Merge development

90 files changed, 655 insertions, 264 deletions

diff --git a/packages/0x.js/CHANGELOG.json b/packages/0x.js/CHANGELOG.json
index 86cf7a916..391c5fa17 100644
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.3",
         "changes": [
             {
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index a6f23e620..7031425ab 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
 
+## v1.0.4 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.3 - _September 19, 2018_
 
     * Drastically reduce the bundle size by removing unused parts of included contract artifacts.
diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index bf929a835..c92e24c52 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -1,6 +1,6 @@
 {
     "name": "0x.js",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,14 +41,14 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/migrations": "^1.0.9",
-        "@0xproject/monorepo-scripts": "^1.0.8",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/migrations": "^1.0.10",
+        "@0xproject/monorepo-scripts": "^1.0.9",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/sinon": "^2.2.2",
         "@types/web3-provider-engine": "^14.0.0",
         "awesome-typescript-loader": "^3.1.3",
@@ -73,17 +73,17 @@
         "webpack": "^3.1.0"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/contract-wrappers": "^1.0.3",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/order-watcher": "^1.0.3",
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/contract-wrappers": "^1.0.4",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/order-watcher": "^1.0.4",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "ethers": "3.0.22",
         "lodash": "^4.17.5",
         "web3-provider-engine": "14.0.6"
diff --git a/packages/abi-gen/CHANGELOG.json b/packages/abi-gen/CHANGELOG.json
index 640f76f07..2ecacb05d 100644
--- a/packages/abi-gen/CHANGELOG.json
+++ b/packages/abi-gen/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/abi-gen/CHANGELOG.md b/packages/abi-gen/CHANGELOG.md
index 3c65739c0..88ab42864 100644
--- a/packages/abi-gen/CHANGELOG.md
+++ b/packages/abi-gen/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/abi-gen/package.json b/packages/abi-gen/package.json
index 79c550a33..6b8581ef3 100644
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/abi-gen",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,10 +30,10 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen/README.md",
     "dependencies": {
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
         "chalk": "^2.3.0",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "glob": "^7.1.2",
         "handlebars": "^4.0.11",
         "lodash": "^4.17.5",
@@ -48,7 +48,7 @@
         "@types/glob": "5.0.35",
         "@types/handlebars": "^4.0.36",
         "@types/mkdirp": "^0.5.1",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/sleep": "^0.0.7",
         "@types/tmp": "^0.0.33",
         "@types/yargs": "^10.0.0",
diff --git a/packages/assert/CHANGELOG.json b/packages/assert/CHANGELOG.json
index 53c892ef5..8a9b6afd6 100644
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/assert/CHANGELOG.md b/packages/assert/CHANGELOG.md
index 8b1437350..d39441338 100644
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/assert/package.json b/packages/assert/package.json
index 23357dc99..629cb23e5 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/assert",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,9 +44,9 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
         "lodash": "^4.17.5",
         "valid-url": "^1.0.9"
     },
diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index 89580ca90..723963f87 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "2.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "2.0.2",
         "changes": [
diff --git a/packages/base-contract/CHANGELOG.md b/packages/base-contract/CHANGELOG.md
index a81f7a3a7..c4ba59e26 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
 
+## v2.0.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v2.0.2 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 6542f48df..44b0807ba 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/base-contract",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -40,10 +40,10 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "ethers": "3.0.22",
         "lodash": "^4.17.5"
     },
diff --git a/packages/connect/CHANGELOG.json b/packages/connect/CHANGELOG.json
index c6e753261..f5ca80279 100644
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "2.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1537369748,
         "version": "2.0.1",
         "changes": [
diff --git a/packages/connect/CHANGELOG.md b/packages/connect/CHANGELOG.md
index 8e9ebe3e0..1f8116f88 100644
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.2 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v2.0.1 - _September 19, 2018_
 
     * Dependencies updated
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 1308aa5b2..1575afe01 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/connect",
-    "version": "2.0.1",
+    "version": "2.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -43,12 +43,12 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/connect/README.md",
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
         "lodash": "^4.17.5",
         "query-string": "^5.0.1",
         "sinon": "^4.0.0",
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index a8572e968..1c9af4971 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -9,6 +9,15 @@
         ]
     },
     {
+        "version": "1.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ],
+        "timestamp": 1537541580
+    },
+    {
         "version": "1.0.3",
         "changes": [
             {
diff --git a/packages/contract-wrappers/CHANGELOG.md b/packages/contract-wrappers/CHANGELOG.md
index 69561213e..3757bd6ba 100644
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.4 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.3 - _September 19, 2018_
 
