
-            string name,
-            string symbol,
-            uint8 decimals,
-            bytes ipfsHash,
-            bytes swarmHash
-        );
-
-    function tokenAddresses(uint256 index)
-        public view
-        returns (address);
-
-
-    /// @dev Allows owner to add a new token to the registry.
-    /// @param _token Address of new token.
-    /// @param _name Name of new token.
-    /// @param _symbol Symbol for new token.
-    /// @param _decimals Number of decimals, divisibility of new token.
-    /// @param _ipfsHash IPFS hash of token icon.
-    /// @param _swarmHash Swarm hash of token icon.
-    function addToken(
-        address _token,
-        string _name,
-        string _symbol,
-        uint8 _decimals,
-        bytes _ipfsHash,
-        bytes _swarmHash)
-        public;
-    
-    /// @dev Allows owner to remove an existing token from the registry.
-    /// @param _token Address of existing token.
-    function removeToken(address _token, uint _index)
-        public;
-
-    /// @dev Allows owner to modify an existing token's name.
-    /// @param _token Address of existing token.
-    /// @param _name New name.
-    function setTokenName(address _token, string _name)
-        public;
-
-    /// @dev Allows owner to modify an existing token's symbol.
-    /// @param _token Address of existing token.
-    /// @param _symbol New symbol.
-    function setTokenSymbol(address _token, string _symbol)
-        public;
-
-    /// @dev Allows owner to modify an existing token's IPFS hash.
-    /// @param _token Address of existing token.
-    /// @param _ipfsHash New IPFS hash.
-    function setTokenIpfsHash(address _token, bytes _ipfsHash)
-        public;
-
-    /// @dev Allows owner to modify an existing token's Swarm hash.
-    /// @param _token Address of existing token.
-    /// @param _swarmHash New Swarm hash.
-    function setTokenSwarmHash(address _token, bytes _swarmHash)
-        public;
-
-    /*
-     * Web3 call functions
-     */
-
-    /// @dev Provides a registered token's address when given the token symbol.
-    /// @param _symbol Symbol of registered token.
-    /// @return Token's address.
-    function getTokenAddressBySymbol(string _symbol)
-        public constant
-        returns (address);
-
-    /// @dev Provides a registered token's address when given the token name.
-    /// @param _name Name of registered token.
-    /// @return Token's address.
-    function getTokenAddressByName(string _name)
-        public constant
-        returns (address);
-
-    /// @dev Provides a registered token's metadata, looked up by address.
-    /// @param _token Address of registered token.
-    /// @return Token metadata.
-    function getTokenMetaData(address _token)
-        public constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        );
-
-    /// @dev Provides a registered token's metadata, looked up by name.
-    /// @param _name Name of registered token.
-    /// @return Token metadata.
-    function getTokenByName(string _name)
-        public constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        );
-
-    /// @dev Provides a registered token's metadata, looked up by symbol.
-    /// @param _symbol Symbol of registered token.
-    /// @return Token metadata.
-    function getTokenBySymbol(string _symbol)
-        public constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        );
-
-    /// @dev Returns an array containing all token addresses.
-    /// @return Array of token addresses.
-    function getTokenAddresses()
-        public constant
-        returns (address[]);
-}
diff --git a/packages/contracts/src/1.0.0/TokenRegistry/TokenRegistry.sol b/packages/contracts/src/1.0.0/TokenRegistry/TokenRegistry.sol
deleted file mode 100644
index 7417a10a3..000000000
--- a/packages/contracts/src/1.0.0/TokenRegistry/TokenRegistry.sol
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.11;
-
-import { Ownable_v1 as Ownable } from "../Ownable/Ownable_v1.sol";
-
-/// @title Token Registry - Stores metadata associated with ERC20 tokens. See ERC22 https://github.com/ethereum/EIPs/issues/22
-/// @author Amir Bandeali - <amir@0xProject.com>, Will Warren - <will@0xProject.com>
-contract TokenRegistry is Ownable {
-
-    event LogAddToken(
-        address indexed token,
-        string name,
-        string symbol,
-        uint8 decimals,
-        bytes ipfsHash,
-        bytes swarmHash
-    );
-
-    event LogRemoveToken(
-        address indexed token,
-        string name,
-        string symbol,
-        uint8 decimals,
-        bytes ipfsHash,
-        bytes swarmHash
-    );
-
-    event LogTokenNameChange(address indexed token, string oldName, string newName);
-    event LogTokenSymbolChange(address indexed token, string oldSymbol, string newSymbol);
-    event LogTokenIpfsHashChange(address indexed token, bytes oldIpfsHash, bytes newIpfsHash);
-    event LogTokenSwarmHashChange(address indexed token, bytes oldSwarmHash, bytes newSwarmHash);
-
-    mapping (address => TokenMetadata) public tokens;
-    mapping (string => address) tokenBySymbol;
-    mapping (string => address) tokenByName;
-
-    address[] public tokenAddresses;
-
-    struct TokenMetadata {
-        address token;
-        string name;
-        string symbol;
-        uint8 decimals;
-        bytes ipfsHash;
-        bytes swarmHash;
-    }
-
-    modifier tokenExists(address _token) {
-        require(tokens[_token].token != address(0));
-        _;
-    }
-
-    modifier tokenDoesNotExist(address _token) {
-        require(tokens[_token].token == address(0));
-        _;
-    }
-
-    modifier nameDoesNotExist(string _name) {
-        require(tokenByName[_name] == address(0));
-        _;
-    }
-
-    modifier symbolDoesNotExist(string _symbol) {
-        require(tokenBySymbol[_symbol] == address(0));
-        _;
-    }
-
-    modifier addressNotNull(address _address) {
-        require(_address != address(0));
-        _;
-    }
-
-
-    /// @dev Allows owner to add a new token to the registry.
-    /// @param _token Address of new token.
-    /// @param _name Name of new token.
-    /// @param _symbol Symbol for new token.
-    /// @param _decimals Number of decimals, divisibility of new token.
-    /// @param _ipfsHash IPFS hash of token icon.
-    /// @param _swarmHash Swarm hash of token icon.
-    function addToken(
-        address _token,
-        string _name,
-        string _symbol,
-        uint8 _decimals,
-        bytes _ipfsHash,
-        bytes _swarmHash)
-        public
-        onlyOwner
-        tokenDoesNotExist(_token)
-        addressNotNull(_token)
-        symbolDoesNotExist(_symbol)
-        nameDoesNotExist(_name)
-    {
-        tokens[_token] = TokenMetadata({
-            token: _token,
-            name: _name,
-            symbol: _symbol,
-            decimals: _decimals,
-            ipfsHash: _ipfsHash,
-            swarmHash: _swarmHash
-        });
-        tokenAddresses.push(_token);
-        tokenBySymbol[_symbol] = _token;
-        tokenByName[_name] = _token;
-        LogAddToken(
-            _token,
-            _name,
-            _symbol,
-            _decimals,
-            _ipfsHash,
-            _swarmHash
-        );
-    }
-
-    /// @dev Allows owner to remove an existing token from the registry.
-    /// @param _token Address of existing token.
-    function removeToken(address _token, uint _index)
-        public
-        onlyOwner
-        tokenExists(_token)
-    {
-        require(tokenAddresses[_index] == _token);
-
-        tokenAddresses[_index] = tokenAddresses[tokenAddresses.length - 1];
-        tokenAddresses.length -= 1;
-
-        TokenMetadata storage token = tokens[_token];
-        LogRemoveToken(
-            token.token,
-            token.name,
-            token.symbol,
-            token.decimals,
-            token.ipfsHash,
-            token.swarmHash
-        );
-        delete tokenBySymbol[token.symbol];
-        delete tokenByName[token.name];
-        delete tokens[_token];
-    }
-
-    /// @dev Allows owner to modify an existing token's name.
-    /// @param _token Address of existing token.
-    /// @param _name New name.
-    function setTokenName(address _token, string _name)
-        public
-        onlyOwner
-        tokenExists(_token)
-        nameDoesNotExist(_name)
-    {
-        TokenMetadata storage token = tokens[_token];
-        LogTokenNameChange(_token, token.name, _name);
-        delete tokenByName[token.name];
-        tokenByName[_name] = _token;
-        token.name = _name;
-    }
-
-    /// @dev Allows owner to modify an existing token's symbol.
-    /// @param _token Address of existing token.
-    /// @param _symbol New symbol.
-    function setTokenSymbol(address _token, string _symbol)
-        public
-        onlyOwner
-        tokenExists(_token)
-        symbolDoesNotExist(_symbol)
-    {
-        TokenMetadata storage token = tokens[_token];
-        LogTokenSymbolChange(_token, token.symbol, _symbol);
-        delete tokenBySymbol[token.symbol];
-        tokenBySymbol[_symbol] = _token;
-        token.symbol = _symbol;
-    }
-
-    /// @dev Allows owner to modify an existing token's IPFS hash.
-    /// @param _token Address of existing token.
-    /// @param _ipfsHash New IPFS hash.
-    function setTokenIpfsHash(address _token, bytes _ipfsHash)
-        public
-        onlyOwner
-        tokenExists(_token)
-    {
-        TokenMetadata storage token = tokens[_token];
-        LogTokenIpfsHashChange(_token, token.ipfsHash, _ipfsHash);
-        token.ipfsHash = _ipfsHash;
-    }
-
-    /// @dev Allows owner to modify an existing token's Swarm hash.
-    /// @param _token Address of existing token.
-    /// @param _swarmHash New Swarm hash.
-    function setTokenSwarmHash(address _token, bytes _swarmHash)
-        public
-        onlyOwner
-        tokenExists(_token)
-    {
-        TokenMetadata storage token = tokens[_token];
-        LogTokenSwarmHashChange(_token, token.swarmHash, _swarmHash);
-        token.swarmHash = _swarmHash;
-    }
-
-    /*
-     * Web3 call functions
-     */
-
-    /// @dev Provides a registered token's address when given the token symbol.
-    /// @param _symbol Symbol of registered token.
-    /// @return Token's address.
-    function getTokenAddressBySymbol(string _symbol) constant returns (address) {
-        return tokenBySymbol[_symbol];
-    }
-
-    /// @dev Provides a registered token's address when given the token name.
-    /// @param _name Name of registered token.
-    /// @return Token's address.
-    function getTokenAddressByName(string _name) constant returns (address) {
-        return tokenByName[_name];
-    }
-
-    /// @dev Provides a registered token's metadata, looked up by address.
-    /// @param _token Address of registered token.
-    /// @return Token metadata.
-    function getTokenMetaData(address _token)
-        public
-        constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        )
-    {
-        TokenMetadata memory token = tokens[_token];
-        return (
-            token.token,
-            token.name,
-            token.symbol,
-            token.decimals,
-            token.ipfsHash,
-            token.swarmHash
-        );
-    }
-
-    /// @dev Provides a registered token's metadata, looked up by name.
-    /// @param _name Name of registered token.
-    /// @return Token metadata.
-    function getTokenByName(string _name)
