1 #!/usr/bin/env python3
2 # Copyright (c) 2020-present The Bitcoin Core developers
3 # Distributed under the MIT software license, see the accompanying
4 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
5 """Test orphaned block rewards in the wallet."""
6 7 from test_framework.test_framework import BitcoinTestFramework
8 from test_framework.util import assert_equal
9 10 class OrphanedBlockRewardTest(BitcoinTestFramework):
11 def set_test_params(self):
12 self.setup_clean_chain = True
13 self.num_nodes = 2
14 15 def skip_test_if_missing_module(self):
16 self.skip_if_no_wallet()
17 18 def run_test(self):
19 # Generate some blocks and obtain some coins on node 0. We send
20 # some balance to node 1, which will hold it as a single coin.
21 self.generate(self.nodes[0], 150)
22 self.nodes[0].sendtoaddress(self.nodes[1].getnewaddress(), 10)
23 self.generate(self.nodes[0], 1)
24 25 # Get a block reward with node 1 and remember the block so we can orphan
26 # it later.
27 self.sync_blocks()
28 blk = self.generate(self.nodes[1], 1)[0]
29 30 # Let the block reward mature and send coins including both
31 # the existing balance and the block reward.
32 self.generate(self.nodes[0], 150)
33 assert_equal(self.nodes[1].getbalance(), 10 + 25)
34 pre_reorg_conf_bals = self.nodes[1].getbalances()
35 txid = self.nodes[1].sendtoaddress(self.nodes[0].getnewaddress(), 30)
36 orig_chain_tip = self.nodes[0].getbestblockhash()
37 self.sync_mempools()
38 39 # Orphan the block reward and make sure that the original coins
40 # from the wallet can still be spent.
41 self.nodes[0].invalidateblock(blk)
42 blocks = self.generate(self.nodes[0], 152)
43 conflict_block = blocks[0]
44 # We expect the descendants of orphaned rewards to no longer be considered
45 assert_equal(self.nodes[1].getbalances()["mine"], {
46 "trusted": 10,
47 "untrusted_pending": 0,
48 "immature": 0,
49 "nonmempool": 0,
50 })
51 # And the unconfirmed tx to be abandoned
52 assert_equal(self.nodes[1].gettransaction(txid)["details"][0]["abandoned"], True)
53 54 # The abandoning should persist through reloading
55 self.nodes[1].unloadwallet(self.default_wallet_name)
56 self.nodes[1].loadwallet(self.default_wallet_name)
57 assert_equal(self.nodes[1].gettransaction(txid)["details"][0]["abandoned"], True)
58 59 # If the orphaned reward is reorged back into the main chain, any unconfirmed
60 # descendant txs at the time of the original reorg remain abandoned.
61 self.nodes[0].invalidateblock(conflict_block)
62 self.nodes[0].reconsiderblock(blk)
63 assert_equal(self.nodes[0].getbestblockhash(), orig_chain_tip)
64 self.generate(self.nodes[0], 3)
65 66 balances = self.nodes[1].getbalances()
67 del balances["lastprocessedblock"]
68 del pre_reorg_conf_bals["lastprocessedblock"]
69 assert_equal(balances, pre_reorg_conf_bals)
70 assert_equal(self.nodes[1].gettransaction(txid)["details"][0]["abandoned"], True)
71 72 73 if __name__ == '__main__':
74 OrphanedBlockRewardTest(__file__).main()
75