     * Drastically reduce the bundle size by removing unused parts of included contract artifacts.
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index 4ec93928c..8f60759f6 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/contract-wrappers",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "description": "Smart TS wrappers for 0x smart contracts",
     "keywords": [
         "0xproject",
@@ -41,14 +41,14 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/migrations": "^1.0.9",
-        "@0xproject/subproviders": "^2.0.2",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/migrations": "^1.0.10",
+        "@0xproject/subproviders": "^2.0.3",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/sinon": "^2.2.2",
         "@types/uuid": "^3.4.2",
         "@types/web3-provider-engine": "^14.0.0",
@@ -72,16 +72,16 @@
         "web3-provider-engine": "14.0.6"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/fill-scenarios": "^1.0.2",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/fill-scenarios": "^1.0.3",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-blockstream": "6.0.0",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
diff --git a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
index 19de17c0a..19a882712 100644
--- a/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
+++ b/packages/contract-wrappers/src/contract_wrappers/contract_wrapper.ts
@@ -2,6 +2,7 @@ import { AbiDecoder, intervalUtils, logUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
 import {
     BlockParamLiteral,
+    BlockWithoutTransactionData,
     ContractAbi,
     ContractArtifact,
     FilterObject,
@@ -174,7 +175,7 @@ export abstract class ContractWrapper {
             throw new Error(ContractWrappersError.SubscriptionAlreadyPresent);
         }
         this._blockAndLogStreamerIfExists = new BlockAndLogStreamer(
-            this._web3Wrapper.getBlockAsync.bind(this._web3Wrapper),
+            this._getBlockOrNullAsync.bind(this),
             this._web3Wrapper.getLogsAsync.bind(this._web3Wrapper),
             ContractWrapper._onBlockAndLogStreamerError.bind(this, isVerbose),
         );
@@ -194,6 +195,14 @@ export abstract class ContractWrapper {
             this._onLogStateChanged.bind(this, isRemoved),
         );
     }
+    // This method only exists in order to comply with the expected interface of Blockstream's constructor
+    private async _getBlockOrNullAsync(): Promise<BlockWithoutTransactionData | null> {
+        const blockIfExists = await this._web3Wrapper.getBlockIfExistsAsync.bind(this._web3Wrapper);
+        if (_.isUndefined(blockIfExists)) {
+            return null;
+        }
+        return blockIfExists;
+    }
     // HACK: This should be a package-scoped method (which doesn't exist in TS)
     // We don't want this method available in the public interface for all classes
     // who inherit from ContractWrapper, and it is only used by the internal implementation
@@ -212,11 +221,14 @@ export abstract class ContractWrapper {
         delete this._blockAndLogStreamerIfExists;
     }
     private async _reconcileBlockAsync(): Promise<void> {
-        const latestBlock = await this._web3Wrapper.getBlockAsync(BlockParamLiteral.Latest);
+        const latestBlockIfExists = await this._web3Wrapper.getBlockIfExistsAsync(BlockParamLiteral.Latest);
+        if (_.isUndefined(latestBlockIfExists)) {
+            return; // noop
+        }
         // We need to coerce to Block type cause Web3.Block includes types for mempool blocks
         if (!_.isUndefined(this._blockAndLogStreamerIfExists)) {
             // If we clear the interval while fetching the block - this._blockAndLogStreamer will be undefined
-            await this._blockAndLogStreamerIfExists.reconcileNewBlock((latestBlock as any) as Block);
+            await this._blockAndLogStreamerIfExists.reconcileNewBlock((latestBlockIfExists as any) as Block);
         }
     }
 }
diff --git a/packages/contract-wrappers/test/subscription_test.ts b/packages/contract-wrappers/test/subscription_test.ts
index 81b9012bd..68ef7225e 100644
--- a/packages/contract-wrappers/test/subscription_test.ts
+++ b/packages/contract-wrappers/test/subscription_test.ts
@@ -61,7 +61,7 @@ describe('SubscriptionTest', () => {
                     callback,
                 );
                 stubs = [
-                    Sinon.stub((contractWrappers as any)._web3Wrapper, 'getBlockAsync').throws(
+                    Sinon.stub((contractWrappers as any)._web3Wrapper, 'getBlockIfExistsAsync').throws(
                         new Error('JSON RPC error'),
                     ),
                 ];
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 1c912d3a7..63de510b1 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "contracts",
-    "version": "2.1.44",
+    "version": "2.1.45",
     "engines": {
         "node": ">=6.12"
     },
@@ -45,16 +45,16 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/contracts/README.md",
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/sol-compiler": "^1.1.2",
-        "@0xproject/sol-cov": "^2.1.2",
-        "@0xproject/subproviders": "^2.0.2",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/sol-compiler": "^1.1.3",
+        "@0xproject/sol-cov": "^2.1.3",
+        "@0xproject/subproviders": "^2.0.3",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/bn.js": "^4.11.0",
         "@types/ethereumjs-abi": "^0.6.0",
         "@types/lodash": "4.14.104",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/yargs": "^10.0.0",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
@@ -72,15 +72,15 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "@types/js-combinatorics": "^0.5.29",
         "bn.js": "^4.11.8",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-abi": "0.6.5",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
diff --git a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
index 05d8bbb36..0b17c298b 100644
--- a/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
+++ b/packages/contracts/test/multisig/multi_sig_with_time_lock.ts
@@ -269,7 +269,10 @@ describe('MultiSigWalletWithTimeLock', () => {
                 expect(confirmRes.logs).to.have.length(2);
 
                 const blockNum = await web3Wrapper.getBlockNumberAsync();
-                const blockInfo = await web3Wrapper.getBlockAsync(blockNum);
+                const blockInfo = await web3Wrapper.getBlockIfExistsAsync(blockNum);
+                if (_.isUndefined(blockInfo)) {
+                    throw new Error(`Unexpectedly failed to fetch block at #${blockNum}`);
+                }
                 const timestamp = new BigNumber(blockInfo.timestamp);
                 const confirmationTimeBigNum = new BigNumber(await multiSig.confirmationTimes.callAsync(txId));
 
diff --git a/packages/contracts/test/utils/block_timestamp.ts b/packages/contracts/test/utils/block_timestamp.ts
index 1159792c4..66c13eed1 100644
--- a/packages/contracts/test/utils/block_timestamp.ts
+++ b/packages/contracts/test/utils/block_timestamp.ts
@@ -35,6 +35,9 @@ export async function increaseTimeAndMineBlockAsync(seconds: number): Promise<nu
  * @returns a new Promise which will resolve with the timestamp in seconds.
  */
 export async function getLatestBlockTimestampAsync(): Promise<number> {
-    const currentBlock = await web3Wrapper.getBlockAsync('latest');
-    return currentBlock.timestamp;
+    const currentBlockIfExists = await web3Wrapper.getBlockIfExistsAsync('latest');
+    if (_.isUndefined(currentBlockIfExists)) {
+        throw new Error(`Unable to fetch latest block.`);
+    }
+    return currentBlockIfExists.timestamp;
 }
diff --git a/packages/dev-utils/CHANGELOG.json b/packages/dev-utils/CHANGELOG.json
index 839af99ac..e834eb1a3 100644
--- a/packages/dev-utils/CHANGELOG.json
+++ b/packages/dev-utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.8",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.7",
         "changes": [
diff --git a/packages/dev-utils/CHANGELOG.md b/packages/dev-utils/CHANGELOG.md
index c1737c884..34f29418b 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
 
