Publish

- 0x.js@6.0.5 - @0x/abi-gen@2.0.8 - @0x/abi-gen-wrappers@4.1.0 - @0x/assert@2.0.8 - @0x/asset-buyer@6.0.5 - @0x/base-contract@5.0.4 - @0x/connect@5.0.4 - @0x/contract-addresses@2.3.0 - @0x/contract-artifacts@1.4.0 - @0x/contract-wrappers@8.0.5 - @0x/contracts-gen@1.0.7 - @0x/dev-tools-pages@0.0.24 - @0x/dev-utils@2.2.0 - @0x/fill-scenarios@3.0.4 - @0x/instant@1.0.19 - @0x/json-schemas@3.0.8 - @0x/metacoin@0.0.46 - @0x/migrations@4.1.0 - @0x/monorepo-scripts@1.0.29 - @0x/order-utils@7.1.1 - @0x/order-watcher@4.0.5 - @0x/pipeline@1.0.16 - @0x/react-docs@2.0.9 - @0x/react-shared@2.0.9 - @0x/sol-compiler@3.1.5 - @0x/sol-coverage@3.0.2 - @0x/sol-doc@2.0.9 - @0x/sol-profiler@3.1.4 - @0x/sol-resolver@2.0.6 - @0x/sol-trace@2.0.10 - @0x/sol-tracing-utils@6.0.9 - @0x/sra-spec@2.0.8 - @0x/subproviders@4.0.4 - @0x/testnet-faucets@1.0.75 - @0x/types@2.2.1 - @0x/typescript-typings@4.2.1 - @0x/utils@4.3.0 - @0x/web3-wrapper@6.0.4 - @0x/website@0.0.78 - @0x/contracts-asset-proxy@2.1.0 - @0x/contracts-coordinator@1.1.0 - @0x/contracts-erc1155@1.1.0 - @0x/contracts-erc20@2.1.0 - @0x/contracts-erc721@2.1.0 - @0x/contracts-exchange@2.1.0 - @0x/contracts-exchange-forwarder@2.1.0 - @0x/contracts-exchange-libs@2.1.0 - @0x/contracts-extensions@3.1.0 - @0x/contracts-multisig@3.1.0 - @0x/contracts-test-utils@3.1.1 - @0x/contracts-utils@3.1.0
Updated CHANGELOGS
2019-03-21 17:07:20 +01:00 · 2019-03-21 17:07:04 +01:00 · 2019-03-21 16:04:19 +01:00 · 2019-03-21 15:33:47 +01:00 · 2019-03-21 15:13:39 +01:00 · 2019-03-21 15:04:52 +01:00
203 changed files with 3237 additions and 1635 deletions
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/asset-proxy/CHANGELOG.md
+++ b/contracts/asset-proxy/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Do not reexport external dependencies (#1682)
--- a/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol
+++ b/contracts/asset-proxy/contracts/src/ERC1155Proxy.sol
@@ -26,7 +26,7 @@ contract ERC1155Proxy is
 {

    // Id of this proxy.
-    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC1155Token(address,uint256[],uint256[],bytes)"));
+    bytes4 constant internal PROXY_ID = bytes4(keccak256("ERC1155Assets(address,uint256[],uint256[],bytes)"));

    function () 
        external
--- a/contracts/asset-proxy/package.json
+++ b/contracts/asset-proxy/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-asset-proxy",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/protocol/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,16 +67,16 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-erc1155": "^1.0.1",
-        "@0x/contracts-erc20": "^2.0.0",
-        "@0x/contracts-erc721": "^2.0.0",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-erc1155": "^1.1.0",
+        "@0x/contracts-erc20": "^2.1.0",
+        "@0x/contracts-erc721": "^2.1.0",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/asset-proxy/test/erc1155_proxy.ts
+++ b/contracts/asset-proxy/test/erc1155_proxy.ts
@@ -15,7 +15,7 @@ import {
    web3Wrapper,
 } from '@0x/contracts-test-utils';
 import { BlockchainLifecycle } from '@0x/dev-utils';
-import { RevertReason } from '@0x/types';
+import { AssetProxyId, RevertReason } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import * as chai from 'chai';
 import { LogWithDecodedArgs } from 'ethereum-types';
@@ -123,8 +123,7 @@ describe('ERC1155Proxy', () => {
        });
        it('should have an id of 0x9645780d', async () => {
            const proxyId = await erc1155Proxy.getProxyId.callAsync();
-            // proxy computed using -- bytes4(keccak256("erc1155Token(address,uint256[],uint256[],bytes)"));
-            const expectedProxyId = '0x9645780d';
+            const expectedProxyId = AssetProxyId.ERC1155;
            expect(proxyId).to.equal(expectedProxyId);
        });
    });
--- a/contracts/asset-proxy/test/global_hooks.ts
+++ b/contracts/asset-proxy/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/coordinator/CHANGELOG.json
+++ b/contracts/coordinator/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "1.0.0",
        "changes": [
--- a/contracts/coordinator/CHANGELOG.md
+++ b/contracts/coordinator/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v1.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v1.0.0 - _March 20, 2019_

    * Created Coordinator package
--- a/contracts/coordinator/package.json
+++ b/contracts/coordinator/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-coordinator",
-    "version": "1.0.0",
+    "version": "1.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,17 +67,17 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-asset-proxy": "^2.0.0",
-        "@0x/contracts-erc20": "^2.0.0",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-asset-proxy": "^2.1.0",
+        "@0x/contracts-erc20": "^2.1.0",
        "@0x/contracts-exchange": "1.0.2",
-        "@0x/contracts-exchange-libs": "^2.0.0",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/contracts-exchange-libs": "^2.1.0",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "ethereumjs-util": "^5.1.1",
        "lodash": "^4.17.11"
--- a/contracts/coordinator/test/global_hooks.ts
+++ b/contracts/coordinator/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/coordinator/test/utils/hash_utils.ts
+++ b/contracts/coordinator/test/utils/hash_utils.ts
@@ -1,5 +1,4 @@
-import { eip712Utils, transactionHashUtils } from '@0x/order-utils';
-import { constants } from '@0x/order-utils/lib/src/constants';
+import { eip712Utils } from '@0x/order-utils';
 import { SignedZeroExTransaction } from '@0x/types';
 import { BigNumber, signTypedDataUtils } from '@0x/utils';
 import * as _ from 'lodash';
@@ -11,25 +10,11 @@ export const hashUtils = {
        txOrigin: string,
        approvalExpirationTimeSeconds: BigNumber,
    ): Buffer {
-        const domain = {
-            name: constants.COORDINATOR_DOMAIN_NAME,
-            version: constants.COORDINATOR_DOMAIN_VERSION,
+        const typedData = eip712Utils.createCoordinatorApprovalTypedData(
+            transaction,
            verifyingContractAddress,
-        };
-        const transactionHash = transactionHashUtils.getTransactionHashHex(transaction);
-        const approval = {
            txOrigin,
-            transactionHash,
-            transactionSignature: transaction.signature,
-            approvalExpirationTimeSeconds: approvalExpirationTimeSeconds.toString(),
-        };
-        const typedData = eip712Utils.createTypedData(
-            constants.COORDINATOR_APPROVAL_SCHEMA.name,
-            {
-                CoordinatorApproval: constants.COORDINATOR_APPROVAL_SCHEMA.parameters,
-            },
-            approval,
-            domain,
+            approvalExpirationTimeSeconds,
        );
        const hashBuffer = signTypedDataUtils.generateTypedDataHash(typedData);
        return hashBuffer;
--- a/contracts/erc1155/CHANGELOG.json
+++ b/contracts/erc1155/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "timestamp": 1553091633,
        "version": "1.0.1",
--- a/contracts/erc1155/CHANGELOG.md
+++ b/contracts/erc1155/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v1.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v1.0.1 - _March 20, 2019_

    * Dependencies updated
--- a/contracts/erc1155/package.json
+++ b/contracts/erc1155/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-erc1155",
-    "version": "1.0.1",
+    "version": "1.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,10 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,12 +66,13 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/erc1155/test/global_hooks.ts
+++ b/contracts/erc1155/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/erc20/CHANGELOG.json
+++ b/contracts/erc20/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/erc20/CHANGELOG.md
+++ b/contracts/erc20/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Upgrade contracts to Solidity 0.5.5 (#1682)
--- a/contracts/erc20/package.json
+++ b/contracts/erc20/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-erc20",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,13 +67,13 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-exchange-libs": "^2.0.0",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-exchange-libs": "^2.1.0",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/erc20/test/global_hooks.ts
+++ b/contracts/erc20/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/erc721/CHANGELOG.json
+++ b/contracts/erc721/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/erc721/CHANGELOG.md
+++ b/contracts/erc721/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Upgrade contracts to Solidity 0.5.5 (#1682)
--- a/contracts/erc721/package.json
+++ b/contracts/erc721/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-erc721",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,12 +67,12 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/erc721/test/global_hooks.ts
+++ b/contracts/erc721/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/exchange-forwarder/CHANGELOG.json
+++ b/contracts/exchange-forwarder/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/exchange-forwarder/CHANGELOG.md
+++ b/contracts/exchange-forwarder/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Do not reexport external dependencies (#1682)
--- a/contracts/exchange-forwarder/package.json
+++ b/contracts/exchange-forwarder/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-exchange-forwarder",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,12 +46,12 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contract-wrappers": "^8.0.4",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contract-wrappers": "^8.0.5",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -68,18 +68,18 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-asset-proxy": "^2.0.0",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-asset-proxy": "^2.1.0",
        "@0x/contracts-erc20": "1.0.8",
        "@0x/contracts-erc721": "1.0.8",
        "@0x/contracts-exchange": "1.0.2",
        "@0x/contracts-exchange-libs": "1.0.2",
        "@0x/contracts-utils": "2.0.1",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/exchange-forwarder/test/global_hooks.ts
+++ b/contracts/exchange-forwarder/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/exchange-libs/CHANGELOG.json
+++ b/contracts/exchange-libs/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/exchange-libs/CHANGELOG.md
+++ b/contracts/exchange-libs/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Upgrade contracts to Solidity 0.5.5 (#1682)
--- a/contracts/exchange-libs/package.json
+++ b/contracts/exchange-libs/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-exchange-libs",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/libs/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,13 +67,13 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/exchange-libs/test/global_hooks.ts
+++ b/contracts/exchange-libs/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "2.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "2.0.0",
        "changes": [
--- a/contracts/exchange/CHANGELOG.md
+++ b/contracts/exchange/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v2.0.0 - _March 20, 2019_

