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[test] second child of a v3 tx can be replaced individually

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Co-authored-by: ismaelsadeeq <ask4ismailsadiq@gmail.com>
This commit is contained in:
glozow 2024-02-12 14:55:27 +00:00
parent 5c998a696c
commit 6b161cb82a
1 changed files with 33 additions and 0 deletions
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33
test/functional/mempool_accept_v3.py
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@ -2,6 +2,7 @@
# Copyright (c) 2024 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
from decimal import Decimal
from test_framework.messages import (
MAX_BIP125_RBF_SEQUENCE,
@ -397,6 +398,37 @@ class MempoolAcceptV3(BitcoinTestFramework):
test_accept_2children_with_in_mempool_parent = node.testmempoolaccept([tx_v3_child_1["hex"], tx_v3_child_2["hex"]])
assert all([result["package-error"] == expected_error_extra for result in test_accept_2children_with_in_mempool_parent])
@cleanup(extra_args=["-acceptnonstdtxn=1"])
def test_reorg_2child_rbf(self):
node = self.nodes[0]
self.log.info("Test that children of a v3 transaction can be replaced individually, even if there are multiple due to reorg")
ancestor_tx = self.wallet.send_self_transfer_multi(from_node=node, num_outputs=2, version=3)
self.check_mempool([ancestor_tx["txid"]])
block = self.generate(node, 1)[0]
self.check_mempool([])
child_1 = self.wallet.send_self_transfer(from_node=node, version=3, utxo_to_spend=ancestor_tx["new_utxos"][0])
child_2 = self.wallet.send_self_transfer(from_node=node, version=3, utxo_to_spend=ancestor_tx["new_utxos"][1])
self.check_mempool([child_1["txid"], child_2["txid"]])
self.generate(node, 1)
self.check_mempool([])
# Create a reorg, causing ancestor_tx to exceed the 1-child limit
node.invalidateblock(block)
self.check_mempool([ancestor_tx["txid"], child_1["txid"], child_2["txid"]])
assert_equal(node.getmempoolentry(ancestor_tx["txid"])["descendantcount"], 3)
# Create a replacement of child_1. It does not conflict with child_2.
child_1_conflict = self.wallet.send_self_transfer(from_node=node, version=3, utxo_to_spend=ancestor_tx["new_utxos"][0], fee_rate=Decimal("0.01"))
# Ensure child_1 and child_1_conflict are different transactions
assert (child_1_conflict["txid"] != child_1["txid"])
self.check_mempool([ancestor_tx["txid"], child_1_conflict["txid"], child_2["txid"]])
assert_equal(node.getmempoolentry(ancestor_tx["txid"])["descendantcount"], 3)
def run_test(self):
self.log.info("Generate blocks to create UTXOs")
node = self.nodes[0]
@ -412,6 +444,7 @@ class MempoolAcceptV3(BitcoinTestFramework):
self.test_mempool_sibling()
self.test_v3_package_inheritance()
self.test_v3_in_testmempoolaccept()
self.test_reorg_2child_rbf()
if __name__ == "__main__":