neobytes/test/functional/mempool_resurrect_test.py
MarcoFalke 17bb230d74 Merge #11121: TestNode tidyups
7148b74dc [tests] Functional tests must explicitly set num_nodes (John Newbery)
5448a1471 [tests] don't override __init__() in individual tests (John Newbery)
6cf094a02 [tests] Avoid passing around member variables in test_framework (John Newbery)
36b626867 [tests] TestNode: separate add_node from start_node (John Newbery)
be2a2ab6a [tests] fix - use rpc_timeout as rpc timeout (John Newbery)

Pull request description:

  Some additional tidyups after the introduction of TestNode:

  - commit 1 makes TestNode use the correct rpc timeout. This should have been included in #11077
  - commit 2 separates `add_node()` from `start_node()` as originally discussed here: https://github.com/bitcoin/bitcoin/pull/10556#discussion_r121161453 with @kallewoof . The test writer no longer needs to assign to `self.nodes` when starting/stopping nodes.
  - commit 3 adds a `set_test_params()` method, so individual tests don't need to override `__init__()` and call `super().__init__()`

Tree-SHA512: 0adb030623b96675b5c29e2890ce99ccd837ed05f721d0c91b35378c5ac01b6658174aac12f1f77402e1d38b61f39b3c43b4df85c96952565dde1cda05b0db84
2019-09-24 16:58:03 +02:00

69 lines
2.9 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 *
# Create one-input, one-output, no-fee transaction:
class MempoolCoinbaseTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
self.extra_args = [["-checkmempool"]]
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; all transactions should
# end up unconfirmed and back in the mempool
for node in self.nodes:
node.invalidateblock(blocks[0])
# mempool should be empty, all txns confirmed
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()