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#!/usr/bin/env python3
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# Copyright (c) 2023 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test fastprune mode."""
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal
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)
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from test_framework.wallet import MiniWallet
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class FeatureFastpruneTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [["-fastprune"]]
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def run_test(self):
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self.log.info("ensure that large blocks don't crash or freeze in -fastprune")
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wallet = MiniWallet(self.nodes[0])
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tx = wallet.create_self_transfer()['tx']
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annex = b"\x50" + b"\xff" * 0x10000
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tx.wit.vtxinwit[0].scriptWitness.stack.append(annex)
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self.generateblock(self.nodes[0], output="raw(55)", transactions=[tx.serialize().hex()])
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assert_equal(self.nodes[0].getblockcount(), 201)
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if __name__ == '__main__':
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FeatureFastpruneTest(__file__).main()
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