-        public
-        constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        )
-    {
-        address _token = tokenByName[_name];
-        return getTokenMetaData(_token);
-    }
-
-    /// @dev Provides a registered token's metadata, looked up by symbol.
-    /// @param _symbol Symbol of registered token.
-    /// @return Token metadata.
-    function getTokenBySymbol(string _symbol)
-        public
-        constant
-        returns (
-            address,  //tokenAddress
-            string,   //name
-            string,   //symbol
-            uint8,    //decimals
-            bytes,    //ipfsHash
-            bytes     //swarmHash
-        )
-    {
-        address _token = tokenBySymbol[_symbol];
-        return getTokenMetaData(_token);
-    }
-
-    /// @dev Returns an array containing all token addresses.
-    /// @return Array of token addresses.
-    function getTokenAddresses()
-        public
-        constant
-        returns (address[])
-    {
-        return tokenAddresses;
-    }
-}
diff --git a/packages/contracts/src/1.0.0/TokenTransferProxy/TokenTransferProxy_v1.sol b/packages/contracts/src/1.0.0/TokenTransferProxy/TokenTransferProxy_v1.sol
deleted file mode 100644
index e3659d8ba..000000000
--- a/packages/contracts/src/1.0.0/TokenTransferProxy/TokenTransferProxy_v1.sol
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
-
-  Copyright 2018 ZeroEx Intl.
-
-  Licensed under the Apache License, Version 2.0 (the "License");
-  you may not use this file except in compliance with the License.
-  You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
-
-*/
-
-pragma solidity ^0.4.11;
-
-import { Token_v1 as Token } from "../Token/Token_v1.sol";
-import { Ownable_v1 as Ownable } from "../Ownable/Ownable_v1.sol";
-
-/// @title TokenTransferProxy - Transfers tokens on behalf of contracts that have been approved via decentralized governance.
-/// @author Amir Bandeali - <amir@0xProject.com>, Will Warren - <will@0xProject.com>
-contract TokenTransferProxy_v1 is Ownable {
-
-    /// @dev Only authorized addresses can invoke functions with this modifier.
-    modifier onlyAuthorized {
-        require(authorized[msg.sender]);
-        _;
-    }
-
-    modifier targetAuthorized(address target) {
-        require(authorized[target]);
-        _;
-    }
-
-    modifier targetNotAuthorized(address target) {
-        require(!authorized[target]);
-        _;
-    }
-
-    mapping (address => bool) public authorized;
-    address[] public authorities;
-
-    event LogAuthorizedAddressAdded(address indexed target, address indexed caller);
-    event LogAuthorizedAddressRemoved(address indexed target, address indexed caller);
-
-    /*
-     * Public functions
-     */
-
-    /// @dev Authorizes an address.
-    /// @param target Address to authorize.
-    function addAuthorizedAddress(address target)
-        public
-        onlyOwner
-        targetNotAuthorized(target)
-    {
-        authorized[target] = true;
-        authorities.push(target);
-        LogAuthorizedAddressAdded(target, msg.sender);
-    }
-
-    /// @dev Removes authorizion of an address.
-    /// @param target Address to remove authorization from.
-    function removeAuthorizedAddress(address target)
-        public
-        onlyOwner
-        targetAuthorized(target)
-    {
-        delete authorized[target];
-        for (uint i = 0; i < authorities.length; i++) {
-            if (authorities[i] == target) {
-                authorities[i] = authorities[authorities.length - 1];
-                authorities.length -= 1;
-                break;
-            }
-        }
-        LogAuthorizedAddressRemoved(target, msg.sender);
-    }
-
-    /// @dev Calls into ERC20 Token contract, invoking transferFrom.
-    /// @param token Address of token to transfer.
-    /// @param from Address to transfer token from.
-    /// @param to Address to transfer token to.
-    /// @param value Amount of token to transfer.
-    /// @return Success of transfer.
-    function transferFrom(
-        address token,
-        address from,
-        address to,
-        uint value)
-        public
-        onlyAuthorized
-        returns (bool)
-    {
-        return Token(token).transferFrom(from, to, value);
-    }
-
-    /*
-     * Public constant functions
-     */
-
-    /// @dev Gets all authorized addresses.
-    /// @return Array of authorized addresses.
-    function getAuthorizedAddresses()
-        public
-        constant
-        returns (address[])
-    {
-        return authorities;
-    }
-}
diff --git a/packages/contracts/src/artifacts/index.ts b/packages/contracts/src/artifacts/index.ts
new file mode 100644
index 000000000..c30972a91
--- /dev/null
+++ b/packages/contracts/src/artifacts/index.ts
@@ -0,0 +1,79 @@
+import { ContractArtifact } from 'ethereum-types';
+
+import * as AssetProxyOwner from '../../generated-artifacts/AssetProxyOwner.json';
+import * as DummyERC20Token from '../../generated-artifacts/DummyERC20Token.json';
+import * as DummyERC721Receiver from '../../generated-artifacts/DummyERC721Receiver.json';
+import * as DummyERC721Token from '../../generated-artifacts/DummyERC721Token.json';
+import * as DummyMultipleReturnERC20Token from '../../generated-artifacts/DummyMultipleReturnERC20Token.json';
+import * as DummyNoReturnERC20Token from '../../generated-artifacts/DummyNoReturnERC20Token.json';
+import * as ERC20Proxy from '../../generated-artifacts/ERC20Proxy.json';
+import * as ERC20Token from '../../generated-artifacts/ERC20Token.json';
+import * as ERC721Proxy from '../../generated-artifacts/ERC721Proxy.json';
+import * as ERC721Token from '../../generated-artifacts/ERC721Token.json';
+import * as Exchange from '../../generated-artifacts/Exchange.json';
+import * as ExchangeWrapper from '../../generated-artifacts/ExchangeWrapper.json';
+import * as Forwarder from '../../generated-artifacts/Forwarder.json';
+import * as IAssetData from '../../generated-artifacts/IAssetData.json';
+import * as IAssetProxy from '../../generated-artifacts/IAssetProxy.json';
+import * as InvalidERC721Receiver from '../../generated-artifacts/InvalidERC721Receiver.json';
+import * as IValidator from '../../generated-artifacts/IValidator.json';
+import * as IWallet from '../../generated-artifacts/IWallet.json';
+import * as MixinAuthorizable from '../../generated-artifacts/MixinAuthorizable.json';
+import * as MultiSigWallet from '../../generated-artifacts/MultiSigWallet.json';
+import * as MultiSigWalletWithTimeLock from '../../generated-artifacts/MultiSigWalletWithTimeLock.json';
+import * as OrderValidator from '../../generated-artifacts/OrderValidator.json';
+import * as ReentrantERC20Token from '../../generated-artifacts/ReentrantERC20Token.json';
+import * as TestAssetProxyDispatcher from '../../generated-artifacts/TestAssetProxyDispatcher.json';
+import * as TestAssetProxyOwner from '../../generated-artifacts/TestAssetProxyOwner.json';
+import * as TestConstants from '../../generated-artifacts/TestConstants.json';
+import * as TestExchangeInternals from '../../generated-artifacts/TestExchangeInternals.json';
+import * as TestLibBytes from '../../generated-artifacts/TestLibBytes.json';
+import * as TestLibs from '../../generated-artifacts/TestLibs.json';
+import * as TestSignatureValidator from '../../generated-artifacts/TestSignatureValidator.json';
+import * as TestStaticCallReceiver from '../../generated-artifacts/TestStaticCallReceiver.json';
+import * as Validator from '../../generated-artifacts/Validator.json';
+import * as Wallet from '../../generated-artifacts/Wallet.json';
+import * as WETH9 from '../../generated-artifacts/WETH9.json';
+import * as Whitelist from '../../generated-artifacts/Whitelist.json';
+import * as ZRXToken from '../../generated-artifacts/ZRXToken.json';
+
+export const artifacts = {
+    AssetProxyOwner: AssetProxyOwner as ContractArtifact,
+    DummyERC20Token: DummyERC20Token as ContractArtifact,
+    DummyERC721Receiver: DummyERC721Receiver as ContractArtifact,
+    DummyERC721Token: DummyERC721Token as ContractArtifact,
+    DummyMultipleReturnERC20Token: DummyMultipleReturnERC20Token as ContractArtifact,
+    DummyNoReturnERC20Token: DummyNoReturnERC20Token as ContractArtifact,
+    ERC20Proxy: ERC20Proxy as ContractArtifact,
+    ERC20Token: ERC20Token as ContractArtifact,
+    ERC721Proxy: ERC721Proxy as ContractArtifact,
+    ERC721Token: ERC721Token as ContractArtifact,
+    Exchange: Exchange as ContractArtifact,
+    ExchangeWrapper: ExchangeWrapper as ContractArtifact,
+    Forwarder: Forwarder as ContractArtifact,
+    IAssetData: IAssetData as ContractArtifact,
+    IAssetProxy: IAssetProxy as ContractArtifact,
+    IValidator: IValidator as ContractArtifact,
+    IWallet: IWallet as ContractArtifact,
+    InvalidERC721Receiver: InvalidERC721Receiver as ContractArtifact,
+    MixinAuthorizable: MixinAuthorizable as ContractArtifact,
+    MultiSigWallet: MultiSigWallet as ContractArtifact,
+    MultiSigWalletWithTimeLock: MultiSigWalletWithTimeLock as ContractArtifact,
+    OrderValidator: OrderValidator as ContractArtifact,
+    ReentrantERC20Token: ReentrantERC20Token as ContractArtifact,
+    TestAssetProxyDispatcher: TestAssetProxyDispatcher as ContractArtifact,
+    TestAssetProxyOwner: TestAssetProxyOwner as ContractArtifact,
+    TestConstants: TestConstants as ContractArtifact,
+    TestExchangeInternals: TestExchangeInternals as ContractArtifact,
+    TestLibBytes: TestLibBytes as ContractArtifact,
+    TestLibs: TestLibs as ContractArtifact,
+    TestSignatureValidator: TestSignatureValidator as ContractArtifact,
+    TestStaticCallReceiver: TestStaticCallReceiver as ContractArtifact,
+    Validator: Validator as ContractArtifact,
+    WETH9: WETH9 as ContractArtifact,
+    Wallet: Wallet as ContractArtifact,
+    Whitelist: Whitelist as ContractArtifact,
+    // Note(albrow): "as any" hack still required here because ZRXToken does not
+    // conform to the v2 artifact type.
+    ZRXToken: (ZRXToken as any) as ContractArtifact,
+};
diff --git a/packages/contracts/src/wrappers/index.ts b/packages/contracts/src/wrappers/index.ts
new file mode 100644
index 000000000..9ca676b56
--- /dev/null
+++ b/packages/contracts/src/wrappers/index.ts
@@ -0,0 +1,34 @@
+export * from '../../generated-wrappers/asset_proxy_owner';
+export * from '../../generated-wrappers/dummy_erc20_token';
+export * from '../../generated-wrappers/dummy_erc721_receiver';
+export * from '../../generated-wrappers/dummy_erc721_token';
+export * from '../../generated-wrappers/dummy_multiple_return_erc20_token';
+export * from '../../generated-wrappers/dummy_no_return_erc20_token';
+export * from '../../generated-wrappers/erc20_proxy';
+export * from '../../generated-wrappers/erc721_proxy';
+export * from '../../generated-wrappers/erc20_token';
+export * from '../../generated-wrappers/erc721_token';
+export * from '../../generated-wrappers/exchange';
+export * from '../../generated-wrappers/exchange_wrapper';
+export * from '../../generated-wrappers/forwarder';
+export * from '../../generated-wrappers/i_asset_data';
+export * from '../../generated-wrappers/i_asset_proxy';
+export * from '../../generated-wrappers/invalid_erc721_receiver';
+export * from '../../generated-wrappers/mixin_authorizable';
+export * from '../../generated-wrappers/multi_sig_wallet';
+export * from '../../generated-wrappers/multi_sig_wallet_with_time_lock';
+export * from '../../generated-wrappers/order_validator';
