#!/usr/bin/env python3 # Copyright (c) 2017-2018 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 """ import os import shutil import time 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, ) class MultiWalletTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True self.num_nodes = 2 self.supports_cli = True def skip_test_if_missing_module(self): self.skip_if_no_wallet() def run_test(self): node = self.nodes[0] data_dir = lambda *p: os.path.join(node.datadir, 'regtest', *p) wallet_dir = lambda *p: data_dir('wallets', *p) wallet = lambda name: node.get_wallet_rpc(name) def wallet_file(name): if os.path.isdir(wallet_dir(name)): return wallet_dir(name, "wallet.dat") return wallet_dir(name) # check wallet.dat is created self.stop_nodes() assert_equal(os.path.isfile(wallet_dir('wallet.dat')), True) # create symlink to verify wallet directory path can be referenced # through symlink if os.name != 'nt': os.mkdir(wallet_dir('w7')) os.symlink('w7', wallet_dir('w7_symlink')) # rename wallet.dat to make sure plain wallet file paths (as opposed to # directory paths) can be loaded os.rename(wallet_dir("wallet.dat"), wallet_dir("w8")) # create another dummy wallet for use in testing backups later self.start_node(0, []) self.stop_nodes() empty_wallet = os.path.join(self.options.tmpdir, 'empty.dat') os.rename(wallet_dir("wallet.dat"), empty_wallet) # 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 # '' - to verify default wallet file is created correctly wallet_names = ['w1', 'w2', 'w3', 'w', 'sub/w5', os.path.join(self.options.tmpdir, 'extern/w6'), 'w7_symlink', 'w8', ''] if os.name == 'nt': wallet_names.remove('w7_symlink') extra_args = ['-wallet={}'.format(n) for n in wallet_names] self.start_node(0, extra_args) assert_equal(set(node.listwallets()), set(wallet_names)) # 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) # should not initialize if wallet path can't be created exp_stderr = "boost::filesystem::create_directory:" self.nodes[0].assert_start_raises_init_error(['-wallet=wallet.dat/bad'], exp_stderr, match=ErrorMatch.PARTIAL_REGEX) 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()) # should not initialize if there are duplicate wallets self.nodes[0].assert_start_raises_init_error(['-wallet=w1', '-wallet=w1'], 'Error: Error loading wallet w1. Duplicate -wallet filename specified.') # should not initialize if one wallet is a copy of another shutil.copyfile(wallet_dir('w8'), wallet_dir('w8_copy')) exp_stderr = "BerkeleyBatch: 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 if os.name != 'nt': os.symlink('w8', wallet_dir('w8_symlink')) self.nodes[0].assert_start_raises_init_error(['-wallet=w8_symlink'], '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 -zapwallettxes with multiwallet") self.nodes[0].assert_start_raises_init_error(['-zapwallettxes', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file") self.nodes[0].assert_start_raises_init_error(['-zapwallettxes=1', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file") self.nodes[0].assert_start_raises_init_error(['-zapwallettxes=2', '-wallet=w1', '-wallet=w2'], "Error: -zapwallettxes is only allowed with a single wallet file") self.log.info("Do not allow -salvagewallet with multiwallet") self.nodes[0].assert_start_raises_init_error(['-salvagewallet', '-wallet=w1', '-wallet=w2'], "Error: -salvagewallet is only allowed with a single wallet file") self.nodes[0].assert_start_raises_init_error(['-salvagewallet=1', '-wallet=w1', '-wallet=w2'], "Error: -salvagewallet is only allowed with a single wallet file") self.log.info("Do not allow -upgradewallet with multiwallet") self.nodes[0].assert_start_raises_init_error(['-upgradewallet', '-wallet=w1', '-wallet=w2'], "Error: -upgradewallet is only allowed with a single wallet file") self.nodes[0].assert_start_raises_init_error(['-upgradewallet=1', '-wallet=w1', '-wallet=w2'], "Error: -upgradewallet is only allowed with a single wallet file") # 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, ['-wallet=w4', '-wallet=w5']) assert_equal(set(node.listwallets()), {"w4", "w5"}) w5 = wallet("w5") w5.generate(1) # 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, ['-wallet=w4', '-wallet=w5', '-walletdir=' + data_dir()]) 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, ['-walletdir=' + competing_wallet_dir]) exp_stderr = "Error: Error initializing wallet database environment \"\S+competing_walletdir\"!" self.nodes[1].assert_start_raises_init_error(['-walletdir=' + competing_wallet_dir], exp_stderr, match=ErrorMatch.PARTIAL_REGEX) self.restart_node(0, extra_args) wallets = [wallet(w) for w in wallet_names] wallet_bad = wallet("bad") # check wallet names and balances wallets[0].generate(1) 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 w1.generate(101) 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) w1.generate(1) 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"], "regtest") 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(4.0) assert_equal(w1.getwalletinfo()['paytxfee'], 0) assert_equal(w2.getwalletinfo()['paytxfee'], 4.0) self.log.info("Test dynamic wallet loading") self.restart_node(0, ['-nowallet']) assert_equal(node.listwallets(), []) assert_raises_rpc_error(-32601, "Method not found", 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("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 assert_raises_rpc_error(-18, 'Wallet wallets not found.', self.nodes[0].loadwallet, 'wallets') # Fail to load duplicate wallets assert_raises_rpc_error(-4, 'Wallet file verification failed: Error loading wallet w1. Duplicate -wallet filename specified.', self.nodes[0].loadwallet, wallet_names[0]) # Fail to load if one wallet is a copy of another assert_raises_rpc_error(-1, "BerkeleyBatch: Can't open database w8_copy (duplicates fileid", self.nodes[0].loadwallet, 'w8_copy') # Fail to load if wallet file is a symlink if os.name != 'nt': 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')) assert_raises_rpc_error(-18, "Directory empty_wallet_dir does not contain a wallet.dat file", self.nodes[0].loadwallet, 'empty_wallet_dir') self.log.info("Test dynamic wallet creation.") # Fail to create a wallet if it already exists. assert_raises_rpc_error(-4, "Wallet w2 already exists.", self.nodes[0].createwallet, 'w2') # Successfully create a wallet with a new name loadwallet_name = self.nodes[0].createwallet('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, "Cannot unload the requested wallet", w1.unloadwallet, "w2"), # Successfully unload the specified wallet name self.nodes[0].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(-32601, "Method not found (wallet method is disabled because no wallet is loaded)", 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') # 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') rpc.backupwallet(backup) self.nodes[0].unloadwallet(wallet_name) shutil.copyfile(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) if __name__ == '__main__': MultiWalletTest().main()