+## v1.0.8 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.7 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index ff8bb3534..3ded87c05 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/dev-utils",
-    "version": "1.0.7",
+    "version": "1.0.8",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,12 +42,12 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/packages/ethereum-types/CHANGELOG.json b/packages/ethereum-types/CHANGELOG.json
index 5bb6965ee..20d33ea38 100644
--- a/packages/ethereum-types/CHANGELOG.json
+++ b/packages/ethereum-types/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.7",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.6",
         "changes": [
diff --git a/packages/ethereum-types/CHANGELOG.md b/packages/ethereum-types/CHANGELOG.md
index 0131f6319..0de27c2fb 100644
--- a/packages/ethereum-types/CHANGELOG.md
+++ b/packages/ethereum-types/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.7 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.6 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/ethereum-types/package.json b/packages/ethereum-types/package.json
index afe480916..c1abfb79b 100644
--- a/packages/ethereum-types/package.json
+++ b/packages/ethereum-types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ethereum-types",
-    "version": "1.0.6",
+    "version": "1.0.7",
     "engines": {
         "node": ">=6.12"
     },
@@ -36,7 +36,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "bignumber.js": "~4.1.0"
     },
     "publishConfig": {
diff --git a/packages/fill-scenarios/CHANGELOG.json b/packages/fill-scenarios/CHANGELOG.json
index dbcabe632..e378c7cf0 100644
--- a/packages/fill-scenarios/CHANGELOG.json
+++ b/packages/fill-scenarios/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.2",
         "changes": [
             {
diff --git a/packages/fill-scenarios/CHANGELOG.md b/packages/fill-scenarios/CHANGELOG.md
index 409e5035c..16fbb4f34 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
 
+## v1.0.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.2 - _September 19, 2018_
 
     * Drastically reduce the bundle size by removing unused parts of included contract artifacts.
diff --git a/packages/fill-scenarios/package.json b/packages/fill-scenarios/package.json
index 4592ca091..474618a14 100644
--- a/packages/fill-scenarios/package.json
+++ b/packages/fill-scenarios/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/fill-scenarios",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "description": "0x order fill scenario generator",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -26,7 +26,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/fill-scenarios/README.md",
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
+        "@0xproject/abi-gen": "^1.0.9",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/lodash": "4.14.104",
         "copyfiles": "^2.0.0",
@@ -37,13 +37,13 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "ethers": "3.0.22",
         "lodash": "^4.17.5"
     },
diff --git a/packages/forwarder-helper/CHANGELOG.json b/packages/forwarder-helper/CHANGELOG.json
index aef30e4d0..084811c26 100644
--- a/packages/forwarder-helper/CHANGELOG.json
+++ b/packages/forwarder-helper/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1537369748,
         "version": "1.0.3",
         "changes": [
diff --git a/packages/forwarder-helper/CHANGELOG.md b/packages/forwarder-helper/CHANGELOG.md
index 4c26e6980..338d03d54 100644
--- a/packages/forwarder-helper/CHANGELOG.md
+++ b/packages/forwarder-helper/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.4 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.3 - _September 19, 2018_
 
     * Dependencies updated
diff --git a/packages/forwarder-helper/package.json b/packages/forwarder-helper/package.json
index 305b3f6a7..a76e5c990 100644
--- a/packages/forwarder-helper/package.json
+++ b/packages/forwarder-helper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/forwarder-helper",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "engines": {
         "node": ">=6.12"
     },
@@ -36,13 +36,13 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/forwarder-helper/README.md",
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@types/node": "^8.0.53",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@types/node": "*",
         "lodash": "^4.17.10"
     },
     "devDependencies": {
diff --git a/packages/json-schemas/CHANGELOG.json b/packages/json-schemas/CHANGELOG.json
index 09d7fb932..e3308f98b 100644
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.1",
         "changes": [
diff --git a/packages/json-schemas/CHANGELOG.md b/packages/json-schemas/CHANGELOG.md
index b68c1a1f9..0817874ba 100644
--- a/packages/json-schemas/CHANGELOG.md
+++ b/packages/json-schemas/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.2 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.1 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index 776f26664..3d5399d2a 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/json-schemas",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -38,14 +38,14 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/json-schemas/README.md",
     "dependencies": {
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@types/node": "^8.0.53",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@types/node": "*",
         "jsonschema": "^1.2.0",
         "lodash.values": "^4.3.0"
     },
     "devDependencies": {
         "@0xproject/tslint-config": "^1.0.7",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/utils": "^1.0.9",
         "@types/lodash.foreach": "^4.5.3",
         "@types/lodash.values": "^4.3.3",
         "@types/mocha": "^2.2.42",
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index 9246c1961..9824da332 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/metacoin",
-    "version": "0.0.18",
+    "version": "0.0.19",
     "engines": {
         "node": ">=6.12"
     },
@@ -28,25 +28,25 @@
     "author": "",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/sol-cov": "^2.1.2",
-        "@0xproject/subproviders": "^2.0.2",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/sol-cov": "^2.1.3",
+        "@0xproject/subproviders": "^2.0.3",
         "@0xproject/tslint-config": "^1.0.7",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "@types/mocha": "^5.2.2",
         "copyfiles": "^2.0.0",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethers": "3.0.22",
         "lodash": "^4.17.5",
         "run-s": "^0.0.0"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/sol-compiler": "^1.1.2",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/sol-compiler": "^1.1.3",
         "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 84ec503bf..a25de1a77 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1537369748,
         "version": "1.0.9",
         "changes": [
diff --git a/packages/migrations/CHANGELOG.md b/packages/migrations/CHANGELOG.md
index aff23b0cf..2a6aeb96d 100644
--- a/packages/migrations/CHANGELOG.md
+++ b/packages/migrations/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.10 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.9 - _September 19, 2018_
 
