diff --git a/contracts/examples/contracts/ExchangeWrapper/ExchangeWrapper.sol b/contracts/examples/contracts/examples/ExchangeWrapper.sol
similarity index 97%
rename from contracts/examples/contracts/ExchangeWrapper/ExchangeWrapper.sol
rename to contracts/examples/contracts/examples/ExchangeWrapper.sol
index d981369229..081e6a0b07 100644
--- a/contracts/examples/contracts/ExchangeWrapper/ExchangeWrapper.sol
+++ b/contracts/examples/contracts/examples/ExchangeWrapper.sol
@@ -20,7 +20,7 @@ pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 
 
 contract ExchangeWrapper {
diff --git a/contracts/examples/contracts/Validator/Validator.sol b/contracts/examples/contracts/examples/Validator.sol
similarity index 100%
rename from contracts/examples/contracts/Validator/Validator.sol
rename to contracts/examples/contracts/examples/Validator.sol
diff --git a/contracts/examples/contracts/Wallet/Wallet.sol b/contracts/examples/contracts/examples/Wallet.sol
similarity index 96%
rename from contracts/examples/contracts/Wallet/Wallet.sol
rename to contracts/examples/contracts/examples/Wallet.sol
index 8edc74eb3f..cace55ad07 100644
--- a/contracts/examples/contracts/Wallet/Wallet.sol
+++ b/contracts/examples/contracts/examples/Wallet.sol
@@ -19,7 +19,7 @@
 pragma solidity 0.4.24;
 
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IWallet.sol";
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
 
 
 contract Wallet is 
diff --git a/contracts/examples/contracts/Whitelist/Whitelist.sol b/contracts/examples/contracts/examples/Whitelist.sol
similarity index 96%
rename from contracts/examples/contracts/Whitelist/Whitelist.sol
rename to contracts/examples/contracts/examples/Whitelist.sol
index 2a3d33738b..67a5e54dce 100644
--- a/contracts/examples/contracts/Whitelist/Whitelist.sol
+++ b/contracts/examples/contracts/examples/Whitelist.sol
@@ -20,8 +20,8 @@ pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 
 
 contract Whitelist is
diff --git a/contracts/examples/package.json b/contracts/examples/package.json
index 845ea06362..8f067f987e 100644
--- a/contracts/examples/package.json
+++ b/contracts/examples/package.json
@@ -60,8 +60,7 @@
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
         "@0x/contracts-interfaces": "^1.0.6",
-        "@0x/contracts-libs": "^1.0.6",
-        "@0x/contracts-multisig": "^1.0.6",
+        "@0x/contracts-exchange-libs": "^1.0.6",
         "@0x/contracts-tokens": "^1.0.6",
         "@0x/contracts-utils": "^1.0.6",
         "@0x/order-utils": "^3.1.2",
diff --git a/contracts/exchange-libs/contracts/libs/LibAbiEncoder.sol b/contracts/exchange-libs/contracts/exchange-libs/LibAbiEncoder.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibAbiEncoder.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibAbiEncoder.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibAssetProxyErrors.sol b/contracts/exchange-libs/contracts/exchange-libs/LibAssetProxyErrors.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibAssetProxyErrors.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibAssetProxyErrors.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibConstants.sol b/contracts/exchange-libs/contracts/exchange-libs/LibConstants.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibConstants.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibConstants.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibEIP712.sol b/contracts/exchange-libs/contracts/exchange-libs/LibEIP712.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibEIP712.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibEIP712.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibExchangeErrors.sol b/contracts/exchange-libs/contracts/exchange-libs/LibExchangeErrors.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibExchangeErrors.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibExchangeErrors.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibExchangeSelectors.sol b/contracts/exchange-libs/contracts/exchange-libs/LibExchangeSelectors.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibExchangeSelectors.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibExchangeSelectors.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibFillResults.sol b/contracts/exchange-libs/contracts/exchange-libs/LibFillResults.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibFillResults.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibFillResults.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibMath.sol b/contracts/exchange-libs/contracts/exchange-libs/LibMath.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibMath.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibMath.sol
diff --git a/contracts/exchange-libs/contracts/libs/LibOrder.sol b/contracts/exchange-libs/contracts/exchange-libs/LibOrder.sol
similarity index 100%
rename from contracts/exchange-libs/contracts/libs/LibOrder.sol
rename to contracts/exchange-libs/contracts/exchange-libs/LibOrder.sol
diff --git a/contracts/exchange-libs/contracts/test/TestLibs.sol b/contracts/exchange-libs/contracts/test/TestLibs.sol
index 30d2ad2ac0..618db709e8 100644
--- a/contracts/exchange-libs/contracts/test/TestLibs.sol
+++ b/contracts/exchange-libs/contracts/test/TestLibs.sol
@@ -16,13 +16,13 @@
 
