From fd81fafdff502262870c28a1a48de5e9ea45e949 Mon Sep 17 00:00:00 2001
From: OutCast3k <OutCast3k@gmail.com>
Date: Tue, 19 Jun 2018 15:45:21 +0000
Subject: [PATCH] segwit signing bug fix

---
 js/coin.js | 25 +++++++++++++++++--------
 sha1sum    |  4 ++--
 2 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/js/coin.js b/js/coin.js
index 4e017879..bf69d670 100644
--- a/js/coin.js
+++ b/js/coin.js
@@ -1549,19 +1549,28 @@
 							if(!witness_used.includes(y)){
 								var sw = coinjs.segwitAddress(this.witness[y][1]);
 								var b32 = coinjs.bech32Address(this.witness[y][1]);
-								if(this.ins[i].script.chunks.length>0){
-									if((sw['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])) || (b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0]))){
-										witness_order.push(this.witness[y]);
-										witness_used.push(y);
-										if(b32['redeemscript'] == Crypto.util.bytesToHex(this.ins[i].script.chunks[0])){
-											this.ins[index].script = coinjs.script();
-										}
-										break;
+								var rs = '';
+
+								if(this.ins[i].script.chunks.length>=1){
+									rs = Crypto.util.bytesToHex(this.ins[i].script.chunks[0]);
+								} else if (this.ins[i].script.chunks.length==0){
+									rs = b32['redeemscript'];
+								}
+
+								if((sw['redeemscript'] == rs) || (b32['redeemscript'] == rs)){
+									witness_order.push(this.witness[y]);
+									witness_used.push(y);
+
+									// bech32, empty redeemscript
+									if(b32['redeemscript'] == rs){
+										this.ins[index].script = coinjs.script();
 									}
+									break;
 								}
 							}
 						}
 					}
+
 					this.witness = witness_order;
 				}
 			}
diff --git a/sha1sum b/sha1sum
index 96c461bc..c2551e06 100644
--- a/sha1sum
+++ b/sha1sum
@@ -1,9 +1,9 @@
----- Version 1.4 2018.06.17 ---
+---- Version 1.4 2018.06.19 ---
 77e4519962e2f6a9fc93342137dbb31c33b76b04  ./js/aes.js
 3a09a8fc0cfe828b57fc798d668234d0490ee1a6  ./js/bootstrap-datetimepicker.min.js
 253711c6d825de55a8360552573be950da180614  ./js/bootstrap.min.js
 988f99187ab356bc5d12b61572f463e1785c15c2  ./js/coinbin.js
-776a3e2ae1e5835cf0c290987ac5343d8f57ad73  ./js/coin.js
+8b4163122d907f9c363b9afd8809490f5ba202c8  ./js/coin.js
 988565bc2cb402d63ed5c5fd7ff47c4278efc2c5  ./js/collapse.js
 9ba5ede3d7f9d4c8fd623395f196adfdcf7e970f  ./js/crypto-min.js
 f7c09f2f5a721371e7d478050119f7e2d58e3ef9  ./js/crypto-sha256-hmac.js