+export * from '../../generated-wrappers/reentrant_erc20_token';
+export * from '../../generated-wrappers/test_asset_proxy_dispatcher';
+export * from '../../generated-wrappers/test_asset_proxy_owner';
+export * from '../../generated-wrappers/test_constants';
+export * from '../../generated-wrappers/test_exchange_internals';
+export * from '../../generated-wrappers/test_lib_bytes';
+export * from '../../generated-wrappers/test_libs';
+export * from '../../generated-wrappers/test_signature_validator';
+export * from '../../generated-wrappers/test_static_call_receiver';
+export * from '../../generated-wrappers/validator';
+export * from '../../generated-wrappers/wallet';
+export * from '../../generated-wrappers/weth9';
+export * from '../../generated-wrappers/whitelist';
+export * from '../../generated-wrappers/zrx_token';
diff --git a/packages/contracts/test/asset_proxy/authorizable.ts b/packages/contracts/test/asset_proxy/authorizable.ts
index 0c0da46b3..a37a865fe 100644
--- a/packages/contracts/test/asset_proxy/authorizable.ts
+++ b/packages/contracts/test/asset_proxy/authorizable.ts
@@ -4,8 +4,8 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { MixinAuthorizableContract } from '../../generated_contract_wrappers/mixin_authorizable';
-import { artifacts } from '../utils/artifacts';
+import { MixinAuthorizableContract } from '../../generated-wrappers/mixin_authorizable';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/asset_proxy/proxies.ts b/packages/contracts/test/asset_proxy/proxies.ts
index 4d70031d1..a46a580d1 100644
--- a/packages/contracts/test/asset_proxy/proxies.ts
+++ b/packages/contracts/test/asset_proxy/proxies.ts
@@ -5,15 +5,15 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721ReceiverContract } from '../../generated_contract_wrappers/dummy_erc721_receiver';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { DummyMultipleReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_multiple_return_erc20_token';
-import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
-import { IAssetProxyContract } from '../../generated_contract_wrappers/i_asset_proxy';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721ReceiverContract } from '../../generated-wrappers/dummy_erc721_receiver';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { DummyMultipleReturnERC20TokenContract } from '../../generated-wrappers/dummy_multiple_return_erc20_token';
+import { DummyNoReturnERC20TokenContract } from '../../generated-wrappers/dummy_no_return_erc20_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { IAssetProxyContract } from '../../generated-wrappers/i_asset_proxy';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync, expectTransactionFailedWithoutReasonAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/exchange/core.ts b/packages/contracts/test/exchange/core.ts
index acb99eed1..a47240efc 100644
--- a/packages/contracts/test/exchange/core.ts
+++ b/packages/contracts/test/exchange/core.ts
@@ -8,18 +8,15 @@ import { LogWithDecodedArgs } from 'ethereum-types';
 import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 
-import {
-    DummyERC20TokenContract,
-    DummyERC20TokenTransferEventArgs,
-} from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { DummyNoReturnERC20TokenContract } from '../../generated_contract_wrappers/dummy_no_return_erc20_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
-import { ExchangeCancelEventArgs, ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { ReentrantERC20TokenContract } from '../../generated_contract_wrappers/reentrant_erc20_token';
-import { TestStaticCallReceiverContract } from '../../generated_contract_wrappers/test_static_call_receiver';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract, DummyERC20TokenTransferEventArgs } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { DummyNoReturnERC20TokenContract } from '../../generated-wrappers/dummy_no_return_erc20_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { ExchangeCancelEventArgs, ExchangeContract } from '../../generated-wrappers/exchange';
+import { ReentrantERC20TokenContract } from '../../generated-wrappers/reentrant_erc20_token';
+import { TestStaticCallReceiverContract } from '../../generated-wrappers/test_static_call_receiver';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { getLatestBlockTimestampAsync, increaseTimeAndMineBlockAsync } from '../utils/block_timestamp';
 import { chaiSetup } from '../utils/chai_setup';
diff --git a/packages/contracts/test/exchange/dispatcher.ts b/packages/contracts/test/exchange/dispatcher.ts
index a8ae897a8..2967ed4e8 100644
--- a/packages/contracts/test/exchange/dispatcher.ts
+++ b/packages/contracts/test/exchange/dispatcher.ts
@@ -6,14 +6,14 @@ import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
 import {
     TestAssetProxyDispatcherAssetProxyRegisteredEventArgs,
     TestAssetProxyDispatcherContract,
-} from '../../generated_contract_wrappers/test_asset_proxy_dispatcher';
-import { artifacts } from '../utils/artifacts';
+} from '../../generated-wrappers/test_asset_proxy_dispatcher';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/exchange/internal.ts b/packages/contracts/test/exchange/internal.ts
index 156e086af..a1a14d56c 100644
--- a/packages/contracts/test/exchange/internal.ts
+++ b/packages/contracts/test/exchange/internal.ts
@@ -4,8 +4,8 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { TestExchangeInternalsContract } from '../../generated_contract_wrappers/test_exchange_internals';
-import { artifacts } from '../utils/artifacts';
+import { TestExchangeInternalsContract } from '../../generated-wrappers/test_exchange_internals';
+import { artifacts } from '../../src/artifacts';
 import { getRevertReasonOrErrorMessageForSendTransactionAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from '../utils/combinatorial_utils';
diff --git a/packages/contracts/test/exchange/libs.ts b/packages/contracts/test/exchange/libs.ts
index 049b7f37a..9d5aebcd2 100644
--- a/packages/contracts/test/exchange/libs.ts
+++ b/packages/contracts/test/exchange/libs.ts
@@ -4,10 +4,10 @@ import { SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 
-import { TestConstantsContract } from '../../generated_contract_wrappers/test_constants';
-import { TestLibsContract } from '../../generated_contract_wrappers/test_libs';
+import { TestConstantsContract } from '../../generated-wrappers/test_constants';
+import { TestLibsContract } from '../../generated-wrappers/test_libs';
+import { artifacts } from '../../src/artifacts';
 import { addressUtils } from '../utils/address_utils';
-import { artifacts } from '../utils/artifacts';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
 import { OrderFactory } from '../utils/order_factory';
diff --git a/packages/contracts/test/exchange/match_orders.ts b/packages/contracts/test/exchange/match_orders.ts
index c6e7b494f..d20b6227f 100644
--- a/packages/contracts/test/exchange/match_orders.ts
+++ b/packages/contracts/test/exchange/match_orders.ts
@@ -6,14 +6,14 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { ReentrantERC20TokenContract } from '../../generated_contract_wrappers/reentrant_erc20_token';
-import { TestExchangeInternalsContract } from '../../generated_contract_wrappers/test_exchange_internals';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
+import { ReentrantERC20TokenContract } from '../../generated-wrappers/reentrant_erc20_token';
+import { TestExchangeInternalsContract } from '../../generated-wrappers/test_exchange_internals';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/exchange/signature_validator.ts b/packages/contracts/test/exchange/signature_validator.ts
index 192ed3ca9..6b9cc87f4 100644
--- a/packages/contracts/test/exchange/signature_validator.ts
+++ b/packages/contracts/test/exchange/signature_validator.ts
@@ -8,12 +8,12 @@ import ethUtil = require('ethereumjs-util');
 import {
     TestSignatureValidatorContract,
     TestSignatureValidatorSignatureValidatorApprovalEventArgs,
-} from '../../generated_contract_wrappers/test_signature_validator';
-import { TestStaticCallReceiverContract } from '../../generated_contract_wrappers/test_static_call_receiver';
-import { ValidatorContract } from '../../generated_contract_wrappers/validator';
-import { WalletContract } from '../../generated_contract_wrappers/wallet';
+} from '../../generated-wrappers/test_signature_validator';
+import { TestStaticCallReceiverContract } from '../../generated-wrappers/test_static_call_receiver';
+import { ValidatorContract } from '../../generated-wrappers/validator';
+import { WalletContract } from '../../generated-wrappers/wallet';
+import { artifacts } from '../../src/artifacts';
 import { addressUtils } from '../utils/address_utils';
-import { artifacts } from '../utils/artifacts';
 import { expectContractCallFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/exchange/transactions.ts b/packages/contracts/test/exchange/transactions.ts
index 2bdd96b16..c440770c1 100644
--- a/packages/contracts/test/exchange/transactions.ts
+++ b/packages/contracts/test/exchange/transactions.ts
@@ -5,12 +5,12 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { ExchangeWrapperContract } from '../../generated_contract_wrappers/exchange_wrapper';
-import { WhitelistContract } from '../../generated_contract_wrappers/whitelist';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
+import { ExchangeWrapperContract } from '../../generated-wrappers/exchange_wrapper';
+import { WhitelistContract } from '../../generated-wrappers/whitelist';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/exchange/wrapper.ts b/packages/contracts/test/exchange/wrapper.ts
index aadb5ab59..1ddb018ba 100644
--- a/packages/contracts/test/exchange/wrapper.ts
+++ b/packages/contracts/test/exchange/wrapper.ts
@@ -6,13 +6,13 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { ReentrantERC20TokenContract } from '../../generated_contract_wrappers/reentrant_erc20_token';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
+import { ReentrantERC20TokenContract } from '../../generated-wrappers/reentrant_erc20_token';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync } from '../utils/assertions';
 import { getLatestBlockTimestampAsync, increaseTimeAndMineBlockAsync } from '../utils/block_timestamp';
 import { chaiSetup } from '../utils/chai_setup';
diff --git a/packages/contracts/test/extensions/forwarder.ts b/packages/contracts/test/extensions/forwarder.ts
index 8424d01fd..f6d1303b0 100644
--- a/packages/contracts/test/extensions/forwarder.ts
+++ b/packages/contracts/test/extensions/forwarder.ts
@@ -6,12 +6,12 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 import { TransactionReceiptWithDecodedLogs } from 'ethereum-types';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { ForwarderContract } from '../../generated_contract_wrappers/forwarder';
-import { WETH9Contract } from '../../generated_contract_wrappers/weth9';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
+import { ForwarderContract } from '../../generated-wrappers/forwarder';
+import { WETH9Contract } from '../../generated-wrappers/weth9';
+import { artifacts } from '../../src/artifacts';
 import {
     expectContractCreationFailedAsync,
     expectTransactionFailedAsync,
@@ -91,7 +91,7 @@ describe(ContractName.Forwarder, () => {
         const erc721Balances = await erc721Wrapper.getBalancesAsync();
         erc721MakerAssetIds = erc721Balances[makerAddress][erc721Token.address];
 
