61 lines
2.6 KiB
Python
61 lines
2.6 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 where the coinstake input prevout is spent on main chain,
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but not on the fork branch. These blocks must be accepted.
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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 PoSFakeStakeAccepted(Agrarian_FakeStakeTest):
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def run_test(self):
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self.description = "Covers the scenario of a valid PoS block where the coinstake input prevout is spent on main chain, but not on the fork branch. These blocks must be accepted."
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self.init_test()
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INITAL_MINED_BLOCKS = 200 # First mined blocks (rewards collected to spend)
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FORK_DEPTH = 50 # number of blocks after INITIAL_MINED_BLOCKS before the coins are spent
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MORE_MINED_BLOCKS = 10 # number of blocks after spending of the collected coins
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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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staking_utxo_list = self.node.listunspent()
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sleep(2)
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# 3) Mine more blocks
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self.log.info("Mining %d more blocks.." % (FORK_DEPTH+1))
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self.node.generate(FORK_DEPTH+1)
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sleep(2)
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# 4) Spend the coins collected in 2 (mined in the first 100 blocks)
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self.log.info("Spending the coins mined in the first %d blocks..." % INITAL_MINED_BLOCKS)
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tx_hashes = self.spend_utxos(staking_utxo_list)
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self.log.info("Spent %d transactions" % len(tx_hashes))
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sleep(2)
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# 5) Mine 10 more blocks
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self.log.info("Mining %d more blocks to include the TXs in chain..." % MORE_MINED_BLOCKS)
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self.node.generate(MORE_MINED_BLOCKS)
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sleep(2)
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# 6) 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("Fork", staking_utxo_list, fRandomHeight=True, randomRange=FORK_DEPTH, randomRange2=MORE_MINED_BLOCKS-2, fMustPass=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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PoSFakeStakeAccepted().main()
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