    * Do not reexport external dependencies (#1682)
--- a/contracts/exchange/package.json
+++ b/contracts/exchange/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-exchange",
-    "version": "2.0.0",
+    "version": "2.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/protocol/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,18 +67,18 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-asset-proxy": "^2.0.0",
-        "@0x/contracts-erc1155": "^1.0.1",
-        "@0x/contracts-erc20": "^2.0.0",
-        "@0x/contracts-erc721": "^2.0.0",
-        "@0x/contracts-exchange-libs": "^2.0.0",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-asset-proxy": "^2.1.0",
+        "@0x/contracts-erc1155": "^1.1.0",
+        "@0x/contracts-erc20": "^2.1.0",
+        "@0x/contracts-erc721": "^2.1.0",
+        "@0x/contracts-exchange-libs": "^2.1.0",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "ethereumjs-util": "^5.1.1",
        "lodash": "^4.17.11"
--- a/contracts/exchange/test/global_hooks.ts
+++ b/contracts/exchange/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "3.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "3.0.0",
        "changes": [
--- a/contracts/extensions/CHANGELOG.md
+++ b/contracts/extensions/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v3.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v3.0.0 - _March 20, 2019_

    * Do not reexport external dependencies (#1682)
--- a/contracts/extensions/package.json
+++ b/contracts/extensions/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-extensions",
-    "version": "3.0.0",
+    "version": "3.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,12 +46,12 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contract-wrappers": "^8.0.4",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contract-wrappers": "^8.0.5",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -68,18 +68,18 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-asset-proxy": "^2.0.0",
-        "@0x/contracts-erc20": "^2.0.0",
-        "@0x/contracts-erc721": "^2.0.0",
-        "@0x/contracts-exchange": "^2.0.0",
-        "@0x/contracts-exchange-libs": "^2.0.0",
-        "@0x/contracts-utils": "^3.0.0",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-asset-proxy": "^2.1.0",
+        "@0x/contracts-erc20": "^2.1.0",
+        "@0x/contracts-erc721": "^2.1.0",
+        "@0x/contracts-exchange": "^2.1.0",
+        "@0x/contracts-exchange-libs": "^2.1.0",
+        "@0x/contracts-utils": "^3.1.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/extensions/test/global_hooks.ts
+++ b/contracts/extensions/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/multisig/CHANGELOG.json
+++ b/contracts/multisig/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "3.1.0",
+        "changes": [
+            {
+                "note": "Run Web3ProviderEngine without excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "3.0.0",
        "changes": [
--- a/contracts/multisig/CHANGELOG.md
+++ b/contracts/multisig/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v3.1.0 - _March 21, 2019_
+
+    * Run Web3ProviderEngine without excess block polling (#1695)
+
 ## v3.0.0 - _March 20, 2019_

    * Do not reexport external dependencies (#1682)
--- a/contracts/multisig/package.json
+++ b/contracts/multisig/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-multisig",
-    "version": "3.0.0",
+    "version": "3.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/multisig/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/node": "*",
@@ -67,14 +67,14 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contracts-asset-proxy": "^2.0.0",
-        "@0x/contracts-erc20": "^2.0.0",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contracts-asset-proxy": "^2.1.0",
+        "@0x/contracts-erc20": "^2.1.0",
        "@0x/contracts-utils": "2.0.1",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/contracts/multisig/test/global_hooks.ts
+++ b/contracts/multisig/test/global_hooks.ts
@@ -1,9 +1,9 @@
-import { env, EnvVars } from '@0x/dev-utils';
-
 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { env, EnvVars } from '@0x/dev-utils';
+import { providerUtils } from '@0x/utils';

-before('start web3 provider engine', () => {
-    provider.start();
+before('start web3 provider', () => {
+    providerUtils.startProviderEngine(provider);
 });

 after('generate coverage report', async () => {
--- a/contracts/tec/generated-artifacts/TEC.json
+++ b/contracts/tec/generated-artifacts/TEC.json
--- a/contracts/tec/generated-artifacts/TestLibs.json
+++ b/contracts/tec/generated-artifacts/TestLibs.json
--- a/contracts/tec/generated-artifacts/TestMixins.json
+++ b/contracts/tec/generated-artifacts/TestMixins.json
--- a/contracts/tec/generated-wrappers/test_mixins.ts
+++ b/contracts/tec/generated-wrappers/test_mixins.ts
@@ -1,192 +0,0 @@
-// tslint:disable:no-consecutive-blank-lines ordered-imports align trailing-comma whitespace class-name
-// tslint:disable:no-unused-variable
-// tslint:disable:no-unbound-method
-import { BaseContract } from '@0x/base-contract';
-import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, TxData, TxDataPayable, SupportedProvider } from 'ethereum-types';
-import { BigNumber, classUtils, logUtils, providerUtils } from '@0x/utils';
-import { SimpleContractArtifact } from '@0x/types';
-import { Web3Wrapper } from '@0x/web3-wrapper';
-import * as ethers from 'ethers';
-import * as _ from 'lodash';
-// tslint:enable:no-unused-variable
-
-
-/* istanbul ignore next */
-// tslint:disable:no-parameter-reassignment
-// tslint:disable-next-line:class-name
-export class TestMixinsContract extends BaseContract {
-    public getSignerAddress = {
-        async callAsync(
-            hash: string,
-            signature: string,
-            callData: Partial<CallData> = {},
-            defaultBlock?: BlockParam,
-        ): Promise<string
-        > {
-            const self = this as any as TestMixinsContract;
-            const encodedData = self._strictEncodeArguments('getSignerAddress(bytes32,bytes)', [hash,
-        signature
-        ]);
-            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...callData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('getSignerAddress(bytes32,bytes)');
-            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<string
-        >(rawCallResult);
-            // tslint:enable boolean-naming
-            return result;
-        },
-    };
-    public assertValidTransactionOrdersApproval = {
-        async callAsync(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            orders: Array<{makerAddress: string;takerAddress: string;feeRecipientAddress: string;senderAddress: string;makerAssetAmount: BigNumber;takerAssetAmount: BigNumber;makerFee: BigNumber;takerFee: BigNumber;expirationTimeSeconds: BigNumber;salt: BigNumber;makerAssetData: string;takerAssetData: string}>,
-            transactionSignature: string,
-            approvalExpirationTimeSeconds: BigNumber[],
-            approvalSignatures: string[],
-            callData: Partial<CallData> = {},
-            defaultBlock?: BlockParam,
-        ): Promise<void
-        > {
-            const self = this as any as TestMixinsContract;
-            const encodedData = self._strictEncodeArguments('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],bytes,uint256[],bytes[])', [transaction,
-        orders,
-        transactionSignature,
-        approvalExpirationTimeSeconds,
-        approvalSignatures
-        ]);
-            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...callData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],bytes,uint256[],bytes[])');
-            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<void
-        >(rawCallResult);
-            // tslint:enable boolean-naming
-            return result;
-        },
-    };
-    public assertValidTECApprovals = {
-        async callAsync(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            transactionSignature: string,
-            approvalExpirationTimeSeconds: BigNumber[],
-            approvalSignatures: string[],
-            callData: Partial<CallData> = {},
-            defaultBlock?: BlockParam,
-        ): Promise<void
-        > {
-            const self = this as any as TestMixinsContract;
-            const encodedData = self._strictEncodeArguments('assertValidTECApprovals((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
-        transactionSignature,
-        approvalExpirationTimeSeconds,
-        approvalSignatures
-        ]);
-            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...callData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('assertValidTECApprovals((uint256,address,bytes),bytes,uint256[],bytes[])');
-            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<void
-        >(rawCallResult);
-            // tslint:enable boolean-naming
-            return result;
-        },
-    };
-    public EIP712_DOMAIN_HASH = {
-        async callAsync(
-            callData: Partial<CallData> = {},
-            defaultBlock?: BlockParam,
-        ): Promise<string
-        > {
-            const self = this as any as TestMixinsContract;
-            const encodedData = self._strictEncodeArguments('EIP712_DOMAIN_HASH()', []);
-            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...callData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('EIP712_DOMAIN_HASH()');
-            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<string
-        >(rawCallResult);
-            // tslint:enable boolean-naming
-            return result;
-        },
-    };
-    public static async deployFrom0xArtifactAsync(
-        artifact: ContractArtifact | SimpleContractArtifact,
-        supportedProvider: SupportedProvider,
-        txDefaults: Partial<TxData>,
-    ): Promise<TestMixinsContract> {
-        if (_.isUndefined(artifact.compilerOutput)) {
-            throw new Error('Compiler output not found in the artifact file');
-        }
-        const provider = providerUtils.standardizeOrThrow(supportedProvider);
-        const bytecode = artifact.compilerOutput.evm.bytecode.object;
-        const abi = artifact.compilerOutput.abi;
-        return TestMixinsContract.deployAsync(bytecode, abi, provider, txDefaults, );
-    }
-    public static async deployAsync(
-        bytecode: string,
-        abi: ContractAbi,
-        supportedProvider: SupportedProvider,
-        txDefaults: Partial<TxData>,
-    ): Promise<TestMixinsContract> {
-        const provider = providerUtils.standardizeOrThrow(supportedProvider);
-        const constructorAbi = BaseContract._lookupConstructorAbi(abi);
-        [] = BaseContract._formatABIDataItemList(
-            constructorAbi.inputs,
-            [],
-            BaseContract._bigNumberToString,
-        );
-        const iface = new ethers.utils.Interface(abi);
-        const deployInfo = iface.deployFunction;
-        const txData = deployInfo.encode(bytecode, []);
-        const web3Wrapper = new Web3Wrapper(provider);
-        const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-            {data: txData},
-            txDefaults,
-            web3Wrapper.estimateGasAsync.bind(web3Wrapper),
-        );
-        const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
-        logUtils.log(`transactionHash: ${txHash}`);
-        const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
-        logUtils.log(`TestMixins successfully deployed at ${txReceipt.contractAddress}`);
-        const contractInstance = new TestMixinsContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
-        contractInstance.constructorArgs = [];
-        return contractInstance;
-    }
-    constructor(abi: ContractAbi, address: string, supportedProvider: SupportedProvider, txDefaults?: Partial<TxData>) {
-        super('TestMixins', abi, address, supportedProvider, txDefaults);
-        classUtils.bindAll(this, ['_abiEncoderByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
-    }
-} // tslint:disable:max-file-line-count
-// tslint:enable:no-unbound-method
--- a/contracts/test-utils/CHANGELOG.json
+++ b/contracts/test-utils/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "3.1.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "version": "3.1.0",
        "changes": [
--- a/contracts/test-utils/CHANGELOG.md
+++ b/contracts/test-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v3.1.1 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v3.1.0 - _March 20, 2019_

