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-BEGIN VERIFY SCRIPT- sed -i -e 's/\s*().main\s*()/(__file__).main()/' $(git ls-files test/functional/*.py) sed -i -e 's/def __init__(self)/def __init__(self, test_file)/' test/functional/test_framework/test_framework.py -END VERIFY SCRIPT-
159 lines
6.8 KiB
Python
Executable File
159 lines
6.8 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 wallet import on pruned node."""
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from test_framework.util import assert_equal, assert_raises_rpc_error
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from test_framework.blocktools import (
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COINBASE_MATURITY,
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create_block
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)
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from test_framework.blocktools import create_coinbase
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.script import (
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CScript,
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OP_RETURN,
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OP_TRUE,
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)
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class WalletPruningTest(BitcoinTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser, descriptors=False)
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 2
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self.wallet_names = []
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self.extra_args = [
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[], # node dedicated to mining
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['-prune=550'], # node dedicated to testing pruning
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]
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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_bdb()
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def mine_large_blocks(self, node, n):
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# Get the block parameters for the first block
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best_block = node.getblockheader(node.getbestblockhash())
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height = int(best_block["height"]) + 1
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self.nTime = max(self.nTime, int(best_block["time"])) + 1
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previousblockhash = int(best_block["hash"], 16)
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big_script = CScript([OP_RETURN] + [OP_TRUE] * 950000)
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# Set mocktime to accept all future blocks
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for i in self.nodes:
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if i.running:
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i.setmocktime(self.nTime + 600 * n)
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for _ in range(n):
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block = create_block(hashprev=previousblockhash, ntime=self.nTime, coinbase=create_coinbase(height, script_pubkey=big_script))
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block.solve()
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# Submit to the node
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node.submitblock(block.serialize().hex())
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previousblockhash = block.sha256
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height += 1
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# Simulate 10 minutes of work time per block
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# Important for matching a timestamp with a block +- some window
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self.nTime += 600
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self.sync_all()
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def test_wallet_import_pruned(self, wallet_name):
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self.log.info("Make sure we can import wallet when pruned and required blocks are still available")
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wallet_file = wallet_name + ".dat"
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wallet_birthheight = self.get_birthheight(wallet_file)
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# Verify that the block at wallet's birthheight is available at the pruned node
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self.nodes[1].getblock(self.nodes[1].getblockhash(wallet_birthheight))
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# Import wallet into pruned node
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self.nodes[1].createwallet(wallet_name="wallet_pruned", descriptors=False, load_on_startup=True)
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self.nodes[1].importwallet(self.nodes[0].datadir_path / wallet_file)
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# Make sure that prune node's wallet correctly accounts for balances
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assert_equal(self.nodes[1].getbalance(), self.nodes[0].getbalance())
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self.log.info("- Done")
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def test_wallet_import_pruned_with_missing_blocks(self, wallet_name):
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self.log.info("Make sure we cannot import wallet when pruned and required blocks are not available")
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wallet_file = wallet_name + ".dat"
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wallet_birthheight = self.get_birthheight(wallet_file)
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# Verify that the block at wallet's birthheight is not available at the pruned node
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assert_raises_rpc_error(-1, "Block not available (pruned data)", self.nodes[1].getblock, self.nodes[1].getblockhash(wallet_birthheight))
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# Make sure wallet cannot be imported because of missing blocks
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# This will try to rescan blocks `TIMESTAMP_WINDOW` (2h) before the wallet birthheight.
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# There are 6 blocks an hour, so 11 blocks (excluding birthheight).
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assert_raises_rpc_error(-4, f"Pruned blocks from height {wallet_birthheight - 11} required to import keys. Use RPC call getblockchaininfo to determine your pruned height.", self.nodes[1].importwallet, self.nodes[0].datadir_path / wallet_file)
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self.log.info("- Done")
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def get_birthheight(self, wallet_file):
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"""Gets birthheight of a wallet on node0"""
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with open(self.nodes[0].datadir_path / wallet_file, 'r', encoding="utf8") as f:
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for line in f:
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if line.startswith('# * Best block at time of backup'):
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wallet_birthheight = int(line.split(' ')[9])
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return wallet_birthheight
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def has_block(self, block_index):
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"""Checks if the pruned node has the specific blk0000*.dat file"""
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return (self.nodes[1].blocks_path / f"blk{block_index:05}.dat").is_file()
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def create_wallet(self, wallet_name, *, unload=False):
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"""Creates and dumps a wallet on the non-pruned node0 to be later import by the pruned node"""
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self.nodes[0].createwallet(wallet_name=wallet_name, descriptors=False, load_on_startup=True)
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self.nodes[0].dumpwallet(self.nodes[0].datadir_path / f"{wallet_name}.dat")
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if (unload):
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self.nodes[0].unloadwallet(wallet_name)
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def run_test(self):
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self.nTime = 0
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self.log.info("Warning! This test requires ~1.3GB of disk space")
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self.log.info("Generating a long chain of blocks...")
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# A blk*.dat file is 128MB
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# Generate 250 light blocks
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self.generate(self.nodes[0], 250)
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# Generate 50MB worth of large blocks in the blk00000.dat file
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self.mine_large_blocks(self.nodes[0], 50)
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# Create a wallet which birth's block is in the blk00000.dat file
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wallet_birthheight_1 = "wallet_birthheight_1"
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assert_equal(self.has_block(1), False)
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self.create_wallet(wallet_birthheight_1, unload=True)
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# Generate enough large blocks to reach pruning disk limit
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# Not pruning yet because we are still below PruneAfterHeight
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self.mine_large_blocks(self.nodes[0], 600)
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self.log.info("- Long chain created")
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# Create a wallet with birth height > wallet_birthheight_1
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wallet_birthheight_2 = "wallet_birthheight_2"
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self.create_wallet(wallet_birthheight_2)
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# Fund wallet to later verify that importwallet correctly accounts for balances
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self.generatetoaddress(self.nodes[0], COINBASE_MATURITY + 1, self.nodes[0].getnewaddress(), sync_fun=self.no_op)
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# We've reached pruning storage & height limit but
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# pruning doesn't run until another chunk (blk*.dat file) is allocated.
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# That's why we are generating another 5 large blocks
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self.mine_large_blocks(self.nodes[0], 5)
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# blk00000.dat file is now pruned from node1
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assert_equal(self.has_block(0), False)
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self.test_wallet_import_pruned(wallet_birthheight_2)
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self.test_wallet_import_pruned_with_missing_blocks(wallet_birthheight_1)
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if __name__ == '__main__':
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WalletPruningTest(__file__).main()
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