From cb3b20ad6caa4c129f17752c35cd585c549b6c3a Mon Sep 17 00:00:00 2001
From: Tadge Dryja <tadge@lightning.network>
Date: Sun, 21 Feb 2016 14:28:47 -0800
Subject: [PATCH] use WitnessSignatureScript

---
 uspv/sortsignsend.go | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/uspv/sortsignsend.go b/uspv/sortsignsend.go
index f1ef3647..0061f9e7 100644
--- a/uspv/sortsignsend.go
+++ b/uspv/sortsignsend.go
@@ -201,10 +201,20 @@ func (s *SPVCon) SendCoins(adr btcutil.Address, sendAmt int64) error {
 
 		// This is where witness based sighash types need to happen
 		// sign into stash
-		sigStash[i], err = txscript.SignatureScript(
-			tx, i, txin.SignatureScript, txscript.SigHashAll, priv, true)
-		if err != nil {
-			return err
+		if ins[i].IsWit {
+			sigStash[i], err = txscript.WitnessSignatureScript(
+				tx, i, ins[i].Value, txin.SignatureScript,
+				txscript.SigHashAll, priv, true)
+			if err != nil {
+				return err
+			}
+		} else {
+			sigStash[i], err = txscript.SignatureScript(
+				tx, i, txin.SignatureScript,
+				txscript.SigHashAll, priv, true)
+			if err != nil {
+				return err
+			}
 		}
 	}
 	// swap sigs into sigScripts in txins