3 files changed, 17 insertions, 6 deletions
diff --git a/packages/web3-wrapper/README.md b/packages/web3-wrapper/README.md
index 5b22aefd4..7ed66ca41 100644
--- a/packages/web3-wrapper/README.md
+++ b/packages/web3-wrapper/README.md
@@ -44,6 +44,12 @@ yarn install
 yarn build
 ```
 
+or
+
+```bash
+yarn build:watch
+```
+
 ### Lint
 
 ```bash
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index ec9ff3bb4..baae437a7 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,10 +1,11 @@
 {
     "name": "@0xproject/web3-wrapper",
-    "version": "0.1.8",
+    "version": "0.1.9",
     "description": "Wraps around web3 and gives a nicer interface",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
     "scripts": {
+        "build:watch": "tsc -w",
         "build": "tsc",
         "clean": "shx rm -rf lib",
         "lint": "tslint --project . 'src/**/*.ts'"
@@ -19,17 +20,17 @@
     },
     "homepage": "https://github.com/0xProject/0x.js/packages/web3-wrapper/README.md",
     "devDependencies": {
-        "@0xproject/tslint-config": "^0.4.5",
-        "@0xproject/types": "^0.1.7",
+        "@0xproject/tslint-config": "^0.4.6",
+        "@0xproject/types": "^0.1.8",
         "@types/lodash": "^4.14.86",
         "npm-run-all": "^4.1.2",
         "shx": "^0.2.2",
         "tslint": "5.8.0",
-        "typescript": "~2.6.1",
-        "web3-typescript-typings": "^0.9.7"
+        "typescript": "2.7.1",
+        "web3-typescript-typings": "^0.9.8"
     },
     "dependencies": {
-        "@0xproject/utils": "^0.2.3",
+        "@0xproject/utils": "^0.2.4",
         "lodash": "^4.17.4",
         "web3": "^0.20.0"
     }
diff --git a/packages/web3-wrapper/src/index.ts b/packages/web3-wrapper/src/index.ts
index c4826f2be..a2878fc2a 100644
--- a/packages/web3-wrapper/src/index.ts
+++ b/packages/web3-wrapper/src/index.ts
@@ -134,6 +134,10 @@ export class Web3Wrapper {
         const gas = await promisify<number>(this._web3.eth.estimateGas)({ data });
         return gas;
     }
+    public async sendTransactionAsync(txData: Web3.TxData): Promise<string> {
+        const txHash = await promisify<string>(this._web3.eth.sendTransaction)(txData);
+        return txHash;
+    }
     private async _sendRawPayloadAsync<A>(payload: Web3.JSONRPCRequestPayload): Promise<A> {
         const sendAsync = this._web3.currentProvider.sendAsync.bind(this._web3.currentProvider);
         const response = await promisify<Web3.JSONRPCResponsePayload>(sendAsync)(payload);