Merge branch 'development' into feature/website/top-bar-redesign

* development: (63 commits) Update The Ocean logo Fix artifacts paths Create an artifacts folder Introduce a var Add removeHexPrefix util method CHeck if ABI exists Improve the readability of the check for should compile Use named constants Add a comment Fix comments Rename args to constructor-args Fix a typo Define a separator const Move artifacts from src/artifacts to artifacts/v1 Fix sol-cov to work with the new artifacts format Implement new artifacts format Publish Updated CHANGELOGS Make node types a dependency Fix type errors in CSS properties ...
author: Brandon Millman <brandon.millman@gmail.com> 2018-05-09 02:04:31 +0800
committer: Brandon Millman <brandon.millman@gmail.com> 2018-05-09 02:04:31 +0800
commit: 607d738342a839788b59e0dee63849ea447331bc (patch)
tree: d90078ec0e95357a2fe9fb4af65f9135e9e44408 /packages
parent: b8c611de2b82657a274c55007ffc5d72807eae7f (diff)
parent: e9d70b7b1edb5089a6e5e2a9ee8c964ab4b4d4ab (diff)
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166 files changed, 2366 insertions, 6142 deletions
diff --git a/packages/0x.js/CHANGELOG.json b/packages/0x.js/CHANGELOG.json
index ef4bb1e07..bdc575903 100644
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@@ -1,12 +1,43 @@
 [
     {
-        "version": "0.36.4",
+        "timestamp": 1525477860,
+        "version": "0.37.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525453812,
+        "version": "0.37.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "0.37.0",
         "changes": [
             {
                 "note": "Fixed expiration watcher comparator to handle orders with equal expiration times",
                 "pr": 526
+            },
+            {
+                "note": "Update Web3 Provider Engine to 14.0.4",
+                "pr": 555
+            },
+            {
+                "note": "Add `zeroEx.getProvider()`",
+                "pr": 559
+            },
+            {
+                "note": "Move `ZeroExError.InvalidSignature` to `@0xproject/order-utils` `OrderError.InvalidSignature`",
+                "pr": 559
             }
-        ]
+        ],
+        "timestamp": 1525428773
     },
     {
         "version": "0.36.3",
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index f800b86db..353e0de29 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -5,6 +5,21 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.37.2 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.37.1 - _May 4, 2018_
+
+    * Dependencies updated
+
+## v0.37.0 - _May 4, 2018_
+
+    * Fixed expiration watcher comparator to handle orders with equal expiration times (#526)
+    * Update Web3 Provider Engine to 14.0.4 (#555)
+    * Add `zeroEx.getProvider()` (#559)
+    * Move `ZeroExError.InvalidSignature` to `@0xproject/order-utils` `OrderError.InvalidSignature` (#559)
+
 ## v0.36.3 - _April 18, 2018_
 
     * Move @0xproject/migrations to devDependencies
diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index e7cdff09e..a23e01938 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -1,6 +1,6 @@
 {
     "name": "0x.js",
-    "version": "0.36.3",
+    "version": "0.37.2",
     "description": "A javascript library for interacting with the 0x protocol",
     "keywords": [
         "0x.js",
@@ -21,7 +21,7 @@
         "test": "run-s clean test:commonjs",
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
-        "update_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/src/artifacts/$i.json test/artifacts; done;",
+        "update_artifacts": "for i in ${npm_package_config_contracts}; do copyfiles -u 4 ../migrations/artifacts/1.0.0/$i.json test/artifacts; done;",
         "clean": "shx rm -rf _bundles lib test_temp scripts",
         "build:umd:prod": "NODE_ENV=production webpack",
         "build:commonjs": "tsc && yarn update_artifacts && copyfiles -u 2 './src/compact_artifacts/**/*.json' ./lib/src/compact_artifacts && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
@@ -61,12 +61,12 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0xproject/deployer": "^0.4.1",
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/migrations": "^0.0.3",
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/deployer": "^0.4.3",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/migrations": "^0.0.5",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/bintrees": "^1.0.2",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
@@ -93,17 +93,18 @@
         "tslint": "5.8.0",
         "typedoc": "0xProject/typedoc",
         "typescript": "2.7.1",
-        "web3-provider-engine": "^13.0.1",
+        "web3-provider-engine": "^14.0.4",
         "webpack": "^3.1.0"
     },
     "dependencies": {
-        "@0xproject/assert": "^0.2.7",
-        "@0xproject/base-contract": "^0.2.1",
-        "@0xproject/json-schemas": "^0.7.21",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/assert": "^0.2.9",
+        "@0xproject/base-contract": "^0.3.1",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/order-utils": "^0.0.4",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "bintrees": "^1.0.2",
         "bn.js": "^4.11.8",
         "ethereumjs-abi": "^0.6.4",
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts
index 94d97c23e..78f9f6beb 100644
--- a/packages/0x.js/src/0x.ts
+++ b/packages/0x.js/src/0x.ts
@@ -1,4 +1,11 @@
 import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import {
+    generatePseudoRandomSalt,
+    getOrderHashHex,
+    isValidOrderHash,
+    isValidSignature,
+    signOrderHashAsync,
+} from '@0xproject/order-utils';
 import { ECSignature, Order, Provider, SignedOrder, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
 import { AbiDecoder, BigNumber, intervalUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
@@ -19,7 +26,6 @@ import { OrderStateWatcherConfig, ZeroExConfig, ZeroExError } from './types';
 import { assert } from './utils/assert';
 import { constants } from './utils/constants';
 import { decorators } from './utils/decorators';
-import { signatureUtils } from './utils/signature_utils';
 import { utils } from './utils/utils';
 
 /**
@@ -33,7 +39,6 @@ export class ZeroEx {
      * this constant for your convenience.
      */
     public static NULL_ADDRESS = constants.NULL_ADDRESS;
-
     /**
      * An instance of the ExchangeWrapper class containing methods for interacting with the 0x Exchange smart contract.
      */
@@ -59,6 +64,15 @@ export class ZeroEx {
     public proxy: TokenTransferProxyWrapper;
     private _web3Wrapper: Web3Wrapper;
     /**
+     * Generates a pseudo-random 256-bit salt.
+     * The salt can be included in a 0x order, ensuring that the order generates a unique orderHash
+     * and will not collide with other outstanding orders that are identical in all other parameters.
+     * @return  A pseudo-random 256-bit number that can be used as a salt.
+     */
+    public static generatePseudoRandomSalt(): BigNumber {
+        return generatePseudoRandomSalt();
+    }
+    /**
      * Verifies that the elliptic curve signature `signature` was generated
      * by signing `data` with the private key corresponding to the `signerAddress` address.
      * @param   data          The hex encoded data signed by the supplied signature.
@@ -67,27 +81,15 @@ export class ZeroEx {
      * @return  Whether the signature is valid for the supplied signerAddress and data.
      */
     public static isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
-        assert.isHexString('data', data);
-        assert.doesConformToSchema('signature', signature, schemas.ecSignatureSchema);
-        assert.isETHAddressHex('signerAddress', signerAddress);
-        const normalizedSignerAddress = signerAddress.toLowerCase();
-
-        const isValidSignature = signatureUtils.isValidSignature(data, signature, normalizedSignerAddress);
-        return isValidSignature;
+        return isValidSignature(data, signature, signerAddress);
     }
     /**
-     * Generates a pseudo-random 256-bit salt.
-     * The salt can be included in a 0x order, ensuring that the order generates a unique orderHash
-     * and will not collide with other outstanding orders that are identical in all other parameters.
-     * @return  A pseudo-random 256-bit number that can be used as a salt.
+     * Computes the orderHash for a supplied order.
+     * @param   order   An object that conforms to the Order or SignedOrder interface definitions.
+     * @return  The resulting orderHash from hashing the supplied order.
      */
-    public static generatePseudoRandomSalt(): BigNumber {
-        // BigNumber.random returns a pseudo-random number between 0 & 1 with a passed in number of decimal places.
-        // Source: https://mikemcl.github.io/bignumber.js/#random
-        const randomNumber = BigNumber.random(constants.MAX_DIGITS_IN_UNSIGNED_256_INT);
-        const factor = new BigNumber(10).pow(constants.MAX_DIGITS_IN_UNSIGNED_256_INT - 1);
-        const salt = randomNumber.times(factor).round();
-        return salt;
+    public static getOrderHashHex(order: Order | SignedOrder): string {
+        return getOrderHashHex(order);
     }
     /**
      * Checks if the supplied hex encoded order hash is valid.
@@ -97,12 +99,7 @@ export class ZeroEx {
      * @return  Whether the supplied orderHash has the expected format.
      */
     public static isValidOrderHash(orderHash: string): boolean {
-        // Since this method can be called to check if any arbitrary string conforms to an orderHash's
-        // format, we only assert that we were indeed passed a string.
-        assert.isString('orderHash', orderHash);
-        const schemaValidator = new SchemaValidator();
-        const isValidOrderHash = schemaValidator.validate(orderHash, schemas.orderHashSchema).valid;
-        return isValidOrderHash;
+        return isValidOrderHash(orderHash);
     }
     /**
      * A unit amount is defined as the amount of a token above the specified decimal places (integer part).
@@ -133,17 +130,6 @@ export class ZeroEx {
         return baseUnitAmount;
     }
     /**
-     * Computes the orderHash for a supplied order.
-     * @param   order   An object that conforms to the Order or SignedOrder interface definitions.
-     * @return  The resulting orderHash from hashing the supplied order.
-     */
-    @decorators.syncZeroExErrorHandler
-    public static getOrderHashHex(order: Order | SignedOrder): string {
-        assert.doesConformToSchema('order', order, schemas.orderSchema);
-        const orderHashHex = utils.getOrderHashHex(order);
-        return orderHashHex;
-    }
-    /**
      * Instantiates a new ZeroEx instance that provides the public interface to the 0x.js library.
      * @param   provider    The Provider instance you would like the 0x.js library to use for interacting with
      *                      the Ethereum network.
@@ -205,6 +191,13 @@ export class ZeroEx {
         (this.etherToken as any)._setNetworkId(networkId);
     }
     /**
+     * Get the provider instance currently used by 0x.js
+     * @return  Web3 provider instance
+     */
+    public getProvider(): Provider {
+        return this._web3Wrapper.getProvider();
+    }
+    /**
      * Get user Ethereum addresses available through the supplied web3 provider available for sending transactions.
      * @return  An array of available user Ethereum addresses.
      */
@@ -229,41 +222,12 @@ export class ZeroEx {
         signerAddress: string,
         shouldAddPersonalMessagePrefix: boolean,
     ): Promise<ECSignature> {
-        assert.isHexString('orderHash', orderHash);
-        await assert.isSenderAddressAsync('signerAddress', signerAddress, this._web3Wrapper);
-        const normalizedSignerAddress = signerAddress.toLowerCase();
-
-        let msgHashHex = orderHash;
-        if (shouldAddPersonalMessagePrefix) {
-            const orderHashBuff = ethUtil.toBuffer(orderHash);
-            const msgHashBuff = ethUtil.hashPersonalMessage(orderHashBuff);
-            msgHashHex = ethUtil.bufferToHex(msgHashBuff);
-        }
-
-        const signature = await this._web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHashHex);
-
-        // HACK: There is no consensus on whether the signatureHex string should be formatted as
-        // v + r + s OR r + s + v, and different clients (even different versions of the same client)
-        // return the signature params in different orders. In order to support all client implementations,
-        // we parse the signature in both ways, and evaluate if either one is a valid signature.
-        const validVParamValues = [27, 28];
-        const ecSignatureVRS = signatureUtils.parseSignatureHexAsVRS(signature);
-        if (_.includes(validVParamValues, ecSignatureVRS.v)) {
-            const isValidVRSSignature = ZeroEx.isValidSignature(orderHash, ecSignatureVRS, normalizedSignerAddress);
-            if (isValidVRSSignature) {
-                return ecSignatureVRS;
-            }
-        }
-
-        const ecSignatureRSV = signatureUtils.parseSignatureHexAsRSV(signature);
-        if (_.includes(validVParamValues, ecSignatureRSV.v)) {
-            const isValidRSVSignature = ZeroEx.isValidSignature(orderHash, ecSignatureRSV, normalizedSignerAddress);
-            if (isValidRSVSignature) {
-                return ecSignatureRSV;
-            }
-        }
-
-        throw new Error(ZeroExError.InvalidSignature);
+        return signOrderHashAsync(
+            this._web3Wrapper.getProvider(),
+            orderHash,
+            signerAddress,
+            shouldAddPersonalMessagePrefix,
+        );
     }
     /**
      * Waits for a transaction to be mined and returns the transaction receipt.
diff --git a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
index 7cda70f16..6ddaaaf4f 100644
--- a/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/0x.js/src/contract_wrappers/exchange_wrapper.ts
@@ -1,4 +1,5 @@
 import { schemas } from '@0xproject/json-schemas';
+import { getOrderHashHex } from '@0xproject/order-utils';
 import {
     BlockParamLiteral,
     DecodedLogArgs,
@@ -570,7 +571,7 @@ export class ExchangeWrapper extends ContractWrapper {
             ? SHOULD_VALIDATE_BY_DEFAULT
             : orderTransactionOpts.shouldValidate;
         if (shouldValidate) {
-            const orderHash = utils.getOrderHashHex(order);
+            const orderHash = getOrderHashHex(order);
             const unavailableTakerTokenAmount = await this.getUnavailableTakerAmountAsync(orderHash);
             OrderValidationUtils.validateCancelOrderThrowIfInvalid(
                 order,
@@ -629,7 +630,7 @@ export class ExchangeWrapper extends ContractWrapper {
             : orderTransactionOpts.shouldValidate;
         if (shouldValidate) {
             for (const orderCancellationRequest of orderCancellationRequests) {
-                const orderHash = utils.getOrderHashHex(orderCancellationRequest.order);
+                const orderHash = getOrderHashHex(orderCancellationRequest.order);
                 const unavailableTakerTokenAmount = await this.getUnavailableTakerAmountAsync(orderHash);
                 OrderValidationUtils.validateCancelOrderThrowIfInvalid(
                     orderCancellationRequest.order,
@@ -801,7 +802,7 @@ export class ExchangeWrapper extends ContractWrapper {
     ): Promise<void> {
         assert.doesConformToSchema('order', order, schemas.orderSchema);
         assert.isValidBaseUnitAmount('cancelTakerTokenAmount', cancelTakerTokenAmount);
-        const orderHash = utils.getOrderHashHex(order);
+        const orderHash = getOrderHashHex(order);
         const unavailableTakerTokenAmount = await this.getUnavailableTakerAmountAsync(orderHash);
         OrderValidationUtils.validateCancelOrderThrowIfInvalid(
             order,
diff --git a/packages/0x.js/src/types.ts b/packages/0x.js/src/types.ts
index 151204928..ae9f98c5f 100644
--- a/packages/0x.js/src/types.ts
+++ b/packages/0x.js/src/types.ts
@@ -27,7 +27,6 @@ export enum ZeroExError {
     TokenContractDoesNotExist = 'TOKEN_CONTRACT_DOES_NOT_EXIST',
     UnhandledError = 'UNHANDLED_ERROR',
     UserHasNoAssociatedAddress = 'USER_HAS_NO_ASSOCIATED_ADDRESSES',
-    InvalidSignature = 'INVALID_SIGNATURE',
     ContractNotDeployedOnNetwork = 'CONTRACT_NOT_DEPLOYED_ON_NETWORK',
     InsufficientAllowanceForTransfer = 'INSUFFICIENT_ALLOWANCE_FOR_TRANSFER',
     InsufficientBalanceForTransfer = 'INSUFFICIENT_BALANCE_FOR_TRANSFER',
diff --git a/packages/0x.js/src/utils/assert.ts b/packages/0x.js/src/utils/assert.ts
index 5e8004cd0..2588a4d09 100644
--- a/packages/0x.js/src/utils/assert.ts
+++ b/packages/0x.js/src/utils/assert.ts
@@ -8,13 +8,13 @@ import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
 
-import { signatureUtils } from '../utils/signature_utils';
+import { isValidSignature } from '@0xproject/order-utils';
 
 export const assert = {
     ...sharedAssert,
     isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) {
-        const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress);
-        this.assert(isValidSignature, `Expected order with hash '${orderHash}' to have a valid signature`);
+        const isValid = isValidSignature(orderHash, ecSignature, signerAddress);
+        this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
     },
     async isSenderAddressAsync(
         variableName: string,
@@ -28,8 +28,4 @@ export const assert = {
             `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
         );
     },
-    async isUserAddressAvailableAsync(web3Wrapper: Web3Wrapper): Promise<void> {
-        const availableAddresses = await web3Wrapper.getAvailableAddressesAsync();
-        this.assert(!_.isEmpty(availableAddresses), 'No addresses were available on the provided web3 provider');
-    },
 };
diff --git a/packages/0x.js/src/utils/constants.ts b/packages/0x.js/src/utils/constants.ts
index 06beec8e2..07da6745d 100644
--- a/packages/0x.js/src/utils/constants.ts
+++ b/packages/0x.js/src/utils/constants.ts
@@ -3,7 +3,6 @@ import { BigNumber } from '@0xproject/utils';
 export const constants = {
     NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
     TESTRPC_NETWORK_ID: 50,
-    MAX_DIGITS_IN_UNSIGNED_256_INT: 78,
     INVALID_JUMP_PATTERN: 'invalid JUMP at',
     OUT_OF_GAS_PATTERN: 'out of gas',
     INVALID_TAKER_FORMAT: 'instance.taker is not of a type(s) string',
diff --git a/packages/0x.js/src/utils/exchange_transfer_simulator.ts b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
index 9a920c643..f8301f5c2 100644
--- a/packages/0x.js/src/utils/exchange_transfer_simulator.ts
+++ b/packages/0x.js/src/utils/exchange_transfer_simulator.ts
@@ -5,6 +5,7 @@ import * as _ from 'lodash';
 import { TokenWrapper } from '../contract_wrappers/token_wrapper';
 import { BalanceAndProxyAllowanceLazyStore } from '../stores/balance_proxy_allowance_lazy_store';
 import { ExchangeContractErrs, TradeSide, TransferType } from '../types';
+import { constants } from '../utils/constants';
 
 enum FailureReason {
     Balance = 'balance',
@@ -66,6 +67,13 @@ export class ExchangeTransferSimulator {
         tradeSide: TradeSide,
         transferType: TransferType,
     ): Promise<void> {
+        // HACK: When simulating an open order (e.g taker is NULL_ADDRESS), we don't want to adjust balances/
+        // allowances for the taker. We do however, want to increase the balance of the maker since the maker
+        // might be relying on those funds to fill subsequent orders or pay the order's fees.
+        if (from === constants.NULL_ADDRESS && tradeSide === TradeSide.Taker) {
+            await this._increaseBalanceAsync(tokenAddress, to, amountInBaseUnits);
+            return;
+        }
         const balance = await this._store.getBalanceAsync(tokenAddress, from);
         const proxyAllowance = await this._store.getProxyAllowanceAsync(tokenAddress, from);
         if (proxyAllowance.lessThan(amountInBaseUnits)) {
diff --git a/packages/0x.js/src/utils/order_validation_utils.ts b/packages/0x.js/src/utils/order_validation_utils.ts
index f32bf43d0..a13c3dc04 100644
--- a/packages/0x.js/src/utils/order_validation_utils.ts
+++ b/packages/0x.js/src/utils/order_validation_utils.ts
@@ -1,3 +1,4 @@
+import { getOrderHashHex, OrderError } from '@0xproject/order-utils';
 import { Order, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
@@ -113,7 +114,7 @@ export class OrderValidationUtils {
         zrxTokenAddress: string,
         expectedFillTakerTokenAmount?: BigNumber,
     ): Promise<void> {
-        const orderHash = utils.getOrderHashHex(signedOrder);
+        const orderHash = getOrderHashHex(signedOrder);
         const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
         OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
             signedOrder.takerTokenAmount,
@@ -124,31 +125,12 @@ export class OrderValidationUtils {
         if (!_.isUndefined(expectedFillTakerTokenAmount)) {
             fillTakerTokenAmount = expectedFillTakerTokenAmount;
         }
-        const fillMakerTokenAmount = OrderValidationUtils._getPartialAmount(
+        await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
+            exchangeTradeEmulator,
+            signedOrder,
             fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerTokenAmount,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
-            signedOrder.makerTokenAddress,
-            signedOrder.maker,
             signedOrder.taker,
-            fillMakerTokenAmount,
-            TradeSide.Maker,
-            TransferType.Trade,
-        );
-        const makerFeeAmount = OrderValidationUtils._getPartialAmount(
-            fillTakerTokenAmount,
-            signedOrder.takerTokenAmount,
-            signedOrder.makerFee,
-        );
-        await exchangeTradeEmulator.transferFromAsync(
             zrxTokenAddress,
-            signedOrder.maker,
-            signedOrder.feeRecipient,
-            makerFeeAmount,
-            TradeSide.Maker,
-            TransferType.Fee,
         );
     }
     public async validateFillOrderThrowIfInvalidAsync(
@@ -161,9 +143,9 @@ export class OrderValidationUtils {
         if (fillTakerTokenAmount.eq(0)) {
             throw new Error(ExchangeContractErrs.OrderFillAmountZero);
         }
-        const orderHash = utils.getOrderHashHex(signedOrder);
+        const orderHash = getOrderHashHex(signedOrder);
         if (!ZeroEx.isValidSignature(orderHash, signedOrder.ecSignature, signedOrder.maker)) {
-            throw new Error(ZeroExError.InvalidSignature);
+            throw new Error(OrderError.InvalidSignature);
         }
         const unavailableTakerTokenAmount = await this._exchangeWrapper.getUnavailableTakerAmountAsync(orderHash);
         OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
diff --git a/packages/0x.js/src/utils/signature_utils.ts b/packages/0x.js/src/utils/signature_utils.ts
deleted file mode 100644
index 46f167339..000000000
--- a/packages/0x.js/src/utils/signature_utils.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import { ECSignature } from '@0xproject/types';
-import * as ethUtil from 'ethereumjs-util';
-
-export const signatureUtils = {
-    isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
-        const dataBuff = ethUtil.toBuffer(data);
-        const msgHashBuff = ethUtil.hashPersonalMessage(dataBuff);
-        try {
-            const pubKey = ethUtil.ecrecover(
-                msgHashBuff,
-                signature.v,
-                ethUtil.toBuffer(signature.r),
-                ethUtil.toBuffer(signature.s),
-            );
-            const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
-            return retrievedAddress === signerAddress;
-        } catch (err) {
-            return false;
-        }
-    },
-    parseSignatureHexAsVRS(signatureHex: string): ECSignature {
-        const signatureBuffer = ethUtil.toBuffer(signatureHex);
-        let v = signatureBuffer[0];
-        if (v < 27) {
-            v += 27;
-        }
-        const r = signatureBuffer.slice(1, 33);
-        const s = signatureBuffer.slice(33, 65);
-        const ecSignature: ECSignature = {
-            v,
-            r: ethUtil.bufferToHex(r),
-            s: ethUtil.bufferToHex(s),
-        };
-        return ecSignature;
-    },
-    parseSignatureHexAsRSV(signatureHex: string): ECSignature {
-        const { v, r, s } = ethUtil.fromRpcSig(signatureHex);
-        const ecSignature: ECSignature = {
-            v,
-            r: ethUtil.bufferToHex(r),
-            s: ethUtil.bufferToHex(s),
-        };
-        return ecSignature;
-    },
-};
diff --git a/packages/0x.js/src/utils/utils.ts b/packages/0x.js/src/utils/utils.ts
index c8bcd907e..af1125632 100644
--- a/packages/0x.js/src/utils/utils.ts
+++ b/packages/0x.js/src/utils/utils.ts
@@ -1,59 +1,9 @@
-import { Order, SignedOrder, SolidityTypes } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
-import BN = require('bn.js');
-import * as ethABI from 'ethereumjs-abi';
-import * as ethUtil from 'ethereumjs-util';
-import * as _ from 'lodash';
 
 export const utils = {
-    /**
-     * Converts BigNumber instance to BN
-     * The only reason we convert to BN is to remain compatible with `ethABI. soliditySHA3` that
-     * expects values of Solidity type `uint` to be passed as type `BN`.
-     * We do not use BN anywhere else in the codebase.
-     */
-    bigNumberToBN(value: BigNumber) {
-        return new BN(value.toString(), 10);
-    },
     spawnSwitchErr(name: string, value: any): Error {
         return new Error(`Unexpected switch value: ${value} encountered for ${name}`);
     },
-    getOrderHashHex(order: Order | SignedOrder): string {
-        const orderParts = [
-            { value: order.exchangeContractAddress, type: SolidityTypes.Address },
-            { value: order.maker, type: SolidityTypes.Address },
-            { value: order.taker, type: SolidityTypes.Address },
-            { value: order.makerTokenAddress, type: SolidityTypes.Address },
-            { value: order.takerTokenAddress, type: SolidityTypes.Address },
-            { value: order.feeRecipient, type: SolidityTypes.Address },
-            {
-                value: utils.bigNumberToBN(order.makerTokenAmount),
-                type: SolidityTypes.Uint256,
-            },
-            {
-                value: utils.bigNumberToBN(order.takerTokenAmount),
-                type: SolidityTypes.Uint256,
-            },
-            {
-                value: utils.bigNumberToBN(order.makerFee),
-                type: SolidityTypes.Uint256,
-            },
-            {
-                value: utils.bigNumberToBN(order.takerFee),
-                type: SolidityTypes.Uint256,
-            },
-            {
-                value: utils.bigNumberToBN(order.expirationUnixTimestampSec),
-                type: SolidityTypes.Uint256,
-            },
-            { value: utils.bigNumberToBN(order.salt), type: SolidityTypes.Uint256 },
-        ];
-        const types = _.map(orderParts, o => o.type);
-        const values = _.map(orderParts, o => o.value);
-        const hashBuff = ethABI.soliditySHA3(types, values);
-        const hashHex = ethUtil.bufferToHex(hashBuff);
-        return hashHex;
-    },
     getCurrentUnixTimestampSec(): BigNumber {
         return new BigNumber(Date.now() / 1000).round();
     },
diff --git a/packages/0x.js/test/0x.js_test.ts b/packages/0x.js/test/0x.js_test.ts
index 838ee7080..6dccdaea7 100644
--- a/packages/0x.js/test/0x.js_test.ts
+++ b/packages/0x.js/test/0x.js_test.ts
@@ -17,8 +17,6 @@ const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
 chaiSetup.configure();
 const expect = chai.expect;
 
