openethereum · gavofyork · Oct 19, 2016 · Oct 18, 2016
diff --git a/js/package.json b/js/package.json
@@ -135,6 +135,7 @@
     "store": "^1.3.20",
     "utf8": "^2.1.1",
     "validator": "^5.7.0",
+    "web3": "^0.17.0-beta",
     "whatwg-fetch": "^1.0.0"
   }
 }
diff --git a/js/src/dev.parity.html b/js/src/dev.parity.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <title>dev::Parity.js</title>
+  </head>
+  <body>
+    <script src="parity.js"></script>
+  </body>
+</html>
diff --git a/js/src/dev.web3.html b/js/src/dev.web3.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <title>dev::Web3</title>
+  </head>
+  <body>
+    <script src="inject.js"></script>
+  </body>
+</html>
diff --git a/js/src/inject.js b/js/src/inject.js
@@ -0,0 +1,27 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+import Web3 from 'web3';
+import web3extensions from './util/web3.extensions';
+
+import './dev.web3.html';
+
+const http = new Web3.providers.HttpProvider('/rpc/');
+const web3 = new Web3(http);
+
+web3extensions(web3).map((extension) => web3._extend(extension));
+
+global.web3 = web3;
diff --git a/js/src/parity.js b/js/src/parity.js
@@ -22,6 +22,8 @@ es6Promise.polyfill();
 
 import Api from './api';
 
+import './dev.parity.html';
+
 const api = new Api(new Api.Transport.Http('/rpc/'));
 
 window.parity = {

diff --git a/js/src/util/web3.extensions.js b/js/src/util/web3.extensions.js
@@ -0,0 +1,67 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+export default function web3extensions (web3) {
+  const { Method, formatters } = web3._extend;
+
+  return [{
+    property: 'personal',
+    methods: [
+      new Method({
+        name: 'signAndSendTransaction',
+        call: 'personal_signAndSendTransaction',
+        params: 2,
+        inputFormatter: [formatters.inputTransactionFormatter, null]
+      }),
+      new Method({
+        name: 'signerEnabled',
+        call: 'personal_signerEnabled',
+        params: 0,
+        inputFormatter: []
+      })
+    ],
+    properties: []
+  }, {
+    property: 'ethcore',
+    methods: [
+      new Method({
+        name: 'getNetPeers',
+        call: 'ethcore_netPeers',
+        params: 0,
+        outputFormatter: x => x
+      }),
+      new Method({
+        name: 'getNetChain',
+        call: 'ethcore_netChain',
+        params: 0,
+        outputFormatter: x => x
+      }),
+      new Method({
+        name: 'gasPriceStatistics',
+        call: 'ethcore_gasPriceStatistics',
+        params: 0,
+        outputFormatter: a => a.map(web3.toBigNumber)
+      }),
+      new Method({
+        name: 'unsignedTransactionsCount',
+        call: 'ethcore_unsignedTransactionsCount',
+        params: 0,
+        inputFormatter: []
+      })
+    ],
+    properties: []
+  }];
+}
diff --git a/js/webpack.config.js b/js/webpack.config.js
@@ -41,6 +41,7 @@ module.exports = {
     'signaturereg': ['./dapps/signaturereg.js'],
     'tokenreg': ['./dapps/tokenreg.js'],
     // library
+    'inject': ['./inject.js'],
     'parity': ['./parity.js'],
     // app
     'index': ['./index.js']