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#!/usr/bin/env python3
# Copyright (c) 2020-2021 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 orphaned block rewards in the wallet."""
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import assert_equal
class OrphanedBlockRewardTest(BitcoinTestFramework):
def add_options(self, parser):
self.add_wallet_options(parser)
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 2
def skip_test_if_missing_module(self):
self.skip_if_no_wallet()
def run_test(self):
# Generate some blocks and obtain some coins on node 0. We send
# some balance to node 1, which will hold it as a single coin.
self.generate(self.nodes[0], 150)
self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 10)
self.generate(self.nodes[0], 1)
# Get a block reward with node 1 and remember the block so we can orphan
# it later.
self.sync_blocks()
blk = self.generate(self.nodes[1], 1)[0]
# Let the block reward mature and send coins including both
# the existing balance and the block reward.
self.generate(self.nodes[0], 150)
assert_equal(self.nodes[1].getbalance(), 10 + 25)
txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 30)
# Orphan the block reward and make sure that the original coins
# from the wallet can still be spent.
self.nodes[0].invalidateblock(blk)
self.generate(self.nodes[0], 152)
# Without the following abandontransaction call, the coins are
# not considered available yet.
assert_equal(self.nodes[1].getbalances()["mine"], {
"trusted": 0,
"untrusted_pending": 0,
"immature": 0,
})
# The following abandontransaction is necessary to make the later
# lines succeed, and probably should not be needed; see
# https://github.com/bitcoin/bitcoin/issues/14148.
self.nodes[1].abandontransaction(txid)
assert_equal(self.nodes[1].getbalances()["mine"], {
"trusted": 10,
"untrusted_pending": 0,
"immature": 0,
})
self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 9)
if __name__ == '__main__':
OrphanedBlockRewardTest().main()
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