Return pointer to TxRawResult and use bytes.IndexByte instead of Strings.Contains

jsonresults.go

@@ -5,6 +5,7 @@
 package btcjson
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 	"strings"
@@ -426,12 +427,12 @@ func ReadResultCmd(cmd string, message []byte) (Reply, error) {
 	case "getrawtransaction":
 		// getrawtransaction can either return a JSON object or a
 		// hex-encoded string depending on the verbose flag.  Choose the
-		// right form accordingly.
-		if strings.Contains(string(objmap["result"]), "{") {
+		// right form accordingly.=
+		if bytes.IndexByte(objmap["result"], '{') > -1 {
 			var res TxRawResult
 			err = json.Unmarshal(objmap["result"], &res)
 			if err == nil {
-				result.Result = res
+				result.Result = &res
 			}
 		} else {
 			var res string