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psbt: test final witness trailing data rejection

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Boris Nagaev 2026-07-06 02:02:15 -05:00
parent 468853e436
commit c87168eba8
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1 changed files with 26 additions and 0 deletions
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26
psbt/psbt_test.go
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@ -787,6 +787,32 @@ func TestPsbtExtractor(t *testing.T) {
}
}
// TestExtractRejectsTrailingFinalScriptWitnessData ensures a final witness
// value must contain exactly one serialized witness stack.
func TestExtractRejectsTrailingFinalScriptWitnessData(t *testing.T) {
tx := wire.NewMsgTx(2)
tx.AddTxIn(wire.NewTxIn(&wire.OutPoint{}, nil, nil))
tx.AddTxOut(wire.NewTxOut(0, []byte{0x6a}))
var witness bytes.Buffer
err := WriteTxWitness(&witness, [][]byte{{0x51}})
require.NoError(t, err)
finalWitness := append([]byte{}, witness.Bytes()...)
finalWitness = append(finalWitness, 0x00)
packet := &Packet{
UnsignedTx: tx,
Inputs: []PInput{{
FinalScriptWitness: finalWitness,
}},
Outputs: []POutput{{}},
}
_, err = Extract(packet)
require.ErrorIs(t, err, ErrInvalidPsbtFormat)
}
func TestFinalizerAddSigHashFlags(t *testing.T) {
var signedPsbtData = map[string]string{
"Default": "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",