-        wethContract = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.EtherToken, provider, txDefaults);
+        wethContract = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.WETH9, provider, txDefaults);
         weth = new DummyERC20TokenContract(wethContract.abi, wethContract.address, provider);
         erc20Wrapper.addDummyTokenContract(weth);
 
diff --git a/packages/contracts/test/extensions/order_validator.ts b/packages/contracts/test/extensions/order_validator.ts
index 3a57cfc37..5c01de020 100644
--- a/packages/contracts/test/extensions/order_validator.ts
+++ b/packages/contracts/test/extensions/order_validator.ts
@@ -5,13 +5,13 @@ import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
-import { OrderValidatorContract } from '../../generated_contract_wrappers/order_validator';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
+import { OrderValidatorContract } from '../../generated-wrappers/order_validator';
+import { artifacts } from '../../src/artifacts';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
 import { ERC20Wrapper } from '../utils/erc20_wrapper';
diff --git a/packages/contracts/test/libraries/lib_bytes.ts b/packages/contracts/test/libraries/lib_bytes.ts
index 13640a761..8e8ed7ede 100644
--- a/packages/contracts/test/libraries/lib_bytes.ts
+++ b/packages/contracts/test/libraries/lib_bytes.ts
@@ -7,8 +7,8 @@ import * as chai from 'chai';
 import ethUtil = require('ethereumjs-util');
 import * as _ from 'lodash';
 
