From 27a8799e4809325bb2d7dbc7480a3de0f9d684d6 Mon Sep 17 00:00:00 2001
From: Marek Kotewicz <marek.kotewicz@gmail.com>
Date: Mon, 17 Nov 2014 15:46:46 +0100
Subject: added eth_serpent, contract separated to another file
---
lib/contract.js | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 63 insertions(+)
create mode 100644 lib/contract.js
(limited to 'lib/contract.js')
diff --git a/lib/contract.js b/lib/contract.js
new file mode 100644
index 000000000..10ceaf869
--- /dev/null
+++ b/lib/contract.js
@@ -0,0 +1,63 @@
+/*
+ This file is part of ethereum.js.
+
+ ethereum.js is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ ethereum.js 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file contract.js
+ * @authors:
+ * Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+if (process.env.NODE_ENV !== 'build') {
+ var web3 = require('./web3'); // jshint ignore:line
+}
+var abi = require('./abi');
+
+var contract = function (address, desc) {
+ var inputParser = abi.inputParser(desc);
+ var outputParser = abi.outputParser(desc);
+
+ var contract = {};
+
+ desc.forEach(function (method) {
+ contract[method.name] = function () {
+ var params = Array.prototype.slice.call(arguments);
+ var parsed = inputParser[method.name].apply(null, params);
+
+ var onSuccess = function (result) {
+ return outputParser[method.name](result);
+ };
+
+ return {
+ call: function (extra) {
+ extra = extra || {};
+ extra.to = address;
+ extra.data = parsed;
+ return web3.eth.call(extra).then(onSuccess);
+ },
+ transact: function (extra) {
+ extra = extra || {};
+ extra.to = address;
+ extra.data = parsed;
+ return web3.eth.transact(extra).then(onSuccess);
+ }
+ };
+ };
+ });
+
+ return contract;
+};
+
+module.exports = contract;
--
cgit v1.2.3