From 5c0fbfe953de3f0800c6f72bf62e050c800a610b Mon Sep 17 00:00:00 2001
From: tripathyr <rohit.tripathy@gmail.com>
Date: Tue, 18 Oct 2022 19:07:25 +0530
Subject: [PATCH] Update lib_btc.js

---
 lib_btc.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib_btc.js b/lib_btc.js
index 381f604..06f8244 100644
--- a/lib_btc.js
+++ b/lib_btc.js
@@ -544,7 +544,20 @@
                 'redeemscript': Crypto.util.bytesToHex(program)
             };
         }
+       
+        coinjs.multisigBech32Address = function (raw_redeemscript) {
+           var t1,t2;
 
+           t1 = Crypto.SHA256(Crypto.util.hexToBytes(raw_redeemscript));
+           t2 = btc_api.encodeBech32(t1,0,"bc");
+
+            return {
+                'address': t2,
+                'type': 'multisigBech32',
+                'redeemscript': t1
+            };
+        }
+        
         /* extract the redeemscript from a bech32 address */
         coinjs.bech32redeemscript = function (address) {
             var r = false;
@@ -555,7 +568,7 @@
             }
             return r;
         }
-
+       
         /* provide a privkey and return an WIF  */
         coinjs.privkey2wif = function (h) {
             var r = Crypto.util.hexToBytes(h);