-import { TestLibBytesContract } from '../../generated_contract_wrappers/test_lib_bytes';
-import { artifacts } from '../utils/artifacts';
+import { TestLibBytesContract } from '../../generated-wrappers/test_lib_bytes';
+import { artifacts } from '../../src/artifacts';
 import { expectContractCallFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/multisig/asset_proxy_owner.ts b/packages/contracts/test/multisig/asset_proxy_owner.ts
index 299707512..d866b392e 100644
--- a/packages/contracts/test/multisig/asset_proxy_owner.ts
+++ b/packages/contracts/test/multisig/asset_proxy_owner.ts
@@ -10,10 +10,10 @@ import {
     AssetProxyOwnerExecutionEventArgs,
     AssetProxyOwnerExecutionFailureEventArgs,
     AssetProxyOwnerSubmissionEventArgs,
-} from '../../generated_contract_wrappers/asset_proxy_owner';
-import { MixinAuthorizableContract } from '../../generated_contract_wrappers/mixin_authorizable';
-import { TestAssetProxyOwnerContract } from '../../generated_contract_wrappers/test_asset_proxy_owner';
-import { artifacts } from '../utils/artifacts';
+} from '../../generated-wrappers/asset_proxy_owner';
+import { MixinAuthorizableContract } from '../../generated-wrappers/mixin_authorizable';
+import { TestAssetProxyOwnerContract } from '../../generated-wrappers/test_asset_proxy_owner';
+import { artifacts } from '../../src/artifacts';
 import {
     expectContractCallFailedAsync,
     expectContractCreationFailedAsync,
diff --git a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
index 0b17c298b..60787ac50 100644
--- a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
@@ -5,7 +5,7 @@ import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
 import {
     MultiSigWalletWithTimeLockConfirmationEventArgs,
     MultiSigWalletWithTimeLockConfirmationTimeSetEventArgs,
@@ -13,8 +13,8 @@ import {
     MultiSigWalletWithTimeLockExecutionEventArgs,
     MultiSigWalletWithTimeLockExecutionFailureEventArgs,
     MultiSigWalletWithTimeLockSubmissionEventArgs,
-} from '../../generated_contract_wrappers/multi_sig_wallet_with_time_lock';
-import { artifacts } from '../utils/artifacts';
+} from '../../generated-wrappers/multi_sig_wallet_with_time_lock';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync, expectTransactionFailedWithoutReasonAsync } from '../utils/assertions';
 import { increaseTimeAndMineBlockAsync } from '../utils/block_timestamp';
 import { chaiSetup } from '../utils/chai_setup';
diff --git a/packages/contracts/test/token_registry.ts b/packages/contracts/test/token_registry.ts
deleted file mode 100644
index 7cc43be9b..000000000
--- a/packages/contracts/test/token_registry.ts
+++ /dev/null
@@ -1,255 +0,0 @@
-import { BlockchainLifecycle } from '@0xproject/dev-utils';
-import { BigNumber, NULL_BYTES } from '@0xproject/utils';
-import * as chai from 'chai';
-import ethUtil = require('ethereumjs-util');
-import * as _ from 'lodash';
-
-import { TokenRegistryContract } from '../generated_contract_wrappers/token_registry';
-
-import { artifacts } from './utils/artifacts';
-import { expectTransactionFailedWithoutReasonAsync } from './utils/assertions';
-import { chaiSetup } from './utils/chai_setup';
-import { constants } from './utils/constants';
-import { TokenRegWrapper } from './utils/token_registry_wrapper';
-import { provider, txDefaults, web3Wrapper } from './utils/web3_wrapper';
-
-chaiSetup.configure();
-const expect = chai.expect;
-const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
-
-describe('TokenRegistry', () => {
-    let owner: string;
-    let notOwner: string;
-    let tokenReg: TokenRegistryContract;
-    let tokenRegWrapper: TokenRegWrapper;
-
-    before(async () => {
-        await blockchainLifecycle.startAsync();
-    });
-    after(async () => {
-        await blockchainLifecycle.revertAsync();
-    });
-    before(async () => {
-        const accounts = await web3Wrapper.getAvailableAddressesAsync();
-        owner = accounts[0];
-        notOwner = accounts[1];
-        tokenReg = await TokenRegistryContract.deployFrom0xArtifactAsync(artifacts.TokenRegistry, provider, txDefaults);
-        tokenRegWrapper = new TokenRegWrapper(tokenReg, provider);
-    });
-    beforeEach(async () => {
-        await blockchainLifecycle.startAsync();
-    });
-    afterEach(async () => {
-        await blockchainLifecycle.revertAsync();
-    });
-
-    const tokenAddress1 = `0x${ethUtil.setLength(ethUtil.toBuffer('0x1'), 20, false).toString('hex')}`;
-    const tokenAddress2 = `0x${ethUtil.setLength(ethUtil.toBuffer('0x2'), 20, false).toString('hex')}`;
-
-    const token1 = {
-        address: tokenAddress1,
-        name: 'testToken1',
-        symbol: 'TT1',
-        decimals: 18,
-        ipfsHash: `0x${ethUtil.sha3('ipfs1').toString('hex')}`,
-        swarmHash: `0x${ethUtil.sha3('swarm1').toString('hex')}`,
-    };
-
-    const token2 = {
-        address: tokenAddress2,
-        name: 'testToken2',
-        symbol: 'TT2',
-        decimals: 18,
-        ipfsHash: `0x${ethUtil.sha3('ipfs2').toString('hex')}`,
-        swarmHash: `0x${ethUtil.sha3('swarm2').toString('hex')}`,
-    };
-
-    const nullToken = {
-        address: constants.NULL_ADDRESS,
-        name: '',
-        symbol: '',
-        decimals: 0,
-        ipfsHash: NULL_BYTES,
-        swarmHash: NULL_BYTES,
-    };
-
-    describe('addToken', () => {
-        it('should throw when not called by owner', async () => {
-            return expectTransactionFailedWithoutReasonAsync(tokenRegWrapper.addTokenAsync(token1, notOwner));
-        });
-
-        it('should add token metadata when called by owner', async () => {
-            await tokenRegWrapper.addTokenAsync(token1, owner);
-            const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
-            expect(tokenData).to.be.deep.equal(token1);
-        });
-
-        it('should throw if token already exists', async () => {
-            await tokenRegWrapper.addTokenAsync(token1, owner);
-
-            return expectTransactionFailedWithoutReasonAsync(tokenRegWrapper.addTokenAsync(token1, owner));
-        });
-
-        it('should throw if token address is null', async () => {
-            return expectTransactionFailedWithoutReasonAsync(tokenRegWrapper.addTokenAsync(nullToken, owner));
-        });
-
-        it('should throw if name already exists', async () => {
-            await tokenRegWrapper.addTokenAsync(token1, owner);
-            const duplicateNameToken = _.assign({}, token2, { name: token1.name });
-
-            return expectTransactionFailedWithoutReasonAsync(tokenRegWrapper.addTokenAsync(duplicateNameToken, owner));
-        });
-
-        it('should throw if symbol already exists', async () => {
-            await tokenRegWrapper.addTokenAsync(token1, owner);
-            const duplicateSymbolToken = _.assign({}, token2, {
-                symbol: token1.symbol,
-            });
-
-            return expectTransactionFailedWithoutReasonAsync(
-                tokenRegWrapper.addTokenAsync(duplicateSymbolToken, owner),
-            );
-        });
-    });
-
-    describe('after addToken', () => {
-        beforeEach(async () => {
-            await tokenRegWrapper.addTokenAsync(token1, owner);
-        });
-
-        describe('getTokenByName', () => {
-            it('should return token metadata when given the token name', async () => {
-                const tokenData = await tokenRegWrapper.getTokenByNameAsync(token1.name);
-                expect(tokenData).to.be.deep.equal(token1);
-            });
-        });
-
-        describe('getTokenBySymbol', () => {
-            it('should return token metadata when given the token symbol', async () => {
-                const tokenData = await tokenRegWrapper.getTokenBySymbolAsync(token1.symbol);
-                expect(tokenData).to.be.deep.equal(token1);
-            });
-        });
-
-        describe('setTokenName', () => {
-            it('should throw when not called by owner', async () => {
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenName.sendTransactionAsync(token1.address, token2.name, { from: notOwner }),
-                );
-            });
-
-            it('should change the token name when called by owner', async () => {
-                await web3Wrapper.awaitTransactionSuccessAsync(
-                    await tokenReg.setTokenName.sendTransactionAsync(token1.address, token2.name, {
-                        from: owner,
-                    }),
-                    constants.AWAIT_TRANSACTION_MINED_MS,
-                );
-                const [newData, oldData] = await Promise.all([
-                    tokenRegWrapper.getTokenByNameAsync(token2.name),
-                    tokenRegWrapper.getTokenByNameAsync(token1.name),
-                ]);
-
-                const expectedNewData = _.assign({}, token1, { name: token2.name });
-                const expectedOldData = nullToken;
-                expect(newData).to.be.deep.equal(expectedNewData);
-                expect(oldData).to.be.deep.equal(expectedOldData);
-            });
-
-            it('should throw if the name already exists', async () => {
-                await tokenRegWrapper.addTokenAsync(token2, owner);
-
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenName.sendTransactionAsync(token1.address, token2.name, { from: owner }),
-                );
-            });
-
-            it('should throw if token does not exist', async () => {
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenName.sendTransactionAsync(nullToken.address, token2.name, { from: owner }),
-                );
-            });
-        });
-
-        describe('setTokenSymbol', () => {
-            it('should throw when not called by owner', async () => {
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenSymbol.sendTransactionAsync(token1.address, token2.symbol, {
-                        from: notOwner,
-                    }),
-                );
-            });
-
-            it('should change the token symbol when called by owner', async () => {
-                await web3Wrapper.awaitTransactionSuccessAsync(
-                    await tokenReg.setTokenSymbol.sendTransactionAsync(token1.address, token2.symbol, { from: owner }),
-                    constants.AWAIT_TRANSACTION_MINED_MS,
-                );
-                const [newData, oldData] = await Promise.all([
-                    tokenRegWrapper.getTokenBySymbolAsync(token2.symbol),
-                    tokenRegWrapper.getTokenBySymbolAsync(token1.symbol),
-                ]);
-
-                const expectedNewData = _.assign({}, token1, { symbol: token2.symbol });
-                const expectedOldData = nullToken;
-                expect(newData).to.be.deep.equal(expectedNewData);
-                expect(oldData).to.be.deep.equal(expectedOldData);
-            });
-
-            it('should throw if the symbol already exists', async () => {
-                await tokenRegWrapper.addTokenAsync(token2, owner);
-
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenSymbol.sendTransactionAsync(token1.address, token2.symbol, {
-                        from: owner,
-                    }),
-                );
-            });
-
-            it('should throw if token does not exist', async () => {
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.setTokenSymbol.sendTransactionAsync(nullToken.address, token2.symbol, {
-                        from: owner,
-                    }),
-                );
-            });
-        });
-
-        describe('removeToken', () => {
-            it('should throw if not called by owner', async () => {
-                const index = new BigNumber(0);
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.removeToken.sendTransactionAsync(token1.address, index, { from: notOwner }),
-                );
-            });
-
-            it('should remove token metadata when called by owner', async () => {
-                const index = new BigNumber(0);
-                await web3Wrapper.awaitTransactionSuccessAsync(
-                    await tokenReg.removeToken.sendTransactionAsync(token1.address, index, {
-                        from: owner,
-                    }),
-                    constants.AWAIT_TRANSACTION_MINED_MS,
-                );
-                const tokenData = await tokenRegWrapper.getTokenMetaDataAsync(token1.address);
-                expect(tokenData).to.be.deep.equal(nullToken);
-            });
-
-            it('should throw if token does not exist', async () => {
-                const index = new BigNumber(0);
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.removeToken.sendTransactionAsync(nullToken.address, index, { from: owner }),
-                );
-            });
-
-            it('should throw if token at given index does not match address', async () => {
-                await tokenRegWrapper.addTokenAsync(token2, owner);
-                const incorrectIndex = new BigNumber(0);
-                return expectTransactionFailedWithoutReasonAsync(
-                    tokenReg.removeToken.sendTransactionAsync(token2.address, incorrectIndex, { from: owner }),
-                );
-            });
-        });
-    });
-});
diff --git a/packages/contracts/test/tokens/erc721_token.ts b/packages/contracts/test/tokens/erc721_token.ts
index e61fd7d51..fe10e060a 100644
--- a/packages/contracts/test/tokens/erc721_token.ts
+++ b/packages/contracts/test/tokens/erc721_token.ts
@@ -7,13 +7,13 @@ import { LogWithDecodedArgs } from 'ethereum-types';
 import {
     DummyERC721ReceiverContract,
     DummyERC721ReceiverTokenReceivedEventArgs,
-} from '../../generated_contract_wrappers/dummy_erc721_receiver';
+} from '../../generated-wrappers/dummy_erc721_receiver';
 import {
     DummyERC721TokenContract,
     DummyERC721TokenTransferEventArgs,
-} from '../../generated_contract_wrappers/dummy_erc721_token';
-import { InvalidERC721ReceiverContract } from '../../generated_contract_wrappers/invalid_erc721_receiver';
-import { artifacts } from '../utils/artifacts';
+} from '../../generated-wrappers/dummy_erc721_token';
+import { InvalidERC721ReceiverContract } from '../../generated-wrappers/invalid_erc721_receiver';
+import { artifacts } from '../../src/artifacts';
 import { expectTransactionFailedAsync, expectTransactionFailedWithoutReasonAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/tokens/unlimited_allowance_token.ts b/packages/contracts/test/tokens/unlimited_allowance_token.ts
index 63680fe9b..ec00e43ab 100644
--- a/packages/contracts/test/tokens/unlimited_allowance_token.ts
+++ b/packages/contracts/test/tokens/unlimited_allowance_token.ts
@@ -3,8 +3,8 @@ import { RevertReason } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { artifacts } from '../utils/artifacts';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { artifacts } from '../../src/artifacts';
 import { expectContractCallFailedAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
diff --git a/packages/contracts/test/tokens/ether_token.ts b/packages/contracts/test/tokens/weth9.ts
index a104fc915..25463ac62 100644
--- a/packages/contracts/test/tokens/ether_token.ts
+++ b/packages/contracts/test/tokens/weth9.ts
@@ -3,8 +3,8 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 
-import { WETH9Contract } from '../../generated_contract_wrappers/weth9';
-import { artifacts } from '../utils/artifacts';
+import { WETH9Contract } from '../../generated-wrappers/weth9';
+import { artifacts } from '../../src/artifacts';
 import { expectInsufficientFundsAsync, expectTransactionFailedWithoutReasonAsync } from '../utils/assertions';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
@@ -29,7 +29,7 @@ describe('EtherToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         account = accounts[0];
 
