add web3 & provider

Author: khaihkd

models/blockchain/chain.js

@@ -0,0 +1,11 @@
+'use strict'
+
+const Web3 = require('web3')
+
+// const chain = new Web3(new Web3.providers.HttpProvider("https://mainnet.infura.io/"));
+// const chain = new Web3(new Web3.providers.WebsocketProvider("wss://mainnet.infura.io/ws"));
+const chain = new Web3(new Web3.providers.WebsocketProvider("wss://testnet.tomochain.com/ws"));
+// const chain = new Web3(Web3.givenProvider || 'wss://testnet.tomochain.com/ws')
+// const chain = new WebsocketProvider('wss://mainnet.infura.io/ws')
+
+module.exports = chain