-const SHOULD_ADD_PERSONAL_MESSAGE_PREFIX = false;
-
 describe('ZeroEx library', () => {
     let zeroEx: ZeroEx;
     before(async () => {
@@ -63,14 +61,12 @@ describe('ZeroEx library', () => {
         };
         const address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
         it("should return false if the data doesn't pertain to the signature & address", async () => {
-            expect(ZeroEx.isValidSignature('0x0', signature, address)).to.be.false();
             return expect(
                 (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync('0x0', signature, address),
             ).to.become(false);
         });
         it("should return false if the address doesn't pertain to the signature & data", async () => {
             const validUnrelatedAddress = '0x8b0292b11a196601ed2ce54b665cafeca0347d42';
-            expect(ZeroEx.isValidSignature(dataHex, signature, validUnrelatedAddress)).to.be.false();
             return expect(
                 (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(
                     dataHex,
@@ -81,45 +77,16 @@ describe('ZeroEx library', () => {
         });
         it("should return false if the signature doesn't pertain to the dataHex & address", async () => {
             const wrongSignature = _.assign({}, signature, { v: 28 });
-            expect(ZeroEx.isValidSignature(dataHex, wrongSignature, address)).to.be.false();
             return expect(
                 (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, wrongSignature, address),
             ).to.become(false);
         });
         it('should return true if the signature does pertain to the dataHex & address', async () => {
-            const isValidSignatureLocal = ZeroEx.isValidSignature(dataHex, signature, address);
-            expect(isValidSignatureLocal).to.be.true();
             return expect(
                 (zeroEx.exchange as any)._isValidSignatureUsingContractCallAsync(dataHex, signature, address),
             ).to.become(true);
         });
     });
-    describe('#generateSalt', () => {
-        it('generates different salts', () => {
-            const equal = ZeroEx.generatePseudoRandomSalt().eq(ZeroEx.generatePseudoRandomSalt());
-            expect(equal).to.be.false();
-        });
-        it('generates salt in range [0..2^256)', () => {
-            const salt = ZeroEx.generatePseudoRandomSalt();
-            expect(salt.greaterThanOrEqualTo(0)).to.be.true();
-            const twoPow256 = new BigNumber(2).pow(256);
-            expect(salt.lessThan(twoPow256)).to.be.true();
-        });
-    });
-    describe('#isValidOrderHash', () => {
-        it('returns false if the value is not a hex string', () => {
-            const isValid = ZeroEx.isValidOrderHash('not a hex');
-            expect(isValid).to.be.false();
-        });
-        it('returns false if the length is wrong', () => {
-            const isValid = ZeroEx.isValidOrderHash('0xdeadbeef');
-            expect(isValid).to.be.false();
-        });
-        it('returns true if order hash is correct', () => {
-            const isValid = ZeroEx.isValidOrderHash('0x' + Array(65).join('0'));
-            expect(isValid).to.be.true();
-        });
-    });
     describe('#toUnitAmount', () => {
         it('should throw if invalid baseUnit amount supplied as argument', () => {
             const invalidBaseUnitAmount = new BigNumber(1000000000.4);
@@ -152,106 +119,6 @@ describe('ZeroEx library', () => {
             );
         });
     });
-    describe('#getOrderHashHex', () => {
-        const expectedOrderHash = '0x39da987067a3c9e5f1617694f1301326ba8c8b0498ebef5df4863bed394e3c83';
-        const fakeExchangeContractAddress = '0xb69e673309512a9d726f87304c6984054f87a93b';
-        const order: Order = {
-            maker: constants.NULL_ADDRESS,
-            taker: constants.NULL_ADDRESS,
-            feeRecipient: constants.NULL_ADDRESS,
-            makerTokenAddress: constants.NULL_ADDRESS,
-            takerTokenAddress: constants.NULL_ADDRESS,
-            exchangeContractAddress: fakeExchangeContractAddress,
-            salt: new BigNumber(0),
-            makerFee: new BigNumber(0),
-            takerFee: new BigNumber(0),
-            makerTokenAmount: new BigNumber(0),
-            takerTokenAmount: new BigNumber(0),
-            expirationUnixTimestampSec: new BigNumber(0),
-        };
-        it('calculates the order hash', async () => {
-            const orderHash = ZeroEx.getOrderHashHex(order);
-            expect(orderHash).to.be.equal(expectedOrderHash);
-        });
-        it('throws a readable error message if taker format is invalid', async () => {
-            const orderWithInvalidtakerFormat = {
-                ...order,
-                taker: (null as any) as string,
-            };
-            const expectedErrorMessage =
-                'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
-            expect(() => ZeroEx.getOrderHashHex(orderWithInvalidtakerFormat)).to.throw(expectedErrorMessage);
-        });
-    });
-    describe('#signOrderHashAsync', () => {
-        let stubs: Sinon.SinonStub[] = [];
-        let makerAddress: string;
-        before(async () => {
-            const availableAddreses = await zeroEx.getAvailableAddressesAsync();
-            makerAddress = availableAddreses[0];
-        });
-        afterEach(() => {
-            // clean up any stubs after the test has completed
-            _.each(stubs, s => s.restore());
-            stubs = [];
-        });
-        it('Should return the correct ECSignature', async () => {
-            const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
-            const expectedECSignature = {
-                v: 27,
-                r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
-                s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
-            };
-            const ecSignature = await zeroEx.signOrderHashAsync(
-                orderHash,
-                makerAddress,
-                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
-            );
-            expect(ecSignature).to.deep.equal(expectedECSignature);
-        });
-        it('should return the correct ECSignature for signatureHex concatenated as R + S + V', async () => {
-            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
-            const signature =
-                '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb021b';
-            const expectedECSignature = {
-                v: 27,
-                r: '0x22109d11d79cb8bf96ed88625e1cd9558800c4073332a9a02857499883ee5ce3',
-                s: '0x050aa3cc1f2c435e67e114cdce54b9527b4f50548342401bc5d2b77adbdacb02',
-            };
-            stubs = [
-                Sinon.stub((zeroEx as any)._web3Wrapper, 'signMessageAsync').returns(Promise.resolve(signature)),
-                Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
-            ];
-
-            const ecSignature = await zeroEx.signOrderHashAsync(
-                orderHash,
-                makerAddress,
-                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
-            );
-            expect(ecSignature).to.deep.equal(expectedECSignature);
-        });
-        it('should return the correct ECSignature for signatureHex concatenated as V + R + S', async () => {
-            const orderHash = '0xc793e33ffded933b76f2f48d9aa3339fc090399d5e7f5dec8d3660f5480793f7';
-            const signature =
-                '0x1bc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee02dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960';
-            const expectedECSignature = {
-                v: 27,
-                r: '0xc80bedc6756722672753413efdd749b5adbd4fd552595f59c13427407ee9aee0',
-                s: '0x2dea66f25a608bbae457e020fb6decb763deb8b7192abab624997242da248960',
-            };
-            stubs = [
-                Sinon.stub((zeroEx as any)._web3Wrapper, 'signMessageAsync').returns(Promise.resolve(signature)),
-                Sinon.stub(ZeroEx, 'isValidSignature').returns(true),
-            ];
-
-            const ecSignature = await zeroEx.signOrderHashAsync(
-                orderHash,
-                makerAddress,
-                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
-            );
-            expect(ecSignature).to.deep.equal(expectedECSignature);
-        });
-    });
     describe('#awaitTransactionMinedAsync', () => {
         beforeEach(async () => {
             await blockchainLifecycle.startAsync();
diff --git a/packages/0x.js/test/assert_test.ts b/packages/0x.js/test/assert_test.ts
index b08f3e23b..e69de29bb 100644
--- a/packages/0x.js/test/assert_test.ts
+++ b/packages/0x.js/test/assert_test.ts
@@ -1,43 +0,0 @@
-import { web3Factory } from '@0xproject/dev-utils';
-import * as chai from 'chai';
-import 'mocha';
-
-import { ZeroEx } from '../src';
-import { assert } from '../src/utils/assert';
-
-import { constants } from './utils/constants';
-import { provider } from './utils/web3_wrapper';
-
-const expect = chai.expect;
-
-describe('Assertion library', () => {
-    const config = {
-        networkId: constants.TESTRPC_NETWORK_ID,
-    };
-    const zeroEx = new ZeroEx(provider, config);
-    describe('#isSenderAddressHexAsync', () => {
-        it('throws when address is invalid', async () => {
-            const address = '0xdeadbeef';
-            const varName = 'address';
-            return expect(
-                assert.isSenderAddressAsync(varName, address, (zeroEx as any)._web3Wrapper),
-            ).to.be.rejectedWith(`Expected ${varName} to be of type ETHAddressHex, encountered: ${address}`);
-        });
-        it('throws when address is unavailable', async () => {
-            const validUnrelatedAddress = '0x8b0292b11a196601eddce54b665cafeca0347d42';
-            const varName = 'address';
-            return expect(
-                assert.isSenderAddressAsync(varName, validUnrelatedAddress, (zeroEx as any)._web3Wrapper),
-            ).to.be.rejectedWith(
-                `Specified ${varName} ${validUnrelatedAddress} isn't available through the supplied web3 provider`,
-            );
-        });
-        it("doesn't throw if address is available", async () => {
-            const availableAddress = (await zeroEx.getAvailableAddressesAsync())[0];
-            const varName = 'address';
-            return expect(
-                assert.isSenderAddressAsync(varName, availableAddress, (zeroEx as any)._web3Wrapper),
-            ).to.become(undefined);
-        });
-    });
-});
diff --git a/packages/0x.js/test/order_validation_test.ts b/packages/0x.js/test/order_validation_test.ts
index c894774b8..0cb95c1b6 100644
--- a/packages/0x.js/test/order_validation_test.ts
+++ b/packages/0x.js/test/order_validation_test.ts
@@ -1,4 +1,5 @@
 import { BlockchainLifecycle, devConstants } from '@0xproject/dev-utils';
+import { OrderError } from '@0xproject/order-utils';
 import { BlockParamLiteral } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as chai from 'chai';
@@ -68,6 +69,40 @@ describe('OrderValidation', () => {
             );
             await zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder);
         });
+        it('should succeed if the maker is buying ZRX and has no ZRX balance', async () => {
+            const makerFee = new BigNumber(2);
+            const takerFee = new BigNumber(2);
+            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
+                makerTokenAddress,
+                zrxTokenAddress,
+                makerFee,
+                takerFee,
+                makerAddress,
+                takerAddress,
+                fillableAmount,
+                feeRecipient,
+            );
+            const zrxMakerBalance = await zeroEx.token.getBalanceAsync(zrxTokenAddress, makerAddress);
+            await zeroEx.token.transferAsync(zrxTokenAddress, makerAddress, takerAddress, zrxMakerBalance);
+            await zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder);
+        });
+        it('should succeed if the maker is buying ZRX and has no ZRX balance and there is no specified taker', async () => {
+            const makerFee = new BigNumber(2);
+            const takerFee = new BigNumber(2);
+            const signedOrder = await fillScenarios.createFillableSignedOrderWithFeesAsync(
+                makerTokenAddress,
+                zrxTokenAddress,
+                makerFee,
+                takerFee,
+                makerAddress,
+                constants.NULL_ADDRESS,
+                fillableAmount,
+                feeRecipient,
+            );
+            const zrxMakerBalance = await zeroEx.token.getBalanceAsync(zrxTokenAddress, makerAddress);
+            await zeroEx.token.transferAsync(zrxTokenAddress, makerAddress, takerAddress, zrxMakerBalance);
+            await zeroEx.exchange.validateOrderFillableOrThrowAsync(signedOrder);
+        });
         it('should succeed if the order is asymmetric and fillable', async () => {
             const makerFillableAmount = fillableAmount;
             const takerFillableAmount = fillableAmount.minus(4);
@@ -135,7 +170,7 @@ describe('OrderValidation', () => {
             signedOrder.ecSignature.v = 28 - signedOrder.ecSignature.v + 27;
             return expect(
                 zeroEx.exchange.validateFillOrderThrowIfInvalidAsync(signedOrder, fillableAmount, takerAddress),
-            ).to.be.rejectedWith(ZeroExError.InvalidSignature);
+            ).to.be.rejectedWith(OrderError.InvalidSignature);
         });
         it('should throw when the order is fully filled or cancelled', async () => {
             const signedOrder = await fillScenarios.createFillableSignedOrderAsync(
@@ -469,4 +504,4 @@ describe('OrderValidation', () => {
             expect(partialTakerFee).to.be.bignumber.equal(takerPartialFee);
         });
     });
-});
+}); // tslint:disable-line:max-file-line-count
diff --git a/packages/0x.js/test/utils/fill_scenarios.ts b/packages/0x.js/test/utils/fill_scenarios.ts
index 7d0e8c501..5a82a56d2 100644
--- a/packages/0x.js/test/utils/fill_scenarios.ts
+++ b/packages/0x.js/test/utils/fill_scenarios.ts
@@ -1,10 +1,10 @@
+import { orderFactory } from '@0xproject/order-utils';
 import { BigNumber } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 
 import { SignedOrder, Token, ZeroEx } from '../../src';
 import { artifacts } from '../../src/artifacts';
 import { DummyTokenContract } from '../../src/contract_wrappers/generated/dummy_token';
-import { orderFactory } from '../utils/order_factory';
 
 import { constants } from './constants';
 
@@ -164,7 +164,7 @@ export class FillScenarios {
         ]);
 
         const signedOrder = await orderFactory.createSignedOrderAsync(
-            this._zeroEx,
+            this._zeroEx.getProvider(),
             makerAddress,
             takerAddress,
             makerFee,
diff --git a/packages/0x.js/test/utils/web3_wrapper.ts b/packages/0x.js/test/utils/web3_wrapper.ts
index b7b3f0b7f..b0ccfa546 100644
--- a/packages/0x.js/test/utils/web3_wrapper.ts
+++ b/packages/0x.js/test/utils/web3_wrapper.ts
@@ -1,9 +1,6 @@
 import { devConstants, web3Factory } from '@0xproject/dev-utils';
 import { Provider } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import * as Web3 from 'web3';
-
-import { constants } from './constants';
 
 const web3 = web3Factory.create({ shouldUseInProcessGanache: true });
 const provider: Provider = web3.currentProvider;
diff --git a/packages/abi-gen/CHANGELOG.json b/packages/abi-gen/CHANGELOG.json
index 55c03bf69..4dada9cc1 100644
--- a/packages/abi-gen/CHANGELOG.json
+++ b/packages/abi-gen/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.2.13",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.2.12",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.2.11",
         "changes": [
diff --git a/packages/abi-gen/CHANGELOG.md b/packages/abi-gen/CHANGELOG.md
index 6cad7a745..803414e14 100644
--- a/packages/abi-gen/CHANGELOG.md
+++ b/packages/abi-gen/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.2.13 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.2.12 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.2.11 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.2.10 - _April 12, 2018_
+## v0.2.10 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,26 +29,26 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.2.5 - _March 18, 2018_
+## v0.2.5 - _March 17, 2018_
 
     * Consolidate all `console.log` calls into `logUtils` in the `@0xproject/utils` package (#452)
 
-## v0.2.4 - _March 4, 2018_
+## v0.2.4 - _March 3, 2018_
 
     * Add a `backend` parameter that allows you to specify the Ethereum library you use in your templates (`web3` or `ethers`). Ethers auto-converts small ints to numbers whereas Web3 doesn't. Defaults to `web3` (#413)
     * Add support for [tuple types](https://solidity.readthedocs.io/en/develop/abi-spec.html#handling-tuple-types) (#413)
     * Add `hasReturnValue` to context data (#413)
 
-## v0.2.1 - _February 9, 2018_
+## v0.2.1 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.2.0 - _February 7, 2018_
+## v0.2.0 - _February 6, 2018_
 
     * Added CLI options for explicit specifying location of partials and main template (#346)
     * Added CLI option to specify networkId, adding support for the JSON artifact format found in @0xproject/contracts (#388)
 
-## v0.1.0 - _January 11, 2018_
+## v0.1.0 - _January 10, 2018_
 
     * Fixed array typings with union types (#295)
     * Add event ABIs to context data passed to templates (#302)
diff --git a/packages/abi-gen/package.json b/packages/abi-gen/package.json
index f8e1eb112..0ee7e1979 100644
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/abi-gen",
-    "version": "0.2.11",
+    "version": "0.2.13",
     "description": "Generate contract wrappers from ABI and handlebars templates",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -24,9 +24,9 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen/README.md",
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "chalk": "^2.3.0",
         "glob": "^7.1.2",
         "handlebars": "^4.0.11",
@@ -36,8 +36,8 @@
         "yargs": "^10.0.3"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/glob": "^5.0.33",
         "@types/handlebars": "^4.0.36",
         "@types/mkdirp": "^0.5.1",
diff --git a/packages/abi-gen/src/index.ts b/packages/abi-gen/src/index.ts
index ecef33b16..7125171b9 100644
--- a/packages/abi-gen/src/index.ts
+++ b/packages/abi-gen/src/index.ts
@@ -108,8 +108,8 @@ for (const abiFileName of abiFileNames) {
         ABI = parsedContent; // ABI file
     } else if (!_.isUndefined(parsedContent.abi)) {
         ABI = parsedContent.abi; // Truffle artifact
-    } else if (!_.isUndefined(parsedContent.networks) && !_.isUndefined(parsedContent.networks[args.networkId])) {
-        ABI = parsedContent.networks[args.networkId].abi; // 0x contracts package artifact
+    } else if (!_.isUndefined(parsedContent.compilerOutput.abi)) {
+        ABI = parsedContent.compilerOutput.abi; // 0x artifact
     }
     if (_.isUndefined(ABI)) {
         logUtils.log(`${chalk.red(`ABI not found in ${abiFileName}.`)}`);
diff --git a/packages/assert/CHANGELOG.json b/packages/assert/CHANGELOG.json
index fbd663f8e..f826c7675 100644
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.2.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.2.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.2.7",
         "changes": [
diff --git a/packages/assert/CHANGELOG.md b/packages/assert/CHANGELOG.md
index 1daa9205e..ab058b9fc 100644
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.2.9 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.2.8 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.2.7 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.2.6 - _April 12, 2018_
+## v0.2.6 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,20 +29,20 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.2.0 - _March 8, 2018_
+## v0.2.0 - _March 7, 2018_
 
     * Rename `isHttpUrl` to `isWebUri` (#412)
 
-## v0.1.0 - _March 4, 2018_
+## v0.1.0 - _March 3, 2018_
 
     * Remove isETHAddressHex checksum address check and assume address will be lowercased  (#373)
     * Add an optional parameter `subSchemas` to `doesConformToSchema` method (#385)
 
-## v0.0.18 - _February 9, 2017_
+## v0.0.18 - _February 8, 2017_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.0.4 - _November 14, 2017_
+## v0.0.4 - _November 13, 2017_
 
     * Re-publish Assert previously published under NPM package @0xproject/0x-assert
     * Added assertion isValidBaseUnitAmount which checks both that the value is a valid bigNumber and that it does not contain decimals.
diff --git a/packages/assert/package.json b/packages/assert/package.json
index e0e7a0d4c..e02e018ae 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/assert",
-    "version": "0.2.7",
+    "version": "0.2.9",
     "description": "Provides a standard way of performing type and schema validation across 0x projects",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -27,8 +27,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/assert/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/valid-url": "^1.0.2",
@@ -43,9 +43,9 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/json-schemas": "^0.7.21",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "lodash": "^4.17.4",
         "valid-url": "^1.0.9"
     },
diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index c5d467b7f..106c26989 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,12 +1,22 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.3.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "0.3.0",
         "changes": [
             {
                 "note": "Update ethers-contracts to ethers.js",
                 "pr": 540
             }
-        ]
+        ],
+        "timestamp": 1525428773
     },
     {
         "timestamp": 1524044013,
diff --git a/packages/base-contract/CHANGELOG.md b/packages/base-contract/CHANGELOG.md
index 90f1ff5ed..b57bd5fc0 100644
--- a/packages/base-contract/CHANGELOG.md
+++ b/packages/base-contract/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.3.1 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.3.0 - _May 4, 2018_
+
+    * Update ethers-contracts to ethers.js (#540)
+
 ## v0.2.1 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.2.0 - _April 12, 2018_
+## v0.2.0 - _April 11, 2018_
 
     * Contract wrappers now accept Provider and defaults instead of Web3Wrapper (#501)
 
@@ -23,6 +31,6 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.0.2 - _March 4, 2018_
+## v0.0.2 - _March 3, 2018_
 
     * Initial release
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 78dcbfe7f..90253616b 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/base-contract",
-    "version": "0.2.1",
+    "version": "0.3.1",
     "description": "0x Base TS contract",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -26,8 +26,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/base-contract/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "chai": "^4.0.1",
         "copyfiles": "^1.2.0",
@@ -38,10 +38,10 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "ethers": "^3.0.15",
         "lodash": "^4.17.4"
     },
diff --git a/packages/connect/CHANGELOG.json b/packages/connect/CHANGELOG.json
index 2f9a1d9d4..dd172e975 100644
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.6.12",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.6.11",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.6.10",
         "changes": [
diff --git a/packages/connect/CHANGELOG.md b/packages/connect/CHANGELOG.md
index 86b66f60c..4e118de38 100644
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.6.12 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.6.11 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.6.10 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.6.9 - _April 12, 2018_
+## v0.6.9 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,44 +29,44 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.6.4 - _March 18, 2018_
+## v0.6.4 - _March 17, 2018_
 
     * Consolidate `Order`, `SignedOrder`, and `ECSignature` into the `@0xproject/types` package (#456)
 
-## v0.6.2 - _February 16, 2018_
+## v0.6.2 - _February 15, 2018_
 
     * Fix JSON parse empty response (#407)
 
-## v0.6.0 - _February 16, 2018_
+## v0.6.0 - _February 15, 2018_
 
     * Add pagination options to HttpClient methods (#393)
     * Add heartbeat configuration to WebSocketOrderbookChannel constructor (#406)
 
-## v0.5.7 - _February 9, 2018_
+## v0.5.7 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.5.0 - _January 17, 2018_
+## v0.5.0 - _January 16, 2018_
 
     * Sanitize api endpoint url and remove trailing slashes (#318)
     * Improve error message text in HttpClient (#318)
     * Stop appending '/v0' to api endpoint url in HttpClient (#318)
 
-## v0.4.0 - _January 11, 2018_
+## v0.4.0 - _January 10, 2018_
 
     * Prevent getFeesAsync method on HttpClient from mutating input (#296)
 
-## v0.3.0 - _December 8, 2017_
+## v0.3.0 - _December 7, 2017_
 
     * Expose WebSocketOrderbookChannel and associated types to public interface (#251)
     * Remove tokenA and tokenB fields from OrdersRequest (#256)
 
-## v0.2.0 - _November 29, 2017_
+## v0.2.0 - _November 28, 2017_
 
     * Add SignedOrder and TokenTradeInfo to the public interface
     * Add ECSignature and Order to the public interface
     * Remove dependency on 0x.js
 
-## v0.1.0 - _November 22, 2017_
+## v0.1.0 - _November 21, 2017_
 
     * Provide a HttpClient class for interacting with standard relayer api compliant HTTP urls
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 16e33efef..efc61178f 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/connect",
-    "version": "0.6.10",
+    "version": "0.6.12",
     "description": "A javascript library for interacting with the standard relayer api",
     "keywords": [
         "connect",
@@ -50,19 +50,19 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/connect/README.md",
     "dependencies": {
-        "@0xproject/assert": "^0.2.7",
-        "@0xproject/json-schemas": "^0.7.21",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/assert": "^0.2.9",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "isomorphic-fetch": "^2.2.1",
         "lodash": "^4.17.4",
         "query-string": "^5.0.1",
         "websocket": "^1.0.25"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/fetch-mock": "^5.12.1",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
diff --git a/packages/contracts/compiler.json b/packages/contracts/compiler.json
new file mode 100644
index 000000000..493d6373d
--- /dev/null
+++ b/packages/contracts/compiler.json
@@ -0,0 +1,33 @@
+{
+    "artifactsDir": "../migrations/artifacts/1.0.0",
+    "contractsDir": "src/contracts",
+    "compilerSettings": {
+        "outputSelection": {
+            "*": {
+                "*": [
+                    "abi",
+                    "evm.bytecode.object",
+                    "evm.bytecode.sourceMap",
+                    "evm.deployedBytecode.object",
+                    "evm.deployedBytecode.sourceMap"
+                ]
+            }
+        }
+    },
+    "contracts": [
+        "Exchange",
+        "DummyToken",
+        "ZRXToken",
+        "Token",
+        "WETH9",
+        "TokenTransferProxy",
+        "MultiSigWallet",
+        "MultiSigWalletWithTimeLock",
+        "MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress",
+        "MaliciousToken",
+        "TokenRegistry",
+        "Arbitrage",
+        "EtherDelta",
+        "AccountLevels"
+    ]
+}
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 30867476f..c47518f17 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "contracts",
-    "version": "2.1.25",
+    "version": "2.1.28",
     "description": "Smart contract components of 0x protocol",
     "main": "index.js",
     "directories": {
@@ -10,13 +10,13 @@
     "scripts": {
         "build:watch": "tsc -w",
         "prebuild": "run-s clean compile copy_artifacts generate_contract_wrappers",
-        "copy_artifacts": "copyfiles -u 4 '../migrations/src/artifacts/**/*' ./lib/src/artifacts;",
+        "copy_artifacts": "copyfiles -u 4 '../migrations/artifacts/1.0.0/**/*' ./lib/src/artifacts;",
         "build": "tsc",
         "test": "run-s build run_mocha",
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
         "run_mocha": "mocha 'lib/test/**/*.js' --timeout 100000 --bail --exit",
         "compile:comment": "Yarn workspaces do not link binaries correctly so we need to reference them directly https://github.com/yarnpkg/yarn/issues/3846",
-        "compile": "node ../deployer/lib/src/cli.js compile --contracts ${npm_package_config_contracts} --contracts-dir src/contracts --artifacts-dir ../migrations/src/artifacts",
+        "compile": "node ../deployer/lib/src/cli.js compile",
         "clean": "shx rm -rf ./lib",
         "generate_contract_wrappers": "node ../abi-gen/lib/index.js --abis  ${npm_package_config_abis} --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers/generated --backend ethers && prettier --write 'src/contract_wrappers/generated/**.ts'",
         "lint": "tslint --project . 'migrations/**/*.ts' 'test/**/*.ts' 'util/**/*.ts' 'deploy/**/*.ts'",
@@ -26,8 +26,7 @@
         "test:circleci": "yarn test:coverage"
     },
     "config": {
-        "abis": "../migrations/src/artifacts/@(DummyToken|TokenTransferProxy|Exchange|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|Arbitrage|EtherDelta|AccountLevels).json",
-        "contracts": "Exchange,DummyToken,ZRXToken,Token,WETH9,TokenTransferProxy,MultiSigWallet,MultiSigWalletWithTimeLock,MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress,MaliciousToken,TokenRegistry,Arbitrage,EtherDelta,AccountLevels"
+        "abis": "../migrations/artifacts/1.0.0/@(DummyToken|TokenTransferProxy|Exchange|TokenRegistry|MultiSigWallet|MultiSigWalletWithTimeLock|MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddress|TokenRegistry|ZRXToken|Arbitrage|EtherDelta|AccountLevels).json"
     },
     "repository": {
         "type": "git",
@@ -40,8 +39,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/contracts/README.md",
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "@types/node": "^8.0.53",
         "@types/yargs": "^10.0.0",
@@ -60,12 +59,12 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "0x.js": "^0.36.3",
-        "@0xproject/deployer": "^0.4.1",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "0x.js": "^0.37.2",
+        "@0xproject/deployer": "^0.4.3",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "bn.js": "^4.11.8",
         "ethereumjs-abi": "^0.6.4",
         "ethereumjs-util": "^5.1.1",
diff --git a/packages/contracts/test/multi_sig_with_time_lock.ts b/packages/contracts/test/multi_sig_with_time_lock.ts
index b7604457f..5cc744713 100644
--- a/packages/contracts/test/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock.ts
@@ -17,7 +17,7 @@ import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
 import { provider, web3Wrapper } from './utils/web3_wrapper';
 
-const MULTI_SIG_ABI = artifacts.MultiSigWalletWithTimeLockArtifact.networks[constants.TESTRPC_NETWORK_ID].abi;
+const MULTI_SIG_ABI = artifacts.MultiSigWalletWithTimeLockArtifact.compilerOutput.abi;
 chaiSetup.configure();
 const expect = chai.expect;
 const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
diff --git a/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts b/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
index 2f928ede2..06fa30d96 100644
--- a/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
+++ b/packages/contracts/test/multi_sig_with_time_lock_except_remove_auth_addr.ts
@@ -17,10 +17,9 @@ import { ContractName, SubmissionContractEventArgs, TransactionDataParams } from
 import { chaiSetup } from './utils/chai_setup';
 import { deployer } from './utils/deployer';
 import { provider, web3Wrapper } from './utils/web3_wrapper';
-const PROXY_ABI = artifacts.TokenTransferProxyArtifact.networks[constants.TESTRPC_NETWORK_ID].abi;
+const PROXY_ABI = artifacts.TokenTransferProxyArtifact.compilerOutput.abi;
 const MUTISIG_WALLET_WITH_TIME_LOCK_EXCEPT_REMOVE_AUTHORIZED_ADDRESS_ABI =
-    artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact.networks[constants.TESTRPC_NETWORK_ID]
-        .abi;
+    artifacts.MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact.compilerOutput.abi;
 
 chaiSetup.configure();
 const expect = chai.expect;
diff --git a/packages/contracts/util/artifacts.ts b/packages/contracts/util/artifacts.ts
index 7c375c1b7..a1d6e5060 100644
--- a/packages/contracts/util/artifacts.ts
+++ b/packages/contracts/util/artifacts.ts
@@ -1,3 +1,5 @@
+import { ContractArtifact } from '@0xproject/deployer';
+
 import * as DummyTokenArtifact from '../src/artifacts/DummyToken.json';
 import * as ExchangeArtifact from '../src/artifacts/Exchange.json';
 import * as MaliciousTokenArtifact from '../src/artifacts/MaliciousToken.json';
@@ -9,17 +11,15 @@ import * as TokenTransferProxyArtifact from '../src/artifacts/TokenTransferProxy
 import * as EtherTokenArtifact from '../src/artifacts/WETH9.json';
 import * as ZRXArtifact from '../src/artifacts/ZRXToken.json';
 
-import { Artifact } from './types';
-
 export const artifacts = {
-    ZRXArtifact: (ZRXArtifact as any) as Artifact,
-    DummyTokenArtifact: (DummyTokenArtifact as any) as Artifact,
-    TokenArtifact: (TokenArtifact as any) as Artifact,
-    ExchangeArtifact: (ExchangeArtifact as any) as Artifact,
-    EtherTokenArtifact: (EtherTokenArtifact as any) as Artifact,
-    TokenRegistryArtifact: (TokenRegistryArtifact as any) as Artifact,
-    MaliciousTokenArtifact: (MaliciousTokenArtifact as any) as Artifact,
-    TokenTransferProxyArtifact: (TokenTransferProxyArtifact as any) as Artifact,
-    MultiSigWalletWithTimeLockArtifact: (MultiSigWalletWithTimeLockArtifact as any) as Artifact,
-    MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact: (MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact as any) as Artifact,
+    ZRXArtifact: (ZRXArtifact as any) as ContractArtifact,
+    DummyTokenArtifact: (DummyTokenArtifact as any) as ContractArtifact,
+    TokenArtifact: (TokenArtifact as any) as ContractArtifact,
+    ExchangeArtifact: (ExchangeArtifact as any) as ContractArtifact,
+    EtherTokenArtifact: (EtherTokenArtifact as any) as ContractArtifact,
+    TokenRegistryArtifact: (TokenRegistryArtifact as any) as ContractArtifact,
+    MaliciousTokenArtifact: (MaliciousTokenArtifact as any) as ContractArtifact,
+    TokenTransferProxyArtifact: (TokenTransferProxyArtifact as any) as ContractArtifact,
+    MultiSigWalletWithTimeLockArtifact: (MultiSigWalletWithTimeLockArtifact as any) as ContractArtifact,
+    MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact: (MultiSigWalletWithTimeLockExceptRemoveAuthorizedAddressArtifact as any) as ContractArtifact,
 };
diff --git a/packages/contracts/util/types.ts b/packages/contracts/util/types.ts
index 321084c42..9bc412433 100644
--- a/packages/contracts/util/types.ts
+++ b/packages/contracts/util/types.ts
@@ -100,19 +100,3 @@ export enum ContractName {
     EtherDelta = 'EtherDelta',
     Arbitrage = 'Arbitrage',
 }
-
-export interface Artifact {
-    contract_name: ContractName;
-    networks: {
-        [networkId: number]: {
-            abi: ContractAbi;
-            solc_version: string;
-            keccak256: string;
-            optimizer_enabled: number;
-            unlinked_binary: string;
-            updated_at: number;
-            address: string;
-            constructor_args: string;
-        };
-    };
-}
diff --git a/packages/deployer/CHANGELOG.json b/packages/deployer/CHANGELOG.json
index 943d4a6f5..3f18ae121 100644
--- a/packages/deployer/CHANGELOG.json
+++ b/packages/deployer/CHANGELOG.json
@@ -1,12 +1,22 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.4.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "0.4.2",
         "changes": [
             {
                 "note": "Add support for solidity 0.4.23",
                 "pr": 545
             }
-        ]
+        ],
+        "timestamp": 1525428773
     },
     {
         "version": "0.4.1",
diff --git a/packages/deployer/CHANGELOG.md b/packages/deployer/CHANGELOG.md
index bf0c19d28..4eb0ed453 100644
--- a/packages/deployer/CHANGELOG.md
+++ b/packages/deployer/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.4.3 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.4.2 - _May 4, 2018_
+
+    * Add support for solidity 0.4.23 (#545)
+
 ## v0.4.1 - _April 18, 2018_
 
     * Add support for solidity 0.4.22 (#531)
 
-## v0.4.0 - _April 12, 2018_
+## v0.4.0 - _April 11, 2018_
 
     * Changed the config key `web3Provider` to `provider` to be consistent with other tools (#501)
 
@@ -21,11 +29,11 @@ CHANGELOG
 
     * Create solc_bin directory if does not exist before attempting to compile (#491)
 
-## v0.3.1 - _March 18, 2018_
+## v0.3.1 - _March 17, 2018_
 
     * Add TS types for `yargs`
 
-## v0.3.0 - _March 18, 2018_
+## v0.3.0 - _March 17, 2018_
 
     * Add support for Solidity 0.4.20 and 0.4.21
     * Replace `jsonrpcPort` config with `jsonrpcUrl` (#426)
@@ -38,15 +46,15 @@ CHANGELOG
     * Consolidate all `console.log` calls into `logUtils` in the `@0xproject/utils` package (#452)
     * Add `#!/usr/bin/env node` pragma above `cli.ts` script to fix command-line error.
 
