#!/usr/bin/env python3 # Copyright (c) 2017 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 from test_framework.test_framework import BitcoinTestFramework 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 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) # 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 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")) # 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', ''] 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: if os.path.isdir(wallet_dir(wallet_name)): assert_equal(os.path.isfile(wallet_dir(wallet_name, "wallet.dat")), True) else: assert_equal(os.path.isfile(wallet_dir(wallet_name)), True) # should not initialize if wallet path can't be created self.assert_start_raises_init_error(0, ['-wallet=wallet.dat/bad'], 'Not a directory') self.assert_start_raises_init_error(0, ['-walletdir=wallets'], 'Error: Specified -walletdir "wallets" does not exist') self.assert_start_raises_init_error(0, ['-walletdir=wallets'], 'Error: Specified -walletdir "wallets" is a relative path', cwd=data_dir()) self.assert_start_raises_init_error(0, ['-walletdir=debug.log'], 'Error: Specified -walletdir "debug.log" is not a directory', cwd=data_dir()) # should not initialize if there are duplicate wallets self.assert_start_raises_init_error(0, ['-wallet=w1', '-wallet=w1'], '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')) self.assert_start_raises_init_error(0, ['-wallet=w8', '-wallet=w8_copy'], 'duplicates fileid') # should not initialize if wallet file is a symlink os.symlink('w8', wallet_dir('w8_symlink')) self.assert_start_raises_init_error(0, ['-wallet=w8_symlink'], 'Invalid -wallet path') # should not initialize if the specified walletdir does not exist self.assert_start_raises_init_error(0, ['-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').close() self.assert_start_raises_init_error(0, ['-walletdir=' + not_a_dir], 'Error: Specified -walletdir "' + not_a_dir + '" is not a directory') # 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]) self.assert_start_raises_init_error(1, ['-walletdir='+competing_wallet_dir], 'Error initializing wallet database environment') 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") if __name__ == '__main__': MultiWalletTest().main()