-        etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.EtherToken, provider, {
+        etherToken = await WETH9Contract.deployFrom0xArtifactAsync(artifacts.WETH9, provider, {
             gasPrice,
             ...txDefaults,
         });
diff --git a/packages/contracts/test/tokens/zrx_token.ts b/packages/contracts/test/tokens/zrx_token.ts
index a0d77c924..8881aca77 100644
--- a/packages/contracts/test/tokens/zrx_token.ts
+++ b/packages/contracts/test/tokens/zrx_token.ts
@@ -3,8 +3,8 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as chai from 'chai';
 
-import { ZRXTokenContract } from '../../generated_contract_wrappers/zrx_token';
-import { artifacts } from '../utils/artifacts';
+import { ZRXTokenContract } from '../../generated-wrappers/zrx_token';
+import { artifacts } from '../../src/artifacts';
 import { chaiSetup } from '../utils/chai_setup';
 import { constants } from '../utils/constants';
 import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper';
@@ -29,7 +29,7 @@ describe('ZRXToken', () => {
         const accounts = await web3Wrapper.getAvailableAddressesAsync();
         owner = accounts[0];
         spender = accounts[1];
-        zrxToken = await ZRXTokenContract.deployFrom0xArtifactAsync(artifacts.ZRX, provider, txDefaults);
+        zrxToken = await ZRXTokenContract.deployFrom0xArtifactAsync(artifacts.ZRXToken, provider, txDefaults);
         MAX_UINT = constants.UNLIMITED_ALLOWANCE_IN_BASE_UNITS;
     });
     beforeEach(async () => {
diff --git a/packages/contracts/test/utils/artifacts.ts b/packages/contracts/test/utils/artifacts.ts
deleted file mode 100644
index 53f2a4e4e..000000000
--- a/packages/contracts/test/utils/artifacts.ts
+++ /dev/null
@@ -1,69 +0,0 @@
-import { ContractArtifact } from 'ethereum-types';
-
-import * as AssetProxyOwner from '../../artifacts/AssetProxyOwner.json';
-import * as DummyERC20Token from '../../artifacts/DummyERC20Token.json';
-import * as DummyERC721Receiver from '../../artifacts/DummyERC721Receiver.json';
-import * as DummyERC721Token from '../../artifacts/DummyERC721Token.json';
-import * as DummyMultipleReturnERC20Token from '../../artifacts/DummyMultipleReturnERC20Token.json';
-import * as DummyNoReturnERC20Token from '../../artifacts/DummyNoReturnERC20Token.json';
-import * as ERC20Proxy from '../../artifacts/ERC20Proxy.json';
-import * as ERC721Proxy from '../../artifacts/ERC721Proxy.json';
-import * as Exchange from '../../artifacts/Exchange.json';
-import * as ExchangeWrapper from '../../artifacts/ExchangeWrapper.json';
-import * as Forwarder from '../../artifacts/Forwarder.json';
-import * as IAssetProxy from '../../artifacts/IAssetProxy.json';
-import * as InvalidERC721Receiver from '../../artifacts/InvalidERC721Receiver.json';
-import * as MixinAuthorizable from '../../artifacts/MixinAuthorizable.json';
-import * as MultiSigWallet from '../../artifacts/MultiSigWallet.json';
-import * as MultiSigWalletWithTimeLock from '../../artifacts/MultiSigWalletWithTimeLock.json';
-import * as OrderValidator from '../../artifacts/OrderValidator.json';
-import * as ReentrantERC20Token from '../../artifacts/ReentrantERC20Token.json';
-import * as TestAssetProxyDispatcher from '../../artifacts/TestAssetProxyDispatcher.json';
-import * as TestAssetProxyOwner from '../../artifacts/TestAssetProxyOwner.json';
-import * as TestConstants from '../../artifacts/TestConstants.json';
-import * as TestExchangeInternals from '../../artifacts/TestExchangeInternals.json';
-import * as TestLibBytes from '../../artifacts/TestLibBytes.json';
-import * as TestLibs from '../../artifacts/TestLibs.json';
-import * as TestSignatureValidator from '../../artifacts/TestSignatureValidator.json';
-import * as TestStaticCallReceiver from '../../artifacts/TestStaticCallReceiver.json';
-import * as TokenRegistry from '../../artifacts/TokenRegistry.json';
-import * as Validator from '../../artifacts/Validator.json';
-import * as Wallet from '../../artifacts/Wallet.json';
-import * as EtherToken from '../../artifacts/WETH9.json';
-import * as Whitelist from '../../artifacts/Whitelist.json';
-import * as ZRX from '../../artifacts/ZRXToken.json';
-
-export const artifacts = {
-    AssetProxyOwner: (AssetProxyOwner as any) as ContractArtifact,
-    DummyERC20Token: (DummyERC20Token as any) as ContractArtifact,
-    DummyERC721Receiver: (DummyERC721Receiver as any) as ContractArtifact,
-    DummyERC721Token: (DummyERC721Token as any) as ContractArtifact,
-    DummyMultipleReturnERC20Token: (DummyMultipleReturnERC20Token as any) as ContractArtifact,
-    DummyNoReturnERC20Token: (DummyNoReturnERC20Token as any) as ContractArtifact,
-    ERC20Proxy: (ERC20Proxy as any) as ContractArtifact,
-    ERC721Proxy: (ERC721Proxy as any) as ContractArtifact,
-    Exchange: (Exchange as any) as ContractArtifact,
-    ExchangeWrapper: (ExchangeWrapper as any) as ContractArtifact,
-    EtherToken: (EtherToken as any) as ContractArtifact,
-    Forwarder: (Forwarder as any) as ContractArtifact,
-    IAssetProxy: (IAssetProxy as any) as ContractArtifact,
-    InvalidERC721Receiver: (InvalidERC721Receiver as any) as ContractArtifact,
-    MixinAuthorizable: (MixinAuthorizable as any) as ContractArtifact,
-    MultiSigWallet: (MultiSigWallet as any) as ContractArtifact,
-    MultiSigWalletWithTimeLock: (MultiSigWalletWithTimeLock as any) as ContractArtifact,
-    OrderValidator: (OrderValidator as any) as ContractArtifact,
-    ReentrantERC20Token: (ReentrantERC20Token as any) as ContractArtifact,
-    TestAssetProxyOwner: (TestAssetProxyOwner as any) as ContractArtifact,
-    TestAssetProxyDispatcher: (TestAssetProxyDispatcher as any) as ContractArtifact,
-    TestConstants: (TestConstants as any) as ContractArtifact,
-    TestLibBytes: (TestLibBytes as any) as ContractArtifact,
-    TestLibs: (TestLibs as any) as ContractArtifact,
-    TestExchangeInternals: (TestExchangeInternals as any) as ContractArtifact,
-    TestSignatureValidator: (TestSignatureValidator as any) as ContractArtifact,
-    TestStaticCallReceiver: (TestStaticCallReceiver as any) as ContractArtifact,
-    Validator: (Validator as any) as ContractArtifact,
-    Wallet: (Wallet as any) as ContractArtifact,
-    TokenRegistry: (TokenRegistry as any) as ContractArtifact,
-    Whitelist: (Whitelist as any) as ContractArtifact,
-    ZRX: (ZRX as any) as ContractArtifact,
-};
diff --git a/packages/contracts/test/utils/erc20_wrapper.ts b/packages/contracts/test/utils/erc20_wrapper.ts
index 526ffe9f8..05eaed52b 100644
--- a/packages/contracts/test/utils/erc20_wrapper.ts
+++ b/packages/contracts/test/utils/erc20_wrapper.ts
@@ -4,10 +4,10 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { DummyERC20TokenContract } from '../../generated_contract_wrappers/dummy_erc20_token';
-import { ERC20ProxyContract } from '../../generated_contract_wrappers/erc20_proxy';
+import { DummyERC20TokenContract } from '../../generated-wrappers/dummy_erc20_token';
+import { ERC20ProxyContract } from '../../generated-wrappers/erc20_proxy';
+import { artifacts } from '../../src/artifacts';
 