-## v0.2.0 - _March 4, 2018_
+## v0.2.0 - _March 3, 2018_
 
     * Check dependencies when determining if contracts should be recompiled (#408)
     * Improve an error message for when deployer is supplied with an incorrect number of constructor arguments (#419)
 
-## v0.1.0 - _February 16, 2018_
+## v0.1.0 - _February 15, 2018_
 
     * Add the ability to pass in specific contracts to compile in CLI (#400)
 
-## v0.0.8 - _February 9, 2018_
+## v0.0.8 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
diff --git a/packages/deployer/package.json b/packages/deployer/package.json
index 2d5538c97..73bcd52f1 100644
--- a/packages/deployer/package.json
+++ b/packages/deployer/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/deployer",
-    "version": "0.4.1",
+    "version": "0.4.3",
     "description": "Smart contract deployer of 0x protocol",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -47,9 +47,9 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/deployer/README.md",
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/require-from-string": "^1.2.0",
         "@types/semver": "^5.5.0",
         "chai": "^4.0.1",
@@ -68,12 +68,12 @@
         "zeppelin-solidity": "1.8.0"
     },
     "dependencies": {
-        "@0xproject/json-schemas": "^0.7.21",
-        "@0xproject/sol-resolver": "^0.0.2",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/sol-resolver": "^0.0.4",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "@types/yargs": "^11.0.0",
         "chalk": "^2.3.0",
         "ethereumjs-util": "^5.1.1",
diff --git a/packages/deployer/src/cli.ts b/packages/deployer/src/cli.ts
index 7f1ae708a..8c89cf382 100644
--- a/packages/deployer/src/cli.ts
+++ b/packages/deployer/src/cli.ts
@@ -13,13 +13,13 @@ import { constants } from './utils/constants';
 import { consoleReporter } from './utils/error_reporter';
 import { CliOptions, CompilerOptions, DeployerOptions } from './utils/types';
 
-const DEFAULT_OPTIMIZER_ENABLED = false;
 const DEFAULT_CONTRACTS_DIR = path.resolve('src/contracts');
 const DEFAULT_ARTIFACTS_DIR = path.resolve('src/artifacts');
 const DEFAULT_NETWORK_ID = 50;
 const DEFAULT_JSONRPC_URL = 'http://localhost:8545';
 const DEFAULT_GAS_PRICE = (10 ** 9 * 2).toString();
 const DEFAULT_CONTRACTS_LIST = '*';
+const SEPARATOR = ',';
 
 /**
  * Compiles all contracts with options passed in through CLI.
@@ -28,10 +28,8 @@ const DEFAULT_CONTRACTS_LIST = '*';
 async function onCompileCommandAsync(argv: CliOptions): Promise<void> {
     const opts: CompilerOptions = {
         contractsDir: argv.contractsDir,
-        networkId: argv.networkId,
-        optimizerEnabled: argv.shouldOptimize,
         artifactsDir: argv.artifactsDir,
-        specifiedContracts: getContractsSetFromList(argv.contracts),
+        contracts: argv.contracts === DEFAULT_CONTRACTS_LIST ? DEFAULT_CONTRACTS_LIST : argv.contracts.split(SEPARATOR),
     };
     await commands.compileAsync(opts);
 }
@@ -46,10 +44,8 @@ async function onDeployCommandAsync(argv: CliOptions): Promise<void> {
     const networkId = await web3Wrapper.getNetworkIdAsync();
     const compilerOpts: CompilerOptions = {
         contractsDir: argv.contractsDir,
-        networkId,
-        optimizerEnabled: argv.shouldOptimize,
         artifactsDir: argv.artifactsDir,
-        specifiedContracts: getContractsSetFromList(argv.contracts),
+        contracts: argv.contracts === DEFAULT_CONTRACTS_LIST ? DEFAULT_CONTRACTS_LIST : argv.contracts.split(SEPARATOR),
     };
     await commands.compileAsync(compilerOpts);
 
@@ -58,91 +54,79 @@ async function onDeployCommandAsync(argv: CliOptions): Promise<void> {
         from: argv.account,
     };
     const deployerOpts: DeployerOptions = {
-        artifactsDir: argv.artifactsDir,
+        artifactsDir: argv.artifactsDir || DEFAULT_ARTIFACTS_DIR,
         jsonrpcUrl: argv.jsonrpcUrl,
         networkId,
         defaults,
     };
-    const deployerArgsString = argv.args as string;
-    const deployerArgs = deployerArgsString.split(',');
+    const deployerArgsString = argv.constructorArgs as string;
+    const deployerArgs = deployerArgsString.split(SEPARATOR);
     await commands.deployAsync(argv.contract as string, deployerArgs, deployerOpts);
 }
 /**
- * Creates a set of contracts to compile.
- * @param contracts Comma separated list of contracts to compile
- */
-function getContractsSetFromList(contracts: string): Set<string> {
-    const specifiedContracts = new Set();
-    if (contracts === '*') {
-        return new Set(['*']);
-    }
-    const contractsArray = contracts.split(',');
-    _.forEach(contractsArray, contractName => {
-        specifiedContracts.add(contractName);
-    });
-    return specifiedContracts;
-}
-/**
- * Provides extra required options for deploy command.
+ * Adds additional required options for when the user is calling the deploy command.
  * @param yargsInstance yargs instance provided in builder function callback.
  */
 function deployCommandBuilder(yargsInstance: any) {
     return yargsInstance
-        .option('contract', {
-            type: 'string',
-            description: 'name of contract to deploy, exluding .sol extension',
-        })
-        .option('args', {
-            type: 'string',
-            description: 'comma separated list of constructor args to deploy contract with',
-        })
-        .demandOption(['contract', 'args'])
-        .help().argv;
-}
-
-(() => {
-    const identityCommandBuilder = _.identity;
-    return yargs
-        .option('contracts-dir', {
-            type: 'string',
-            default: DEFAULT_CONTRACTS_DIR,
-            description: 'path of contracts directory to compile',
-        })
         .option('network-id', {
             type: 'number',
             default: DEFAULT_NETWORK_ID,
             description: 'mainnet=1, kovan=42, testrpc=50',
         })
-        .option('should-optimize', {
-            type: 'boolean',
-            default: DEFAULT_OPTIMIZER_ENABLED,
-            description: 'enable optimizer',
+        .option('contract', {
+            type: 'string',
+            description: 'name of contract to deploy, excluding .sol extension',
         })
-        .option('artifacts-dir', {
+        .option('constructor-args', {
             type: 'string',
-            default: DEFAULT_ARTIFACTS_DIR,
-            description: 'path to write contracts artifacts to',
+            description: 'comma separated list of constructor args to deploy contract with',
         })
         .option('jsonrpc-url', {
             type: 'string',
             default: DEFAULT_JSONRPC_URL,
             description: 'url of JSON RPC',
         })
+        .option('account', {
+            type: 'string',
+            description: 'account to use for deploying contracts',
+        })
         .option('gas-price', {
             type: 'string',
             default: DEFAULT_GAS_PRICE,
             description: 'gasPrice to be used for transactions',
         })
-        .option('account', {
-            type: 'string',
-            description: 'account to use for deploying contracts',
-        })
+        .demandOption(['contract', 'args', 'account'])
+        .help().argv;
+}
+
+/**
+ * Adds additional required options for when the user is calling the compile command.
+ * @param yargsInstance yargs instance provided in builder function callback.
+ */
+function compileCommandBuilder(yargsInstance: any) {
+    return yargsInstance
         .option('contracts', {
             type: 'string',
             default: DEFAULT_CONTRACTS_LIST,
             description: 'comma separated list of contracts to compile',
         })
-        .command('compile', 'compile contracts', identityCommandBuilder, consoleReporter(onCompileCommandAsync))
+        .help().argv;
+}
+
+(() => {
+    const identityCommandBuilder = _.identity;
+    return yargs
+        .option('contracts-dir', {
+            type: 'string',
+            description: 'path of contracts directory to compile',
+        })
+        .option('artifacts-dir', {
+            type: 'string',
+            description: 'path to write contracts artifacts to',
+        })
+        .demandCommand(1)
+        .command('compile', 'compile contracts', compileCommandBuilder, consoleReporter(onCompileCommandAsync))
         .command(
             'deploy',
             'deploy a single contract with provided arguments',
diff --git a/packages/deployer/src/compiler.ts b/packages/deployer/src/compiler.ts
index a3c8004ec..e81df3c0a 100644
--- a/packages/deployer/src/compiler.ts
+++ b/packages/deployer/src/compiler.ts
@@ -6,6 +6,7 @@ import {
     FSResolver,
     NameResolver,
     NPMResolver,
+    RelativeFSResolver,
     Resolver,
     URLResolver,
 } from '@0xproject/sol-resolver';
@@ -38,11 +39,30 @@ import {
     ContractNetworks,
     ContractSourceData,
     ContractSpecificSourceData,
+    ContractVersionData,
 } from './utils/types';
 import { utils } from './utils/utils';
 
+type TYPE_ALL_FILES_IDENTIFIER = '*';
 const ALL_CONTRACTS_IDENTIFIER = '*';
+const ALL_FILES_IDENTIFIER = '*';
 const SOLC_BIN_DIR = path.join(__dirname, '..', '..', 'solc_bin');
+const DEFAULT_CONTRACTS_DIR = path.resolve('contracts');
+const DEFAULT_ARTIFACTS_DIR = path.resolve('artifacts');
+// Solc compiler settings cannot be configured from the commandline.
+// If you need this configured, please create a `compiler.json` config file
+// with your desired configurations.
+const DEFAULT_COMPILER_SETTINGS: solc.CompilerSettings = {
+    optimizer: {
+        enabled: false,
+    },
+    outputSelection: {
+        [ALL_FILES_IDENTIFIER]: {
+            [ALL_CONTRACTS_IDENTIFIER]: ['abi', 'evm.bytecode.object'],
+        },
+    },
+};
+const CONFIG_FILE = 'compiler.json';
 
 /**
  * The Compiler facilitates compiling Solidity smart contracts and saves the results
@@ -52,26 +72,28 @@ export class Compiler {
     private _resolver: Resolver;
     private _nameResolver: NameResolver;
     private _contractsDir: string;
-    private _networkId: number;
-    private _optimizerEnabled: boolean;
+    private _compilerSettings: solc.CompilerSettings;
     private _artifactsDir: string;
-    private _specifiedContracts: Set<string> = new Set();
+    private _specifiedContracts: string[] | TYPE_ALL_FILES_IDENTIFIER;
     /**
      * Instantiates a new instance of the Compiler class.
-     * @param opts Options specifying directories, network, and optimization settings.
      * @return An instance of the Compiler class.
      */
     constructor(opts: CompilerOptions) {
-        this._contractsDir = opts.contractsDir;
-        this._networkId = opts.networkId;
-        this._optimizerEnabled = opts.optimizerEnabled;
-        this._artifactsDir = opts.artifactsDir;
-        this._specifiedContracts = opts.specifiedContracts;
+        // TODO: Look for config file in parent directories if not found in current directory
+        const config: CompilerOptions = fs.existsSync(CONFIG_FILE)
+            ? JSON.parse(fs.readFileSync(CONFIG_FILE).toString())
+            : {};
+        this._contractsDir = opts.contractsDir || config.contractsDir || DEFAULT_CONTRACTS_DIR;
+        this._compilerSettings = opts.compilerSettings || config.compilerSettings || DEFAULT_COMPILER_SETTINGS;
+        this._artifactsDir = opts.artifactsDir || config.artifactsDir || DEFAULT_ARTIFACTS_DIR;
+        this._specifiedContracts = opts.contracts || config.contracts || ALL_CONTRACTS_IDENTIFIER;
         this._nameResolver = new NameResolver(path.resolve(this._contractsDir));
         const resolver = new FallthroughResolver();
         resolver.appendResolver(new URLResolver());
         const packagePath = path.resolve('');
         resolver.appendResolver(new NPMResolver(packagePath));
+        resolver.appendResolver(new RelativeFSResolver(this._contractsDir));
         resolver.appendResolver(new FSResolver());
         resolver.appendResolver(this._nameResolver);
         this._resolver = resolver;
@@ -83,13 +105,13 @@ export class Compiler {
         await createDirIfDoesNotExistAsync(this._artifactsDir);
         await createDirIfDoesNotExistAsync(SOLC_BIN_DIR);
         let contractNamesToCompile: string[] = [];
-        if (this._specifiedContracts.has(ALL_CONTRACTS_IDENTIFIER)) {
+        if (this._specifiedContracts === ALL_CONTRACTS_IDENTIFIER) {
             const allContracts = this._nameResolver.getAll();
             contractNamesToCompile = _.map(allContracts, contractSource =>
                 path.basename(contractSource.path, constants.SOLIDITY_FILE_EXTENSION),
             );
         } else {
-            contractNamesToCompile = Array.from(this._specifiedContracts.values());
+            contractNamesToCompile = this._specifiedContracts;
         }
         for (const contractNameToCompile of contractNamesToCompile) {
             await this._compileContractAsync(contractNameToCompile);
@@ -101,17 +123,18 @@ export class Compiler {
      */
     private async _compileContractAsync(contractName: string): Promise<void> {
         const contractSource = this._resolver.resolve(contractName);
+        const absoluteContractPath = path.join(this._contractsDir, contractSource.path);
         const currentArtifactIfExists = await getContractArtifactIfExistsAsync(this._artifactsDir, contractName);
-        const sourceTreeHashHex = `0x${this._getSourceTreeHash(contractSource.path).toString('hex')}`;
-
+        const sourceTreeHashHex = `0x${this._getSourceTreeHash(absoluteContractPath).toString('hex')}`;
         let shouldCompile = false;
         if (_.isUndefined(currentArtifactIfExists)) {
             shouldCompile = true;
         } else {
             const currentArtifact = currentArtifactIfExists as ContractArtifact;
-            shouldCompile =
-                currentArtifact.networks[this._networkId].optimizer_enabled !== this._optimizerEnabled ||
-                currentArtifact.networks[this._networkId].source_tree_hash !== sourceTreeHashHex;
+            const isUserOnLatestVersion = currentArtifact.schemaVersion === constants.LATEST_ARTIFACT_VERSION;
+            const didCompilerSettingsChange = !_.isEqual(currentArtifact.compiler.settings, this._compilerSettings);
+            const didSourceChange = currentArtifact.sourceTreeHashHex !== sourceTreeHashHex;
+            shouldCompile = isUserOnLatestVersion || didCompilerSettingsChange || didSourceChange;
         }
         if (!shouldCompile) {
             return;
@@ -139,30 +162,14 @@ export class Compiler {
 
         logUtils.log(`Compiling ${contractName} with Solidity v${solcVersion}...`);
         const source = contractSource.source;
-        const absoluteFilePath = contractSource.path;
         const standardInput: solc.StandardInput = {
             language: 'Solidity',
             sources: {
-                [absoluteFilePath]: {
-                    urls: [`file://${absoluteFilePath}`],
-                },
-            },
-            settings: {
-                optimizer: {
-                    enabled: this._optimizerEnabled,
-                },
-                outputSelection: {
-                    '*': {
-                        '*': [
-                            'abi',
-                            'evm.bytecode.object',
-                            'evm.bytecode.sourceMap',
-                            'evm.deployedBytecode.object',
-                            'evm.deployedBytecode.sourceMap',
-                        ],
-                    },
+                [contractSource.path]: {
+                    content: contractSource.source,
                 },
             },
+            settings: this._compilerSettings,
         };
         const compiled: solc.StandardOutput = JSON.parse(
             solcInstance.compileStandardWrapper(JSON.stringify(standardInput), importPath => {
@@ -188,34 +195,28 @@ export class Compiler {
                 });
             }
         }
-        const compiledData = compiled.contracts[absoluteFilePath][contractName];
+        const compiledData = compiled.contracts[contractSource.path][contractName];
         if (_.isUndefined(compiledData)) {
             throw new Error(
-                `Contract ${contractName} not found in ${absoluteFilePath}. Please make sure your contract has the same name as it's file name`,
+                `Contract ${contractName} not found in ${
+                    contractSource.path
+                }. Please make sure your contract has the same name as it's file name`,
             );
         }
-        const abi: ContractAbi = compiledData.abi;
-        const bytecode = `0x${compiledData.evm.bytecode.object}`;
-        const runtimeBytecode = `0x${compiledData.evm.deployedBytecode.object}`;
-        const sourceMap = compiledData.evm.bytecode.sourceMap;
-        const sourceMapRuntime = compiledData.evm.deployedBytecode.sourceMap;
-        const unresolvedSourcePaths = _.keys(compiled.sources);
-        const sources = _.map(
-            unresolvedSourcePaths,
-            unresolvedSourcePath => this._resolver.resolve(unresolvedSourcePath).path,
+        const sourceCodes = _.mapValues(
+            compiled.sources,
+            (_1, sourceFilePath) => this._resolver.resolve(sourceFilePath).source,
         );
-        const updated_at = Date.now();
-        const contractNetworkData: ContractNetworkData = {
-            solc_version: solcVersion,
-            source_tree_hash: sourceTreeHashHex,
-            optimizer_enabled: this._optimizerEnabled,
-            abi,
-            bytecode,
-            runtime_bytecode: runtimeBytecode,
-            updated_at,
-            source_map: sourceMap,
-            source_map_runtime: sourceMapRuntime,
-            sources,
+        const contractVersion: ContractVersionData = {
+            compilerOutput: compiledData,
+            sources: compiled.sources,
+            sourceCodes,
+            sourceTreeHashHex,
+            compiler: {
+                name: 'solc',
+                version: solcVersion,
+                settings: this._compilerSettings,
+            },
         };
 
         let newArtifact: ContractArtifact;
@@ -223,17 +224,14 @@ export class Compiler {
             const currentArtifact = currentArtifactIfExists as ContractArtifact;
             newArtifact = {
                 ...currentArtifact,
-                networks: {
-                    ...currentArtifact.networks,
-                    [this._networkId]: contractNetworkData,
-                },
+                ...contractVersion,
             };
         } else {
             newArtifact = {
-                contract_name: contractName,
-                networks: {
-                    [this._networkId]: contractNetworkData,
-                },
+                schemaVersion: constants.LATEST_ARTIFACT_VERSION,
+                contractName,
+                ...contractVersion,
+                networks: {},
             };
         }
 
diff --git a/packages/deployer/src/deployer.ts b/packages/deployer/src/deployer.ts
index ad05417b1..c8c3a9a06 100644
--- a/packages/deployer/src/deployer.ts
+++ b/packages/deployer/src/deployer.ts
@@ -2,6 +2,7 @@ import { AbiType, ConstructorAbi, ContractAbi, Provider, TxData } from '@0xproje
 import { logUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import * as _ from 'lodash';
+import * as solc from 'solc';
 import * as Web3 from 'web3';
 
 import { Contract } from './utils/contract';
@@ -28,7 +29,20 @@ export class Deployer {
     private _artifactsDir: string;
     private _networkId: number;
     private _defaults: Partial<TxData>;
-
+    /**
+     * Gets data for current version stored in artifact.
+     * @param contractArtifact The contract artifact.
+     * @return Version specific contract data.
+     */
+    private static _getContractCompilerOutputFromArtifactIfExists(
+        contractArtifact: ContractArtifact,
+    ): solc.StandardContractOutput {
+        const compilerOutputIfExists = contractArtifact.compilerOutput;
+        if (_.isUndefined(compilerOutputIfExists)) {
+            throw new Error(`Compiler output not found in artifact for contract: ${contractArtifact.contractName}`);
+        }
+        return compilerOutputIfExists;
+    }
     /**
      * Instantiate a new instance of the Deployer class.
      * @param opts Deployer options, including either an RPC url or Provider instance.
@@ -58,10 +72,8 @@ export class Deployer {
      */
     public async deployAsync(contractName: string, args: any[] = []): Promise<Web3.ContractInstance> {
         const contractArtifactIfExists: ContractArtifact = this._loadContractArtifactIfExists(contractName);
-        const contractNetworkDataIfExists: ContractNetworkData = this._getContractNetworkDataFromArtifactIfExists(
-            contractArtifactIfExists,
-        );
-        const data = contractNetworkDataIfExists.bytecode;
+        const compilerOutput = Deployer._getContractCompilerOutputFromArtifactIfExists(contractArtifactIfExists);
+        const data = compilerOutput.evm.bytecode.object;
         const from = await this._getFromAddressAsync();
         const gas = await this._getAllowableGasEstimateAsync(data);
         const txData = {
@@ -70,7 +82,10 @@ export class Deployer {
             data,
             gas,
         };
-        const abi = contractNetworkDataIfExists.abi;
+        if (_.isUndefined(compilerOutput.abi)) {
+            throw new Error(`ABI not found in ${contractName} artifacts`);
+        }
+        const abi = compilerOutput.abi;
         const constructorAbi = _.find(abi, { type: AbiType.Constructor }) as ConstructorAbi;
         const constructorArgs = _.isUndefined(constructorAbi) ? [] : constructorAbi.inputs;
         if (constructorArgs.length !== args.length) {
@@ -138,15 +153,16 @@ export class Deployer {
         args: any[],
     ): Promise<void> {
         const contractArtifactIfExists: ContractArtifact = this._loadContractArtifactIfExists(contractName);
-        const contractNetworkDataIfExists: ContractNetworkData = this._getContractNetworkDataFromArtifactIfExists(
-            contractArtifactIfExists,
-        );
-        const abi = contractNetworkDataIfExists.abi;
+        const compilerOutput = Deployer._getContractCompilerOutputFromArtifactIfExists(contractArtifactIfExists);
+        if (_.isUndefined(compilerOutput.abi)) {
+            throw new Error(`ABI not found in ${contractName} artifacts`);
+        }
+        const abi = compilerOutput.abi;
         const encodedConstructorArgs = encoder.encodeConstructorArgsFromAbi(args, abi);
-        const newContractData = {
-            ...contractNetworkDataIfExists,
+        const newContractData: ContractNetworkData = {
             address: contractAddress,
-            constructor_args: encodedConstructorArgs,
+            links: {},
+            constructorArgs: encodedConstructorArgs,
         };
         const newArtifact = {
             ...contractArtifactIfExists,
@@ -174,18 +190,6 @@ export class Deployer {
         }
     }
     /**
-     * Gets data for current networkId stored in artifact.
-     * @param contractArtifact The contract artifact.
-     * @return Network specific contract data.
-     */
-    private _getContractNetworkDataFromArtifactIfExists(contractArtifact: ContractArtifact): ContractNetworkData {
-        const contractNetworkDataIfExists = contractArtifact.networks[this._networkId];
-        if (_.isUndefined(contractNetworkDataIfExists)) {
-            throw new Error(`Data not found in artifact for contract: ${contractArtifact.contract_name}`);
-        }
-        return contractNetworkDataIfExists;
-    }
-    /**
      * Gets the address to use for sending a transaction.
      * @return The default from address. If not specified, returns the first address accessible by web3.
      */
diff --git a/packages/deployer/src/index.ts b/packages/deployer/src/index.ts
index 186d644ef..31a75677b 100644
--- a/packages/deployer/src/index.ts
+++ b/packages/deployer/src/index.ts
@@ -1,2 +1,3 @@
 export { Deployer } from './deployer';
 export { Compiler } from './compiler';
+export { ContractArtifact, ContractNetworks } from './utils/types';
diff --git a/packages/deployer/src/utils/constants.ts b/packages/deployer/src/utils/constants.ts
index 6f9dfb994..df2ddb3b2 100644
--- a/packages/deployer/src/utils/constants.ts
+++ b/packages/deployer/src/utils/constants.ts
@@ -1,4 +1,5 @@
 export const constants = {
     SOLIDITY_FILE_EXTENSION: '.sol',
     BASE_COMPILER_URL: 'https://ethereum.github.io/solc-bin/bin/',
+    LATEST_ARTIFACT_VERSION: '2.0.0',
 };
diff --git a/packages/deployer/src/utils/types.ts b/packages/deployer/src/utils/types.ts
index a20d0f627..19c27df67 100644
--- a/packages/deployer/src/utils/types.ts
+++ b/packages/deployer/src/utils/types.ts
@@ -1,4 +1,5 @@
 import { ContractAbi, Provider, TxData } from '@0xproject/types';
+import * as solc from 'solc';
 import * as Web3 from 'web3';
 import * as yargs from 'yargs';
 
@@ -9,28 +10,40 @@ export enum AbiType {
     Fallback = 'fallback',
 }
 
-export interface ContractArtifact {
-    contract_name: string;
+export interface ContractArtifact extends ContractVersionData {
+    schemaVersion: string;
+    contractName: string;
     networks: ContractNetworks;
 }
 
+export interface ContractVersionData {
+    compiler: {
+        name: 'solc';
+        version: string;
+        settings: solc.CompilerSettings;
+    };
+    sources: {
+        [sourceName: string]: {
+            id: number;
+        };
+    };
+    sourceCodes: {
+        [sourceName: string]: string;
+    };
+    sourceTreeHashHex: string;
+    compilerOutput: solc.StandardContractOutput;
+}
+
 export interface ContractNetworks {
-    [key: number]: ContractNetworkData;
+    [networkId: number]: ContractNetworkData;
 }
 
 export interface ContractNetworkData {
-    solc_version: string;
-    optimizer_enabled: boolean;
-    source_tree_hash: string;
-    abi: ContractAbi;
-    bytecode: string;
-    runtime_bytecode: string;
-    address?: string;
-    constructor_args?: string;
-    updated_at: number;
-    source_map: string;
-    source_map_runtime: string;
-    sources: string[];
+    address: string;
+    links: {
+        [linkName: string]: string;
+    };
+    constructorArgs: string;
 }
 
 export interface SolcErrors {
@@ -42,7 +55,6 @@ export interface CliOptions extends yargs.Arguments {
     contractsDir: string;
     jsonrpcUrl: string;
     networkId: number;
-    shouldOptimize: boolean;
     gasPrice: string;
     account?: string;
     contract?: string;
@@ -50,11 +62,10 @@ export interface CliOptions extends yargs.Arguments {
 }
 
 export interface CompilerOptions {
-    contractsDir: string;
-    networkId: number;
-    optimizerEnabled: boolean;
-    artifactsDir: string;
-    specifiedContracts: Set<string>;
+    contractsDir?: string;
+    artifactsDir?: string;
+    compilerSettings?: solc.CompilerSettings;
+    contracts?: string[] | '*';
 }
 
 export interface BaseDeployerOptions {
diff --git a/packages/deployer/test/compiler_test.ts b/packages/deployer/test/compiler_test.ts
index b03ae7935..9baf433d4 100644
--- a/packages/deployer/test/compiler_test.ts
+++ b/packages/deployer/test/compiler_test.ts
@@ -18,9 +18,7 @@ describe('#Compiler', function() {
     const compilerOpts: CompilerOptions = {
         artifactsDir,
         contractsDir,
-        networkId: constants.networkId,
-        optimizerEnabled: constants.optimizerEnabled,
-        specifiedContracts: new Set(constants.specifiedContracts),
+        contracts: constants.contracts,
     };
     const compiler = new Compiler(compilerOpts);
     beforeEach((done: DoneCallback) => {
@@ -38,9 +36,8 @@ describe('#Compiler', function() {
         };
         const exchangeArtifactString = await fsWrapper.readFileAsync(exchangeArtifactPath, opts);
         const exchangeArtifact: ContractArtifact = JSON.parse(exchangeArtifactString);
-        const exchangeContractData: ContractNetworkData = exchangeArtifact.networks[constants.networkId];
         // The last 43 bytes of the binaries are metadata which may not be equivalent
-        const unlinkedBinaryWithoutMetadata = exchangeContractData.bytecode.slice(0, -86);
+        const unlinkedBinaryWithoutMetadata = exchangeArtifact.compilerOutput.evm.bytecode.object.slice(0, -86);
         const exchangeBinaryWithoutMetadata = exchange_binary.slice(0, -86);
         expect(unlinkedBinaryWithoutMetadata).to.equal(exchangeBinaryWithoutMetadata);
     });
diff --git a/packages/deployer/test/deployer_test.ts b/packages/deployer/test/deployer_test.ts
index 238624220..a8abc6454 100644
--- a/packages/deployer/test/deployer_test.ts
+++ b/packages/deployer/test/deployer_test.ts
@@ -19,9 +19,7 @@ describe('#Deployer', () => {
     const compilerOpts: CompilerOptions = {
         artifactsDir,
         contractsDir,
-        networkId: constants.networkId,
-        optimizerEnabled: constants.optimizerEnabled,
-        specifiedContracts: new Set(constants.specifiedContracts),
+        contracts: constants.contracts,
     };
     const compiler = new Compiler(compilerOpts);
     const deployerOpts = {
@@ -55,8 +53,7 @@ describe('#Deployer', () => {
             const exchangeContractData: ContractNetworkData = exchangeArtifact.networks[constants.networkId];
             const exchangeAddress = exchangeContractInstance.address;
             expect(exchangeAddress).to.not.equal(undefined);
-            expect(exchangeContractData.address).to.equal(undefined);
-            expect(exchangeContractData.constructor_args).to.equal(undefined);
+            expect(exchangeContractData).to.equal(undefined);
         });
     });
     describe('#deployAndSaveAsync', () => {
@@ -71,7 +68,7 @@ describe('#Deployer', () => {
             const exchangeContractData: ContractNetworkData = exchangeArtifact.networks[constants.networkId];
             const exchangeAddress = exchangeContractInstance.address;
             expect(exchangeAddress).to.be.equal(exchangeContractData.address);
-            expect(constructor_args).to.be.equal(exchangeContractData.constructor_args);
+            expect(constructor_args).to.be.equal(exchangeContractData.constructorArgs);
         });
     });
 });
diff --git a/packages/deployer/test/fixtures/exchange_bin.ts b/packages/deployer/test/fixtures/exchange_bin.ts
index 9fbf9bf95..914e76bf5 100644
--- a/packages/deployer/test/fixtures/exchange_bin.ts
+++ b/packages/deployer/test/fixtures/exchange_bin.ts
@@ -1,4 +1,4 @@
 export const constructor_args =
     '0x000000000000000000000000e41d2489571d322189246dafa5ebde1f4699f4980000000000000000000000008da0d80f5007ef1e431dd2127178d224e32c2ef4';
 export const exchange_binary =
-    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diff --git a/packages/deployer/test/util/constants.ts b/packages/deployer/test/util/constants.ts
index b93081a80..88d6db550 100644
--- a/packages/deployer/test/util/constants.ts
+++ b/packages/deployer/test/util/constants.ts
@@ -7,5 +7,5 @@ export const constants = {
     timeoutMs: 30000,
     zrxTokenAddress: '0xe41d2489571d322189246dafa5ebde1f4699f498',
     tokenTransferProxyAddress: '0x8da0d80f5007ef1e431dd2127178d224e32c2ef4',
-    specifiedContracts: '*',
+    contracts: '*' as '*',
 };
diff --git a/packages/dev-utils/CHANGELOG.json b/packages/dev-utils/CHANGELOG.json
index f245e6183..9da323f48 100644
--- a/packages/dev-utils/CHANGELOG.json
+++ b/packages/dev-utils/CHANGELOG.json
@@ -1,5 +1,24 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.4.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "0.4.0",
+        "changes": [
+            {
+                "note": "Update web3 provider engine to 14.0.4",
+                "pr": 555
+            }
+        ],
+        "timestamp": 1525428773
+    },
+    {
         "version": "0.3.6",
         "changes": [
             {
diff --git a/packages/dev-utils/CHANGELOG.md b/packages/dev-utils/CHANGELOG.md
index de9db5125..ab824c898 100644
--- a/packages/dev-utils/CHANGELOG.md
+++ b/packages/dev-utils/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.4.1 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.4.0 - _May 4, 2018_
+
+    * Update web3 provider engine to 14.0.4 (#555)
+
 ## v0.3.6 - _April 18, 2018_
 
     * Allow an rpcURL to be set in Web3Config (for testnet RPC endpoints) (#524)
 
-## v0.3.5 - _April 12, 2018_
+## v0.3.5 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,25 +29,25 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.3.1 - _March 18, 2018_
+## v0.3.1 - _March 17, 2018_
 
     * Reduce npm package size by adding an `.npmignore` file.
     * Move `@0xproject/web3-wrapper` to dependencies from devDependencies.
 
