Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/instant/metamask-connect-flow

125 files changed, 878 insertions, 443 deletions

diff --git a/packages/0x.js/CHANGELOG.json b/packages/0x.js/CHANGELOG.json
index 7d9cb8312..c5c45026b 100644
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "2.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.0.1",
         "changes": [
             {
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index d312b2c9b..3261e4004 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.0.1 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index 38478980f..d49c8f188 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -1,6 +1,6 @@
 {
     "name": "0x.js",
-    "version": "2.0.1",
+    "version": "2.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -43,10 +43,10 @@
     "license": "Apache-2.0",
     "devDependencies": {
         "@0x/abi-gen": "^1.0.15",
-        "@0x/abi-gen-wrappers": "^1.0.2",
+        "@0x/abi-gen-wrappers": "^1.0.3",
         "@0x/contract-addresses": "^1.1.0",
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/migrations": "^2.0.1",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/migrations": "^2.0.2",
         "@0x/tslint-config": "^1.0.10",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
@@ -73,16 +73,16 @@
         "webpack": "^4.20.2"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/base-contract": "^3.0.3",
-        "@0x/contract-wrappers": "^3.0.1",
-        "@0x/order-utils": "^2.0.1",
-        "@0x/order-watcher": "^2.2.1",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/base-contract": "^3.0.4",
+        "@0x/contract-wrappers": "^4.0.0",
+        "@0x/order-utils": "^3.0.0",
+        "@0x/order-watcher": "^2.2.2",
+        "@0x/subproviders": "^2.1.2",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/web3-provider-engine": "^14.0.0",
         "ethereum-types": "^1.1.2",
         "ethers": "~4.0.4",
diff --git a/packages/abi-gen-wrappers/CHANGELOG.json b/packages/abi-gen-wrappers/CHANGELOG.json
index c3273536b..14a0eadcb 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.2",
         "changes": [
             {
diff --git a/packages/abi-gen-wrappers/CHANGELOG.md b/packages/abi-gen-wrappers/CHANGELOG.md
index 18bd28cb8..649540841 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.md
+++ b/packages/abi-gen-wrappers/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.3 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.2 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index a4316449f..5dab1fd3c 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/abi-gen-wrappers",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -33,14 +33,14 @@
         "@0x/abi-gen": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "ethereum-types": "^1.1.2",
         "ethers": "~4.0.4",
         "lodash": "^4.17.5",
         "shx": "^0.2.2"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.3"
+        "@0x/base-contract": "^3.0.4"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/assert/CHANGELOG.json b/packages/assert/CHANGELOG.json
index 82c0938cf..67c14f68f 100644
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.15",
         "changes": [
             {
diff --git a/packages/assert/CHANGELOG.md b/packages/assert/CHANGELOG.md
index 7d0895eca..01b1dbbb5 100644
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.16 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.15 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/assert/package.json b/packages/assert/package.json
index cc2fdaae9..1db886737 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/assert",
-    "version": "1.0.15",
+    "version": "1.0.16",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,7 +44,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/json-schemas": "^2.1.0",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
         "lodash": "^4.17.5",
diff --git a/packages/asset-buyer/CHANGELOG.json b/packages/asset-buyer/CHANGELOG.json
index df4531063..aa0d28879 100644
--- a/packages/asset-buyer/CHANGELOG.json
+++ b/packages/asset-buyer/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "2.2.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.2.0",
         "changes": [
             {
diff --git a/packages/asset-buyer/CHANGELOG.md b/packages/asset-buyer/CHANGELOG.md
index d6220767e..331e4df9d 100644
--- a/packages/asset-buyer/CHANGELOG.md
+++ b/packages/asset-buyer/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.2.1 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.2.0 - _November 9, 2018_
 
     * `getAssetBuyerForProvidedOrders` factory function now takes 3 args instead of 4 (#1187)
diff --git a/packages/asset-buyer/package.json b/packages/asset-buyer/package.json
index fc2414952..58daac16e 100644
--- a/packages/asset-buyer/package.json
+++ b/packages/asset-buyer/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/asset-buyer",
-    "version": "2.2.0",
+    "version": "2.2.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -36,16 +36,16 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/asset-buyer/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/connect": "^3.0.3",
-        "@0x/contract-wrappers": "^3.0.1",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/connect": "^3.0.4",
+        "@0x/contract-wrappers": "^4.0.0",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
+        "@0x/subproviders": "^2.1.2",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "ethereum-types": "^1.1.2",
         "lodash": "^4.17.10"
     },
diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index f8a1051d6..b6ce29874 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "3.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "3.0.3",
         "changes": [
             {
diff --git a/packages/base-contract/CHANGELOG.md b/packages/base-contract/CHANGELOG.md
index d544f4f99..984eeb3f1 100644
--- a/packages/base-contract/CHANGELOG.md
+++ b/packages/base-contract/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.4 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v3.0.3 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index efa4a5c81..d92566208 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/base-contract",
-    "version": "3.0.3",
+    "version": "3.0.4",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,7 +42,7 @@
     "dependencies": {
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "ethereum-types": "^1.1.2",
         "ethers": "~4.0.4",
         "lodash": "^4.17.5"
diff --git a/packages/connect/CHANGELOG.json b/packages/connect/CHANGELOG.json
index 52ad9d575..583c55cfc 100644
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "3.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "3.0.3",
         "changes": [
             {
diff --git a/packages/connect/CHANGELOG.md b/packages/connect/CHANGELOG.md
index 8e38e16de..7a57c1f88 100644
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.4 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v3.0.3 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 527ac5bdc..09d8334a7 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/connect",
-    "version": "3.0.3",
+    "version": "3.0.4",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,9 +44,9 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/connect/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
diff --git a/packages/connect/src/http_client.ts b/packages/connect/src/http_client.ts
index b6c031fa8..c52425431 100644
--- a/packages/connect/src/http_client.ts
+++ b/packages/connect/src/http_client.ts
@@ -19,7 +19,6 @@ import { fetchAsync } from '@0x/utils';
 import * as _ from 'lodash';
 import * as queryString from 'query-string';
 
-import { schemas as clientSchemas } from './schemas/schemas';
 import { Client, HttpRequestOptions, HttpRequestType } from './types';
 import { relayerResponseJsonParsers } from './utils/relayer_response_json_parsers';
 
@@ -61,9 +60,9 @@ export class HttpClient implements Client {
         requestOpts?: RequestOpts & AssetPairsRequestOpts & PagedRequestOpts,
     ): Promise<AssetPairsResponse> {
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.assetPairsRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.pagedRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.assetPairsRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.pagedRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
         const httpRequestOpts = {
             params: requestOpts,
@@ -81,9 +80,9 @@ export class HttpClient implements Client {
         requestOpts?: RequestOpts & OrdersRequestOpts & PagedRequestOpts,
     ): Promise<OrdersResponse> {
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.ordersRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.pagedRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.ordersRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.pagedRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
         const httpRequestOpts = {
             params: requestOpts,
@@ -99,7 +98,7 @@ export class HttpClient implements Client {
      */
     public async getOrderAsync(orderHash: string, requestOpts?: RequestOpts): Promise<APIOrder> {
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
         assert.doesConformToSchema('orderHash', orderHash, schemas.orderHashSchema);
         const httpRequestOpts = {
@@ -119,10 +118,10 @@ export class HttpClient implements Client {
         request: OrderbookRequest,
         requestOpts?: RequestOpts & PagedRequestOpts,
     ): Promise<OrderbookResponse> {
-        assert.doesConformToSchema('request', request, clientSchemas.orderBookRequestSchema);
+        assert.doesConformToSchema('request', request, schemas.orderBookRequestSchema);
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.pagedRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.pagedRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
         const httpRequestOpts = {
             params: _.defaults({}, request, requestOpts),
@@ -142,9 +141,9 @@ export class HttpClient implements Client {
         requestOpts?: RequestOpts,
     ): Promise<OrderConfigResponse> {
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
-        assert.doesConformToSchema('request', request, clientSchemas.orderConfigRequestSchema);
+        assert.doesConformToSchema('request', request, schemas.orderConfigRequestSchema);
         const httpRequestOpts = {
             params: requestOpts,
             payload: request,
@@ -160,8 +159,8 @@ export class HttpClient implements Client {
      */
     public async getFeeRecipientsAsync(requestOpts?: RequestOpts & PagedRequestOpts): Promise<FeeRecipientsResponse> {
         if (!_.isUndefined(requestOpts)) {
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.pagedRequestOptsSchema);
-            assert.doesConformToSchema('requestOpts', requestOpts, clientSchemas.requestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.pagedRequestOptsSchema);
+            assert.doesConformToSchema('requestOpts', requestOpts, schemas.requestOptsSchema);
         }
         const httpRequestOpts = {
             params: requestOpts,
diff --git a/packages/connect/src/schemas/asset_pairs_request_opts_schema.ts b/packages/connect/src/schemas/asset_pairs_request_opts_schema.ts
deleted file mode 100644
index a9e3942a4..000000000
--- a/packages/connect/src/schemas/asset_pairs_request_opts_schema.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-export const assetPairsRequestOptsSchema = {
-    id: '/AssetPairsRequestOpts',
-    type: 'object',
-    properties: {
-        assetDataA: { $ref: '/hexSchema' },
-        assetDataB: { $ref: '/hexSchema' },
-    },
-};
diff --git a/packages/connect/src/schemas/order_config_request_schema.ts b/packages/connect/src/schemas/order_config_request_schema.ts
deleted file mode 100644
index 0eda430e8..000000000
--- a/packages/connect/src/schemas/order_config_request_schema.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-export const orderConfigRequestSchema = {
-    id: '/OrderConfigRequest',
-    type: 'object',
-    properties: {
-        makerAddress: { $ref: '/addressSchema' },
-        takerAddress: { $ref: '/addressSchema' },
-        makerAssetAmount: { $ref: '/numberSchema' },
-        takerAssetAmount: { $ref: '/numberSchema' },
-        makerAssetData: { $ref: '/hexSchema' },
-        takerAssetData: { $ref: '/hexSchema' },
-        exchangeAddress: { $ref: '/addressSchema' },
-        expirationTimeSeconds: { $ref: '/numberSchema' },
-    },
-    required: [
-        'makerAddress',
-        'takerAddress',
-        'makerAssetAmount',
-        'takerAssetAmount',
-        'makerAssetData',
-        'takerAssetData',
-        'exchangeAddress',
-        'expirationTimeSeconds',
-    ],
-};
diff --git a/packages/connect/src/schemas/orderbook_request_schema.ts b/packages/connect/src/schemas/orderbook_request_schema.ts
deleted file mode 100644
index 0c9389d50..000000000
--- a/packages/connect/src/schemas/orderbook_request_schema.ts
+++ /dev/null
@@ -1,9 +0,0 @@
-export const orderBookRequestSchema = {
-    id: '/OrderBookRequest',
-    type: 'object',
-    properties: {
-        baseAssetData: { $ref: '/hexSchema' },
-        quoteAssetData: { $ref: '/hexSchema' },
-    },
-    required: ['baseAssetData', 'quoteAssetData'],
-};
diff --git a/packages/connect/src/schemas/orders_request_opts_schema.ts b/packages/connect/src/schemas/orders_request_opts_schema.ts
deleted file mode 100644
index 71ce3d06f..000000000
--- a/packages/connect/src/schemas/orders_request_opts_schema.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-export const ordersRequestOptsSchema = {
-    id: '/OrdersRequestOpts',
-    type: 'object',
-    properties: {
-        makerAssetProxyId: { $ref: '/hexSchema' },
-        takerAssetProxyId: { $ref: '/hexSchema' },
-        makerAssetAddress: { $ref: '/addressSchema' },
-        takerAssetAddress: { $ref: '/addressSchema' },
-        exchangeAddress: { $ref: '/addressSchema' },
-        senderAddress: { $ref: '/addressSchema' },
-        makerAssetData: { $ref: '/hexSchema' },
-        takerAssetData: { $ref: '/hexSchema' },
-        traderAssetData: { $ref: '/hexSchema' },
-        makerAddress: { $ref: '/addressSchema' },
-        takerAddress: { $ref: '/addressSchema' },
-        traderAddress: { $ref: '/addressSchema' },
-        feeRecipientAddress: { $ref: '/addressSchema' },
-    },
-};
diff --git a/packages/connect/src/schemas/paged_request_opts_schema.ts b/packages/connect/src/schemas/paged_request_opts_schema.ts
deleted file mode 100644
index eb2e52100..000000000
--- a/packages/connect/src/schemas/paged_request_opts_schema.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-export const pagedRequestOptsSchema = {
-    id: '/PagedRequestOpts',
-    type: 'object',
-    properties: {
-        page: { type: 'number' },
-        perPage: { type: 'number' },
-    },
-};
diff --git a/packages/connect/src/schemas/request_opts_schema.ts b/packages/connect/src/schemas/request_opts_schema.ts
deleted file mode 100644
index a51e98069..000000000
--- a/packages/connect/src/schemas/request_opts_schema.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-export const requestOptsSchema = {
-    id: '/RequestOpts',
-    type: 'object',
-    properties: {
-        networkId: { type: 'number' },
-    },
-};
diff --git a/packages/connect/src/schemas/schemas.ts b/packages/connect/src/schemas/schemas.ts
deleted file mode 100644
index 8d101ed6f..000000000
--- a/packages/connect/src/schemas/schemas.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { assetPairsRequestOptsSchema } from './asset_pairs_request_opts_schema';
-import { orderConfigRequestSchema } from './order_config_request_schema';
-import { orderBookRequestSchema } from './orderbook_request_schema';
-import { ordersRequestOptsSchema } from './orders_request_opts_schema';
-import { pagedRequestOptsSchema } from './paged_request_opts_schema';
-import { requestOptsSchema } from './request_opts_schema';
-
-export const schemas = {
-    orderConfigRequestSchema,
-    orderBookRequestSchema,
-    ordersRequestOptsSchema,
-    pagedRequestOptsSchema,
-    requestOptsSchema,
-    assetPairsRequestOptsSchema,
-};
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index 0346b79b2..425c33643 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -1,5 +1,26 @@
 [
     {
+        "version": "4.0.0",
+        "changes": [
+            {
+                "note":
+                    "Add signature validation, regular cancellation and `cancelledUpTo` checks to `validateOrderFillableOrThrowAsync`",
+                "pr": 1235
+            },
+            {
+                "note":
+                    "Improved the errors thrown by `validateOrderFillableOrThrowAsync` by making them more descriptive",
+                "pr": 1235
+            },
+            {
+                "note":
+                    "Throw previously swallowed network errors when calling `validateOrderFillableOrThrowAsync` (see issue: #1218)",
+                "pr": 1235
+            }
+        ],
+        "timestamp": 1542028948
+    },
+    {
         "version": "3.0.1",
         "changes": [
             {
diff --git a/packages/contract-wrappers/CHANGELOG.md b/packages/contract-wrappers/CHANGELOG.md
index 1fe903dd9..52c3fece6 100644
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _November 12, 2018_
+
+    * Add signature validation, regular cancellation and `cancelledUpTo` checks to `validateOrderFillableOrThrowAsync` (#1235)
+    * Improved the errors thrown by `validateOrderFillableOrThrowAsync` by making them more descriptive (#1235)
+    * Throw previously swallowed network errors when calling `validateOrderFillableOrThrowAsync` (see issue: #1218) (#1235)
+
 ## v3.0.1 - _November 9, 2018_
 
