Initial Vexta Core v0.1.0 release

test/functional/feature_loadblock.py

@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017-2021 The DigiByte Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test loadblock option
+
+Test the option to start a node with the option loadblock which loads
+a serialized blockchain from a file (usually called bootstrap.dat).
+To generate that file this test uses the helper scripts available
+in contrib/linearize.
+"""
+
+import os
+import subprocess
+import sys
+import tempfile
+import urllib
+
+from test_framework.blocktools import COINBASE_MATURITY_2
+from test_framework.test_framework import DigiByteTestFramework
+from test_framework.util import assert_equal
+
+
+class LoadblockTest(DigiByteTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 2
+        self.supports_cli = False
+
+    def run_test(self):
+        self.nodes[1].setnetworkactive(state=False)
+        self.generate(self.nodes[0], COINBASE_MATURITY_2, sync_fun=self.no_op)
+
+        # Parsing the url of our node to get settings for config file
+        data_dir = self.nodes[0].datadir
+        node_url = urllib.parse.urlparse(self.nodes[0].url)
+        cfg_file = os.path.join(data_dir, "linearize.cfg")
+        bootstrap_file = os.path.join(self.options.tmpdir, "bootstrap.dat")
+        genesis_block = self.nodes[0].getblockhash(0)
+        blocks_dir = os.path.join(data_dir, self.chain, "blocks")
+        hash_list = tempfile.NamedTemporaryFile(dir=data_dir,
+                                                mode='w',
+                                                delete=False,
+                                                encoding="utf-8")
+
+        self.log.info("Create linearization config file")
+        with open(cfg_file, "a", encoding="utf-8") as cfg:
+            cfg.write(f"datadir={data_dir}\n")
+            cfg.write(f"rpcuser={node_url.username}\n")
+            cfg.write(f"rpcpassword={node_url.password}\n")
+            cfg.write(f"port={node_url.port}\n")
+            cfg.write(f"host={node_url.hostname}\n")
+            cfg.write(f"output_file={bootstrap_file}\n")
+            cfg.write(f"max_height=100\n")
+            cfg.write(f"netmagic=56545852\n")
+            cfg.write(f"input={blocks_dir}\n")
+            cfg.write(f"genesis={genesis_block}\n")
+            cfg.write(f"hashlist={hash_list.name}\n")
+
+        base_dir = self.config["environment"]["SRCDIR"]
+        linearize_dir = os.path.join(base_dir, "contrib", "linearize")
+
+        self.log.info("Run linearization of block hashes")
+        linearize_hashes_file = os.path.join(linearize_dir, "linearize-hashes.py")
+
+        subprocess.run([sys.executable, linearize_hashes_file, cfg_file],
+                       stdout=hash_list,
+                       check=True)
+
+        self.log.info("Run linearization of block data")
+        linearize_data_file = os.path.join(linearize_dir, "linearize-data.py")
+        subprocess.run([sys.executable, linearize_data_file, cfg_file],
+                       check=True)
+
+        self.log.info("Restart second, unsynced node with bootstrap file")
+        self.restart_node(1, extra_args=[f"-loadblock={bootstrap_file}"])
+        assert_equal(self.nodes[1].getblockcount(), 100)  # start_node is blocking on all block files being imported
+
+        assert_equal(self.nodes[1].getblockchaininfo()['blocks'], 100)
+        assert_equal(self.nodes[0].getbestblockhash(), self.nodes[1].getbestblockhash())
+
+
+if __name__ == '__main__':
+    LoadblockTest().main()