-## v0.3.0 - _March 18, 2018_
+## v0.3.0 - _March 17, 2018_
 
     * Add coverage subprovider if SOLIDITY_COVERAGE env variable is true (#426)
     * Refactor `BlockchainLifecycle` to work with in-process ganache (#426)
     * Remove `RPC` class and move it's logic to `Web3Wrapper` (#426)
 
-## v0.2.0 - _February 16, 2018_
+## v0.2.0 - _February 15, 2018_
 
     * Remove subproviders (#392)
 
-## v0.0.12 - _February 9, 2018_
+## v0.0.12 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.0.11 - _February 7, 2018_
+## v0.0.11 - _February 6, 2018_
 
     * Updated `types-ethereumjs-util` dev dependency (#352)
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index 5b855fb33..0422794ff 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/dev-utils",
-    "version": "0.3.6",
+    "version": "0.4.1",
     "description": "0x dev TS utils",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -26,8 +26,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/dev-utils/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "chai": "^4.0.1",
@@ -40,14 +40,14 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/sol-cov": "^0.0.8",
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/sol-cov": "^0.0.10",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "lodash": "^4.17.4",
         "web3": "^0.20.0",
-        "web3-provider-engine": "^13.0.1"
+        "web3-provider-engine": "^14.0.4"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/dev-utils/src/coverage.ts b/packages/dev-utils/src/coverage.ts
index 67c87ec30..743573874 100644
--- a/packages/dev-utils/src/coverage.ts
+++ b/packages/dev-utils/src/coverage.ts
@@ -13,7 +13,7 @@ export const coverage = {
         return coverageSubprovider;
     },
     _getCoverageSubprovider(): CoverageSubprovider {
-        const artifactsPath = '../migrations/src/artifacts';
+        const artifactsPath = '../migrations/artifacts/1.0.0';
         const contractsPath = 'src/contracts';
         const networkId = 50;
         const defaultFromAddress = constants.TESTRPC_FIRST_ADDRESS;
diff --git a/packages/json-schemas/CHANGELOG.json b/packages/json-schemas/CHANGELOG.json
index 288413e66..4114cdcf4 100644
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.7.23",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.7.22",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.7.21",
         "changes": [
diff --git a/packages/json-schemas/CHANGELOG.md b/packages/json-schemas/CHANGELOG.md
index ead00d716..257d14fdf 100644
--- a/packages/json-schemas/CHANGELOG.md
+++ b/packages/json-schemas/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.7.23 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.7.22 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.7.21 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.7.20 - _April 12, 2018_
+## v0.7.20 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,14 +29,14 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.7.13 - _February 9, 2018_
+## v0.7.13 - _February 8, 2018_
 
     *   Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.7.0 - _December 20, 2017_
+## v0.7.0 - _December 19, 2017_
 
     * Rename `subscriptionOptsSchema` to `blockRangeSchema` (#272)
 
-## v0.6.7 - _November 14, 2017_
+## v0.6.7 - _November 13, 2017_
 
     * Re-publish JSON-schema previously published under NPM package 0x-json-schemas
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index daf91c65f..f67f653f0 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/json-schemas",
-    "version": "0.7.21",
+    "version": "0.7.23",
     "description": "0x-related json schemas",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -42,15 +42,15 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/json-schemas/README.md",
     "dependencies": {
-        "@0xproject/typescript-typings": "^0.2.0",
+        "@0xproject/typescript-typings": "^0.3.1",
         "@types/node": "^8.0.53",
         "jsonschema": "^1.2.0",
         "lodash.values": "^4.3.0"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
+        "@0xproject/utils": "^0.6.1",
         "@types/lodash.foreach": "^4.5.3",
         "@types/lodash.values": "^4.3.3",
         "@types/mocha": "^2.2.42",
diff --git a/packages/metacoin/compiler.json b/packages/metacoin/compiler.json
new file mode 100644
index 000000000..f5817e0c8
--- /dev/null
+++ b/packages/metacoin/compiler.json
@@ -0,0 +1,15 @@
+{
+    "compilerSettings": {
+        "outputSelection": {
+            "*": {
+                "*": [
+                    "abi",
+                    "evm.bytecode.object",
+                    "evm.bytecode.sourceMap",
+                    "evm.deployedBytecode.object",
+                    "evm.deployedBytecode.sourceMap"
+                ]
+            }
+        }
+    }
+}
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index e944d725b..17aad0aaf 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/metacoin",
-    "version": "0.0.4",
+    "version": "0.0.6",
     "private": true,
     "description": "Example solidity project using 0x dev tools",
     "scripts": {
@@ -12,32 +12,32 @@
         "build": "tsc",
         "test": "run-s build run_mocha",
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",
-        "run_mocha": "mocha lib/test/**/*.js --bail --exit",
+        "run_mocha": "mocha lib/test/**/*_test.js lib/test/global_hooks.js --bail --exit",
         "generate_contract_wrappers": "node ../abi-gen/lib/index.js --abis 'artifacts/Metacoin.json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/contract_wrappers --backend ethers && prettier --write 'src/contract_wrappers/**.ts'",
         "coverage:report:text": "istanbul report text",
         "coverage:report:html": "istanbul report html && open coverage/index.html",
         "coverage:report:lcov": "istanbul report lcov",
         "test:circleci": "yarn test:coverage",
-        "compile": "node ../deployer/lib/src/cli.js compile --contracts Metacoin --contracts-dir contracts --artifacts-dir artifacts"
+        "compile": "node ../deployer/lib/src/cli.js compile"
     },
     "author": "",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0xproject/abi-gen": "^0.2.11",
-        "@0xproject/base-contract": "^0.2.1",
-        "@0xproject/deployer": "^0.4.1",
-        "@0xproject/sol-cov": "^0.0.8",
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/tslint-config": "^0.4.16",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/abi-gen": "^0.2.13",
+        "@0xproject/base-contract": "^0.3.1",
+        "@0xproject/deployer": "^0.4.3",
+        "@0xproject/sol-cov": "^0.0.10",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/tslint-config": "^0.4.17",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "ethers": "^3.0.15",
         "lodash": "^4.17.4",
-        "web3-provider-engine": "^13.0.1"
+        "web3-provider-engine": "^14.0.4"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
+        "@0xproject/dev-utils": "^0.4.1",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^2.0.1",
diff --git a/packages/migrations/CHANGELOG.json b/packages/migrations/CHANGELOG.json
index f668141ee..142468dad 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.0.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524073495,
         "version": "0.0.3",
         "changes": [
diff --git a/packages/migrations/CHANGELOG.md b/packages/migrations/CHANGELOG.md
index 538deb4a5..99da91a35 100644
--- a/packages/migrations/CHANGELOG.md
+++ b/packages/migrations/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.0.5 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.4 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.0.3 - _April 18, 2018_
 
     * Dependencies updated
diff --git a/packages/migrations/artifacts/1.0.0/.gitkeep b/packages/migrations/artifacts/1.0.0/.gitkeep
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/packages/migrations/artifacts/1.0.0/.gitkeep
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index 4a0093603..8c85aa337 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/migrations",
-    "version": "0.0.3",
+    "version": "0.0.5",
     "description": "0x smart contract migrations",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -19,17 +19,17 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/tslint-config": "^0.4.17",
         "npm-run-all": "^4.1.2",
         "shx": "^0.2.2",
         "tslint": "5.8.0",
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/deployer": "^0.4.1",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "@0xproject/deployer": "^0.4.3",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "lodash": "^4.17.4"
     },
     "publishConfig": {
diff --git a/packages/monorepo-scripts/CHANGELOG.json b/packages/monorepo-scripts/CHANGELOG.json
index b67167393..10fe8acb1 100644
--- a/packages/monorepo-scripts/CHANGELOG.json
+++ b/packages/monorepo-scripts/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1525428773,
+        "version": "0.1.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.1.18",
         "changes": [
diff --git a/packages/monorepo-scripts/CHANGELOG.md b/packages/monorepo-scripts/CHANGELOG.md
index c24aacaf6..df70792b8 100644
--- a/packages/monorepo-scripts/CHANGELOG.md
+++ b/packages/monorepo-scripts/CHANGELOG.md
@@ -5,11 +5,15 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.1.19 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.1.18 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.1.17 - _April 12, 2018_
+## v0.1.17 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -17,6 +21,6 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.1.13 - _March 18, 2018_
+## v0.1.13 - _March 17, 2018_
 
     * Add postpublish utils
diff --git a/packages/monorepo-scripts/package.json b/packages/monorepo-scripts/package.json
index 733a099d1..a6b6f2d15 100644
--- a/packages/monorepo-scripts/package.json
+++ b/packages/monorepo-scripts/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/monorepo-scripts",
-    "version": "0.1.18",
+    "version": "0.1.19",
     "description": "Helper scripts for the monorepo",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
diff --git a/packages/monorepo-scripts/src/publish.ts b/packages/monorepo-scripts/src/publish.ts
index bc580c87f..e37e1d232 100644
--- a/packages/monorepo-scripts/src/publish.ts
+++ b/packages/monorepo-scripts/src/publish.ts
@@ -35,6 +35,7 @@ const packageNameToWebsitePath: { [name: string]: string } = {
     deployer: 'deployer',
     'sol-cov': 'sol-cov',
     subproviders: 'subproviders',
+    'order-utils': 'order-utils',
 };
 
 (async () => {
diff --git a/packages/order-utils/.npmignore b/packages/order-utils/.npmignore
new file mode 100644
index 000000000..89302c908
--- /dev/null
+++ b/packages/order-utils/.npmignore
@@ -0,0 +1,7 @@
+.*
+yarn-error.log
+/scripts/
+/generated_docs/
+/src/
+tsconfig.json
+/lib/monorepo_scripts/
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
new file mode 100644
index 000000000..44f919bc2
--- /dev/null
+++ b/packages/order-utils/CHANGELOG.json
@@ -0,0 +1,29 @@
+[
+    {
+        "timestamp": 1525477860,
+        "version": "0.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525453812,
+        "version": "0.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    }
+]
diff --git a/packages/order-utils/CHANGELOG.md b/packages/order-utils/CHANGELOG.md
new file mode 100644
index 000000000..d0bb706aa
--- /dev/null
+++ b/packages/order-utils/CHANGELOG.md
@@ -0,0 +1,18 @@
+<!--
+This file is auto-generated using the monorepo-scripts package. Don't edit directly.
+Edit the package's CHANGELOG.json file only.
+-->
+
+CHANGELOG
+
+## v0.0.4 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.3 - _May 4, 2018_
+
+    * Dependencies updated
+
+## v0.0.2 - _May 4, 2018_
+
+    * Dependencies updated
diff --git a/packages/order-utils/README.md b/packages/order-utils/README.md
new file mode 100644
index 000000000..4b571509a
--- /dev/null
+++ b/packages/order-utils/README.md
@@ -0,0 +1,77 @@
+## @0xproject/order-utils
+
+0x order-related utilities for those developing on top of 0x protocol.
+
+### Read the [Documentation](https://0xproject.com/docs/order-utils).
+
+## Installation
+
+```bash
+yarn add @0xproject/order-utils
+```
+
+If your project is in [TypeScript](https://www.typescriptlang.org/), add the following to your `tsconfig.json`:
+
+```json
+"compilerOptions": {
+    "typeRoots": ["node_modules/@0xproject/typescript-typings/types", "node_modules/@types"],
+}
+```
+
+## Contributing
+
+We welcome improvements and fixes from the wider community! To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+
+```bash
+yarn install
+```
+
+### Build
+
+If this is your **first** time building this package, you must first build **all** packages within the monorepo. This is because packages that depend on other packages located inside this monorepo are symlinked when run from **within** the monorepo. This allows you to make changes across multiple packages without first publishing dependent packages to NPM. To build all packages, run the following from the monorepo root directory:
+
+```bash
+yarn lerna:rebuild
+```
+
+Or continuously rebuild on change:
+
+```bash
+yarn dev
+```
+
+You can also build this specific package by running the following from within its directory:
+
+```bash
+yarn build
+```
+
+or continuously rebuild on change:
+
+```bash
+yarn build:watch
+```
+
+### Clean
+
+```bash
+yarn clean
+```
+
+### Lint
+
+```bash
+yarn lint
+```
diff --git a/packages/order-utils/coverage/.gitkeep b/packages/order-utils/coverage/.gitkeep
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/packages/order-utils/coverage/.gitkeep
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
new file mode 100644
index 000000000..cdb5b63b0
--- /dev/null
+++ b/packages/order-utils/package.json
@@ -0,0 +1,76 @@
+{
+    "name": "@0xproject/order-utils",
+    "version": "0.0.4",
+    "description": "0x order utils",
+    "main": "lib/src/index.js",
+    "types": "lib/src/index.d.ts",
+    "scripts": {
+        "build:watch": "tsc -w",
+        "build": "tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
+        "test": "run-s clean build run_mocha",
+        "test:circleci": "yarn test:coverage",
+        "run_mocha": "mocha lib/test/**/*_test.js --bail --exit",
+        "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
+        "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
+        "clean": "shx rm -rf lib scripts",
+        "lint": "tslint --project .",
+        "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
+        "docs:stage": "yarn build && node ./scripts/stage_docs.js",
+        "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --json $JSON_FILE_PATH $PROJECT_FILES",
+        "upload_docs_json": "aws s3 cp generated_docs/index.json $S3_URL --profile 0xproject --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers --content-type application/json"
+    },
+    "config": {
+        "postpublish": {
+            "docPublishConfigs": {
+                "extraFileIncludes": [
+                    "../types/src/index.ts"
+                ],
+                "s3BucketPath": "s3://doc-jsons/order-utils/",
+                "s3StagingBucketPath": "s3://staging-doc-jsons/order-utils/"
+            }
+        }
+    },
+    "license": "Apache-2.0",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/0xProject/0x-monorepo.git"
+    },
+    "bugs": {
+        "url": "https://github.com/0xProject/0x-monorepo/issues"
+    },
+    "homepage": "https://github.com/0xProject/0x-monorepo/packages/order-utils/README.md",
+    "devDependencies": {
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
+        "@types/lodash": "4.14.104",
+        "chai": "^4.0.1",
+        "chai-as-promised": "^7.1.0",
+        "chai-bignumber": "^2.0.1",
+        "copyfiles": "^1.2.0",
+        "dirty-chai": "^2.0.1",
+        "mocha": "^4.0.1",
+        "npm-run-all": "^4.1.2",
+        "shx": "^0.2.2",
+        "sinon": "^4.0.0",
+        "tslint": "5.8.0",
+        "typedoc": "0xProject/typedoc",
+        "typescript": "2.7.1"
+    },
+    "dependencies": {
+        "@0xproject/assert": "^0.2.9",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
+        "@types/node": "^8.0.53",
+        "bn.js": "^4.11.8",
+        "ethereumjs-abi": "^0.6.4",
+        "ethereumjs-util": "^5.1.1",
+        "lodash": "^4.17.4"
+    },
+    "publishConfig": {
+        "access": "public"
+    }
+}
diff --git a/packages/order-utils/src/assert.ts b/packages/order-utils/src/assert.ts
new file mode 100644
index 000000000..5ac402e7e
--- /dev/null
+++ b/packages/order-utils/src/assert.ts
@@ -0,0 +1,27 @@
+import { assert as sharedAssert } from '@0xproject/assert';
+// We need those two unused imports because they're actually used by sharedAssert which gets injected here
+// tslint:disable-next-line:no-unused-variable
+import { Schema } from '@0xproject/json-schemas';
+// tslint:disable-next-line:no-unused-variable
+import { ECSignature } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+
+import { isValidSignature } from './signature_utils';
+
+export const assert = {
+    ...sharedAssert,
+    async isSenderAddressAsync(
+        variableName: string,
+        senderAddressHex: string,
+        web3Wrapper: Web3Wrapper,
+    ): Promise<void> {
+        sharedAssert.isETHAddressHex(variableName, senderAddressHex);
+        const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
+        sharedAssert.assert(
+            isSenderAddressAvailable,
+            `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
+        );
+    },
+};
diff --git a/packages/order-utils/src/constants.ts b/packages/order-utils/src/constants.ts
new file mode 100644
index 000000000..ec2fe744a
--- /dev/null
+++ b/packages/order-utils/src/constants.ts
@@ -0,0 +1,3 @@
+export const constants = {
+    NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+};
diff --git a/packages/order-utils/src/globals.d.ts b/packages/order-utils/src/globals.d.ts
new file mode 100644
index 000000000..94e63a32d
--- /dev/null
+++ b/packages/order-utils/src/globals.d.ts
@@ -0,0 +1,6 @@
+declare module '*.json' {
+    const json: any;
+    /* tslint:disable */
+    export default json;
+    /* tslint:enable */
+}
diff --git a/packages/order-utils/src/index.ts b/packages/order-utils/src/index.ts
new file mode 100644
index 000000000..b85432c84
--- /dev/null
+++ b/packages/order-utils/src/index.ts
@@ -0,0 +1,6 @@
+export { getOrderHashHex, isValidOrderHash } from './order_hash';
+export { isValidSignature, signOrderHashAsync } from './signature_utils';
+export { orderFactory } from './order_factory';
+export { constants } from './constants';
+export { generatePseudoRandomSalt } from './salt';
+export { OrderError } from './types';
diff --git a/packages/order-utils/src/monorepo_scripts/postpublish.ts b/packages/order-utils/src/monorepo_scripts/postpublish.ts
new file mode 100644
index 000000000..dcb99d0f7
--- /dev/null
+++ b/packages/order-utils/src/monorepo_scripts/postpublish.ts
@@ -0,0 +1,8 @@
+import { postpublishUtils } from '@0xproject/monorepo-scripts';
+
+import * as packageJSON from '../package.json';
+import * as tsConfigJSON from '../tsconfig.json';
+
+const cwd = `${__dirname}/..`;
+// tslint:disable-next-line:no-floating-promises
+postpublishUtils.runAsync(packageJSON, tsConfigJSON, cwd);
diff --git a/packages/order-utils/src/monorepo_scripts/stage_docs.ts b/packages/order-utils/src/monorepo_scripts/stage_docs.ts
new file mode 100644
index 000000000..e732ac8eb
--- /dev/null
+++ b/packages/order-utils/src/monorepo_scripts/stage_docs.ts
@@ -0,0 +1,8 @@
+import { postpublishUtils } from '@0xproject/monorepo-scripts';
+
+import * as packageJSON from '../package.json';
+import * as tsConfigJSON from '../tsconfig.json';
+
+const cwd = `${__dirname}/..`;
+// tslint:disable-next-line:no-floating-promises
+postpublishUtils.publishDocsToStagingAsync(packageJSON, tsConfigJSON, cwd);
diff --git a/packages/0x.js/test/utils/order_factory.ts b/packages/order-utils/src/order_factory.ts
index 08f2081a4..2759aac81 100644
--- a/packages/0x.js/test/utils/order_factory.ts
+++ b/packages/order-utils/src/order_factory.ts
@@ -1,13 +1,16 @@
+import { Provider, SignedOrder } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 import * as _ from 'lodash';
 
-import { SignedOrder, ZeroEx } from '../../src';
+import { getOrderHashHex } from './order_hash';
+import { generatePseudoRandomSalt } from './salt';
+import { signOrderHashAsync } from './signature_utils';
 
 const SHOULD_ADD_PERSONAL_MESSAGE_PREFIX = false;
 
