1  #!/usr/bin/env python3
 2  # Copyright (c) 2023-present The Bitcoin Core developers
 3  # Distributed under the MIT software license, see the accompanying
 4  # file COPYING or https://www.opensource.org/licenses/mit-license.php.
 5  
 6  """Test wallet-reindex interaction"""
 7  
 8  import time
 9  
10  from test_framework.blocktools import COINBASE_MATURITY
11  from test_framework.test_framework import BitcoinTestFramework
12  from test_framework.util import (
13      assert_equal,
14  )
15  BLOCK_TIME = 60 * 10
16  
17  class WalletReindexTest(BitcoinTestFramework):
18      def set_test_params(self):
19          self.num_nodes = 1
20          self.setup_clean_chain = True
21  
22      def skip_test_if_missing_module(self):
23          self.skip_if_no_wallet()
24  
25      def advance_time(self, node, secs):
26          self.node_time += secs
27          node.setmocktime(self.node_time)
28  
29      # Verify the wallet updates the birth time accordingly when it detects a transaction
30      # with a time older than the oldest descriptor timestamp.
31      # This could happen when the user blindly imports a descriptor with 'timestamp=now'.
32      def birthtime_test(self, node, miner_wallet):
33          self.log.info("Test birth time update during tx scanning")
34          # Fund address to test
35          wallet_addr = miner_wallet.getnewaddress()
36          tx_id = miner_wallet.sendtoaddress(wallet_addr, 2)
37  
38          # Generate 50 blocks, one every 10 min to surpass the 2 hours rescan window the wallet has
39          for _ in range(50):
40              self.generate(node, 1)
41              self.advance_time(node, BLOCK_TIME)
42  
43          # Now create a new wallet, and import the descriptor
44          node.createwallet(wallet_name='watch_only', disable_private_keys=True, load_on_startup=True)
45          wallet_watch_only = node.get_wallet_rpc('watch_only')
46          # Blank wallets don't have a birth time
47          assert 'birthtime' not in wallet_watch_only.getwalletinfo()
48  
49          # Import address with timestamp=now.
50          wallet_watch_only.importdescriptors([{"desc": miner_wallet.getaddressinfo(wallet_addr)["desc"], "timestamp": "now"}])
51          assert_equal(len(wallet_watch_only.listtransactions()), 0)
52  
53          # Depending on the wallet type, the birth time changes.
54          wallet_birthtime = wallet_watch_only.getwalletinfo()['birthtime']
55          # As blocks were generated every 10 min, the chain MTP timestamp is node_time - 60 min.
56          assert_equal(self.node_time - BLOCK_TIME * 6, wallet_birthtime)
57  
58          # Rescan the wallet to detect the missing transaction
59          wallet_watch_only.rescanblockchain()
60          assert_equal(wallet_watch_only.gettransaction(tx_id)['confirmations'], 50)
61          assert_equal(wallet_watch_only.getbalances()['mine']['trusted'], 2)
62  
63          self.log.info("Reindex ...")  # restart_node waits for it to finish
64          self.restart_node(0, extra_args=[ f'-mocktime={self.node_time}'])
65  
66          # Verify the transaction is still 'confirmed' after reindex
67          wallet_watch_only = node.get_wallet_rpc('watch_only')
68          tx_info = wallet_watch_only.gettransaction(tx_id)
69          assert_equal(tx_info['confirmations'], 50)
70  
71          # Depending on the wallet type, the birth time changes.
72          # For descriptors, verify the wallet updated the birth time to the transaction time
73          assert_equal(tx_info['time'], wallet_watch_only.getwalletinfo()['birthtime'])
74  
75          wallet_watch_only.unloadwallet()
76  
77      def run_test(self):
78          node = self.nodes[0]
79          self.node_time = int(time.time())
80          node.setmocktime(self.node_time)
81  
82          # Fund miner
83          node.createwallet(wallet_name='miner', load_on_startup=True)
84          miner_wallet = node.get_wallet_rpc('miner')
85          self.generatetoaddress(node, COINBASE_MATURITY + 10, miner_wallet.getnewaddress())
86  
87          # Tests
88          self.birthtime_test(node, miner_wallet)
89  
90  
91  if __name__ == '__main__':
92      WalletReindexTest(__file__).main()