From aa71e27a3b0f42b980082c52232c68fb50a45052 Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Thu, 2 Apr 2015 15:53:04 +0200
Subject: Detect non-valid strings for blockheight

---
 rpc/args.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'rpc')

diff --git a/rpc/args.go b/rpc/args.go
index a8cb7dcb1..cebabf4ba 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -41,7 +41,11 @@ func blockHeight(raw interface{}, number *int64) error {
 	case "pending":
 		*number = -2
 	default:
-		*number = common.String2Big(str).Int64()
+		if common.HasHexPrefix(str) {
+			*number = common.String2Big(str).Int64()
+		} else {
+			return NewInvalidTypeError("blockNumber", "is not a valid string")
+		}
 	}
 
 	return nil
-- 
cgit