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581c9be0d8bff46cd68bd6a3bf72f22d11c09aea test: speedup wallet_backup by whitelisting peers (immediate tx relay) (Sebastian Falbesoner) Pull request description: approaches part of #16613 ("Functional test suite bottlenecks") The majority of the test time is spent in `sync_mempools()` after sending to addresses, i.e. the bottleneck is in relaying transactions. By whitelisting the peers via `-whitelist`, the inventory is transmissioned immediately rather than on average every 5 seconds, speeding up the test by at least a factor of two: before: ``` $ time ./wallet_backup.py real 2m2.523s user 0m6.093s sys 0m2.454s ``` with this PR: ``` $ time ./wallet_backup_with_whitelist.py real 0m36.570s user 0m5.365s sys 0m1.696s ``` Note that the test is not deterministic (the `sendtoaddress` RPC in function `one_send()` is executed with a probability of 50%), hence the times could vary between individual runs. ACKs for top commit: MarcoFalke: ACK 581c9be0d8bff46cd68bd6a3bf72f22d11c09aea, this test is testing the backup behaviour, not the tx relay behaviour fanquake: ACK 581c9be0d8bff46cd68bd6a3bf72f22d11c09aea Tree-SHA512: d016f39cdb85501e17a74a4c4db5a9f7404baa76fbcc3675a34d3cd7bf03d7a4cb4fd3e5f17cb0597248120bb5ac8b15d3db7663007b76b010902be72954bde0
222 lines
8.3 KiB
Python
Executable File
222 lines
8.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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 the wallet backup features.
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Test case is:
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4 nodes. 1 2 and 3 send transactions between each other,
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fourth node is a miner.
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1 2 3 each mine a block to start, then
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Miner creates 100 blocks so 1 2 3 each have 500 mature
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coins to spend.
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Then 5 iterations of 1/2/3 sending coins amongst
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themselves to get transactions in the wallets,
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and the miner mining one block.
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Wallets are backed up using dumpwallet/backupwallet.
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Then 5 more iterations of transactions and mining a block.
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Miner then generates 101 more blocks, so any
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transaction fees paid mature.
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Sanity check:
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Sum(1,2,3,4 balances) == 114*500
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1/2/3 are shutdown, and their wallets erased.
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Then restore using wallet.dat backup. And
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confirm 1/2/3/4 balances are same as before.
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Shutdown again, restore using importwallet,
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and confirm again balances are correct.
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"""
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from decimal import Decimal
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import os
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from random import randint
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import shutil
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal, assert_raises_rpc_error, connect_nodes
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class WalletBackupTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 4
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self.setup_clean_chain = True
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# nodes 1, 2,3 are spenders, let's give them a keypool=100
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# whitelist all peers to speed up tx relay / mempool sync
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self.extra_args = [
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["-keypool=100", "-whitelist=127.0.0.1"],
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["-keypool=100", "-whitelist=127.0.0.1"],
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["-keypool=100", "-whitelist=127.0.0.1"],
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["-whitelist=127.0.0.1"]
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]
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self.rpc_timeout = 120
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def setup_network(self):
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self.setup_nodes()
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connect_nodes(self.nodes[0], 3)
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connect_nodes(self.nodes[1], 3)
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connect_nodes(self.nodes[2], 3)
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connect_nodes(self.nodes[2], 0)
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self.sync_all()
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def one_send(self, from_node, to_address):
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if (randint(1,2) == 1):
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amount = Decimal(randint(1,10)) / Decimal(10)
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self.nodes[from_node].sendtoaddress(to_address, amount)
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def do_one_round(self):
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a0 = self.nodes[0].getnewaddress()
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a1 = self.nodes[1].getnewaddress()
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a2 = self.nodes[2].getnewaddress()
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self.one_send(0, a1)
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self.one_send(0, a2)
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self.one_send(1, a0)
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self.one_send(1, a2)
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self.one_send(2, a0)
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self.one_send(2, a1)
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# Have the miner (node3) mine a block.
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# Must sync mempools before mining.
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self.sync_mempools()
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self.nodes[3].generate(1)
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self.sync_blocks()
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# As above, this mirrors the original bash test.
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def start_three(self):
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self.start_node(0)
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self.start_node(1)
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self.start_node(2)
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connect_nodes(self.nodes[0], 3)
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connect_nodes(self.nodes[1], 3)
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connect_nodes(self.nodes[2], 3)
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connect_nodes(self.nodes[2], 0)
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def stop_three(self):
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self.stop_node(0)
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self.stop_node(1)
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self.stop_node(2)
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def erase_three(self):
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os.remove(os.path.join(self.nodes[0].datadir, self.chain, 'wallets', 'wallet.dat'))
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os.remove(os.path.join(self.nodes[1].datadir, self.chain, 'wallets', 'wallet.dat'))
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os.remove(os.path.join(self.nodes[2].datadir, self.chain, 'wallets', 'wallet.dat'))
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def run_test(self):
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self.log.info("Generating initial blockchain")
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self.nodes[0].generate(1)
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self.sync_blocks()
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self.nodes[1].generate(1)
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self.sync_blocks()
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self.nodes[2].generate(1)
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self.sync_blocks()
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self.nodes[3].generate(100)
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self.sync_blocks()
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assert_equal(self.nodes[0].getbalance(), 500)
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assert_equal(self.nodes[1].getbalance(), 500)
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assert_equal(self.nodes[2].getbalance(), 500)
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assert_equal(self.nodes[3].getbalance(), 0)
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self.log.info("Creating transactions")
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# Five rounds of sending each other transactions.
