def _verify_signature(self, inputs, tx):
if (tx.sigtype == Transaction.SigType.utxo):
for input_utxo in inputs:
if (input_utxo['spending_sig'] == ZERO_SIGNATURE or get_sender(input_utxo['spending_tx_hash'], input_utxo['spending_sig']) != input_utxo['owner']):
raise InvalidTxSignatureException()
elif (tx.sigtype == Transaction.SigType.txn):
if (tx.txnsig == ZERO_SIGNATURE):
raise InvalidTxSignatureException()
signature_address = recoverPersonalSignature(tx.readable_str, tx.txnsig)
print("signature_address is %s" % signature_address.hex())
for input_utxo in inputs:
if input_utxo['utxotype'] == Transaction.UTXOType.transfer:
if input_utxo['owner'] != signature_address:
raise InvalidTxSignatureException()
def sender2(self):
return get_sender(self.hash, self.sig2)
def sender1(self):
return get_sender(self.hash, self.sig1)
def test_signature(t, block):
block.sign(t.k0)
assert block.sig == sign(block.hash, t.k0)
assert block.sender == get_sender(block.hash, sign(block.hash, t.k0))