From 5fdf72b1abba65bcaed116791b6b8b70edb17e49 Mon Sep 17 00:00:00 2001
From: Bas van Kervel <bas@ethdev.com>
Date: Tue, 16 Jun 2015 15:16:06 +0200
Subject: fixed web3 rpc test failures

---
 rpc/api/web3_args.go | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'rpc/api')

diff --git a/rpc/api/web3_args.go b/rpc/api/web3_args.go
index 5455a6c8e..38af7191e 100644
--- a/rpc/api/web3_args.go
+++ b/rpc/api/web3_args.go
@@ -1,5 +1,29 @@
 package api
 
+import (
+	"encoding/json"
+
+	"github.com/ethereum/go-ethereum/rpc/shared"
+)
+
 type Sha3Args struct {
 	Data string
 }
+
+func (args *Sha3Args) UnmarshalJSON(b []byte) (err error) {
+	var obj []interface{}
+	if err := json.Unmarshal(b, &obj); err != nil {
+		return shared.NewDecodeParamError(err.Error())
+	}
+
+	if len(obj) < 1 {
+		return shared.NewInsufficientParamsError(len(obj), 1)
+	}
+
+	argstr, ok := obj[0].(string)
+	if !ok {
+		return shared.NewInvalidTypeError("data", "is not a string")
+	}
+	args.Data = argstr
+	return nil
+}
-- 
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