4ed3653
[qa] Bugfix: allow overriding extra_args in ComparisonTestFramework (Suhas Daftuar)
Tree-SHA512: d8f724b3324aad73a7b15cf87ff394e8d615bf3cd5a394d5715347d833f2ae9ac745a944202986866255eca5fc105ea06ab3abe12e168b67de34482f751c68e2
390 lines
16 KiB
Python
Executable file
390 lines
16 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2014-2016 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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"""Base class for RPC testing."""
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from collections import deque
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from enum import Enum
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import logging
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import optparse
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import os
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import shutil
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import subprocess
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import sys
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import tempfile
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import time
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from .util import (
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PortSeed,
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MAX_NODES,
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bitcoind_processes,
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check_json_precision,
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connect_nodes_bi,
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disable_mocktime,
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disconnect_nodes,
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enable_coverage,
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enable_mocktime,
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get_mocktime,
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get_rpc_proxy,
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initialize_datadir,
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get_datadir_path,
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log_filename,
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p2p_port,
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rpc_url,
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set_node_times,
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_start_node,
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_start_nodes,
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_stop_node,
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_stop_nodes,
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sync_blocks,
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sync_mempools,
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wait_for_bitcoind_start,
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)
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from .authproxy import JSONRPCException
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class TestStatus(Enum):
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PASSED = 1
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FAILED = 2
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SKIPPED = 3
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TEST_EXIT_PASSED = 0
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TEST_EXIT_FAILED = 1
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TEST_EXIT_SKIPPED = 77
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class BitcoinTestFramework(object):
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"""Base class for a bitcoin test script.
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Individual bitcoin test scripts should subclass this class and override the following methods:
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- __init__()
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- add_options()
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- setup_chain()
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- setup_network()
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- run_test()
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The main() method should not be overridden.
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This class also contains various public and private helper methods."""
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# Methods to override in subclass test scripts.
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def __init__(self):
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self.num_nodes = 4
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self.setup_clean_chain = False
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self.nodes = None
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def add_options(self, parser):
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pass
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def setup_chain(self):
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self.log.info("Initializing test directory "+self.options.tmpdir)
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if self.setup_clean_chain:
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self._initialize_chain_clean(self.options.tmpdir, self.num_nodes)
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else:
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self._initialize_chain(self.options.tmpdir, self.num_nodes, self.options.cachedir)
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def setup_network(self):
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self.setup_nodes()
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# Connect the nodes as a "chain". This allows us
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# to split the network between nodes 1 and 2 to get
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# two halves that can work on competing chains.
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for i in range(self.num_nodes - 1):
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connect_nodes_bi(self.nodes, i, i + 1)
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self.sync_all()
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def setup_nodes(self):
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extra_args = None
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if hasattr(self, "extra_args"):
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extra_args = self.extra_args
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self.nodes = _start_nodes(self.num_nodes, self.options.tmpdir, extra_args)
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def run_test(self):
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raise NotImplementedError
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# Main function. This should not be overridden by the subclass test scripts.
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def main(self):
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parser = optparse.OptionParser(usage="%prog [options]")
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parser.add_option("--nocleanup", dest="nocleanup", default=False, action="store_true",
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help="Leave bitcoinds and test.* datadir on exit or error")
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parser.add_option("--noshutdown", dest="noshutdown", default=False, action="store_true",
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help="Don't stop bitcoinds after the test execution")
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parser.add_option("--srcdir", dest="srcdir", default=os.path.normpath(os.path.dirname(os.path.realpath(__file__))+"/../../../src"),
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help="Source directory containing bitcoind/bitcoin-cli (default: %default)")
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parser.add_option("--cachedir", dest="cachedir", default=os.path.normpath(os.path.dirname(os.path.realpath(__file__))+"/../../cache"),
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help="Directory for caching pregenerated datadirs")
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parser.add_option("--tmpdir", dest="tmpdir", help="Root directory for datadirs")
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parser.add_option("-l", "--loglevel", dest="loglevel", default="INFO",
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help="log events at this level and higher to the console. Can be set to DEBUG, INFO, WARNING, ERROR or CRITICAL. Passing --loglevel DEBUG will output all logs to console. Note that logs at all levels are always written to the test_framework.log file in the temporary test directory.")
