test/functional/signrawtransactions.py

   1 #!/usr/bin/env python3
   2 # Copyright (c) 2015-2016 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 __init__(self):
  13         super().__init__()
  14         self.setup_clean_chain = True
  15         self.num_nodes = 1
  16
  17     def successful_signing_test(self):
  18         """Create and sign a valid raw transaction with one input.
  19
  20         Expected results:
  21
  22         1) The transaction has a complete set of signatures
  23         2) No script verification error occurred"""
  24         privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N', 'cVKpPfVKSJxKqVpE9awvXNWuLHCa5j5tiE7K6zbUSptFpTEtiFrA']
  25
  26         inputs = [
  27             # Valid pay-to-pubkey scripts
  28             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
  29              'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
  30             {'txid': '83a4f6a6b73660e13ee6cb3c6063fa3759c50c9b7521d0536022961898f4fb02', 'vout': 0,
  31              'scriptPubKey': '76a914669b857c03a5ed269d5d85a1ffac9ed5d663072788ac'},
  32         ]
  33
  34         outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  35
  36         rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
  37         rawTxSigned = self.nodes[0].signrawtransaction(rawTx, inputs, privKeys)
  38
  39         # 1) The transaction has a complete set of signatures
  40         assert 'complete' in rawTxSigned
  41         assert_equal(rawTxSigned['complete'], True)
  42
  43         # 2) No script verification error occurred
  44         assert 'errors' not in rawTxSigned
  45
  46         # Check that signrawtransaction doesn't blow up on garbage merge attempts
  47         dummyTxInconsistent = self.nodes[0].createrawtransaction([inputs[0]], outputs)
  48         rawTxUnsigned = self.nodes[0].signrawtransaction(rawTx + dummyTxInconsistent, inputs)
  49
  50         assert 'complete' in rawTxUnsigned
  51         assert_equal(rawTxUnsigned['complete'], False)
  52
  53         # Check that signrawtransaction properly merges unsigned and signed txn, even with garbage in the middle
  54         rawTxSigned2 = self.nodes[0].signrawtransaction(rawTxUnsigned["hex"] + dummyTxInconsistent + rawTxSigned["hex"], inputs)
  55
  56         assert 'complete' in rawTxSigned2
  57         assert_equal(rawTxSigned2['complete'], True)
  58
  59         assert 'errors' not in rawTxSigned2
  60
  61
  62     def script_verification_error_test(self):
  63         """Create and sign a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script.
  64
  65         Expected results:
  66
  67         3) The transaction has no complete set of signatures
  68         4) Two script verification errors occurred
  69         5) Script verification errors have certain properties ("txid", "vout", "scriptSig", "sequence", "error")
  70         6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)"""
  71         privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N']
  72
  73         inputs = [
  74             # Valid pay-to-pubkey script
  75             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0},
  76             # Invalid script
  77             {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7},
  78             # Missing scriptPubKey
  79             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 1},
  80         ]
  81
  82         scripts = [
  83             # Valid pay-to-pubkey script
  84             {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
  85              'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
  86             # Invalid script
  87             {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7,
  88              'scriptPubKey': 'badbadbadbad'}
  89         ]
  90
  91         outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  92
  93         rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
  94
  95         # Make sure decoderawtransaction is at least marginally sane
  96         decodedRawTx = self.nodes[0].decoderawtransaction(rawTx)
  97         for i, inp in enumerate(inputs):
  98             assert_equal(decodedRawTx["vin"][i]["txid"], inp["txid"])
  99             assert_equal(decodedRawTx["vin"][i]["vout"], inp["vout"])
 100
 101         # Make sure decoderawtransaction throws if there is extra data
 102         assert_raises(JSONRPCException, self.nodes[0].decoderawtransaction, rawTx + "00")
 103
 104         rawTxSigned = self.nodes[0].signrawtransaction(rawTx, scripts, privKeys)
 105
 106         # 3) The transaction has no complete set of signatures
 107         assert 'complete' in rawTxSigned
 108         assert_equal(rawTxSigned['complete'], False)
 109
 110         # 4) Two script verification errors occurred
 111         assert 'errors' in rawTxSigned
 112         assert_equal(len(rawTxSigned['errors']), 2)
 113
 114         # 5) Script verification errors have certain properties
 115         assert 'txid' in rawTxSigned['errors'][0]
 116         assert 'vout' in rawTxSigned['errors'][0]
 117         assert 'scriptSig' in rawTxSigned['errors'][0]
 118         assert 'sequence' in rawTxSigned['errors'][0]
 119         assert 'error' in rawTxSigned['errors'][0]
 120
 121         # 6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)
 122         assert_equal(rawTxSigned['errors'][0]['txid'], inputs[1]['txid'])
 123         assert_equal(rawTxSigned['errors'][0]['vout'], inputs[1]['vout'])
 124         assert_equal(rawTxSigned['errors'][1]['txid'], inputs[2]['txid'])
 125         assert_equal(rawTxSigned['errors'][1]['vout'], inputs[2]['vout'])
 126
 127     def run_test(self):
 128         self.successful_signing_test()
 129         self.script_verification_error_test()
 130
 131
 132 if __name__ == '__main__':
 133     SignRawTransactionsTest().main()