 export const orderFactory = {
     async createSignedOrderAsync(
-        zeroEx: ZeroEx,
+        provider: Provider,
         maker: string,
         taker: string,
         makerFee: BigNumber,
@@ -33,13 +36,13 @@ export const orderFactory = {
             takerTokenAmount,
             makerTokenAddress,
             takerTokenAddress,
-            salt: ZeroEx.generatePseudoRandomSalt(),
+            salt: generatePseudoRandomSalt(),
             exchangeContractAddress,
             feeRecipient,
             expirationUnixTimestampSec,
         };
-        const orderHash = ZeroEx.getOrderHashHex(order);
-        const ecSignature = await zeroEx.signOrderHashAsync(orderHash, maker, SHOULD_ADD_PERSONAL_MESSAGE_PREFIX);
+        const orderHash = getOrderHashHex(order);
+        const ecSignature = await signOrderHashAsync(provider, orderHash, maker, SHOULD_ADD_PERSONAL_MESSAGE_PREFIX);
         const signedOrder: SignedOrder = _.assign(order, { ecSignature });
         return signedOrder;
     },
diff --git a/packages/order-utils/src/order_hash.ts b/packages/order-utils/src/order_hash.ts
new file mode 100644
index 000000000..8da11c596
--- /dev/null
+++ b/packages/order-utils/src/order_hash.ts
@@ -0,0 +1,89 @@
+import { schemas, SchemaValidator } from '@0xproject/json-schemas';
+import { Order, SignedOrder, SolidityTypes } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import BN = require('bn.js');
+import * as ethABI from 'ethereumjs-abi';
+import * as ethUtil from 'ethereumjs-util';
+import * as _ from 'lodash';
+
+import { assert } from './assert';
+
+const INVALID_TAKER_FORMAT = 'instance.taker is not of a type(s) string';
+
+/**
+ * Converts BigNumber instance to BN
+ * The only reason we convert to BN is to remain compatible with `ethABI.soliditySHA3` that
+ * expects values of Solidity type `uint` to be passed as type `BN`.
+ * We do not use BN anywhere else in the codebase.
+ */
+function bigNumberToBN(value: BigNumber) {
+    return new BN(value.toString(), 10);
+}
+
+/**
+ * Computes the orderHash for a supplied order.
+ * @param   order   An object that conforms to the Order or SignedOrder interface definitions.
+ * @return  The resulting orderHash from hashing the supplied order.
+ */
+export function getOrderHashHex(order: Order | SignedOrder): string {
+    try {
+        assert.doesConformToSchema('order', order, schemas.orderSchema);
+    } catch (error) {
+        if (_.includes(error.message, INVALID_TAKER_FORMAT)) {
+            const errMsg =
+                'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
+            throw new Error(errMsg);
+        }
+        throw error;
+    }
+    const orderParts = [
+        { value: order.exchangeContractAddress, type: SolidityTypes.Address },
+        { value: order.maker, type: SolidityTypes.Address },
+        { value: order.taker, type: SolidityTypes.Address },
+        { value: order.makerTokenAddress, type: SolidityTypes.Address },
+        { value: order.takerTokenAddress, type: SolidityTypes.Address },
+        { value: order.feeRecipient, type: SolidityTypes.Address },
+        {
+            value: bigNumberToBN(order.makerTokenAmount),
+            type: SolidityTypes.Uint256,
+        },
+        {
+            value: bigNumberToBN(order.takerTokenAmount),
+            type: SolidityTypes.Uint256,
+        },
+        {
+            value: bigNumberToBN(order.makerFee),
+            type: SolidityTypes.Uint256,
+        },
+        {
+            value: bigNumberToBN(order.takerFee),
+            type: SolidityTypes.Uint256,
+        },
+        {
+            value: bigNumberToBN(order.expirationUnixTimestampSec),
+            type: SolidityTypes.Uint256,
+        },
+        { value: bigNumberToBN(order.salt), type: SolidityTypes.Uint256 },
+    ];
+    const types = _.map(orderParts, o => o.type);
+    const values = _.map(orderParts, o => o.value);
+    const hashBuff = ethABI.soliditySHA3(types, values);
+    const hashHex = ethUtil.bufferToHex(hashBuff);
+    return hashHex;
+}
+
+/**
+ * Checks if the supplied hex encoded order hash is valid.
+ * Note: Valid means it has the expected format, not that an order with the orderHash exists.
+ * Use this method when processing orderHashes submitted as user input.
+ * @param   orderHash    Hex encoded orderHash.
+ * @return  Whether the supplied orderHash has the expected format.
+ */
+export function isValidOrderHash(orderHash: string): boolean {
+    // Since this method can be called to check if any arbitrary string conforms to an orderHash's
+    // format, we only assert that we were indeed passed a string.
+    assert.isString('orderHash', orderHash);
+    const schemaValidator = new SchemaValidator();
+    const isValid = schemaValidator.validate(orderHash, schemas.orderHashSchema).valid;
+    return isValid;
+}
diff --git a/packages/order-utils/src/salt.ts b/packages/order-utils/src/salt.ts
new file mode 100644
index 000000000..90a4197c0
--- /dev/null
+++ b/packages/order-utils/src/salt.ts
@@ -0,0 +1,18 @@
+import { BigNumber } from '@0xproject/utils';
+
+const MAX_DIGITS_IN_UNSIGNED_256_INT = 78;
+
+/**
+ * Generates a pseudo-random 256-bit salt.
+ * The salt can be included in a 0x order, ensuring that the order generates a unique orderHash
+ * and will not collide with other outstanding orders that are identical in all other parameters.
+ * @return  A pseudo-random 256-bit number that can be used as a salt.
+ */
+export function generatePseudoRandomSalt(): BigNumber {
+    // BigNumber.random returns a pseudo-random number between 0 & 1 with a passed in number of decimal places.
+    // Source: https://mikemcl.github.io/bignumber.js/#random
+    const randomNumber = BigNumber.random(MAX_DIGITS_IN_UNSIGNED_256_INT);
+    const factor = new BigNumber(10).pow(MAX_DIGITS_IN_UNSIGNED_256_INT - 1);
+    const salt = randomNumber.times(factor).round();
+    return salt;
+}
diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
new file mode 100644
index 000000000..b511573a8
--- /dev/null
+++ b/packages/order-utils/src/signature_utils.ts
@@ -0,0 +1,119 @@
+import { schemas } from '@0xproject/json-schemas';
+import { ECSignature, Provider } from '@0xproject/types';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as ethUtil from 'ethereumjs-util';
+import * as _ from 'lodash';
+
+import { assert } from './assert';
+import { OrderError } from './types';
+
+/**
+ * Verifies that the elliptic curve signature `signature` was generated
+ * by signing `data` with the private key corresponding to the `signerAddress` address.
+ * @param   data          The hex encoded data signed by the supplied signature.
+ * @param   signature     An object containing the elliptic curve signature parameters.
+ * @param   signerAddress The hex encoded address that signed the data, producing the supplied signature.
+ * @return  Whether the signature is valid for the supplied signerAddress and data.
+ */
+export function isValidSignature(data: string, signature: ECSignature, signerAddress: string): boolean {
+    assert.isHexString('data', data);
+    assert.doesConformToSchema('signature', signature, schemas.ecSignatureSchema);
+    assert.isETHAddressHex('signerAddress', signerAddress);
+    const normalizedSignerAddress = signerAddress.toLowerCase();
+
+    const dataBuff = ethUtil.toBuffer(data);
+    const msgHashBuff = ethUtil.hashPersonalMessage(dataBuff);
+    try {
+        const pubKey = ethUtil.ecrecover(
+            msgHashBuff,
+            signature.v,
+            ethUtil.toBuffer(signature.r),
+            ethUtil.toBuffer(signature.s),
+        );
+        const retrievedAddress = ethUtil.bufferToHex(ethUtil.pubToAddress(pubKey));
+        return retrievedAddress === signerAddress;
+    } catch (err) {
+        return false;
+    }
+}
+/**
+ * Signs an orderHash and returns it's elliptic curve signature.
+ * This method currently supports TestRPC, Geth and Parity above and below V1.6.6
+ * @param   orderHash       Hex encoded orderHash to sign.
+ * @param   signerAddress   The hex encoded Ethereum address you wish to sign it with. This address
+ *          must be available via the Provider supplied to 0x.js.
+ * @param   shouldAddPersonalMessagePrefix  Some signers add the personal message prefix `\x19Ethereum Signed Message`
+ *          themselves (e.g Parity Signer, Ledger, TestRPC) and others expect it to already be done by the client
+ *          (e.g Metamask). Depending on which signer this request is going to, decide on whether to add the prefix
+ *          before sending the request.
+ * @return  An object containing the Elliptic curve signature parameters generated by signing the orderHash.
+ */
+export async function signOrderHashAsync(
+    provider: Provider,
+    orderHash: string,
+    signerAddress: string,
+    shouldAddPersonalMessagePrefix: boolean,
+): Promise<ECSignature> {
+    assert.isHexString('orderHash', orderHash);
+    const web3Wrapper = new Web3Wrapper(provider);
+    await assert.isSenderAddressAsync('signerAddress', signerAddress, web3Wrapper);
+    const normalizedSignerAddress = signerAddress.toLowerCase();
+
+    let msgHashHex = orderHash;
+    if (shouldAddPersonalMessagePrefix) {
+        const orderHashBuff = ethUtil.toBuffer(orderHash);
+        const msgHashBuff = ethUtil.hashPersonalMessage(orderHashBuff);
+        msgHashHex = ethUtil.bufferToHex(msgHashBuff);
+    }
+
+    const signature = await web3Wrapper.signMessageAsync(normalizedSignerAddress, msgHashHex);
+
+    // HACK: There is no consensus on whether the signatureHex string should be formatted as
+    // v + r + s OR r + s + v, and different clients (even different versions of the same client)
+    // return the signature params in different orders. In order to support all client implementations,
+    // we parse the signature in both ways, and evaluate if either one is a valid signature.
+    const validVParamValues = [27, 28];
+    const ecSignatureVRS = parseSignatureHexAsVRS(signature);
+    if (_.includes(validVParamValues, ecSignatureVRS.v)) {
+        const isValidVRSSignature = isValidSignature(orderHash, ecSignatureVRS, normalizedSignerAddress);
+        if (isValidVRSSignature) {
+            return ecSignatureVRS;
+        }
+    }
+
+    const ecSignatureRSV = parseSignatureHexAsRSV(signature);
+    if (_.includes(validVParamValues, ecSignatureRSV.v)) {
+        const isValidRSVSignature = isValidSignature(orderHash, ecSignatureRSV, normalizedSignerAddress);
+        if (isValidRSVSignature) {
+            return ecSignatureRSV;
+        }
+    }
+
+    throw new Error(OrderError.InvalidSignature);
+}
+
+function parseSignatureHexAsVRS(signatureHex: string): ECSignature {
+    const signatureBuffer = ethUtil.toBuffer(signatureHex);
+    let v = signatureBuffer[0];
+    if (v < 27) {
+        v += 27;
+    }
+    const r = signatureBuffer.slice(1, 33);
+    const s = signatureBuffer.slice(33, 65);
+    const ecSignature: ECSignature = {
+        v,
+        r: ethUtil.bufferToHex(r),
+        s: ethUtil.bufferToHex(s),
+    };
+    return ecSignature;
+}
+
+function parseSignatureHexAsRSV(signatureHex: string): ECSignature {
+    const { v, r, s } = ethUtil.fromRpcSig(signatureHex);
+    const ecSignature: ECSignature = {
+        v,
+        r: ethUtil.bufferToHex(r),
+        s: ethUtil.bufferToHex(s),
+    };
+    return ecSignature;
+}
diff --git a/packages/order-utils/src/types.ts b/packages/order-utils/src/types.ts
new file mode 100644
index 000000000..f79d52359
--- /dev/null
+++ b/packages/order-utils/src/types.ts
@@ -0,0 +1,3 @@
+export enum OrderError {
+    InvalidSignature = 'INVALID_SIGNATURE',
+}
diff --git a/packages/order-utils/test/assert_test.ts b/packages/order-utils/test/assert_test.ts
new file mode 100644
index 000000000..dfd19bf86
--- /dev/null
+++ b/packages/order-utils/test/assert_test.ts
@@ -0,0 +1,35 @@
+import { web3Factory } from '@0xproject/dev-utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { assert } from '../src/assert';
+
+import { chaiSetup } from './utils/chai_setup';
+import { web3Wrapper } from './utils/web3_wrapper';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+describe('Assertion library', () => {
+    describe('#isSenderAddressHexAsync', () => {
+        it('throws when address is invalid', async () => {
+            const address = '0xdeadbeef';
+            const varName = 'address';
+            return expect(assert.isSenderAddressAsync(varName, address, web3Wrapper)).to.be.rejectedWith(
+                `Expected ${varName} to be of type ETHAddressHex, encountered: ${address}`,
+            );
+        });
+        it('throws when address is unavailable', async () => {
+            const validUnrelatedAddress = '0x8b0292b11a196601eddce54b665cafeca0347d42';
+            const varName = 'address';
+            return expect(assert.isSenderAddressAsync(varName, validUnrelatedAddress, web3Wrapper)).to.be.rejectedWith(
+                `Specified ${varName} ${validUnrelatedAddress} isn't available through the supplied web3 provider`,
+            );
+        });
+        it("doesn't throw if address is available", async () => {
+            const availableAddress = (await web3Wrapper.getAvailableAddressesAsync())[0];
+            const varName = 'address';
+            return expect(assert.isSenderAddressAsync(varName, availableAddress, web3Wrapper)).to.become(undefined);
+        });
+    });
+});
diff --git a/packages/order-utils/test/order_hash_test.ts b/packages/order-utils/test/order_hash_test.ts
new file mode 100644
index 000000000..b6dda1a43
--- /dev/null
+++ b/packages/order-utils/test/order_hash_test.ts
@@ -0,0 +1,46 @@
+import { web3Factory } from '@0xproject/dev-utils';
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import 'mocha';
+
+import { constants, getOrderHashHex } from '../src';
+
+import { chaiSetup } from './utils/chai_setup';
+import { web3Wrapper } from './utils/web3_wrapper';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+describe('Order hashing', () => {
+    describe('#getOrderHashHex', () => {
+        const expectedOrderHash = '0x39da987067a3c9e5f1617694f1301326ba8c8b0498ebef5df4863bed394e3c83';
+        const fakeExchangeContractAddress = '0xb69e673309512a9d726f87304c6984054f87a93b';
+        const order = {
+            maker: constants.NULL_ADDRESS,
+            taker: constants.NULL_ADDRESS,
+            feeRecipient: constants.NULL_ADDRESS,
+            makerTokenAddress: constants.NULL_ADDRESS,
+            takerTokenAddress: constants.NULL_ADDRESS,
+            exchangeContractAddress: fakeExchangeContractAddress,
+            salt: new BigNumber(0),
+            makerFee: new BigNumber(0),
+            takerFee: new BigNumber(0),
+            makerTokenAmount: new BigNumber(0),
+            takerTokenAmount: new BigNumber(0),
+            expirationUnixTimestampSec: new BigNumber(0),
+        };
+        it('calculates the order hash', async () => {
+            const orderHash = getOrderHashHex(order);
+            expect(orderHash).to.be.equal(expectedOrderHash);
+        });
+        it('throws a readable error message if taker format is invalid', async () => {
+            const orderWithInvalidtakerFormat = {
+                ...order,
+                taker: (null as any) as string,
+            };
+            const expectedErrorMessage =
+                'Order taker must be of type string. If you want anyone to be able to fill an order - pass ZeroEx.NULL_ADDRESS';
+            expect(() => getOrderHashHex(orderWithInvalidtakerFormat)).to.throw(expectedErrorMessage);
+        });
+    });
+});
diff --git a/packages/order-utils/test/signature_utils_test.ts b/packages/order-utils/test/signature_utils_test.ts
new file mode 100644
index 000000000..ede681619
--- /dev/null
+++ b/packages/order-utils/test/signature_utils_test.ts
@@ -0,0 +1,164 @@
+import { web3Factory } from '@0xproject/dev-utils';
+import { JSONRPCErrorCallback, JSONRPCRequestPayload } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as chai from 'chai';
+import * as _ from 'lodash';
+import 'mocha';
+import * as Sinon from 'sinon';
+
+import { generatePseudoRandomSalt, isValidOrderHash, isValidSignature, signOrderHashAsync } from '../src';
+import * as signatureUtils from '../src/signature_utils';
+
+import { chaiSetup } from './utils/chai_setup';
+import { provider, web3Wrapper } from './utils/web3_wrapper';
+
+chaiSetup.configure();
+const expect = chai.expect;
+
+const SHOULD_ADD_PERSONAL_MESSAGE_PREFIX = false;
+
+describe('Signature utils', () => {
+    describe('#isValidSignature', () => {
+        // The Exchange smart contract `isValidSignature` method only validates orderHashes and assumes
+        // the length of the data is exactly 32 bytes. Thus for these tests, we use data of this size.
+        const dataHex = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
+        const signature = {
+            v: 27,
+            r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
+            s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
+        };
+        const address = '0x5409ed021d9299bf6814279a6a1411a7e866a631';
+        it("should return false if the data doesn't pertain to the signature & address", async () => {
+            expect(isValidSignature('0x0', signature, address)).to.be.false();
+        });
+        it("should return false if the address doesn't pertain to the signature & data", async () => {
+            const validUnrelatedAddress = '0x8b0292b11a196601ed2ce54b665cafeca0347d42';
+            expect(isValidSignature(dataHex, signature, validUnrelatedAddress)).to.be.false();
+        });
+        it("should return false if the signature doesn't pertain to the dataHex & address", async () => {
+            const wrongSignature = _.assign({}, signature, { v: 28 });
+            expect(isValidSignature(dataHex, wrongSignature, address)).to.be.false();
+        });
+        it('should return true if the signature does pertain to the dataHex & address', async () => {
+            const isValidSignatureLocal = isValidSignature(dataHex, signature, address);
+            expect(isValidSignatureLocal).to.be.true();
+        });
+    });
+    describe('#generateSalt', () => {
+        it('generates different salts', () => {
+            const equal = generatePseudoRandomSalt().eq(generatePseudoRandomSalt());
+            expect(equal).to.be.false();
+        });
+        it('generates salt in range [0..2^256)', () => {
+            const salt = generatePseudoRandomSalt();
+            expect(salt.greaterThanOrEqualTo(0)).to.be.true();
+            const twoPow256 = new BigNumber(2).pow(256);
+            expect(salt.lessThan(twoPow256)).to.be.true();
+        });
+    });
+    describe('#isValidOrderHash', () => {
+        it('returns false if the value is not a hex string', () => {
+            const isValid = isValidOrderHash('not a hex');
+            expect(isValid).to.be.false();
+        });
+        it('returns false if the length is wrong', () => {
+            const isValid = isValidOrderHash('0xdeadbeef');
+            expect(isValid).to.be.false();
+        });
+        it('returns true if order hash is correct', () => {
+            const isValid = isValidOrderHash('0x' + Array(65).join('0'));
+            expect(isValid).to.be.true();
+        });
+    });
+    describe('#signOrderHashAsync', () => {
+        let stubs: Sinon.SinonStub[] = [];
+        let makerAddress: string;
+        before(async () => {
+            const availableAddreses = await web3Wrapper.getAvailableAddressesAsync();
+            makerAddress = availableAddreses[0];
+        });
+        afterEach(() => {
+            // clean up any stubs after the test has completed
+            _.each(stubs, s => s.restore());
+            stubs = [];
+        });
+        it('Should return the correct ECSignature', async () => {
+            const orderHash = '0x6927e990021d23b1eb7b8789f6a6feaf98fe104bb0cf8259421b79f9a34222b0';
+            const expectedECSignature = {
+                v: 27,
+                r: '0x61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc33',
+                s: '0x40349190569279751135161d22529dc25add4f6069af05be04cacbda2ace2254',
+            };
+            const ecSignature = await signOrderHashAsync(
+                provider,
+                orderHash,
+                makerAddress,
+                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
+            );
+            expect(ecSignature).to.deep.equal(expectedECSignature);
+        });
+        it('should return the correct ECSignature for signatureHex concatenated as R + S + V', async () => {
+            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
+            const expectedECSignature = {
+                v: 27,
+                r: '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d87287113',
+                s: '0x7feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b',
+            };
+
+            const fakeProvider = {
+                async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback) {
+                    if (payload.method === 'eth_sign') {
+                        const [address, message] = payload.params;
+                        const signature = await web3Wrapper.signMessageAsync(address, message);
+                        callback(null, {
+                            id: 42,
+                            jsonrpc: '2.0',
+                            result: `0x${signature.substr(130)}${signature.substr(2, 128)}`,
+                        });
+                    } else {
+                        callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
+                    }
+                },
+            };
+
+            const ecSignature = await signOrderHashAsync(
+                fakeProvider,
+                orderHash,
+                makerAddress,
+                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
+            );
+            expect(ecSignature).to.deep.equal(expectedECSignature);
+        });
+        it('should return the correct ECSignature for signatureHex concatenated as V + R + S', async () => {
+            const orderHash = '0x34decbedc118904df65f379a175bb39ca18209d6ce41d5ed549d54e6e0a95004';
+            const expectedECSignature = {
+                v: 27,
+                r: '0x117902c86dfb95fe0d1badd983ee166ad259b27acb220174cbb4460d87287113',
+                s: '0x7feabdfe76e05924b484789f79af4ee7fa29ec006cedce1bbf369320d034e10b',
+            };
+            const fakeProvider = {
+                async sendAsync(payload: JSONRPCRequestPayload, callback: JSONRPCErrorCallback) {
+                    if (payload.method === 'eth_sign') {
+                        const [address, message] = payload.params;
+                        const signature = await web3Wrapper.signMessageAsync(address, message);
+                        callback(null, {
+                            id: 42,
+                            jsonrpc: '2.0',
+                            result: signature,
+                        });
+                    } else {
+                        callback(null, { id: 42, jsonrpc: '2.0', result: [makerAddress] });
+                    }
+                },
+            };
+
+            const ecSignature = await signOrderHashAsync(
+                fakeProvider,
+                orderHash,
+                makerAddress,
+                SHOULD_ADD_PERSONAL_MESSAGE_PREFIX,
+            );
+            expect(ecSignature).to.deep.equal(expectedECSignature);
+        });
+    });
+});
diff --git a/packages/order-utils/test/utils/chai_setup.ts b/packages/order-utils/test/utils/chai_setup.ts
new file mode 100644
index 000000000..078edd309
--- /dev/null
+++ b/packages/order-utils/test/utils/chai_setup.ts
@@ -0,0 +1,13 @@
+import * as chai from 'chai';
+import chaiAsPromised = require('chai-as-promised');
+import ChaiBigNumber = require('chai-bignumber');
+import * as dirtyChai from 'dirty-chai';
+
+export const chaiSetup = {
+    configure() {
+        chai.config.includeStack = true;
+        chai.use(ChaiBigNumber());
+        chai.use(dirtyChai);
+        chai.use(chaiAsPromised);
+    },
+};
diff --git a/packages/order-utils/test/utils/web3_wrapper.ts b/packages/order-utils/test/utils/web3_wrapper.ts
new file mode 100644
index 000000000..b0ccfa546
--- /dev/null
+++ b/packages/order-utils/test/utils/web3_wrapper.ts
@@ -0,0 +1,9 @@
+import { devConstants, web3Factory } from '@0xproject/dev-utils';
+import { Provider } from '@0xproject/types';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+
+const web3 = web3Factory.create({ shouldUseInProcessGanache: true });
+const provider: Provider = web3.currentProvider;
+const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+
+export { provider, web3Wrapper };
diff --git a/packages/order-utils/tsconfig.json b/packages/order-utils/tsconfig.json
new file mode 100644
index 000000000..8b4cd47a2
--- /dev/null
+++ b/packages/order-utils/tsconfig.json
@@ -0,0 +1,7 @@
+{
+    "extends": "../../tsconfig",
+    "compilerOptions": {
+        "outDir": "lib"
+    },
+    "include": ["src/**/*", "test/**/*"]
+}
diff --git a/packages/order-utils/tslint.json b/packages/order-utils/tslint.json
new file mode 100644
index 000000000..ffaefe83a
--- /dev/null
+++ b/packages/order-utils/tslint.json
@@ -0,0 +1,3 @@
+{
+    "extends": ["@0xproject/tslint-config"]
+}
diff --git a/packages/react-docs-example/package.json b/packages/react-docs-example/package.json
index 8584ebe9d..ec46957d2 100644
--- a/packages/react-docs-example/package.json
+++ b/packages/react-docs-example/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0xproject/react-docs-example",
-    "version": "0.0.8",
+    "version": "0.0.11",
     "description": "An example app using react-docs",
     "scripts": {
         "lint": "tslint --project . 'ts/**/*.ts' 'ts/**/*.tsx'",
@@ -23,11 +23,11 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "0.18.0",
         "@types/node": "^8.0.53",
-        "@types/react": "^16.0.34",
+        "@types/react": "16.3.13",
         "@types/react-dom": "^16.0.3",
         "@types/react-tap-event-plugin": "0.0.30",
         "awesome-typescript-loader": "^3.1.3",
@@ -46,7 +46,7 @@
         "webpack-dev-server": "^2.11.1"
     },
     "dependencies": {
-        "@0xproject/react-docs": "^0.0.8",
+        "@0xproject/react-docs": "^0.0.11",
         "basscss": "^8.0.3",
         "lodash": "^4.17.4",
         "material-ui": "^0.17.1",
diff --git a/packages/react-docs-example/yarn.lock b/packages/react-docs-example/yarn.lock
deleted file mode 100644
index 0251ad5d6..000000000
--- a/packages/react-docs-example/yarn.lock
+++ /dev/null
@@ -1,5100 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
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-  resolved "https://registry.yarnpkg.com/@0xproject/react-docs/-/react-docs-0.0.1.tgz#329d85be3c66d8a877dca7860c586b60c671ef7d"
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-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/basscss-padding/-/basscss-padding-1.1.3.tgz#69db799414e6dd58bed83776952cc299e2e6874e"
-
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-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/basscss-position/-/basscss-position-2.0.3.tgz#467180a1f8f386e9072ed8d08294d2a6e0ba4305"
-
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-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/basscss-type-scale/-/basscss-type-scale-1.0.5.tgz#23bf5e41c9d142c8061cf9829ccf23e9b3258ec7"
-
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-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/basscss-typography/-/basscss-typography-3.0.4.tgz#ec946a2bad8dd1af97be9ea108ad4bb7be932464"
-
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-  version "8.0.4"
-  resolved "https://registry.yarnpkg.com/basscss/-/basscss-8.0.4.tgz#b371a2ce25aeb9b322302f37f4e425753dd29ae1"
-  dependencies:
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-    basscss-border "^4.0.2"
-    basscss-flexbox "^1.0.2"
-    basscss-grid "^2.0.0"
-    basscss-hide "^1.0.1"
-    basscss-layout "^3.1.0"
-    basscss-margin "^1.0.8"
-    basscss-padding "^1.1.3"
-    basscss-position "^2.0.3"
-    basscss-type-scale "^1.0.5"
-    basscss-typography "^3.0.4"
-
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-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/batch/-/batch-0.6.1.tgz#dc34314f4e679318093fc760272525f94bf25c16"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
-  dependencies:
-    tweetnacl "^0.14.3"
-
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-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.2.0.tgz#a5fc298b81b9e0dca2e458824784b65c52ba588e"
-
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-  version "1.11.0"
-  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
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-  version "0.0.9"
-  resolved "https://registry.yarnpkg.com/block-stream/-/block-stream-0.0.9.tgz#13ebfe778a03205cfe03751481ebb4b3300c126a"
-  dependencies:
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-
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-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-
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-  version "1.18.2"
-  resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
-  dependencies:
-    bytes "3.0.0"
-    content-type "~1.0.4"
-    debug "2.6.9"
-    depd "~1.1.1"
-    http-errors "~1.6.2"
-    iconv-lite "0.4.19"
-    on-finished "~2.3.0"
-    qs "6.5.1"
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-    type-is "~1.6.15"
-
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-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/bonjour/-/bonjour-3.5.0.tgz#8e890a183d8ee9a2393b3844c691a42bcf7bc9f5"
-  dependencies:
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-    deep-equal "^1.0.1"
-    dns-equal "^1.0.0"
-    dns-txt "^2.0.2"
-    multicast-dns "^6.0.1"
-    multicast-dns-service-types "^1.1.0"
-
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-  version "2.10.1"
-  resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
-  dependencies:
-    hoek "2.x.x"
-
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-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/bowser/-/bowser-1.9.2.tgz#d66fc868ca5f4ba895bee1363c343fe7b37d3394"
-
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-  version "1.1.11"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
-  dependencies:
-    balanced-match "^1.0.0"
-    concat-map "0.0.1"
-
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-  version "1.8.5"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-1.8.5.tgz#ba77962e12dff969d6b76711e914b737857bf6a7"
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-    expand-range "^1.8.1"
-    preserve "^0.2.0"
-    repeat-element "^1.1.2"
-
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-  version "2.3.1"
-  resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.1.tgz#7086c913b4e5a08dbe37ac0ee6a2500c4ba691bb"
-  dependencies:
-    arr-flatten "^1.1.0"
-    array-unique "^0.3.2"
-    define-property "^1.0.0"
-    extend-shallow "^2.0.1"
-    fill-range "^4.0.0"
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-    snapdragon "^0.8.1"
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-    split-string "^3.0.2"
-    to-regex "^3.0.1"
-
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.1.1.tgz#38b7ab55edb806ff2dcda1a7f1620773a477c49f"
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-    cipher-base "^1.0.0"
-    create-hash "^1.1.0"
-    evp_bytestokey "^1.0.3"
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.0.tgz#9988244874bf5ed4e28da95666dcd66ac8fc363a"
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-    browserify-aes "^1.0.4"
-    browserify-des "^1.0.0"
-    evp_bytestokey "^1.0.0"
-
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/browserify-des/-/browserify-des-1.0.0.tgz#daa277717470922ed2fe18594118a175439721dd"
-  dependencies:
-    cipher-base "^1.0.1"
-    des.js "^1.0.0"
-    inherits "^2.0.1"
-
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-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
-  dependencies:
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-    randombytes "^2.0.1"
-
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-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.0.4.tgz#aa4eb68e5d7b658baa6bf6a57e630cbd7a93d298"
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-    bn.js "^4.1.1"
-    browserify-rsa "^4.0.0"
-    create-hash "^1.1.0"
-    create-hmac "^1.1.2"
-    elliptic "^6.0.0"
-    inherits "^2.0.1"
-    parse-asn1 "^5.0.0"
-
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.2.0.tgz#2869459d9aa3be245fe8fe2ca1f46e2e7f54d73f"
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-    pako "~1.0.5"
-
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-  version "1.7.7"
-  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-1.7.7.tgz#0bd76704258be829b2398bb50e4b62d1a166b0b9"
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-    electron-to-chromium "^1.2.7"
-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/buffer-indexof/-/buffer-indexof-1.1.1.tgz#52fabcc6a606d1a00302802648ef68f639da268c"
-
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-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
-
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-  version "4.9.1"
-  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
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-    ieee754 "^1.1.4"
-    isarray "^1.0.0"
-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
-
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
-
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
-
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-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
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-
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
-  dependencies:
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-    map-obj "^1.0.0"
-
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-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
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-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
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-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
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-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
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-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.6.1.tgz#b534e7c734c4f81ec5fbe8aca2ad24354b962c6c"
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-caniuse-db@^1.0.30000529, caniuse-db@^1.0.30000634, caniuse-db@^1.0.30000639:
-  version "1.0.30000813"
-  resolved "https://registry.yarnpkg.com/caniuse-db/-/caniuse-db-1.0.30000813.tgz#e0a1c603f8880ad787b2a35652b2733f32a5e29a"
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-  version "0.12.0"
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-  version "0.1.3"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/chain-function/-/chain-function-1.0.0.tgz#0d4ab37e7e18ead0bdc47b920764118ce58733dc"
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-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
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-chalk@^2.1.0, chalk@^2.3.0, chalk@^2.3.1:
-  version "2.3.2"
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/character-entities-legacy/-/character-entities-legacy-1.1.1.tgz#f40779df1a101872bb510a3d295e1fccf147202f"
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/character-reference-invalid/-/character-reference-invalid-1.1.1.tgz#942835f750e4ec61a308e60c2ef8cc1011202efc"
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-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.0.2.tgz#4dc65139eeb2714977735b6a35d06e97b494dfd7"
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-cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
-  version "1.0.4"
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-  version "2.2.5"
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
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-  version "3.2.0"
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-  version "1.0.3"
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-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
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-  version "1.1.0"
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-  version "1.0.3"
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-  version "1.0.0"
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-  version "0.3.0"
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-  resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
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-  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
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-  version "2.15.0"
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-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.1.0.tgz#43310256a5c555aaed4193c04d8f154cf9c6efd5"
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-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
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-  version "2.0.13"
-  resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.13.tgz#0d1020ab924b2fdb4d6279875c7d6daba6baa7a9"
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-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/compression/-/compression-1.7.2.tgz#aaffbcd6aaf854b44ebb280353d5ad1651f59a69"
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-    bytes "3.0.0"
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-  resolved "https://registry.yarnpkg.com/connect-history-api-fallback/-/connect-history-api-fallback-1.5.0.tgz#b06873934bc5e344fef611a196a6faae0aee015a"
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-  resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
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-  resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
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-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.4.tgz#e138cc75e040c727b1966fe5e5f8c9aee256fe3b"
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-  version "1.0.6"
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-  version "4.0.0"
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-  version "5.1.0"
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-  version "3.12.0"
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-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
-  dependencies:
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-    brorand "^1.0.1"
-    hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
-
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-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/emojis-list/-/emojis-list-2.1.0.tgz#4daa4d9db00f9819880c79fa457ae5b09a1fd389"
-
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
-
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-  version "0.1.12"
-  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
-  dependencies:
-    iconv-lite "~0.4.13"
-
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-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.3.0.tgz#950964ecc7f0332a42321b673b38dc8ff15535b3"
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-    memory-fs "^0.4.0"
-    object-assign "^4.0.1"
-    tapable "^0.2.5"
-
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-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/enhanced-resolve/-/enhanced-resolve-3.4.1.tgz#0421e339fd71419b3da13d129b3979040230476e"
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-    graceful-fs "^4.1.2"
-    memory-fs "^0.4.0"
-    object-assign "^4.0.1"
-    tapable "^0.2.7"
-
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-  version "0.1.7"
-  resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
-  dependencies:
-    prr "~1.0.1"
-
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-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
-  dependencies:
-    is-arrayish "^0.2.1"
-
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-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.10.0.tgz#1ecb36c197842a00d8ee4c2dfd8646bb97d60864"
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-    function-bind "^1.1.1"
-    has "^1.0.1"
-    is-callable "^1.1.3"
-    is-regex "^1.0.4"
-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.1.1.tgz#45355248a88979034b6792e19bb81f2b7975dd0d"
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-    is-callable "^1.1.1"
-    is-date-object "^1.0.1"
-    is-symbol "^1.0.1"
-
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-  version "0.10.39"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.39.tgz#fca21b67559277ca4ac1a1ed7048b107b6f76d87"
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-    es6-symbol "~3.1.1"
-
-es6-iterator@^2.0.1, es6-iterator@~2.0.1, es6-iterator@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
-  dependencies:
-    d "1"
-    es5-ext "^0.10.35"
-    es6-symbol "^3.1.1"
-
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-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/es6-map/-/es6-map-0.1.5.tgz#9136e0503dcc06a301690f0bb14ff4e364e949f0"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-    es6-iterator "~2.0.1"
-    es6-set "~0.1.5"
-    es6-symbol "~3.1.1"
-    event-emitter "~0.3.5"
-
-es6-object-assign@^1.0.3:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/es6-object-assign/-/es6-object-assign-1.1.0.tgz#c2c3582656247c39ea107cb1e6652b6f9f24523c"
-
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-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/es6-set/-/es6-set-0.1.5.tgz#d2b3ec5d4d800ced818db538d28974db0a73ccb1"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-    es6-iterator "~2.0.1"
-    es6-symbol "3.1.1"
-    event-emitter "~0.3.5"
-
-es6-symbol@3.1.1, es6-symbol@^3.1.1, es6-symbol@~3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.1.tgz#bf00ef4fdab6ba1b46ecb7b629b4c7ed5715cc77"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-
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-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.2.tgz#5e3ab32251ffd1538a1f8e5ffa1357772f92d96f"
-  dependencies:
-    d "1"
-    es5-ext "^0.10.14"
-    es6-iterator "^2.0.1"
-    es6-symbol "^3.1.1"
-
-escape-html@~1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
-
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-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
-
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-  version "3.6.0"
-  resolved "https://registry.yarnpkg.com/escope/-/escope-3.6.0.tgz#e01975e812781a163a6dadfdd80398dc64c889c3"
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-    es6-map "^0.1.3"
-    es6-weak-map "^2.0.1"
-    esrecurse "^4.1.0"
-    estraverse "^4.1.1"
-
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-  version "2.7.3"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
-
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-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
-
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-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.2.1.tgz#007a3b9fdbc2b3bb87e4879ea19c92fdbd3942cf"
-  dependencies:
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-
-estraverse@^4.1.0, estraverse@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
-
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-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/esutils/-/esutils-1.1.6.tgz#c01ccaa9ae4b897c6d0c3e210ae52f3c7a844375"
-
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-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
-
-etag@~1.8.1:
-  version "1.8.1"
-  resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
-
-event-emitter@~0.3.5:
-  version "0.3.5"
-  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
-  dependencies:
-    d "1"
-    es5-ext "~0.10.14"
-
-eventemitter3@1.x.x:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
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-  version "0.1.6"
-  resolved "https://registry.yarnpkg.com/eventsource/-/eventsource-0.1.6.tgz#0acede849ed7dd1ccc32c811bb11b944d4f29232"
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-    original ">=0.0.5"
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-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
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-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
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-    get-stream "^3.0.0"
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-    strip-eof "^1.0.0"
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-  version "0.1.5"
-  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
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-
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-  version "2.1.4"
-  resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-2.1.4.tgz#b77735e315ce30f6b6eff0f83b04151a22449622"
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-  version "1.8.2"
-  resolved "https://registry.yarnpkg.com/expand-range/-/expand-range-1.8.2.tgz#a299effd335fe2721ebae8e257ec79644fc85337"
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-  version "4.16.2"
-  resolved "https://registry.yarnpkg.com/express/-/express-4.16.2.tgz#e35c6dfe2d64b7dca0a5cd4f21781be3299e076c"
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-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
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-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-3.0.2.tgz#26a71aaf073b39fb2127172746131c2704028db8"
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-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.1.tgz#a755ea7bc1adfcc5a31ce7e762dbaadc5e636444"
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-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
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-extglob@^2.0.4:
-  version "2.0.4"
-  resolved "https://registry.yarnpkg.com/extglob/-/extglob-2.0.4.tgz#ad00fe4dc612a9232e8718711dc5cb5ab0285543"
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-extsprintf@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
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-extsprintf@^1.2.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.4.0.tgz#e2689f8f356fad62cca65a3a91c5df5f9551692f"
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz#c053477817c86b51daa853c81e059b733d023614"
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-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.1.tgz#d1e2643b38a94d7583b479060e6c4affc94071f8"
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-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
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-fbjs@^0.8.1, fbjs@^0.8.16, fbjs@^0.8.4, fbjs@^0.8.6, fbjs@^0.8.9:
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-  version "2.2.3"
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-  version "4.0.0"
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-  version "2.1.0"
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-  version "1.0.2"
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-  version "0.1.2"
-  resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.1.2.tgz#98c23dab1175657b8c0573e8ceccd91b0ff18c84"
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-  resolved "https://registry.yarnpkg.com/reduce-css-calc/-/reduce-css-calc-1.3.0.tgz#747c914e049614a4c9cfbba629871ad1d2927716"
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/reduce-function-call/-/reduce-function-call-1.0.2.tgz#5a200bf92e0e37751752fe45b0ab330fd4b6be99"
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-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.3.tgz#0c336d3980553d755c39b586ae3b20aa49c82b7f"
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-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
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-  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
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-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
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-    safe-regex "^1.1.0"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-1.0.0.tgz#86a763f58ee4d7c2f6b102e4764050de7ed90c6b"
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-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.2.0.tgz#6c016adeac554f75823fe37ac05b92d5a4edb1f7"
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-  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.1.5.tgz#7ee8f84dc6fa792d3fd0ae228d24bd949ead205c"
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-
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-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/remark-parse/-/remark-parse-5.0.0.tgz#4c077f9e499044d1d5c13f80d7a98cf7b9285d95"
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-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
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-  resolved "https://registry.yarnpkg.com/repeat-element/-/repeat-element-1.1.2.tgz#ef089a178d1483baae4d93eb98b4f9e4e11d990a"
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-  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
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-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/replace-ext/-/replace-ext-1.0.0.tgz#de63128373fcbf7c3ccfa4de5a480c45a67958eb"
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-  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
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-  resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
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-  version "3.0.0"
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-  version "2.0.0"
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-  resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
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-    get-value "^2.0.6"
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-    set-value "^0.4.3"
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-uniq@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
-
-uniqid@^4.0.0:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/uniqid/-/uniqid-4.1.1.tgz#89220ddf6b751ae52b5f72484863528596bb84c1"
-  dependencies:
-    macaddress "^0.2.8"
-
-uniqs@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
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-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/unist-util-is/-/unist-util-is-2.1.1.tgz#0c312629e3f960c66e931e812d3d80e77010947b"
-
-unist-util-remove-position@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/unist-util-remove-position/-/unist-util-remove-position-1.1.1.tgz#5a85c1555fc1ba0c101b86707d15e50fa4c871bb"
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-    unist-util-visit "^1.1.0"
-
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-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/unist-util-stringify-position/-/unist-util-stringify-position-1.1.1.tgz#3ccbdc53679eed6ecf3777dd7f5e3229c1b6aa3c"
-
-unist-util-visit@^1.1.0, unist-util-visit@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/unist-util-visit/-/unist-util-visit-1.3.0.tgz#41ca7c82981fd1ce6c762aac397fc24e35711444"
-  dependencies:
-    unist-util-is "^2.1.1"
-
-unpipe@1.0.0, unpipe@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
-
-unset-value@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/unset-value/-/unset-value-1.0.0.tgz#8376873f7d2335179ffb1e6fc3a8ed0dfc8ab559"
-  dependencies:
-    has-value "^0.3.1"
-    isobject "^3.0.0"
-
-upath@^1.0.0:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/upath/-/upath-1.0.4.tgz#ee2321ba0a786c50973db043a50b7bcba822361d"
-
-urix@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/urix/-/urix-0.1.0.tgz#da937f7a62e21fec1fd18d49b35c2935067a6c72"
-
-url-parse@1.0.x:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.0.5.tgz#0854860422afdcfefeb6c965c662d4800169927b"
-  dependencies:
-    querystringify "0.0.x"
-    requires-port "1.0.x"
-
-url-parse@^1.1.8:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.2.0.tgz#3a19e8aaa6d023ddd27dcc44cb4fc8f7fec23986"
-  dependencies:
-    querystringify "~1.0.0"
-    requires-port "~1.0.0"
-
-url@^0.11.0:
-  version "0.11.0"
-  resolved "https://registry.yarnpkg.com/url/-/url-0.11.0.tgz#3838e97cfc60521eb73c525a8e55bfdd9e2e28f1"
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-    punycode "1.3.2"
-    querystring "0.2.0"
-
-use@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/use/-/use-2.0.2.tgz#ae28a0d72f93bf22422a18a2e379993112dec8e8"
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-    define-property "^0.2.5"
-    isobject "^3.0.0"
-    lazy-cache "^2.0.2"
-
-util-deprecate@~1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
-
-util@0.10.3, util@^0.10.3:
-  version "0.10.3"
-  resolved "https://registry.yarnpkg.com/util/-/util-0.10.3.tgz#7afb1afe50805246489e3db7fe0ed379336ac0f9"
-  dependencies:
-    inherits "2.0.1"
-
-utils-merge@1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.1.tgz#9f95710f50a267947b2ccc124741c1028427e713"
-
-uuid@^3.0.0, uuid@^3.0.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
-
-validate-npm-package-license@^3.0.1:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz#81643bcbef1bdfecd4623793dc4648948ba98338"
-  dependencies:
-    spdx-correct "^3.0.0"
-    spdx-expression-parse "^3.0.0"
-
-vary@~1.1.2:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
-
-vendors@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/vendors/-/vendors-1.0.1.tgz#37ad73c8ee417fb3d580e785312307d274847f22"
-
-verror@1.10.0:
-  version "1.10.0"
-  resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
-  dependencies:
-    assert-plus "^1.0.0"
-    core-util-is "1.0.2"
-    extsprintf "^1.2.0"
-
-vfile-location@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.yarnpkg.com/vfile-location/-/vfile-location-2.0.2.tgz#d3675c59c877498e492b4756ff65e4af1a752255"
-
-vfile-message@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/vfile-message/-/vfile-message-1.0.0.tgz#a6adb0474ea400fa25d929f1d673abea6a17e359"
-  dependencies:
-    unist-util-stringify-position "^1.1.1"
-
-vfile@^2.0.0:
-  version "2.3.0"
-  resolved "https://registry.yarnpkg.com/vfile/-/vfile-2.3.0.tgz#e62d8e72b20e83c324bc6c67278ee272488bf84a"
-  dependencies:
-    is-buffer "^1.1.4"
-    replace-ext "1.0.0"
-    unist-util-stringify-position "^1.0.0"
-    vfile-message "^1.0.0"
-
-vm-browserify@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-0.0.4.tgz#5d7ea45bbef9e4a6ff65f95438e0a87c357d5a73"
-  dependencies:
-    indexof "0.0.1"
-
-warning@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/warning/-/warning-3.0.0.tgz#32e5377cb572de4ab04753bdf8821c01ed605b7c"
-  dependencies:
-    loose-envify "^1.0.0"
-
-watchpack@^1.4.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.5.0.tgz#231e783af830a22f8966f65c4c4bacc814072eed"
-  dependencies:
-    chokidar "^2.0.2"
-    graceful-fs "^4.1.2"
-    neo-async "^2.5.0"
-
-wbuf@^1.1.0, wbuf@^1.7.2:
-  version "1.7.2"
-  resolved "https://registry.yarnpkg.com/wbuf/-/wbuf-1.7.2.tgz#d697b99f1f59512df2751be42769c1580b5801fe"
-  dependencies:
-    minimalistic-assert "^1.0.0"
-
-webpack-dev-middleware@1.12.2:
-  version "1.12.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-1.12.2.tgz#f8fc1120ce3b4fc5680ceecb43d777966b21105e"
-  dependencies:
-    memory-fs "~0.4.1"
-    mime "^1.5.0"
-    path-is-absolute "^1.0.0"
-    range-parser "^1.0.3"
-    time-stamp "^2.0.0"
-
-webpack-dev-server@^2.11.1:
-  version "2.11.2"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-2.11.2.tgz#1f4f4c78bf1895378f376815910812daf79a216f"
-  dependencies:
-    ansi-html "0.0.7"
-    array-includes "^3.0.3"
-    bonjour "^3.5.0"
-    chokidar "^2.0.0"
-    compression "^1.5.2"
-    connect-history-api-fallback "^1.3.0"
-    debug "^3.1.0"
-    del "^3.0.0"
-    express "^4.16.2"
-    html-entities "^1.2.0"
-    http-proxy-middleware "~0.17.4"
-    import-local "^1.0.0"
-    internal-ip "1.2.0"
-    ip "^1.1.5"
-    killable "^1.0.0"
-    loglevel "^1.4.1"
-    opn "^5.1.0"
-    portfinder "^1.0.9"
-    selfsigned "^1.9.1"
-    serve-index "^1.7.2"
-    sockjs "0.3.19"
-    sockjs-client "1.1.4"
-    spdy "^3.4.1"
-    strip-ansi "^3.0.0"
-    supports-color "^5.1.0"
-    webpack-dev-middleware "1.12.2"
-    yargs "6.6.0"
-
-webpack-sources@^1.0.1:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
-  dependencies:
-    source-list-map "^2.0.0"
-    source-map "~0.6.1"
-
-webpack@^3.11.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-3.11.0.tgz#77da451b1d7b4b117adaf41a1a93b5742f24d894"
-  dependencies:
-    acorn "^5.0.0"
-    acorn-dynamic-import "^2.0.0"
-    ajv "^6.1.0"
-    ajv-keywords "^3.1.0"
-    async "^2.1.2"
-    enhanced-resolve "^3.4.0"
-    escope "^3.6.0"
-    interpret "^1.0.0"
-    json-loader "^0.5.4"
-    json5 "^0.5.1"
-    loader-runner "^2.3.0"
-    loader-utils "^1.1.0"
-    memory-fs "~0.4.1"
-    mkdirp "~0.5.0"
-    node-libs-browser "^2.0.0"
-    source-map "^0.5.3"
-    supports-color "^4.2.1"
-    tapable "^0.2.7"
-    uglifyjs-webpack-plugin "^0.4.6"
-    watchpack "^1.4.0"
-    webpack-sources "^1.0.1"
-    yargs "^8.0.2"
-
-websocket-driver@>=0.5.1:
-  version "0.7.0"
-  resolved "https://registry.yarnpkg.com/websocket-driver/-/websocket-driver-0.7.0.tgz#0caf9d2d755d93aee049d4bdd0d3fe2cca2a24eb"
-  dependencies:
-    http-parser-js ">=0.4.0"
-    websocket-extensions ">=0.1.1"
-
-websocket-extensions@>=0.1.1:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/websocket-extensions/-/websocket-extensions-0.1.3.tgz#5d2ff22977003ec687a4b87073dfbbac146ccf29"
-
-whatwg-fetch@>=0.10.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
-
-whet.extend@~0.9.9:
-  version "0.9.9"
-  resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
-
-which-module@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
-
-which-module@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
-
-which@^1.2.9:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
-  dependencies:
-    isexe "^2.0.0"
-
-wide-align@^1.1.0:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.2.tgz#571e0f1b0604636ebc0dfc21b0339bbe31341710"
-  dependencies:
-    string-width "^1.0.2"
-
-window-size@0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
-
-wordwrap@0.0.2:
-  version "0.0.2"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
-
-wrap-ansi@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
-  dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-
-wrappy@1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
-
-x-is-function@^1.0.4:
-  version "1.0.4"
-  resolved "https://registry.yarnpkg.com/x-is-function/-/x-is-function-1.0.4.tgz#5d294dc3d268cbdd062580e0c5df77a391d1fa1e"
-
-x-is-string@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/x-is-string/-/x-is-string-0.1.0.tgz#474b50865af3a49a9c4657f05acd145458f77d82"
-
-xtend@^4.0.0, xtend@^4.0.1:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
-
-y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
-
-yallist@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
-
-yargs-parser@^4.2.0:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
-  dependencies:
-    camelcase "^3.0.0"
-
-yargs-parser@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
-  dependencies:
-    camelcase "^4.1.0"
-
-yargs@6.6.0:
-  version "6.6.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
-  dependencies:
-    camelcase "^3.0.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    os-locale "^1.4.0"
-    read-pkg-up "^1.0.1"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^1.0.2"
-    which-module "^1.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^4.2.0"
-
-yargs@^8.0.2:
-  version "8.0.2"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
-  dependencies:
-    camelcase "^4.1.0"
-    cliui "^3.2.0"
-    decamelize "^1.1.1"
-    get-caller-file "^1.0.1"
-    os-locale "^2.0.0"
-    read-pkg-up "^2.0.0"
-    require-directory "^2.1.1"
-    require-main-filename "^1.0.1"
-    set-blocking "^2.0.0"
-    string-width "^2.0.0"
-    which-module "^2.0.0"
-    y18n "^3.2.1"
-    yargs-parser "^7.0.0"
-
-yargs@~3.10.0:
-  version "3.10.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
-  dependencies:
-    camelcase "^1.0.2"
-    cliui "^2.1.0"
-    decamelize "^1.0.0"
-    window-size "0.1.0"
diff --git a/packages/react-docs/CHANGELOG.json b/packages/react-docs/CHANGELOG.json
index b7a4cb058..0cb767dfc 100644
--- a/packages/react-docs/CHANGELOG.json
+++ b/packages/react-docs/CHANGELOG.json
@@ -1,5 +1,32 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.0.11",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525466747,
+        "version": "0.0.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "0.0.8",
         "changes": [
             {
diff --git a/packages/react-docs/CHANGELOG.md b/packages/react-docs/CHANGELOG.md
index c79b6888d..8a0afbeed 100644
--- a/packages/react-docs/CHANGELOG.md
+++ b/packages/react-docs/CHANGELOG.md
@@ -5,13 +5,25 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.0.11 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.10 - _May 4, 2018_
+
+    * Dependencies updated
+
+## v0.0.9 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.0.8 - _April 18, 2018_
 