     * Fix bug in `ForwarderWrapper` where `feeRecipientAddress` was not correctly normalized. (#1178)
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index cb69bbd33..ab316c586 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-wrappers",
-    "version": "3.0.1",
+    "version": "4.0.0",
     "description": "Smart TS wrappers for 0x smart contracts",
     "keywords": [
         "0xproject",
@@ -37,9 +37,9 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/migrations": "^2.0.1",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/migrations": "^2.0.2",
+        "@0x/subproviders": "^2.1.2",
         "@0x/tslint-config": "^1.0.10",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
@@ -65,17 +65,17 @@
         "web3-provider-engine": "14.0.6"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^1.0.2",
-        "@0x/assert": "^1.0.15",
+        "@0x/abi-gen-wrappers": "^1.0.3",
+        "@0x/assert": "^1.0.16",
         "@0x/contract-addresses": "^1.1.0",
         "@0x/contract-artifacts": "^1.1.0",
-        "@0x/fill-scenarios": "^1.0.9",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
+        "@0x/fill-scenarios": "^1.0.10",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "ethereum-types": "^1.1.2",
         "ethereumjs-blockstream": "6.0.0",
         "ethereumjs-util": "^5.1.1",
diff --git a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
index 2e978f35b..c76e51eee 100644
--- a/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/exchange_wrapper.ts
@@ -18,6 +18,7 @@ import { OrderFilledCancelledFetcher } from '../fetchers/order_filled_cancelled_
 import { methodOptsSchema } from '../schemas/method_opts_schema';
 import { orderTxOptsSchema } from '../schemas/order_tx_opts_schema';
 import { txOptsSchema } from '../schemas/tx_opts_schema';
+import { validateOrderFillableOptsSchema } from '../schemas/validate_order_fillable_opts_schema';
 import {
     BlockRange,
     EventCallback,
@@ -1114,6 +1115,9 @@ export class ExchangeWrapper extends ContractWrapper {
         signedOrder: SignedOrder,
         opts: ValidateOrderFillableOpts = {},
     ): Promise<void> {
+        assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
+        assert.doesConformToSchema('opts', opts, validateOrderFillableOptsSchema);
+
         const balanceAllowanceFetcher = new AssetBalanceAndProxyAllowanceFetcher(
             this._erc20TokenWrapper,
             this._erc721TokenWrapper,
@@ -1124,7 +1128,7 @@ export class ExchangeWrapper extends ContractWrapper {
 
         const expectedFillTakerTokenAmountIfExists = opts.expectedFillTakerTokenAmount;
         const filledCancelledFetcher = new OrderFilledCancelledFetcher(this, BlockParamLiteral.Latest);
-        const orderValidationUtils = new OrderValidationUtils(filledCancelledFetcher);
+        const orderValidationUtils = new OrderValidationUtils(filledCancelledFetcher, this._web3Wrapper.getProvider());
         await orderValidationUtils.validateOrderFillableOrThrowAsync(
             exchangeTradeSimulator,
             signedOrder,
@@ -1152,7 +1156,7 @@ export class ExchangeWrapper extends ContractWrapper {
         const exchangeTradeSimulator = new ExchangeTransferSimulator(balanceAllowanceStore);
 
         const filledCancelledFetcher = new OrderFilledCancelledFetcher(this, BlockParamLiteral.Latest);
-        const orderValidationUtils = new OrderValidationUtils(filledCancelledFetcher);
+        const orderValidationUtils = new OrderValidationUtils(filledCancelledFetcher, this._web3Wrapper.getProvider());
         await orderValidationUtils.validateFillOrderThrowIfInvalidAsync(
             exchangeTradeSimulator,
             this._web3Wrapper.getProvider(),
diff --git a/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts b/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
index acf7038fa..5d350916c 100644
--- a/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
+++ b/packages/contract-wrappers/src/fetchers/order_filled_cancelled_fetcher.ts
@@ -1,5 +1,6 @@
 // tslint:disable:no-unnecessary-type-assertion
-import { AbstractOrderFilledCancelledFetcher } from '@0x/order-utils';
+import { AbstractOrderFilledCancelledFetcher, orderHashUtils } from '@0x/order-utils';
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import { BlockParamLiteral } from 'ethereum-types';
 
@@ -18,9 +19,18 @@ export class OrderFilledCancelledFetcher implements AbstractOrderFilledCancelled
         });
         return filledTakerAmount;
     }
-    public async isOrderCancelledAsync(orderHash: string): Promise<boolean> {
+    public async isOrderCancelledAsync(signedOrder: SignedOrder): Promise<boolean> {
+        const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
         const isCancelled = await this._exchange.isCancelledAsync(orderHash);
-        return isCancelled;
+        const orderEpoch = await this._exchange.getOrderEpochAsync(
+            signedOrder.makerAddress,
+            signedOrder.senderAddress,
+            {
+                defaultBlock: this._stateLayer,
+            },
+        );
+        const isCancelledByOrderEpoch = orderEpoch > signedOrder.salt;
+        return isCancelled || isCancelledByOrderEpoch;
     }
     public getZRXAssetData(): string {
         const zrxAssetData = this._exchange.getZRXAssetData();
diff --git a/packages/contract-wrappers/src/schemas/validate_order_fillable_opts_schema.ts b/packages/contract-wrappers/src/schemas/validate_order_fillable_opts_schema.ts
new file mode 100644
index 000000000..2e111af04
--- /dev/null
+++ b/packages/contract-wrappers/src/schemas/validate_order_fillable_opts_schema.ts
@@ -0,0 +1,7 @@
+export const validateOrderFillableOptsSchema = {
+    id: '/ValidateOrderFillableOpts',
+    properties: {
+        expectedFillTakerTokenAmount: { $ref: '/wholeNumberSchema' },
+    },
+    type: 'object',
+};
diff --git a/packages/contract-wrappers/test/exchange_wrapper_test.ts b/packages/contract-wrappers/test/exchange_wrapper_test.ts
index 0e537bd83..73ce6c743 100644
--- a/packages/contract-wrappers/test/exchange_wrapper_test.ts
+++ b/packages/contract-wrappers/test/exchange_wrapper_test.ts
@@ -1,7 +1,7 @@
 import { BlockchainLifecycle, callbackErrorReporter } from '@0x/dev-utils';
 import { FillScenarios } from '@0x/fill-scenarios';
 import { assetDataUtils, orderHashUtils } from '@0x/order-utils';
-import { DoneCallback, SignedOrder } from '@0x/types';
+import { DoneCallback, RevertReason, SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import * as chai from 'chai';
 import { BlockParamLiteral } from 'ethereum-types';
@@ -282,6 +282,19 @@ describe('ExchangeWrapper', () => {
             expect(ordersInfo[1].orderHash).to.be.equal(anotherOrderHash);
         });
     });
+    describe('#validateOrderFillableOrThrowAsync', () => {
+        it('should throw if signature is invalid', async () => {
+            const signedOrderWithInvalidSignature = {
+                ...signedOrder,
+                signature:
+                    '0x1b61a3ed31b43c8780e905a260a35faefcc527be7516aa11c0256729b5b351bc3340349190569279751135161d22529dc25add4f6069af05be04cacbda2ace225403',
+            };
+
+            expect(
+                contractWrappers.exchange.validateOrderFillableOrThrowAsync(signedOrderWithInvalidSignature),
+            ).to.eventually.to.be.rejectedWith(RevertReason.InvalidOrderSignature);
+        });
+    });
     describe('#isValidSignature', () => {
         it('should check if the signature is valid', async () => {
             const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
diff --git a/packages/contracts/CHANGELOG.json b/packages/contracts/CHANGELOG.json
new file mode 100644
index 000000000..3f57a33d6
--- /dev/null
+++ b/packages/contracts/CHANGELOG.json
@@ -0,0 +1,115 @@
+[
+    {
+        "name": "Forwarder",
+        "version": "1.1.0",
+        "changes": [
+            {
+                "note": "Round up when calculating remaining amounts in marketBuy functions",
+                "pr": 1162,
+                "networks": {
+                    "1": "0x5468a1dc173652ee28d249c271fa9933144746b1",
+                    "3": "0x2240dab907db71e64d3e0dba4800c83b5c502d4e",
+                    "42": "0x17992e4ffb22730138e4b62aaa6367fa9d3699a6"
+                }
+            }
+        ]
+    },
+    {
+        "name": "Forwarder",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x7afc2d5107af94c462a194d2c21b5bdd238709d6",
+                    "3": "0x3983e204b12b3c02fb0638caf2cd406a62e0ead3",
+                    "42": "0xd85e2fa7e7e252b27b01bf0d65c946959d2f45b8"
+                }
+            }
+        ]
+    },
+    {
+        "name": "OrderValidator",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x9463e518dea6810309563c81d5266c1b1d149138",
+                    "3": "0x90431a90516ab49af23a0530e04e8c7836e7122f",
+                    "42": "0xb389da3d204b412df2f75c6afb3d0a7ce0bc283d"
+                }
+            }
+        ]
+    },
+    {
+        "name": "Exchange",
+        "version": "2.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x4f833a24e1f95d70f028921e27040ca56e09ab0b",
+                    "3": "0x4530c0483a1633c7a1c97d2c53721caff2caaaaf",
+                    "42": "0x35dd2932454449b14cee11a94d3674a936d5d7b2"
+                }
+            }
+        ]
+    },
+    {
+        "name": "ERC20Proxy",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x2240dab907db71e64d3e0dba4800c83b5c502d4e",
+                    "3": "0xb1408f4c245a23c31b98d2c626777d4c0d766caa",
+                    "42": "0xf1ec01d6236d3cd881a0bf0130ea25fe4234003e"
+                }
+            }
+        ]
+    },
+    {
+        "name": "ERC721Proxy",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x208e41fb445f1bb1b6780d58356e81405f3e6127",
+                    "3": "0xe654aac058bfbf9f83fcaee7793311dd82f6ddb4",
+                    "42": "0x2a9127c745688a165106c11cd4d647d2220af821"
+                }
+            }
+        ]
+    },
+    {
+        "name": "AssetProxyOwner",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v2 deploy",
+                "networks": {
+                    "1": "0x17992e4ffb22730138e4b62aaa6367fa9d3699a6",
+                    "3": "0xf5fa5b5fed2727a0e44ac67f6772e97977aa358b",
+                    "42": "0x2c824d2882baa668e0d5202b1e7f2922278703f8"
+                }
+            }
+        ]
+    },
+    {
+        "name": "ZRXToken",
+        "version": "1.0.0",
+        "changes": [
+            {
+                "note": "protocol v1 deploy",
+                "networks": {
+                    "1": "0xe41d2489571d322189246dafa5ebde1f4699f498",
+                    "3": "0xff67881f8d12f372d91baae9752eb3631ff0ed00",
+                    "42": "0x2002d3812f58e35f0ea1ffbf80a75a38c32175fa"
+                }
+            }
+        ]
+    }
+]
diff --git a/packages/contracts/README.md b/packages/contracts/README.md
index 5aedb249f..97a2816ff 100644
--- a/packages/contracts/README.md
+++ b/packages/contracts/README.md
@@ -1,6 +1,6 @@
 ## Contracts
 
