package test import ( "context" "github.com/btcsuite/btcd/wire" "github.com/lightningnetwork/lnd/input" ) type mockSigner struct { } func (s *mockSigner) SignOutputRaw(ctx context.Context, tx *wire.MsgTx, signDescriptors []*input.SignDescriptor) ([][]byte, error) { rawSigs := [][]byte{{1, 2, 3}} return rawSigs, nil }