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105 lines
5.3 KiB
Python
Executable File
105 lines
5.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2022 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 that fast rescan using block filters for descriptor wallets detects
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top-ups correctly and finds the same transactions than the slow variant."""
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from typing import List
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from test_framework.address import address_to_scriptpubkey
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from test_framework.descriptors import descsum_create
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.test_node import TestNode
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from test_framework.util import assert_equal
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from test_framework.wallet import MiniWallet
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from test_framework.wallet_util import get_generate_key
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KEYPOOL_SIZE = 100 # smaller than default size to speed-up test
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NUM_DESCRIPTORS = 9 # number of descriptors (8 default ranged ones + 1 fixed non-ranged one)
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NUM_BLOCKS = 6 # number of blocks to mine
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class WalletFastRescanTest(BitcoinTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser, legacy=False)
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def set_test_params(self):
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self.num_nodes = 1
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self.extra_args = [[f'-keypool={KEYPOOL_SIZE}', '-blockfilterindex=1']]
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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self.skip_if_no_sqlite()
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def get_wallet_txids(self, node: TestNode, wallet_name: str) -> List[str]:
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w = node.get_wallet_rpc(wallet_name)
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txs = w.listtransactions('*', 1000000)
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return [tx['txid'] for tx in txs]
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def run_test(self):
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node = self.nodes[0]
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wallet = MiniWallet(node)
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self.log.info("Create descriptor wallet with backup")
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WALLET_BACKUP_FILENAME = node.datadir_path / 'wallet.bak'
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node.createwallet(wallet_name='topup_test', descriptors=True)
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w = node.get_wallet_rpc('topup_test')
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fixed_key = get_generate_key()
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print(w.importdescriptors([{"desc": descsum_create(f"wpkh({fixed_key.privkey})"), "timestamp": "now"}]))
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descriptors = w.listdescriptors()['descriptors']
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assert_equal(len(descriptors), NUM_DESCRIPTORS)
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w.backupwallet(WALLET_BACKUP_FILENAME)
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self.log.info(f"Create txs sending to end range address of each descriptor, triggering top-ups")
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for i in range(NUM_BLOCKS):
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self.log.info(f"Block {i+1}/{NUM_BLOCKS}")
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for desc_info in w.listdescriptors()['descriptors']:
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if 'range' in desc_info:
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start_range, end_range = desc_info['range']
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addr = w.deriveaddresses(desc_info['desc'], [end_range, end_range])[0]
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spk = address_to_scriptpubkey(addr)
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self.log.info(f"-> range [{start_range},{end_range}], last address {addr}")
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else:
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spk = bytes.fromhex(fixed_key.p2wpkh_script)
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self.log.info(f"-> fixed non-range descriptor address {fixed_key.p2wpkh_addr}")
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wallet.send_to(from_node=node, scriptPubKey=spk, amount=10000)
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self.generate(node, 1)
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self.log.info("Import wallet backup with block filter index")
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with node.assert_debug_log(['fast variant using block filters']):
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node.restorewallet('rescan_fast', WALLET_BACKUP_FILENAME)
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txids_fast = self.get_wallet_txids(node, 'rescan_fast')
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self.log.info("Import non-active descriptors with block filter index")
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node.createwallet(wallet_name='rescan_fast_nonactive', descriptors=True, disable_private_keys=True, blank=True)
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with node.assert_debug_log(['fast variant using block filters']):
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w = node.get_wallet_rpc('rescan_fast_nonactive')
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w.importdescriptors([{"desc": descriptor['desc'], "timestamp": 0} for descriptor in descriptors])
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txids_fast_nonactive = self.get_wallet_txids(node, 'rescan_fast_nonactive')
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self.restart_node(0, [f'-keypool={KEYPOOL_SIZE}', '-blockfilterindex=0'])
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self.log.info("Import wallet backup w/o block filter index")
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with node.assert_debug_log(['slow variant inspecting all blocks']):
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node.restorewallet("rescan_slow", WALLET_BACKUP_FILENAME)
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txids_slow = self.get_wallet_txids(node, 'rescan_slow')
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self.log.info("Import non-active descriptors w/o block filter index")
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node.createwallet(wallet_name='rescan_slow_nonactive', descriptors=True, disable_private_keys=True, blank=True)
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with node.assert_debug_log(['slow variant inspecting all blocks']):
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w = node.get_wallet_rpc('rescan_slow_nonactive')
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w.importdescriptors([{"desc": descriptor['desc'], "timestamp": 0} for descriptor in descriptors])
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txids_slow_nonactive = self.get_wallet_txids(node, 'rescan_slow_nonactive')
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self.log.info("Verify that all rescans found the same txs in slow and fast variants")
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assert_equal(len(txids_slow), NUM_DESCRIPTORS * NUM_BLOCKS)
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assert_equal(len(txids_fast), NUM_DESCRIPTORS * NUM_BLOCKS)
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assert_equal(len(txids_slow_nonactive), NUM_DESCRIPTORS * NUM_BLOCKS)
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assert_equal(len(txids_fast_nonactive), NUM_DESCRIPTORS * NUM_BLOCKS)
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assert_equal(sorted(txids_slow), sorted(txids_fast))
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assert_equal(sorted(txids_slow_nonactive), sorted(txids_fast_nonactive))
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if __name__ == '__main__':
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WalletFastRescanTest().main()
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