neobytes/test/functional/mempool_reorg.py
PastaPastaPasta 6edbc9cebd Merge bitcoin#9956: Reorganise qa directory (#2912)
* Merge #9956: Reorganise qa directory

63d66ba Move src/test/bitcoin-util-test.py to test/util/bitcoin-util-test.py (John Newbery)
5b0bff4 Rename --enable-extended-rpc-tests to --enable-extended-functional-tests (John Newbery)
a9bd622 Rename test/pull-tester/rpc-tests.py to test/functional/test_runner.py (John Newbery)
c28ee91 Rename rpc-tests directory to functional (John Newbery)
00902c4 Rename qa directory to test (John Newbery)

Tree-SHA512: ee7125c0c647d81590177beef2c8852c4ef76fdcf888096d9d4d360562a01d8d3b453345c3040487b2a043935bd1e7e80018f34462d6e02262bedbe23edcc576

resolve build errors

Signed-off-by: Pasta <Pasta@dash.org>

update test_runner.py in testintegrations.sh

Signed-off-by: Pasta <Pasta@dash.org>

* moved dash specific tests

Signed-off-by: Pasta <Pasta@dash.org>

* dashify README.md

Signed-off-by: Pasta <Pasta@dash.org>

* removed autoix*.py

Signed-off-by: Pasta <Pasta@dash.org>

* change back file perms

* dedashify

Signed-off-by: Pasta <Pasta@dash.org>
2019-05-19 23:20:34 +03:00

108 lines
4.9 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 mempool re-org scenarios.
Test re-org scenarios with a mempool that contains transactions
that spend (directly or indirectly) coinbase transactions.
"""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
# Create one-input, one-output, no-fee transaction:
class MempoolCoinbaseTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
self.num_nodes = 2
self.setup_clean_chain = False
alert_filename = None # Set by setup_network
def setup_network(self):
args = ["-checkmempool"]
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir, args))
self.nodes.append(start_node(1, self.options.tmpdir, args))
connect_nodes(self.nodes[1], 0)
self.is_network_split = False
self.sync_all()
def run_test(self):
# Start with a 200 block chain
assert_equal(self.nodes[0].getblockcount(), 200)
# Mine four blocks. After this, nodes[0] blocks
# 101, 102, and 103 are spend-able.
new_blocks = self.nodes[1].generate(4)
self.sync_all()
node0_address = self.nodes[0].getnewaddress()
node1_address = self.nodes[1].getnewaddress()
# Three scenarios for re-orging coinbase spends in the memory pool:
# 1. Direct coinbase spend : spend_101
# 2. Indirect (coinbase spend in chain, child in mempool) : spend_102 and spend_102_1
# 3. Indirect (coinbase and child both in chain) : spend_103 and spend_103_1
# Use invalidatblock to make all of the above coinbase spends invalid (immature coinbase),
# and make sure the mempool code behaves correctly.
b = [ self.nodes[0].getblockhash(n) for n in range(101, 105) ]
coinbase_txids = [ self.nodes[0].getblock(h)['tx'][0] for h in b ]
spend_101_raw = create_tx(self.nodes[0], coinbase_txids[1], node1_address, 499.9)
spend_102_raw = create_tx(self.nodes[0], coinbase_txids[2], node0_address, 499.9)
spend_103_raw = create_tx(self.nodes[0], coinbase_txids[3], node0_address, 499.9)
# Create a transaction which is time-locked to two blocks in the future
timelock_tx = self.nodes[0].createrawtransaction([{"txid": coinbase_txids[0], "vout": 0}], {node0_address: 499.9})
# Set the time lock
timelock_tx = timelock_tx.replace("ffffffff", "11111191", 1)
timelock_tx = timelock_tx[:-8] + hex(self.nodes[0].getblockcount() + 2)[2:] + "000000"
timelock_tx = self.nodes[0].signrawtransaction(timelock_tx)["hex"]
# This will raise an exception because the timelock transaction is too immature to spend
assert_raises_jsonrpc(-26, "non-final", self.nodes[0].sendrawtransaction, timelock_tx)
# Broadcast and mine spend_102 and 103:
spend_102_id = self.nodes[0].sendrawtransaction(spend_102_raw)
spend_103_id = self.nodes[0].sendrawtransaction(spend_103_raw)
self.nodes[0].generate(1)
# Time-locked transaction is still too immature to spend
assert_raises_jsonrpc(-26,'non-final', self.nodes[0].sendrawtransaction, timelock_tx)
# Create 102_1 and 103_1:
spend_102_1_raw = create_tx(self.nodes[0], spend_102_id, node1_address, 499.8)
spend_103_1_raw = create_tx(self.nodes[0], spend_103_id, node1_address, 499.8)
# Broadcast and mine 103_1:
spend_103_1_id = self.nodes[0].sendrawtransaction(spend_103_1_raw)
last_block = self.nodes[0].generate(1)
# Time-locked transaction can now be spent
timelock_tx_id = self.nodes[0].sendrawtransaction(timelock_tx)
# ... now put spend_101 and spend_102_1 in memory pools:
spend_101_id = self.nodes[0].sendrawtransaction(spend_101_raw)
spend_102_1_id = self.nodes[0].sendrawtransaction(spend_102_1_raw)
self.sync_all()
assert_equal(set(self.nodes[0].getrawmempool()), {spend_101_id, spend_102_1_id, timelock_tx_id})
for node in self.nodes:
node.invalidateblock(last_block[0])
# Time-locked transaction is now too immature and has been removed from the mempool
# spend_103_1 has been re-orged out of the chain and is back in the mempool
assert_equal(set(self.nodes[0].getrawmempool()), {spend_101_id, spend_102_1_id, spend_103_1_id})
# Use invalidateblock to re-org back and make all those coinbase spends
# immature/invalid:
for node in self.nodes:
node.invalidateblock(new_blocks[0])
self.sync_all()
# mempool should be empty.
assert_equal(set(self.nodes[0].getrawmempool()), set())
if __name__ == '__main__':
MempoolCoinbaseTest().main()