     * Dependencies updated
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index 5938ac224..1229c78dc 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/migrations",
-    "version": "1.0.9",
+    "version": "1.0.10",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,10 +30,10 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/dev-utils": "^1.0.7",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/dev-utils": "^1.0.8",
         "@0xproject/tslint-config": "^1.0.7",
-        "@0xproject/types": "^1.0.1",
+        "@0xproject/types": "^1.0.2",
         "@types/yargs": "^10.0.0",
         "copyfiles": "^2.0.0",
         "make-promises-safe": "^1.1.0",
@@ -44,15 +44,15 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/sol-compiler": "^1.1.2",
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/sol-compiler": "^1.1.3",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "@ledgerhq/hw-app-eth": "^4.3.0",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethers": "3.0.22",
         "lodash": "^4.17.5"
     },
diff --git a/packages/monorepo-scripts/package.json b/packages/monorepo-scripts/package.json
index cddb6ec3d..e776569b1 100644
--- a/packages/monorepo-scripts/package.json
+++ b/packages/monorepo-scripts/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0xproject/monorepo-scripts",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -33,7 +33,7 @@
     "devDependencies": {
         "@types/glob": "^5.0.33",
         "@types/mkdirp": "^0.5.2",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/opn": "^5.1.0",
         "@types/rimraf": "^2.0.2",
         "@types/semver": "5.5.0",
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index d202d779c..5bf538c1f 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.2",
         "changes": [
             {
diff --git a/packages/order-utils/CHANGELOG.md b/packages/order-utils/CHANGELOG.md
index 077f017db..e35867fa6 100644
--- a/packages/order-utils/CHANGELOG.md
+++ b/packages/order-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.2 - _September 19, 2018_
 
     * Drastically reduce the bundle size by removing unused parts of included contract artifacts.
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index b3f93ff2e..c9620bffa 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/order-utils",
-    "version": "1.0.2",
+    "version": "1.0.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -38,7 +38,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/order-utils/README.md",
     "devDependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
+        "@0xproject/dev-utils": "^1.0.8",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/bn.js": "^4.11.0",
         "@types/lodash": "4.14.104",
@@ -57,16 +57,16 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "@types/node": "^8.0.53",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "@types/node": "*",
         "bn.js": "^4.11.8",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-abi": "0.6.5",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
diff --git a/packages/order-watcher/CHANGELOG.json b/packages/order-watcher/CHANGELOG.json
index d6be772e2..1b19a4cdd 100644
--- a/packages/order-watcher/CHANGELOG.json
+++ b/packages/order-watcher/CHANGELOG.json
@@ -9,6 +9,15 @@
         ]
     },
     {
+        "version": "1.0.4",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ],
+        "timestamp": 1537541580
+    },
+    {
         "version": "1.0.3",
         "changes": [
             {
diff --git a/packages/order-watcher/CHANGELOG.md b/packages/order-watcher/CHANGELOG.md
index e79bf638e..a4e1cc79f 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
 
+## v1.0.4 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.3 - _September 19, 2018_
 
     * Drastically reduce the bundle size by removing unused parts of included contract artifacts.
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index bc86a651f..f764b6518 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/order-watcher",
-    "version": "1.0.3",
+    "version": "1.0.4",
     "description": "An order watcher daemon that watches for order validity",
     "keywords": [
         "0x",
@@ -42,14 +42,14 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0xproject/abi-gen": "^1.0.8",
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/migrations": "^1.0.9",
+        "@0xproject/abi-gen": "^1.0.9",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/migrations": "^1.0.10",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/bintrees": "^1.0.2",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/sinon": "^2.2.2",
         "awesome-typescript-loader": "^3.1.3",
         "chai": "^4.0.1",
@@ -70,18 +70,18 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/base-contract": "^2.0.2",
-        "@0xproject/contract-wrappers": "^1.0.3",
-        "@0xproject/fill-scenarios": "^1.0.2",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/base-contract": "^2.0.3",
+        "@0xproject/contract-wrappers": "^1.0.4",
+        "@0xproject/fill-scenarios": "^1.0.3",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "bintrees": "^1.0.2",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-blockstream": "6.0.0",
         "ethers": "3.0.22",
         "lodash": "^4.17.5"
diff --git a/packages/order-watcher/src/order_watcher/event_watcher.ts b/packages/order-watcher/src/order_watcher/event_watcher.ts
index 9509c75de..eca235e26 100644
--- a/packages/order-watcher/src/order_watcher/event_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/event_watcher.ts
@@ -1,6 +1,6 @@
 import { intervalUtils, logUtils } from '@0xproject/utils';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
-import { BlockParamLiteral, LogEntry, Provider } from 'ethereum-types';
+import { BlockParamLiteral, BlockWithoutTransactionData, LogEntry, Provider } from 'ethereum-types';
 import { Block, BlockAndLogStreamer, Log } from 'ethereumjs-blockstream';
 import * as _ from 'lodash';
 
