Inside Bitcoin
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Inside Bitcoin
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The code behind the network, with room to understand it.
Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.
1#!/usr/bin/env python32# Copyright (c) 2023-present The Bitcoin Core developers3# Distributed under the MIT software license, see the accompanying4# file COPYING or http://www.opensource.org/licenses/mit-license.php.5"""Test fastprune mode."""6from test_framework.test_framework import BitcoinTestFramework7from test_framework.util import (8assert_equal9)10from test_framework.wallet import MiniWallet13class FeatureFastpruneTest(BitcoinTestFramework):14def set_test_params(self):15self.num_nodes = 116self.extra_args = [["-fastprune"]]18def run_test(self):19self.log.info("ensure that large blocks don't crash or freeze in -fastprune")20wallet = MiniWallet(self.nodes[0])21tx = wallet.create_self_transfer()['tx']22annex = b"\x50" + b"\xff" * 0x1000023tx.wit.vtxinwit[0].scriptWitness.stack.append(annex)24self.generateblock(self.nodes[0], output="raw(55)", transactions=[tx.serialize().hex()])25assert_equal(self.nodes[0].getblockcount(), 201)28if __name__ == '__main__':29FeatureFastpruneTest(__file__).main()
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