-Smart contracts that implement the 0x protocol. Addresses of the deployed contracts can be found [here](https://0xproject.com/wiki#Deployed-Addresses).
+Smart contracts that implement the 0x protocol. Addresses of the deployed contracts can be found in the 0x [wiki](https://0xproject.com/wiki#Deployed-Addresses) or the [CHANGELOG](./CHANGELOG.json) of this package.
 
 ## Usage
 
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index bf9bb4826..3e08ea2c4 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "contracts",
-    "version": "2.1.51",
+    "version": "2.1.52",
     "engines": {
         "node": ">=6.12"
     },
@@ -46,10 +46,10 @@
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/contracts/README.md",
     "devDependencies": {
         "@0x/abi-gen": "^1.0.15",
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/sol-compiler": "^1.1.9",
-        "@0x/sol-cov": "^2.1.9",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/sol-compiler": "^1.1.10",
+        "@0x/sol-cov": "^2.1.10",
+        "@0x/subproviders": "^2.1.2",
         "@0x/tslint-config": "^1.0.10",
         "@types/bn.js": "^4.11.0",
         "@types/ethereumjs-abi": "^0.6.0",
@@ -71,12 +71,12 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.3",
-        "@0x/order-utils": "^2.0.1",
+        "@0x/base-contract": "^3.0.4",
+        "@0x/order-utils": "^3.0.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/js-combinatorics": "^0.5.29",
         "bn.js": "^4.11.8",
         "ethereum-types": "^1.1.2",
diff --git a/packages/contracts/test/utils/exchange_wrapper.ts b/packages/contracts/test/utils/exchange_wrapper.ts
index 29dba690a..c28989d3f 100644
--- a/packages/contracts/test/utils/exchange_wrapper.ts
+++ b/packages/contracts/test/utils/exchange_wrapper.ts
@@ -212,13 +212,17 @@ export class ExchangeWrapper {
         return tx;
     }
     public async getTakerAssetFilledAmountAsync(orderHashHex: string): Promise<BigNumber> {
-        const filledAmount = new BigNumber(await this._exchange.filled.callAsync(orderHashHex));
+        const filledAmount = await this._exchange.filled.callAsync(orderHashHex);
         return filledAmount;
     }
     public async isCancelledAsync(orderHashHex: string): Promise<boolean> {
         const isCancelled = await this._exchange.cancelled.callAsync(orderHashHex);
         return isCancelled;
     }
+    public async getOrderEpochAsync(makerAddress: string, senderAddress: string): Promise<BigNumber> {
+        const orderEpoch = await this._exchange.orderEpoch.callAsync(makerAddress, senderAddress);
+        return orderEpoch;
+    }
     public async getOrderInfoAsync(signedOrder: SignedOrder): Promise<OrderInfo> {
         const orderInfo = (await this._exchange.getOrderInfo.callAsync(signedOrder)) as OrderInfo;
         return orderInfo;
diff --git a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
index 81bb33318..8046771f9 100644
--- a/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
+++ b/packages/contracts/test/utils/fill_order_combinatorial_utils.ts
@@ -392,7 +392,7 @@ export class FillOrderCombinatorialUtils {
         );
 
         // 5. If I fill it by X, what are the resulting balances/allowances/filled amounts expected?
-        const orderValidationUtils = new OrderValidationUtils(orderFilledCancelledFetcher);
+        const orderValidationUtils = new OrderValidationUtils(orderFilledCancelledFetcher, provider);
         const lazyStore = new BalanceAndProxyAllowanceLazyStore(balanceAndProxyAllowanceFetcher);
         const exchangeTransferSimulator = new ExchangeTransferSimulator(lazyStore);
 
diff --git a/packages/contracts/test/utils/simple_order_filled_cancelled_fetcher.ts b/packages/contracts/test/utils/simple_order_filled_cancelled_fetcher.ts
index 5f5575c7b..af959e00e 100644
--- a/packages/contracts/test/utils/simple_order_filled_cancelled_fetcher.ts
+++ b/packages/contracts/test/utils/simple_order_filled_cancelled_fetcher.ts
@@ -1,4 +1,5 @@
-import { AbstractOrderFilledCancelledFetcher } from '@0x/order-utils';
+import { AbstractOrderFilledCancelledFetcher, orderHashUtils } from '@0x/order-utils';
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 
 import { ExchangeWrapper } from './exchange_wrapper';
@@ -14,9 +15,15 @@ export class SimpleOrderFilledCancelledFetcher implements AbstractOrderFilledCan
         const filledTakerAmount = new BigNumber(await this._exchangeWrapper.getTakerAssetFilledAmountAsync(orderHash));
         return filledTakerAmount;
     }
-    public async isOrderCancelledAsync(orderHash: string): Promise<boolean> {
+    public async isOrderCancelledAsync(signedOrder: SignedOrder): Promise<boolean> {
+        const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
         const isCancelled = await this._exchangeWrapper.isCancelledAsync(orderHash);
-        return isCancelled;
+        const orderEpoch = await this._exchangeWrapper.getOrderEpochAsync(
+            signedOrder.makerAddress,
+            signedOrder.senderAddress,
+        );
+        const isCancelledByOrderEpoch = orderEpoch > signedOrder.salt;
+        return isCancelled || isCancelledByOrderEpoch;
     }
     public getZRXAssetData(): string {
         return this._zrxAssetData;
diff --git a/packages/dev-tools-pages/package.json b/packages/dev-tools-pages/package.json
index b1b89ac99..7dba0f5dc 100644
--- a/packages/dev-tools-pages/package.json
+++ b/packages/dev-tools-pages/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/dev-tools-pages",
-    "version": "0.0.3",
+    "version": "0.0.4",
     "engines": {
         "node": ">=6.12"
     },
@@ -16,7 +16,7 @@
     },
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/react-shared": "^1.0.18",
+        "@0x/react-shared": "^1.0.19",
         "basscss": "^8.0.3",
         "bowser": "^1.9.3",
         "less": "^2.7.2",
diff --git a/packages/dev-utils/CHANGELOG.json b/packages/dev-utils/CHANGELOG.json
index 269cdc934..f526f6b3e 100644
--- a/packages/dev-utils/CHANGELOG.json
+++ b/packages/dev-utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.15",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.14",
         "changes": [
             {
diff --git a/packages/dev-utils/CHANGELOG.md b/packages/dev-utils/CHANGELOG.md
index ee614a904..4e364f96a 100644
--- a/packages/dev-utils/CHANGELOG.md
+++ b/packages/dev-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.15 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.14 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index e1b3201d3..a4d2381bd 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/dev-utils",
-    "version": "1.0.14",
+    "version": "1.0.15",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,11 +41,11 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/subproviders": "^2.1.1",
+        "@0x/subproviders": "^2.1.2",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/web3-provider-engine": "^14.0.0",
         "chai": "^4.0.1",
         "ethereum-types": "^1.1.2",
diff --git a/packages/fill-scenarios/CHANGELOG.json b/packages/fill-scenarios/CHANGELOG.json
index 8aa4e78d3..bd6e58334 100644
--- a/packages/fill-scenarios/CHANGELOG.json
+++ b/packages/fill-scenarios/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.9",
         "changes": [
             {
diff --git a/packages/fill-scenarios/CHANGELOG.md b/packages/fill-scenarios/CHANGELOG.md
index 4ff28f82f..57a6431b6 100644
--- a/packages/fill-scenarios/CHANGELOG.md
+++ b/packages/fill-scenarios/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.10 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.9 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/fill-scenarios/package.json b/packages/fill-scenarios/package.json
index e9ca077fb..20825b6dd 100644
--- a/packages/fill-scenarios/package.json
+++ b/packages/fill-scenarios/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/fill-scenarios",
-    "version": "1.0.9",
+    "version": "1.0.10",
     "description": "0x order fill scenario generator",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -28,14 +28,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^1.0.2",
-        "@0x/base-contract": "^3.0.3",
+        "@0x/abi-gen-wrappers": "^1.0.3",
+        "@0x/base-contract": "^3.0.4",
         "@0x/contract-artifacts": "^1.1.0",
-        "@0x/order-utils": "^2.0.1",
+        "@0x/order-utils": "^3.0.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "ethereum-types": "^1.1.2",
         "ethers": "~4.0.4",
         "lodash": "^4.17.5"
diff --git a/packages/instant/package.json b/packages/instant/package.json
index 3c87743c1..4ec9e9bd3 100644
--- a/packages/instant/package.json
+++ b/packages/instant/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/instant",
-    "version": "0.0.4",
+    "version": "0.0.5",
     "engines": {
         "node": ">=6.12"
     },
@@ -45,15 +45,15 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/instant/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/asset-buyer": "^2.2.0",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/asset-buyer": "^2.2.1",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
+        "@0x/subproviders": "^2.1.2",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "copy-to-clipboard": "^3.0.8",
         "ethereum-types": "^1.1.2",
         "lodash": "^4.17.10",
diff --git a/packages/json-schemas/CHANGELOG.json b/packages/json-schemas/CHANGELOG.json
index f25a487b8..24eacd192 100644
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@@ -1,14 +1,18 @@
 [
     {
-        "version": "2.0.1",
+        "version": "2.1.0",
         "changes": [
             {
                 "note":
                     "Improve schemas by enforcing that amounts that must be whole numbers (e.g Order asset amounts) no longer allow decimal amounts",
                 "pr": 1173
+            },
+            {
+                "note": "Add schemas from @0x/connect",
+                "pr": 1250
             }
         ],
-        "timestamp": 1541740904
+        "timestamp": 1542028948
     },
     {
         "version": "2.0.0",
diff --git a/packages/json-schemas/CHANGELOG.md b/packages/json-schemas/CHANGELOG.md
index a1c784640..4f77d3aee 100644
--- a/packages/json-schemas/CHANGELOG.md
+++ b/packages/json-schemas/CHANGELOG.md
@@ -5,9 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v2.0.1 - _November 9, 2018_
+## v2.1.0 - _November 12, 2018_
 
     * Improve schemas by enforcing that amounts that must be whole numbers (e.g Order asset amounts) no longer allow decimal amounts (#1173)
+    * Add schemas from @0x/connect (#1250)
 
