BlockHash must be a string

53ac85cf · Taylor Gerring · d465e410 · 53ac85cf
Commit 53ac85cf authored Mar 11, 2015 by Taylor Gerring
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Showing with 6 additions and 1 deletion

args.go rpc/args.go +6 -1

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--- a/rpc/args.go
+++ b/rpc/args.go
@@ -40,7 +40,12 @@ func (args *GetBlockByHashArgs) UnmarshalJSON(b []byte) (err error) {
 	if len(obj) < 1 {
 		return errArguments
 	}
-	args.BlockHash = obj[0].(string)
+
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return errDecodeArgs
+	}
+	args.BlockHash = argstr

 	if len(obj) > 1 {
 		args.Transactions = obj[1].(bool)