    * Added ERC1155Proxy test constants and interfaces (#1661)
--- a/contracts/test-utils/package.json
+++ b/contracts/test-utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-test-utils",
-    "version": "3.1.0",
+    "version": "3.1.1",
    "engines": {
        "node": ">=6.12"
    },
@@ -40,19 +40,19 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/sol-compiler": "^3.1.4",
-        "@0x/sol-coverage": "^3.0.1",
-        "@0x/sol-profiler": "^3.1.3",
-        "@0x/sol-trace": "^2.0.9",
-        "@0x/subproviders": "^4.0.3",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/sol-compiler": "^3.1.5",
+        "@0x/sol-coverage": "^3.0.2",
+        "@0x/sol-profiler": "^3.1.4",
+        "@0x/sol-trace": "^2.0.10",
+        "@0x/subproviders": "^4.0.4",
        "@0x/tslint-config": "^3.0.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "@types/bn.js": "^4.11.0",
        "@types/js-combinatorics": "^0.5.29",
        "@types/lodash": "4.14.104",
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "3.1.0",
+        "changes": [
+            {
+                "note": "Added `startProviderEngine` to `providerUtils`. Preventing excess block polling",
+                "pr": 1695
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "3.0.0",
        "changes": [
@@ -13,6 +23,14 @@
            {
                "note": "Added Address.sol with test for whether or not an address is a contract",
                "pr": 1657
+            },
+            {
+                "note": "Add unit tests for `LibAddressArray`",
+                "pr": 1712
+            },
+            {
+                "note": "Fix `LibAddressArray.indexOf` returning incorrect index.",
+                "pr": 1712
            }
        ],
        "timestamp": 1553091633
--- a/contracts/utils/CHANGELOG.md
+++ b/contracts/utils/CHANGELOG.md
@@ -5,11 +5,17 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v3.1.0 - _March 21, 2019_
+
+    * Added `startProviderEngine` to `providerUtils`. Preventing excess block polling (#1695)
+
 ## v3.0.0 - _March 20, 2019_

    * Optimize loops in LibAddressArray (#1668)
    * Upgrade contracts to Solidity 0.5.5 (#1682)
    * Added Address.sol with test for whether or not an address is a contract (#1657)
+    * Add unit tests for `LibAddressArray` (#1712)
+    * Fix `LibAddressArray.indexOf` returning incorrect index. (#1712)

 ## v2.0.8 - _March 1, 2019_

--- a/contracts/utils/compiler.json
+++ b/contracts/utils/compiler.json
@@ -30,6 +30,7 @@
        "src/SafeMath.sol",
        "src/interfaces/IOwnable.sol",
        "test/TestConstants.sol",
+        "test/TestLibAddressArray.sol",
        "test/TestLibBytes.sol"
    ]
 }
--- a/contracts/utils/contracts/src/LibAddressArray.sol
+++ b/contracts/utils/contracts/src/LibAddressArray.sol
@@ -30,7 +30,7 @@ library LibAddressArray {
    /// @param addressArray Array of addresses.
    /// @param addressToAppend  Address to append.
    /// @return Array of addresses: [... addressArray, addressToAppend]
-    function append(address[] memory addressArray, address addressToAppend) 
+    function append(address[] memory addressArray, address addressToAppend)
        internal
        pure
        returns (address[] memory)
@@ -148,7 +148,7 @@ library LibAddressArray {
                if eq(target, arrayElement) {
                    // Set success and index
                    success := 1
-                    index := div(i, 32)
+                    index := div(sub(i, arrayContentsStart), 32)
                    // Break loop
                    i := arrayContentsEnd
                }
--- a/contracts/utils/contracts/test/TestLibAddressArray.sol
+++ b/contracts/utils/contracts/test/TestLibAddressArray.sol
@@ -0,0 +1,106 @@
+/*
+
+  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 ^0.5.5;
+
+import "../src/LibAddressArray.sol";
+
+
+contract TestLibAddressArray {
+
+    using LibAddressArray for address[];
+
+    /// @dev Append a new address to an array of addresses.
+    ///      The `addressArray` may need to be reallocated to make space
+    ///      for the new address. Because of this we return the resulting
+    ///      memory location of `addressArray`.
+    /// @param addressArray Array of addresses.
+    /// @param addressToAppend  Address to append.
+    /// @return Array of addresses: [... addressArray, addressToAppend]
+    function publicAppend(address[] memory addressArray, address addressToAppend)
+        public
+        pure
+        returns (address[] memory)
+    {
+        return addressArray.append(addressToAppend);
+    }
+
+    /// @dev Moves the free memory pointer by `freeMemOffset` bytes,
+    ///      then performs the append.
+    ///      This tests the behavior of the address array being reallocated if
+    ///      the memory immediately after the old array is claimed.
+    /// @param addressArray Array of addresses.
+    /// @param freeMemOffset Number of (signed) bytes to offset the free memory pointer (0x40).
+    /// @param addressToAppend Address to append.
+    /// @return The new address array.
+    /// @return The memory address of the old address array.
+    /// @return The memory address of the new address array.
+    function testAppendRealloc(
+        address[] memory addressArray,
+        int256 freeMemOffset,
+        address addressToAppend
+    )
+        public
+        pure
+        returns (
+            address[] memory result,
+            uint256 oldArrayMemStart,
+            uint256 newArrayMemStart
+        )
+    {
+        assembly {
+            // Remember the original memory address of the array.
+            oldArrayMemStart := addressArray
+            // Move the free memory pointer.
+            mstore(0x40, add(mload(0x40), freeMemOffset))
+        }
+
+        // Call append.
+        result = addressArray.append(addressToAppend);
+
+        // Get the new array memory address.
+        assembly {
+            newArrayMemStart := result
+        }
+    }
+
+    /// @dev Checks if an address array contains the target address.
+    /// @param addressArray Array of addresses.
+    /// @param target Address to search for in array.
+    /// @return True if the addressArray contains the target.
+    function publicContains(address[] memory addressArray, address target)
+        public
+        pure
+        returns (bool success)
+    {
+        return addressArray.contains(target);
+    }
+
+    /// @dev Finds the index of an address within an array.
+    /// @param addressArray Array of addresses.
+    /// @param target Address to search for in array.
+    /// @return Existence and index of the target in the array.
+    function publicIndexOf(address[] memory addressArray, address target)
+        public
+        pure
+        returns (bool success, uint256 index)
+    {
+        (success, index) = addressArray.indexOf(target);
+    }
+
+}
--- a/contracts/utils/package.json
+++ b/contracts/utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contracts-utils",
-    "version": "3.0.0",
+    "version": "3.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -33,7 +33,7 @@
        "lint-contracts": "solhint -c ../.solhint.json contracts/**/**/**/**/*.sol"
    },
    "config": {
-        "abis": "./generated-artifacts/@(IOwnable|LibBytes|Ownable|ReentrancyGuard|SafeMath|TestConstants|TestLibBytes).json",
+        "abis": "./generated-artifacts/@(Address|IOwnable|LibBytes|Ownable|ReentrancyGuard|SafeMath|TestConstants|TestLibAddressArray|TestLibBytes).json",
        "abis:comment": "This list is auto-generated by contracts-gen. Don't edit manually."
    },
    "repository": {
@@ -46,11 +46,11 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/contracts/utils/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
-        "@0x/contracts-gen": "^1.0.6",
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/sol-compiler": "^3.1.4",
+        "@0x/abi-gen": "^2.0.8",
+        "@0x/contracts-gen": "^1.0.7",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/sol-compiler": "^3.1.5",
        "@0x/tslint-config": "^3.0.0",
        "@types/bn.js": "^4.11.0",
        "@types/lodash": "4.14.104",
@@ -68,12 +68,12 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "bn.js": "^4.11.8",
        "ethereum-types": "^2.1.1",
        "ethereumjs-util": "^5.1.1",
--- a/contracts/utils/src/artifacts.ts
+++ b/contracts/utils/src/artifacts.ts
@@ -5,14 +5,17 @@
 */
 import { ContractArtifact } from 'ethereum-types';

+import * as Address from '../generated-artifacts/Address.json';
 import * as IOwnable from '../generated-artifacts/IOwnable.json';
 import * as LibBytes from '../generated-artifacts/LibBytes.json';
 import * as Ownable from '../generated-artifacts/Ownable.json';
 import * as ReentrancyGuard from '../generated-artifacts/ReentrancyGuard.json';
 import * as SafeMath from '../generated-artifacts/SafeMath.json';
 import * as TestConstants from '../generated-artifacts/TestConstants.json';
+import * as TestLibAddressArray from '../generated-artifacts/TestLibAddressArray.json';
 import * as TestLibBytes from '../generated-artifacts/TestLibBytes.json';
 export const artifacts = {
+    Address: Address as ContractArtifact,
    LibBytes: LibBytes as ContractArtifact,
    Ownable: Ownable as ContractArtifact,
    ReentrancyGuard: ReentrancyGuard as ContractArtifact,
@@ -20,4 +23,5 @@ export const artifacts = {
    IOwnable: IOwnable as ContractArtifact,
    TestConstants: TestConstants as ContractArtifact,
    TestLibBytes: TestLibBytes as ContractArtifact,
+    TestLibAddressArray: TestLibAddressArray as ContractArtifact,
 };
--- a/contracts/utils/src/wrappers.ts
+++ b/contracts/utils/src/wrappers.ts
@@ -3,10 +3,12 @@
 * Warning: This file is auto-generated by contracts-gen. Don't edit manually.
 * -----------------------------------------------------------------------------
 */
+export * from '../generated-wrappers/address';
 export * from '../generated-wrappers/i_ownable';
 export * from '../generated-wrappers/lib_bytes';
 export * from '../generated-wrappers/ownable';
 export * from '../generated-wrappers/reentrancy_guard';
 export * from '../generated-wrappers/safe_math';
 export * from '../generated-wrappers/test_constants';
+export * from '../generated-wrappers/test_lib_address_array';
 export * from '../generated-wrappers/test_lib_bytes';
--- a/contracts/utils/test/global_hooks.ts
+++ b/contracts/utils/test/global_hooks.ts
@@ -1,8 +1,10 @@
 import { env, EnvVars } from '@0x/dev-utils';