 ## v2.0.0 - _October 18, 2018_
 
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index c87cbb65a..2f57f5097 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/json-schemas",
-    "version": "2.0.1",
+    "version": "2.1.0",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/json-schemas/schemas/asset_pairs_request_opts_schema.json b/packages/json-schemas/schemas/asset_pairs_request_opts_schema.json
new file mode 100644
index 000000000..174a8fdc3
--- /dev/null
+++ b/packages/json-schemas/schemas/asset_pairs_request_opts_schema.json
@@ -0,0 +1,8 @@
+{
+    "id": "/AssetPairsRequestOpts",
+    "type": "object",
+    "properties": {
+        "assetDataA": { "$ref": "/hexSchema" },
+        "assetDataB": { "$ref": "/hexSchema" }
+    }
+}
diff --git a/packages/json-schemas/schemas/order_config_request_schema.json b/packages/json-schemas/schemas/order_config_request_schema.json
new file mode 100644
index 000000000..ca9b2e30e
--- /dev/null
+++ b/packages/json-schemas/schemas/order_config_request_schema.json
@@ -0,0 +1,24 @@
+{
+    "id": "/OrderConfigRequest",
+    "type": "object",
+    "properties": {
+        "makerAddress": { "$ref": "/addressSchema" },
+        "takerAddress": { "$ref": "/addressSchema" },
+        "makerAssetAmount": { "$ref": "/wholeNumberSchema" },
+        "takerAssetAmount": { "$ref": "/wholeNumberSchema" },
+        "makerAssetData": { "$ref": "/hexSchema" },
+        "takerAssetData": { "$ref": "/hexSchema" },
+        "exchangeAddress": { "$ref": "/addressSchema" },
+        "expirationTimeSeconds": { "$ref": "/wholeNumberSchema" }
+    },
+    "required": [
+        "makerAddress",
+        "takerAddress",
+        "makerAssetAmount",
+        "takerAssetAmount",
+        "makerAssetData",
+        "takerAssetData",
+        "exchangeAddress",
+        "expirationTimeSeconds"
+    ]
+}
diff --git a/packages/json-schemas/schemas/orderbook_request_schema.json b/packages/json-schemas/schemas/orderbook_request_schema.json
new file mode 100644
index 000000000..27848bdcb
--- /dev/null
+++ b/packages/json-schemas/schemas/orderbook_request_schema.json
@@ -0,0 +1,9 @@
+{
+    "id": "/OrderBookRequest",
+    "type": "object",
+    "properties": {
+        "baseAssetData": { "$ref": "/hexSchema" },
+        "quoteAssetData": { "$ref": "/hexSchema" }
+    },
+    "required": ["baseAssetData", "quoteAssetData"]
+}
\ No newline at end of file
diff --git a/packages/json-schemas/schemas/orders_request_opts_schema.json b/packages/json-schemas/schemas/orders_request_opts_schema.json
new file mode 100644
index 000000000..10da51060
--- /dev/null
+++ b/packages/json-schemas/schemas/orders_request_opts_schema.json
@@ -0,0 +1,19 @@
+{
+    "id": "/OrdersRequestOpts",
+    "type": "object",
+    "properties": {
+        "makerAssetProxyId": { "$ref": "/hexSchema" },
+        "takerAssetProxyId": { "$ref": "/hexSchema" },
+        "makerAssetAddress": { "$ref": "/addressSchema" },
+        "takerAssetAddress": { "$ref": "/addressSchema" },
+        "exchangeAddress": { "$ref": "/addressSchema" },
+        "senderAddress": { "$ref": "/addressSchema" },
+        "makerAssetData": { "$ref": "/hexSchema" },
+        "takerAssetData": { "$ref": "/hexSchema" },
+        "traderAssetData": { "$ref": "/hexSchema" },
+        "makerAddress": { "$ref": "/addressSchema" },
+        "takerAddress": { "$ref": "/addressSchema" },
+        "traderAddress": { "$ref": "/addressSchema" },
+        "feeRecipientAddress": { "$ref": "/addressSchema" }
+    }
+}
diff --git a/packages/json-schemas/schemas/paged_request_opts_schema.json b/packages/json-schemas/schemas/paged_request_opts_schema.json
new file mode 100644
index 000000000..7cfc73947
--- /dev/null
+++ b/packages/json-schemas/schemas/paged_request_opts_schema.json
@@ -0,0 +1,8 @@
+{
+    "id": "/PagedRequestOpts",
+    "type": "object",
+    "properties": {
+        "page": { "type": "number" },
+        "perPage": { "type": "number" }
+    }
+}
diff --git a/packages/json-schemas/schemas/request_opts_schema.json b/packages/json-schemas/schemas/request_opts_schema.json
new file mode 100644
index 000000000..b50547d18
--- /dev/null
+++ b/packages/json-schemas/schemas/request_opts_schema.json
@@ -0,0 +1,7 @@
+{
+    "id": "/RequestOpts",
+    "type": "object",
+    "properties": {
+        "networkId": { "type": "number" }
+    }
+}
diff --git a/packages/json-schemas/src/schemas.ts b/packages/json-schemas/src/schemas.ts
index 8ece5de75..21a6f424c 100644
--- a/packages/json-schemas/src/schemas.ts
+++ b/packages/json-schemas/src/schemas.ts
@@ -1,4 +1,5 @@
 import * as addressSchema from '../schemas/address_schema.json';
+import * as assetPairsRequestOptsSchema from '../schemas/asset_pairs_request_opts_schema.json';
 import * as blockParamSchema from '../schemas/block_param_schema.json';
 import * as blockRangeSchema from '../schemas/block_range_schema.json';
 import * as callDataSchema from '../schemas/call_data_schema.json';
@@ -10,11 +11,15 @@ import * as indexFilterValuesSchema from '../schemas/index_filter_values_schema.
 import * as jsNumber from '../schemas/js_number.json';
 import * as numberSchema from '../schemas/number_schema.json';
 import * as orderCancellationRequestsSchema from '../schemas/order_cancel_schema.json';
+import * as orderConfigRequestSchema from '../schemas/order_config_request_schema.json';
 import * as orderFillOrKillRequestsSchema from '../schemas/order_fill_or_kill_requests_schema.json';
 import * as orderFillRequestsSchema from '../schemas/order_fill_requests_schema.json';
 import * as orderHashSchema from '../schemas/order_hash_schema.json';
 import * as orderSchema from '../schemas/order_schema.json';
+import * as orderBookRequestSchema from '../schemas/orderbook_request_schema.json';
+import * as ordersRequestOptsSchema from '../schemas/orders_request_opts_schema.json';
 import * as ordersSchema from '../schemas/orders_schema.json';
+import * as pagedRequestOptsSchema from '../schemas/paged_request_opts_schema.json';
 import * as paginatedCollectionSchema from '../schemas/paginated_collection_schema.json';
 import * as relayerApiAssetDataPairsResponseSchema from '../schemas/relayer_api_asset_data_pairs_response_schema.json';
 import * as relayerApiAssetDataPairsSchema from '../schemas/relayer_api_asset_data_pairs_schema.json';
@@ -30,6 +35,7 @@ import * as relayerApiOrdersChannelSubscribeSchema from '../schemas/relayer_api_
 import * as relayerApiOrdersChannelUpdateSchema from '../schemas/relayer_api_orders_channel_update_response_schema.json';
 import * as relayerApiOrdersResponseSchema from '../schemas/relayer_api_orders_response_schema.json';
 import * as relayerApiOrdersSchema from '../schemas/relayer_api_orders_schema.json';
+import * as requestOptsSchema from '../schemas/request_opts_schema.json';
 import * as signedOrderSchema from '../schemas/signed_order_schema.json';
 import * as signedOrdersSchema from '../schemas/signed_orders_schema.json';
 import * as tokenSchema from '../schemas/token_schema.json';
@@ -58,6 +64,12 @@ export const schemas = {
     blockRangeSchema,
     tokenSchema,
     jsNumber,
+    requestOptsSchema,
+    pagedRequestOptsSchema,
+    ordersRequestOptsSchema,
+    orderBookRequestSchema,
+    orderConfigRequestSchema,
+    assetPairsRequestOptsSchema,
     txDataSchema,
     paginatedCollectionSchema,
     relayerApiErrorResponseSchema,
diff --git a/packages/json-schemas/tsconfig.json b/packages/json-schemas/tsconfig.json
index 7b14166c0..a79d54385 100644
--- a/packages/json-schemas/tsconfig.json
+++ b/packages/json-schemas/tsconfig.json
@@ -44,6 +44,12 @@
         "./schemas/zero_ex_transaction_schema.json",
         "./schemas/tx_data_schema.json",
         "./schemas/index_filter_values_schema.json",
-        "./schemas/whole_number_schema.json"
+        "./schemas/whole_number_schema.json",
+        "./schemas/asset_pairs_request_opts_schema.json",
+        "./schemas/orderbook_request_schema.json",
+        "./schemas/orders_request_opts_schema.json",
+        "./schemas/paged_request_opts_schema.json",
+        "./schemas/request_opts_schema.json",
+        "./schemas/order_config_request_schema.json"
     ]
 }
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index 35a0834f2..250730d26 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/metacoin",
-    "version": "0.0.25",
+    "version": "0.0.26",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,14 +30,14 @@
     "license": "Apache-2.0",
     "dependencies": {
         "@0x/abi-gen": "^1.0.15",
-        "@0x/base-contract": "^3.0.3",
-        "@0x/sol-cov": "^2.1.9",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/base-contract": "^3.0.4",
+        "@0x/sol-cov": "^2.1.10",
+        "@0x/subproviders": "^2.1.2",
         "@0x/tslint-config": "^1.0.10",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/mocha": "^5.2.2",
         "copyfiles": "^2.0.0",
         "ethereum-types": "^1.1.2",
@@ -46,8 +46,8 @@
         "run-s": "^0.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/sol-compiler": "^1.1.9",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/sol-compiler": "^1.1.10",
         "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 b7128f8e1..f57139f40 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "2.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.0.1",
         "changes": [
             {
diff --git a/packages/migrations/CHANGELOG.md b/packages/migrations/CHANGELOG.md
index 387ae0abb..56c26a472 100644
--- a/packages/migrations/CHANGELOG.md
+++ b/packages/migrations/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.0.1 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index d8c5fb6c2..cbab964d5 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/migrations",
-    "version": "2.0.1",
+    "version": "2.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -17,7 +17,7 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
+        "@0x/dev-utils": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "@0x/types": "^1.2.1",
         "@types/yargs": "^10.0.0",
@@ -29,16 +29,16 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^1.0.2",
-        "@0x/base-contract": "^3.0.3",
+        "@0x/abi-gen-wrappers": "^1.0.3",
+        "@0x/base-contract": "^3.0.4",
         "@0x/contract-addresses": "^1.1.0",
         "@0x/contract-artifacts": "^1.1.0",
-        "@0x/order-utils": "^2.0.1",
-        "@0x/sol-compiler": "^1.1.9",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/order-utils": "^3.0.0",
+        "@0x/sol-compiler": "^1.1.10",
+        "@0x/subproviders": "^2.1.2",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@ledgerhq/hw-app-eth": "^4.3.0",
         "ethereum-types": "^1.1.2",
         "ethers": "~4.0.4",
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index abcf3d392..6ce3169d5 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -1,5 +1,31 @@
 [
     {
+        "version": "3.0.0",
+        "changes": [
+            {
+                "note":
+                    "Add signature validation, regular cancellation and `cancelledUpTo` checks to `validateOrderFillableOrThrowAsync`",
+                "pr": 1235
+            },
+            {
+                "note":
+                    "Improved the errors thrown by `validateOrderFillableOrThrowAsync` by making them more descriptive",
+                "pr": 1235
+            },
+            {
+                "note":
+                    "Throw previously swallowed network errors when calling `validateOrderFillableOrThrowAsync` (see issue: #1218)",
+                "pr": 1235
+            },
+            {
+                "note":
+                    "Modified the `AbstractOrderFilledCancelledFetcher` interface slightly such that `isOrderCancelledAsync` accepts a `signedOrder` instead of an `orderHash` param",
+                "pr": 1235
+            }
+        ],
+        "timestamp": 1542028948
+    },
+    {
         "version": "2.0.1",
         "changes": [
             {
diff --git a/packages/order-utils/CHANGELOG.md b/packages/order-utils/CHANGELOG.md
index 31bd02595..eaa74d6ce 100644
--- a/packages/order-utils/CHANGELOG.md
+++ b/packages/order-utils/CHANGELOG.md
@@ -5,6 +5,13 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _November 12, 2018_
+
+    * Add signature validation, regular cancellation and `cancelledUpTo` checks to `validateOrderFillableOrThrowAsync` (#1235)
+    * Improved the errors thrown by `validateOrderFillableOrThrowAsync` by making them more descriptive (#1235)
+    * Throw previously swallowed network errors when calling `validateOrderFillableOrThrowAsync` (see issue: #1218) (#1235)
+    * Modified the `AbstractOrderFilledCancelledFetcher` interface slightly such that `isOrderCancelledAsync` accepts a `signedOrder` instead of an `orderHash` param (#1235)
+
 ## v2.0.1 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index d6fb9892e..060150f96 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-utils",
-    "version": "2.0.1",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -35,7 +35,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/order-utils/README.md",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
+        "@0x/dev-utils": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "@types/bn.js": "^4.11.0",
         "@types/lodash": "4.14.104",
@@ -53,15 +53,15 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^1.0.2",
-        "@0x/assert": "^1.0.15",
-        "@0x/base-contract": "^3.0.3",
+        "@0x/abi-gen-wrappers": "^1.0.3",
+        "@0x/assert": "^1.0.16",
+        "@0x/base-contract": "^3.0.4",
         "@0x/contract-artifacts": "^1.1.0",
