From 427702dbe6a1efd7e8a4c124f6817b899933fe92 Mon Sep 17 00:00:00 2001
From: Oliver Gugger <gugger@gmail.com>
Date: Fri, 10 Jun 2022 20:12:54 +0200
Subject: [PATCH] rpcwallet: use PSBT prev out fetcher

---
 lnwallet/rpcwallet/rpcwallet.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lnwallet/rpcwallet/rpcwallet.go b/lnwallet/rpcwallet/rpcwallet.go
index de47a0759..cb7467752 100644
--- a/lnwallet/rpcwallet/rpcwallet.go
+++ b/lnwallet/rpcwallet/rpcwallet.go
@@ -259,7 +259,8 @@ func (r *RPCKeyRing) FinalizePsbt(packet *psbt.Packet, _ string) error {
 	// ones to sign. If there is any input without witness data that we
 	// cannot sign because it's not our UTXO, this will be a hard failure.
 	tx := packet.UnsignedTx
-	sigHashes := input.NewTxSigHashesV0Only(tx)
+	prevOutFetcher := basewallet.PsbtPrevOutputFetcher(packet)
+	sigHashes := txscript.NewTxSigHashes(tx, prevOutFetcher)
 	for idx, txIn := range tx.TxIn {
 		in := packet.Inputs[idx]