 */
 
-pragma solidity ^0.4.24;
+pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "../libs/LibMath.sol";
-import "../libs/LibOrder.sol";
-import "../libs/LibFillResults.sol";
-import "../libs/LibAbiEncoder.sol";
+import "../exchange-libs/LibMath.sol";
+import "../exchange-libs/LibOrder.sol";
+import "../exchange-libs/LibFillResults.sol";
+import "../exchange-libs/LibAbiEncoder.sol";
 
 
 contract TestLibs is 
diff --git a/contracts/exchange-libs/package.json b/contracts/exchange-libs/package.json
index 9b880fb2d2..3da886f1d6 100644
--- a/contracts/exchange-libs/package.json
+++ b/contracts/exchange-libs/package.json
@@ -70,7 +70,6 @@
     },
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-multisig": "^1.0.6",
         "@0x/contracts-utils": "^1.0.6",
         "@0x/order-utils": "^3.1.2",
         "@0x/types": "^1.5.2",
diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol b/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol
index da050bf72f..d9138040c6 100644
--- a/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol
+++ b/contracts/extensions/contracts/BalanceThresholdFilter/MixinBalanceThresholdFilterCore.sol
@@ -18,8 +18,8 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-libs/contracts/libs/LibExchangeSelectors.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibExchangeSelectors.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 import "./mixins/MBalanceThresholdFilterCore.sol";
 import "./MixinExchangeCalldata.sol";
 
diff --git a/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol b/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol
index a15e95a9d8..9c3570e5fd 100644
--- a/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol
+++ b/contracts/extensions/contracts/BalanceThresholdFilter/MixinExchangeCalldata.sol
@@ -20,7 +20,7 @@
 pragma solidity ^0.4.24;
 
 import "./mixins/MExchangeCalldata.sol";
-import "@0x/contracts-libs/contracts/libs/LibAddressArray.sol";
+import "@0x/contracts-utils/contracts/utils/LibAddressArray.sol";
 
 
 contract MixinExchangeCalldata is 
diff --git a/contracts/extensions/contracts/DutchAuction/DutchAuction.sol b/contracts/extensions/contracts/DutchAuction/DutchAuction.sol
index 9c9f3990ad..df84d4fa80 100644
--- a/contracts/extensions/contracts/DutchAuction/DutchAuction.sol
+++ b/contracts/extensions/contracts/DutchAuction/DutchAuction.sol
@@ -20,10 +20,10 @@ pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
-import "@0x/contracts-utils/contracts/utils/SafeMath/SafeMath.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/SafeMath.sol";
 
 
 contract DutchAuction is
diff --git a/contracts/extensions/contracts/Forwarder/MixinAssets.sol b/contracts/extensions/contracts/Forwarder/MixinAssets.sol
index 116cdf2671..a995594aca 100644
--- a/contracts/extensions/contracts/Forwarder/MixinAssets.sol
+++ b/contracts/extensions/contracts/Forwarder/MixinAssets.sol
@@ -18,8 +18,8 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol";
 import "./libs/LibConstants.sol";
diff --git a/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol b/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol
index cab26741de..9ce74d0946 100644
--- a/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol
+++ b/contracts/extensions/contracts/Forwarder/MixinExchangeWrapper.sol
@@ -21,10 +21,10 @@ pragma experimental ABIEncoderV2;
 
 import "./libs/LibConstants.sol";
 import "./mixins/MExchangeWrapper.sol";
-import "@0x/contracts-libs/contracts/libs/LibAbiEncoder.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
-import "@0x/contracts-libs/contracts/libs/LibMath.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibAbiEncoder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibMath.sol";
 
 
 contract MixinExchangeWrapper is
diff --git a/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol b/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol
index 11c0147a56..7a5af5b2bd 100644
--- a/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol
+++ b/contracts/extensions/contracts/Forwarder/MixinForwarderCore.sol
@@ -24,10 +24,10 @@ import "./mixins/MWeth.sol";
 import "./mixins/MAssets.sol";
 import "./mixins/MExchangeWrapper.sol";
 import "./interfaces/IForwarderCore.sol";
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
-import "@0x/contracts-libs/contracts/libs/LibMath.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibMath.sol";
 
