dash/test/functional/mempool_resurrect.py
MarcoFalke befb4d400f Merge #14632: Tests: Fix a comment
086fc83571 Tests: Fix a comment (fridokus)

Pull request description:

  Fix a comment that was false

Tree-SHA512: 945aa38229545e026e18c3abf53a4fbe6ec36413ce690fff7a1dd89b6e102d2b574524092e0ddf06cace82f3c040c59221b9b942be1203525814d2fbd50aaa0b
2021-07-03 13:44:50 -05:00

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2.7 KiB
Python
Executable File

#!/usr/bin/env python3
# Copyright (c) 2014-2016 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.test_framework import BitcoinTestFramework
from test_framework.util import *
class MempoolCoinbaseTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
def run_test(self):
node0_address = self.nodes[0].getnewaddress()
# 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.
b = [ self.nodes[0].getblockhash(n) for n in range(1, 4) ]
coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
spends1_raw = [ create_tx(self.nodes[0], txid, node0_address, 500) for txid in coinbase_txids ]
spends1_id = [ self.nodes[0].sendrawtransaction(tx, False, False, True) for tx in spends1_raw ]
blocks = []
blocks.extend(self.nodes[0].generate(1))
spends2_raw = [ create_tx(self.nodes[0], txid, node0_address, 499.99) for txid in spends1_id ]
spends2_id = [ self.nodes[0].sendrawtransaction(tx, False, False, True) for tx in spends2_raw ]
blocks.extend(self.nodes[0].generate(1))
# mempool should be empty, all txns confirmed
assert_equal(set(self.nodes[0].getrawmempool()), set())
for txid in spends1_id+spends2_id:
tx = self.nodes[0].gettransaction(txid)
assert(tx["confirmations"] > 0)
# Use invalidateblock to re-org back
for node in self.nodes:
node.invalidateblock(blocks[0])
# All txns should be back in mempool with 0 confirmations
assert_equal(set(self.nodes[0].getrawmempool()), set(spends1_id+spends2_id))
for txid in spends1_id+spends2_id:
tx = self.nodes[0].gettransaction(txid)
assert(tx["confirmations"] == 0)
# Generate another block, they should all get mined
self.nodes[0].generate(1)
# mempool should be empty, all txns confirmed
assert_equal(set(self.nodes[0].getrawmempool()), set())
for txid in spends1_id+spends2_id:
tx = self.nodes[0].gettransaction(txid)
assert(tx["confirmations"] > 0)
if __name__ == '__main__':
MempoolCoinbaseTest().main()