-import { artifacts } from './artifacts';
 import { constants } from './constants';
 import { ERC20BalancesByOwner } from './types';
 import { txDefaults } from './web3_wrapper';
diff --git a/packages/contracts/test/utils/erc721_wrapper.ts b/packages/contracts/test/utils/erc721_wrapper.ts
index 743d10706..cdc8f4af6 100644
--- a/packages/contracts/test/utils/erc721_wrapper.ts
+++ b/packages/contracts/test/utils/erc721_wrapper.ts
@@ -4,10 +4,10 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
-import { ERC721ProxyContract } from '../../generated_contract_wrappers/erc721_proxy';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
+import { ERC721ProxyContract } from '../../generated-wrappers/erc721_proxy';
+import { artifacts } from '../../src/artifacts';
 
-import { artifacts } from './artifacts';
 import { constants } from './constants';
 import { ERC721TokenIdsByOwner } from './types';
 import { txDefaults } from './web3_wrapper';
diff --git a/packages/contracts/test/utils/exchange_wrapper.ts b/packages/contracts/test/utils/exchange_wrapper.ts
index 619d43994..00014f660 100644
--- a/packages/contracts/test/utils/exchange_wrapper.ts
+++ b/packages/contracts/test/utils/exchange_wrapper.ts
@@ -3,7 +3,7 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
 
-import { ExchangeContract } from '../../generated_contract_wrappers/exchange';
+import { ExchangeContract } from '../../generated-wrappers/exchange';
 
 import { formatters } from './formatters';
 import { LogDecoder } from './log_decoder';
diff --git a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
index 92d0f4003..f7c35c469 100644
--- a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
+++ b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
@@ -14,10 +14,10 @@ import { LogWithDecodedArgs, Provider, TxData } from 'ethereum-types';
 import * as _ from 'lodash';
 import 'make-promises-safe';
 
-import { ExchangeContract, ExchangeFillEventArgs } from '../../generated_contract_wrappers/exchange';
-import { TestLibsContract } from '../../generated_contract_wrappers/test_libs';
+import { ExchangeContract, ExchangeFillEventArgs } from '../../generated-wrappers/exchange';
+import { TestLibsContract } from '../../generated-wrappers/test_libs';
+import { artifacts } from '../../src/artifacts';
 