@@ -62,7 +62,7 @@ export class EventWatcher {
             throw new Error(OrderWatcherError.SubscriptionAlreadyPresent);
         }
         this._blockAndLogStreamerIfExists = new BlockAndLogStreamer(
-            this._web3Wrapper.getBlockAsync.bind(this._web3Wrapper),
+            this._getBlockOrNullAsync.bind(this),
             this._web3Wrapper.getLogsAsync.bind(this._web3Wrapper),
             this._onBlockAndLogStreamerError.bind(this),
         );
@@ -82,6 +82,14 @@ export class EventWatcher {
             this._onLogStateChangedAsync.bind(this, callback, isRemoved),
         );
     }
+    // This method only exists in order to comply with the expected interface of Blockstream's constructor
+    private async _getBlockOrNullAsync(): Promise<BlockWithoutTransactionData | null> {
+        const blockIfExists = await this._web3Wrapper.getBlockIfExistsAsync.bind(this._web3Wrapper);
+        if (_.isUndefined(blockIfExists)) {
+            return null;
+        }
+        return blockIfExists;
+    }
     private _stopBlockAndLogStream(): void {
         if (_.isUndefined(this._blockAndLogStreamerIfExists)) {
             throw new Error(OrderWatcherError.SubscriptionNotFound);
@@ -100,11 +108,14 @@ export class EventWatcher {
         await this._emitDifferencesAsync(log, isRemoved ? LogEventState.Removed : LogEventState.Added, callback);
     }
     private async _reconcileBlockAsync(): Promise<void> {
-        const latestBlock = await this._web3Wrapper.getBlockAsync(this._stateLayer);
+        const latestBlockIfExists = await this._web3Wrapper.getBlockIfExistsAsync(this._stateLayer);
+        if (_.isUndefined(latestBlockIfExists)) {
+            return; // noop
+        }
         // We need to coerce to Block type cause Web3.Block includes types for mempool blocks
         if (!_.isUndefined(this._blockAndLogStreamerIfExists)) {
             // If we clear the interval while fetching the block - this._blockAndLogStreamer will be undefined
-            await this._blockAndLogStreamerIfExists.reconcileNewBlock((latestBlock as any) as Block);
+            await this._blockAndLogStreamerIfExists.reconcileNewBlock((latestBlockIfExists as any) as Block);
         }
     }
     private async _emitDifferencesAsync(
diff --git a/packages/react-docs/CHANGELOG.json b/packages/react-docs/CHANGELOG.json
index d1e846bb1..c8a44aa9e 100644
--- a/packages/react-docs/CHANGELOG.json
+++ b/packages/react-docs/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/react-docs/CHANGELOG.md b/packages/react-docs/CHANGELOG.md
index 679f00097..595b0cf98 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
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index 345522074..0efe7dbc9 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/react-docs",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -23,7 +23,7 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
+        "@0xproject/dev-utils": "^1.0.8",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/compare-versions": "^3.0.0",
         "copyfiles": "^2.0.0",
@@ -33,11 +33,11 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/react-shared": "^1.0.9",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/react-shared": "^1.0.10",
+        "@0xproject/utils": "^1.0.9",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "^0.20.0",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/react": "*",
         "@types/react-dom": "*",
         "@types/react-scroll": "1.5.3",
diff --git a/packages/react-shared/CHANGELOG.json b/packages/react-shared/CHANGELOG.json
index 7f88a4db2..898ab26aa 100644
--- a/packages/react-shared/CHANGELOG.json
+++ b/packages/react-shared/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.10",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.9",
         "changes": [
diff --git a/packages/react-shared/CHANGELOG.md b/packages/react-shared/CHANGELOG.md
index bc524322c..f6878e43f 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
 
+## v1.0.10 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.9 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/react-shared/package.json b/packages/react-shared/package.json
index 49b3a4ac3..458968c39 100644
--- a/packages/react-shared/package.json
+++ b/packages/react-shared/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/react-shared",
-    "version": "1.0.9",
+    "version": "1.0.10",
     "engines": {
         "node": ">=6.12"
     },
@@ -24,7 +24,7 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
+        "@0xproject/dev-utils": "^1.0.8",
         "@0xproject/tslint-config": "^1.0.7",
         "copyfiles": "^2.0.0",
         "make-promises-safe": "^1.1.0",
@@ -37,7 +37,7 @@
         "@types/is-mobile": "0.3.0",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "0.18.0",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/react": "*",
         "@types/react-dom": "*",
         "@types/react-scroll": "1.5.3",
diff --git a/packages/sol-compiler/CHANGELOG.json b/packages/sol-compiler/CHANGELOG.json
index 8c5c84ce8..9a1961b79 100644
--- a/packages/sol-compiler/CHANGELOG.json
+++ b/packages/sol-compiler/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.1.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.1.2",
         "changes": [
diff --git a/packages/sol-compiler/CHANGELOG.md b/packages/sol-compiler/CHANGELOG.md
index 8b0e12441..a5d1332f8 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
 
+## v1.1.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.1.2 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-compiler/package.json b/packages/sol-compiler/package.json
index 8395eccb5..2ad0f9f09 100644
--- a/packages/sol-compiler/package.json
+++ b/packages/sol-compiler/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sol-compiler",
-    "version": "1.1.2",
+    "version": "1.1.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,7 +41,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-compiler/README.md",
     "devDependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
+        "@0xproject/dev-utils": "^1.0.8",
         "@0xproject/tslint-config": "^1.0.7",
         "@types/mkdirp": "^0.5.2",
         "@types/require-from-string": "^1.2.0",
@@ -64,16 +64,16 @@
         "zeppelin-solidity": "1.8.0"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/sol-resolver": "^1.0.8",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/sol-resolver": "^1.0.9",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "@types/yargs": "^11.0.0",
         "chalk": "^2.3.0",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.5",
         "mkdirp": "^0.5.1",
diff --git a/packages/sol-cov/CHANGELOG.json b/packages/sol-cov/CHANGELOG.json
index e57939f4f..5f49e0443 100644
--- a/packages/sol-cov/CHANGELOG.json
+++ b/packages/sol-cov/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "2.1.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "2.1.2",
         "changes": [
diff --git a/packages/sol-cov/CHANGELOG.md b/packages/sol-cov/CHANGELOG.md
index b41dc00e6..e1b898b19 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
 
