import unittest import common import binascii import trezorlib.messages_pb2 as proto import trezorlib.types_pb2 as proto_types # address_n = [177] < 68 # address_n = [16518] < 66 class TestZeroSig(common.TrezorTest): ''' def test_mine_zero_signature(self): # tx: d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882 # input 0: 0.0039 BTC inp1 = proto_types.TxInputType(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e # amount=390000, prev_hash=binascii.unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'), prev_index=0, ) msg = self.client._prepare_sign_tx('Bitcoin', [inp1, ], []) for n in range(3500, 200000): out1 = proto_types.TxOutputType(address_n=[n], amount=390000 - 10000, script_type=proto_types.PAYTOADDRESS, ) msg.ClearField('outputs') msg.outputs.extend([out1, ]) tx = self.client.call(msg) siglen = ord(tx.serialized_tx[44]) print siglen if siglen < 67: print "!!!!", n print binascii.hexlify(tx.serialized_tx) return ''' def test_one_zero_signature(self): self.setup_mnemonic_nopin_nopassphrase() inp1 = proto_types.TxInputType(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e # amount=390000, prev_hash=binascii.unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'), prev_index=0, ) # Following address_n has been mined by 'test_mine_zero_signature' out1 = proto_types.TxOutputType(address_n=[177], amount=390000 - 10000, script_type=proto_types.PAYTOADDRESS, ) (signatures, serialized_tx) = self.client.sign_tx('Bitcoin', [inp1, ], [out1, ]) siglen = ord(serialized_tx[44]) # Trezor must strip leading zero from signature self.assertEqual(siglen, 67) def test_two_zero_signature(self): self.setup_mnemonic_nopin_nopassphrase() inp1 = proto_types.TxInputType(address_n=[0], # 14LmW5k4ssUrtbAB4255zdqv3b4w1TuX9e # amount=390000, prev_hash=binascii.unhexlify('d5f65ee80147b4bcc70b75e4bbf2d7382021b871bd8867ef8fa525ef50864882'), prev_index=0, ) # Following address_n has been mined by 'test_mine_zero_signature' out1 = proto_types.TxOutputType(address_n=[16518], amount=390000 - 10000, script_type=proto_types.PAYTOADDRESS, ) (signatures, serialized_tx) = self.client.sign_tx('Bitcoin', [inp1, ], [out1, ]) siglen = ord(serialized_tx[44]) # Trezor must strip leading zero from signature self.assertEqual(siglen, 66) if __name__ == '__main__': unittest.main()