#!/usr/bin/env python3 # Copyright (c) 2017-2020 The Bitcoin Core developers # Distributed under the MIT software license, see the accompanying # file COPYING or http://www.opensource.org/licenses/mit-license.php. """Test multiwallet. Verify that a bitcoind node can load multiple wallet files """ from decimal import Decimal from threading import Thread import os import shutil import stat import time from test_framework.authproxy import JSONRPCException from test_framework.test_framework import BitcoinTestFramework from test_framework.test_node import ErrorMatch from test_framework.util import ( assert_equal, assert_raises_rpc_error, get_rpc_proxy, ) got_loading_error = False def test_load_unload(node, name): global got_loading_error for _ in range(10): if got_loading_error: return try: node.loadwallet(name) node.unloadwallet(name) except JSONRPCException as e: if e.error['code'] == -4 and 'Wallet already being loading' in e.error['message']: got_loading_error = True return class MultiWalletTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 2 self.rpc_timeout = 120 self.extra_args = [["-nowallet"], []] def skip_test_if_missing_module(self): self.skip_if_no_wallet() def add_options(self, parser): parser.add_argument( '--data_wallets_dir', default=os.path.join(os.path.dirname(os.path.realpath(__file__)), 'data/wallets/'), help='Test data with wallet directories (default: %(default)s)', ) def run_test(self): node = self.nodes[0] data_dir = lambda *p: os.path.join(node.datadir, self.chain, *p) wallet_dir = lambda *p: data_dir('wallets', *p) wallet = lambda name: node.get_wallet_rpc(name) def wallet_file(name): if name == self.default_wallet_name: return wallet_dir(self.default_wallet_name, self.wallet_data_filename) if os.path.isdir(wallet_dir(name)): return wallet_dir(name, "wallet.dat") return wallet_dir(name) assert_equal(self.nodes[0].listwalletdir(), { 'wallets': [{ 'name': self.default_wallet_name }] }) # check wallet.dat is created self.stop_nodes() assert_equal(os.path.isfile(wallet_dir(self.default_wallet_name, self.wallet_data_filename)), True) # create symlink to verify wallet directory path can be referenced # through symlink os.mkdir(wallet_dir('w7')) os.symlink('w7', wallet_dir('w7_symlink')) os.symlink('..', wallet_dir('recursive_dir_symlink')) os.mkdir(wallet_dir('self_walletdat_symlink')) os.symlink('wallet.dat', wallet_dir('self_walletdat_symlink/wallet.dat')) # rename wallet.dat to make sure plain wallet file paths (as opposed to # directory paths) can be loaded # create another dummy wallet for use in testing backups later self.start_node(0) node.createwallet("empty") node.createwallet("plain") node.createwallet("created") self.stop_nodes() empty_wallet = os.path.join(self.options.tmpdir, 'empty.dat') os.rename(wallet_file("empty"), empty_wallet) shutil.rmtree(wallet_dir("empty")) empty_created_wallet = os.path.join(self.options.tmpdir, 'empty.created.dat') os.rename(wallet_dir("created", self.wallet_data_filename), empty_created_wallet) shutil.rmtree(wallet_dir("created")) os.rename(wallet_file("plain"), wallet_dir("w8")) shutil.rmtree(wallet_dir("plain")) # restart node with a mix of wallet names: # w1, w2, w3 - to verify new wallets created when non-existing paths specified # w - to verify wallet name matching works when one wallet path is prefix of another # sub/w5 - to verify relative wallet path is created correctly # extern/w6 - to verify absolute wallet path is created correctly # w7_symlink - to verify symlinked wallet path is initialized correctly # w8 - to verify existing wallet file is loaded correctly. Not tested for SQLite wallets as this is a deprecated BDB behavior. # '' - to verify default wallet file is created correctly to_create = ['w1', 'w2', 'w3', 'w', 'sub/w5', 'w7_symlink'] in_wallet_dir = [w.replace('/', os.path.sep) for w in to_create] # Wallets in the wallet dir in_wallet_dir.append('w7') # w7 is not loaded or created, but will be listed by listwalletdir because w7_symlink to_create.append(os.path.join(self.options.tmpdir, 'extern/w6')) # External, not in the wallet dir, so we need to avoid adding it to in_wallet_dir to_load = [self.default_wallet_name] if not self.options.descriptors: to_load.append('w8') wallet_names = to_create + to_load # Wallet names loaded in the wallet in_wallet_dir += to_load # The loaded wallets are also in the wallet dir self.start_node(0) for wallet_name in to_create: self.nodes[0].createwallet(wallet_name) for wallet_name in to_load: self.nodes[0].loadwallet(wallet_name) os.mkdir(wallet_dir('no_access')) os.chmod(wallet_dir('no_access'), 0) try: with self.nodes[0].assert_debug_log(expected_msgs=['Too many levels of symbolic links', 'Error scanning']): walletlist = self.nodes[0].listwalletdir()['wallets'] finally: # Need to ensure access is restored for cleanup os.chmod(wallet_dir('no_access'), stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR) assert_equal(sorted(map(lambda w: w['name'], walletlist)), sorted(in_wallet_dir)) assert_equal(set(node.listwallets()), set(wallet_names)) # should raise rpc error if wallet path can't be created err_code = -4 if self.options.descriptors else -1 assert_raises_rpc_error(err_code, "boost::filesystem::create_directory:", self.nodes[0].createwallet, "w8/bad") # check that all requested wallets were created self.stop_node(0) for wallet_name in wallet_names: assert_equal(os.path.isfile(wallet_file(wallet_name)), True) self.nodes[0].assert_start_raises_init_error(['-walletdir=wallets'], 'Error: Specified -walletdir "wallets" does not exist') self.nodes[0].assert_start_raises_init_error(['-walletdir=wallets'], 'Error: Specified -walletdir "wallets" is a relative path', cwd=data_dir()) self.nodes[0].assert_start_raises_init_error(['-walletdir=debug.log'], 'Error: Specified -walletdir "debug.log" is not a directory', cwd=data_dir()) self.start_node(0, ['-wallet=w1', '-wallet=w1']) self.stop_node(0, 'Warning: Ignoring duplicate -wallet w1.') if not self.options.descriptors: # Only BDB doesn't open duplicate wallet files. SQLite does not have this limitation. While this may be desired in the future, it is not necessary # should not initialize if one wallet is a copy of another shutil.copyfile(wallet_dir('w8'), wallet_dir('w8_copy')) in_wallet_dir.append('w8_copy') exp_stderr = r"BerkeleyDatabase: Can't open database w8_copy \(duplicates fileid \w+ from w8\)" self.nodes[0].assert_start_raises_init_error(['-wallet=w8', '-wallet=w8_copy'], exp_stderr, match=ErrorMatch.PARTIAL_REGEX) # should not initialize if wallet file is a symlink os.symlink('w8', wallet_dir('w8_symlink')) self.nodes[0].assert_start_raises_init_error(['-wallet=w8_symlink'], r'Error: Invalid -wallet path \'w8_symlink\'\. .*', match=ErrorMatch.FULL_REGEX) # should not initialize if the specified walletdir does not exist self.nodes[0].assert_start_raises_init_error(['-walletdir=bad'], 'Error: Specified -walletdir "bad" does not exist') # should not initialize if the specified walletdir is not a directory not_a_dir = wallet_dir('notadir') open(not_a_dir, 'a', encoding="utf8").close() self.nodes[0].assert_start_raises_init_error(['-walletdir=' + not_a_dir], 'Error: Specified -walletdir "' + not_a_dir + '" is not a directory') self.log.info("Do not allow -upgradewallet with multiwallet") self.nodes[0].assert_start_raises_init_error(['-upgradewallet'], "Error: Error parsing command line arguments: Invalid parameter -upgradewallet") # if wallets/ doesn't