-import { artifacts } from './artifacts';
 import { expectTransactionFailedAsync } from './assertions';
 import { AssetWrapper } from './asset_wrapper';
 import { chaiSetup } from './chai_setup';
diff --git a/packages/contracts/test/utils/forwarder_wrapper.ts b/packages/contracts/test/utils/forwarder_wrapper.ts
index de247a878..07527bc2e 100644
--- a/packages/contracts/test/utils/forwarder_wrapper.ts
+++ b/packages/contracts/test/utils/forwarder_wrapper.ts
@@ -4,7 +4,7 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider, TransactionReceiptWithDecodedLogs, TxDataPayable } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { ForwarderContract } from '../../generated_contract_wrappers/forwarder';
+import { ForwarderContract } from '../../generated-wrappers/forwarder';
 
 import { constants } from './constants';
 import { formatters } from './formatters';
diff --git a/packages/contracts/test/utils/log_decoder.ts b/packages/contracts/test/utils/log_decoder.ts
index 144a18dd1..10ddbdcba 100644
--- a/packages/contracts/test/utils/log_decoder.ts
+++ b/packages/contracts/test/utils/log_decoder.ts
@@ -11,7 +11,8 @@ import {
 } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { artifacts } from './artifacts';
+import { artifacts } from '../../src/artifacts';
+
 import { constants } from './constants';
 
 export class LogDecoder {
diff --git a/packages/contracts/test/utils/multi_sig_wrapper.ts b/packages/contracts/test/utils/multi_sig_wrapper.ts
index e12a58695..953d1004e 100644
--- a/packages/contracts/test/utils/multi_sig_wrapper.ts
+++ b/packages/contracts/test/utils/multi_sig_wrapper.ts
@@ -3,8 +3,8 @@ import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import { Provider, TransactionReceiptWithDecodedLogs } from 'ethereum-types';
 import * as _ from 'lodash';
 
-import { AssetProxyOwnerContract } from '../../generated_contract_wrappers/asset_proxy_owner';
-import { MultiSigWalletContract } from '../../generated_contract_wrappers/multi_sig_wallet';
+import { AssetProxyOwnerContract } from '../../generated-wrappers/asset_proxy_owner';
+import { MultiSigWalletContract } from '../../generated-wrappers/multi_sig_wallet';
 
 import { LogDecoder } from './log_decoder';
 
diff --git a/packages/contracts/test/utils/order_factory_from_scenario.ts b/packages/contracts/test/utils/order_factory_from_scenario.ts
index 8e04db588..2ffb2d620 100644
--- a/packages/contracts/test/utils/order_factory_from_scenario.ts
+++ b/packages/contracts/test/utils/order_factory_from_scenario.ts
@@ -2,7 +2,7 @@ import { assetDataUtils, generatePseudoRandomSalt } from '@0xproject/order-utils
 import { Order } from '@0xproject/types';
 import { BigNumber, errorUtils } from '@0xproject/utils';
 
-import { DummyERC721TokenContract } from '../../generated_contract_wrappers/dummy_erc721_token';
+import { DummyERC721TokenContract } from '../../generated-wrappers/dummy_erc721_token';
 
 import { constants } from './constants';
 import {
diff --git a/packages/contracts/test/utils/token_registry_wrapper.ts b/packages/contracts/test/utils/token_registry_wrapper.ts
deleted file mode 100644
index f1c40e8ff..000000000
--- a/packages/contracts/test/utils/token_registry_wrapper.ts
+++ /dev/null
@@ -1,66 +0,0 @@
-import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import { Provider } from 'ethereum-types';
-
-import { TokenRegistryContract } from '../../generated_contract_wrappers/token_registry';
-
-import { Token } from './types';
-
-import { constants } from './constants';
-
-export class TokenRegWrapper {
-    private readonly _tokenReg: TokenRegistryContract;
-    private readonly _web3Wrapper: Web3Wrapper;
-    constructor(tokenRegContract: TokenRegistryContract, provider: Provider) {
-        this._tokenReg = tokenRegContract;
-        this._web3Wrapper = new Web3Wrapper(provider);
-    }
-    public async addTokenAsync(token: Token, from: string): Promise<string> {
-        const txHash = await this._tokenReg.addToken.sendTransactionAsync(
-            token.address as string,
-            token.name,
-            token.symbol,
-            token.decimals,
-            token.ipfsHash,
-            token.swarmHash,
-            { from },
-        );
-        await this._web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
-        return txHash;
-    }
-    public async getTokenMetaDataAsync(tokenAddress: string): Promise<Token> {
-        const data = await this._tokenReg.getTokenMetaData.callAsync(tokenAddress);
-        const token: Token = {
-            address: data[0],
-            name: data[1],
-            symbol: data[2],
-            decimals: data[3],
-            ipfsHash: data[4],
-            swarmHash: data[5],
-        };
-        return token;
-    }
-    public async getTokenByNameAsync(tokenName: string): Promise<Token> {
-        const data = await this._tokenReg.getTokenByName.callAsync(tokenName);
-        const token: Token = {
-            address: data[0],
-            name: data[1],
-            symbol: data[2],
-            decimals: data[3],
-            ipfsHash: data[4],
-            swarmHash: data[5],
-        };
-        return token;
-    }
-    public async getTokenBySymbolAsync(tokenSymbol: string): Promise<Token> {
-        const data = await this._tokenReg.getTokenBySymbol.callAsync(tokenSymbol);
-        const token: Token = {
-            address: data[0],
-            name: data[1],
-            symbol: data[2],
-            decimals: data[3],
-            ipfsHash: data[4],
-            swarmHash: data[5],
-        };
-        return token;
-    }
-}
diff --git a/packages/contracts/tsconfig.json b/packages/contracts/tsconfig.json
index 5fd4c5331..8b29365cc 100644
--- a/packages/contracts/tsconfig.json
+++ b/packages/contracts/tsconfig.json
@@ -2,15 +2,47 @@
     "extends": "../../tsconfig",
     "compilerOptions": {
         "outDir": "lib",
-        "rootDir": "."
+        "rootDir": ".",
+        "resolveJsonModule": true
     },
-    "include": [
-        "./globals.d.ts",
-        "./generated_contract_wrappers",
-        "./src/**/*",
-        "./utils/**/*",
-        "./test/**/*",
-        "./migrations/**/*"
+    "include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
+    "files": [
+        "./generated-artifacts/AssetProxyOwner.json",
+        "./generated-artifacts/DummyERC20Token.json",
+        "./generated-artifacts/DummyERC721Receiver.json",
+        "./generated-artifacts/DummyERC721Token.json",
+        "./generated-artifacts/DummyMultipleReturnERC20Token.json",
+        "./generated-artifacts/DummyNoReturnERC20Token.json",
+        "./generated-artifacts/ERC20Proxy.json",
+        "./generated-artifacts/ERC20Token.json",
+        "./generated-artifacts/ERC721Proxy.json",
+        "./generated-artifacts/ERC721Token.json",
+        "./generated-artifacts/Exchange.json",
+        "./generated-artifacts/ExchangeWrapper.json",
+        "./generated-artifacts/Forwarder.json",
+        "./generated-artifacts/IAssetData.json",
+        "./generated-artifacts/IAssetProxy.json",
+        "./generated-artifacts/IValidator.json",
+        "./generated-artifacts/IWallet.json",
+        "./generated-artifacts/InvalidERC721Receiver.json",
+        "./generated-artifacts/MixinAuthorizable.json",
+        "./generated-artifacts/MultiSigWallet.json",
+        "./generated-artifacts/MultiSigWalletWithTimeLock.json",
+        "./generated-artifacts/OrderValidator.json",
+        "./generated-artifacts/ReentrantERC20Token.json",
+        "./generated-artifacts/TestAssetProxyDispatcher.json",
+        "./generated-artifacts/TestAssetProxyOwner.json",
+        "./generated-artifacts/TestConstants.json",
+        "./generated-artifacts/TestExchangeInternals.json",
+        "./generated-artifacts/TestLibBytes.json",
+        "./generated-artifacts/TestLibs.json",
+        "./generated-artifacts/TestSignatureValidator.json",
+        "./generated-artifacts/TestStaticCallReceiver.json",
+        "./generated-artifacts/Validator.json",
+        "./generated-artifacts/WETH9.json",
+        "./generated-artifacts/Wallet.json",
+        "./generated-artifacts/Whitelist.json",
+        "./generated-artifacts/ZRXToken.json"
     ],
     "exclude": ["./deploy/solc/solc_bin"]
 }