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/json-schemas": "^2.1.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/node": "*",
         "bn.js": "^4.11.8",
         "ethereum-types": "^1.1.2",
diff --git a/packages/order-utils/src/abstract/abstract_order_filled_cancelled_fetcher.ts b/packages/order-utils/src/abstract/abstract_order_filled_cancelled_fetcher.ts
index de096b7d9..9e240f9ef 100644
--- a/packages/order-utils/src/abstract/abstract_order_filled_cancelled_fetcher.ts
+++ b/packages/order-utils/src/abstract/abstract_order_filled_cancelled_fetcher.ts
@@ -1,3 +1,4 @@
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 
 /**
@@ -17,6 +18,6 @@ export abstract class AbstractOrderFilledCancelledFetcher {
      * @param orderHash OrderHash of order we are interested in
      * @return Whether or not the order is cancelled
      */
-    public abstract async isOrderCancelledAsync(orderHash: string): Promise<boolean>;
+    public abstract async isOrderCancelledAsync(signedOrder: SignedOrder): Promise<boolean>;
     public abstract getZRXAssetData(): string;
 }
diff --git a/packages/order-utils/src/abstract/abstract_order_filled_cancelled_lazy_store.ts b/packages/order-utils/src/abstract/abstract_order_filled_cancelled_lazy_store.ts
index d9e66db06..186521401 100644
--- a/packages/order-utils/src/abstract/abstract_order_filled_cancelled_lazy_store.ts
+++ b/packages/order-utils/src/abstract/abstract_order_filled_cancelled_lazy_store.ts
@@ -1,8 +1,9 @@
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 
 export abstract class AbstractOrderFilledCancelledLazyStore {
     public abstract async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber>;
-    public abstract async getIsCancelledAsync(orderHash: string): Promise<boolean>;
+    public abstract async getIsCancelledAsync(signedOrder: SignedOrder): Promise<boolean>;
     public abstract setFilledTakerAmount(orderHash: string, balance: BigNumber): void;
     public abstract deleteFilledTakerAmount(orderHash: string): void;
     public abstract setIsCancelled(orderHash: string, isCancelled: boolean): void;
diff --git a/packages/order-utils/src/order_state_utils.ts b/packages/order-utils/src/order_state_utils.ts
index 159aeeb09..fe0d6c773 100644
--- a/packages/order-utils/src/order_state_utils.ts
+++ b/packages/order-utils/src/order_state_utils.ts
@@ -117,7 +117,7 @@ export class OrderStateUtils {
     public async getOpenOrderStateAsync(signedOrder: SignedOrder, transactionHash?: string): Promise<OrderState> {
         const orderRelevantState = await this.getOpenOrderRelevantStateAsync(signedOrder);
         const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
-        const isOrderCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(orderHash);
+        const isOrderCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(signedOrder);
         const sidedOrderRelevantState = {
             isMakerSide: true,
             traderBalance: orderRelevantState.makerBalance,
@@ -256,7 +256,7 @@ export class OrderStateUtils {
         const filledTakerAssetAmount = await this._orderFilledCancelledFetcher.getFilledTakerAmountAsync(orderHash);
         const totalMakerAssetAmount = signedOrder.makerAssetAmount;
         const totalTakerAssetAmount = signedOrder.takerAssetAmount;
-        const isOrderCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(orderHash);
+        const isOrderCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(signedOrder);
         const remainingTakerAssetAmount = isOrderCancelled
             ? new BigNumber(0)
             : totalTakerAssetAmount.minus(filledTakerAssetAmount);
diff --git a/packages/order-utils/src/order_validation_utils.ts b/packages/order-utils/src/order_validation_utils.ts
index a40069f63..ae4291ea8 100644
--- a/packages/order-utils/src/order_validation_utils.ts
+++ b/packages/order-utils/src/order_validation_utils.ts
@@ -1,4 +1,4 @@
-import { RevertReason, SignedOrder } from '@0x/types';
+import { ExchangeContractErrs, RevertReason, SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import { Provider } from 'ethereum-types';
 import * as _ from 'lodash';
@@ -17,6 +17,7 @@ import { utils } from './utils';
  */
 export class OrderValidationUtils {
     private readonly _orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher;
+    private readonly _provider: Provider;
     /**
      * A Typescript implementation mirroring the implementation of isRoundingError in the
      * Exchange smart contract
@@ -57,65 +58,53 @@ export class OrderValidationUtils {
         senderAddress: string,
         zrxAssetData: string,
     ): Promise<void> {
-        try {
-            const fillMakerTokenAmount = utils.getPartialAmountFloor(
-                fillTakerAssetAmount,
-                signedOrder.takerAssetAmount,
-                signedOrder.makerAssetAmount,
-            );
-            await exchangeTradeEmulator.transferFromAsync(
-                signedOrder.makerAssetData,
-                signedOrder.makerAddress,
-                senderAddress,
-                fillMakerTokenAmount,
-                TradeSide.Maker,
-                TransferType.Trade,
-            );
-            await exchangeTradeEmulator.transferFromAsync(
-                signedOrder.takerAssetData,
-                senderAddress,
-                signedOrder.makerAddress,
-                fillTakerAssetAmount,
-                TradeSide.Taker,
-                TransferType.Trade,
-            );
-            const makerFeeAmount = utils.getPartialAmountFloor(
-                fillTakerAssetAmount,
-                signedOrder.takerAssetAmount,
-                signedOrder.makerFee,
-            );
-            await exchangeTradeEmulator.transferFromAsync(
-                zrxAssetData,
-                signedOrder.makerAddress,
-                signedOrder.feeRecipientAddress,
-                makerFeeAmount,
-                TradeSide.Maker,
-                TransferType.Fee,
-            );
-            const takerFeeAmount = utils.getPartialAmountFloor(
-                fillTakerAssetAmount,
-                signedOrder.takerAssetAmount,
-                signedOrder.takerFee,
-            );
-            await exchangeTradeEmulator.transferFromAsync(
-                zrxAssetData,
-                senderAddress,
-                signedOrder.feeRecipientAddress,
-                takerFeeAmount,
-                TradeSide.Taker,
-                TransferType.Fee,
-            );
-        } catch (err) {
-            throw new Error(RevertReason.TransferFailed);
-        }
-    }
-    private static _validateRemainingFillAmountNotZeroOrThrow(
-        takerAssetAmount: BigNumber,
-        filledTakerTokenAmount: BigNumber,
-    ): void {
-        if (takerAssetAmount.eq(filledTakerTokenAmount)) {
-            throw new Error(RevertReason.OrderUnfillable);
-        }
+        const fillMakerTokenAmount = utils.getPartialAmountFloor(
+            fillTakerAssetAmount,
+            signedOrder.takerAssetAmount,
+            signedOrder.makerAssetAmount,
+        );
+        await exchangeTradeEmulator.transferFromAsync(
+            signedOrder.makerAssetData,
+            signedOrder.makerAddress,
+            senderAddress,
+            fillMakerTokenAmount,
+            TradeSide.Maker,
+            TransferType.Trade,
+        );
+        await exchangeTradeEmulator.transferFromAsync(
+            signedOrder.takerAssetData,
+            senderAddress,
+            signedOrder.makerAddress,
+            fillTakerAssetAmount,
+            TradeSide.Taker,
+            TransferType.Trade,
+        );
+        const makerFeeAmount = utils.getPartialAmountFloor(
+            fillTakerAssetAmount,
+            signedOrder.takerAssetAmount,
+            signedOrder.makerFee,
+        );
+        await exchangeTradeEmulator.transferFromAsync(
+            zrxAssetData,
+            signedOrder.makerAddress,
+            signedOrder.feeRecipientAddress,
+            makerFeeAmount,
+            TradeSide.Maker,
+            TransferType.Fee,
+        );
+        const takerFeeAmount = utils.getPartialAmountFloor(
+            fillTakerAssetAmount,
+            signedOrder.takerAssetAmount,
+            signedOrder.takerFee,
+        );
+        await exchangeTradeEmulator.transferFromAsync(
+            zrxAssetData,
+            senderAddress,
+            signedOrder.feeRecipientAddress,
+            takerFeeAmount,
+            TradeSide.Taker,
+            TransferType.Fee,
+        );
     }
     private static _validateOrderNotExpiredOrThrow(expirationTimeSeconds: BigNumber): void {
         const currentUnixTimestampSec = utils.getCurrentUnixTimestampSec();
@@ -128,9 +117,13 @@ export class OrderValidationUtils {
      * @param orderFilledCancelledFetcher A module that implements the AbstractOrderFilledCancelledFetcher
      * @return An instance of OrderValidationUtils
      */
-    constructor(orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher) {
+    constructor(orderFilledCancelledFetcher: AbstractOrderFilledCancelledFetcher, provider: Provider) {
         this._orderFilledCancelledFetcher = orderFilledCancelledFetcher;
+        this._provider = provider;
     }
+    // TODO(fabio): remove this method once the smart contracts have been refactored
+    // to return helpful revert reasons instead of ORDER_UNFILLABLE. Instruct devs
+    // to make "calls" to validate order fillability + getOrderInfo for fillable amount.
     /**
      * Validate if the supplied order is fillable, and throw if it isn't
      * @param exchangeTradeEmulator ExchangeTradeEmulator instance
@@ -146,12 +139,29 @@ export class OrderValidationUtils {
         expectedFillTakerTokenAmount?: BigNumber,
     ): Promise<void> {
         const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
-        const filledTakerTokenAmount = await this._orderFilledCancelledFetcher.getFilledTakerAmountAsync(orderHash);
-        OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
-            signedOrder.takerAssetAmount,
-            filledTakerTokenAmount,
+        const isValidSignature = await signatureUtils.isValidSignatureAsync(
+            this._provider,
+            orderHash,
+            signedOrder.signature,
+            signedOrder.makerAddress,
         );
-        OrderValidationUtils._validateOrderNotExpiredOrThrow(signedOrder.expirationTimeSeconds);
+        if (!isValidSignature) {
+            throw new Error(RevertReason.InvalidOrderSignature);
+        }
+
+        const isCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(signedOrder);
+        if (isCancelled) {
+            throw new Error('CANCELLED');
+        }
+        const filledTakerTokenAmount = await this._orderFilledCancelledFetcher.getFilledTakerAmountAsync(orderHash);
+        if (signedOrder.takerAssetAmount.eq(filledTakerTokenAmount)) {
+            throw new Error('FULLY_FILLED');
+        }
+        try {
+            OrderValidationUtils._validateOrderNotExpiredOrThrow(signedOrder.expirationTimeSeconds);
+        } catch (err) {
+            throw new Error('EXPIRED');
+        }
         let fillTakerAssetAmount = signedOrder.takerAssetAmount.minus(filledTakerTokenAmount);
         if (!_.isUndefined(expectedFillTakerTokenAmount)) {
             fillTakerAssetAmount = expectedFillTakerTokenAmount;
@@ -198,10 +208,9 @@ export class OrderValidationUtils {
             throw new Error(OrderError.InvalidSignature);
         }
         const filledTakerTokenAmount = await this._orderFilledCancelledFetcher.getFilledTakerAmountAsync(orderHash);
-        OrderValidationUtils._validateRemainingFillAmountNotZeroOrThrow(
-            signedOrder.takerAssetAmount,
-            filledTakerTokenAmount,
-        );
+        if (signedOrder.takerAssetAmount.eq(filledTakerTokenAmount)) {
+            throw new Error(RevertReason.OrderUnfillable);
+        }
         if (signedOrder.takerAddress !== constants.NULL_ADDRESS && signedOrder.takerAddress !== takerAddress) {
             throw new Error(RevertReason.InvalidTaker);
         }
@@ -210,13 +219,30 @@ export class OrderValidationUtils {
         const desiredFillTakerTokenAmount = remainingTakerTokenAmount.lessThan(fillTakerAssetAmount)
             ? remainingTakerTokenAmount
             : fillTakerAssetAmount;
-        await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
-            exchangeTradeEmulator,
-            signedOrder,
-            desiredFillTakerTokenAmount,
-            takerAddress,
-            zrxAssetData,
-        );
+        try {
+            await OrderValidationUtils.validateFillOrderBalancesAllowancesThrowIfInvalidAsync(
+                exchangeTradeEmulator,
+                signedOrder,
+                desiredFillTakerTokenAmount,
+                takerAddress,
+                zrxAssetData,
+            );
+        } catch (err) {
+            const transferFailedErrorMessages = [
+                ExchangeContractErrs.InsufficientMakerBalance,
+                ExchangeContractErrs.InsufficientMakerFeeBalance,
+                ExchangeContractErrs.InsufficientTakerBalance,
+                ExchangeContractErrs.InsufficientTakerFeeBalance,
+                ExchangeContractErrs.InsufficientMakerAllowance,
+                ExchangeContractErrs.InsufficientMakerFeeAllowance,
+                ExchangeContractErrs.InsufficientTakerAllowance,
+                ExchangeContractErrs.InsufficientTakerFeeAllowance,
+            ];
+            if (_.includes(transferFailedErrorMessages, err.message)) {
+                throw new Error(RevertReason.TransferFailed);
+            }
+            throw err;
+        }
 
