text: #!/usr/bin/env python3
  # Copyright (c) 2018-2020 The Finalcoin Core developers
  # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  """Test the scantxoutset rpc call."""
  from test_framework.test_framework import FinalcoinTestFramework
  from test_framework.util import assert_equal, assert_raises_rpc_error
  
  from decimal import Decimal
  import shutil
  import os
  
  def descriptors(out):
      return sorted(u['desc'] for u in out['unspents'])
  
  class ScantxoutsetTest(FinalcoinTestFramework):
      def set_test_params(self):
          self.num_nodes = 1
          self.setup_clean_chain = True
  
      def skip_test_if_missing_module(self):
          self.skip_if_no_wallet()
  
      def run_test(self):
          self.log.info("Mining blocks...")
          self.generate(self.nodes[0], 110)
  
          addr_P2SH_SEGWIT = self.nodes[0].getnewaddress("", "p2sh-segwit")
          pubk1 = self.nodes[0].getaddressinfo(addr_P2SH_SEGWIT)['pubkey']
          addr_LEGACY = self.nodes[0].getnewaddress("", "legacy")
          pubk2 = self.nodes[0].getaddressinfo(addr_LEGACY)['pubkey']
          addr_BECH32 = self.nodes[0].getnewaddress("", "bech32")
          pubk3 = self.nodes[0].getaddressinfo(addr_BECH32)['pubkey']
          self.nodes[0].sendtoaddress(addr_P2SH_SEGWIT, 0.001)
          self.nodes[0].sendtoaddress(addr_LEGACY, 0.002)
          self.nodes[0].sendtoaddress(addr_BECH32, 0.004)
  
          #send to child keys of tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK
          self.nodes[0].sendtoaddress("mkHV1C6JLheLoUSSZYk7x3FH5tnx9bu7yc", 0.008) # (m/0'/0'/0')
          self.nodes[0].sendtoaddress("mipUSRmJAj2KrjSvsPQtnP8ynUon7FhpCR", 0.016) # (m/0'/0'/1')
          self.nodes[0].sendtoaddress("n37dAGe6Mq1HGM9t4b6rFEEsDGq7Fcgfqg", 0.032) # (m/0'/0'/1500')
          self.nodes[0].sendtoaddress("mqS9Rpg8nNLAzxFExsgFLCnzHBsoQ3PRM6", 0.064) # (m/0'/0'/0)
          self.nodes[0].sendtoaddress("mnTg5gVWr3rbhHaKjJv7EEEc76ZqHgSj4S", 0.128) # (m/0'/0'/1)
          self.nodes[0].sendtoaddress("mketCd6B9U9Uee1iCsppDJJBHfvi6U6ukC", 0.256) # (m/0'/0'/1500)
          self.nodes[0].sendtoaddress("mj8zFzrbBcdaWXowCQ1oPZ4qioBVzLzAp7", 0.512) # (m/1/1/0')
          self.nodes[0].sendtoaddress("mfnKpKQEftniaoE1iXuMMePQU3PUpcNisA", 1.024) # (m/1/1/1')
          self.nodes[0].sendtoaddress("mou6cB1kaP1nNJM1sryW6YRwnd4shTbXYQ", 2.048) # (m/1/1/1500')
          self.nodes[0].sendtoaddress("mtfUoUax9L4tzXARpw1oTGxWyoogp52KhJ", 4.096) # (m/1/1/0)
          self.nodes[0].sendtoaddress("mxp7w7j8S1Aq6L8StS2PqVvtt4HGxXEvdy", 8.192) # (m/1/1/1)
          self.nodes[0].sendtoaddress("mpQ8rokAhp1TAtJQR6F6TaUmjAWkAWYYBq", 16.384) # (m/1/1/1500)
  
  
          self.generate(self.nodes[0], 1)
  
          self.log.info("Stop node, remove wallet, mine again some blocks...")
          self.stop_node(0)
          shutil.rmtree(os.path.join(self.nodes[0].datadir, self.chain, 'wallets'))
          self.start_node(0, ['-nowallet'])
          self.import_deterministic_coinbase_privkeys()
          self.generate(self.nodes[0], 110)
  
          scan = self.nodes[0].scantxoutset("start", [])
          info = self.nodes[0].gettxoutsetinfo()
          assert_equal(scan['success'], True)
          assert_equal(scan['height'], info['height'])
          assert_equal(scan['txouts'], info['txouts'])
          assert_equal(scan['bestblock'], info['bestblock'])
  
          self.restart_node(0, ['-nowallet'])
          self.log.info("Test if we have found the non HD unspent outputs.")
          assert_equal(self.nodes[0].scantxoutset("start", [ "pkh(" + pubk1 + ")", "pkh(" + pubk2 + ")", "pkh(" + pubk3 + ")"])['total_amount'], Decimal("0.002"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "wpkh(" + pubk1 + ")", "wpkh(" + pubk2 + ")", "wpkh(" + pubk3 + ")"])['total_amount'], Decimal("0.004"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "sh(wpkh(" + pubk1 + "))", "sh(wpkh(" + pubk2 + "))", "sh(wpkh(" + pubk3 + "))"])['total_amount'], Decimal("0.001"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(" + pubk1 + ")", "combo(" + pubk2 + ")", "combo(" + pubk3 + ")"])['total_amount'], Decimal("0.007"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "addr(" + addr_P2SH_SEGWIT + ")", "addr(" + addr_LEGACY + ")", "addr(" + addr_BECH32 + ")"])['total_amount'], Decimal("0.007"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "addr(" + addr_P2SH_SEGWIT + ")", "addr(" + addr_LEGACY + ")", "combo(" + pubk3 + ")"])['total_amount'], Decimal("0.007"))
  
