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test: generateblocks called by multiple threads

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Co-Authored-By: David Gumberg <davidzgumberg@gmail.com>
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MarcoFalke 2024-12-25 04:45:56 +01:00
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11
test/functional/rpc_generate.py
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@ -1,9 +1,11 @@
#!/usr/bin/env python3
# Copyright (c) 2020-2022 The Bitcoin Core developers
# Copyright (c) 2020-present 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 generate* RPCs."""
from concurrent.futures import ThreadPoolExecutor
from test_framework.test_framework import BitcoinTestFramework
from test_framework.wallet import MiniWallet
from test_framework.util import (
@ -83,6 +85,13 @@ class RPCGenerateTest(BitcoinTestFramework):
txid = block['tx'][1]
assert_equal(node.getrawtransaction(txid=txid, verbose=False, blockhash=hash), rawtx)
# Ensure that generateblock can be called concurrently by many threads.
self.log.info('Generate blocks in parallel')
generate_50_blocks = lambda n: [n.generateblock(output=address, transactions=[]) for _ in range(50)]
rpcs = [node.cli for _ in range(6)]
with ThreadPoolExecutor(max_workers=len(rpcs)) as threads:
list(threads.map(generate_50_blocks, rpcs))
self.log.info('Fail to generate block with out of order txs')
txid1 = miniwallet.send_self_transfer(from_node=node)['txid']
utxo1 = miniwallet.get_utxo(txid=txid1)