         const wouldRoundingErrorOccur = OrderValidationUtils.isRoundingErrorFloor(
             desiredFillTakerTokenAmount,
@@ -228,33 +254,4 @@ export class OrderValidationUtils {
         }
         return filledTakerTokenAmount;
     }
-    /**
-     * Validate a call to fillOrKillOrder and throw if it would fail
-     * @param exchangeTradeEmulator ExchangeTradeEmulator to use
-     * @param provider Web3 provider to use for JSON RPC requests
-     * @param signedOrder SignedOrder of interest
-     * @param fillTakerAssetAmount Amount we'd like to fill the order for
-     * @param takerAddress The taker of the order
-     * @param zrxAssetData ZRX asset data
-     */
-    public async validateFillOrKillOrderThrowIfInvalidAsync(
-        exchangeTradeEmulator: ExchangeTransferSimulator,
-        provider: Provider,
-        signedOrder: SignedOrder,
-        fillTakerAssetAmount: BigNumber,
-        takerAddress: string,
-        zrxAssetData: string,
-    ): Promise<void> {
-        const filledTakerTokenAmount = await this.validateFillOrderThrowIfInvalidAsync(
-            exchangeTradeEmulator,
-            provider,
-            signedOrder,
-            fillTakerAssetAmount,
-            takerAddress,
-            zrxAssetData,
-        );
-        if (filledTakerTokenAmount !== fillTakerAssetAmount) {
-            throw new Error(RevertReason.OrderUnfillable);
-        }
-    }
 }
diff --git a/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts b/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts
index 1d84ffdaa..afd6f1108 100644
--- a/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts
+++ b/packages/order-utils/src/store/order_filled_cancelled_lazy_store.ts
@@ -1,8 +1,10 @@
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 
 import { AbstractOrderFilledCancelledFetcher } from '../abstract/abstract_order_filled_cancelled_fetcher';
 import { AbstractOrderFilledCancelledLazyStore } from '../abstract/abstract_order_filled_cancelled_lazy_store';
+import { orderHashUtils } from '../order_hash';
 
 /**
  * Copy on read store for balances/proxyAllowances of tokens/accounts
@@ -58,9 +60,10 @@ export class OrderFilledCancelledLazyStore implements AbstractOrderFilledCancell
      * @param orderHash OrderHash from order of interest
      * @return Whether the order has been cancelled
      */
-    public async getIsCancelledAsync(orderHash: string): Promise<boolean> {
+    public async getIsCancelledAsync(signedOrder: SignedOrder): Promise<boolean> {
+        const orderHash = orderHashUtils.getOrderHashHex(signedOrder);
         if (_.isUndefined(this._isCancelled[orderHash])) {
-            const isCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(orderHash);
+            const isCancelled = await this._orderFilledCancelledFetcher.isOrderCancelledAsync(signedOrder);
             this.setIsCancelled(orderHash, isCancelled);
         }
         const cachedIsCancelled = this._isCancelled[orderHash]; // tslint:disable-line:boolean-naming
diff --git a/packages/order-utils/test/order_state_utils_test.ts b/packages/order-utils/test/order_state_utils_test.ts
index 39c4c362f..42acd54c6 100644
--- a/packages/order-utils/test/order_state_utils_test.ts
+++ b/packages/order-utils/test/order_state_utils_test.ts
@@ -1,3 +1,4 @@
+import { SignedOrder } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import * as chai from 'chai';
 import 'mocha';
@@ -33,7 +34,7 @@ describe('OrderStateUtils', () => {
                 async getFilledTakerAmountAsync(_orderHash: string): Promise<BigNumber> {
                     return filledAmount;
                 },
-                async isOrderCancelledAsync(_orderHash: string): Promise<boolean> {
+                async isOrderCancelledAsync(_signedOrder: SignedOrder): Promise<boolean> {
                     return cancelled;
                 },
                 getZRXAssetData(): string {
diff --git a/packages/order-watcher/CHANGELOG.json b/packages/order-watcher/CHANGELOG.json
index c662903a3..dbb4824fc 100644
--- a/packages/order-watcher/CHANGELOG.json
+++ b/packages/order-watcher/CHANGELOG.json
@@ -1,5 +1,23 @@
 [
     {
+        "version": "2.2.3",
+        "changes": [
+            {
+                "note": "Start jsonRpcRequestId at 1, not 0 as 0 breaks the web3.js websocket RPC provider",
+                "pr": 1227
+            }
+        ]
+    },
+    {
+        "timestamp": 1542028948,
+        "version": "2.2.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.2.1",
         "changes": [
             {
diff --git a/packages/order-watcher/CHANGELOG.md b/packages/order-watcher/CHANGELOG.md
index b271956c7..1470b0e48 100644
--- a/packages/order-watcher/CHANGELOG.md
+++ b/packages/order-watcher/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.2.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.2.1 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index 174e0a3a6..6bb1ef485 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-watcher",
-    "version": "2.2.1",
+    "version": "2.2.2",
     "description": "An order watcher daemon that watches for order validity",
     "keywords": [
         "0x",
@@ -33,8 +33,8 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/migrations": "^2.0.1",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/migrations": "^2.0.2",
         "@0x/tslint-config": "^1.0.10",
         "@types/bintrees": "^1.0.2",
         "@types/lodash": "4.14.104",
@@ -57,19 +57,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^1.0.2",
-        "@0x/assert": "^1.0.15",
-        "@0x/base-contract": "^3.0.3",
+        "@0x/abi-gen-wrappers": "^1.0.3",
+        "@0x/assert": "^1.0.16",
+        "@0x/base-contract": "^3.0.4",
         "@0x/contract-addresses": "^1.1.0",
         "@0x/contract-artifacts": "^1.1.0",
-        "@0x/contract-wrappers": "^3.0.1",
-        "@0x/fill-scenarios": "^1.0.9",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
+        "@0x/contract-wrappers": "^4.0.0",
+        "@0x/fill-scenarios": "^1.0.10",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "bintrees": "^1.0.2",
         "ethereum-types": "^1.1.2",
         "ethereumjs-blockstream": "6.0.0",
diff --git a/packages/react-docs/CHANGELOG.json b/packages/react-docs/CHANGELOG.json
index 228dfab4f..42de578a6 100644
--- a/packages/react-docs/CHANGELOG.json
+++ b/packages/react-docs/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.16",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.15",
         "changes": [
             {
diff --git a/packages/react-docs/CHANGELOG.md b/packages/react-docs/CHANGELOG.md
index 991b3a490..7f0514ddb 100644
--- a/packages/react-docs/CHANGELOG.md
+++ b/packages/react-docs/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.16 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.15 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index 827a54fdb..fb1d6d78c 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/react-docs",
-    "version": "1.0.15",
+    "version": "1.0.16",
     "engines": {
         "node": ">=6.12"
     },
@@ -24,7 +24,7 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
+        "@0x/dev-utils": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "@types/compare-versions": "^3.0.0",
         "@types/styled-components": "^4.0.0",
@@ -34,7 +34,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/react-shared": "^1.0.18",
+        "@0x/react-shared": "^1.0.19",
         "@0x/types": "^1.2.1",
         "@0x/utils": "^2.0.4",
         "@types/lodash": "4.14.104",
diff --git a/packages/react-shared/CHANGELOG.json b/packages/react-shared/CHANGELOG.json
index 4dd11398b..4394eeb2e 100644
--- a/packages/react-shared/CHANGELOG.json
+++ b/packages/react-shared/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.19",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.18",
         "changes": [
             {
diff --git a/packages/react-shared/CHANGELOG.md b/packages/react-shared/CHANGELOG.md
index 54ca77b16..4104628bc 100644
--- a/packages/react-shared/CHANGELOG.md
+++ b/packages/react-shared/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.19 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.18 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/react-shared/package.json b/packages/react-shared/package.json
index 35a69f105..1336ce2dd 100644
--- a/packages/react-shared/package.json
+++ b/packages/react-shared/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/react-shared",
-    "version": "1.0.18",
+    "version": "1.0.19",
     "engines": {
         "node": ">=6.12"
     },
@@ -25,7 +25,7 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
+        "@0x/dev-utils": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
diff --git a/packages/sol-compiler/CHANGELOG.json b/packages/sol-compiler/CHANGELOG.json
index 724e68a68..b432d9d90 100644
--- a/packages/sol-compiler/CHANGELOG.json
+++ b/packages/sol-compiler/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.1.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.1.9",
         "changes": [
             {
diff --git a/packages/sol-compiler/CHANGELOG.md b/packages/sol-compiler/CHANGELOG.md
index 322313f9e..2e2d810a6 100644
--- a/packages/sol-compiler/CHANGELOG.md
+++ b/packages/sol-compiler/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.1.10 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.1.9 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-compiler/package.json b/packages/sol-compiler/package.json
index 766c789df..7c27dbc19 100644
--- a/packages/sol-compiler/package.json
+++ b/packages/sol-compiler/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-compiler",
-    "version": "1.1.9",
+    "version": "1.1.10",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,7 +42,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-compiler/README.md",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.14",
+        "@0x/dev-utils": "^1.0.15",
         "@0x/tslint-config": "^1.0.10",
         "@types/mkdirp": "^0.5.2",
         "@types/require-from-string": "^1.2.0",
@@ -65,13 +65,13 @@
         "zeppelin-solidity": "1.8.0"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/json-schemas": "^2.1.0",
         "@0x/sol-resolver": "^1.0.16",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/yargs": "^11.0.0",
         "chalk": "^2.3.0",
         "ethereum-types": "^1.1.2",
diff --git a/packages/sol-cov/CHANGELOG.json b/packages/sol-cov/CHANGELOG.json
index e331d608f..83efa8ac7 100644
--- a/packages/sol-cov/CHANGELOG.json
+++ b/packages/sol-cov/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "2.1.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.1.9",
         "changes": [
             {
diff --git a/packages/sol-cov/CHANGELOG.md b/packages/sol-cov/CHANGELOG.md
index e9d9d6952..50ca2d6e2 100644
--- a/packages/sol-cov/CHANGELOG.md
+++ b/packages/sol-cov/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.1.10 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.1.9 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index 34e7a8559..613bce8d3 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-cov",
-    "version": "2.1.9",
+    "version": "2.1.10",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,12 +42,12 @@
     },
     "homepage": "https://github.com/0xProject/0x.js/packages/sol-cov/README.md",
     "dependencies": {
-        "@0x/dev-utils": "^1.0.14",
-        "@0x/sol-compiler": "^1.1.9",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/dev-utils": "^1.0.15",
+        "@0x/sol-compiler": "^1.1.10",
+        "@0x/subproviders": "^2.1.2",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@types/solidity-parser-antlr": "^0.2.0",
         "ethereum-types": "^1.1.2",
         "ethereumjs-util": "^5.1.1",
diff --git a/packages/sol-doc/CHANGELOG.json b/packages/sol-doc/CHANGELOG.json
index d54569a4d..a2e903a24 100644
--- a/packages/sol-doc/CHANGELOG.json
+++ b/packages/sol-doc/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.5",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.4",
         "changes": [
             {
diff --git a/packages/sol-doc/CHANGELOG.md b/packages/sol-doc/CHANGELOG.md
index d44af5d7f..257744b98 100644
--- a/packages/sol-doc/CHANGELOG.md
+++ b/packages/sol-doc/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.5 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.4 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-doc/package.json b/packages/sol-doc/package.json
index 0eb5d6fd5..102911acc 100644
--- a/packages/sol-doc/package.json
+++ b/packages/sol-doc/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-doc",
-    "version": "1.0.4",
+    "version": "1.0.5",
     "description": "Solidity documentation generator",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.js",
@@ -25,7 +25,7 @@
     "author": "F. Eugene Aumson",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/sol-compiler": "^1.1.9",
+        "@0x/sol-compiler": "^1.1.10",
         "@0x/types": "^1.2.1",
         "@0x/utils": "^2.0.4",
         "ethereum-types": "^1.1.2",
diff --git a/packages/sra-spec/CHANGELOG.json b/packages/sra-spec/CHANGELOG.json
index e053b3163..37ad85385 100644
--- a/packages/sra-spec/CHANGELOG.json
+++ b/packages/sra-spec/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.8",
         "changes": [
             {
diff --git a/packages/sra-spec/CHANGELOG.md b/packages/sra-spec/CHANGELOG.md
index 02d22431f..c53ad6b5b 100644
--- a/packages/sra-spec/CHANGELOG.md
+++ b/packages/sra-spec/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/sra-spec/package.json b/packages/sra-spec/package.json
index e3b6ad979..1b7d0ccab 100644
--- a/packages/sra-spec/package.json
+++ b/packages/sra-spec/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sra-spec",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -35,7 +35,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sra-spec/README.md",
     "dependencies": {
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/json-schemas": "^2.1.0",
         "@loopback/openapi-v3-types": "^0.8.2"
     },
     "devDependencies": {
diff --git a/packages/subproviders/CHANGELOG.json b/packages/subproviders/CHANGELOG.json
index 816c776a5..49b1d99d0 100644
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "2.1.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.1.1",
         "changes": [
             {
diff --git a/packages/subproviders/CHANGELOG.md b/packages/subproviders/CHANGELOG.md
index 72ac9d1f7..a8ef8deb6 100644
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.1.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v2.1.1 - _November 9, 2018_
 