+## v2.1.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v2.1.2 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-cov/package.json b/packages/sol-cov/package.json
index f51a76155..f80ae78e0 100644
--- a/packages/sol-cov/package.json
+++ b/packages/sol-cov/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sol-cov",
-    "version": "2.1.2",
+    "version": "2.1.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,13 +41,13 @@
     },
     "homepage": "https://github.com/0xProject/0x.js/packages/sol-cov/README.md",
     "dependencies": {
-        "@0xproject/dev-utils": "^1.0.7",
-        "@0xproject/sol-compiler": "^1.1.2",
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/dev-utils": "^1.0.8",
+        "@0xproject/sol-compiler": "^1.1.3",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-util": "^5.1.1",
         "glob": "^7.1.2",
         "istanbul": "^0.4.5",
@@ -64,7 +64,7 @@
         "@types/loglevel": "^1.5.3",
         "@types/mkdirp": "^0.5.1",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/rimraf": "^2.0.2",
         "@types/solidity-parser-antlr": "^0.2.0",
         "chai": "^4.0.1",
diff --git a/packages/sol-resolver/CHANGELOG.json b/packages/sol-resolver/CHANGELOG.json
index e7f5177f8..bfc7cb93b 100644
--- a/packages/sol-resolver/CHANGELOG.json
+++ b/packages/sol-resolver/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/sol-resolver/CHANGELOG.md b/packages/sol-resolver/CHANGELOG.md
index c14ef9336..5bed9f43c 100644
--- a/packages/sol-resolver/CHANGELOG.md
+++ b/packages/sol-resolver/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/sol-resolver/package.json b/packages/sol-resolver/package.json
index 2e0ce319c..da3f18788 100644
--- a/packages/sol-resolver/package.json
+++ b/packages/sol-resolver/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sol-resolver",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,8 +30,8 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/packages/sra-report/CHANGELOG.json b/packages/sra-report/CHANGELOG.json
index 4d9dc80f7..ee12caf34 100644
--- a/packages/sra-report/CHANGELOG.json
+++ b/packages/sra-report/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/sra-report/CHANGELOG.md b/packages/sra-report/CHANGELOG.md
index d3c9251f3..5e75625df 100644
--- a/packages/sra-report/CHANGELOG.md
+++ b/packages/sra-report/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/sra-report/package.json b/packages/sra-report/package.json
index 98d10be07..eebf0cc0b 100644
--- a/packages/sra-report/package.json
+++ b/packages/sra-report/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sra-report",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -33,13 +33,13 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sra-report/README.md",
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
+        "@0xproject/assert": "^1.0.9",
         "@0xproject/connect": "1.0.4",
         "@0xproject/json-schemas": "^0.8.3",
         "@0xproject/order-utils": "^0.0.9",
         "@0xproject/types": "^0.8.2",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
         "chalk": "^2.3.0",
         "lodash": "^4.17.5",
         "newman": "^3.9.3",
@@ -51,7 +51,7 @@
         "@types/mocha": "^2.2.48",
         "@types/newman": "^3.9.0",
         "@types/nock": "^9.1.2",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/yargs": "^10.0.0",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
diff --git a/packages/sra-spec/CHANGELOG.json b/packages/sra-spec/CHANGELOG.json
index 715f1a2f1..e0b373191 100644
--- a/packages/sra-spec/CHANGELOG.json
+++ b/packages/sra-spec/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.1",
         "changes": [
diff --git a/packages/sra-spec/CHANGELOG.md b/packages/sra-spec/CHANGELOG.md
index 52b99f538..59f397bc6 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
 
+## v1.0.2 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.1 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/sra-spec/package.json b/packages/sra-spec/package.json
index 82559a089..3da886e34 100644
--- a/packages/sra-spec/package.json
+++ b/packages/sra-spec/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/sra-spec",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -34,7 +34,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sra-spec/README.md",
     "dependencies": {
-        "@0xproject/json-schemas": "^1.0.1"
+        "@0xproject/json-schemas": "^1.0.2"
     },
     "devDependencies": {
         "@0xproject/tslint-config": "^1.0.7",
diff --git a/packages/subproviders/CHANGELOG.json b/packages/subproviders/CHANGELOG.json
index 0df16acf2..2d3c37615 100644
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "2.0.3",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "2.0.2",
         "changes": [
diff --git a/packages/subproviders/CHANGELOG.md b/packages/subproviders/CHANGELOG.md
index db75710d7..6e268d7ec 100644
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.3 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v2.0.2 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index b96166d37..347c71726 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/subproviders",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -28,11 +28,11 @@
         }
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "@ledgerhq/hw-app-eth": "^4.3.0",
         "@ledgerhq/hw-transport-u2f": "^4.3.0",
         "@types/eth-lightwallet": "^3.0.0",
@@ -41,7 +41,7 @@
         "bip39": "^2.5.0",
         "bn.js": "^4.11.8",
         "eth-lightwallet": "^3.0.1",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-tx": "^1.3.5",
         "ethereumjs-util": "^5.1.1",
         "ganache-core": "0xProject/ganache-core#monorepo-dep",
@@ -59,7 +59,7 @@
         "@types/hdkey": "^0.7.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/sinon": "^2.2.2",
         "@types/web3-provider-engine": "^14.0.0",
         "chai": "^4.0.1",
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index d4e68559f..448186b34 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0xproject/testnet-faucets",
-    "version": "1.0.46",
+    "version": "1.0.47",
     "engines": {
         "node": ">=6.12"
     },
@@ -17,13 +17,13 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "0x.js": "^1.0.3",
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "0x.js": "^1.0.4",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "body-parser": "^1.17.1",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-tx": "^1.3.5",
         "ethereumjs-util": "^5.1.1",
         "express": "^4.15.2",
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 008ff8ff4..a1fc1dcd0 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.2",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.1",
         "changes": [
             {
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index 759a93fb0..d89416fd6 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.2 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.1 - _September 5, 2018_
 
     * Add AssetProxyOwner revert reasons (#1041)
diff --git a/packages/types/package.json b/packages/types/package.json
index 15f0a54b4..f1c04b39b 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/types",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,9 +30,9 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "bignumber.js": "~4.1.0",
-        "ethereum-types": "^1.0.6"
+        "ethereum-types": "^1.0.7"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/typescript-typings/CHANGELOG.json b/packages/typescript-typings/CHANGELOG.json
index cef518859..f0b1a6c40 100644
--- a/packages/typescript-typings/CHANGELOG.json
+++ b/packages/typescript-typings/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "2.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.0.0",
         "changes": [
             {
diff --git a/packages/typescript-typings/CHANGELOG.md b/packages/typescript-typings/CHANGELOG.md
index e19e01509..67e86bb82 100644
--- a/packages/typescript-typings/CHANGELOG.md
+++ b/packages/typescript-typings/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.1 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v2.0.0 - _September 5, 2018_
 
