55 lines
2.0 KiB
Python
55 lines
2.0 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 valid PoS block with a valid coinstake transaction where the
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coinstake input prevout is double spent in one of the other transactions in the same block.
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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 PoSDoubleSpend(Agrarian_FakeStakeTest):
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def run_test(self):
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self.description = "Covers the scenario of a valid PoS block with a valid coinstake transaction where the coinstake input prevout is double spent in one of the other transactions in the same block."
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self.init_test()
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INITAL_MINED_BLOCKS = 300
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FORK_DEPTH = 30
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self.NUM_BLOCKS = 3
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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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staking_utxo_list = self.node.listunspent()
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# 3) Spam Blocks on the main chain
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self.log.info("-- Main chain blocks first")
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self.test_spam("Main", staking_utxo_list, fDoubleSpend=True)
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sleep(2)
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# 4) Mine some block as buffer
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self.log.info("Mining %d more blocks..." % FORK_DEPTH)
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self.node.generate(FORK_DEPTH)
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sleep(2)
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# 5) Spam Blocks on a forked chain
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self.log.info("-- Forked chain blocks now")
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err_msgs = self.test_spam("Forked", staking_utxo_list, fRandomHeight=True, randomRange=FORK_DEPTH, fDoubleSpend=True)
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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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PoSDoubleSpend().main()
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