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256 lines
10 KiB
256 lines
10 KiB
#!/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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import logging |
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import optparse |
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import os |
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import sys |
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import shutil |
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import tempfile |
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import time |
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from .util import ( |
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initialize_chain, |
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start_nodes, |
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connect_nodes_bi, |
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sync_blocks, |
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sync_mempools, |
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stop_nodes, |
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stop_node, |
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enable_coverage, |
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check_json_precision, |
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initialize_chain_clean, |
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PortSeed, |
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) |
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from .authproxy import JSONRPCException |
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class BitcoinTestFramework(object): |
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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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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 run_test(self): |
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raise NotImplementedError |
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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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initialize_chain_clean(self.options.tmpdir, self.num_nodes) |
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else: |
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initialize_chain(self.options.tmpdir, self.num_nodes, self.options.cachedir) |
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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 setup_nodes(self): |
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return start_nodes(self.num_nodes, self.options.tmpdir) |
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def setup_network(self, split = False): |
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self.nodes = 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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# If we joined network halves, connect the nodes from the joint |
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# on outward. This ensures that chains are properly reorganised. |
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if not split: |
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connect_nodes_bi(self.nodes, 1, 2) |
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sync_blocks(self.nodes[1:3]) |
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sync_mempools(self.nodes[1:3]) |
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connect_nodes_bi(self.nodes, 0, 1) |
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connect_nodes_bi(self.nodes, 2, 3) |
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self.is_network_split = split |
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self.sync_all() |
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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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assert not self.is_network_split |
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stop_nodes(self.nodes) |
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self.setup_network(True) |
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def sync_all(self): |
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if self.is_network_split: |
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sync_blocks(self.nodes[:2]) |
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sync_blocks(self.nodes[2:]) |
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sync_mempools(self.nodes[:2]) |
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sync_mempools(self.nodes[2:]) |
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else: |
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sync_blocks(self.nodes) |
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sync_mempools(self.nodes) |
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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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assert self.is_network_split |
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stop_nodes(self.nodes) |
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self.setup_network(False) |
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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", default=tempfile.mkdtemp(prefix="test"), |
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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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# backup dir variable for removal at cleanup |
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self.options.root, self.options.tmpdir = self.options.tmpdir, self.options.tmpdir + '/' + str(self.options.port_seed) |
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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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os.makedirs(self.options.tmpdir, exist_ok=False) |
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self._start_logging() |
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success = False |
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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 = True |
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except JSONRPCException as e: |
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self.log.exception("JSONRPC error") |
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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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stop_nodes(self.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: |
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self.log.info("Cleaning up") |
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shutil.rmtree(self.options.tmpdir) |
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if not os.listdir(self.options.root): |
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os.rmdir(self.options.root) |
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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: |
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self.log.info("Tests successful") |
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sys.exit(self.TEST_EXIT_PASSED) |
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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(self.TEST_EXIT_FAILED) |
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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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# 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 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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self.nodes = start_nodes( |
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self.num_nodes, self.options.tmpdir, |
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extra_args=[['-whitelist=127.0.0.1']] * self.num_nodes, |
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binary=[self.options.testbinary] + |
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[self.options.refbinary]*(self.num_nodes-1))
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