     * Remove types for web3-provider-engine, newman, ganache-core, detect-node, eth-lightwallet (#1052)
diff --git a/packages/typescript-typings/package.json b/packages/typescript-typings/package.json
index 4b521d6d0..6f8b7e256 100644
--- a/packages/typescript-typings/package.json
+++ b/packages/typescript-typings/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/typescript-typings",
-    "version": "2.0.0",
+    "version": "2.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -26,7 +26,7 @@
         "@types/bn.js": "^4.11.0",
         "@types/react": "*",
         "bignumber.js": "~4.1.0",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "popper.js": "1.14.3"
     },
     "devDependencies": {
diff --git a/packages/utils/CHANGELOG.json b/packages/utils/CHANGELOG.json
index c1b7db100..7449355ce 100644
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1537541580,
+        "version": "1.0.9",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "timestamp": 1536142250,
         "version": "1.0.8",
         "changes": [
diff --git a/packages/utils/CHANGELOG.md b/packages/utils/CHANGELOG.md
index 2452cf42e..aa2c08940 100644
--- a/packages/utils/CHANGELOG.md
+++ b/packages/utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v1.0.9 - _September 21, 2018_
+
+    * Dependencies updated
+
 ## v1.0.8 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/utils/package.json b/packages/utils/package.json
index 831b6c819..a3977cef6 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/utils",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -41,13 +41,13 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@types/node": "^8.0.53",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@types/node": "*",
         "abortcontroller-polyfill": "^1.1.9",
         "bignumber.js": "~4.1.0",
         "detect-node": "2.0.3",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
         "isomorphic-fetch": "^2.2.1",
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index e1fdede0e..ce3f5e3be 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -1,14 +1,26 @@
 [
     {
-        "version": "2.0.3",
+        "version": "3.0.0",
         "changes": [
             {
                 "note":
-                    "Fixes issue #1076 where Parity now returns a placeholder transactionReceipt before the transaction is mined."
+                    "Rename `getBlockAsync` to `getBlockIfExistsAsync` and rather then throw if the requested block wasn't found, return undefined.",
+                "pr": 1082
             }
         ]
     },
     {
+        "version": "2.0.3",
+        "changes": [
+            {
+                "note":
+                    "Fixes issue #1076 where Parity now returns a placeholder transactionReceipt before the transaction is mined.",
+                "pr": 1079
+            }
+        ],
+        "timestamp": 1537541580
+    },
+    {
         "timestamp": 1536142250,
         "version": "2.0.2",
         "changes": [
diff --git a/packages/web3-wrapper/CHANGELOG.md b/packages/web3-wrapper/CHANGELOG.md
index 17f2b9f48..72aff4a95 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
 
+## v2.0.3 - _September 21, 2018_
+
+    * Fixes issue #1076 where Parity now returns a placeholder transactionReceipt before the transaction is mined. (#1079)
+
 ## v2.0.2 - _September 5, 2018_
 