     * Added support for rendering default param values (#519)
     * Added support for rendering nested function types within interface types (#519)
     * Improve type comment rendering (#535)
 
-## v0.0.7 - _April 12, 2018_
+## v0.0.7 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -26,11 +38,11 @@ CHANGELOG
     * Rename `MethodBlock` to `SignatureBlock` since it is not used to render method and function signature blocks. (#465)
     * Add support for documenting exported functions. (#465)
 
-## v0.0.3 - _March 18, 2018_
+## v0.0.3 - _March 17, 2018_
 
     * Move TS typings from devDependencies to dependencies since they are needed by the package user.
 
-## v0.0.2 - _March 18, 2018_
+## v0.0.2 - _March 17, 2018_
 
     * Move example out into a separate sub-package
     * Consolidate all `console.log` calls into `logUtils` in the `@0xproject/utils` package (#452)
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index 50b7c1251..fd4b7c676 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/react-docs",
-    "version": "0.0.8",
+    "version": "0.0.11",
     "description": "React documentation component for rendering TypeDoc & Doxity generated JSON",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -22,21 +22,21 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
         "tslint": "^5.9.1",
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/react-shared": "^0.1.3",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/react-shared": "^0.1.6",
+        "@0xproject/utils": "^0.6.1",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "0.18.0",
         "@types/node": "^8.0.53",
-        "@types/react": "^16.0.34",
+        "@types/react": "16.3.13",
         "@types/react-dom": "^16.0.3",
         "@types/react-scroll": "0.0.31",
         "basscss": "^8.0.3",
diff --git a/packages/react-docs/src/components/documentation.tsx b/packages/react-docs/src/components/documentation.tsx
index 800892dc8..0a525f702 100644
--- a/packages/react-docs/src/components/documentation.tsx
+++ b/packages/react-docs/src/components/documentation.tsx
@@ -91,7 +91,7 @@ export class Documentation extends React.Component<DocumentationProps, Documenta
                 left: 0,
                 bottom: 0,
                 right: 0,
-                overflowZ: 'hidden',
+                overflowX: 'hidden',
                 overflowY: 'scroll',
                 minHeight: `calc(100vh - ${this.props.topBarHeight}px)`,
                 WebkitOverflowScrolling: 'touch',
diff --git a/packages/react-docs/src/types.ts b/packages/react-docs/src/types.ts
index 3b4a57ad5..f4e61edc9 100644
--- a/packages/react-docs/src/types.ts
+++ b/packages/react-docs/src/types.ts
@@ -94,6 +94,7 @@ export enum KindString {
     Method = 'Method',
     Interface = 'Interface',
     TypeAlias = 'Type alias',
+    ObjectLiteral = 'Object literal',
     Variable = 'Variable',
     Function = 'Function',
     Enumeration = 'Enumeration',
diff --git a/packages/react-docs/src/utils/typedoc_utils.ts b/packages/react-docs/src/utils/typedoc_utils.ts
index 9c89b135a..0c7803a04 100644
--- a/packages/react-docs/src/utils/typedoc_utils.ts
+++ b/packages/react-docs/src/utils/typedoc_utils.ts
@@ -93,10 +93,16 @@ export const typeDocUtils = {
                 throw new Error('`react-docs` only supports projects with 1 exported class per file');
             }
             const isClassExport = packageDefinitionWithMergedChildren.children[0].kindString === KindString.Class;
+            const isObjectLiteralExport =
+                packageDefinitionWithMergedChildren.children[0].kindString === KindString.ObjectLiteral;
             if (isClassExport) {
                 entities = packageDefinitionWithMergedChildren.children[0].children;
                 const commentObj = packageDefinitionWithMergedChildren.children[0].comment;
                 packageComment = !_.isUndefined(commentObj) ? commentObj.shortText : packageComment;
+            } else if (isObjectLiteralExport) {
+                entities = packageDefinitionWithMergedChildren.children[0].children;
+                const commentObj = packageDefinitionWithMergedChildren.children[0].comment;
+                packageComment = !_.isUndefined(commentObj) ? commentObj.shortText : packageComment;
             } else {
                 entities = packageDefinitionWithMergedChildren.children;
             }
diff --git a/packages/react-shared/CHANGELOG.json b/packages/react-shared/CHANGELOG.json
index 256174db9..1095c78ee 100644
--- a/packages/react-shared/CHANGELOG.json
+++ b/packages/react-shared/CHANGELOG.json
@@ -1,5 +1,32 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.1.6",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525466747,
+        "version": "0.1.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.1.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.1.3",
         "changes": [
diff --git a/packages/react-shared/CHANGELOG.md b/packages/react-shared/CHANGELOG.md
index a3d65356a..51d804b63 100644
--- a/packages/react-shared/CHANGELOG.md
+++ b/packages/react-shared/CHANGELOG.md
@@ -5,11 +5,23 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.1.6 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.1.5 - _May 4, 2018_
+
+    * Dependencies updated
+
+## v0.1.4 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.1.3 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.1.2 - _April 12, 2018_
+## v0.1.2 - _April 11, 2018_
 
     * Dependencies updated
 
diff --git a/packages/react-shared/package.json b/packages/react-shared/package.json
index c9f0a76e3..ce5001985 100644
--- a/packages/react-shared/package.json
+++ b/packages/react-shared/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/react-shared",
-    "version": "0.1.3",
+    "version": "0.1.6",
     "description": "0x shared react components",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -22,9 +22,9 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^0.3.6",
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/dev-utils": "^0.4.1",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
         "tslint": "^5.9.1",
@@ -34,7 +34,7 @@
         "@types/lodash": "4.14.104",
         "@types/material-ui": "0.18.0",
         "@types/node": "^8.0.53",
-        "@types/react": "^16.0.34",
+        "@types/react": "16.3.13",
         "@types/react-dom": "^16.0.3",
         "@types/react-scroll": "0.0.31",
         "basscss": "^8.0.3",
diff --git a/packages/react-shared/src/utils/colors.ts b/packages/react-shared/src/utils/colors.ts
index 7613414ae..4617fa5dc 100644
--- a/packages/react-shared/src/utils/colors.ts
+++ b/packages/react-shared/src/utils/colors.ts
@@ -28,6 +28,7 @@ const baseColors = {
     linkBlue: '#1D5CDE',
     mediumBlue: '#488AEA',
     darkBlue: '#4D5481',
+    lightTurquois: '#aefcdc',
     turquois: '#058789',
     lightPurple: '#A81CA6',
     purple: '#690596',
diff --git a/packages/sol-cov/CHANGELOG.json b/packages/sol-cov/CHANGELOG.json
index 508b70631..468957fe3 100644
--- a/packages/sol-cov/CHANGELOG.json
+++ b/packages/sol-cov/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.0.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.0.8",
         "changes": [
diff --git a/packages/sol-cov/CHANGELOG.md b/packages/sol-cov/CHANGELOG.md
index fa8039919..9e2995328 100644
--- a/packages/sol-cov/CHANGELOG.md
+++ b/packages/sol-cov/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.0.10 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.9 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.0.8 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.0.7 - _April 12, 2018_
+## v0.0.7 - _April 11, 2018_
 
     * Dependencies updated
 
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index 886ca52c2..4eb1147d7 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sol-cov",
-    "version": "0.0.8",
+    "version": "0.0.10",
     "description": "Generate coverage reports for Solidity code",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -43,9 +43,9 @@
     },
     "homepage": "https://github.com/0xProject/0x.js/packages/sol-cov/README.md",
     "dependencies": {
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
         "ethereumjs-util": "^5.1.1",
         "glob": "^7.1.2",
         "istanbul": "^0.4.5",
@@ -55,8 +55,8 @@
     },
     "devDependencies": {
         "@0xproject/deployer": "^0.3.5",
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/istanbul": "^0.4.29",
         "@types/mocha": "^2.2.42",
         "@types/node": "^8.0.53",
diff --git a/packages/sol-cov/src/collect_contract_data.ts b/packages/sol-cov/src/collect_contract_data.ts
index 1d8bc7178..bb20e98be 100644
--- a/packages/sol-cov/src/collect_contract_data.ts
+++ b/packages/sol-cov/src/collect_contract_data.ts
@@ -8,25 +8,24 @@ import { ContractData } from './types';
 export const collectContractsData = (artifactsPath: string, sourcesPath: string, networkId: number) => {
     const artifactsGlob = `${artifactsPath}/**/*.json`;
     const artifactFileNames = glob.sync(artifactsGlob, { absolute: true });
-    const contractsDataIfExists: Array<ContractData | {}> = _.map(artifactFileNames, artifactFileName => {
+    const contractsData: ContractData[] = [];
+    _.forEach(artifactFileNames, artifactFileName => {
         const artifact = JSON.parse(fs.readFileSync(artifactFileName).toString());
-        const sources = artifact.networks[networkId].sources;
-        const contractName = artifact.contract_name;
+        const sources = _.keys(artifact.sources);
+        const contractName = artifact.contractName;
         // We don't compute coverage for dependencies
-        const sourceCodes = _.map(sources, (source: string) => fs.readFileSync(source).toString());
-        if (_.isUndefined(artifact.networks[networkId])) {
-            throw new Error(`No ${contractName} artifacts found for networkId ${networkId}`);
-        }
+        const sourceCodes = _.map(sources, (source: string) =>
+            fs.readFileSync(path.join(sourcesPath, source)).toString(),
+        );
         const contractData = {
             sourceCodes,
             sources,
-            sourceMap: artifact.networks[networkId].source_map,
-            sourceMapRuntime: artifact.networks[networkId].source_map_runtime,
-            runtimeBytecode: artifact.networks[networkId].runtime_bytecode,
-            bytecode: artifact.networks[networkId].bytecode,
+            bytecode: artifact.compilerOutput.evm.bytecode.object,
+            sourceMap: artifact.compilerOutput.evm.bytecode.sourceMap,
+            runtimeBytecode: artifact.compilerOutput.evm.deployedBytecode.object,
+            sourceMapRuntime: artifact.compilerOutput.evm.deployedBytecode.sourceMap,
         };
-        return contractData;
+        contractsData.push(contractData);
     });
-    const contractsData = _.filter(contractsDataIfExists, contractData => !_.isEmpty(contractData)) as ContractData[];
     return contractsData;
 };
diff --git a/packages/sol-cov/src/coverage_manager.ts b/packages/sol-cov/src/coverage_manager.ts
index 230ccc3c9..6a57d07c9 100644
--- a/packages/sol-cov/src/coverage_manager.ts
+++ b/packages/sol-cov/src/coverage_manager.ts
@@ -29,10 +29,31 @@ import {
 import { utils } from './utils';
 
 export class CoverageManager {
+    private _sourcesPath: string;
     private _traceInfos: TraceInfo[] = [];
     private _contractsData: ContractData[] = [];
     private _getContractCodeAsync: (address: string) => Promise<string>;
-    private static _getSingleFileCoverageForTrace(
+    constructor(
+        artifactsPath: string,
+        sourcesPath: string,
+        networkId: number,
+        getContractCodeAsync: (address: string) => Promise<string>,
+    ) {
+        this._getContractCodeAsync = getContractCodeAsync;
+        this._sourcesPath = sourcesPath;
+        this._contractsData = collectContractsData(artifactsPath, this._sourcesPath, networkId);
+    }
+    public appendTraceInfo(traceInfo: TraceInfo): void {
+        this._traceInfos.push(traceInfo);
+    }
+    public async writeCoverageAsync(): Promise<void> {
+        const finalCoverage = await this._computeCoverageAsync();
+        const jsonReplacer: null = null;
+        const numberOfJsonSpaces = 4;
+        const stringifiedCoverage = JSON.stringify(finalCoverage, jsonReplacer, numberOfJsonSpaces);
+        fs.writeFileSync('coverage/coverage.json', stringifiedCoverage);
+    }
+    private _getSingleFileCoverageForTrace(
         contractData: ContractData,
         coveredPcs: number[],
         pcToSourceRange: { [programCounter: number]: SourceRange },
@@ -94,11 +115,12 @@ export class CoverageManager {
             );
             statementCoverage[modifierStatementId] = isModifierCovered;
         }
+        const absoluteFileName = path.join(this._sourcesPath, fileName);
         const partialCoverage = {
-            [contractData.sources[fileIndex]]: {
+            [absoluteFileName]: {
                 ...coverageEntriesDescription,
                 l: {}, // It's able to derive it from statement coverage
-                path: fileName,
+                path: absoluteFileName,
                 f: functionCoverage,
                 s: statementCoverage,
                 b: branchCoverage,
@@ -106,31 +128,13 @@ export class CoverageManager {
         };
         return partialCoverage;
     }
-    constructor(
-        artifactsPath: string,
-        sourcesPath: string,
-        networkId: number,
-        getContractCodeAsync: (address: string) => Promise<string>,
-    ) {
-        this._getContractCodeAsync = getContractCodeAsync;
-        this._contractsData = collectContractsData(artifactsPath, sourcesPath, networkId);
-    }
-    public appendTraceInfo(traceInfo: TraceInfo): void {
-        this._traceInfos.push(traceInfo);
-    }
-    public async writeCoverageAsync(): Promise<void> {
-        const finalCoverage = await this._computeCoverageAsync();
-        const jsonReplacer: null = null;
-        const numberOfJsonSpaces = 4;
-        const stringifiedCoverage = JSON.stringify(finalCoverage, jsonReplacer, numberOfJsonSpaces);
-        fs.writeFileSync('coverage/coverage.json', stringifiedCoverage);
-    }
     private async _computeCoverageAsync(): Promise<Coverage> {
         const collector = new Collector();
         for (const traceInfo of this._traceInfos) {
             if (traceInfo.address !== constants.NEW_CONTRACT) {
                 // Runtime transaction
-                const runtimeBytecode = (traceInfo as TraceInfoExistingContract).runtimeBytecode;
+                let runtimeBytecode = (traceInfo as TraceInfoExistingContract).runtimeBytecode;
+                runtimeBytecode = utils.removeHexPrefix(runtimeBytecode);
                 const contractData = _.find(this._contractsData, { runtimeBytecode }) as ContractData;
                 if (_.isUndefined(contractData)) {
                     throw new Error(`Transaction to an unknown address: ${traceInfo.address}`);
@@ -144,7 +148,7 @@ export class CoverageManager {
                     contractData.sources,
                 );
                 for (let fileIndex = 0; fileIndex < contractData.sources.length; fileIndex++) {
-                    const singleFileCoverageForTrace = CoverageManager._getSingleFileCoverageForTrace(
+                    const singleFileCoverageForTrace = this._getSingleFileCoverageForTrace(
                         contractData,
                         traceInfo.coveredPcs,
                         pcToSourceRange,
@@ -154,7 +158,8 @@ export class CoverageManager {
                 }
             } else {
                 // Contract creation transaction
-                const bytecode = (traceInfo as TraceInfoNewContract).bytecode;
+                let bytecode = (traceInfo as TraceInfoNewContract).bytecode;
+                bytecode = utils.removeHexPrefix(bytecode);
                 const contractData = _.find(this._contractsData, contractDataCandidate =>
                     bytecode.startsWith(contractDataCandidate.bytecode),
                 ) as ContractData;
@@ -170,7 +175,7 @@ export class CoverageManager {
                     contractData.sources,
                 );
                 for (let fileIndex = 0; fileIndex < contractData.sources.length; fileIndex++) {
-                    const singleFileCoverageForTrace = CoverageManager._getSingleFileCoverageForTrace(
+                    const singleFileCoverageForTrace = this._getSingleFileCoverageForTrace(
                         contractData,
                         traceInfo.coveredPcs,
                         pcToSourceRange,
diff --git a/packages/sol-cov/src/utils.ts b/packages/sol-cov/src/utils.ts
index f155043a1..d970c42ee 100644
--- a/packages/sol-cov/src/utils.ts
+++ b/packages/sol-cov/src/utils.ts
@@ -4,6 +4,10 @@ export const utils = {
     compareLineColumn(lhs: LineColumn, rhs: LineColumn): number {
         return lhs.line !== rhs.line ? lhs.line - rhs.line : lhs.column - rhs.column;
     },
+    removeHexPrefix(hex: string): string {
+        const hexPrefix = '0x';
+        return hex.startsWith(hexPrefix) ? hex.slice(hexPrefix.length) : hex;
+    },
     isRangeInside(childRange: SingleFileSourceRange, parentRange: SingleFileSourceRange): boolean {
         return (
             utils.compareLineColumn(parentRange.start, childRange.start) <= 0 &&
diff --git a/packages/sol-resolver/CHANGELOG.json b/packages/sol-resolver/CHANGELOG.json
index b17ba62e9..0126fa170 100644
--- a/packages/sol-resolver/CHANGELOG.json
+++ b/packages/sol-resolver/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.0.2",
         "changes": [
diff --git a/packages/sol-resolver/CHANGELOG.md b/packages/sol-resolver/CHANGELOG.md
index 0fe7647aa..4780544fa 100644
--- a/packages/sol-resolver/CHANGELOG.md
+++ b/packages/sol-resolver/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.0.4 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.3 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.0.2 - _April 18, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-resolver/package.json b/packages/sol-resolver/package.json
index 4fdfd9421..6e4ba97e4 100644
--- a/packages/sol-resolver/package.json
+++ b/packages/sol-resolver/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sol-resolver",
-    "version": "0.0.2",
+    "version": "0.0.4",
     "description": "Import resolver for smart contracts dependencies",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -21,15 +21,15 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/resolver/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
         "tslint": "5.8.0",
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
+        "@0xproject/types": "^0.6.3",
         "@0xproject/typescript-typings": "^0.0.3",
         "lodash": "^4.17.4"
     },
diff --git a/packages/sol-resolver/src/index.ts b/packages/sol-resolver/src/index.ts
index cd6ec42ec..a86053259 100644
--- a/packages/sol-resolver/src/index.ts
+++ b/packages/sol-resolver/src/index.ts
@@ -3,6 +3,7 @@ export { FallthroughResolver } from './resolvers/fallthrough_resolver';
 export { URLResolver } from './resolvers/url_resolver';
 export { NPMResolver } from './resolvers/npm_resolver';
 export { FSResolver } from './resolvers/fs_resolver';
+export { RelativeFSResolver } from './resolvers/relative_fs_resolver';
 export { NameResolver } from './resolvers/name_resolver';
 export { EnumerableResolver } from './resolvers/enumerable_resolver';
 export { Resolver } from './resolvers/resolver';
diff --git a/packages/sol-resolver/src/resolvers/name_resolver.ts b/packages/sol-resolver/src/resolvers/name_resolver.ts
index 6849b7610..76bed802e 100644
--- a/packages/sol-resolver/src/resolvers/name_resolver.ts
+++ b/packages/sol-resolver/src/resolvers/name_resolver.ts
@@ -18,7 +18,8 @@ export class NameResolver extends EnumerableResolver {
         const onFile = (filePath: string) => {
             const contractName = path.basename(filePath, SOLIDITY_FILE_EXTENSION);
             if (contractName === lookupContractName) {
-                const source = fs.readFileSync(filePath).toString();
+                const absoluteContractPath = path.join(this._contractsDir, filePath);
+                const source = fs.readFileSync(absoluteContractPath).toString();
                 contractSource = {
                     source,
                     path: filePath,
@@ -35,7 +36,8 @@ export class NameResolver extends EnumerableResolver {
         const contractSources: ContractSource[] = [];
         const onFile = (filePath: string) => {
             const contractName = path.basename(filePath, SOLIDITY_FILE_EXTENSION);
-            const source = fs.readFileSync(filePath).toString();
+            const absoluteContractPath = path.join(this._contractsDir, filePath);
+            const source = fs.readFileSync(absoluteContractPath).toString();
             const contractSource = {
                 source,
                 path: filePath,
@@ -54,9 +56,10 @@ export class NameResolver extends EnumerableResolver {
             throw new Error(`No directory found at ${dirPath}`);
         }
         for (const fileName of dirContents) {
-            const entryPath = path.join(dirPath, fileName);
-            const isDirectory = fs.lstatSync(entryPath).isDirectory();
-            const isComplete = isDirectory ? this._traverseContractsDir(entryPath, onFile) : onFile(entryPath);
+            const absoluteEntryPath = path.join(dirPath, fileName);
+            const isDirectory = fs.lstatSync(absoluteEntryPath).isDirectory();
+            const entryPath = path.relative(this._contractsDir, absoluteEntryPath);
+            const isComplete = isDirectory ? this._traverseContractsDir(absoluteEntryPath, onFile) : onFile(entryPath);
             if (isComplete) {
                 return isComplete;
             }
diff --git a/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
new file mode 100644
index 000000000..2317ede83
--- /dev/null
+++ b/packages/sol-resolver/src/resolvers/relative_fs_resolver.ts
@@ -0,0 +1,26 @@
+import * as fs from 'fs';
+import * as path from 'path';
+
+import { ContractSource } from '../types';
+
+import { Resolver } from './resolver';
+
+export class RelativeFSResolver extends Resolver {
+    private _contractsDir: string;
+    constructor(contractsDir: string) {
+        super();
+        this._contractsDir = contractsDir;
+    }
+    // tslint:disable-next-line:prefer-function-over-method
+    public resolveIfExists(importPath: string): ContractSource | undefined {
+        const filePath = path.join(this._contractsDir, importPath);
+        if (fs.existsSync(filePath)) {
+            const fileContent = fs.readFileSync(filePath).toString();
+            return {
+                source: fileContent,
+                path: importPath,
+            };
+        }
+        return undefined;
+    }
+}
diff --git a/packages/sra-report/CHANGELOG.json b/packages/sra-report/CHANGELOG.json
index 0b48c3af2..22aa8ce16 100644
--- a/packages/sra-report/CHANGELOG.json
+++ b/packages/sra-report/CHANGELOG.json
@@ -1,5 +1,32 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.0.14",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525453812,
+        "version": "0.0.13",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.0.12",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524079658,
         "version": "0.0.11",
         "changes": [
diff --git a/packages/sra-report/CHANGELOG.md b/packages/sra-report/CHANGELOG.md
index 6b210b01d..e390e76ef 100644
--- a/packages/sra-report/CHANGELOG.md
+++ b/packages/sra-report/CHANGELOG.md
@@ -5,6 +5,18 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.0.14 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.0.13 - _May 4, 2018_
+
+    * Dependencies updated
+
+## v0.0.12 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.0.11 - _April 18, 2018_
 