     * Dependencies updated
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index 1a25b5e32..c5a1dc3d1 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/subproviders",
-    "version": "2.1.1",
+    "version": "2.1.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,11 +29,11 @@
         }
     },
     "dependencies": {
-        "@0x/assert": "^1.0.15",
+        "@0x/assert": "^1.0.16",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "@ledgerhq/hw-app-eth": "^4.3.0",
         "@ledgerhq/hw-transport-u2f": "4.24.0",
         "@types/eth-lightwallet": "^3.0.0",
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index c46f5465a..fec328ec7 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0x/testnet-faucets",
-    "version": "1.0.53",
+    "version": "1.0.54",
     "engines": {
         "node": ">=6.12"
     },
@@ -18,11 +18,11 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "0x.js": "^2.0.1",
-        "@0x/subproviders": "^2.1.1",
+        "0x.js": "^2.0.2",
+        "@0x/subproviders": "^2.1.2",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "body-parser": "^1.17.1",
         "ethereum-types": "^1.1.2",
         "ethereumjs-tx": "^1.3.5",
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index 7b21da73a..89d153eef 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1542028948,
+        "version": "3.1.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "3.1.1",
         "changes": [
             {
diff --git a/packages/web3-wrapper/CHANGELOG.md b/packages/web3-wrapper/CHANGELOG.md
index ebbef2c48..80ac76b9a 100644
--- a/packages/web3-wrapper/CHANGELOG.md
+++ b/packages/web3-wrapper/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.1.2 - _November 12, 2018_
+
+    * Dependencies updated
+
 ## v3.1.1 - _November 9, 2018_
 
     * Fix bug in `getTransactionByHashAsync` which was causing the return value to have the wrong type (raw fields instead of unmarshalled fields). (#1177)
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 2b87cc92a..9f3bfe3c3 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/web3-wrapper",
-    "version": "3.1.1",
+    "version": "3.1.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,8 +53,8 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.15",
-        "@0x/json-schemas": "^2.0.1",
+        "@0x/assert": "^1.0.16",
+        "@0x/json-schemas": "^2.1.0",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
         "ethereum-types": "^1.1.2",
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index 56877fef3..be1713f20 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -157,7 +157,7 @@ export class Web3Wrapper {
         this.abiDecoder = new AbiDecoder([]);
         this._provider = provider;
         this._txDefaults = txDefaults || {};
-        this._jsonRpcRequestId = 0;
+        this._jsonRpcRequestId = 1;
     }
     /**
      * Get the contract defaults set to the Web3Wrapper instance
@@ -533,9 +533,6 @@ export class Web3Wrapper {
             method: 'eth_call',
             params: [callDataHex, marshalledDefaultBlock],
         });
-        if (rawCallResult === '0x') {
-            throw new Error('Contract call failed (returned null)');
-        }
         return rawCallResult;
     }
     /**
diff --git a/packages/website/package.json b/packages/website/package.json
index fd671d85d..143751656 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/website",
-    "version": "0.0.56",
+    "version": "0.0.57",
     "engines": {
         "node": ">=6.12"
     },
@@ -20,16 +20,16 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/contract-wrappers": "^3.0.1",
-        "@0x/json-schemas": "^2.0.1",
-        "@0x/order-utils": "^2.0.1",
-        "@0x/react-docs": "^1.0.15",
-        "@0x/react-shared": "^1.0.18",
-        "@0x/subproviders": "^2.1.1",
+        "@0x/contract-wrappers": "^4.0.0",
+        "@0x/json-schemas": "^2.1.0",
+        "@0x/order-utils": "^3.0.0",
+        "@0x/react-docs": "^1.0.16",
+        "@0x/react-shared": "^1.0.19",
+        "@0x/subproviders": "^2.1.2",
         "@0x/types": "^1.2.1",
         "@0x/typescript-typings": "^3.0.4",
         "@0x/utils": "^2.0.4",
-        "@0x/web3-wrapper": "^3.1.1",
+        "@0x/web3-wrapper": "^3.1.2",
         "accounting": "^0.4.1",
         "basscss": "^8.0.3",
         "blockies": "^0.0.2",
diff --git a/packages/website/ts/blockchain.ts b/packages/website/ts/blockchain.ts
index b43c41739..25430c1c7 100644
--- a/packages/website/ts/blockchain.ts
+++ b/packages/website/ts/blockchain.ts
@@ -26,7 +26,7 @@ import { BlockParam, LogWithDecodedArgs, Provider, TransactionReceiptWithDecoded
 import * as _ from 'lodash';
 import * as moment from 'moment';
 import * as React from 'react';
-import contract = require('truffle-contract');
+import contract from 'truffle-contract';
 import { BlockchainWatcher } from 'ts/blockchain_watcher';
 import { AssetSendCompleted } from 'ts/components/flash_messages/asset_send_completed';
 import { TransactionSubmitted } from 'ts/components/flash_messages/transaction_submitted';
@@ -55,9 +55,9 @@ import { errorReporter } from 'ts/utils/error_reporter';
 import { fakeTokenRegistry } from 'ts/utils/fake_token_registry';
 import { tokenAddressOverrides } from 'ts/utils/token_address_overrides';
 import { utils } from 'ts/utils/utils';
-import FilterSubprovider = require('web3-provider-engine/subproviders/filters');
+import FilterSubprovider from 'web3-provider-engine/subproviders/filters';
 
-import * as MintableArtifacts from '../contracts/Mintable.json';
+import MintableArtifacts from '../contracts/Mintable.json';
 
 const BLOCK_NUMBER_BACK_TRACK = 50;
 const GWEI_IN_WEI = 1000000000;
diff --git a/packages/website/ts/components/dialogs/ledger_config_dialog.tsx b/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
index a9f591150..e15a2dd94 100644
--- a/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
+++ b/packages/website/ts/components/dialogs/ledger_config_dialog.tsx
@@ -7,7 +7,7 @@ import FlatButton from 'material-ui/FlatButton';
 import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
 import TextField from 'material-ui/TextField';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 import { Blockchain } from 'ts/blockchain';
 import { NetworkDropDown } from 'ts/components/dropdowns/network_drop_down';
 import { LifeCycleRaisedButton } from 'ts/components/ui/lifecycle_raised_button';
diff --git a/packages/website/ts/components/eth_wrappers.tsx b/packages/website/ts/components/eth_wrappers.tsx
index 2af4252bd..4a9f3b2fe 100644
--- a/packages/website/ts/components/eth_wrappers.tsx
+++ b/packages/website/ts/components/eth_wrappers.tsx
@@ -6,7 +6,7 @@ import Divider from 'material-ui/Divider';
 import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
 import * as moment from 'moment';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 import { Blockchain } from 'ts/blockchain';
 import { EthWethConversionButton } from 'ts/components/eth_weth_conversion_button';
 import { Dispatcher } from 'ts/redux/dispatcher';
diff --git a/packages/website/ts/components/generate_order/asset_picker.tsx b/packages/website/ts/components/generate_order/asset_picker.tsx
index 98aad6c62..e6ecd2ec8 100644
--- a/packages/website/ts/components/generate_order/asset_picker.tsx
+++ b/packages/website/ts/components/generate_order/asset_picker.tsx
@@ -3,7 +3,7 @@ import Dialog from 'material-ui/Dialog';
 import FlatButton from 'material-ui/FlatButton';
 import * as moment from 'moment';
 import * as React from 'react';
-import firstBy = require('thenby');
+import firstBy from 'thenby';
 
 import { Blockchain } from 'ts/blockchain';
 import { NewTokenForm } from 'ts/components/generate_order/new_token_form';
diff --git a/packages/website/ts/components/inputs/allowance_state_toggle.tsx b/packages/website/ts/components/inputs/allowance_state_toggle.tsx
index fd7d3b174..5396295d2 100644
--- a/packages/website/ts/components/inputs/allowance_state_toggle.tsx
+++ b/packages/website/ts/components/inputs/allowance_state_toggle.tsx
@@ -2,7 +2,7 @@ import { colors } from '@0x/react-shared';
 import { BigNumber, logUtils } from '@0x/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 import { Blockchain } from 'ts/blockchain';
 import { AllowanceState, AllowanceStateView } from 'ts/components/ui/allowance_state_view';
 import { Container } from 'ts/components/ui/container';
diff --git a/packages/website/ts/components/inputs/hash_input.tsx b/packages/website/ts/components/inputs/hash_input.tsx
index 73b6615d4..7688ffe21 100644
--- a/packages/website/ts/components/inputs/hash_input.tsx
+++ b/packages/website/ts/components/inputs/hash_input.tsx
@@ -3,7 +3,7 @@ import { Styles } from '@0x/react-shared';
 import { Order } from '@0x/types';
 import * as _ from 'lodash';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 
 import { Blockchain } from 'ts/blockchain';
 import { FakeTextField } from 'ts/components/ui/fake_text_field';
diff --git a/packages/website/ts/components/token_balances.tsx b/packages/website/ts/components/token_balances.tsx
index 9ba2bad84..92aecf046 100644
--- a/packages/website/ts/components/token_balances.tsx
+++ b/packages/website/ts/components/token_balances.tsx
@@ -16,8 +16,8 @@ import ContentAdd from 'material-ui/svg-icons/content/add';
 import ContentRemove from 'material-ui/svg-icons/content/remove';
 import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
-import firstBy = require('thenby');
+import ReactTooltip from 'react-tooltip';
+import firstBy from 'thenby';
 import { Blockchain } from 'ts/blockchain';
 import { AssetPicker } from 'ts/components/generate_order/asset_picker';
 import { SendButton } from 'ts/components/send_button';
diff --git a/packages/website/ts/components/ui/copy_icon.tsx b/packages/website/ts/components/ui/copy_icon.tsx
index 59e398cb6..403cd4607 100644
--- a/packages/website/ts/components/ui/copy_icon.tsx
+++ b/packages/website/ts/components/ui/copy_icon.tsx
@@ -2,7 +2,7 @@ import { colors } from '@0x/react-shared';
 import * as React from 'react';
 import * as CopyToClipboard from 'react-copy-to-clipboard';
 import * as ReactDOM from 'react-dom';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 
 interface CopyIconProps {
     data: string;
diff --git a/packages/website/ts/components/ui/ethereum_address.tsx b/packages/website/ts/components/ui/ethereum_address.tsx
index 71d98af56..12f8636eb 100644
--- a/packages/website/ts/components/ui/ethereum_address.tsx
+++ b/packages/website/ts/components/ui/ethereum_address.tsx
@@ -1,6 +1,6 @@
 import { EtherscanLinkSuffixes } from '@0x/react-shared';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 import { EtherScanIcon } from 'ts/components/ui/etherscan_icon';
 import { utils } from 'ts/utils/utils';
 
