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#!/usr/bin/env python3
# Copyright (c) 2023 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 fastprune mode."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import (
assert_equal
)
from test_framework.wallet import MiniWallet
class FeatureFastpruneTest(BitcoinTestFramework):
def set_test_params(self):
self.num_nodes = 1
self.extra_args = [["-fastprune"]]
def run_test(self):
self.log.info("ensure that large blocks don't crash or freeze in -fastprune")
wallet = MiniWallet(self.nodes[0])
tx = wallet.create_self_transfer()['tx']
annex = b"\x50" + b"\xff" * 0x10000
tx.wit.vtxinwit[0].scriptWitness.stack.append(annex)
self.generateblock(self.nodes[0], output="raw(55)", transactions=[tx.serialize().hex()])
assert_equal(self.nodes[0].getblockcount(), 201)
if __name__ == '__main__':
FeatureFastpruneTest(__file__).main()
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