 
 contract MixinForwarderCore is
diff --git a/contracts/extensions/contracts/Forwarder/MixinWeth.sol b/contracts/extensions/contracts/Forwarder/MixinWeth.sol
index 25a35f47b0..69a0531f23 100644
--- a/contracts/extensions/contracts/Forwarder/MixinWeth.sol
+++ b/contracts/extensions/contracts/Forwarder/MixinWeth.sol
@@ -18,7 +18,7 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-libs/contracts/libs/LibMath.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibMath.sol";
 import "./libs/LibConstants.sol";
 import "./mixins/MWeth.sol";
 
diff --git a/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol b/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol
index 7f62722e77..0f4d2623f7 100644
--- a/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol
+++ b/contracts/extensions/contracts/Forwarder/interfaces/IForwarderCore.sol
@@ -19,8 +19,8 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
 
 
 contract IForwarderCore {
diff --git a/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol b/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol
index 0d2f6e36d9..ebb5a967cd 100644
--- a/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol
+++ b/contracts/extensions/contracts/Forwarder/libs/LibConstants.sol
@@ -18,7 +18,7 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
 import "@0x/contracts-tokens/contracts/tokens/EtherToken/IEtherToken.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
diff --git a/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol b/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol
index 143f888b1c..4fd9946ec2 100644
--- a/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol
+++ b/contracts/extensions/contracts/Forwarder/mixins/MExchangeWrapper.sol
@@ -19,8 +19,8 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
 
 
 contract MExchangeWrapper {
diff --git a/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol b/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol
index f0f91cfc00..10b8e01dc6 100644
--- a/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol
+++ b/contracts/extensions/contracts/OrderMatcher/MixinAssets.sol
@@ -18,8 +18,8 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol";
 import "./mixins/MAssets.sol";
diff --git a/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol b/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol
index 1787deb595..62f48cf1e7 100644
--- a/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol
+++ b/contracts/extensions/contracts/OrderMatcher/MixinMatchOrders.sol
@@ -20,9 +20,9 @@ pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "./libs/LibConstants.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 
 
 contract MixinMatchOrders is
diff --git a/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol b/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol
index 4879b7bcaf..0bb4df9d90 100644
--- a/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol
+++ b/contracts/extensions/contracts/OrderMatcher/OrderMatcher.sol
@@ -19,7 +19,7 @@
 pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 import "./libs/LibConstants.sol";
 import "./MixinMatchOrders.sol";
 import "./MixinAssets.sol";
diff --git a/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol b/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol
index 1443c73b9a..5044e0a865 100644
--- a/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol
+++ b/contracts/extensions/contracts/OrderMatcher/interfaces/IMatchOrders.sol
@@ -19,7 +19,7 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 
 
 contract IMatchOrders {
diff --git a/contracts/extensions/contracts/OrderValidator/OrderValidator.sol b/contracts/extensions/contracts/OrderValidator/OrderValidator.sol
index 33dd1326c5..12ffdc763f 100644
--- a/contracts/extensions/contracts/OrderValidator/OrderValidator.sol
+++ b/contracts/extensions/contracts/OrderValidator/OrderValidator.sol
@@ -20,10 +20,10 @@ pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC20Token/IERC20Token.sol";
 import "@0x/contracts-tokens/contracts/tokens/ERC721Token/IERC721Token.sol";
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
 
 
 contract OrderValidator {
diff --git a/contracts/extensions/package.json b/contracts/extensions/package.json
index 14492af8fb..1c9db34a6e 100644
--- a/contracts/extensions/package.json
+++ b/contracts/extensions/package.json
@@ -71,9 +71,10 @@
     },
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
+        "@0x/contracts-asset-proxy": "^2.2.3",
         "@0x/contracts-interfaces": "^1.0.6",
-        "@0x/contracts-libs": "^1.0.6",
-        "@0x/contracts-protocol": "^2.2.3",
+        "@0x/contracts-exchange-libs": "^1.0.6",
+        "@0x/contracts-exchange": "^2.2.3",
         "@0x/contracts-tokens": "^1.0.6",
         "@0x/contracts-utils": "^1.0.6",
         "@0x/order-utils": "^3.1.2",
diff --git a/contracts/extensions/test/extensions/balance_threshold_filter.ts b/contracts/extensions/test/extensions/balance_threshold_filter.ts
index adeb7c422e..055beb487d 100644
--- a/contracts/extensions/test/extensions/balance_threshold_filter.ts
+++ b/contracts/extensions/test/extensions/balance_threshold_filter.ts
@@ -8,12 +8,12 @@ import { TransactionReceiptWithDecodedLogs } from 'ethereum-types';
 import * as _ from 'lodash';
 
