test/functional/signrawtransactions.py

   1 #!/usr/bin/env python3
   2 # Copyright (c) 2015-2017 The Bitcoin Core developers
   3 # Distributed under the MIT software license, see the accompanying
   4 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5 """Test transaction signing using the signrawtransaction RPC."""
   6
   7 from test_framework.test_framework import BitcoinTestFramework
   8 from test_framework.util import *
   9
  10
  11 class SignRawTransactionsTest(BitcoinTestFramework):
  12     def set_test_params(self):
  13         self.setup_clean_chain = True
  14         self.num_nodes = 1
  15
  16     def successful_signing_test(self):
  17         """Create and sign a valid raw transaction with one input.
  18
  19         Expected results:
  20
  21         1) The transaction has a complete set of signatures
  22         2) No script verification error occurred"""
  23         privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N', 'cVKpPfVKSJxKqVpE9awvXNWuLHCa5j5tiE7K6zbUSptFpTEtiFrA']
  24
  25         inputs = [
  26             # Valid pay-to-pubkey scripts
  27             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
  28              'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
  29             {'txid': '83a4f6a6b73660e13ee6cb3c6063fa3759c50c9b7521d0536022961898f4fb02', 'vout': 0,
  30              'scriptPubKey': '76a914669b857c03a5ed269d5d85a1ffac9ed5d663072788ac'},
  31         ]
  32
  33         outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  34
  35         rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
  36         rawTxSigned = self.nodes[0].signrawtransaction(rawTx, inputs, privKeys)
  37
  38         # 1) The transaction has a complete set of signatures
  39         assert 'complete' in rawTxSigned
  40         assert_equal(rawTxSigned['complete'], True)
  41
  42         # 2) No script verification error occurred
  43         assert 'errors' not in rawTxSigned
  44
  45     def script_verification_error_test(self):
  46         """Create and sign a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script.
  47
  48         Expected results:
  49
  50         3) The transaction has no complete set of signatures
  51         4) Two script verification errors occurred
  52         5) Script verification errors have certain properties ("txid", "vout", "scriptSig", "sequence", "error")
  53         6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)"""
  54         privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N']
  55
  56         inputs = [
  57             # Valid pay-to-pubkey script
  58             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0},
  59             # Invalid script
  60             {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7},
  61             # Missing scriptPubKey
  62             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 1},
  63         ]
  64
  65         scripts = [
  66             # Valid pay-to-pubkey script
  67             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
  68              'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
  69             # Invalid script
  70             {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7,
  71              'scriptPubKey': 'badbadbadbad'}
  72         ]
  73
  74         outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  75
  76         rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
  77
  78         # Make sure decoderawtransaction is at least marginally sane
  79         decodedRawTx = self.nodes[0].decoderawtransaction(rawTx)
  80         for i, inp in enumerate(inputs):
  81             assert_equal(decodedRawTx["vin"][i]["txid"], inp["txid"])
  82             assert_equal(decodedRawTx["vin"][i]["vout"], inp["vout"])
  83
  84         # Make sure decoderawtransaction throws if there is extra data
  85         assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, rawTx + "00")
  86
  87         rawTxSigned = self.nodes[0].signrawtransaction(rawTx, scripts, privKeys)
  88
  89         # 3) The transaction has no complete set of signatures
  90         assert 'complete' in rawTxSigned
  91         assert_equal(rawTxSigned['complete'], False)
  92
  93         # 4) Two script verification errors occurred
  94         assert 'errors' in rawTxSigned
  95         assert_equal(len(rawTxSigned['errors']), 2)
  96
  97         # 5) Script verification errors have certain properties
  98         assert 'txid' in rawTxSigned['errors'][0]
  99         assert 'vout' in rawTxSigned['errors'][0]
 100         assert 'witness' in rawTxSigned['errors'][0]
 101         assert 'scriptSig' in rawTxSigned['errors'][0]
 102         assert 'sequence' in rawTxSigned['errors'][0]
 103         assert 'error' in rawTxSigned['errors'][0]
 104
 105         # 6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)
 106         assert_equal(rawTxSigned['errors'][0]['txid'], inputs[1]['txid'])
 107         assert_equal(rawTxSigned['errors'][0]['vout'], inputs[1]['vout'])
 108         assert_equal(rawTxSigned['errors'][1]['txid'], inputs[2]['txid'])
 109         assert_equal(rawTxSigned['errors'][1]['vout'], inputs[2]['vout'])
 110         assert not rawTxSigned['errors'][0]['witness']
 111
 112         # Now test signing failure for transaction with input witnesses
 113         p2wpkh_raw_tx = "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"
 114
 115         rawTxSigned = self.nodes[0].signrawtransaction(p2wpkh_raw_tx)
 116
 117         # 7) The transaction has no complete set of signatures
 118         assert 'complete' in rawTxSigned
 119         assert_equal(rawTxSigned['complete'], False)
 120
 121         # 8) Two script verification errors occurred
 122         assert 'errors' in rawTxSigned
 123         assert_equal(len(rawTxSigned['errors']), 2)
 124
 125         # 9) Script verification errors have certain properties
 126         assert 'txid' in rawTxSigned['errors'][0]
 127         assert 'vout' in rawTxSigned['errors'][0]
 128         assert 'witness' in rawTxSigned['errors'][0]
 129         assert 'scriptSig' in rawTxSigned['errors'][0]
 130         assert 'sequence' in rawTxSigned['errors'][0]
 131         assert 'error' in rawTxSigned['errors'][0]
 132
 133         # Non-empty witness checked here
 134         assert_equal(rawTxSigned['errors'][1]['witness'], ["304402203609e17b84f6a7d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c4518331561406f90300e8f3358f51928d43c212a8caed02de67eebee01", "025476c2e83188368da1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee6357"])
 135         assert not rawTxSigned['errors'][0]['witness']
 136
 137     def run_test(self):
 138         self.successful_signing_test()
 139         self.script_verification_error_test()
 140
 141
 142 if __name__ == '__main__':
 143     SignRawTransactionsTest().main()