 import { coverage, profiler, provider } from '@0x/contracts-test-utils';
+import { providerUtils } from '@0x/utils';
+
 before('start web3 provider', () => {
-    provider.start();
+    providerUtils.startProviderEngine(provider);
 });
 after('generate coverage report', async () => {
    if (env.parseBoolean(EnvVars.SolidityCoverage)) {
--- a/contracts/utils/test/lib_address_array.ts
+++ b/contracts/utils/test/lib_address_array.ts
@@ -0,0 +1,161 @@
+import {
+    addressUtils,
+    chaiSetup,
+    expectContractCallFailedAsync,
+    provider,
+    txDefaults,
+    web3Wrapper,
+} from '@0x/contracts-test-utils';
+import { BlockchainLifecycle } from '@0x/dev-utils';
+import { RevertReason } from '@0x/types';
+import { BigNumber } from '@0x/utils';
+import * as chai from 'chai';
+import * as _ from 'lodash';
+
+import { artifacts, TestLibAddressArrayContract } from '../src';
+
+chaiSetup.configure();
+const expect = chai.expect;
+const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
+
+describe('LibAddressArray', () => {
+    let lib: TestLibAddressArrayContract;
+
+    before(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    after(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    before(async () => {
+        // Deploy LibAddressArray
+        lib = await TestLibAddressArrayContract.deployFrom0xArtifactAsync(
+            artifacts.TestLibAddressArray,
+            provider,
+            txDefaults,
+        );
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+
+    describe('append', () => {
+        it('should append to empty array', async () => {
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const result = await lib.publicAppend.callAsync([], addr);
+            const expected = [addr];
+            expect(result).to.deep.equal(expected);
+        });
+
+        it('should append to non-empty array', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const expected = [...arr, addr];
+            const result = await lib.publicAppend.callAsync(arr, addr);
+            expect(result).to.deep.equal(expected);
+        });
+
+        it('should revert if the free memory pointer was moved to before the end of the array', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const freeMemOffset = new BigNumber(-1);
+            return expectContractCallFailedAsync(
+                lib.testAppendRealloc.callAsync(arr, freeMemOffset, addr),
+                RevertReason.InvalidFreeMemoryPtr,
+            );
+        });
+
+        it('should keep the same memory address if free memory pointer does not move', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const freeMemOffset = new BigNumber(0);
+            const expected = [...arr, addr];
+            const [result, oldArrayMemStart, newArrayMemStart] = await lib.testAppendRealloc.callAsync(
+                arr,
+                freeMemOffset,
+                addr,
+            );
+            expect(result).to.deep.equal(expected);
+            expect(newArrayMemStart).bignumber.to.be.equal(oldArrayMemStart);
+        });
+
+        it('should change memory address if free memory pointer advances', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const freeMemOffset = new BigNumber(1);
+            const expectedArray = [...arr, addr];
+            const [result, oldArrayMemStart, newArrayMemStart] = await lib.testAppendRealloc.callAsync(
+                arr,
+                freeMemOffset,
+                addr,
+            );
+            // The new location should be the end of the old array + freeMemOffset.
+            const expectedNewArrayMemStart = oldArrayMemStart.plus((arr.length + 1) * 32).plus(freeMemOffset);
+            expect(result).to.deep.equal(expectedArray);
+            expect(newArrayMemStart).bignumber.to.be.equal(expectedNewArrayMemStart);
+        });
+    });
+
+    describe('contains', () => {
+        it('should return false on an empty array', async () => {
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const isFound = await lib.publicContains.callAsync([], addr);
+            expect(isFound).to.equal(false);
+        });
+
+        it('should return false on a missing item', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const isFound = await lib.publicContains.callAsync(arr, addr);
+            expect(isFound).to.equal(false);
+        });
+
+        it('should return true on an included item', async () => {
+            const arr = _.times(4, () => addressUtils.generatePseudoRandomAddress());
+            const addr = _.sample(arr) as string;
+            const isFound = await lib.publicContains.callAsync(arr, addr);
+            expect(isFound).to.equal(true);
+        });
+
+        it('should return true on the only item in the array', async () => {
+            const arr = _.times(1, () => addressUtils.generatePseudoRandomAddress());
+            const isFound = await lib.publicContains.callAsync(arr, arr[0]);
+            expect(isFound).to.equal(true);
+        });
+    });
+
+    describe('indexOf', () => {
+        it('should fail on an empty array', async () => {
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const [isSuccess] = await lib.publicIndexOf.callAsync([], addr);
+            expect(isSuccess).to.equal(false);
+        });
+
+        it('should fail on a missing item', async () => {
+            const arr = _.times(3, () => addressUtils.generatePseudoRandomAddress());
+            const addr = addressUtils.generatePseudoRandomAddress();
+            const [isSuccess] = await lib.publicIndexOf.callAsync(arr, addr);
+            expect(isSuccess).to.equal(false);
+        });
+
+        it('should succeed on an included item', async () => {
+            const arr = _.times(4, () => addressUtils.generatePseudoRandomAddress());
+            const expectedIndexOf = _.random(0, arr.length - 1);
+            const addr = arr[expectedIndexOf];
+            const [isSuccess, index] = await lib.publicIndexOf.callAsync(arr, addr);
+            expect(isSuccess).to.equal(true);
+            expect(index).bignumber.to.equal(expectedIndexOf);
+        });
+
+        it('should succeed on the only item in the array', async () => {
+            const arr = _.times(1, () => addressUtils.generatePseudoRandomAddress());
+            const [isSuccess, index] = await lib.publicIndexOf.callAsync(arr, arr[0]);
+            expect(isSuccess).to.equal(true);
+            expect(index).bignumber.to.equal(0);
+        });
+    });
+});
+// tslint:disable:max-file-line-count
--- a/contracts/utils/tsconfig.json
+++ b/contracts/utils/tsconfig.json
@@ -3,12 +3,14 @@
    "compilerOptions": { "outDir": "lib", "rootDir": ".", "resolveJsonModule": true },
    "include": ["./src/**/*", "./test/**/*", "./generated-wrappers/**/*"],
    "files": [
+        "generated-artifacts/Address.json",
        "generated-artifacts/IOwnable.json",
        "generated-artifacts/LibBytes.json",
        "generated-artifacts/Ownable.json",
        "generated-artifacts/ReentrancyGuard.json",
        "generated-artifacts/SafeMath.json",
        "generated-artifacts/TestConstants.json",
+        "generated-artifacts/TestLibAddressArray.json",
        "generated-artifacts/TestLibBytes.json"
    ],
    "exclude": ["./deploy/solc/solc_bin"]
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "6.0.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "6.0.4",
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v6.0.5 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v6.0.4 - _March 20, 2019_

    * Dependencies updated
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -1,6 +1,6 @@
 {
    "name": "0x.js",
-    "version": "6.0.4",
+    "version": "6.0.5",
    "engines": {
        "node": ">=6.12"
    },
@@ -42,10 +42,10 @@
    },
    "license": "Apache-2.0",
    "devDependencies": {
-        "@0x/abi-gen-wrappers": "^4.0.3",
-        "@0x/contract-addresses": "^2.2.3",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/migrations": "^4.0.4",
+        "@0x/abi-gen-wrappers": "^4.1.0",
+        "@0x/contract-addresses": "^2.3.0",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/migrations": "^4.1.0",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/mocha": "^2.2.42",
@@ -72,16 +72,16 @@
        "webpack": "^4.20.2"
    },
    "dependencies": {
-        "@0x/assert": "^2.0.7",
-        "@0x/base-contract": "^5.0.3",
-        "@0x/contract-wrappers": "^8.0.4",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/order-watcher": "^4.0.4",
-        "@0x/subproviders": "^4.0.3",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/assert": "^2.0.8",
+        "@0x/base-contract": "^5.0.4",
+        "@0x/contract-wrappers": "^8.0.5",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/order-watcher": "^4.0.5",
+        "@0x/subproviders": "^4.0.4",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "@types/web3-provider-engine": "^14.0.0",
        "ethereum-types": "^2.1.1",
        "ethers": "~4.0.4",
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "4.1.0",
+        "changes": [
+            {
+                "note": "Add Coordinator and CoordinatorRegistry contract wrappers",
+                "pr": 1689
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "timestamp": 1553091633,
        "version": "4.0.3",
--- a/packages/abi-gen-wrappers/CHANGELOG.md
+++ b/packages/abi-gen-wrappers/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v4.1.0 - _March 21, 2019_
+
+    * Add Coordinator and CoordinatorRegistry contract wrappers (#1689)
+
 ## v4.0.3 - _March 20, 2019_