 import {
-    artifacts as protocolArtifacts,
+    artifacts as exchangeArtifacts,
     ERC20Wrapper,
     ERC721Wrapper,
     ExchangeContract,
     ExchangeWrapper,
-} from '@0x/contracts-protocol';
+} from '@0x/contracts-exchange';
 import {
     chaiSetup,
     constants,
@@ -134,7 +134,7 @@ describe(ContractName.BalanceThresholdFilter, () => {
         await erc20Wrapper.setBalancesAndAllowancesAsync();
         // Deploy Exchange contract
         exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.Exchange,
+            exchangeArtifacts.Exchange,
             provider,
             txDefaults,
             zrxAssetData,
diff --git a/contracts/extensions/test/extensions/dutch_auction.ts b/contracts/extensions/test/extensions/dutch_auction.ts
index 22b3caa162..132989efe5 100644
--- a/contracts/extensions/test/extensions/dutch_auction.ts
+++ b/contracts/extensions/test/extensions/dutch_auction.ts
@@ -1,11 +1,11 @@
 import { DutchAuctionWrapper } from '@0x/contract-wrappers';
 import {
-    artifacts as protocolArtifacts,
+    artifacts as exchangeArtifacts,
     ERC20Wrapper,
     ERC721Wrapper,
     ExchangeContract,
     ExchangeWrapper,
-} from '@0x/contracts-protocol';
+} from '@0x/contracts-exchange';
 import {
     chaiSetup,
     constants,
@@ -98,7 +98,7 @@ describe(ContractName.DutchAuction, () => {
 
