Merge pull request #12 from debris/master

simplifie contract creation && calls, improved added examples

1 files changed, 43 insertions, 5 deletions

diff --git a/lib/main.js b/lib/main.js
index c3ed22f8b..7990691de 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -22,6 +22,8 @@
  * @date 2014
  */
 
+var abi = require('./abi');
+
 function flattenPromise (obj) {
     if (obj instanceof Promise) {
         return Promise.resolve(obj);
@@ -77,6 +79,7 @@ var ethMethods = function () {
     var methods = [
     { name: 'balanceAt', call: 'eth_balanceAt' },
     { name: 'stateAt', call: 'eth_stateAt' },
+    { name: 'storageAt', call: 'eth_storageAt' },
     { name: 'countAt', call: 'eth_countAt'},
     { name: 'codeAt', call: 'eth_codeAt' },
     { name: 'transact', call: 'eth_transact' },
@@ -84,8 +87,9 @@ var ethMethods = function () {
     { name: 'block', call: blockCall },
     { name: 'transaction', call: transactionCall },
     { name: 'uncle', call: uncleCall },
-    { name: 'compile', call: 'eth_compile' },
-    { name: 'lll', call: 'eth_lll' }
+    { name: 'compilers', call: 'eth_compilers' },
+    { name: 'lll', call: 'eth_lll' },
+    { name: 'solidity', call: 'eth_solidity' }
     ];
     return methods;
 };
@@ -290,9 +294,8 @@ var web3 = {
     }
 };
 
-var eth = web3.eth;
-setupMethods(eth, ethMethods());
-setupProperties(eth, ethProperties());
+setupMethods(web3.eth, ethMethods());
+setupProperties(web3.eth, ethProperties());
 setupMethods(web3.db, dbMethods());
 setupMethods(web3.shh, shhMethods());
 
@@ -452,5 +455,40 @@ function messageHandler(data) {
     }
 }
 
+web3.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 = web3;