    * Dependencies updated
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/abi-gen-wrappers",
-    "version": "4.0.3",
+    "version": "4.1.0",
    "engines": {
        "node": ">=6.12"
    },
@@ -18,7 +18,7 @@
        "generate_contract_wrappers": "abi-gen --abis  ${npm_package_config_abis} --template ../../node_modules/@0x/abi-gen-templates/contract.handlebars --partials '../../node_modules/@0x/abi-gen-templates/partials/**/*.handlebars' --output src/generated-wrappers --backend ethers"
    },
    "config": {
-        "abis": "../contract-artifacts/artifacts/@(AssetProxyOwner|DutchAuction|DummyERC20Token|DummyERC721Token|ERC20Proxy|ERC20Token|ERC721Proxy|ERC721Token|Exchange|Forwarder|IValidator|IWallet|MultiAssetProxy|OrderValidator|WETH9|ZRXToken).json"
+        "abis": "../contract-artifacts/artifacts/@(AssetProxyOwner|DutchAuction|DummyERC20Token|DummyERC721Token|ERC20Proxy|ERC20Token|ERC721Proxy|ERC721Token|Exchange|Forwarder|IValidator|IWallet|MultiAssetProxy|OrderValidator|WETH9|ZRXToken|Coordinator|CoordinatorRegistry).json"
    },
    "repository": {
        "type": "git",
@@ -30,19 +30,19 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen-wrappers/README.md",
    "devDependencies": {
-        "@0x/abi-gen": "^2.0.7",
+        "@0x/abi-gen": "^2.0.8",
        "@0x/abi-gen-templates": "^2.0.1",
        "@0x/tslint-config": "^3.0.0",
-        "@0x/types": "^2.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/types": "^2.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "ethers": "~4.0.4",
        "lodash": "^4.17.11",
        "shx": "^0.2.2"
    },
    "dependencies": {
-        "@0x/base-contract": "^5.0.3"
+        "@0x/base-contract": "^5.0.4"
    },
    "publishConfig": {
        "access": "public"
--- a/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/coordinator.ts
@@ -14,7 +14,7 @@ import * as _ from 'lodash';
 /* istanbul ignore next */
 // tslint:disable:no-parameter-reassignment
 // tslint:disable-next-line:class-name
-export class TECContract extends BaseContract {
+export class CoordinatorContract extends BaseContract {
    public getSignerAddress = {
        async callAsync(
            hash: string,
@@ -23,7 +23,7 @@ export class TECContract extends BaseContract {
            defaultBlock?: BlockParam,
        ): Promise<string
        > {
-            const self = this as any as TECContract;
+            const self = this as any as CoordinatorContract;
            const encodedData = self._strictEncodeArguments('getSignerAddress(bytes32,bytes)', [hash,
        signature
        ]);
@@ -45,10 +45,86 @@ export class TECContract extends BaseContract {
            return result;
        },
    };
-    public assertValidTransactionOrdersApproval = {
+    public executeTransaction = {
+        async sendTransactionAsync(
+            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            txOrigin: string,
+            transactionSignature: string,
+            approvalExpirationTimeSeconds: BigNumber[],
+            approvalSignatures: string[],
+            txData: Partial<TxData> = {},
+        ): Promise<string> {
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),address,bytes,uint256[],bytes[])', [transaction,
+    txOrigin,
+    transactionSignature,
+    approvalExpirationTimeSeconds,
+    approvalSignatures
+    ]);
+            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...txData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+                self.executeTransaction.estimateGasAsync.bind(
+                    self,
+                    transaction,
+                    txOrigin,
+                    transactionSignature,
+                    approvalExpirationTimeSeconds,
+                    approvalSignatures
+                ),
+            );
+            const txHash = await self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            return txHash;
+        },
+        async estimateGasAsync(
+            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            txOrigin: string,
+            transactionSignature: string,
+            approvalExpirationTimeSeconds: BigNumber[],
+            approvalSignatures: string[],
+            txData: Partial<TxData> = {},
+        ): Promise<number> {
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),address,bytes,uint256[],bytes[])', [transaction,
+    txOrigin,
+    transactionSignature,
+    approvalExpirationTimeSeconds,
+    approvalSignatures
+    ]);
+            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...txData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+            );
+            const gas = await self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            return gas;
+        },
+        getABIEncodedTransactionData(
+            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            txOrigin: string,
+            transactionSignature: string,
+            approvalExpirationTimeSeconds: BigNumber[],
+            approvalSignatures: string[],
+        ): string {
+            const self = this as any as CoordinatorContract;
+            const abiEncodedTransactionData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),address,bytes,uint256[],bytes[])', [transaction,
+    txOrigin,
+    transactionSignature,
+    approvalExpirationTimeSeconds,
+    approvalSignatures
+    ]);
+            return abiEncodedTransactionData;
+        },
        async callAsync(
            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            orders: Array<{makerAddress: string;takerAddress: string;feeRecipientAddress: string;senderAddress: string;makerAssetAmount: BigNumber;takerAssetAmount: BigNumber;makerFee: BigNumber;takerFee: BigNumber;expirationTimeSeconds: BigNumber;salt: BigNumber;makerAssetData: string;takerAssetData: string}>,
+            txOrigin: string,
            transactionSignature: string,
            approvalExpirationTimeSeconds: BigNumber[],
            approvalSignatures: string[],
@@ -56,9 +132,9 @@ export class TECContract extends BaseContract {
            defaultBlock?: BlockParam,
        ): Promise<void
        > {
-            const self = this as any as TECContract;
-            const encodedData = self._strictEncodeArguments('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],bytes,uint256[],bytes[])', [transaction,
-        orders,
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),address,bytes,uint256[],bytes[])', [transaction,
+        txOrigin,
        transactionSignature,
        approvalExpirationTimeSeconds,
        approvalSignatures
@@ -73,7 +149,7 @@ export class TECContract extends BaseContract {
            );
            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],bytes,uint256[],bytes[])');
+            const abiEncoder = self._lookupAbiEncoder('executeTransaction((uint256,address,bytes),address,bytes,uint256[],bytes[])');
            // tslint:disable boolean-naming
            const result = abiEncoder.strictDecodeReturnValue<void
        >(rawCallResult);
@@ -81,9 +157,10 @@ export class TECContract extends BaseContract {
            return result;
        },
    };
-    public assertValidTECApprovals = {
+    public assertValidCoordinatorApprovals = {
        async callAsync(
            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            txOrigin: string,
            transactionSignature: string,
            approvalExpirationTimeSeconds: BigNumber[],
            approvalSignatures: string[],
@@ -91,8 +168,9 @@ export class TECContract extends BaseContract {
            defaultBlock?: BlockParam,
        ): Promise<void
        > {
-            const self = this as any as TECContract;
-            const encodedData = self._strictEncodeArguments('assertValidTECApprovals((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('assertValidCoordinatorApprovals((uint256,address,bytes),address,bytes,uint256[],bytes[])', [transaction,
+        txOrigin,
        transactionSignature,
        approvalExpirationTimeSeconds,
        approvalSignatures
@@ -107,7 +185,7 @@ export class TECContract extends BaseContract {
            );
            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('assertValidTECApprovals((uint256,address,bytes),bytes,uint256[],bytes[])');
+            const abiEncoder = self._lookupAbiEncoder('assertValidCoordinatorApprovals((uint256,address,bytes),address,bytes,uint256[],bytes[])');
            // tslint:disable boolean-naming
            const result = abiEncoder.strictDecodeReturnValue<void
        >(rawCallResult);
@@ -121,7 +199,7 @@ export class TECContract extends BaseContract {
            defaultBlock?: BlockParam,
        ): Promise<string
        > {
-            const self = this as any as TECContract;
+            const self = this as any as CoordinatorContract;
            const encodedData = self._strictEncodeArguments('EIP712_DOMAIN_HASH()', []);
            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                {
@@ -141,78 +219,11 @@ export class TECContract extends BaseContract {
            return result;
        },
    };
-    public executeTransaction = {
-        async sendTransactionAsync(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            transactionSignature: string,
-            approvalExpirationTimeSeconds: BigNumber[],
-            approvalSignatures: string[],
-            txData: Partial<TxData> = {},
-        ): Promise<string> {
-            const self = this as any as TECContract;
-            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
-    transactionSignature,
-    approvalExpirationTimeSeconds,
-    approvalSignatures
-    ]);
-            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...txData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-                self.executeTransaction.estimateGasAsync.bind(
-                    self,
-                    transaction,
-                    transactionSignature,
-                    approvalExpirationTimeSeconds,
-                    approvalSignatures
-                ),
-            );
-            const txHash = await self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
-            return txHash;
-        },
-        async estimateGasAsync(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            transactionSignature: string,
-            approvalExpirationTimeSeconds: BigNumber[],
-            approvalSignatures: string[],
-            txData: Partial<TxData> = {},
-        ): Promise<number> {
-            const self = this as any as TECContract;
-            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
-    transactionSignature,
-    approvalExpirationTimeSeconds,
-    approvalSignatures
-    ]);
-            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...txData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const gas = await self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
-            return gas;
-        },
-        getABIEncodedTransactionData(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
-            transactionSignature: string,
-            approvalExpirationTimeSeconds: BigNumber[],
-            approvalSignatures: string[],
-        ): string {
-            const self = this as any as TECContract;
-            const abiEncodedTransactionData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
-    transactionSignature,
-    approvalExpirationTimeSeconds,
-    approvalSignatures
-    ]);
-            return abiEncodedTransactionData;
-        },
+    public assertValidTransactionOrdersApproval = {
        async callAsync(
            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            orders: Array<{makerAddress: string;takerAddress: string;feeRecipientAddress: string;senderAddress: string;makerAssetAmount: BigNumber;takerAssetAmount: BigNumber;makerFee: BigNumber;takerFee: BigNumber;expirationTimeSeconds: BigNumber;salt: BigNumber;makerAssetData: string;takerAssetData: string}>,
+            txOrigin: string,
            transactionSignature: string,
            approvalExpirationTimeSeconds: BigNumber[],
            approvalSignatures: string[],
@@ -220,8 +231,10 @@ export class TECContract extends BaseContract {
            defaultBlock?: BlockParam,
        ): Promise<void
        > {
-            const self = this as any as TECContract;
-            const encodedData = self._strictEncodeArguments('executeTransaction((uint256,address,bytes),bytes,uint256[],bytes[])', [transaction,
+            const self = this as any as CoordinatorContract;
+            const encodedData = self._strictEncodeArguments('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],address,bytes,uint256[],bytes[])', [transaction,
+        orders,
+        txOrigin,
        transactionSignature,
        approvalExpirationTimeSeconds,
        approvalSignatures
@@ -236,7 +249,7 @@ export class TECContract extends BaseContract {
            );
            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('executeTransaction((uint256,address,bytes),bytes,uint256[],bytes[])');
+            const abiEncoder = self._lookupAbiEncoder('assertValidTransactionOrdersApproval((uint256,address,bytes),(address,address,address,address,uint256,uint256,uint256,uint256,uint256,uint256,bytes,bytes)[],address,bytes,uint256[],bytes[])');
            // tslint:disable boolean-naming
            const result = abiEncoder.strictDecodeReturnValue<void
        >(rawCallResult);
@@ -249,14 +262,14 @@ export class TECContract extends BaseContract {
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
            _exchange: string,
-    ): Promise<TECContract> {
+    ): Promise<CoordinatorContract> {
        if (_.isUndefined(artifact.compilerOutput)) {
            throw new Error('Compiler output not found in the artifact file');
        }
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const bytecode = artifact.compilerOutput.evm.bytecode.object;
        const abi = artifact.compilerOutput.abi;
-        return TECContract.deployAsync(bytecode, abi, provider, txDefaults, _exchange
+        return CoordinatorContract.deployAsync(bytecode, abi, provider, txDefaults, _exchange
 );
    }
    public static async deployAsync(
@@ -265,7 +278,7 @@ export class TECContract extends BaseContract {
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
            _exchange: string,
-    ): Promise<TECContract> {
+    ): Promise<CoordinatorContract> {
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const constructorAbi = BaseContract._lookupConstructorAbi(abi);
        [_exchange
@@ -288,14 +301,14 @@ export class TECContract extends BaseContract {
        const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
        logUtils.log(`transactionHash: ${txHash}`);
        const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
-        logUtils.log(`TEC successfully deployed at ${txReceipt.contractAddress}`);
-        const contractInstance = new TECContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
+        logUtils.log(`Coordinator successfully deployed at ${txReceipt.contractAddress}`);
+        const contractInstance = new CoordinatorContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
        contractInstance.constructorArgs = [_exchange
 ];
        return contractInstance;
    }
    constructor(abi: ContractAbi, address: string, supportedProvider: SupportedProvider, txDefaults?: Partial<TxData>) {
-        super('TEC', abi, address, supportedProvider, txDefaults);
+        super('Coordinator', abi, address, supportedProvider, txDefaults);
        classUtils.bindAll(this, ['_abiEncoderByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
    }
 } // tslint:disable:max-file-line-count
--- a/packages/abi-gen-wrappers/src/generated-wrappers/coordinator_registry.ts
+++ b/packages/abi-gen-wrappers/src/generated-wrappers/coordinator_registry.ts
@@ -10,20 +10,80 @@ import * as ethers from 'ethers';
 import * as _ from 'lodash';
 // tslint:enable:no-unused-variable

+export type CoordinatorRegistryEventArgs =
+    | CoordinatorRegistryCoordinatorEndpointSetEventArgs;
+
+export enum CoordinatorRegistryEvents {
+    CoordinatorEndpointSet = 'CoordinatorEndpointSet',
+}
+
+export interface CoordinatorRegistryCoordinatorEndpointSetEventArgs extends DecodedLogArgs {
+    coordinatorOperator: string;
+    coordinatorEndpoint: string;
+}
+

