47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
import Ember from 'ember';
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import Web3 from 'npm:web3';
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import config from 'kredits-web/config/environment';
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export default Ember.Service.extend({
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web3Instance: null,
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web3: function() {
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if (Ember.isPresent(this.get('web3Instance'))) {
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return this.get('web3Instance');
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}
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let web3Instance;
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if (typeof window.web3 !== 'undefined') {
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Ember.Logger.debug('[web3] Using user-provided instance, e.g. from Mist browser or Metamask');
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web3Instance = window.web3;
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} else {
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Ember.Logger.debug('[web3] Creating new instance from npm module class');
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let provider = new Web3.providers.HttpProvider("http://localhost:8545");
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web3Instance = new Web3(provider);
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}
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this.set('web3Instance', web3Instance);
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return web3Instance;
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}.property('web3Instance'),
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kreditsContract: function() {
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// TODO cache this
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let contract = this.get('web3')
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.eth.contract(config.kreditsContract.ABI)
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.at(config.kreditsContract.address);
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return contract;
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}.property('web3'),
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totalSupply: function() {
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return this.get('kreditsContract').totalSupply();
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}.property('kreditsContract'),
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logKreditsContract: function() {
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Ember.Logger.debug('kreditsContract', this.get('kreditsContract'));
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}.on('init')
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});
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