     * Dependencies updated
diff --git a/packages/sra-report/package.json b/packages/sra-report/package.json
index 3a5d2c6e7..1fc0d3ade 100644
--- a/packages/sra-report/package.json
+++ b/packages/sra-report/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sra-report",
-    "version": "0.0.11",
+    "version": "0.0.14",
     "description": "Generate reports for standard relayer API compliance",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -28,20 +28,20 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sra-report/README.md",
     "dependencies": {
-        "0x.js": "^0.36.3",
-        "@0xproject/assert": "^0.2.7",
-        "@0xproject/connect": "^0.6.10",
-        "@0xproject/json-schemas": "^0.7.21",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "0x.js": "^0.37.2",
+        "@0xproject/assert": "^0.2.9",
+        "@0xproject/connect": "^0.6.12",
+        "@0xproject/json-schemas": "^0.7.23",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "chalk": "^2.3.0",
         "lodash": "^4.17.4",
         "newman": "^3.9.3",
         "yargs": "^10.0.3"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.48",
         "@types/nock": "^9.1.2",
diff --git a/packages/subproviders/CHANGELOG.json b/packages/subproviders/CHANGELOG.json
index d3ba7a928..799c2c99a 100644
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@@ -1,5 +1,28 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.10.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "version": "0.10.0",
+        "changes": [
+            {
+                "note": "Upgrade web3-provider-engine to 14.0.4",
+                "pr": 555
+            },
+            {
+                "note": "Relax `to` validation in base wallet subprovider for transactions that deploy contracts",
+                "pr": 555
+            }
+        ],
+        "timestamp": 1525428773
+    },
+    {
         "version": "0.9.0",
         "changes": [
             {
diff --git a/packages/subproviders/CHANGELOG.md b/packages/subproviders/CHANGELOG.md
index 7b54b1ad5..22a5f90e8 100644
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@@ -5,7 +5,16 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v0.9.0 - _April 12, 2018_
+## v0.10.1 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.10.0 - _May 4, 2018_
+
+    * Upgrade web3-provider-engine to 14.0.4 (#555)
+    * Relax `to` validation in base wallet subprovider for transactions that deploy contracts (#555)
+
+## v0.9.0 - _April 11, 2018_
 
     * Refactor RedundantRPCSubprovider into RedundantSubprovider where it now accepts an array of subproviders rather then an array of RPC endpoints (#500)
     * Add PrivateKeySubprovider and refactor shared functionality into a base wallet subprovider (#506)
@@ -23,43 +32,43 @@ CHANGELOG
     * Introduce `JSONRPCRequestPayloadWithMethod` type (#465)
     * Export `ErrorCallback` type. (#465)
 
-## v0.8.0 - _March 18, 2018_
+## v0.8.0 - _March 17, 2018_
 
     * Export `GanacheSubprovider` and `Subprovider` (#426)
     * Make all subproviders to derive from `Subprovider` (#426)
     * Add types for `NextCallback`, `OnNextCompleted` (#426)
     * Ignore `ganache-core` dependency when using package in a browser environment.
 
-## v0.7.0 - _March 8, 2018_
+## v0.7.0 - _March 7, 2018_
 
     * Updated legerco packages. Removed node-hid package as a dependency and make it an optional dependency. It is still used in integration tests but is causing problems for users on Linux distros. (#437)
 
-## v0.6.0 - _March 4, 2018_
+## v0.6.0 - _March 3, 2018_
 
     * Move web3 types from being a devDep to a dep since one cannot use this package without it (#429)
     * Add `numberOfAccounts` param to `LedgerSubprovider` method `getAccountsAsync` (#432)
 
-## v0.5.0 - _February 16, 2018_
+## v0.5.0 - _February 15, 2018_
 
     * Add EmptyWalletSubprovider and FakeGasEstimateSubprovider (#392)
 
-## v0.4.1 - _February 9, 2018_
+## v0.4.1 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.4.0 - _February 7, 2018_
+## v0.4.0 - _February 6, 2018_
 
     * Added NonceTrackerSubprovider (#355)
     * InjectedWeb3Subprovider accepts a Provider in the constructor, previously it was a Web3 object (#363)
 
-## v0.3.6 - _January 28, 2018_
+## v0.3.6 - _January 27, 2018_
 
     * Return a transaction hash from `_sendTransactionAsync` (#303)
 
-## v0.3.0 - _December 28, 2017_
+## v0.3.0 - _December 27, 2017_
 
     * Allow LedgerSubprovider to handle `eth_sign` in addition to `personal_sign` RPC requests
 
-## v0.2.0 - _December 20, 2017_
+## v0.2.0 - _December 19, 2017_
 
     * Improve the performance of address fetching (#271)
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index aaa0f657c..238c8417a 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/subproviders",
-    "version": "0.9.0",
+    "version": "0.10.1",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
     "license": "Apache-2.0",
@@ -36,10 +36,10 @@
         }
     },
     "dependencies": {
-        "@0xproject/assert": "^0.2.7",
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/assert": "^0.2.9",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "@ledgerhq/hw-app-eth": "^4.3.0",
         "@ledgerhq/hw-transport-u2f": "^4.3.0",
         "bip39": "^2.5.0",
@@ -51,12 +51,12 @@
         "lodash": "^4.17.4",
         "semaphore-async-await": "^1.5.1",
         "web3": "^0.20.0",
-        "web3-provider-engine": "^13.0.1"
+        "web3-provider-engine": "^14.0.4"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
+        "@0xproject/utils": "^0.6.1",
         "@types/bip39": "^2.4.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
diff --git a/packages/subproviders/src/subproviders/base_wallet_subprovider.ts b/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
index 0a9b99ae4..f68d7eb29 100644
--- a/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
+++ b/packages/subproviders/src/subproviders/base_wallet_subprovider.ts
@@ -9,9 +9,10 @@ import { Subprovider } from './subprovider';
 
 export abstract class BaseWalletSubprovider extends Subprovider {
     protected static _validateTxParams(txParams: PartialTxParams) {
-        assert.isETHAddressHex('to', txParams.to);
+        if (!_.isUndefined(txParams.to)) {
+            assert.isETHAddressHex('to', txParams.to);
+        }
         assert.isHexString('nonce', txParams.nonce);
-        assert.isHexString('gas', txParams.gas);
     }
     private static _validateSender(sender: string) {
         if (_.isUndefined(sender) || !addressUtils.isAddress(sender)) {
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index 4350b76ca..481770310 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0xproject/testnet-faucets",
-    "version": "1.0.26",
+    "version": "1.0.29",
     "description": "A faucet micro-service that dispenses test ERC20 tokens or Ether",
     "main": "server.js",
     "scripts": {
@@ -15,10 +15,10 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "0x.js": "^0.36.3",
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "0x.js": "^0.37.2",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "body-parser": "^1.17.1",
         "ethereumjs-tx": "^1.3.3",
         "ethereumjs-util": "^5.1.1",
@@ -26,10 +26,10 @@
         "lodash": "^4.17.4",
         "rollbar": "^0.6.5",
         "web3": "^0.20.0",
-        "web3-provider-engine": "^13.0.1"
+        "web3-provider-engine": "^14.0.4"
     },
     "devDependencies": {
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/body-parser": "^1.16.1",
         "@types/express": "^4.0.35",
         "@types/lodash": "4.14.104",
diff --git a/packages/tslint-config/CHANGELOG.json b/packages/tslint-config/CHANGELOG.json
index 2596ec925..ac59f7b19 100644
--- a/packages/tslint-config/CHANGELOG.json
+++ b/packages/tslint-config/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1525428773,
+        "version": "0.4.17",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.4.16",
         "changes": [
diff --git a/packages/tslint-config/CHANGELOG.md b/packages/tslint-config/CHANGELOG.md
index 107a96627..6f5042a52 100644
--- a/packages/tslint-config/CHANGELOG.md
+++ b/packages/tslint-config/CHANGELOG.md
@@ -5,11 +5,15 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.4.17 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.4.16 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.4.15 - _April 12, 2018_
+## v0.4.15 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,28 +25,28 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.4.9 - _February 9, 2018_
+## v0.4.9 - _February 8, 2018_
 
     * Move devDeps to deps to fix missed dependency issue in published package.
 
-## v0.4.8 - _February 9, 2018_
+## v0.4.8 - _February 8, 2018_
 
     * Fix publish issue where custom TSLint rules were not being included (#389)
 
-## v0.4.7 - _February 7, 2018_
+## v0.4.7 - _February 6, 2018_
 
     * Modified custom 'underscore-privates' rule, changing it to 'underscore-private-and-protected' requiring underscores to be prepended to both private and protected variable names (#354)
 
-## v0.4.0 - _December 28, 2017_
+## v0.4.0 - _December 27, 2017_
 
     * Added custom 'underscore-privates' rule, requiring underscores to be prepended to private variable names
     * Because our tools can be used in both a TS and JS environment, we want to make the private methods of any public facing interface show up at the bottom of auto-complete lists. Additionally, we wanted to remain consistent with respect to our usage of underscores in order to enforce this rule with a linter rule, rather then manual code reviews.
 
-## v0.3.0 - _December 20, 2017_
+## v0.3.0 - _December 19, 2017_
 
     * Added rules for unused imports, variables and Async suffixes (#265)
 
-## v0.1.0 - _November 14, 2017_
+## v0.1.0 - _November 13, 2017_
 
     * Re-published TsLintConfig previously published under NPM package `tslint-config-0xproject`
     * Updated to TSLint v5.8.0, requiring several rule additions to keep our conventions aligned.
diff --git a/packages/tslint-config/package.json b/packages/tslint-config/package.json
index 5cbda8c84..92235f6a1 100644
--- a/packages/tslint-config/package.json
+++ b/packages/tslint-config/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/tslint-config",
-    "version": "0.4.16",
+    "version": "0.4.17",
     "description": "Lint rules related to 0xProject for TSLint",
     "main": "tslint.json",
     "scripts": {
@@ -31,7 +31,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/tslint-config/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
+        "@0xproject/monorepo-scripts": "^0.1.19",
         "@types/lodash": "4.14.104",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 0728b8070..241acbf9c 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.6.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.6.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.6.1",
         "changes": [
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index 4b866c63f..edfd42269 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.6.3 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.6.2 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.6.1 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.6.0 - _April 12, 2018_
+## v0.6.0 - _April 11, 2018_
 
     * Add Provider type (#501)
 
@@ -21,25 +29,25 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.4.0 - _March 18, 2018_
+## v0.4.0 - _March 17, 2018_
 
     * Remove `JSONRPCPayload` (#426)
     * Consolidate `Order`, `SignedOrder`, and `ECSignature` into the `@0xproject/types` package (#456)
 
-## v0.3.1 - _March 8, 2018_
+## v0.3.1 - _March 7, 2018_
 
     * Added `RawLogEntry` type.
 
-## v0.3.0 - _March 4, 2018_
+## v0.3.0 - _March 3, 2018_
 
     * Add `data` to `TxData` (#413)
     * Add `number` as an option to `ContractEventArg` (#413)
     * Move web3 types from devDep to dep since required when using this package (#429)
 
-## v0.2.1 - _February 9, 2018_
+## v0.2.1 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.2.0 - _February 7, 2018_
+## v0.2.0 - _February 6, 2018_
 
     * Added BlockLiteralParam and BlockParam, refactored out of 0x.js types. (#355)
diff --git a/packages/types/package.json b/packages/types/package.json
index 50241810d..0971f424e 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/types",
-    "version": "0.6.1",
+    "version": "0.6.3",
     "description": "0x types",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -21,15 +21,15 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/types/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
-        "@types/node": "^8.0.53",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2",
         "tslint": "5.8.0",
         "typescript": "2.7.1"
     },
     "dependencies": {
+        "@types/node": "^8.0.53",
         "bignumber.js": "~4.1.0"
     },
     "publishConfig": {
diff --git a/packages/typescript-typings/CHANGELOG.json b/packages/typescript-typings/CHANGELOG.json
index f3f68d509..84b92b56c 100644
--- a/packages/typescript-typings/CHANGELOG.json
+++ b/packages/typescript-typings/CHANGELOG.json
@@ -1,12 +1,22 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.3.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "0.3.0",
         "changes": [
             {
                 "note": "Add types for `ethers.js`, removing `ethers-contracts`",
                 "pr": 540
             }
-        ]
+        ],
+        "timestamp": 1525428773
     },
     {
         "version": "0.2.0",
diff --git a/packages/typescript-typings/CHANGELOG.md b/packages/typescript-typings/CHANGELOG.md
index 971e2dcc4..ad7622071 100644
--- a/packages/typescript-typings/CHANGELOG.md
+++ b/packages/typescript-typings/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.3.1 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.3.0 - _May 4, 2018_
+
+    * Add types for `ethers.js`, removing `ethers-contracts` (#540)
+
 ## v0.2.0 - _April 18, 2018_
 
     * Add types for `solc.compileStandardWrapper` (#509)
 
-## v0.1.0 - _April 12, 2018_
+## v0.1.0 - _April 11, 2018_
 
     * Add types for more packages (#501)
     * Add types for HDKey (#507)
diff --git a/packages/typescript-typings/package.json b/packages/typescript-typings/package.json
index f58fe0f66..ad865854c 100644
--- a/packages/typescript-typings/package.json
+++ b/packages/typescript-typings/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/typescript-typings",
-    "version": "0.2.0",
+    "version": "0.3.1",
     "description": "0x project typescript type definitions",
     "scripts": {
         "build": "tsc && copyfiles -u 1 './lib/**/*' ./scripts",
@@ -21,11 +21,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/typescript-typings#readme",
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
+        "@0xproject/types": "^0.6.3",
         "bignumber.js": "~4.1.0"
     },
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
+        "@0xproject/monorepo-scripts": "^0.1.19",
         "copyfiles": "^1.2.0",
         "shx": "^0.2.2"
     },
diff --git a/packages/typescript-typings/types/solc/index.d.ts b/packages/typescript-typings/types/solc/index.d.ts
index b20f9b2ff..5a87ac267 100644
--- a/packages/typescript-typings/types/solc/index.d.ts
+++ b/packages/typescript-typings/types/solc/index.d.ts
@@ -59,32 +59,33 @@ declare module 'solc' {
         | 'evm.gasEstimates'
         | 'ewasm.wast'
         | 'ewasm.wasm';
+    export interface CompilerSettings {
+        remappings?: string[];
+        optimizer?: {
+            enabled: boolean;
+            runs?: number;
+        };
+        evmVersion?: 'homestead' | 'tangerineWhistle' | 'spuriousDragon' | 'byzantium' | 'constantinople';
+        metadata?: {
+            useLiteralContent: true;
+        };
+        libraries?: {
+            [fileName: string]: {
+                [libName: string]: string;
+            };
+        };
+        outputSelection: {
+            [fileName: string]: {
+                [contractName: string]: OutputField[];
+            };
+        };
+    }
     export interface StandardInput {
         language: 'Solidity' | 'serpent' | 'lll' | 'assembly';
         sources: {
             [fileName: string]: Source;
         };
-        settings: {
-            remappings?: string[];
-            optimizer?: {
-                enabled: boolean;
-                runs?: number;
-            };
-            evmVersion?: 'homestead' | 'tangerineWhistle' | 'spuriousDragon' | 'byzantium' | 'constantinople';
-            metadata?: {
-                useLiteralContent: true;
-            };
-            libraries?: {
-                [fileName: string]: {
-                    [libName: string]: string;
-                };
-            };
-            outputSelection: {
-                [fileName: string]: {
-                    [contractName: string]: OutputField[];
-                };
-            };
-        };
+        settings: CompilerSettings;
     }
     export type ErrorType =
         | 'JSONError'
@@ -114,6 +115,19 @@ declare module 'solc' {
         formattedMessage?: string;
     }
     import { ContractAbi } from '@0xproject/types';
+    export interface StandardContractOutput {
+        abi: ContractAbi;
+        evm: {
+            bytecode: {
+                object: string;
+                sourceMap: string;
+            };
+            deployedBytecode: {
+                object: string;
+                sourceMap: string;
+            };
+        };
+    }
     export interface StandardOutput {
         errors: Error[];
         sources: {
@@ -125,19 +139,7 @@ declare module 'solc' {
         };
         contracts: {
             [fileName: string]: {
-                [contractName: string]: {
-                    abi: ContractAbi;
-                    evm: {
-                        bytecode: {
-                            object: string;
-                            sourceMap: string;
-                        };
-                        deployedBytecode: {
-                            object: string;
-                            sourceMap: string;
-                        };
-                    };
-                };
+                [contractName: string]: StandardContractOutput;
             };
         };
     }
diff --git a/packages/utils/CHANGELOG.json b/packages/utils/CHANGELOG.json
index e7f3c052c..d3c7da7b9 100644
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@@ -1,12 +1,22 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.6.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "0.6.0",
         "changes": [
             {
                 "note": "Update ethers-contracts to ethers.js",
                 "pr": 540
             }
-        ]
+        ],
+        "timestamp": 1525428773
     },
     {
         "version": "0.5.2",
diff --git a/packages/utils/CHANGELOG.md b/packages/utils/CHANGELOG.md
index 1f4a76d24..92e466b17 100644
--- a/packages/utils/CHANGELOG.md
+++ b/packages/utils/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.6.1 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.6.0 - _May 4, 2018_
+
+    * Update ethers-contracts to ethers.js (#540)
+
 ## v0.5.2 - _April 18, 2018_
 
     * Export NULL_BYTES constant (#500)
 
-## v0.5.1 - _April 12, 2018_
+## v0.5.1 - _April 11, 2018_
 
     * Dependencies updated
 
@@ -21,28 +29,28 @@ CHANGELOG
 
     * Dependencies updated
 
-## v0.4.3 - _March 18, 2018_
+## v0.4.3 - _March 17, 2018_
 
     * Add `@types/node` to dependencies since `intervalUtils` has the `NodeJS` type as part of its public interface.
 
-## v0.4.2 - _March 18, 2018_
+## v0.4.2 - _March 17, 2018_
 
     * Consolidate all `console.log` calls into `logUtils` in the `@0xproject/utils` package (#452)
 
-## v0.4.0 - _March 4, 2018_
+## v0.4.0 - _March 3, 2018_
 
     * Use `ethers-contracts` as a backend to decode event args (#413)
     * Move web3 types from devDep to dep since required when using this package (#429)
 
-## v0.3.2 - _February 9, 2018_
+## v0.3.2 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
 
-## v0.3.0 - _February 5, 2018_
+## v0.3.0 - _February 4, 2018_
 
     * Fix a bug related to event signature collisions (argument indexes aren't included in event signatures) in the abi_decoder. The decoder used to throw on unknown events with identical signatures as a known event (except indexes). (#366)
 
-## v0.2.0 - _January 17, 2018_
+## v0.2.0 - _January 16, 2018_
 
     * Add `onError` parameter to `intervalUtils.setAsyncExcludingInterval` (#312)
     * Add `intervalUtils.setInterval` (#312)
diff --git a/packages/utils/package.json b/packages/utils/package.json
index f309c2126..496ea1fb0 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/utils",
-    "version": "0.5.2",
+    "version": "0.6.1",
     "description": "0x TS utils",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -21,8 +21,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/utils/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "copyfiles": "^1.2.0",
         "npm-run-all": "^4.1.2",
@@ -31,8 +31,8 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
         "@types/node": "^8.0.53",
         "bignumber.js": "~4.1.0",
         "ethers": "^3.0.15",
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index c87ef3bac..35e4383fd 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "timestamp": 1525477860,
+        "version": "0.6.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
+        "timestamp": 1525428773,
+        "version": "0.6.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1524044013,
         "version": "0.6.1",
         "changes": [
diff --git a/packages/web3-wrapper/CHANGELOG.md b/packages/web3-wrapper/CHANGELOG.md
index f5bda9ad9..3358c9a01 100644
--- a/packages/web3-wrapper/CHANGELOG.md
+++ b/packages/web3-wrapper/CHANGELOG.md
@@ -5,11 +5,19 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v0.6.3 - _May 5, 2018_
+
+    * Dependencies updated
+
+## v0.6.2 - _May 4, 2018_
+
+    * Dependencies updated
+
 ## v0.6.1 - _April 18, 2018_
 
     * Dependencies updated
 
-## v0.6.0 - _April 12, 2018_
+## v0.6.0 - _April 11, 2018_
 
     * Make `isAddress` and `toWei` static (#501)
     * Add static methods `toUnitAmount` and `toBaseUnitAmount` (#501)
@@ -24,19 +32,19 @@ CHANGELOG
 
     * Rename `signTransactionAsync` to `signMessageAsync` for clarity (#465)
 
-## v0.3.0 - _March 18, 2018_
+## v0.3.0 - _March 17, 2018_
 
     * Add `web3Wrapper.takeSnapshotAsync`, `web3Wrapper.revertSnapshotAsync`, `web3Wrapper.mineBlockAsync`, `web3Wrapper.increaseTimeAsync` (#426)
     * Add `web3Wrapper.isZeroExWeb3Wrapper` for runtime instanceOf checks (#426)
     * Add a `getProvider` method (#444)
 
-## v0.2.0 - _March 4, 2018_
+## v0.2.0 - _March 3, 2018_
 
     * Ensure all returned user addresses are lowercase (#373)
     * Add `web3Wrapper.callAsync` (#413)
     * Make `web3Wrapper.estimateGas` accept whole `txData` instead of `data` (#413)
     * Remove `web3Wrapper.getContractInstance` (#413)
 
-## v0.1.12 - _February 9, 2018_
+## v0.1.12 - _February 8, 2018_
 
     * Fix publishing issue where .npmignore was not properly excluding undesired content (#389)
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 118330707..3ee9631cc 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/web3-wrapper",
-    "version": "0.6.1",
+    "version": "0.6.3",
     "description": "Wraps around web3 and gives a nicer interface",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
@@ -40,8 +40,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/web3-wrapper/README.md",
     "devDependencies": {
-        "@0xproject/monorepo-scripts": "^0.1.18",
-        "@0xproject/tslint-config": "^0.4.16",
+        "@0xproject/monorepo-scripts": "^0.1.19",
+        "@0xproject/tslint-config": "^0.4.17",
         "@types/lodash": "4.14.104",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
@@ -58,9 +58,9 @@
         "typescript": "2.7.1"
     },
     "dependencies": {
-        "@0xproject/types": "^0.6.1",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
+        "@0xproject/types": "^0.6.3",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
         "ethers": "^3.0.15",
         "lodash": "^4.17.4",
         "web3": "^0.20.0"
diff --git a/packages/website/md/docs/order_utils/installation.md b/packages/website/md/docs/order_utils/installation.md
new file mode 100644
index 000000000..68a7cf960
--- /dev/null
+++ b/packages/website/md/docs/order_utils/installation.md
@@ -0,0 +1,17 @@
+**Install**
+
+```bash
+yarn add @0xproject/order-utils
+```
+
+**Import**
+
+```javascript
+import { createSignedOrderAsync } from '@0xproject/order-utils';
+```
+
+or
+
+```javascript
+var createSignedOrderAsync = require('@0xproject/order-utils').createSignedOrderAsync;
+```
diff --git a/packages/website/md/docs/order_utils/introduction.md b/packages/website/md/docs/order_utils/introduction.md
new file mode 100644
index 000000000..d5f3f2925
--- /dev/null
+++ b/packages/website/md/docs/order_utils/introduction.md
@@ -0,0 +1 @@
+Welcome to the [@0xproject/order-utils](https://github.com/0xProject/0x-monorepo/tree/development/packages/order-utils) documentation! Order utils is a set of utils around creating, signing, validating 0x orders.
diff --git a/packages/website/package.json b/packages/website/package.json
index 169231fac..ad84a3eb9 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/website",
-    "version": "0.0.28",
+    "version": "0.0.32",
     "private": true,
     "description": "Website and 0x portal dapp",
     "scripts": {
@@ -14,13 +14,13 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "0x.js": "^0.36.3",
-        "@0xproject/react-docs": "^0.0.8",
-        "@0xproject/react-shared": "^0.1.3",
-        "@0xproject/subproviders": "^0.9.0",
-        "@0xproject/typescript-typings": "^0.2.0",
-        "@0xproject/utils": "^0.5.2",
-        "@0xproject/web3-wrapper": "^0.6.1",
+        "0x.js": "^0.37.2",
+        "@0xproject/react-docs": "^0.0.11",
+        "@0xproject/react-shared": "^0.1.6",
+        "@0xproject/subproviders": "^0.10.1",
+        "@0xproject/typescript-typings": "^0.3.1",
+        "@0xproject/utils": "^0.6.1",
+        "@0xproject/web3-wrapper": "^0.6.3",
         "accounting": "^0.4.1",
         "basscss": "^8.0.3",
         "blockies": "^0.0.2",
@@ -48,7 +48,7 @@
         "thenby": "^1.2.3",
         "truffle-contract": "2.0.1",
         "web3": "^0.20.0",
-        "web3-provider-engine": "^13.0.1",
+        "web3-provider-engine": "^14.0.4",
         "whatwg-fetch": "^2.0.3",
         "xml-js": "^1.3.2"
     },
@@ -60,7 +60,7 @@
         "@types/material-ui": "0.18.0",
         "@types/node": "^8.0.53",
         "@types/query-string": "^5.1.0",
-        "@types/react": "^16.0.34",
+        "@types/react": "16.3.13",
         "@types/react-copy-to-clipboard": "^4.2.0",
         "@types/react-dom": "^16.0.3",
         "@types/react-redux": "^4.4.37",
diff --git a/packages/website/public/images/landing/project_logos/the_ocean.png b/packages/website/public/images/landing/project_logos/the_ocean.png
index 74678b5d4..0677abc29 100644
--- a/packages/website/public/images/landing/project_logos/the_ocean.png
+++ b/packages/website/public/images/landing/project_logos/the_ocean.png
diff --git a/packages/website/public/images/team/greg.jpeg b/packages/website/public/images/team/greg.jpeg
new file mode 100644
index 000000000..a765e047f
--- /dev/null
+++ b/packages/website/public/images/team/greg.jpeg
diff --git a/packages/website/public/images/team/philippe.png b/packages/website/public/images/team/philippe.png
deleted file mode 100644
index cd43c2754..000000000
--- a/packages/website/public/images/team/philippe.png
+++ /dev/null
diff --git a/packages/website/public/images/team/remco.jpeg b/packages/website/public/images/team/remco.jpeg
new file mode 100644
index 000000000..e87e7bfd6
--- /dev/null
+++ b/packages/website/public/images/team/remco.jpeg
diff --git a/packages/website/translations/chinese.json b/packages/website/translations/chinese.json
index f610bf56c..d37b1abdf 100644
--- a/packages/website/translations/chinese.json
+++ b/packages/website/translations/chinese.json
@@ -66,6 +66,7 @@
     "WHITEPAPER": "白皮书",
     "WIKI": "维基",
     "WEB3_WRAPPER": "Web3Wrapper",
+    "ORDER_UTILS": "Order Utils",
     "FAQ": "FAQ",
     "SMART_CONTRACTS": "0x 智能合约",
     "STANDARD_RELAYER_API": "中继方标准API",
diff --git a/packages/website/translations/english.json b/packages/website/translations/english.json
index 122d445cb..8d7485e9a 100644
--- a/packages/website/translations/english.json
+++ b/packages/website/translations/english.json
@@ -67,6 +67,7 @@
     "WHITEPAPER": "whitepaper",
     "WIKI": "wiki",
     "WEB3_WRAPPER": "Web3Wrapper",
+    "ORDER_UTILS": "Order Utils",
     "FAQ": "FAQ",
     "SMART_CONTRACTS": "0x smart contracts",
     "STANDARD_RELAYER_API": "standard relayer API",
diff --git a/packages/website/translations/korean.json b/packages/website/translations/korean.json
index dd5f19b16..028476d2c 100644
--- a/packages/website/translations/korean.json
+++ b/packages/website/translations/korean.json
@@ -66,6 +66,7 @@
     "WHITEPAPER": "백서",
     "WIKI": "위키",
     "WEB3_WRAPPER": "Web3Wrapper",
+    "ORDER_UTILS": "Order Utils",
     "FAQ": "FAQ",
     "SMART_CONTRACTS": "0x 스마트 계약",
     "STANDARD_RELAYER_API": "Standard Relayer API",
diff --git a/packages/website/translations/russian.json b/packages/website/translations/russian.json
index 5a8e2c539..9254ab1c0 100644
--- a/packages/website/translations/russian.json
+++ b/packages/website/translations/russian.json
@@ -66,6 +66,7 @@
     "WHITEPAPER": "Whitepaper",
     "WIKI": "Вики",
     "WEB3_WRAPPER": "Web3Wrapper",
+    "ORDER_UTILS": "Order Utils",
     "FAQ": "Документация",
     "SMART_CONTRACTS": "0x Смарт-контракты ",
     "STANDARD_RELAYER_API": "standard relayer API",
diff --git a/packages/website/translations/spanish.json b/packages/website/translations/spanish.json
index dd34e805c..eb8f4035c 100644
--- a/packages/website/translations/spanish.json
+++ b/packages/website/translations/spanish.json
@@ -67,6 +67,7 @@
     "WHITEPAPER": "documento técnico",
     "WIKI": "wiki",
     "WEB3_WRAPPER": "Web3Wrapper",
+    "ORDER_UTILS": "Order Utils",
     "FAQ": "preguntas frecuentes",
     "SMART_CONTRACTS": "0x contratos inteligentes",
     "STANDARD_RELAYER_API": "API de transmisión estándar",
diff --git a/packages/website/ts/components/portal/portal.tsx b/packages/website/ts/components/portal/portal.tsx
index bf12c924f..88003a94e 100644
--- a/packages/website/ts/components/portal/portal.tsx
+++ b/packages/website/ts/components/portal/portal.tsx
@@ -9,7 +9,11 @@ import { BlockchainErrDialog } from 'ts/components/dialogs/blockchain_err_dialog
 import { LedgerConfigDialog } from 'ts/components/dialogs/ledger_config_dialog';
 import { PortalDisclaimerDialog } from 'ts/components/dialogs/portal_disclaimer_dialog';
 import { RelayerIndex } from 'ts/components/relayer_index/relayer_index';
+<<<<<<< HEAD
 import { TopBar, TopBarDisplayType } from 'ts/components/top_bar/top_bar';
+=======
+import { TopBar } from 'ts/components/top_bar/top_bar';
+>>>>>>> development
 import { FlashMessage } from 'ts/components/ui/flash_message';
 import { Wallet } from 'ts/components/wallet/wallet';
 import { localStorage } from 'ts/local_storage/local_storage';
@@ -51,7 +55,11 @@ interface PortalState {
 }
 
 const THROTTLE_TIMEOUT = 100;
+<<<<<<< HEAD
 const TOP_BAR_HEIGHT = TopBar.heightForDisplayType(TopBarDisplayType.Expanded);
+=======
+const TOP_BAR_HEIGHT = 60;
+>>>>>>> development
 
 const styles: Styles = {
     root: {
diff --git a/packages/website/ts/components/relayer_index/relayer_grid_tile.tsx b/packages/website/ts/components/relayer_index/relayer_grid_tile.tsx
index 0c4b2841c..0b9b8165e 100644
--- a/packages/website/ts/components/relayer_index/relayer_grid_tile.tsx
+++ b/packages/website/ts/components/relayer_index/relayer_grid_tile.tsx
@@ -12,8 +12,7 @@ export interface RelayerGridTileProps {
     networkId: number;
 }
 