 /* istanbul ignore next */
 // tslint:disable:no-parameter-reassignment
 // tslint:disable-next-line:class-name
-export class TestLibsContract extends BaseContract {
-    public publicGetTransactionHash = {
+export class CoordinatorRegistryContract extends BaseContract {
+    public setCoordinatorEndpoint = {
+        async sendTransactionAsync(
+            coordinatorEndpoint: string,
+            txData: Partial<TxData> = {},
+        ): Promise<string> {
+            const self = this as any as CoordinatorRegistryContract;
+            const encodedData = self._strictEncodeArguments('setCoordinatorEndpoint(string)', [coordinatorEndpoint
+    ]);
+            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...txData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+                self.setCoordinatorEndpoint.estimateGasAsync.bind(
+                    self,
+                    coordinatorEndpoint
+                ),
+            );
+            const txHash = await self._web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+            return txHash;
+        },
+        async estimateGasAsync(
+            coordinatorEndpoint: string,
+            txData: Partial<TxData> = {},
+        ): Promise<number> {
+            const self = this as any as CoordinatorRegistryContract;
+            const encodedData = self._strictEncodeArguments('setCoordinatorEndpoint(string)', [coordinatorEndpoint
+    ]);
+            const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+                {
+                    to: self.address,
+                    ...txData,
+                    data: encodedData,
+                },
+                self._web3Wrapper.getContractDefaults(),
+            );
+            const gas = await self._web3Wrapper.estimateGasAsync(txDataWithDefaults);
+            return gas;
+        },
+        getABIEncodedTransactionData(
+            coordinatorEndpoint: string,
+        ): string {
+            const self = this as any as CoordinatorRegistryContract;
+            const abiEncodedTransactionData = self._strictEncodeArguments('setCoordinatorEndpoint(string)', [coordinatorEndpoint
+    ]);
+            return abiEncodedTransactionData;
+        },
        async callAsync(
-            transaction: {salt: BigNumber;signerAddress: string;data: string},
+            coordinatorEndpoint: string,
            callData: Partial<CallData> = {},
            defaultBlock?: BlockParam,
-        ): Promise<string
+        ): Promise<void
        > {
-            const self = this as any as TestLibsContract;
-            const encodedData = self._strictEncodeArguments('publicGetTransactionHash((uint256,address,bytes))', [transaction
+            const self = this as any as CoordinatorRegistryContract;
+            const encodedData = self._strictEncodeArguments('setCoordinatorEndpoint(string)', [coordinatorEndpoint
        ]);
            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                {
@@ -35,23 +95,23 @@ export class TestLibsContract extends BaseContract {
            );
            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('publicGetTransactionHash((uint256,address,bytes))');
+            const abiEncoder = self._lookupAbiEncoder('setCoordinatorEndpoint(string)');
            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<string
+            const result = abiEncoder.strictDecodeReturnValue<void
        >(rawCallResult);
            // tslint:enable boolean-naming
            return result;
        },
    };
-    public publicGetTECApprovalHash = {
+    public getCoordinatorEndpoint = {
        async callAsync(
-            approval: {transactionHash: string;transactionSignature: string;approvalExpirationTimeSeconds: BigNumber},
+            coordinatorOperator: string,
            callData: Partial<CallData> = {},
            defaultBlock?: BlockParam,
        ): Promise<string
        > {
-            const self = this as any as TestLibsContract;
-            const encodedData = self._strictEncodeArguments('publicGetTECApprovalHash((bytes32,bytes,uint256))', [approval
+            const self = this as any as CoordinatorRegistryContract;
+            const encodedData = self._strictEncodeArguments('getCoordinatorEndpoint(address)', [coordinatorOperator
        ]);
            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
                {
@@ -63,33 +123,7 @@ export class TestLibsContract extends BaseContract {
            );
            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('publicGetTECApprovalHash((bytes32,bytes,uint256))');
-            // tslint:disable boolean-naming
-            const result = abiEncoder.strictDecodeReturnValue<string
-        >(rawCallResult);
-            // tslint:enable boolean-naming
-            return result;
-        },
-    };
-    public EIP712_DOMAIN_HASH = {
-        async callAsync(
-            callData: Partial<CallData> = {},
-            defaultBlock?: BlockParam,
-        ): Promise<string
-        > {
-            const self = this as any as TestLibsContract;
-            const encodedData = self._strictEncodeArguments('EIP712_DOMAIN_HASH()', []);
-            const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
-                {
-                    to: self.address,
-                    ...callData,
-                    data: encodedData,
-                },
-                self._web3Wrapper.getContractDefaults(),
-            );
-            const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
-            BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
-            const abiEncoder = self._lookupAbiEncoder('EIP712_DOMAIN_HASH()');
+            const abiEncoder = self._lookupAbiEncoder('getCoordinatorEndpoint(address)');
            // tslint:disable boolean-naming
            const result = abiEncoder.strictDecodeReturnValue<string
        >(rawCallResult);
@@ -101,21 +135,21 @@ export class TestLibsContract extends BaseContract {
        artifact: ContractArtifact | SimpleContractArtifact,
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
-    ): Promise<TestLibsContract> {
+    ): Promise<CoordinatorRegistryContract> {
        if (_.isUndefined(artifact.compilerOutput)) {
            throw new Error('Compiler output not found in the artifact file');
        }
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const bytecode = artifact.compilerOutput.evm.bytecode.object;
        const abi = artifact.compilerOutput.abi;
-        return TestLibsContract.deployAsync(bytecode, abi, provider, txDefaults, );
+        return CoordinatorRegistryContract.deployAsync(bytecode, abi, provider, txDefaults, );
    }
    public static async deployAsync(
        bytecode: string,
        abi: ContractAbi,
        supportedProvider: SupportedProvider,
        txDefaults: Partial<TxData>,
-    ): Promise<TestLibsContract> {
+    ): Promise<CoordinatorRegistryContract> {
        const provider = providerUtils.standardizeOrThrow(supportedProvider);
        const constructorAbi = BaseContract._lookupConstructorAbi(abi);
        [] = BaseContract._formatABIDataItemList(
@@ -135,13 +169,13 @@ export class TestLibsContract extends BaseContract {
        const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
        logUtils.log(`transactionHash: ${txHash}`);
        const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
-        logUtils.log(`TestLibs successfully deployed at ${txReceipt.contractAddress}`);
-        const contractInstance = new TestLibsContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
+        logUtils.log(`CoordinatorRegistry successfully deployed at ${txReceipt.contractAddress}`);
+        const contractInstance = new CoordinatorRegistryContract(abi, txReceipt.contractAddress as string, provider, txDefaults);
        contractInstance.constructorArgs = [];
        return contractInstance;
    }
    constructor(abi: ContractAbi, address: string, supportedProvider: SupportedProvider, txDefaults?: Partial<TxData>) {
-        super('TestLibs', abi, address, supportedProvider, txDefaults);
+        super('CoordinatorRegistry', abi, address, supportedProvider, txDefaults);
        classUtils.bindAll(this, ['_abiEncoderByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
    }
 } // tslint:disable:max-file-line-count
--- a/packages/abi-gen-wrappers/src/index.ts
+++ b/packages/abi-gen-wrappers/src/index.ts
@@ -14,3 +14,5 @@ export * from './generated-wrappers/multi_asset_proxy';
 export * from './generated-wrappers/order_validator';
 export * from './generated-wrappers/weth9';
 export * from './generated-wrappers/zrx_token';
+export * from './generated-wrappers/coordinator';
+export * from './generated-wrappers/coordinator_registry';
--- a/packages/abi-gen/CHANGELOG.json
+++ b/packages/abi-gen/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "2.0.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "2.0.7",
--- a/packages/abi-gen/CHANGELOG.md
+++ b/packages/abi-gen/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.0.8 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v2.0.7 - _March 20, 2019_

    * Dependencies updated
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/abi-gen",
-    "version": "2.0.7",
+    "version": "2.0.8",
    "engines": {
        "node": ">=6.12"
    },
@@ -31,8 +31,8 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen/README.md",
    "dependencies": {
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
        "chalk": "^2.3.0",
        "ethereum-types": "^2.1.1",
        "glob": "^7.1.2",
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "2.0.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "2.0.7",
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v2.0.8 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v2.0.7 - _March 20, 2019_

    * Dependencies updated
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/assert",
-    "version": "2.0.7",
+    "version": "2.0.8",
    "engines": {
        "node": ">=6.12"
    },
@@ -44,9 +44,9 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/json-schemas": "^3.0.7",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
+        "@0x/json-schemas": "^3.0.8",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
        "lodash": "^4.17.11",
        "valid-url": "^1.0.9"
    },
--- a/packages/asset-buyer/CHANGELOG.json
+++ b/packages/asset-buyer/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "6.0.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "6.0.4",
--- a/packages/asset-buyer/CHANGELOG.md
+++ b/packages/asset-buyer/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v6.0.5 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v6.0.4 - _March 20, 2019_

    * Dependencies updated
--- a/packages/asset-buyer/package.json
+++ b/packages/asset-buyer/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/asset-buyer",
-    "version": "6.0.4",
+    "version": "6.0.5",
    "engines": {
        "node": ">=6.12"
    },
@@ -36,16 +36,16 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/packages/asset-buyer/README.md",
    "dependencies": {
-        "@0x/assert": "^2.0.7",
-        "@0x/connect": "^5.0.3",
-        "@0x/contract-wrappers": "^8.0.4",
-        "@0x/json-schemas": "^3.0.7",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/subproviders": "^4.0.3",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/assert": "^2.0.8",
+        "@0x/connect": "^5.0.4",
+        "@0x/contract-wrappers": "^8.0.5",
+        "@0x/json-schemas": "^3.0.8",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/subproviders": "^4.0.4",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "lodash": "^4.17.11"
    },
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "5.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "5.0.3",
--- a/packages/base-contract/CHANGELOG.md
+++ b/packages/base-contract/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v5.0.4 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v5.0.3 - _March 20, 2019_

    * Dependencies updated
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/base-contract",
-    "version": "5.0.3",
+    "version": "5.0.4",
    "engines": {
        "node": ">=6.12"
    },
@@ -40,9 +40,9 @@
        "typescript": "3.0.1"
    },
    "dependencies": {
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "ethers": "~4.0.4",
        "lodash": "^4.17.11"
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "5.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "version": "5.0.3",
        "changes": [
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v5.0.4 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v5.0.3 - _March 20, 2019_