exist, datadir should be the default wallet dir wallet_dir2 = data_dir('walletdir') os.rename(wallet_dir(), wallet_dir2) self.start_node(0) self.nodes[0].createwallet("w4") self.nodes[0].createwallet("w5") assert_equal(set(node.listwallets()), {"w4", "w5"}) w5 = wallet("w5") node.generatetoaddress(nblocks=1, address=w5.getnewaddress()) # now if wallets/ exists again, but the rootdir is specified as the walletdir, w4 and w5 should still be loaded os.rename(wallet_dir2, wallet_dir()) self.restart_node(0, ['-nowallet', '-walletdir=' + data_dir()]) self.nodes[0].loadwallet("w4") self.nodes[0].loadwallet("w5") assert_equal(set(node.listwallets()), {"w4", "w5"}) w5 = wallet("w5") w5_info = w5.getwalletinfo() assert_equal(w5_info['immature_balance'], 50) competing_wallet_dir = os.path.join(self.options.tmpdir, 'competing_walletdir') os.mkdir(competing_wallet_dir) self.restart_node(0, ['-nowallet', '-walletdir=' + competing_wallet_dir]) self.nodes[0].createwallet(self.default_wallet_name) if self.options.descriptors: exp_stderr = r"Error: SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another bitcoind?" else: exp_stderr = r"Error: Error initializing wallet database environment \"\S+competing_walletdir\S*\"!" self.nodes[1].assert_start_raises_init_error(['-walletdir=' + competing_wallet_dir], exp_stderr, match=ErrorMatch.PARTIAL_REGEX) self.restart_node(0) for wallet_name in wallet_names: self.nodes[0].loadwallet(wallet_name) assert_equal(sorted(map(lambda w: w['name'], self.nodes[0].listwalletdir()['wallets'])), sorted(in_wallet_dir)) wallets = [wallet(w) for w in wallet_names] wallet_bad = wallet("bad") # check wallet names and balances node.generatetoaddress(nblocks=1, address=wallets[0].getnewaddress()) for wallet_name, wallet in zip(wallet_names, wallets): info = wallet.getwalletinfo() assert_equal(info['immature_balance'], 50 if wallet is wallets[0] else 0) assert_equal(info['walletname'], wallet_name) # accessing invalid wallet fails assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", wallet_bad.getwalletinfo) # accessing wallet RPC without using wallet endpoint fails assert_raises_rpc_error(-19, "Wallet file not specified", node.getwalletinfo) w1, w2, w3, w4, *_ = wallets node.generatetoaddress(nblocks=101, address=w1.getnewaddress()) assert_equal(w1.getbalance(), 100) assert_equal(w2.getbalance(), 0) assert_equal(w3.getbalance(), 0) assert_equal(w4.getbalance(), 0) w1.sendtoaddress(w2.getnewaddress(), 1) w1.sendtoaddress(w3.getnewaddress(), 2) w1.sendtoaddress(w4.getnewaddress(), 3) node.generatetoaddress(nblocks=1, address=w1.getnewaddress()) assert_equal(w2.getbalance(), 1) assert_equal(w3.getbalance(), 2) assert_equal(w4.getbalance(), 3) batch = w1.batch([w1.getblockchaininfo.get_request(), w1.getwalletinfo.get_request()]) assert_equal(batch[0]["result"]["chain"], self.chain) assert_equal(batch[1]["result"]["walletname"], "w1") self.log.info('Check for per-wallet settxfee call') assert_equal(w1.getwalletinfo()['paytxfee'], 0) assert_equal(w2.getwalletinfo()['paytxfee'], 0) w2.settxfee(0.001) assert_equal(w1.getwalletinfo()['paytxfee'], 0) assert_equal(w2.getwalletinfo()['paytxfee'], Decimal('0.00100000')) self.log.info("Test dynamic wallet loading") self.restart_node(0, ['-nowallet']) assert_equal(node.listwallets(), []) assert_raises_rpc_error(-18, "No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)", node.getwalletinfo) self.log.info("Load first wallet") loadwallet_name = node.loadwallet(wallet_names[0]) assert_equal(loadwallet_name['name'], wallet_names[0]) assert_equal(node.listwallets(), wallet_names[0:1]) node.getwalletinfo() w1 = node.get_wallet_rpc(wallet_names[0]) w1.getwalletinfo() self.log.info("Load second wallet") loadwallet_name = node.loadwallet(wallet_names[1]) assert_equal(loadwallet_name['name'], wallet_names[1]) assert_equal(node.listwallets(), wallet_names[0:2]) assert_raises_rpc_error(-19, "Wallet file not specified", node.getwalletinfo) w2 = node.get_wallet_rpc(wallet_names[1]) w2.getwalletinfo() self.log.info("Concurrent wallet loading") threads = [] for _ in range(3): n = node.cli if self.options.usecli else get_rpc_proxy(node.url, 1, timeout=600, coveragedir=node.coverage_dir) t = Thread(target=test_load_unload, args=(n, wallet_names[2], )) t.start() threads.append(t) for t in threads: t.join() global got_loading_error assert_equal(got_loading_error, True) self.log.info("Load remaining wallets") for wallet_name in wallet_names[2:]: loadwallet_name = self.nodes[0].loadwallet(wallet_name) assert_equal(loadwallet_name['name'], wallet_name) assert_equal(set(self.nodes[0].listwallets()), set(wallet_names)) # Fail to load if wallet doesn't exist path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "wallets") assert_raises_rpc_error(-18, "Wallet file verification failed. Failed to load database path '{}'. Path does not exist.".format(path), self.nodes[0].loadwallet, 'wallets') # Fail to load duplicate wallets path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "w1", "wallet.dat") if self.options.descriptors: assert_raises_rpc_error(-4, "Wallet file verification failed. SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another bitcoind?", self.nodes[0].loadwallet, wallet_names[0]) else: assert_raises_rpc_error(-4, "Wallet file verification failed. Refusing to load database. Data file '{}' is already loaded.".format(path), self.nodes[0].loadwallet, wallet_names[0]) # This tests the default wallet that BDB makes, so SQLite wallet doesn't need to test this # Fail to load duplicate wallets by different ways (directory and filepath) path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "wallet.dat") assert_raises_rpc_error(-4, "Wallet file verification failed. Refusing to load database. Data file '{}' is already loaded.".format(path), self.nodes[0].loadwallet, 'wallet.dat') # Only BDB doesn't open duplicate wallet files. SQLite does not have this limitation. While this may be desired in the future, it is not necessary # Fail to load if one wallet is a copy of another assert_raises_rpc_error(-4, "BerkeleyDatabase: Can't open database w8_copy (duplicates fileid", self.nodes[0].loadwallet, 'w8_copy') # Fail to load if one wallet is a copy of another, test this twice to make sure that we don't re-introduce #14304 assert_raises_rpc_error(-4, "BerkeleyDatabase: Can't open database w8_copy (duplicates fileid", self.nodes[0].loadwallet, 'w8_copy') # Fail to load if wallet file is a symlink assert_raises_rpc_error(-4, "Wallet file verification failed. Invalid -wallet path 'w8_symlink'", self.nodes[0].loadwallet, 'w8_symlink') # Fail to load if a directory is specified that doesn't contain a wallet os.mkdir(wallet_dir('empty_wallet_dir')) path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "empty_wallet_dir") assert_raises_rpc_error(-18, "Wallet file verification failed. Failed to load database path '{}'. Data is not in recognized format.".format(path), self.nodes[0].loadwallet, 'empty_wallet_dir') self.log.info("Test dynamic wallet creation.") # Fail to create a wallet if it already exists. path = os.path.join(self.options.tmpdir, "node0", "regtest", "wallets", "w2") assert_raises_rpc_error(-4, "Failed to create database path '{}'. Database already exists.".format(path), self.nodes[0].createwallet, 'w2') # Successfully create a wallet with a new name loadwallet_name = self.nodes[0].createwallet('w9') in_wallet_dir.append('w9') assert_equal(loadwallet_name['name'], 'w9') w9 = node.get_wallet_rpc('w9') assert_equal(w9.getwalletinfo()['walletname'], 'w9') assert 'w9' in self.nodes[0].listwallets() # Successfully create a wallet using a full path new_wallet_dir = os.path.join(self.options.tmpdir, 'new_walletdir') new_wallet_name = os.path.join(new_wallet_dir, 'w10') loadwallet_name = self.nodes[0].createwallet(new_wallet_name) assert_equal(loadwallet_name['name'], new_wallet_name) w10 = node.get_wallet_rpc(new_wallet_name) assert_equal(w10.getwalletinfo()['walletname'], new_wallet_name) assert new_wallet_name in self.nodes[0].listwallets() self.log.info("Test dynamic wallet unloading") # Test `unloadwallet` errors assert_raises_rpc_error(-1, "JSON value is not a string as expected", self.nodes[0].unloadwallet) assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", self.nodes[0].unloadwallet, "dummy") assert_raises_rpc_error(-18, "Requested wallet does not exist or is not loaded", node.get_wallet_rpc("dummy").unloadwallet) assert_raises_rpc_error(-8, "RPC endpoint wallet and wallet_name parameter specify different wallets", w1.unloadwallet, "w2"), # Successfully unload the specified wallet name self.nodes[0].unloadwallet("w1") assert 'w1' not in self.nodes[0].listwallets() # Unload w1 again, this time providing the wallet name twice self.nodes[0].loadwallet("w1") assert 'w1' in self.nodes[0].listwallets() w1.unloadwallet("w1") assert 'w1' not in self.nodes[0].listwallets() # Successfully unload the wallet referenced by the request endpoint # Also ensure unload works during walletpassphrase timeout w2.encryptwallet('test') w2.walletpassphrase('test', 1) w2.unloadwallet() time.sleep(1.1) assert 'w2' not in self.nodes[0].listwallets() # Successfully unload all wallets for wallet_name in self.nodes[0].listwallets(): self.nodes[0].unloadwallet(wallet_name) assert_equal(self.nodes[0].listwallets(), []) assert_raises_rpc_error(-18, "No wallet is loaded. Load a wallet using loadwallet or create a new one with createwallet. (Note: A default wallet is no longer automatically created)", self.nodes[0].getwalletinfo) # Successfully load a previously unloaded wallet self.nodes[0].loadwallet('w1') assert_equal(self.nodes[0].listwallets(), ['w1']) assert_equal(w1.getwalletinfo()['walletname'], 'w1') assert_equal(sorted(map(lambda w: w['name'], self.nodes[0].listwalletdir()['wallets'])), sorted(in_wallet_dir)) # Test backing up and restoring wallets self.log.info("Test wallet backup") self.restart_node(0, ['-nowallet']) for wallet_name in wallet_names: self.nodes[0].loadwallet(wallet_name) for wallet_name in wallet_names: rpc = self.nodes[0].get_wallet_rpc(wallet_name) addr = rpc.getnewaddress() backup = os.path.join(self.options.tmpdir, 'backup.dat') if os.path.exists(backup): os.unlink(backup) rpc.backupwallet(backup) self.nodes[0].unloadwallet(wallet_name) shutil.copyfile(empty_created_wallet if wallet_name == self.default_wallet_name else empty_wallet, wallet_file(wallet_name)) self.nodes[0].loadwallet(wallet_name) assert_equal(rpc.getaddressinfo(addr)['ismine'], False) self.nodes[0].unloadwallet(wallet_name) shutil.copyfile(backup, wallet_file(wallet_name)) self.nodes[0].loadwallet(wallet_name) assert_equal(rpc.getaddressinfo(addr)['ismine'], True) # Test .walletlock file is closed self.start_node(1) wallet = os.path.join(self.options.tmpdir, 'my_wallet') self.nodes[0].createwallet(wallet) if self.options.descriptors: assert_raises_rpc_error(-4, "Unable to obtain an exclusive lock", self.nodes[1].loadwallet, wallet) else: assert_raises_rpc_error(-4, "Error initializing wallet database environment", self.nodes[1].loadwallet, wallet) self.nodes[0].unloadwallet(wallet) self.nodes[1].loadwallet(wallet) if __name__ == '__main__': MultiWalletTest().main()