def _test() -> None: import argparse import asyncio import signal from eth.chains.ropsten import RopstenChain, ROPSTEN_VM_CONFIGURATION from eth.db.backends.level import LevelDB from p2p import ecies from p2p.kademlia import Node from trinity.protocol.common.constants import DEFAULT_PREFERRED_NODES from trinity.protocol.common.context import ChainContext from tests.trinity.core.integration_test_helpers import ( FakeAsyncChainDB, FakeAsyncRopstenChain, connect_to_peers_loop) logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s') parser = argparse.ArgumentParser() parser.add_argument('-db', type=str, required=True) parser.add_argument('-enode', type=str, required=False, help="The enode we should connect to") args = parser.parse_args() chaindb = FakeAsyncChainDB(LevelDB(args.db)) chain = FakeAsyncRopstenChain(chaindb) network_id = RopstenChain.network_id privkey = ecies.generate_privkey() context = ChainContext(headerdb=chaindb, network_id=network_id, vm_configuration=ROPSTEN_VM_CONFIGURATION) peer_pool = ETHPeerPool(privkey=privkey, context=context) if args.enode: nodes = tuple([Node.from_uri(args.enode)]) else: nodes = DEFAULT_PREFERRED_NODES[network_id] asyncio.ensure_future(peer_pool.run()) peer_pool.run_task(connect_to_peers_loop(peer_pool, nodes)) loop = asyncio.get_event_loop() syncer = FullNodeSyncer(chain, chaindb, chaindb.db, peer_pool) sigint_received = asyncio.Event() for sig in [signal.SIGINT, signal.SIGTERM]: loop.add_signal_handler(sig, sigint_received.set) async def exit_on_sigint() -> None: await sigint_received.wait() await syncer.cancel() await peer_pool.cancel() loop.stop() loop.set_debug(True) asyncio.ensure_future(exit_on_sigint()) asyncio.ensure_future(syncer.run()) loop.run_forever() loop.close()
def _test() -> None: import argparse import signal from eth.chains.ropsten import RopstenChain, ROPSTEN_VM_CONFIGURATION from p2p import ecies from p2p.kademlia import Node from trinity.protocol.common.constants import DEFAULT_PREFERRED_NODES from trinity.protocol.common.context import ChainContext from tests.trinity.core.integration_test_helpers import ( FakeAsyncChainDB, FakeAsyncLevelDB, connect_to_peers_loop) logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s') parser = argparse.ArgumentParser() parser.add_argument('-db', type=str, required=True) parser.add_argument('-debug', action="store_true") parser.add_argument('-enode', type=str, required=False, help="The enode we should connect to") args = parser.parse_args() log_level = logging.INFO if args.debug: log_level = logging.DEBUG db = FakeAsyncLevelDB(args.db) chaindb = FakeAsyncChainDB(db) network_id = RopstenChain.network_id if args.enode: nodes = tuple([Node.from_uri(args.enode)]) else: nodes = DEFAULT_PREFERRED_NODES[network_id] context = ChainContext( headerdb=chaindb, network_id=network_id, vm_configuration=ROPSTEN_VM_CONFIGURATION, ) peer_pool = ETHPeerPool( privkey=ecies.generate_privkey(), context=context, ) asyncio.ensure_future(peer_pool.run()) peer_pool.run_task(connect_to_peers_loop(peer_pool, nodes)) head = chaindb.get_canonical_head() downloader = StateDownloader(chaindb, db, head.state_root, peer_pool) downloader.logger.setLevel(log_level) loop = asyncio.get_event_loop() sigint_received = asyncio.Event() for sig in [signal.SIGINT, signal.SIGTERM]: loop.add_signal_handler(sig, sigint_received.set) async def exit_on_sigint() -> None: await sigint_received.wait() await peer_pool.cancel() await downloader.cancel() loop.stop() async def run() -> None: await downloader.run() downloader.logger.info("run() finished, exiting") sigint_received.set() # loop.set_debug(True) asyncio.ensure_future(exit_on_sigint()) asyncio.ensure_future(run()) loop.run_forever() loop.close()