From c354fd8f703bf54f58c2273dae98b4bc00f4f0f9 Mon Sep 17 00:00:00 2001
From: Elle Mouton <elle.mouton@gmail.com>
Date: Fri, 7 Feb 2025 15:27:41 +0200
Subject: [PATCH] lnmock: let MockChain also implement lnwallet.BlockChainIO

Note that a compile-time assertion was not added as this leads to an
import cycle.
---
 lnmock/chain.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/lnmock/chain.go b/lnmock/chain.go
index c20a89373..1470513b6 100644
--- a/lnmock/chain.go
+++ b/lnmock/chain.go
@@ -74,6 +74,18 @@ func (m *MockChain) GetBlockHeader(hash *chainhash.Hash) (
 	return args.Get(0).(*wire.BlockHeader), args.Error(1)
 }
 
+func (m *MockChain) GetUtxo(op *wire.OutPoint, pkScript []byte,
+	heightHint uint32, cancel <-chan struct{}) (*wire.TxOut, error) {
+
+	args := m.Called(op, pkScript, heightHint, cancel)
+
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+
+	return args.Get(0).(*wire.TxOut), args.Error(1)
+}
+
 func (m *MockChain) IsCurrent() bool {
 	args := m.Called()