text: #!/usr/bin/env python3
  # Copyright (c) 2017 The Bitcoin Core developers
  # Copyright (c) 2021 The BITRUBCOIN 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 bitrubcoind node can load multiple wallet files
  """
  
  import os
  import shutil
  
  from test_framework.test_framework import BitRubCoinTestFramework
  from test_framework.util import assert_equal, assert_raises_rpc_error
  from test_framework.test_node import ErrorMatch
  
  class MultiWalletTest(BitRubCoinTestFramework):
      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)
  
          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
          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:
              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: (The system cannot find the path specified|Not a 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 = r"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
          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 -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'], 250)
  
          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 = r"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'], 250 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(), 500)
          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()
  