added web3 reconnect

lib/node.js

@@ -174,13 +174,38 @@ Node.prototype.checkWeb3Connection = function()
 	}
 }
 
+Node.prototype.reconnectWeb3 = function()
+{
+	this._web3 = false;
+
+	if(this.updateInterval)
+		clearInterval(this.updateInterval);
+
+	if(this.pingInterval)
+		clearInterval(this.pingInterval);
+
+	try
+	{
+		web3.reset();
+	}
+	catch (err)
+	{
+		console.error("Web3 reset error:", err);
+	}
+
+	this.checkWeb3Connection();
+}
+
 Node.prototype.startSocketConnection = function()
 {
+	if( !this._socket )
+	{
 		console.info('wsc', 'Starting socket connection');
 
 		socket = new Socket( process.env.WS_SERVER || 'ws://localhost:3000' );
 
 		this.setupSockets();
+	}
 }
 
 Node.prototype.setupSockets = function()
@@ -327,13 +352,17 @@ Node.prototype.setInactive = function()
 {
 	this.stats.active = false;
 	this.stats.peers = 0;
-	this.stats.pending = 0;
 	this.stats.mining = false;
 	this.stats.hashrate = 0;
-	this.stats.gasPrice = 0;
-	this.stats.minerName = false;
 	this._down++;
 
+	this.setUptime();
+
+	this.sendStatsUpdate(true);
+
+	// Schedule web3 reconnect
+	this.reconnectWeb3();
+
 	return this;
 }
 
@@ -688,6 +717,11 @@ Node.prototype.setWatches = function()
 			var time = now - self._lastChainLog;
 			self._lastChainLog = now;
 
+			if(hash === null)
+			{
+				hash = web3.eth.blockNumber;
+			}
+
 			console.info('>>>', 'Chain Filter triggered: ', chalk.reset.red(hash), '- last trigger:', chalk.reset.cyan(time));
 
 			if(time < 5)