From 65e94faf4e9cb6ba1f3c9ab4035e84e8add0aa14 Mon Sep 17 00:00:00 2001
From: johnliu-dexon <42129254+johnliu-dexon@users.noreply.github.com>
Date: Thu, 17 Jan 2019 16:37:15 +0800
Subject: common: fix big scan from bytes (#157)

We store string of number, not bytes value into database
10 is stored as 0x3130, not 0x0a
Use UnmarshalText instead of SetBytes
---
 common/big.go      | 6 +++++-
 common/big_test.go | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/common/big.go b/common/big.go
index ea3d4aba6..96a83661e 100644
--- a/common/big.go
+++ b/common/big.go
@@ -45,7 +45,11 @@ func (b *Big) Scan(src interface{}) error {
 	case uint64:
 		*b = Big(*newB.SetUint64(t))
 	case []byte:
-		*b = Big(*newB.SetBytes(t))
+		err := newB.UnmarshalText(t)
+		if err != nil {
+			return err
+		}
+		*b = Big(*newB)
 	case string:
 		v, ok := newB.SetString(t, 10)
 		if !ok {
diff --git a/common/big_test.go b/common/big_test.go
index 0339b4760..5ce9091ec 100644
--- a/common/big_test.go
+++ b/common/big_test.go
@@ -31,7 +31,7 @@ func TestBig_Scan(t *testing.T) {
 		},
 		{
 			name:    "scan bytes",
-			args:    args{src: []byte{0x0a}},
+			args:    args{src: []byte{0x31, 0x30}},
 			value:   Big(*big.NewInt(10)),
 			wantErr: false,
 		},
-- 
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