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test/functional/abc_feature_minerfund.py
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| File Mode | null | 100755 |
| #!/usr/bin/env python3 | |||||
| # Copyright (c) 2020 The Bitcoin developers | |||||
| # Distributed under the MIT software license, see the accompanying | |||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
| from test_framework.blocktools import ( | |||||
| create_block, | |||||
| create_coinbase, | |||||
| ) | |||||
| from test_framework.messages import ToHex | |||||
| from test_framework.test_framework import BitcoinTestFramework | |||||
| from test_framework.util import ( | |||||
| assert_equal, | |||||
| assert_greater_than_or_equal, | |||||
| ) | |||||
| from decimal import Decimal | |||||
| AXION_ACTIVATION_TIME = 2000000600 | |||||
| MINER_FUND_RATIO = 8 | |||||
| MINER_FUND_ADDR = 'bchreg:pqnqv9lt7e5vjyp0w88zf2af0l92l8rxdgd35g0pkl' | |||||
| class MinerFundTest(BitcoinTestFramework): | |||||
| def set_test_params(self): | |||||
| self.setup_clean_chain = True | |||||
| self.num_nodes = 1 | |||||
| self.extra_args = [[ | |||||
| '-enableminerfund', | |||||
| '-axionactivationtime={}'.format(AXION_ACTIVATION_TIME), | |||||
| ]] | |||||
| def run_test(self): | |||||
| node = self.nodes[0] | |||||
| address = node.get_deterministic_priv_key().address | |||||
| self.log.info('Create some history') | |||||
| for _ in range(0, 50): | |||||
| node.generatetoaddress(1, address) | |||||
| node = self.nodes[0] | |||||
| address = node.get_deterministic_priv_key().address | |||||
| # Move MTP forward to phonon activation | |||||
| node.setmocktime(AXION_ACTIVATION_TIME) | |||||
| node.generatetoaddress(6, address) | |||||
| assert_equal( | |||||
| node.getblockchaininfo()['mediantime'], | |||||
| AXION_ACTIVATION_TIME) | |||||
| # Let's remember the hash of this block for later use. | |||||
| fork_block_hash = int(node.getbestblockhash(), 16) | |||||
| def get_best_coinbase(): | |||||
| return node.getblock(node.getbestblockhash(), 2)['tx'][0] | |||||
| # No money goes to the fund. | |||||
| coinbase = get_best_coinbase() | |||||
| assert_equal(len(coinbase['vout']), 1) | |||||
| block_reward = coinbase['vout'][0]['value'] | |||||
| # First block with the new rules. | |||||
| node.generatetoaddress(1, address) | |||||
| # Now we send part of the coinbase to the fund. | |||||
| coinbase = get_best_coinbase() | |||||
| assert_equal(len(coinbase['vout']), 2) | |||||
| assert_equal( | |||||
| coinbase['vout'][1]['scriptPubKey']['addresses'][0], | |||||
| MINER_FUND_ADDR) | |||||
| total = Decimal() | |||||
| for o in coinbase['vout']: | |||||
| total += o['value'] | |||||
| assert_equal(total, block_reward) | |||||
| assert_greater_than_or_equal( | |||||
| coinbase['vout'][1]['value'], | |||||
| (MINER_FUND_RATIO * total) / 100) | |||||
| # Invalidate top block, submit a custom block that do not send anything | |||||
| # to the fund and check it is rejected. | |||||
| node.invalidateblock(node.getbestblockhash()) | |||||
| block_height = node.getblockcount() + 1 | |||||
| block = create_block( | |||||
| fork_block_hash, create_coinbase(block_height), AXION_ACTIVATION_TIME + 1, version=4) | |||||
| block.solve() | |||||
| assert_equal(node.submitblock(ToHex(block)), 'bad-cb-minerfund') | |||||
| if __name__ == '__main__': | |||||
| MinerFundTest().main() | |||||