Initial Vexta Core v0.1.0 release

test/functional/feature_filelock.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+# Copyright (c) 2018-2021 The DigiByte Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Check that it's not possible to start a second digibyted instance using the same datadir or wallet."""
+import os
+import random
+import string
+
+from test_framework.test_framework import DigiByteTestFramework
+from test_framework.test_node import ErrorMatch
+
+class FilelockTest(DigiByteTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 2
+
+    def setup_network(self):
+        self.add_nodes(self.num_nodes, extra_args=None)
+        self.nodes[0].start()
+        self.nodes[0].wait_for_rpc_connection()
+
+    def run_test(self):
+        datadir = os.path.join(self.nodes[0].datadir, self.chain)
+        self.log.info(f"Using datadir {datadir}")
+
+        self.log.info("Check that we can't start a second digibyted instance using the same datadir")
+        expected_msg = f"Error: Cannot obtain a lock on data directory {datadir}. {self.config['environment']['PACKAGE_NAME']} is probably already running."
+        self.nodes[1].assert_start_raises_init_error(extra_args=[f'-datadir={self.nodes[0].datadir}', '-noserver'], expected_msg=expected_msg)
+
+        if self.is_wallet_compiled():
+            def check_wallet_filelock(descriptors):
+                wallet_name = ''.join([random.choice(string.ascii_lowercase) for _ in range(6)])
+                self.nodes[0].createwallet(wallet_name=wallet_name, descriptors=descriptors)
+                wallet_dir = os.path.join(datadir, 'wallets')
+                self.log.info("Check that we can't start a second digibyted instance using the same wallet")
+                if descriptors:
+                    expected_msg = f"Error: SQLiteDatabase: Unable to obtain an exclusive lock on the database, is it being used by another instance of {self.config['environment']['PACKAGE_NAME']}?"
+                else:
+                    expected_msg = "Error: Error initializing wallet database environment"
+                self.nodes[1].assert_start_raises_init_error(extra_args=[f'-walletdir={wallet_dir}', f'-wallet={wallet_name}', '-noserver'], expected_msg=expected_msg, match=ErrorMatch.PARTIAL_REGEX)
+
+            if self.is_bdb_compiled():
+                check_wallet_filelock(False)
+            if self.is_sqlite_compiled():
+                check_wallet_filelock(True)
+
+if __name__ == '__main__':
+    FilelockTest().main()