From ecb18acb0fd5ad03e60a81a9d843079a60be24ff Mon Sep 17 00:00:00 2001
From: btc <btc@coinb.in>
Date: Wed, 20 Sep 2017 09:56:20 +0000
Subject: [PATCH] code was missing for the segwit feature from the #wallet
 section

---
 index.html    |  4 ++--
 js/coin.js    | 14 ++++++++++++--
 js/coinbin.js |  7 +++----
 sha1sum       |  8 ++++----
 4 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/index.html b/index.html
index df9422f..81f64c8 100644
--- a/index.html
+++ b/index.html
@@ -5,8 +5,8 @@
 		<title>Bitcoin Wallet by Coinb.in</title>
 
         	<meta http-equiv="content-type" content="text/html;charset=utf-8" />
-		<meta name="keywords" content="bitcoin, wallet, multisig, multisignature, address, browser, javascript, js, broadcast, transaction, verify, decode" />
-		<meta name="description" content="A Bitcoin Wallet written in Javascript. Supports Multisig, Custom Transactions, nLockTime and more!" />
+		<meta name="keywords" content="bitcoin, wallet, multisig, multisignature, address, browser, segwit, javascript, js, broadcast, transaction, verify, decode" />
+		<meta name="description" content="A Bitcoin Wallet written in Javascript. Supports Multisig, SegWit, Custom Transactions, nLockTime and more!" />
 
 		<meta http-equiv="X-UA-Compatible" content="IE=edge">
 		<meta name="viewport" content="width=device-width, initial-scale=1.0">
diff --git a/js/coin.js b/js/coin.js
index 20294f5..054f3ab 100644
--- a/js/coin.js
+++ b/js/coin.js
@@ -876,7 +876,7 @@
 		}
 
 		/* add unspent to transaction */
-		r.addUnspent = function(address, callback, script){
+		r.addUnspent = function(address, callback, script, segwit){
 			var self = this;
 			this.listUnspent(address, function(data){
 				var s = coinjs.script();
@@ -902,8 +902,18 @@
 					var n = u.getElementsByTagName("tx_output_n")[0].childNodes[0].nodeValue;
 					var scr = script || u.getElementsByTagName("script")[0].childNodes[0].nodeValue;
 
-					self.addinput(txhash, n, scr);
+					if(segwit){
+						/* this is a small hack to include the value with the redeemscript to make the signing procedure smoother. 
+						It is not standard and removed during the signing procedure. */
 
+						s = coinjs.script();
+						s.writeBytes(Crypto.util.hexToBytes(script));
+						s.writeOp(0);
+						s.writeBytes(coinjs.numToBytes(u.getElementsByTagName("value")[0].childNodes[0].nodeValue*1, 8));
+						scr = Crypto.util.bytesToHex(s.buffer);
+					}
+
+					self.addinput(txhash, n, scr);
 					value += u.getElementsByTagName("value")[0].childNodes[0].nodeValue*1;
 					total++;
 				}
diff --git a/js/coinbin.js b/js/coinbin.js
index 597fe41..5238998 100644
--- a/js/coinbin.js
+++ b/js/coinbin.js
@@ -124,7 +124,7 @@ $(document).ready(function() {
 		var script = false;
 		if($("#walletSegwit").is(":checked")){
 			var sw = coinjs.segwitAddress($("#walletKeys .pubkey").val());
-			scrip = sw.redeemscript;			
+			script = sw.redeemscript;
 		}
 
 		tx.addUnspent($("#walletAddress").html(), function(data){
@@ -148,7 +148,7 @@ $(document).ready(function() {
 				// and finally broadcast!
 				tx2.broadcast(function(data){
 					if($(data).find("result").text()=="1"){
-						$("#walletSendConfirmStatus").removeClass('hidden').addClass('alert-success').html("txid: "+$(data).find("txid").text());
+						$("#walletSendConfirmStatus").removeClass('hidden').addClass('alert-success').html('txid: <a href="https://coinb.in/tx/'+$(data).find("txid").text()+'" target="_blank">'+$(data).find("txid").text()+'</a>');
 					} else {
 						$("#walletSendConfirmStatus").removeClass('hidden').addClass('alert-danger').html(unescape($(data).find("response").text()).replace(/\+/g,' '));
 						$("#walletSendFailTransaction").removeClass('hidden');
@@ -167,7 +167,7 @@ $(document).ready(function() {
 
 			$("#walletLoader").addClass("hidden");
 
-		}, script);
+		}, script, script);
 	});
 
 	$("#walletSendBtn").click(function(){
@@ -1262,7 +1262,6 @@ $(document).ready(function() {
 		var tx = coinjs.transaction();
 		try {
 			var decode = tx.deserialize($("#verifyScript").val());
-		//	console.log(decode);
 			$("#verifyTransactionData .transactionVersion").html(decode['version']);
 			$("#verifyTransactionData .transactionSize").html(decode.size()+' <i>bytes</i>');
 			$("#verifyTransactionData .transactionLockTime").html(decode['lock_time']);
diff --git a/sha1sum b/sha1sum
index a45746c..62a5f36 100644
--- a/sha1sum
+++ b/sha1sum
@@ -1,9 +1,9 @@
----- Version 1.3 2017.09.16 ----
+---- Version 1.3 2017.09.20 ----
 77e4519962e2f6a9fc93342137dbb31c33b76b04  ./js/aes.js
 3a09a8fc0cfe828b57fc798d668234d0490ee1a6  ./js/bootstrap-datetimepicker.min.js
 253711c6d825de55a8360552573be950da180614  ./js/bootstrap.min.js
-618db47822494e730a8fa93cfab985332872b93e  ./js/coinbin.js
-b2b1b00455dd2d1f168dc68b6efdbb1de817b5d0  ./js/coin.js
+3ac0e33ea28610e6f784658efcd88802bdd18119  ./js/coinbin.js
+466bd554f3466c477cd13bb355a4df343749b8b9  ./js/coin.js
 988565bc2cb402d63ed5c5fd7ff47c4278efc2c5  ./js/collapse.js
 9ba5ede3d7f9d4c8fd623395f196adfdcf7e970f  ./js/crypto-min.js
 f7c09f2f5a721371e7d478050119f7e2d58e3ef9  ./js/crypto-sha256-hmac.js
@@ -30,4 +30,4 @@ de51a8494180a6db074af2dee2383f0a363c5b08  ./fonts/glyphicons-halflings-regular.s
 278e49a86e634da6f2a02f3b47dd9d2a8f26210f  ./fonts/glyphicons-halflings-regular.woff
 44bc1850f570972267b169ae18f1cb06b611ffa2  ./fonts/glyphicons-halflings-regular.ttf
 d8a324a13501cd5705dc26b945fc8088f00907ae  ./README.md
-cc101e4b9718116bb767f7cbd04cab816ca32b66  ./index.html
+45bb7cbfe003039b3e527ecc38a18786de55a843  ./index.html