    * Update websocket@^1.0.25 -> websocket@^1.0.26 (#1685)
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/connect",
-    "version": "5.0.3",
+    "version": "5.0.4",
    "engines": {
        "node": ">=6.12"
    },
@@ -44,12 +44,12 @@
    },
    "homepage": "https://github.com/0xProject/0x-monorepo/packages/connect/README.md",
    "dependencies": {
-        "@0x/assert": "^2.0.7",
-        "@0x/json-schemas": "^3.0.7",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
+        "@0x/assert": "^2.0.8",
+        "@0x/json-schemas": "^3.0.8",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
        "lodash": "^4.17.11",
        "query-string": "^6.0.0",
        "sinon": "^4.0.0",
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -1,13 +1,17 @@
 [
    {
-        "version": "2.2.3",
+        "version": "2.3.0",
        "changes": [
+            {
+                "note": "Add addresses for coordinator extension contract and coordinator registry",
+                "pr": 1689
+            },
            {
                "note": "Added Dutch Auction mainnet address",
                "pr": 1715
            }
        ],
-        "timestamp": 1553091633
+        "timestamp": 1553183790
    },
    {
        "version": "2.2.2",
--- a/packages/contract-addresses/CHANGELOG.md
+++ b/packages/contract-addresses/CHANGELOG.md
@@ -5,8 +5,9 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

-## v2.2.3 - _March 20, 2019_
+## v2.3.0 - _March 21, 2019_

+    * Add addresses for coordinator extension contract and coordinator registry (#1689)
    * Added Dutch Auction mainnet address (#1715)

 ## v2.2.2 - _February 25, 2019_
--- a/packages/contract-addresses/package.json
+++ b/packages/contract-addresses/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contract-addresses",
-    "version": "2.2.3",
+    "version": "2.3.0",
    "engines": {
        "node": ">=6.12"
    },
--- a/packages/contract-addresses/src/index.ts
+++ b/packages/contract-addresses/src/index.ts
@@ -10,6 +10,8 @@ export interface ContractAddresses {
    forwarder: string;
    orderValidator: string;
    dutchAuction: string;
+    coordinatorRegistry: string;
+    coordinator: string;
 }

 export enum NetworkId {
@@ -33,6 +35,8 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
        forwarder: '0x5468a1dc173652ee28d249c271fa9933144746b1',
        orderValidator: '0x9463e518dea6810309563c81d5266c1b1d149138',
        dutchAuction: '0x07b32a653754945666cfca91168bb207323dfe67',
+        coordinatorRegistry: '0x45797531b873fd5e519477a070a955764c1a5b07',
+        coordinator: '0x24675738816c87ad37e712cc24f309a0c906187f',
    },
    3: {
        erc20Proxy: '0xb1408f4c245a23c31b98d2c626777d4c0d766caa',
@@ -44,6 +48,8 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
        forwarder: '0x2240dab907db71e64d3e0dba4800c83b5c502d4e',
        orderValidator: '0x90431a90516ab49af23a0530e04e8c7836e7122f',
        dutchAuction: '0x2df6b59309f35ada230ec7d61d7d97355017a1df',
+        coordinatorRegistry: '0x403cc23e88c17c4652fb904784d1af640a6722d9',
+        coordinator: '0xc442300dcb4df1ff1db0173e77556dc559de6006',
    },
    4: {
        exchange: '0xbce0b5f6eb618c565c3e5f5cd69652bbc279f44e',
@@ -55,6 +61,8 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
        forwarder: '0x2d40589abbdee84961f3a7656b9af7adb0ee5ab4',
        orderValidator: '0x0c5173a51e26b29d6126c686756fb9fbef71f762',
        dutchAuction: '0xdd7bd6437e67c422879364740ab5855fe3dc41f7',
+        coordinatorRegistry: '0x1084b6a398e47907bae43fec3ff4b677db6e4fee',
+        coordinator: '0xc05e6c01b83eeedecac2f7bab9367da4d4c108df',
    },
    42: {
        erc20Proxy: '0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e',
@@ -66,6 +74,8 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
        forwarder: '0x17992e4ffb22730138e4b62aaa6367fa9d3699a6',
        orderValidator: '0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d',
        dutchAuction: '0xe11667fb51f34c5367f40d7e379327ce32ee7150',
+        coordinatorRegistry: '0x09fb99968c016a3ff537bf58fb3d9fe55a7975d5',
+        coordinator: '0x04b2b090bad68b254881d7eb645a258ce66cc998',
    },
    // NetworkId 50 represents our Ganache snapshot generated from migrations.
    50: {
@@ -78,6 +88,8 @@ const networkToAddresses: { [networkId: number]: ContractAddresses } = {
        forwarder: '0x6000eca38b8b5bba64986182fe2a69c57f6b5414',
        orderValidator: '0x32eecaf51dfea9618e9bc94e9fbfddb1bbdcba15',
        dutchAuction: '0x7e3f4e1deb8d3a05d9d2da87d9521268d0ec3239',
+        coordinatorRegistry: '0xaa86dda78e9434aca114b6676fc742a18d15a1cc',
+        coordinator: '0x4d3d5c850dd5bd9d6f4adda3dd039a3c8054ca29',
    },
 };

--- a/packages/contract-artifacts/CHANGELOG.json
+++ b/packages/contract-artifacts/CHANGELOG.json
@@ -1,4 +1,14 @@
 [
+    {
+        "version": "1.4.0",
+        "changes": [
+            {
+                "note": "Added artifact for `Coordinaotr` and `CoordinatorRegistry` contracts",
+                "pr": 1689
+            }
+        ],
+        "timestamp": 1553183790
+    },
    {
        "version": "1.3.0",
        "changes": [
--- a/packages/contract-artifacts/CHANGELOG.md
+++ b/packages/contract-artifacts/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v1.4.0 - _March 21, 2019_
+
+    * Added artifact for `Coordinaotr` and `CoordinatorRegistry` contracts (#1689)
+
 ## v1.3.0 - _January 15, 2019_

    * Added artifact for `MultiAssetProxy` contract (#1503)
--- a/packages/contract-artifacts/artifacts/Coordinator.json
+++ b/packages/contract-artifacts/artifacts/Coordinator.json
--- a/packages/contract-artifacts/artifacts/CoordinatorRegistry.json
+++ b/packages/contract-artifacts/artifacts/CoordinatorRegistry.json
--- a/packages/contract-artifacts/package.json
+++ b/packages/contract-artifacts/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contract-artifacts",
-    "version": "1.3.0",
+    "version": "1.4.0",
    "engines": {
        "node": ">=6.12"
    },
--- a/packages/contract-artifacts/src/index.ts
+++ b/packages/contract-artifacts/src/index.ts
@@ -1,4 +1,6 @@
 import * as AssetProxyOwner from '../artifacts/AssetProxyOwner.json';
+import * as Coordinator from '../artifacts/Coordinator.json';
+import * as CoordinatorRegistry from '../artifacts/CoordinatorRegistry.json';
 import * as DummyERC20Token from '../artifacts/DummyERC20Token.json';
 import * as DummyERC721Token from '../artifacts/DummyERC721Token.json';
 import * as DutchAuction from '../artifacts/DutchAuction.json';
@@ -32,4 +34,6 @@ export {
    OrderValidator,
    WETH9,
    ZRXToken,
+    Coordinator,
+    CoordinatorRegistry,
 };
--- a/packages/contract-artifacts/tsconfig.json
+++ b/packages/contract-artifacts/tsconfig.json
@@ -22,6 +22,8 @@
        "./artifacts/MultiAssetProxy.json",
        "./artifacts/OrderValidator.json",
        "./artifacts/WETH9.json",
-        "./artifacts/ZRXToken.json"
+        "./artifacts/ZRXToken.json",
+        "./artifacts/CoordinatorRegistry.json",
+        "./artifacts/Coordinator.json"
    ]
 }
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "timestamp": 1553183790,
+        "version": "8.0.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
    {
        "timestamp": 1553091633,
        "version": "8.0.4",
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.

 CHANGELOG

+## v8.0.5 - _March 21, 2019_
+
+    * Dependencies updated
+
 ## v8.0.4 - _March 20, 2019_

    * Dependencies updated
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@0x/contract-wrappers",
-    "version": "8.0.4",
+    "version": "8.0.5",
    "description": "Smart TS wrappers for 0x smart contracts",
    "keywords": [
        "0xproject",
@@ -37,11 +37,11 @@
        "node": ">=6.0.0"
    },
    "devDependencies": {
-        "@0x/contracts-test-utils": "^3.1.0",
-        "@0x/dev-utils": "^2.1.4",
-        "@0x/fill-scenarios": "^3.0.3",
-        "@0x/migrations": "^4.0.4",
-        "@0x/subproviders": "^4.0.3",
+        "@0x/contracts-test-utils": "^3.1.1",
+        "@0x/dev-utils": "^2.2.0",
+        "@0x/fill-scenarios": "^3.0.4",
+        "@0x/migrations": "^4.1.0",
+        "@0x/subproviders": "^4.0.4",
        "@0x/tslint-config": "^3.0.0",
        "@types/lodash": "4.14.104",
        "@types/mocha": "^2.2.42",
@@ -67,16 +67,16 @@
        "web3-provider-engine": "14.0.6"
    },
    "dependencies": {
-        "@0x/abi-gen-wrappers": "^4.0.3",
-        "@0x/assert": "^2.0.7",
-        "@0x/contract-addresses": "^2.2.3",
-        "@0x/contract-artifacts": "^1.3.0",
-        "@0x/json-schemas": "^3.0.7",
-        "@0x/order-utils": "^7.1.0",
-        "@0x/types": "^2.2.0",
-        "@0x/typescript-typings": "^4.2.0",
-        "@0x/utils": "^4.2.3",
-        "@0x/web3-wrapper": "^6.0.3",
+        "@0x/abi-gen-wrappers": "^4.1.0",
+        "@0x/assert": "^2.0.8",
+        "@0x/contract-addresses": "^2.3.0",
+        "@0x/contract-artifacts": "^1.4.0",
+        "@0x/json-schemas": "^3.0.8",
+        "@0x/order-utils": "^7.1.1",
+        "@0x/types": "^2.2.1",
+        "@0x/typescript-typings": "^4.2.1",
+        "@0x/utils": "^4.3.0",
+        "@0x/web3-wrapper": "^6.0.4",
        "ethereum-types": "^2.1.1",
        "ethereumjs-abi": "0.6.5",
        "ethereumjs-blockstream": "6.0.0",
--- a/packages/contract-wrappers/test/erc20_wrapper_test.ts
+++ b/packages/contract-wrappers/test/erc20_wrapper_test.ts
@@ -2,7 +2,7 @@ import { ContractAddresses } from '@0x/contract-addresses';
 import { BlockchainLifecycle, callbackErrorReporter } from '@0x/dev-utils';
 import { EmptyWalletSubprovider, Web3ProviderEngine } from '@0x/subproviders';
 import { DoneCallback } from '@0x/types';
-import { BigNumber } from '@0x/utils';
+import { BigNumber, providerUtils } from '@0x/utils';
 import * as chai from 'chai';
 import 'mocha';