         const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
         const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.Exchange,
+            exchangeArtifacts.Exchange,
             provider,
             txDefaults,
             zrxAssetData,
diff --git a/contracts/extensions/test/extensions/forwarder.ts b/contracts/extensions/test/extensions/forwarder.ts
index 69939ed04d..e9bda43aec 100644
--- a/contracts/extensions/test/extensions/forwarder.ts
+++ b/contracts/extensions/test/extensions/forwarder.ts
@@ -1,10 +1,10 @@
 import {
-    artifacts as protocolArtifacts,
+    artifacts as exchangeArtifacts,
     ERC20Wrapper,
     ERC721Wrapper,
     ExchangeContract,
     ExchangeWrapper,
-} from '@0x/contracts-protocol';
+} from '@0x/contracts-exchange';
 import {
     chaiSetup,
     constants,
@@ -107,7 +107,7 @@ describe(ContractName.Forwarder, () => {
         wethAssetData = assetDataUtils.encodeERC20AssetData(wethContract.address);
         zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
         const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.Exchange,
+            exchangeArtifacts.Exchange,
             provider,
             txDefaults,
             zrxAssetData,
@@ -178,7 +178,7 @@ describe(ContractName.Forwarder, () => {
     describe('constructor', () => {
         it('should revert if assetProxy is unregistered', async () => {
             const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-                protocolArtifacts.Exchange,
+                exchangeArtifacts.Exchange,
                 provider,
                 txDefaults,
                 zrxAssetData,
diff --git a/contracts/extensions/test/extensions/order_matcher.ts b/contracts/extensions/test/extensions/order_matcher.ts
index acb46ced46..61965dab39 100644
--- a/contracts/extensions/test/extensions/order_matcher.ts
+++ b/contracts/extensions/test/extensions/order_matcher.ts
@@ -1,12 +1,11 @@
+import { artifacts as proxyArtifacts, ERC20ProxyContract, ERC721ProxyContract } from '@0x/contracts-asset-proxy';
 import {
-    artifacts as protocolArtifacts,
-    ERC20ProxyContract,
+    artifacts as exchangeArtifacts,
     ERC20Wrapper,
-    ERC721ProxyContract,
     ExchangeContract,
     ExchangeFillEventArgs,
     ExchangeWrapper,
-} from '@0x/contracts-protocol';
+} from '@0x/contracts-exchange';
 import {
     chaiSetup,
     constants,
@@ -102,13 +101,13 @@ describe('OrderMatcher', () => {
         await erc20Wrapper.setBalancesAndAllowancesAsync();
         // Deploy ERC721 proxy
         erc721Proxy = await ERC721ProxyContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.ERC721Proxy,
+            proxyArtifacts.ERC721Proxy,
             provider,
             txDefaults,
         );
         // Depoy exchange
         exchange = await ExchangeContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.Exchange,
+            exchangeArtifacts.Exchange,
             provider,
             txDefaults,
             assetDataUtils.encodeERC20AssetData(zrxToken.address),
@@ -197,7 +196,7 @@ describe('OrderMatcher', () => {
     describe('constructor', () => {
         it('should revert if assetProxy is unregistered', async () => {
             const exchangeInstance = await ExchangeContract.deployFrom0xArtifactAsync(
-                protocolArtifacts.Exchange,
+                exchangeArtifacts.Exchange,
                 provider,
                 txDefaults,
                 constants.NULL_BYTES,
@@ -451,7 +450,7 @@ describe('OrderMatcher', () => {
                 signedOrderLeft.signature,
                 signedOrderRight.signature,
             );
-            const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...protocolArtifacts });
+            const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...exchangeArtifacts });
             const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
                 await web3Wrapper.sendTransactionAsync({
                     data,
@@ -489,7 +488,7 @@ describe('OrderMatcher', () => {
                 signedOrderLeft.signature,
                 signedOrderRight.signature,
             );
-            const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...protocolArtifacts });
+            const logDecoder = new LogDecoder(web3Wrapper, { ...artifacts, ...tokenArtifacts, ...exchangeArtifacts });
             const txReceipt = await logDecoder.getTxWithDecodedLogsAsync(
                 await web3Wrapper.sendTransactionAsync({
                     data,
diff --git a/contracts/extensions/test/extensions/order_validator.ts b/contracts/extensions/test/extensions/order_validator.ts
index 7d8675f36e..7871867c7c 100644
--- a/contracts/extensions/test/extensions/order_validator.ts
+++ b/contracts/extensions/test/extensions/order_validator.ts
@@ -1,12 +1,11 @@
+import { ERC20ProxyContract, ERC721ProxyContract } from '@0x/contracts-asset-proxy';
 import {
-    artifacts as protocolArtifacts,
-    ERC20ProxyContract,
+    artifacts as exchangeArtifacts,
     ERC20Wrapper,
-    ERC721ProxyContract,
     ERC721Wrapper,
     ExchangeContract,
     ExchangeWrapper,
-} from '@0x/contracts-protocol';
+} from '@0x/contracts-exchange';
 import {
     chaiSetup,
     constants,
@@ -81,7 +80,7 @@ describe('OrderValidator', () => {
 
