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dad8c67d38
64c0800Use logging in individual tests (John Newbery)38ad281Use logging in test_framework/comptool.py (John Newbery)ff19073Use logging in test_framework/blockstore.py (John Newbery)2a9c7c7Use logging in test_framework/util.py (John Newbery)b0dec4aRemove manual debug settings in qa tests. (John Newbery)af1363cAlways enable debug log and microsecond logging for test nodes. (John Newbery)6d0e325Use logging in mininode.py (John Newbery)553a976Add logging to p2p-segwit.py (John Newbery)0e6d23dAdd logging to test_framework.py (John Newbery) Tree-SHA512: 42ee2acbf444ec32d796f930f9f6e272da03c75e93d974a126d4ea9b2dbaa77cc57ab5e63ce3fd33d609049d884eb8d9f65272c08922d10f8db69d4a60ad05a3
201 lines
7.1 KiB
Python
Executable File
201 lines
7.1 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 test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import *
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from random import randint
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class WalletBackupTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 4
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# nodes 1, 2,3 are spenders, let's give them a keypool=100
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self.extra_args = [["-keypool=100"], ["-keypool=100"], ["-keypool=100"], []]
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# This mirrors how the network was setup in the bash test
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def setup_network(self, split=False):
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, self.extra_args)
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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.is_network_split=False
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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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sync_mempools(self.nodes)
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self.nodes[3].generate(1)
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sync_blocks(self.nodes)
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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.nodes[0] = start_node(0, self.options.tmpdir)
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self.nodes[1] = start_node(1, self.options.tmpdir)
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self.nodes[2] = start_node(2, self.options.tmpdir)
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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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stop_node(self.nodes[0], 0)
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stop_node(self.nodes[1], 1)
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stop_node(self.nodes[2], 2)
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def erase_three(self):
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os.remove(self.options.tmpdir + "/node0/regtest/wallet.dat")
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os.remove(self.options.tmpdir + "/node1/regtest/wallet.dat")
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os.remove(self.options.tmpdir + "/node2/regtest/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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sync_blocks(self.nodes)
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self.nodes[1].generate(1)
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sync_blocks(self.nodes)
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self.nodes[2].generate(1)
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sync_blocks(self.nodes)
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self.nodes[3].generate(100)
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sync_blocks(self.nodes)
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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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tmpdir = self.options.tmpdir
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self.nodes[0].backupwallet(tmpdir + "/node0/wallet.bak")
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self.nodes[0].dumpwallet(tmpdir + "/node0/wallet.dump")
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self.nodes[1].backupwallet(tmpdir + "/node1/wallet.bak")
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self.nodes[1].dumpwallet(tmpdir + "/node1/wallet.dump")
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self.nodes[2].backupwallet(tmpdir + "/node2/wallet.bak")
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self.nodes[2].dumpwallet(tmpdir + "/node2/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(self.options.tmpdir + "/node2/regtest/blocks")
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shutil.rmtree(self.options.tmpdir + "/node2/regtest/chainstate")
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shutil.rmtree(self.options.tmpdir + "/node2/regtest/evodb")
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# Restore wallets from backup
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shutil.copyfile(tmpdir + "/node0/wallet.bak", tmpdir + "/node0/regtest/wallet.dat")
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shutil.copyfile(tmpdir + "/node1/wallet.bak", tmpdir + "/node1/regtest/wallet.dat")
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shutil.copyfile(tmpdir + "/node2/wallet.bak", tmpdir + "/node2/regtest/wallet.dat")
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self.log.info("Re-starting nodes")
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self.start_three()
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sync_blocks(self.nodes)
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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(self.options.tmpdir + "/node2/regtest/blocks")
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shutil.rmtree(self.options.tmpdir + "/node2/regtest/chainstate")
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shutil.rmtree(self.options.tmpdir + "/node2/regtest/evodb")
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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(tmpdir + "/node0/wallet.dump")
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self.nodes[1].importwallet(tmpdir + "/node1/wallet.dump")
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self.nodes[2].importwallet(tmpdir + "/node2/wallet.dump")
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sync_blocks(self.nodes)
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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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if __name__ == '__main__':
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WalletBackupTest().main()
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