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for i in range(5):
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self.do_one_round()
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self.log.info("Backing up")
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self.nodes[0].backupwallet(os.path.join(self.nodes[0].datadir, 'wallet.bak'))
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self.nodes[0].dumpwallet(os.path.join(self.nodes[0].datadir, 'wallet.dump'))
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self.nodes[1].backupwallet(os.path.join(self.nodes[1].datadir, 'wallet.bak'))
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self.nodes[1].dumpwallet(os.path.join(self.nodes[1].datadir, 'wallet.dump'))
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self.nodes[2].backupwallet(os.path.join(self.nodes[2].datadir, 'wallet.bak'))
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self.nodes[2].dumpwallet(os.path.join(self.nodes[2].datadir, 'wallet.dump'))
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self.log.info("More transactions")
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for i in range(5):
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self.do_one_round()
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# Generate 101 more blocks, so any fees paid mature
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self.nodes[3].generate(101)
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self.sync_all()
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balance0 = self.nodes[0].getbalance()
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balance1 = self.nodes[1].getbalance()
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balance2 = self.nodes[2].getbalance()
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balance3 = self.nodes[3].getbalance()
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total = balance0 + balance1 + balance2 + balance3
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# At this point, there are 214 blocks (103 for setup, then 10 rounds, then 101.)
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# 114 are mature, so the sum of all wallets should be 114 * 500 = 57000.
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assert_equal(total, 57000)
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##
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# Test restoring spender wallets from backups
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##
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self.log.info("Restoring using wallet.dat")
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self.stop_three()
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self.erase_three()
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# Start node2 with no chain
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'blocks'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'chainstate'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'evodb'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'llmq'))
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# Restore wallets from backup
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shutil.copyfile(os.path.join(self.nodes[0].datadir, 'wallet.bak'), os.path.join(self.nodes[0].datadir, self.chain, 'wallets', 'wallet.dat'))
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shutil.copyfile(os.path.join(self.nodes[1].datadir, 'wallet.bak'), os.path.join(self.nodes[1].datadir, self.chain, 'wallets', 'wallet.dat'))
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shutil.copyfile(os.path.join(self.nodes[2].datadir, 'wallet.bak'), os.path.join(self.nodes[2].datadir, self.chain, 'wallets', 'wallet.dat'))
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self.log.info("Re-starting nodes")
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self.start_three()
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self.sync_blocks()
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assert_equal(self.nodes[0].getbalance(), balance0)
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assert_equal(self.nodes[1].getbalance(), balance1)
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assert_equal(self.nodes[2].getbalance(), balance2)
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self.log.info("Restoring using dumped wallet")
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self.stop_three()
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self.erase_three()
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#start node2 with no chain
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'blocks'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'chainstate'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'evodb'))
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shutil.rmtree(os.path.join(self.nodes[2].datadir, self.chain, 'llmq'))
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self.start_three()
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assert_equal(self.nodes[0].getbalance(), 0)
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assert_equal(self.nodes[1].getbalance(), 0)
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assert_equal(self.nodes[2].getbalance(), 0)
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self.nodes[0].importwallet(os.path.join(self.nodes[0].datadir, 'wallet.dump'))
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self.nodes[1].importwallet(os.path.join(self.nodes[1].datadir, 'wallet.dump'))
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self.nodes[2].importwallet(os.path.join(self.nodes[2].datadir, 'wallet.dump'))
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self.sync_blocks()
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assert_equal(self.nodes[0].getbalance(), balance0)
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assert_equal(self.nodes[1].getbalance(), balance1)
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assert_equal(self.nodes[2].getbalance(), balance2)
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# Backup to source wallet file must fail
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sourcePaths = [
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os.path.join(self.nodes[0].datadir, self.chain, 'wallets', 'wallet.dat'),
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os.path.join(self.nodes[0].datadir, self.chain, '.', 'wallets', 'wallet.dat'),
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os.path.join(self.nodes[0].datadir, self.chain, 'wallets', ''),
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os.path.join(self.nodes[0].datadir, self.chain, 'wallets')]
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for sourcePath in sourcePaths:
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assert_raises_rpc_error(-4, "backup failed", self.nodes[0].backupwallet, sourcePath)
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if __name__ == '__main__':
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WalletBackupTest().main()
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