          self.log.info("Test range validation.")
          assert_raises_rpc_error(-8, "End of range is too high", self.nodes[0].scantxoutset, "start", [ {"desc": "desc", "range": -1}])
          assert_raises_rpc_error(-8, "Range should be greater or equal than 0", self.nodes[0].scantxoutset, "start", [ {"desc": "desc", "range": [-1, 10]}])
          assert_raises_rpc_error(-8, "End of range is too high", self.nodes[0].scantxoutset, "start", [ {"desc": "desc", "range": [(2 << 31 + 1) - 1000000, (2 << 31 + 1)]}])
          assert_raises_rpc_error(-8, "Range specified as [begin,end] must not have begin after end", self.nodes[0].scantxoutset, "start", [ {"desc": "desc", "range": [2, 1]}])
          assert_raises_rpc_error(-8, "Range is too large", self.nodes[0].scantxoutset, "start", [ {"desc": "desc", "range": [0, 1000001]}])
  
          self.log.info("Test extended key derivation.")
          # Run various scans, and verify that the sum of the amounts of the matches corresponds to the expected subset.
          # Note that all amounts in the UTXO set are powers of 2 multiplied by 0.001 BTC, so each amounts uniquely identifies a subset.
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0h/0h)"])['total_amount'], Decimal("0.008"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0'/1h)"])['total_amount'], Decimal("0.016"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0'/1500')"])['total_amount'], Decimal("0.032"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0h/0)"])['total_amount'], Decimal("0.064"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0h/1)"])['total_amount'], Decimal("0.128"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0'/1500)"])['total_amount'], Decimal("0.256"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0h/*h)", "range": 1499}])['total_amount'], Decimal("0.024"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0'/*h)", "range": 1500}])['total_amount'], Decimal("0.056"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0'/*)", "range": 1499}])['total_amount'], Decimal("0.192"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0'/0h/*)", "range": 1500}])['total_amount'], Decimal("0.448"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/0')"])['total_amount'], Decimal("0.512"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/1')"])['total_amount'], Decimal("1.024"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/1500h)"])['total_amount'], Decimal("2.048"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/0)"])['total_amount'], Decimal("4.096"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/1)"])['total_amount'], Decimal("8.192"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/1500)"])['total_amount'], Decimal("16.384"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/0)"])['total_amount'], Decimal("4.096"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo([abcdef88/1/2'/3/4h]tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/1)"])['total_amount'], Decimal("8.192"))
          assert_equal(self.nodes[0].scantxoutset("start", [ "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/1500)"])['total_amount'], Decimal("16.384"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/*')", "range": 1499}])['total_amount'], Decimal("1.536"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/*')", "range": 1500}])['total_amount'], Decimal("3.584"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/*)", "range": 1499}])['total_amount'], Decimal("12.288"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/*)", "range": 1500}])['total_amount'], Decimal("28.672"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": 1499}])['total_amount'], Decimal("12.288"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": 1500}])['total_amount'], Decimal("28.672"))
          assert_equal(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": [1500,1500]}])['total_amount'], Decimal("16.384"))
  
          # Test the reported descriptors for a few matches
          assert_equal(descriptors(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/0h/0'/*)", "range": 1499}])), ["pkh([0c5f9a1e/0'/0'/0]026dbd8b2315f296d36e6b6920b1579ca75569464875c7ebe869b536a7d9503c8c)#dzxw429x", "pkh([0c5f9a1e/0'/0'/1]033e6f25d76c00bedb3a8993c7d5739ee806397f0529b1b31dda31ef890f19a60c)#43rvceed"])
          assert_equal(descriptors(self.nodes[0].scantxoutset("start", [ "combo(tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK/1/1/0)"])), ["pkh([0c5f9a1e/1/1/0]03e1c5b6e650966971d7e71ef2674f80222752740fc1dfd63bbbd220d2da9bd0fb)#cxmct4w8"])
          assert_equal(descriptors(self.nodes[0].scantxoutset("start", [ {"desc": "combo(tpubD6NzVbkrYhZ4WaWSyoBvQwbpLkojyoTZPRsgXELWz3Popb3qkjcJyJUGLnL4qHHoQvao8ESaAstxYSnhyswJ76uZPStJRJCTKvosUCJZL5B/1/1/*)", "range": 1500}])), ['pkh([0c5f9a1e/1/1/0]03e1c5b6e650966971d7e71ef2674f80222752740fc1dfd63bbbd220d2da9bd0fb)#cxmct4w8', 'pkh([0c5f9a1e/1/1/1500]03832901c250025da2aebae2bfb38d5c703a57ab66ad477f9c578bfbcd78abca6f)#vchwd07g', 'pkh([0c5f9a1e/1/1/1]030d820fc9e8211c4169be8530efbc632775d8286167afd178caaf1089b77daba7)#z2t3ypsa'])
  
          # Check that status and abort don't need second arg
          assert_equal(self.nodes[0].scantxoutset("status"), None)
          assert_equal(self.nodes[0].scantxoutset("abort"), False)
  
          # Check that second arg is needed for start
          assert_raises_rpc_error(-1, "scanobjects argument is required for the start action", self.nodes[0].scantxoutset, "start")
  
  if __name__ == '__main__':
      ScantxoutsetTest().main()
  