From 63d398ecc2baf580d8e1ce80e96b4dc35ef2b3f9 Mon Sep 17 00:00:00 2001
From: Philip Hofer <phofer@umich.edu>
Date: Mon, 25 Sep 2017 09:47:12 -0700
Subject: [PATCH] use the appropriate base conversion in decode generation

---
 _generated/def.go | 17 +++++++++++++++++
 gen/decode.go     |  2 +-
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/_generated/def.go b/_generated/def.go
index db39af03..6a928ae8 100644
--- a/_generated/def.go
+++ b/_generated/def.go
@@ -1,6 +1,7 @@
 package _generated
 
 import (
+	"math/big"
 	"os"
 	"time"
 
@@ -263,3 +264,19 @@ type NonMsgStructTags struct {
 		}
 	}
 }
+
+//msgp:shim big.Int as:[]byte using:i2b/b2i
+
+func b2i(b []byte) big.Int {
+	var i big.Int
+	i.SetBytes(b)
+	return i
+}
+
+func i2b(i big.Int) []byte {
+	return i.Bytes()
+}
+
+type Issue203 struct {
+	Value big.Int `msg:"value"`
+}
diff --git a/gen/decode.go b/gen/decode.go
index 3ba88fad..a45e8f7b 100644
--- a/gen/decode.go
+++ b/gen/decode.go
@@ -128,7 +128,7 @@ func (d *decodeGen) gBase(b *BaseElem) {
 	switch b.Value {
 	case Bytes:
 		if b.Convert {
-			d.p.printf("\n%s, err = dc.ReadBytes([]byte(%s))", tmp, vname)
+			d.p.printf("\n%s, err = dc.ReadBytes(%s)", tmp, tobaseConvert(b))
 		} else {
 			d.p.printf("\n%s, err = dc.ReadBytes(%s)", vname, vname)
 		}