         const zrxAssetData = assetDataUtils.encodeERC20AssetData(zrxToken.address);
         exchange = await ExchangeContract.deployFrom0xArtifactAsync(
-            protocolArtifacts.Exchange,
+            exchangeArtifacts.Exchange,
             provider,
             txDefaults,
             zrxAssetData,
diff --git a/contracts/extensions/test/utils/balance_threshold_wrapper.ts b/contracts/extensions/test/utils/balance_threshold_wrapper.ts
index 28a4ef0118..db2b23d42c 100644
--- a/contracts/extensions/test/utils/balance_threshold_wrapper.ts
+++ b/contracts/extensions/test/utils/balance_threshold_wrapper.ts
@@ -1,4 +1,4 @@
-import { artifacts as protocolArtifacts, ExchangeContract } from '@0x/contracts-protocol';
+import { artifacts as exchangeArtifacts, ExchangeContract } from '@0x/contracts-exchange';
 import {
     FillResults,
     formatters,
@@ -36,7 +36,7 @@ export class BalanceThresholdWrapper {
         this._logDecoder = new LogDecoder(this._web3Wrapper, {
             ...artifacts,
             ...tokensArtifacts,
-            ...protocolArtifacts,
+            ...exchangeArtifacts,
         });
     }
     public async fillOrderAsync(
diff --git a/contracts/extensions/test/utils/dutch_auction_test_wrapper.ts b/contracts/extensions/test/utils/dutch_auction_test_wrapper.ts
index c1e2f20701..985af336d7 100644
--- a/contracts/extensions/test/utils/dutch_auction_test_wrapper.ts
+++ b/contracts/extensions/test/utils/dutch_auction_test_wrapper.ts
@@ -1,4 +1,4 @@
-import { artifacts as protocolArtifacts } from '@0x/contracts-protocol';
+import { artifacts as exchangeArtifacts } from '@0x/contracts-exchange';
 import { LogDecoder } from '@0x/contracts-test-utils';
 import { artifacts as tokensArtifacts } from '@0x/contracts-tokens';
 import { DutchAuctionDetails, SignedOrder } from '@0x/types';
@@ -20,7 +20,7 @@ export class DutchAuctionTestWrapper {
         this._logDecoder = new LogDecoder(this._web3Wrapper, {
             ...artifacts,
             ...tokensArtifacts,
-            ...protocolArtifacts,
+            ...exchangeArtifacts,
         });
     }
     /**
diff --git a/contracts/extensions/test/utils/forwarder_wrapper.ts b/contracts/extensions/test/utils/forwarder_wrapper.ts
index 4a43be04aa..5b89638a0a 100644
--- a/contracts/extensions/test/utils/forwarder_wrapper.ts
+++ b/contracts/extensions/test/utils/forwarder_wrapper.ts
@@ -1,4 +1,4 @@
-import { artifacts as protocolArtifacts } from '@0x/contracts-protocol';
+import { artifacts as exchangeArtifacts } from '@0x/contracts-exchange';
 import { constants, formatters, LogDecoder, MarketSellOrders } from '@0x/contracts-test-utils';
 import { artifacts as tokensArtifacts } from '@0x/contracts-tokens';
 import { SignedOrder } from '@0x/types';
@@ -63,7 +63,7 @@ export class ForwarderWrapper {
         this._logDecoder = new LogDecoder(this._web3Wrapper, {
             ...artifacts,
             ...tokensArtifacts,
-            ...protocolArtifacts,
+            ...exchangeArtifacts,
         });
     }
     public async marketSellOrdersWithEthAsync(
diff --git a/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol b/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
index 2021739985..bddd40047b 100644
--- a/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
+++ b/contracts/interfaces/contracts/protocol/AssetProxy/IAuthorizable.sol
@@ -18,7 +18,7 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/Ownable/IOwnable.sol";
+import "@0x/contracts-utils/contracts/utils/interfaces/IOwnable.sol";
 
 
 contract IAuthorizable is
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol b/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
index ab4a624082..343ea67f09 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IExchangeCore.sol
@@ -19,8 +19,8 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
 
 
 contract IExchangeCore {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol b/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
index 5df46ea802..656547b568 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IMatchOrders.sol
@@ -18,8 +18,8 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
 
 
 contract IMatchOrders {
diff --git a/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol b/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
index 0eeaa874bd..858c9eaba8 100644
--- a/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
+++ b/contracts/interfaces/contracts/protocol/Exchange/IWrapperFunctions.sol
@@ -19,8 +19,8 @@
 pragma solidity ^0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
-import "@0x/contracts-libs/contracts/libs/LibFillResults.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibFillResults.sol";
 
 
 contract IWrapperFunctions {
diff --git a/contracts/interfaces/package.json b/contracts/interfaces/package.json
index c67c25df39..d1d55a59f8 100644
--- a/contracts/interfaces/package.json
+++ b/contracts/interfaces/package.json
@@ -42,7 +42,7 @@
     },
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-libs": "^1.0.6",
+        "@0x/contracts-exchange-libs": "^1.0.6",
         "@0x/contracts-utils": "^1.0.6",
         "@0x/types": "^1.5.2",
         "@0x/typescript-typings": "^3.0.8",
diff --git a/contracts/tokens/contracts/test/DummyERC20Token/DummyERC20Token.sol b/contracts/tokens/contracts/test/DummyERC20Token/DummyERC20Token.sol
index 33028db0c1..bc8eee367f 100644
--- a/contracts/tokens/contracts/test/DummyERC20Token/DummyERC20Token.sol
+++ b/contracts/tokens/contracts/test/DummyERC20Token/DummyERC20Token.sol
@@ -18,7 +18,7 @@
 
 pragma solidity 0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 import "../../tokens/ERC20Token/MintableERC20Token.sol";
 
