59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2019 The PIVX developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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'''
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Covers the scenario of a PoS block where the coinstake input prevout is already spent.
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'''
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from time import sleep
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from fake_stake.base_test import Agrarian_FakeStakeTest
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class PoSFakeStake(Agrarian_FakeStakeTest):
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def run_test(self):
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self.description = "Covers the scenario of a PoS block where the coinstake input prevout is already spent."
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self.init_test()
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INITAL_MINED_BLOCKS = 150 # First mined blocks (rewards collected to spend)
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MORE_MINED_BLOCKS = 100 # Blocks mined after spending
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STAKE_AMPL_ROUNDS = 2 # Rounds of stake amplification
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self.NUM_BLOCKS = 3 # Number of spammed blocks
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# 1) Starting mining blocks
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self.log.info("Mining %d blocks.." % INITAL_MINED_BLOCKS)
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self.node.generate(INITAL_MINED_BLOCKS)
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# 2) Collect the possible prevouts
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self.log.info("Collecting all unspent coins which we generated from mining...")
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# 3) Create 10 addresses - Do the stake amplification
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self.log.info("Performing the stake amplification (%d rounds)..." % STAKE_AMPL_ROUNDS)
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utxo_list = self.node.listunspent()
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address_list = []
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for i in range(10):
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address_list.append(self.node.getnewaddress())
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utxo_list = self.stake_amplification(utxo_list, STAKE_AMPL_ROUNDS, address_list)
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self.log.info("Done. Utxo list has %d elements." % len(utxo_list))
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sleep(2)
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# 4) Start mining again so that spent prevouts get confirmted in a block.
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self.log.info("Mining %d more blocks..." % MORE_MINED_BLOCKS)
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self.node.generate(MORE_MINED_BLOCKS)
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sleep(2)
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# 5) Create "Fake Stake" blocks and send them
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self.log.info("Creating Fake stake blocks")
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err_msgs = self.test_spam("Main", utxo_list)
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if not len(err_msgs) == 0:
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self.log.error("result: " + " | ".join(err_msgs))
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raise AssertionError("TEST FAILED")
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self.log.info("%s PASSED" % self.__class__.__name__)
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if __name__ == '__main__':
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PoSFakeStake().main()
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