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84 lines
3.5 KiB
84 lines
3.5 KiB
3 years ago
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#!/usr/bin/env python3
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# Copyright (c) 2017-2020 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test loadblock option
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Test the option to start a node with the option loadblock which loads
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a serialized blockchain from a file (usually called bootstrap.dat).
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To generate that file this test uses the helper scripts available
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in contrib/linearize.
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"""
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import os
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import subprocess
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import sys
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import tempfile
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import urllib
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from test_framework.blocktools import COINBASE_MATURITY
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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class LoadblockTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 2
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self.supports_cli = False
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def run_test(self):
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self.nodes[1].setnetworkactive(state=False)
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self.nodes[0].generate(COINBASE_MATURITY)
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# Parsing the url of our node to get settings for config file
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data_dir = self.nodes[0].datadir
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node_url = urllib.parse.urlparse(self.nodes[0].url)
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cfg_file = os.path.join(data_dir, "linearize.cfg")
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bootstrap_file = os.path.join(self.options.tmpdir, "bootstrap.dat")
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genesis_block = self.nodes[0].getblockhash(0)
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blocks_dir = os.path.join(data_dir, self.chain, "blocks")
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hash_list = tempfile.NamedTemporaryFile(dir=data_dir,
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mode='w',
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delete=False,
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encoding="utf-8")
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self.log.info("Create linearization config file")
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with open(cfg_file, "a", encoding="utf-8") as cfg:
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cfg.write("datadir={}\n".format(data_dir))
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cfg.write("rpcuser={}\n".format(node_url.username))
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cfg.write("rpcpassword={}\n".format(node_url.password))
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cfg.write("port={}\n".format(node_url.port))
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cfg.write("host={}\n".format(node_url.hostname))
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cfg.write("output_file={}\n".format(bootstrap_file))
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cfg.write("max_height=100\n")
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cfg.write("netmagic=fabfb5da\n")
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cfg.write("input={}\n".format(blocks_dir))
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cfg.write("genesis={}\n".format(genesis_block))
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cfg.write("hashlist={}\n".format(hash_list.name))
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base_dir = self.config["environment"]["SRCDIR"]
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linearize_dir = os.path.join(base_dir, "contrib", "linearize")
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self.log.info("Run linearization of block hashes")
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linearize_hashes_file = os.path.join(linearize_dir, "linearize-hashes.py")
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subprocess.run([sys.executable, linearize_hashes_file, cfg_file],
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stdout=hash_list,
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check=True)
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self.log.info("Run linearization of block data")
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linearize_data_file = os.path.join(linearize_dir, "linearize-data.py")
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subprocess.run([sys.executable, linearize_data_file, cfg_file],
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check=True)
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self.log.info("Restart second, unsynced node with bootstrap file")
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self.restart_node(1, extra_args=["-loadblock=" + bootstrap_file])
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assert_equal(self.nodes[1].getblockcount(), 100) # start_node is blocking on all block files being imported
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assert_equal(self.nodes[1].getblockchaininfo()['blocks'], 100)
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assert_equal(self.nodes[0].getbestblockhash(), self.nodes[1].getbestblockhash())
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if __name__ == '__main__':
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LoadblockTest().main()
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