-// TODO: Get top tokens and headerurl from remote
-const headerUrl = '/images/og_image.png';
+// TODO: Get top tokens from remote
 const topTokens = [
     {
         address: '0x1dad4783cf3fe3085c1426157ab175a6119a04ba',
@@ -68,6 +67,9 @@ const styles: Styles = {
         borderBottomLeftRadius: 4,
         borderTopRightRadius: 4,
         borderTopLeftRadius: 4,
+        borderWidth: 1,
+        borderStyle: 'solid',
+        borderColor: colors.walletBorder,
     },
     body: {
         paddingLeft: 6,
@@ -92,24 +94,27 @@ const styles: Styles = {
 };
 
 export const RelayerGridTile: React.StatelessComponent<RelayerGridTileProps> = (props: RelayerGridTileProps) => {
+    const link = props.relayerInfo.appUrl || props.relayerInfo.url;
     return (
-        <GridTile style={styles.root}>
-            <div style={styles.innerDiv}>
-                <img src={headerUrl} style={styles.header} />
-                <div style={styles.body}>
-                    <div className="py1" style={styles.relayerNameLabel}>
-                        {props.relayerInfo.name}
-                    </div>
-                    <div style={styles.dailyTradeVolumeLabel}>{props.relayerInfo.dailyTxnVolume}</div>
-                    <div className="py1" style={styles.subLabel}>
-                        Daily Trade Volume
-                    </div>
-                    <TopTokens tokens={topTokens} networkId={props.networkId} />
-                    <div className="py1" style={styles.subLabel}>
-                        Top tokens
+        <a href={link} target="_blank" style={{ textDecoration: 'none' }}>
+            <GridTile style={styles.root}>
+                <div style={styles.innerDiv}>
+                    <img src={props.relayerInfo.headerImgUrl} style={styles.header} />
+                    <div style={styles.body}>
+                        <div className="py1" style={styles.relayerNameLabel}>
+                            {props.relayerInfo.name}
+                        </div>
+                        <div style={styles.dailyTradeVolumeLabel}>{props.relayerInfo.dailyTxnVolume}</div>
+                        <div className="py1" style={styles.subLabel}>
+                            Daily Trade Volume
+                        </div>
+                        <TopTokens tokens={topTokens} networkId={props.networkId} />
+                        <div className="py1" style={styles.subLabel}>
+                            Top tokens
+                        </div>
                     </div>
                 </div>
-            </div>
-        </GridTile>
+            </GridTile>
+        </a>
     );
 };
diff --git a/packages/website/ts/components/relayer_index/relayer_index.tsx b/packages/website/ts/components/relayer_index/relayer_index.tsx
index 1e92dba85..bc84cf9e8 100644
--- a/packages/website/ts/components/relayer_index/relayer_index.tsx
+++ b/packages/website/ts/components/relayer_index/relayer_index.tsx
@@ -66,7 +66,7 @@ export class RelayerIndex extends React.Component<RelayerIndexProps, RelayerInde
                     >
                         {this.state.relayerInfos.map((relayerInfo: WebsiteBackendRelayerInfo) => (
                             <RelayerGridTile
-                                key={relayerInfo.id}
+                                key={relayerInfo.name}
                                 relayerInfo={relayerInfo}
                                 networkId={this.props.networkId}
                             />
diff --git a/packages/website/ts/components/top_bar/top_bar.tsx b/packages/website/ts/components/top_bar/top_bar.tsx
index 8c842d2a5..2502bea6d 100644
--- a/packages/website/ts/components/top_bar/top_bar.tsx
+++ b/packages/website/ts/components/top_bar/top_bar.tsx
@@ -143,6 +143,12 @@ export class TopBar extends React.Component<TopBarProps, TopBarState> {
                     primaryText={this.props.translate.get(Key.Web3Wrapper, Deco.CapWords)}
                 />
             </Link>,
+            <Link key="subMenuItem-order-utils" to={WebsitePaths.OrderUtils} className="text-decoration-none">
+                <MenuItem
+                    style={{ fontSize: styles.menuItem.fontSize }}
+                    primaryText={this.props.translate.get(Key.OrderUtils, Deco.CapWords)}
+                />
+            </Link>,
             <Link key="subMenuItem-deployer" to={WebsitePaths.Deployer} className="text-decoration-none">
                 <MenuItem
                     style={{ fontSize: styles.menuItem.fontSize }}
@@ -199,7 +205,7 @@ export class TopBar extends React.Component<TopBarProps, TopBarState> {
         return (
             <div style={{ ...styles.topBar, ...bottomBorderStyle, ...this.props.style, ...{ height } }} className="pb1">
                 <div className={parentClassNames}>
-                    <div className="col col-2 sm-pl2 md-pl2 lg-pl0" style={{ paddingTop: 15 }}>
+                    <div className="col col-2 sm-pl1 md-pl2 lg-pl0" style={{ paddingTop: 15 }}>
                         <Link to={`${WebsitePaths.Home}`} className="text-decoration-none">
                             <img src={logoUrl} height="30" />
                         </Link>
diff --git a/packages/website/ts/components/ui/input_label.tsx b/packages/website/ts/components/ui/input_label.tsx
index 6a3f26155..8137c0db6 100644
--- a/packages/website/ts/components/ui/input_label.tsx
+++ b/packages/website/ts/components/ui/input_label.tsx
@@ -17,7 +17,7 @@ const styles = {
         userSelect: 'none',
         width: 240,
         zIndex: 1,
-    },
+    } as React.CSSProperties,
 };
 
 export const InputLabel = (props: InputLabelProps) => {
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index d1ae38550..057c712e5 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -461,16 +461,16 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
             );
             balanceAndAllowanceTupleByAddress[tokenAddress] = balanceAndAllowanceTuple;
         }
-        const pricesByAddress = await this._getPricesByAddressAsync(tokenAddresses);
+        const priceByAddress = await this._getPriceByAddressAsync(tokenAddresses);
         const trackedTokenStateByAddress = _.reduce(
             tokenAddresses,
             (acc, address) => {
                 const [balance, allowance] = balanceAndAllowanceTupleByAddress[address];
-                const price = pricesByAddress[address];
+                const priceIfExists = _.get(priceByAddress, address);
                 acc[address] = {
                     balance,
                     allowance,
-                    price,
+                    price: priceIfExists,
                     isLoaded: true,
                 };
                 return acc;
@@ -487,16 +487,29 @@ export class Wallet extends React.Component<WalletProps, WalletState> {
     private async _refetchTokenStateAsync(tokenAddress: string) {
         await this._fetchBalancesAndAllowancesAsync([tokenAddress]);
     }
-    private async _getPricesByAddressAsync(tokenAddresses: string[]): Promise<ItemByAddress<BigNumber>> {
+    private async _getPriceByAddressAsync(tokenAddresses: string[]): Promise<ItemByAddress<BigNumber>> {
         if (_.isEmpty(tokenAddresses)) {
             return {};
         }
+        // for each input token address, search for the corresponding symbol in this.props.tokenByAddress, if it exists
+        // create a mapping from existing symbols -> address
+        const tokenAddressBySymbol: { [symbol: string]: string } = {};
+        _.each(tokenAddresses, address => {
+            const tokenIfExists = _.get(this.props.tokenByAddress, address);
+            if (!_.isUndefined(tokenIfExists)) {
+                const symbol = tokenIfExists.symbol;
+                tokenAddressBySymbol[symbol] = address;
+            }
+        });
+        const tokenSymbols = _.keys(tokenAddressBySymbol);
         try {
-            const websiteBackendPriceInfos = await backendClient.getPriceInfosAsync(tokenAddresses);
-            const addresses = _.map(websiteBackendPriceInfos, info => info.address);
-            const prices = _.map(websiteBackendPriceInfos, info => new BigNumber(info.price));
-            const pricesByAddress = _.zipObject(addresses, prices);
-            return pricesByAddress;
+            const priceBySymbol = await backendClient.getPriceInfoAsync(tokenSymbols);
+            const priceByAddress = _.mapKeys(priceBySymbol, (value, symbol) => _.get(tokenAddressBySymbol, symbol));
+            const result = _.mapValues(priceByAddress, price => {
+                const priceBigNumber = new BigNumber(price);
+                return priceBigNumber;
+            });
+            return result;
         } catch (err) {
             return {};
         }
diff --git a/packages/website/ts/containers/order_utils_documentation.ts b/packages/website/ts/containers/order_utils_documentation.ts
new file mode 100644
index 000000000..64aa7300f
--- /dev/null
+++ b/packages/website/ts/containers/order_utils_documentation.ts
@@ -0,0 +1,99 @@
+import { constants as docConstants, DocsInfo, DocsInfoConfig, SupportedDocJson } from '@0xproject/react-docs';
+import * as _ from 'lodash';
+import * as React from 'react';
+import { connect } from 'react-redux';
+import { Dispatch } from 'redux';
+import { DocPage as DocPageComponent, DocPageProps } from 'ts/pages/documentation/doc_page';
+import { Dispatcher } from 'ts/redux/dispatcher';
+import { State } from 'ts/redux/reducer';
+import { DocPackages, Environments, WebsitePaths } from 'ts/types';
+import { configs } from 'ts/utils/configs';
+import { constants } from 'ts/utils/constants';
+import { Translate } from 'ts/utils/translate';
+
+/* tslint:disable:no-var-requires */
+const IntroMarkdown = require('md/docs/order_utils/introduction');
+const InstallationMarkdown = require('md/docs/order_utils/installation');
+/* tslint:enable:no-var-requires */
+
+const docSections = {
+    introduction: 'introduction',
+    installation: 'installation',
+    usage: 'usage',
+    types: 'types',
+};
+
+const docsInfoConfig: DocsInfoConfig = {
+    id: DocPackages.OrderUtils,
+    type: SupportedDocJson.TypeDoc,
+    displayName: 'Order utils',
+    packageUrl: 'https://github.com/0xProject/0x-monorepo',
+    menu: {
+        introduction: [docSections.introduction],
+        install: [docSections.installation],
+        usage: [docSections.usage],
+        types: [docSections.types],
+    },
+    sectionNameToMarkdown: {
+        [docSections.introduction]: IntroMarkdown,
+        [docSections.installation]: InstallationMarkdown,
+    },
+    sectionNameToModulePath: {
+        [docSections.usage]: [
+            '"order-utils/src/order_hash"',
+            '"order-utils/src/signature_utils"',
+            '"order-utils/src/order_factory"',
+            '"order-utils/src/salt"',
+            '"order-utils/src/assert"',
+            '"order-utils/src/constants"',
+        ],
+        [docSections.types]: ['"order-utils/src/types"', '"types/src/index"'],
+    },
+    menuSubsectionToVersionWhenIntroduced: {},
+    sections: docSections,
+    visibleConstructors: [],
+    typeConfigs: {
+        // Note: This needs to be kept in sync with the types exported in index.ts. Unfortunately there is
+        // currently no way to extract the re-exported types from index.ts via TypeDoc :(
+        publicTypes: [
+            'OrderError',
+            'Order',
+            'SignedOrder',
+            'ECSignature',
+            'Provider',
+            'JSONRPCRequestPayload',
+            'JSONRPCResponsePayload',
+            'JSONRPCErrorCallback',
+        ],
+        typeNameToExternalLink: {
+            BigNumber: constants.URL_BIGNUMBERJS_GITHUB,
+        },
+    },
+};
+const docsInfo = new DocsInfo(docsInfoConfig);
+
+interface ConnectedState {
+    docsVersion: string;
+    availableDocVersions: string[];
+    docsInfo: DocsInfo;
+    translate: Translate;
+}
+
+interface ConnectedDispatch {
+    dispatcher: Dispatcher;
+}
+
+const mapStateToProps = (state: State, ownProps: DocPageProps): ConnectedState => ({
+    docsVersion: state.docsVersion,
+    availableDocVersions: state.availableDocVersions,
+    translate: state.translate,
+    docsInfo,
+});
+
+const mapDispatchToProps = (dispatch: Dispatch<State>): ConnectedDispatch => ({
+    dispatcher: new Dispatcher(dispatch),
+});
+
+export const Documentation: React.ComponentClass<DocPageProps> = connect(mapStateToProps, mapDispatchToProps)(
+    DocPageComponent,
+);
diff --git a/packages/website/ts/index.tsx b/packages/website/ts/index.tsx
index 7b7a7eb2e..1b1255214 100644
--- a/packages/website/ts/index.tsx
+++ b/packages/website/ts/index.tsx
@@ -66,6 +66,9 @@ const LazySolCovDocumentation = createLazyComponent('Documentation', async () =>
 const LazySubprovidersDocumentation = createLazyComponent('Documentation', async () =>
     System.import<any>(/* webpackChunkName: "subproviderDocs" */ 'ts/containers/subproviders_documentation'),
 );
+const LazyOrderUtilsDocumentation = createLazyComponent('Documentation', async () =>
+    System.import<any>(/* webpackChunkName: "orderUtilsDocs" */ 'ts/containers/order_utils_documentation'),
+);
 
 analytics.init();
 // tslint:disable-next-line:no-floating-promises
@@ -99,6 +102,10 @@ render(
                                 component={LazySubprovidersDocumentation}
                             />
                             <Route
+                                path={`${WebsitePaths.OrderUtils}/:version?`}
+                                component={LazyOrderUtilsDocumentation}
+                            />
+                            <Route
                                 path={`${WebsitePaths.Web3Wrapper}/:version?`}
                                 component={LazyWeb3WrapperDocumentation}
                             />
diff --git a/packages/website/ts/pages/about/about.tsx b/packages/website/ts/pages/about/about.tsx
index 97be59526..d78cca703 100644
--- a/packages/website/ts/pages/about/about.tsx
+++ b/packages/website/ts/pages/about/about.tsx
@@ -113,7 +113,7 @@ const teamRow4: ProfileInfo[] = [
     {
         name: 'Blake Henderson',
         title: 'Operations Associate',
-        description: `Operations and Analytics. Previously analytics at LinkedIn. Economics at UC San Diego. `,
+        description: `Operations and Analytics. Previously analytics at LinkedIn. Economics at UC San Diego.`,
         image: '/images/team/blake.jpg',
         linkedIn: 'https://www.linkedin.com/in/blakerhenderson/',
         github: '',
@@ -130,6 +130,27 @@ const teamRow4: ProfileInfo[] = [
     },
 ];
 
+const teamRow5: ProfileInfo[] = [
+    {
+        name: 'Greg Hysen',
+        title: 'Blockchain Engineer',
+        description: `Smart contract R&D. Previously lead distributed systems engineer at Hivemapper. Computer Science at University of Waterloo.`,
+        image: '/images/team/greg.jpeg',
+        linkedIn: 'https://www.linkedin.com/in/gregory-hysen-71741463/',
+        github: 'https://github.com/hysz',
+        medium: '',
+    },
+    {
+        name: 'Remco Bloemen',
+        title: 'Technical Fellow',
+        description: `Previously cofounder at Neufund and Coblue. Part III at Cambridge. PhD dropout at Twente Business School.`,
+        image: '/images/team/remco.jpeg',
+        linkedIn: 'https://www.linkedin.com/in/remcobloemen/',
+        github: 'http://github.com/recmo',
+        medium: '',
+    },
+];
+
 const advisors: ProfileInfo[] = [
     {
         name: 'Fred Ehrsam',
@@ -223,6 +244,7 @@ export class About extends React.Component<AboutProps, AboutState> {
                         <div className="clearfix">{this._renderProfiles(teamRow2)}</div>
                         <div className="clearfix">{this._renderProfiles(teamRow3)}</div>
                         <div className="clearfix">{this._renderProfiles(teamRow4)}</div>
+                        <div className="clearfix">{this._renderProfiles(teamRow5)}</div>
                     </div>
                     <div className="pt3 pb2">
                         <div
diff --git a/packages/website/ts/pages/documentation/doc_page.tsx b/packages/website/ts/pages/documentation/doc_page.tsx
index aca20447b..9feb27dac 100644
--- a/packages/website/ts/pages/documentation/doc_page.tsx
+++ b/packages/website/ts/pages/documentation/doc_page.tsx
@@ -34,6 +34,7 @@ const docIdToSubpackageName: { [id: string]: string } = {
     [DocPackages.JSONSchemas]: 'json-schemas',
     [DocPackages.SolCov]: 'sol-cov',
     [DocPackages.Subproviders]: 'subproviders',
+    [DocPackages.OrderUtils]: 'order-utils',
 };
 
 export interface DocPageProps {
diff --git a/packages/website/ts/pages/landing/landing.tsx b/packages/website/ts/pages/landing/landing.tsx
index f961220fd..a63c24fb7 100644
--- a/packages/website/ts/pages/landing/landing.tsx
+++ b/packages/website/ts/pages/landing/landing.tsx
@@ -37,6 +37,8 @@ interface Project {
 }
 
 const THROTTLE_TIMEOUT = 100;
+const WHATS_NEW_TITLE = '18 ideas for 0x relayers in 2018';
+const WHATS_NEW_URL = 'https://blog.0xproject.com/18-ideas-for-0x-relayers-in-2018-80a1498b955f';
 
 const relayersAndDappProjects: Project[] = [
     {
@@ -233,6 +235,7 @@ export class Landing extends React.Component<LandingProps, LandingState> {
         return (
             <div className="clearfix py4" style={{ backgroundColor: colors.heroGrey }}>
                 <div className="mx-auto max-width-4 clearfix">
+                    {this._renderWhatsNew()}
                     <div className="lg-pt4 md-pt4 sm-pt2 lg-pb4 md-pb4 lg-my4 md-my4 sm-mt2 sm-mb4 clearfix">
                         <div className="col lg-col-5 md-col-5 col-12 sm-center">
                             <img src="/images/landing/hero_chip_image.png" height={isSmallScreen ? 300 : 395} />
@@ -302,6 +305,28 @@ export class Landing extends React.Component<LandingProps, LandingState> {
             </div>
         );
     }
+    private _renderWhatsNew() {
+        return (
+            <div className="sm-center sm-px1">
+                <a href={WHATS_NEW_URL} target="_blank" className="inline-block text-decoration-none">
+                    <div className="flex sm-pl0 md-pl2 lg-pl0" style={{ fontFamily: 'Roboto Mono', fontWeight: 600 }}>
+                        <div
+                            className="mr1 px1"
+                            style={{
+                                backgroundColor: colors.lightTurquois,
+                                borderRadius: 3,
+                                color: colors.heroGrey,
+                                height: 23,
+                            }}
+                        >
+                            New
+                        </div>
+                        <div style={{ color: colors.darkGrey }}>{WHATS_NEW_TITLE}</div>
+                    </div>
+                </a>
+            </div>
+        );
+    }
     private _renderProjects(projects: Project[], title: string, backgroundColor: string, isTitleCenter: boolean) {
         const isSmallScreen = this.state.screenWidth === ScreenWidths.Sm;
         const projectList = _.map(projects, (project: Project, i: number) => {
diff --git a/packages/website/ts/pages/wiki/wiki.tsx b/packages/website/ts/pages/wiki/wiki.tsx
index 7ed2b750d..edca5834d 100644
--- a/packages/website/ts/pages/wiki/wiki.tsx
+++ b/packages/website/ts/pages/wiki/wiki.tsx
@@ -47,7 +47,7 @@ const styles: Styles = {
         left: 0,
         bottom: 0,
         right: 0,
-        overflowZ: 'hidden',
+        overflow: 'hidden',
         height: `calc(100vh - ${TOP_BAR_HEIGHT}px)`,
         WebkitOverflowScrolling: 'touch',
     },
diff --git a/packages/website/ts/types.ts b/packages/website/ts/types.ts
index 2544e6735..2754075a7 100644
--- a/packages/website/ts/types.ts
+++ b/packages/website/ts/types.ts
@@ -361,6 +361,7 @@ export enum WebsitePaths {
     JSONSchemas = '/docs/json-schemas',
     SolCov = '/docs/sol-cov',
     Subproviders = '/docs/subproviders',
+    OrderUtils = '/docs/order-utils',
     Jobs = '/jobs',
 }
 
@@ -373,6 +374,7 @@ export enum DocPackages {
     JSONSchemas = 'JSON_SCHEMAS',
     SolCov = 'SOL_COV',
     Subproviders = 'SUBPROVIDERS',
+    OrderUtils = 'ORDER_UTILS',
 }
 
 export enum Key {
@@ -431,6 +433,7 @@ export enum Key {
     Whitepaper = 'WHITEPAPER',
     Wiki = 'WIKI',
     Web3Wrapper = 'WEB3_WRAPPER',
+    OrderUtils = 'ORDER_UTILS',
     And = 'AND',
     Faq = 'FAQ',
     SmartContracts = 'SMART_CONTRACTS',
@@ -500,17 +503,17 @@ export interface TokenState {
     price?: BigNumber;
 }
 
-// TODO: Add topTokens and headerUrl properties once available from backend
+// TODO: Add topTokens property once available from backend
 export interface WebsiteBackendRelayerInfo {
-    id: string;
     name: string;
     dailyTxnVolume: string;
     url: string;
+    appUrl?: string;
+    headerImgUrl: string;
 }
 
 export interface WebsiteBackendPriceInfo {
-    price: string;
-    address: string;
+    [symbol: string]: string;
 }
 
 export interface WebsiteBackendGasInfo {
diff --git a/packages/website/ts/utils/backend_client.ts b/packages/website/ts/utils/backend_client.ts
index fdbb3e03a..63e06fda7 100644
--- a/packages/website/ts/utils/backend_client.ts
+++ b/packages/website/ts/utils/backend_client.ts
@@ -1,16 +1,8 @@
-import { BigNumber, logUtils } from '@0xproject/utils';
 import * as _ from 'lodash';
-import * as queryString from 'query-string';
 
-import {
-    ArticlesBySection,
-    ItemByAddress,
-    WebsiteBackendGasInfo,
-    WebsiteBackendPriceInfo,
-    WebsiteBackendRelayerInfo,
-} from 'ts/types';
+import { ArticlesBySection, WebsiteBackendGasInfo, WebsiteBackendPriceInfo, WebsiteBackendRelayerInfo } from 'ts/types';
 import { configs } from 'ts/utils/configs';
-import { errorReporter } from 'ts/utils/error_reporter';
+import { fetchUtils } from 'ts/utils/fetch_utils';
 
 const ETH_GAS_STATION_ENDPOINT = '/eth_gas_station';
 const PRICES_ENDPOINT = '/prices';
@@ -19,52 +11,26 @@ const WIKI_ENDPOINT = '/wiki';
 
 export const backendClient = {
     async getGasInfoAsync(): Promise<WebsiteBackendGasInfo> {
-        const result = await requestAsync(ETH_GAS_STATION_ENDPOINT);
+        const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, ETH_GAS_STATION_ENDPOINT);
         return result;
     },
-    async getPriceInfosAsync(tokenAddresses: string[]): Promise<WebsiteBackendPriceInfo[]> {
-        if (_.isEmpty(tokenAddresses)) {
-            return [];
+    async getPriceInfoAsync(tokenSymbols: string[]): Promise<WebsiteBackendPriceInfo> {
+        if (_.isEmpty(tokenSymbols)) {
+            return {};
         }
-        const joinedTokenAddresses = tokenAddresses.join(',');
+        const joinedTokenSymbols = tokenSymbols.join(',');
         const queryParams = {
-            tokens: joinedTokenAddresses,
+            tokens: joinedTokenSymbols,
         };
-        const result = await requestAsync(PRICES_ENDPOINT, queryParams);
+        const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, PRICES_ENDPOINT, queryParams);
         return result;
     },
     async getRelayerInfosAsync(): Promise<WebsiteBackendRelayerInfo[]> {
-        const result = await requestAsync(RELAYERS_ENDPOINT);
+        const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, RELAYERS_ENDPOINT);
         return result;
     },
     async getWikiArticlesBySectionAsync(): Promise<ArticlesBySection> {
-        const result = await requestAsync(WIKI_ENDPOINT);
+        const result = await fetchUtils.requestAsync(configs.BACKEND_BASE_URL, WIKI_ENDPOINT);
         return result;
     },
 };
-
-async function requestAsync(endpoint: string, queryParams?: object): Promise<any> {
-    const query = queryStringFromQueryParams(queryParams);
-    const url = `${configs.BACKEND_BASE_URL}${endpoint}${query}`;
-    const response = await fetch(url);
-    if (response.status !== 200) {
-        const errorText = `Error requesting url: ${url}, ${response.status}: ${response.statusText}`;
-        logUtils.log(errorText);
-        const error = Error(errorText);
-        // tslint:disable-next-line:no-floating-promises
-        errorReporter.reportAsync(error);
-        throw error;
-    }
-    const result = await response.json();
-    return result;
-}
-
-function queryStringFromQueryParams(queryParams?: object): string {
-    // if params are undefined or empty, return an empty string
-    if (_.isUndefined(queryParams) || _.isEmpty(queryParams)) {
-        return '';
-    }
-    // stringify the formatted object
-    const stringifiedParams = queryString.stringify(queryParams);
-    return `?${stringifiedParams}`;
-}
diff --git a/packages/website/ts/utils/fetch_utils.ts b/packages/website/ts/utils/fetch_utils.ts
new file mode 100644
index 000000000..d2e902db5
--- /dev/null
+++ b/packages/website/ts/utils/fetch_utils.ts
@@ -0,0 +1,33 @@
+import { logUtils } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as queryString from 'query-string';
+
+import { errorReporter } from 'ts/utils/error_reporter';
+
+export const fetchUtils = {
+    async requestAsync(baseUrl: string, path: string, queryParams?: object): Promise<any> {
+        const query = queryStringFromQueryParams(queryParams);
+        const url = `${baseUrl}${path}${query}`;
+        const response = await fetch(url);
+        if (response.status !== 200) {
+            const errorText = `Error requesting url: ${url}, ${response.status}: ${response.statusText}`;
+            logUtils.log(errorText);
+            const error = Error(errorText);
+            // tslint:disable-next-line:no-floating-promises
+            errorReporter.reportAsync(error);
+            throw error;
+        }
+        const result = await response.json();
+        return result;
+    },
+};
+
+function queryStringFromQueryParams(queryParams?: object): string {
+    // if params are undefined or empty, return an empty string
+    if (_.isUndefined(queryParams) || _.isEmpty(queryParams)) {
+        return '';
+    }
+    // stringify the formatted object
+    const stringifiedParams = queryString.stringify(queryParams);
+    return `?${stringifiedParams}`;
+}
diff --git a/packages/website/ts/utils/utils.ts b/packages/website/ts/utils/utils.ts
index 53d60b3ce..0d77b9e72 100644
--- a/packages/website/ts/utils/utils.ts
+++ b/packages/website/ts/utils/utils.ts
@@ -1,4 +1,5 @@
 import { ECSignature, ExchangeContractErrs, ZeroEx, ZeroExError } from '0x.js';
+import { OrderError } from '@0xproject/order-utils';
 import { constants as sharedConstants, EtherscanLinkSuffixes, Networks } from '@0xproject/react-shared';
 import { Provider } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
@@ -202,7 +203,7 @@ export const utils = {
             [ZeroExError.ZRXContractDoesNotExist]: 'ZRX contract does not exist',
             [ZeroExError.UnhandledError]: 'Unhandled error occured',
             [ZeroExError.UserHasNoAssociatedAddress]: 'User has no addresses available',
-            [ZeroExError.InvalidSignature]: 'Order signature is not valid',
+            [OrderError.InvalidSignature]: 'Order signature is not valid',
             [ZeroExError.ContractNotDeployedOnNetwork]: 'Contract is not deployed on the detected network',
             [ZeroExError.InvalidJump]: 'Invalid jump occured while executing the transaction',
             [ZeroExError.OutOfGas]: 'Transaction ran out of gas',
author	Brandon Millman <brandon.millman@gmail.com>	2018-05-09 02:04:31 +0800
committer	Brandon Millman <brandon.millman@gmail.com>	2018-05-09 02:04:31 +0800
commit	607d738342a839788b59e0dee63849ea447331bc (patch)
tree	d90078ec0e95357a2fe9fb4af65f9135e9e44408 /packages
parent	b8c611de2b82657a274c55007ffc5d72807eae7f (diff)
parent	e9d70b7b1edb5089a6e5e2a9ee8c964ab4b4d4ab (diff)
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