From e882ba0c29a4e616113a4c16e6ea08b8a8abf06b Mon Sep 17 00:00:00 2001
From: Taylor Gerring <taylor.gerring@gmail.com>
Date: Thu, 2 Apr 2015 16:11:00 +0200
Subject: [PATCH] Return nil when requested index does not exist

Instead of error
---
 rpc/api.go | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/rpc/api.go b/rpc/api.go
index b46151cda4..4ce2a98e2e 100644
--- a/rpc/api.go
+++ b/rpc/api.go
@@ -217,9 +217,11 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		}
 
 		if args.Index >= int64(len(br.Transactions)) || args.Index < 0 {
-			return NewValidationError("Index", "does not exist")
+			// return NewValidationError("Index", "does not exist")
+			*reply = nil
+		} else {
+			*reply = br.Transactions[args.Index]
 		}
-		*reply = br.Transactions[args.Index]
 	case "eth_getTransactionByBlockNumberAndIndex":
 		args := new(BlockNumIndexArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {
@@ -233,9 +235,11 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
 		}
 
 		if args.Index >= int64(len(v.Transactions)) || args.Index < 0 {
-			return NewValidationError("Index", "does not exist")
+			// return NewValidationError("Index", "does not exist")
+			*reply = nil
+		} else {
+			*reply = v.Transactions[args.Index]
 		}
-		*reply = v.Transactions[args.Index]
 	case "eth_getUncleByBlockHashAndIndex":
 		args := new(HashIndexArgs)
 		if err := json.Unmarshal(req.Params, &args); err != nil {