You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.5 KiB
65 lines
2.5 KiB
3 years ago
|
#!/usr/bin/env python3
|
||
|
|
# Copyright (c) 2014-2020 The Bitcoin Core developers
|
||
|
|
# Distributed under the MIT software license, see the accompanying
|
||
|
|
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
||
|
|
"""Test resurrection of mined transactions when the blockchain is re-organized."""
|
||
|
|
|
||
|
|
from test_framework.blocktools import COINBASE_MATURITY
|
||
|
|
from test_framework.test_framework import BitcoinTestFramework
|
||
|
|
from test_framework.util import assert_equal
|
||
|
|
from test_framework.wallet import MiniWallet
|
||
|
|
|
||
|
|
|
||
|
|
class MempoolCoinbaseTest(BitcoinTestFramework):
|
||
|
|
def set_test_params(self):
|
||
|
|
self.num_nodes = 1
|
||
|
|
self.setup_clean_chain = True
|
||
|
|
|
||
|
|
def run_test(self):
|
||
|
|
node = self.nodes[0]
|
||
|
|
wallet = MiniWallet(node)
|
||
|
|
|
||
|
|
# Add enough mature utxos to the wallet so that all txs spend confirmed coins
|
||
|
|
wallet.generate(3)
|
||
|
|
node.generate(COINBASE_MATURITY)
|
||
|
|
|
||
|
|
# Spend block 1/2/3's coinbase transactions
|
||
|
|
# Mine a block
|
||
|
|
# Create three more transactions, spending the spends
|
||
|
|
# Mine another block
|
||
|
|
# ... make sure all the transactions are confirmed
|
||
|
|
# Invalidate both blocks
|
||
|
|
# ... make sure all the transactions are put back in the mempool
|
||
|
|
# Mine a new block
|
||
|
|
# ... make sure all the transactions are confirmed again
|
||
|
|
blocks = []
|
||
|
|
spends1_ids = [wallet.send_self_transfer(from_node=node)['txid'] for _ in range(3)]
|
||
|
|
blocks.extend(node.generate(1))
|
||
|
|
spends2_ids = [wallet.send_self_transfer(from_node=node)['txid'] for _ in range(3)]
|
||
|
|
blocks.extend(node.generate(1))
|
||
|
|
|
||
|
|
spends_ids = set(spends1_ids + spends2_ids)
|
||
|
|
|
||
|
|
# mempool should be empty, all txns confirmed
|
||
|
|
assert_equal(set(node.getrawmempool()), set())
|
||
|
|
confirmed_txns = set(node.getblock(blocks[0])['tx'] + node.getblock(blocks[1])['tx'])
|
||
|
|
# Checks that all spend txns are contained in the mined blocks
|
||
|
|
assert spends_ids < confirmed_txns
|
||
|
|
|
||
|
|
# Use invalidateblock to re-org back
|
||
|
|
node.invalidateblock(blocks[0])
|
||
|
|
|
||
|
|
# All txns should be back in mempool with 0 confirmations
|
||
|
|
assert_equal(set(node.getrawmempool()), spends_ids)
|
||
|
|
|
||
|
|
# Generate another block, they should all get mined
|
||
|
|
blocks = node.generate(1)
|
||
|
|
# mempool should be empty, all txns confirmed
|
||
|
|
assert_equal(set(node.getrawmempool()), set())
|
||
|
|
confirmed_txns = set(node.getblock(blocks[0])['tx'])
|
||
|
|
assert spends_ids < confirmed_txns
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
MempoolCoinbaseTest().main()
|