several fixes for searching

app/utils.js

@@ -85,11 +85,18 @@ function getRandomString(length, chars) {
     return result;
 }
 
+function isHex(h) {
+	var a = parseInt(h, 16);
+	return (a.toString(16) === h.toLowerCase());
+}
+
+
 module.exports = {
 	doSmartRedirect: doSmartRedirect,
 	redirectToConnectPageIfNeeded: redirectToConnectPageIfNeeded,
 	hex2ascii: hex2ascii,
 	getBlockReward: getBlockReward,
 	splitArrayIntoChunks: splitArrayIntoChunks,
-	getRandomString: getRandomString
+	getRandomString: getRandomString,
+	isHex: isHex
 };

routes/baseActionsRouter.js

@@ -187,13 +187,11 @@ router.post("/search", function(req, res) {
 
 	var query = req.body.query.toLowerCase();
 
-	rpcApi.getRawTransaction(query).then(function(tx) {
-		if (tx) {
-			res.redirect("/tx/" + query);
+	req.session.query = req.body.query;
 
-			return;
-		}
+	console.log("query.hex = " + utils.isHex(query));
 
+	if (query.length == 64) {
 		rpcApi.getBlockByHash(query).then(function(blockByHash) {
 			if (blockByHash) {
 				res.redirect("/block/" + query);
@@ -201,14 +199,39 @@ router.post("/search", function(req, res) {
 				return;
 			}
 
-			if (isNaN(query)) {
-				req.session.userMessage = "No results found for query: " + query;
+			if (utils.isHex(query)) {
+				rpcApi.getRawTransaction(query).then(function(tx) {
+					if (tx) {
+						res.redirect("/tx/" + query);
+
+						return;
+					}
+
+					req.session.userMessage = "No results found for hash: " + query;
 
 					res.redirect("/");
 
 					return;
+
+				}).catch(function(err) {
+					res.locals.userMessage = "Error: " + err;
+
+					res.render("index");
+				});
+			} else {
+				req.session.userMessage = "No results found for query: " + query;
+
+				res.redirect("/");
 			}
 			
+		}).catch(function(err) {
+			res.locals.userMessage = "Error: " + err;
+
+			res.render("index");
+		});
+
+		
+	} else if (!isNaN(query)) {
 		rpcApi.getBlockByHeight(parseInt(query)).then(function(blockByHeight) {
 			if (blockByHeight) {
 				res.redirect("/block-height/" + query);
@@ -220,12 +243,15 @@ router.post("/search", function(req, res) {
 
 			res.redirect("/");
 		});
-		});
-	}).catch(function(err) {
-		res.locals.userMessage = "Unable to connect to Bitcoin Node at " + env.bitcoind.host + ":" + env.bitcoind.port;
+	} else {
+		req.session.userMessage = "Invalid query: " + query;
+
+		res.redirect("/");
+
+		return;
+	}
+
 	
-		res.render("index");
-	});
 });
 
 router.get("/block-height/:blockHeight", function(req, res) {