     * Dependencies updated
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index 05ea4da17..bcd640839 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/web3-wrapper",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "engines": {
         "node": ">=6.12"
     },
@@ -53,11 +53,11 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0xproject/assert": "^1.0.8",
-        "@0xproject/json-schemas": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "ethereum-types": "^1.0.6",
+        "@0xproject/assert": "^1.0.9",
+        "@0xproject/json-schemas": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-util": "^5.1.1",
         "ethers": "3.0.22",
         "lodash": "^4.17.5"
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index 3764b4593..2f574b76a 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -329,23 +329,29 @@ export class Web3Wrapper {
     /**
      * Fetch a specific Ethereum block without transaction data
      * @param blockParam The block you wish to fetch (blockHash, blockNumber or blockLiteral)
-     * @returns The requested block without transaction data
+     * @returns The requested block without transaction data, or undefined if block was not found
+     * (e.g the node isn't fully synced, there was a block re-org and the requested block was uncles, etc...)
      */
-    public async getBlockAsync(blockParam: string | BlockParam): Promise<BlockWithoutTransactionData> {
+    public async getBlockIfExistsAsync(
+        blockParam: string | BlockParam,
+    ): Promise<BlockWithoutTransactionData | undefined> {
         Web3Wrapper._assertBlockParamOrString(blockParam);
         const encodedBlockParam = marshaller.marshalBlockParam(blockParam);
         const method = utils.isHexStrict(blockParam) ? 'eth_getBlockByHash' : 'eth_getBlockByNumber';
         const shouldIncludeTransactionData = false;
-        const blockWithoutTransactionDataWithHexValues = await this._sendRawPayloadAsync<
+        const blockWithoutTransactionDataWithHexValuesOrNull = await this._sendRawPayloadAsync<
             BlockWithoutTransactionDataRPC
         >({
             method,
             params: [encodedBlockParam, shouldIncludeTransactionData],
         });
-        const blockWithoutTransactionData = marshaller.unmarshalIntoBlockWithoutTransactionData(
-            blockWithoutTransactionDataWithHexValues,
-        );
-        return blockWithoutTransactionData;
+        let blockWithoutTransactionDataIfExists;
+        if (!_.isNull(blockWithoutTransactionDataWithHexValuesOrNull)) {
+            blockWithoutTransactionDataIfExists = marshaller.unmarshalIntoBlockWithoutTransactionData(
+                blockWithoutTransactionDataWithHexValuesOrNull,
+            );
+        }
+        return blockWithoutTransactionDataIfExists;
     }
     /**
      * Fetch a specific Ethereum block with transaction data
@@ -376,8 +382,11 @@ export class Web3Wrapper {
      */
     public async getBlockTimestampAsync(blockParam: string | BlockParam): Promise<number> {
         Web3Wrapper._assertBlockParamOrString(blockParam);
-        const { timestamp } = await this.getBlockAsync(blockParam);
-        return timestamp;
+        const blockIfExists = await this.getBlockIfExistsAsync(blockParam);
+        if (_.isUndefined(blockIfExists)) {
+            throw new Error(`Failed to fetch block with blockParam: ${JSON.stringify(blockParam)}`);
+        }
+        return blockIfExists.timestamp;
     }
     /**
      * Retrieve the user addresses available through the backing provider
diff --git a/packages/web3-wrapper/test/web3_wrapper_test.ts b/packages/web3-wrapper/test/web3_wrapper_test.ts
index b4fd8bb44..385c469bf 100644
--- a/packages/web3-wrapper/test/web3_wrapper_test.ts
+++ b/packages/web3-wrapper/test/web3_wrapper_test.ts
@@ -85,28 +85,40 @@ describe('Web3Wrapper tests', () => {
             expect(typeof blockNumber).to.be.equal('number');
         });
     });
-    describe('#getBlockAsync', () => {
+    describe('#getBlockIfExistsAsync', () => {
         it('gets block when supplied a valid BlockParamLiteral value', async () => {
             const blockParamLiteral = BlockParamLiteral.Earliest;
-            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
-            expect(block.number).to.be.equal(0);
-            expect(utils.isBigNumber(block.difficulty)).to.equal(true);
-            expect(_.isNumber(block.gasLimit)).to.equal(true);
+            const blockIfExists = await web3Wrapper.getBlockIfExistsAsync(blockParamLiteral);
+            if (_.isUndefined(blockIfExists)) {
+                throw new Error('Expected block to exist');
+            }
+            expect(blockIfExists.number).to.be.equal(0);
+            expect(utils.isBigNumber(blockIfExists.difficulty)).to.equal(true);
+            expect(_.isNumber(blockIfExists.gasLimit)).to.equal(true);
         });
         it('gets block when supplied a block number', async () => {
             const blockParamLiteral = 0;
-            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
-            expect(block.number).to.be.equal(0);
+            const blockIfExists = await web3Wrapper.getBlockIfExistsAsync(blockParamLiteral);
+            if (_.isUndefined(blockIfExists)) {
+                throw new Error('Expected block to exist');
+            }
+            expect(blockIfExists.number).to.be.equal(0);
         });
         it('gets block when supplied a block hash', async () => {
             const blockParamLiteral = 0;
-            const block = await web3Wrapper.getBlockAsync(blockParamLiteral);
-            const sameBlock = await web3Wrapper.getBlockAsync(block.hash as string);
-            expect(sameBlock.number).to.be.equal(0);
+            const blockIfExists = await web3Wrapper.getBlockIfExistsAsync(blockParamLiteral);
+            if (_.isUndefined(blockIfExists)) {
+                throw new Error('Expected block to exist');
+            }
+            const sameBlockIfExists = await web3Wrapper.getBlockIfExistsAsync(blockIfExists.hash as string);
+            if (_.isUndefined(sameBlockIfExists)) {
+                throw new Error('Expected block to exist');
+            }
+            expect(sameBlockIfExists.number).to.be.equal(0);
         });
         it('should throw if supplied invalid blockParam value', async () => {
             const invalidBlockParam = 'deadbeef';
-            expect(web3Wrapper.getBlockAsync(invalidBlockParam)).to.eventually.to.be.rejected();
+            expect(web3Wrapper.getBlockIfExistsAsync(invalidBlockParam)).to.eventually.to.be.rejected();
         });
     });
     describe('#getBlockWithTransactionDataAsync', () => {
diff --git a/packages/website/package.json b/packages/website/package.json
index 911a4ccba..54ec1c84b 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0xproject/website",
-    "version": "0.0.49",
+    "version": "0.0.50",
     "engines": {
         "node": ">=6.12"
     },
@@ -19,21 +19,21 @@
     "license": "Apache-2.0",
     "dependencies": {
         "0x.js": "^0.38.6",
-        "@0xproject/contract-wrappers": "^1.0.3",
-        "@0xproject/order-utils": "^1.0.2",
-        "@0xproject/react-docs": "^1.0.8",
-        "@0xproject/react-shared": "^1.0.9",
-        "@0xproject/subproviders": "^2.0.2",
-        "@0xproject/types": "^1.0.1",
-        "@0xproject/typescript-typings": "^2.0.0",
-        "@0xproject/utils": "^1.0.8",
-        "@0xproject/web3-wrapper": "^2.0.2",
+        "@0xproject/contract-wrappers": "^1.0.4",
+        "@0xproject/order-utils": "^1.0.3",
+        "@0xproject/react-docs": "^1.0.9",
+        "@0xproject/react-shared": "^1.0.10",
+        "@0xproject/subproviders": "^2.0.3",
+        "@0xproject/types": "^1.0.2",
+        "@0xproject/typescript-typings": "^2.0.1",
+        "@0xproject/utils": "^1.0.9",
+        "@0xproject/web3-wrapper": "^2.0.3",
         "accounting": "^0.4.1",
         "basscss": "^8.0.3",
         "blockies": "^0.0.2",
         "bowser": "^1.9.3",
         "deep-equal": "^1.0.1",
-        "ethereum-types": "^1.0.6",
+        "ethereum-types": "^1.0.7",
         "ethereumjs-util": "^5.1.1",
         "find-versions": "^2.0.0",
         "jsonschema": "^1.2.0",
@@ -72,7 +72,7 @@
         "@types/jsonschema": "^1.1.1",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "^0.20.0",
-        "@types/node": "^8.0.53",
+        "@types/node": "*",
         "@types/numeral": "^0.0.22",
         "@types/query-string": "^5.1.0",
         "@types/react": "^16.4.2",