text: #!/usr/bin/env python3
  # Copyright (c) 2015-2017 The Usdecoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test transaction signing using the signrawtransaction* RPCs."""
  
  from test_framework.test_framework import UsdecoinTestFramework
  from test_framework.util import *
  
  
  class SignRawTransactionsTest(UsdecoinTestFramework):
      def set_test_params(self):
          self.setup_clean_chain = True
          self.num_nodes = 1
          self.extra_args = [["-deprecatedrpc=signrawtransaction"]]
  
      def successful_signing_test(self):
          """Create and sign a valid raw transaction with one input.
  
          Expected results:
  
          1) The transaction has a complete set of signatures
          2) No script verification error occurred"""
          privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N', 'cVKpPfVKSJxKqVpE9awvXNWuLHCa5j5tiE7K6zbUSptFpTEtiFrA']
  
          inputs = [
              # Valid pay-to-pubkey scripts
              {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
               'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
              {'txid': '83a4f6a6b73660e13ee6cb3c6063fa3759c50c9b7521d0536022961898f4fb02', 'vout': 0,
               'scriptPubKey': '76a914669b857c03a5ed269d5d85a1ffac9ed5d663072788ac'},
          ]
  
          outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  
          rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
          rawTxSigned = self.nodes[0].signrawtransactionwithkey(rawTx, privKeys, inputs)
  
          # 1) The transaction has a complete set of signatures
          assert rawTxSigned['complete']
  
          # 2) No script verification error occurred
          assert 'errors' not in rawTxSigned
  
          # Perform the same test on signrawtransaction
          rawTxSigned2 = self.nodes[0].signrawtransaction(rawTx, inputs, privKeys)
          assert_equal(rawTxSigned, rawTxSigned2)
  
      def script_verification_error_test(self):
          """Create and sign a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script.
  
          Expected results:
  
          3) The transaction has no complete set of signatures
          4) Two script verification errors occurred
          5) Script verification errors have certain properties ("txid", "vout", "scriptSig", "sequence", "error")
          6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)"""
          privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N']
  
          inputs = [
              # Valid pay-to-pubkey script
              {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0},
              # Invalid script
              {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7},
              # Missing scriptPubKey
              {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 1},
          ]
  
          scripts = [
              # Valid pay-to-pubkey script
              {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0,
               'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'},
              # Invalid script
              {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7,
               'scriptPubKey': 'badbadbadbad'}
          ]
  
          outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1}
  
          rawTx = self.nodes[0].createrawtransaction(inputs, outputs)
  
          # Make sure decoderawtransaction is at least marginally sane
          decodedRawTx = self.nodes[0].decoderawtransaction(rawTx)
          for i, inp in enumerate(inputs):
              assert_equal(decodedRawTx["vin"][i]["txid"], inp["txid"])
              assert_equal(decodedRawTx["vin"][i]["vout"], inp["vout"])
  
          # Make sure decoderawtransaction throws if there is extra data
          assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, rawTx + "00")
  
          rawTxSigned = self.nodes[0].signrawtransactionwithkey(rawTx, privKeys, scripts)
  
          # 3) The transaction has no complete set of signatures
          assert not rawTxSigned['complete']
  
          # 4) Two script verification errors occurred
          assert 'errors' in rawTxSigned
          assert_equal(len(rawTxSigned['errors']), 2)
  
          # 5) Script verification errors have certain properties
          assert 'txid' in rawTxSigned['errors'][0]
          assert 'vout' in rawTxSigned['errors'][0]
          assert 'witness' in rawTxSigned['errors'][0]
          assert 'scriptSig' in rawTxSigned['errors'][0]
          assert 'sequence' in rawTxSigned['errors'][0]
          assert 'error' in rawTxSigned['errors'][0]
  
          # 6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)
          assert_equal(rawTxSigned['errors'][0]['txid'], inputs[1]['txid'])
          assert_equal(rawTxSigned['errors'][0]['vout'], inputs[1]['vout'])
          assert_equal(rawTxSigned['errors'][1]['txid'], inputs[2]['txid'])
          assert_equal(rawTxSigned['errors'][1]['vout'], inputs[2]['vout'])
          assert not rawTxSigned['errors'][0]['witness']
  
          # Perform same test with signrawtransaction
          rawTxSigned2 = self.nodes[0].signrawtransaction(rawTx, scripts, privKeys)
          assert_equal(rawTxSigned, rawTxSigned2)
  
          # Now test signing failure for transaction with input witnesses
          p2wpkh_raw_tx = "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"
  
          rawTxSigned = self.nodes[0].signrawtransactionwithwallet(p2wpkh_raw_tx)
  
          # 7) The transaction has no complete set of signatures
          assert not rawTxSigned['complete']
  
          # 8) Two script verification errors occurred
          assert 'errors' in rawTxSigned
          assert_equal(len(rawTxSigned['errors']), 2)
  
          # 9) Script verification errors have certain properties
          assert 'txid' in rawTxSigned['errors'][0]
          assert 'vout' in rawTxSigned['errors'][0]
          assert 'witness' in rawTxSigned['errors'][0]
          assert 'scriptSig' in rawTxSigned['errors'][0]
          assert 'sequence' in rawTxSigned['errors'][0]
          assert 'error' in rawTxSigned['errors'][0]
  
          # Non-empty witness checked here
          assert_equal(rawTxSigned['errors'][1]['witness'], ["304402203609e17b84f6a7d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c4518331561406f90300e8f3358f51928d43c212a8caed02de67eebee01", "025476c2e83188368da1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee6357"])
          assert not rawTxSigned['errors'][0]['witness']
  
          # Perform same test with signrawtransaction
          rawTxSigned2 = self.nodes[0].signrawtransaction(p2wpkh_raw_tx)
          assert_equal(rawTxSigned, rawTxSigned2)
  
      def run_test(self):
          self.successful_signing_test()
          self.script_verification_error_test()
  
  
  if __name__ == '__main__':
      SignRawTransactionsTest().main()
  