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parser.add_option("--tracerpc", dest="trace_rpc", default=False, action="store_true",
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help="Print out all RPC calls as they are made")
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parser.add_option("--portseed", dest="port_seed", default=os.getpid(), type='int',
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help="The seed to use for assigning port numbers (default: current process id)")
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parser.add_option("--coveragedir", dest="coveragedir",
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help="Write tested RPC commands into this directory")
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parser.add_option("--configfile", dest="configfile",
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help="Location of the test framework config file")
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self.add_options(parser)
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(self.options, self.args) = parser.parse_args()
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if self.options.coveragedir:
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enable_coverage(self.options.coveragedir)
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PortSeed.n = self.options.port_seed
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os.environ['PATH'] = self.options.srcdir+":"+self.options.srcdir+"/qt:"+os.environ['PATH']
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check_json_precision()
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# Set up temp directory and start logging
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if self.options.tmpdir:
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os.makedirs(self.options.tmpdir, exist_ok=False)
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else:
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self.options.tmpdir = tempfile.mkdtemp(prefix="test")
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self._start_logging()
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success = TestStatus.FAILED
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try:
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self.setup_chain()
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self.setup_network()
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self.run_test()
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success = TestStatus.PASSED
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except JSONRPCException as e:
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self.log.exception("JSONRPC error")
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except SkipTest as e:
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self.log.warning("Test Skipped: %s" % e.message)
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success = TestStatus.SKIPPED
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except AssertionError as e:
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self.log.exception("Assertion failed")
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except KeyError as e:
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self.log.exception("Key error")
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except Exception as e:
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self.log.exception("Unexpected exception caught during testing")
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except KeyboardInterrupt as e:
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self.log.warning("Exiting after keyboard interrupt")
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if not self.options.noshutdown:
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self.log.info("Stopping nodes")
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if self.nodes:
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self.stop_nodes()
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else:
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self.log.info("Note: bitcoinds were not stopped and may still be running")
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if not self.options.nocleanup and not self.options.noshutdown and success != TestStatus.FAILED:
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self.log.info("Cleaning up")
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shutil.rmtree(self.options.tmpdir)
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else:
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self.log.warning("Not cleaning up dir %s" % self.options.tmpdir)
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if os.getenv("PYTHON_DEBUG", ""):
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# Dump the end of the debug logs, to aid in debugging rare
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# travis failures.
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import glob
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filenames = [self.options.tmpdir + "/test_framework.log"]
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filenames += glob.glob(self.options.tmpdir + "/node*/regtest/debug.log")
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MAX_LINES_TO_PRINT = 1000
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for fn in filenames:
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try:
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with open(fn, 'r') as f:
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print("From" , fn, ":")
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print("".join(deque(f, MAX_LINES_TO_PRINT)))
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except OSError:
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print("Opening file %s failed." % fn)
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traceback.print_exc()
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if success == TestStatus.PASSED:
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self.log.info("Tests successful")
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sys.exit(TEST_EXIT_PASSED)
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elif success == TestStatus.SKIPPED:
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self.log.info("Test skipped")
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sys.exit(TEST_EXIT_SKIPPED)
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else:
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self.log.error("Test failed. Test logging available at %s/test_framework.log", self.options.tmpdir)
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logging.shutdown()
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sys.exit(TEST_EXIT_FAILED)
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# Public helper methods. These can be accessed by the subclass test scripts.
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def start_node(self, i, dirname, extra_args=None, rpchost=None, timewait=None, binary=None, stderr=None):
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return _start_node(i, dirname, extra_args, rpchost, timewait, binary, stderr)
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def start_nodes(self, num_nodes, dirname, extra_args=None, rpchost=None, timewait=None, binary=None):
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return _start_nodes(num_nodes, dirname, extra_args, rpchost, timewait, binary)
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def stop_node(self, num_node):
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_stop_node(self.nodes[num_node], num_node)
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def stop_nodes(self):
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_stop_nodes(self.nodes)
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def split_network(self):
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"""
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Split the network of four nodes into nodes 0/1 and 2/3.
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"""
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disconnect_nodes(self.nodes[1], 2)
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disconnect_nodes(self.nodes[2], 1)
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self.sync_all([self.nodes[:2], self.nodes[2:]])
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def join_network(self):
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"""
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Join the (previously split) network halves together.
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"""
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connect_nodes_bi(self.nodes, 1, 2)
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self.sync_all()
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def sync_all(self, node_groups=None):
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if not node_groups:
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node_groups = [self.nodes]
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for group in node_groups:
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sync_blocks(group)
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sync_mempools(group)
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# Private helper methods. These should not be accessed by the subclass test scripts.
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def _start_logging(self):
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# Add logger and logging handlers
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self.log = logging.getLogger('TestFramework')
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self.log.setLevel(logging.DEBUG)
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# Create file handler to log all messages
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fh = logging.FileHandler(self.options.tmpdir + '/test_framework.log')
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fh.setLevel(logging.DEBUG)
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# Create console handler to log messages to stderr. By default this logs only error messages, but can be configured with --loglevel.
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ch = logging.StreamHandler(sys.stdout)
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# User can provide log level as a number or string (eg DEBUG). loglevel was caught as a string, so try to convert it to an int
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ll = int(self.options.loglevel) if self.options.loglevel.isdigit() else self.options.loglevel.upper()
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ch.setLevel(ll)
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# Format logs the same as bitcoind's debug.log with microprecision (so log files can be concatenated and sorted)
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formatter = logging.Formatter(fmt = '%(asctime)s.%(msecs)03d000 %(name)s (%(levelname)s): %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
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formatter.converter = time.gmtime
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fh.setFormatter(formatter)
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ch.setFormatter(formatter)
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# add the handlers to the logger
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self.log.addHandler(fh)
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self.log.addHandler(ch)
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if self.options.trace_rpc:
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rpc_logger = logging.getLogger("BitcoinRPC")
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rpc_logger.setLevel(logging.DEBUG)
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rpc_handler = logging.StreamHandler(sys.stdout)
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rpc_handler.setLevel(logging.DEBUG)
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rpc_logger.addHandler(rpc_handler)
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def _initialize_chain(self, test_dir, num_nodes, cachedir):
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"""Initialize a pre-mined blockchain for use by the test.