diff --git a/packages/website/ts/components/ui/etherscan_icon.tsx b/packages/website/ts/components/ui/etherscan_icon.tsx
index 57ab91ba2..a7fba8a33 100644
--- a/packages/website/ts/components/ui/etherscan_icon.tsx
+++ b/packages/website/ts/components/ui/etherscan_icon.tsx
@@ -1,7 +1,7 @@
 import { colors, EtherscanLinkSuffixes, utils as sharedUtils } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 
 interface EtherScanIconProps {
     addressOrTxHash: string;
diff --git a/packages/website/ts/components/ui/help_tooltip.tsx b/packages/website/ts/components/ui/help_tooltip.tsx
index d827eebb9..831d888f5 100644
--- a/packages/website/ts/components/ui/help_tooltip.tsx
+++ b/packages/website/ts/components/ui/help_tooltip.tsx
@@ -1,5 +1,5 @@
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 
 interface HelpTooltipProps {
     style?: React.CSSProperties;
diff --git a/packages/website/ts/components/ui/identicon.tsx b/packages/website/ts/components/ui/identicon.tsx
index b5b374973..9eca04a5d 100644
--- a/packages/website/ts/components/ui/identicon.tsx
+++ b/packages/website/ts/components/ui/identicon.tsx
@@ -1,4 +1,4 @@
-import blockies = require('blockies');
+import blockies from 'blockies';
 import * as _ from 'lodash';
 import * as React from 'react';
 
diff --git a/packages/website/ts/components/ui/party.tsx b/packages/website/ts/components/ui/party.tsx
index 6c0572437..f9e0967d4 100644
--- a/packages/website/ts/components/ui/party.tsx
+++ b/packages/website/ts/components/ui/party.tsx
@@ -1,7 +1,7 @@
 import { colors, EtherscanLinkSuffixes, utils as sharedUtils } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import ReactTooltip = require('react-tooltip');
+import ReactTooltip from 'react-tooltip';
 import { EthereumAddress } from 'ts/components/ui/ethereum_address';
 import { Identicon } from 'ts/components/ui/identicon';
 
diff --git a/packages/website/ts/components/wallet/wallet.tsx b/packages/website/ts/components/wallet/wallet.tsx
index 326cd3cfa..d9da0b9d5 100644
--- a/packages/website/ts/components/wallet/wallet.tsx
+++ b/packages/website/ts/components/wallet/wallet.tsx
@@ -4,7 +4,7 @@ import * as _ from 'lodash';
 
 import ActionAccountBalanceWallet from 'material-ui/svg-icons/action/account-balance-wallet';
 import * as React from 'react';
-import firstBy = require('thenby');
+import firstBy from 'thenby';
 
 import { Blockchain } from 'ts/blockchain';
 import { AccountConnection } from 'ts/components/ui/account_connection';
diff --git a/packages/website/ts/local_storage/trade_history_storage.tsx b/packages/website/ts/local_storage/trade_history_storage.tsx
index 91818b035..ef6a0a1aa 100644
--- a/packages/website/ts/local_storage/trade_history_storage.tsx
+++ b/packages/website/ts/local_storage/trade_history_storage.tsx
@@ -1,5 +1,5 @@
 import { BigNumber } from '@0x/utils';
-import ethUtil = require('ethereumjs-util');
+import ethUtil from 'ethereumjs-util';
 import * as _ from 'lodash';
 import { localStorage } from 'ts/local_storage/local_storage';
 import { Fill } from 'ts/types';
diff --git a/packages/website/ts/pages/documentation/developers_page.tsx b/packages/website/ts/pages/documentation/developers_page.tsx
index 361dbc86e..89389e488 100644
--- a/packages/website/ts/pages/documentation/developers_page.tsx
+++ b/packages/website/ts/pages/documentation/developers_page.tsx
@@ -1,7 +1,7 @@
 import { colors, constants as sharedConstants, utils as sharedUtils } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle = require('react-document-title');
+import DocumentTitle from 'react-document-title';
 import { DocsLogo } from 'ts/components/documentation/docs_logo';
 import { DocsTopBar } from 'ts/components/documentation/docs_top_bar';
 import { Container } from 'ts/components/ui/container';
diff --git a/packages/website/ts/pages/documentation/doc_page.tsx b/packages/website/ts/pages/documentation/doc_page.tsx
index 28bf2dba1..8392c90e4 100644
--- a/packages/website/ts/pages/documentation/doc_page.tsx
+++ b/packages/website/ts/pages/documentation/doc_page.tsx
@@ -6,11 +6,11 @@ import {
     SupportedDocJson,
     TypeDocUtils,
 } from '@0x/react-docs';
-import findVersions = require('find-versions');
+import findVersions from 'find-versions';
 import * as _ from 'lodash';
 import CircularProgress from 'material-ui/CircularProgress';
 import * as React from 'react';
-import semverSort = require('semver-sort');
+import semverSort from 'semver-sort';
 import { SidebarHeader } from 'ts/components/documentation/sidebar_header';
 import { NestedSidebarMenu } from 'ts/components/nested_sidebar_menu';
 import { Container } from 'ts/components/ui/container';
diff --git a/packages/website/ts/pages/landing/landing.tsx b/packages/website/ts/pages/landing/landing.tsx
index c56ed4ebe..e2af40c8d 100644
--- a/packages/website/ts/pages/landing/landing.tsx
+++ b/packages/website/ts/pages/landing/landing.tsx
@@ -1,7 +1,7 @@
 import { colors, Link } from '@0x/react-shared';
 import * as _ from 'lodash';
 import * as React from 'react';
-import DocumentTitle = require('react-document-title');
+import DocumentTitle from 'react-document-title';
 import { Footer } from 'ts/components/footer';
 import { SubscribeForm } from 'ts/components/forms/subscribe_form';
 import { TopBar } from 'ts/components/top_bar/top_bar';
diff --git a/packages/website/ts/utils/doc_utils.ts b/packages/website/ts/utils/doc_utils.ts
index e0b883ace..6be164e6e 100644
--- a/packages/website/ts/utils/doc_utils.ts
+++ b/packages/website/ts/utils/doc_utils.ts
@@ -2,7 +2,7 @@ import { DocAgnosticFormat, GeneratedDocJson } from '@0x/react-docs';
 import { fetchAsync, logUtils } from '@0x/utils';
 import * as _ from 'lodash';
 import { S3FileObject, VersionToFilePath } from 'ts/types';
-import convert = require('xml-js');
+import convert from 'xml-js';
 
 export const docUtils = {
     async getVersionToFilePathAsync(s3DocJsonRoot: string, folderName: string): Promise<VersionToFilePath> {
diff --git a/packages/website/ts/utils/error_reporter.ts b/packages/website/ts/utils/error_reporter.ts
index 6fc1216c3..8e24060ac 100644
--- a/packages/website/ts/utils/error_reporter.ts
+++ b/packages/website/ts/utils/error_reporter.ts
@@ -1,5 +1,5 @@
 import { logUtils } from '@0x/utils';
-import Rollbar = require('rollbar');
+import Rollbar from 'rollbar';
 import { configs } from 'ts/utils/configs';
 import { constants } from 'ts/utils/constants';
 import { utils } from 'ts/utils/utils';
diff --git a/packages/website/ts/utils/translate.ts b/packages/website/ts/utils/translate.ts
index 5595e6e0f..af5c766a9 100644
--- a/packages/website/ts/utils/translate.ts
+++ b/packages/website/ts/utils/translate.ts
@@ -1,11 +1,11 @@
 import * as _ from 'lodash';
 import { Deco, Key, Language } from 'ts/types';
 
-import * as chinese from '../../translations/chinese.json';
-import * as english from '../../translations/english.json';
-import * as korean from '../../translations/korean.json';
-import * as russian from '../../translations/russian.json';
-import * as spanish from '../../translations/spanish.json';
+import chinese from '../../translations/chinese.json';
+import english from '../../translations/english.json';
+import korean from '../../translations/korean.json';
+import russian from '../../translations/russian.json';
+import spanish from '../../translations/spanish.json';
 
 const languageToTranslations = {
     [Language.English]: english,
diff --git a/packages/website/ts/utils/utils.ts b/packages/website/ts/utils/utils.ts
index 87aa48018..8cc0061de 100644
--- a/packages/website/ts/utils/utils.ts
+++ b/packages/website/ts/utils/utils.ts
@@ -5,7 +5,7 @@ import { ExchangeContractErrs } from '@0x/types';
 import { BigNumber } from '@0x/utils';
 import { Web3Wrapper } from '@0x/web3-wrapper';
 import * as bowser from 'bowser';
-import deepEqual = require('deep-equal');
+import deepEqual from 'deep-equal';
 import * as _ from 'lodash';
 import * as moment from 'moment';
 import * as numeral from 'numeral';
diff --git a/packages/website/tsconfig.json b/packages/website/tsconfig.json
index 6421cd459..7d5f31b7f 100644
--- a/packages/website/tsconfig.json
+++ b/packages/website/tsconfig.json
@@ -16,7 +16,9 @@
         "composite": false,
         "paths": {
             "*": ["node_modules/@types/*", "*"]
-        }
+        },
+        "module": "esnext",
+        "moduleResolution": "node"
     },
     "include": ["./ts/**/*"]
 }
diff --git a/yarn.lock b/yarn.lock
index f096fd01d..648db1b0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1906,10 +1906,6 @@ aes-js@^0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
 
-aes-js@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-3.1.1.tgz#89fd1f94ae51b4c72d62466adc1a7323ff52f072"
-
 agent-base@4, agent-base@^4.1.0, agent-base@~4.2.0:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"
@@ -3347,7 +3343,7 @@ bs-logger@0.x:
   dependencies:
     fast-json-stable-stringify "^2.0.0"
 
-bs58@=4.0.1, bs58@^4.0.0:
+bs58@=4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/bs58/-/bs58-4.0.1.tgz#be161e76c354f6f788ae4071f63f34e8c4f0a42a"
   dependencies:
@@ -3370,14 +3366,6 @@ bs58check@^1.0.8:
     bs58 "^3.1.0"
     create-hash "^1.1.0"
 
-bs58check@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/bs58check/-/bs58check-2.1.2.tgz#53b018291228d82a5aa08e7d796fdafda54aebfc"
-  dependencies:
-    bs58 "^4.0.0"
-    create-hash "^1.1.0"
-    safe-buffer "^5.1.2"
-
 bser@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/bser/-/bser-2.0.0.tgz#9ac78d3ed5d915804fd87acb158bc797147a1719"
@@ -5965,19 +5953,6 @@ ethereumjs-wallet@0.6.0:
     utf8 "^2.1.1"
     uuid "^2.0.1"
 
-ethereumjs-wallet@~0.6.0:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/ethereumjs-wallet/-/ethereumjs-wallet-0.6.2.tgz#67244b6af3e8113b53d709124b25477b64aeccda"
-  dependencies:
-    aes-js "^3.1.1"
-    bs58check "^2.1.2"
-    ethereumjs-util "^5.2.0"
-    hdkey "^1.0.0"
-    safe-buffer "^5.1.2"
-    scrypt.js "^0.2.0"
-    utf8 "^3.0.0"
-    uuid "^3.3.2"
-
 ethers@~4.0.4:
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/ethers/-/ethers-4.0.4.tgz#d3f85e8b27f4b59537e06526439b0fb15b44dc65"
@@ -7511,14 +7486,6 @@ hdkey@^0.7.0, hdkey@^0.7.1:
     coinstring "^2.0.0"
     secp256k1 "^3.0.1"
 
-hdkey@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/hdkey/-/hdkey-1.1.0.tgz#e74e7b01d2c47f797fa65d1d839adb7a44639f29"
-  dependencies:
-    coinstring "^2.0.0"
-    safe-buffer "^5.1.1"
-    secp256k1 "^3.0.1"
-
 he@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/he/-/he-1.1.1.tgz#93410fd21b009735151f8868c2f271f3427e23fd"
@@ -15605,10 +15572,6 @@ utf8@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.2.tgz#1fa0d9270e9be850d9b05027f63519bf46457d96"
 
-utf8@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/utf8/-/utf8-3.0.0.tgz#f052eed1364d696e769ef058b183df88c87f69d1"
-
 util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"