Add Web3 library and service

2017-02-02 17:27:50 +08:00
parent 256798ae40
commit 5f108557cc
5 changed files with 62 additions and 3 deletions
@@ -0,0 +1,40 @@
+import Ember from 'ember';
+import Web3 from 'npm:web3';
+
+export default Ember.Service.extend({
+
+  web3Instance: null,
+
+  web3: function() {
+    if (Ember.isPresent(this.get('web3Instance'))) {
+      return this.get('web3Instance');
+    }
+
+    let web3Instance;
+
+    if (typeof window.web3 !== 'undefined') {
+      Ember.Logger.debug('[web3] Using user-provided instance, e.g. from Mist browser or Metamask');
+      web3Instance = window.web3;
+    } else {
+      Ember.Logger.debug('[web3] Creating new instance from npm module class');
+      let provider = new Web3.providers.HttpProvider("http://localhost:8545");
+      web3Instance = new Web3(provider);
+    }
+
+    this.set('web3Instance', web3Instance);
+
+    return web3Instance;
+  }.property('web3Instance'),
+
+  contract: function() {
+    // let web3 = this.get('web3');
+    let contract = null;
+
+    return contract;
+  }.property('web3'),
+
+  totalSupply: function() {
+    return 23000;
+  }.property()
+
+});