 
diff --git a/contracts/tokens/contracts/test/DummyERC721Token/DummyERC721Token.sol b/contracts/tokens/contracts/test/DummyERC721Token/DummyERC721Token.sol
index 4c978b2df7..82bd583c51 100644
--- a/contracts/tokens/contracts/test/DummyERC721Token/DummyERC721Token.sol
+++ b/contracts/tokens/contracts/test/DummyERC721Token/DummyERC721Token.sol
@@ -19,7 +19,7 @@
 pragma solidity 0.4.24;
 
 import "../../tokens/ERC721Token/MintableERC721Token.sol";
-import "@0x/contracts-utils/contracts/utils/Ownable/Ownable.sol";
+import "@0x/contracts-utils/contracts/utils/Ownable.sol";
 
 
 // solhint-disable no-empty-blocks
diff --git a/contracts/tokens/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol b/contracts/tokens/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol
index d8c65929dc..f6ccda900d 100644
--- a/contracts/tokens/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol
+++ b/contracts/tokens/contracts/test/ReentrantERC20Token/ReentrantERC20Token.sol
@@ -19,10 +19,10 @@
 pragma solidity 0.4.24;
 pragma experimental ABIEncoderV2;
 
-import "@0x/contracts-utils/contracts/utils/LibBytes/LibBytes.sol";
+import "@0x/contracts-utils/contracts/utils/LibBytes.sol";
 import "../../tokens/ERC20Token/ERC20Token.sol";
 import "@0x/contracts-interfaces/contracts/protocol/Exchange/IExchange.sol";
-import "@0x/contracts-libs/contracts/libs/LibOrder.sol";
+import "@0x/contracts-exchange-libs/contracts/exchange-libs/LibOrder.sol";
 
 
 // solhint-disable no-unused-vars
diff --git a/contracts/tokens/contracts/tokens/ERC20Token/MintableERC20Token.sol b/contracts/tokens/contracts/tokens/ERC20Token/MintableERC20Token.sol
index a66031f035..6592a24a00 100644
--- a/contracts/tokens/contracts/tokens/ERC20Token/MintableERC20Token.sol
+++ b/contracts/tokens/contracts/tokens/ERC20Token/MintableERC20Token.sol
@@ -18,7 +18,7 @@
 
 pragma solidity ^0.4.24;
 
-import "@0x/contracts-utils/contracts/utils/SafeMath/SafeMath.sol";
+import "@0x/contracts-utils/contracts/utils/SafeMath.sol";
 import "./UnlimitedAllowanceERC20Token.sol";
 
 
diff --git a/contracts/tokens/contracts/tokens/ERC721Token/ERC721Token.sol b/contracts/tokens/contracts/tokens/ERC721Token/ERC721Token.sol
index c46bd0af4b..f8d4a6a411 100644
--- a/contracts/tokens/contracts/tokens/ERC721Token/ERC721Token.sol
+++ b/contracts/tokens/contracts/tokens/ERC721Token/ERC721Token.sol
@@ -20,7 +20,7 @@ pragma solidity ^0.4.24;
 
 import "./IERC721Token.sol";
 import "./IERC721Receiver.sol";
-import "@0x/contracts-utils/contracts/utils/SafeMath/SafeMath.sol";
+import "@0x/contracts-utils/contracts/utils/SafeMath.sol";
 
 
 contract ERC721Token is
diff --git a/contracts/tokens/package.json b/contracts/tokens/package.json
index bd03169191..caa6c34d30 100644
--- a/contracts/tokens/package.json
+++ b/contracts/tokens/package.json
@@ -71,8 +71,7 @@
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
         "@0x/contracts-interfaces": "^1.0.6",
-        "@0x/contracts-libs": "^1.0.6",
-        "@0x/contracts-multisig": "^1.0.6",
+        "@0x/contracts-exchange-libs": "^1.0.6",
         "@0x/contracts-utils": "^1.0.6",
         "@0x/order-utils": "^3.1.2",
         "@0x/types": "^1.5.2",
diff --git a/contracts/utils/package.json b/contracts/utils/package.json
index 4e45169fd3..6e8dfe871b 100644
--- a/contracts/utils/package.json
+++ b/contracts/utils/package.json
@@ -71,7 +71,6 @@
     },
     "dependencies": {
         "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-multisig": "^1.0.6",
         "@0x/order-utils": "^3.1.2",
         "@0x/types": "^1.5.2",
         "@0x/typescript-typings": "^3.0.8",