@@ -628,6 +628,6 @@ function addEmptyWalletSubprovider(p: Web3ProviderEngine): Web3ProviderEngine {
    for (const subprovider of currentSubproviders) {
        providerEngine.addProvider(subprovider);
    }
-    providerEngine.start();
+    providerUtils.startProviderEngine(providerEngine);
    return providerEngine;
 }
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Fabio Berger	0f45409b4d	Publish - 0x.js@6.0.5 - @0x/abi-gen@2.0.8 - @0x/abi-gen-wrappers@4.1.0 - @0x/assert@2.0.8 - @0x/asset-buyer@6.0.5 - @0x/base-contract@5.0.4 - @0x/connect@5.0.4 - @0x/contract-addresses@2.3.0 - @0x/contract-artifacts@1.4.0 - @0x/contract-wrappers@8.0.5 - @0x/contracts-gen@1.0.7 - @0x/dev-tools-pages@0.0.24 - @0x/dev-utils@2.2.0 - @0x/fill-scenarios@3.0.4 - @0x/instant@1.0.19 - @0x/json-schemas@3.0.8 - @0x/metacoin@0.0.46 - @0x/migrations@4.1.0 - @0x/monorepo-scripts@1.0.29 - @0x/order-utils@7.1.1 - @0x/order-watcher@4.0.5 - @0x/pipeline@1.0.16 - @0x/react-docs@2.0.9 - @0x/react-shared@2.0.9 - @0x/sol-compiler@3.1.5 - @0x/sol-coverage@3.0.2 - @0x/sol-doc@2.0.9 - @0x/sol-profiler@3.1.4 - @0x/sol-resolver@2.0.6 - @0x/sol-trace@2.0.10 - @0x/sol-tracing-utils@6.0.9 - @0x/sra-spec@2.0.8 - @0x/subproviders@4.0.4 - @0x/testnet-faucets@1.0.75 - @0x/types@2.2.1 - @0x/typescript-typings@4.2.1 - @0x/utils@4.3.0 - @0x/web3-wrapper@6.0.4 - @0x/website@0.0.78 - @0x/contracts-asset-proxy@2.1.0 - @0x/contracts-coordinator@1.1.0 - @0x/contracts-erc1155@1.1.0 - @0x/contracts-erc20@2.1.0 - @0x/contracts-erc721@2.1.0 - @0x/contracts-exchange@2.1.0 - @0x/contracts-exchange-forwarder@2.1.0 - @0x/contracts-exchange-libs@2.1.0 - @0x/contracts-extensions@3.1.0 - @0x/contracts-multisig@3.1.0 - @0x/contracts-test-utils@3.1.1 - @0x/contracts-utils@3.1.0	2019-03-21 17:07:20 +01:00
Fabio Berger	5469d3ec13	Updated CHANGELOGS	2019-03-21 17:07:04 +01:00
Fabio B	d12f8410b9	Merge pull request #1689 from 0xProject/addCoordinatorSupport Add Coordinator contracts support in dev tools	2019-03-21 16:04:19 +01:00
Fabio Berger	704c52d229	Move @0x/contracts-test-utils dependency from devDep to deps to fix publish test	2019-03-21 15:33:47 +01:00
Fabio Berger	7dcdda14f5	modify types	2019-03-21 15:13:39 +01:00
Fabio Berger	0f59256ca7	merge development	2019-03-21 15:04:52 +01:00
Fabio Berger	ddee04e98c	Try import instead of const	2019-03-21 14:46:47 +01:00
Fabio Berger	e866add4b0	Add artifacts to python packages	2019-03-21 14:33:54 +01:00
Fabio Berger	39b93b88c5	Fix prettier	2019-03-21 14:32:21 +01:00
Fabio Berger	deb7e95567	Revert change	2019-03-21 14:29:26 +01:00
Jacob Evans	91500501ce	Merge pull request #1695 from 0xProject/feature/reduce-excess-block-polling Reduce excess block polling when using Web3ProviderEngine	2019-03-21 13:37:07 +01:00
Jacob Evans	6a1caeb9a1	Update CHANGELOGs	2019-03-21 12:33:09 +01:00
Jacob Evans	cee7803c37	Remove IAssetProxy	2019-03-21 12:02:38 +01:00
Jacob Evans	4e8d0ac7cb	Add IAssetProxy to python	2019-03-21 11:52:43 +01:00
Jacob Evans	47bbcb9935	Add HACK explanation	2019-03-21 11:52:43 +01:00
Jacob Evans	c0288c5f26	Fix changelog, remove migrate_testnet	2019-03-21 11:52:28 +01:00
Jacob Evans	18c2013625	Update contract CHANGELOGs	2019-03-21 11:51:53 +01:00
Jacob Evans	548089888d	Remove excess web3providernegine polling from contracts	2019-03-21 11:50:19 +01:00
Jacob Evans	180c65cfeb	Change all packages to use web3providerengine without excess polling	2019-03-21 11:50:19 +01:00
Jacob Evans	6a28e41bc8	Remove unnecessary type assertion	2019-03-21 11:50:19 +01:00
Jacob Evans	f9ef942a98	Use providerUtils.startProviderEngine to minimize the HACK	2019-03-21 11:50:18 +01:00
Jacob Evans	8272c7a74e	Reduce excess block polling when using Web3ProviderEngine	2019-03-21 11:49:26 +01:00
Amir Bandeali	4e745489db	Merge pull request #1720 from 0xProject/fix/remove-tec Remove TEC package artifacts	2019-03-20 14:01:39 -07:00
Amir Bandeali	fc2625a0c0	Remove TEC package artifacts	2019-03-20 13:28:37 -07:00
Amir Bandeali	d0e43ebaf1	Merge pull request #1712 from merklejerk/fix/feature/contracts/LibAddressArray-tests Fix LibAddressArray.indexOf() and add LibAddressArray tests.	2019-03-20 11:38:08 -07:00
Fabio Berger	879805e316	merge development	2019-03-20 17:07:02 +01:00
Fabio Berger	6845d2e0ef	Add coordinator artifacts to python package	2019-03-20 16:56:08 +01:00
Fabio Berger	542d1c1c41	In-line the declaration	2019-03-20 16:27:13 +01:00
Greg Hysen	31568e7abb	Merge pull request #1716 from 0xProject/contracts-asset-proxy/updateProxyId ERC1155 ProxyId - ERC1155Token -> ERC1155Assets	2019-03-20 08:12:58 -07:00
Lawrence	4b2488b124	Ran prettier.	2019-03-20 10:58:25 -04:00
Lawrence	6ed1412bdd	Remove unnecessary copy operation in `TestLibAddressArray.testAppendRealloc()`. Test explicitly for newly allocated address in LibAddressArray "append" tests.	2019-03-20 10:19:46 -04:00
Lawrence	78b9a45158	Add PR#s to changelogs.	2019-03-20 10:19:46 -04:00
Lawrence	b8925baa88	Add unit tests for contracts/utils/LibAddressArray. Fix `LibAddressArray.indexOf` returning wrong index.	2019-03-20 10:19:46 -04:00
Lawrence	87fd3f2a82	Add `RevertReason.InvalidFreeMemoryPtr` to packages/types.	2019-03-20 10:19:46 -04:00
Fabio Berger	8af164dbd2	Attempt to fix type issue	2019-03-20 15:05:21 +01:00
Fabio Berger	c994afbf3c	Fix Pylint	2019-03-20 15:02:49 +01:00
Fabio Berger	843caf86fb	merge development	2019-03-20 14:32:26 +01:00
Fabio Berger	44eef5b0e0	Fix comment	2019-03-20 14:31:10 +01:00
Greg Hysen	7ed3afe9f0	Updated function signature for ERC1155 ProxyId - ERC1155Token -> ERC1155Assets	2019-03-19 15:35:08 -07:00
Fabio Berger	2fbe0aed32	Fix Python tests	2019-03-19 14:53:43 +01:00
Fabio Berger	849ca58228	Fix PR number	2019-03-18 20:40:29 +01:00
Fabio Berger	9991fca2e5	Add changelog entry for contract-addressesa	2019-03-18 20:39:02 +01:00
Fabio Berger	9c7bdcfeef	Add testnet and mainnet coordinator and coordinatorRegistry addresses	2019-03-18 20:37:01 +01:00
Fabio Berger	b5463d522b	Add PR numbers	2019-03-18 17:30:10 +01:00
Fabio Berger	af0d830103	Update coordinator wrapper	2019-03-18 17:20:58 +01:00
Fabio Berger	d4187dffa3	Add `createCoordinatorApprovalTypedData` method to order-utils and use in Coordinator tests	2019-03-18 17:20:51 +01:00
Fabio Berger	a7f06f2be5	Update coordinator abi-gen-wrapper	2019-03-18 16:44:11 +01:00
Fabio Berger	7ff7d1a185	Merge branch 'development' into addCoordinatorSupport * development: Fix order-watcher version	2019-03-18 12:00:18 +01:00
Fabio Berger	e3bc80e027	Merge branch 'development' into addCoordinatorSupport * development: (93 commits) Linting Copied MixinAssetProxyDispatcher from exchange Added deployed contract packages to readme (and link to top-level readme) Bumped version of ERC1155Proxy to 0.5.5 + merged ERC20Proxy/ERC721Proxy/MultiAssetProxy dependencies into base contract files Make credits program participants 1 row Correct comment in `hashEIP712Message()` in `LibEIP712Domai.sol`. Merge janky changelog notes in `types` package. Correct changelog note in `coordinator` changelog. Add PR numbers to changelogs. additional zero outcome tests renamed perUnitValue to valueMultiplier added test for amount=0 Adjusted changelog version since nothing has been published during this PR Added calldatacopy comment Do not revert if value or amount are zero. Only if amount is non-zero and there is an overflow. updated comment for calldatacopy yarn.lock for erc1155 proxy added exports for 1155 proxy Renamed tokenIds -> ids, tokenValues -> values, callbackData -> data to be consistent with the ERC1155 reference implementation. Rebased against development Ran prettier Updated changelogs and documentation for erc1155 proxy ...	2019-03-18 11:20:22 +01:00
Fabio Berger	9366fa3b45	Add CHANGELOG entries	2019-03-11 15:29:26 +01:00
Fabio Berger	d356e9e65f	Add deploying Coordinator contracts to migration script	2019-03-11 14:38:51 +01:00
Fabio Berger	230ebffd0e	Generate Coordinator contract wrappers and add to abi-gen-wrappers package	2019-03-11 14:38:35 +01:00
Fabio Berger	5eedc1edca	Add Coordinator contracts to contract-artifacts package	2019-03-11 14:38:00 +01:00