From ad7577c4e2d74341ecedfee56b45b185b8d81c90 Mon Sep 17 00:00:00 2001
From: Jonathan Underwood <junderwood@bitcoinbank.co.jp>
Date: Mon, 9 Dec 2019 10:40:05 +0900
Subject: [PATCH] Update ts_src/psbt.ts

Co-Authored-By: d-yokoi <d-yokoi@users.noreply.github.com>
---
 ts_src/psbt.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ts_src/psbt.ts b/ts_src/psbt.ts
index d0f2e6b..207ec66 100644
--- a/ts_src/psbt.ts
+++ b/ts_src/psbt.ts
@@ -765,7 +765,7 @@ function hasSigs(
       .map(pkey => {
         const pubkey = ecPairFromPublicKey(pkey, { compressed: true })
           .publicKey;
-        return partialSig.filter(pSig => pSig.pubkey.equals(pubkey))[0];
+        return partialSig.find(pSig => pSig.pubkey.equals(pubkey));
       })
       .filter(v => !!v);
   } else {