From fa881220aedb638f9ee35337b2ca1817c2a8482f Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Wed, 13 Aug 2014 10:52:50 +0200
Subject: [PATCH] Updated lookup method to include CNAME's as well as A records

---
 ethchain/bloom.go |  2 +-
 ethpub/pub.go     | 17 ++++++++++++++++-
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/ethchain/bloom.go b/ethchain/bloom.go
index 320ce73fc6..5317ca0b1c 100644
--- a/ethchain/bloom.go
+++ b/ethchain/bloom.go
@@ -6,7 +6,7 @@ type BloomFilter struct {
 
 func NewBloomFilter(bin []byte) *BloomFilter {
 	if bin == nil {
-		bin = make([]byte, 255)
+		bin = make([]byte, 256)
 	}
 
 	return &BloomFilter{
diff --git a/ethpub/pub.go b/ethpub/pub.go
index ab2aae5991..762c9a60f0 100644
--- a/ethpub/pub.go
+++ b/ethpub/pub.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"math/big"
+	"strconv"
 	"strings"
 	"sync/atomic"
 
@@ -74,8 +75,22 @@ func (self *PEthereum) LookupDomain(domain string) string {
 	if len(domain) > 32 {
 		domain = string(ethcrypto.Sha3Bin([]byte(domain)))
 	}
+	data := world.Config().Get("DnsReg").StorageString(domain).Bytes()
+
+	// Left padded = A record, Right padded = CNAME
+	if data[0] == 0 {
+		data = bytes.TrimLeft(data, "\x00")
+		var ipSlice []string
+		for _, d := range data {
+			ipSlice = append(ipSlice, strconv.Itoa(int(d)))
+		}
+
+		return strings.Join(ipSlice, ".")
+	} else {
+		data = bytes.TrimRight(data, "\x00")
 
-	return strings.Trim(world.Config().Get("DnsReg").StorageString(domain).Str(), "\x00")
+		return string(data)
+	}
 }
 
 func (lib *PEthereum) GetBlock(hexHash string) *PBlock {