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Create a cache of a 200-block-long chain (with wallet) for MAX_NODES
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Afterward, create num_nodes copies from the cache."""
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assert num_nodes <= MAX_NODES
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create_cache = False
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for i in range(MAX_NODES):
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if not os.path.isdir(os.path.join(cachedir, 'node' + str(i))):
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create_cache = True
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break
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if create_cache:
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self.log.debug("Creating data directories from cached datadir")
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# find and delete old cache directories if any exist
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for i in range(MAX_NODES):
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if os.path.isdir(os.path.join(cachedir, "node" + str(i))):
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shutil.rmtree(os.path.join(cachedir, "node" + str(i)))
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# Create cache directories, run bitcoinds:
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for i in range(MAX_NODES):
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datadir = initialize_datadir(cachedir, i)
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args = [os.getenv("BITCOIND", "bitcoind"), "-server", "-keypool=1", "-datadir=" + datadir, "-discover=0"]
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if i > 0:
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args.append("-connect=127.0.0.1:" + str(p2p_port(0)))
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bitcoind_processes[i] = subprocess.Popen(args)
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self.log.debug("initialize_chain: bitcoind started, waiting for RPC to come up")
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wait_for_bitcoind_start(bitcoind_processes[i], datadir, i)
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self.log.debug("initialize_chain: RPC successfully started")
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self.nodes = []
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for i in range(MAX_NODES):
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try:
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self.nodes.append(get_rpc_proxy(rpc_url(get_datadir_path(cachedir, i), i), i))
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except:
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self.log.exception("Error connecting to node %d" % i)
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sys.exit(1)
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# Create a 200-block-long chain; each of the 4 first nodes
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# gets 25 mature blocks and 25 immature.
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# Note: To preserve compatibility with older versions of
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# initialize_chain, only 4 nodes will generate coins.
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#
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# blocks are created with timestamps 10 minutes apart
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# starting from 2010 minutes in the past
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enable_mocktime()
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block_time = get_mocktime() - (201 * 10 * 60)
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for i in range(2):
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for peer in range(4):
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for j in range(25):
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set_node_times(self.nodes, block_time)
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self.nodes[peer].generate(1)
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block_time += 10 * 60
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# Must sync before next peer starts generating blocks
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sync_blocks(self.nodes)
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# Shut them down, and clean up cache directories:
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self.stop_nodes()
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self.nodes = []
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disable_mocktime()
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for i in range(MAX_NODES):
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os.remove(log_filename(cachedir, i, "debug.log"))
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os.remove(log_filename(cachedir, i, "db.log"))
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os.remove(log_filename(cachedir, i, "peers.dat"))
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os.remove(log_filename(cachedir, i, "fee_estimates.dat"))
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for i in range(num_nodes):
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from_dir = os.path.join(cachedir, "node" + str(i))
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to_dir = os.path.join(test_dir, "node" + str(i))
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shutil.copytree(from_dir, to_dir)
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initialize_datadir(test_dir, i) # Overwrite port/rpcport in bitcoin.conf
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def _initialize_chain_clean(self, test_dir, num_nodes):
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"""Initialize empty blockchain for use by the test.
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Create an empty blockchain and num_nodes wallets.
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Useful if a test case wants complete control over initialization."""
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for i in range(num_nodes):
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initialize_datadir(test_dir, i)
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# Test framework for doing p2p comparison testing, which sets up some bitcoind
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# binaries:
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# 1 binary: test binary
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# 2 binaries: 1 test binary, 1 ref binary
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# n>2 binaries: 1 test binary, n-1 ref binaries
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class SkipTest(Exception):
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"""This exception is raised to skip a test"""
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def __init__(self, message):
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self.message = message
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class ComparisonTestFramework(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.num_nodes = 2
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self.setup_clean_chain = True
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def add_options(self, parser):
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parser.add_option("--testbinary", dest="testbinary",
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default=os.getenv("BITCOIND", "bitcoind"),
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help="bitcoind binary to test")
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parser.add_option("--refbinary", dest="refbinary",
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default=os.getenv("BITCOIND", "bitcoind"),
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help="bitcoind binary to use for reference nodes (if any)")
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def setup_network(self):
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extra_args = [['-whitelist=127.0.0.1']]*self.num_nodes
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if hasattr(self, "extra_args"):
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extra_args = self.extra_args
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self.nodes = self.start_nodes(
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self.num_nodes, self.options.tmpdir, extra_args,
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binary=[self.options.testbinary] +
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[self.options.refbinary]*(self.num_nodes-1))
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