async def _main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument('-db', type=str, required=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 = AsyncHeaderDB(AtomicDB(base_db))
chaindb = AsyncChainDB(AtomicDB(base_db))
try:
genesis = chaindb.get_canonical_block_header_by_number(BlockNumber(0))
except HeaderNotFound:
genesis = ROPSTEN_GENESIS_HEADER
chaindb.persist_header(genesis)
peer_pool_class: Type[Union[ETHPeerPool, LESPeerPool]] = ETHPeerPool
if args.light:
peer_pool_class = LESPeerPool
chain_class: Union[Type[AsyncRopstenChain], Type[AsyncMainnetChain]]
if genesis.hash == ROPSTEN_GENESIS_HEADER.hash:
chain_id = RopstenChain.chain_id
vm_config = ROPSTEN_VM_CONFIGURATION
chain_class = AsyncRopstenChain
elif genesis.hash == MAINNET_GENESIS_HEADER.hash:
chain_id = MainnetChain.chain_id
vm_config = MAINNET_VM_CONFIGURATION # type: ignore
chain_class = AsyncMainnetChain
else:
raise RuntimeError("Unknown genesis: %s", genesis)
if args.nodekey:
privkey = load_nodekey(Path(args.nodekey))
else:
privkey = ecies.generate_privkey()
context = ChainContext(
headerdb=headerdb,
network_id=chain_id,
vm_configuration=vm_config,
client_version_string=construct_trinity_client_identifier(),
listen_port=30309,
p2p_version=DEVP2P_V5,
)
peer_pool = peer_pool_class(privkey=privkey, context=context)
if args.enode:
nodes = tuple([Node.from_uri(args.enode)])
else:
nodes = DEFAULT_PREFERRED_NODES[chain_id]
async with background_asyncio_service(peer_pool) as manager:
manager.run_task(connect_to_peers_loop(peer_pool,
nodes)) # type: ignore
chain = chain_class(base_db)
syncer: Service = None
if args.light:
syncer = LightChainSyncer(chain, headerdb,
cast(LESPeerPool, peer_pool))
else:
syncer = RegularChainSyncer(chain, chaindb,
cast(ETHPeerPool, peer_pool))
logging.getLogger().setLevel(log_level)
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()
syncer.get_manager().cancel()
asyncio.ensure_future(exit_on_sigint())
async with background_asyncio_service(syncer) as syncer_manager:
await syncer_manager.wait_finished()
async def test_lightchain_integration(request, event_loop, caplog,
geth_ipc_path, enode, geth_process):
"""Test LightChainSyncer/LightPeerChain against a running geth instance.
In order to run this manually, you can use `tox -e py36-lightchain_integration` or:
pytest --integration --capture=no tests/integration/test_lightchain_integration.py
The fixture for this test was generated with:
geth --testnet --syncmode full
It only needs the first 11 blocks for this test to succeed.
"""
if not request.config.getoption("--integration"):
pytest.skip("Not asked to run integration tests")
# will almost certainly want verbose logging in a failure
caplog.set_level(logging.DEBUG)
# make sure geth has been launched
wait_for_socket(geth_ipc_path)
remote = Node.from_uri(enode)
base_db = AtomicDB()
chaindb = AsyncChainDB(base_db)
chaindb.persist_header(ROPSTEN_GENESIS_HEADER)
headerdb = AsyncHeaderDB(base_db)
context = ChainContext(
headerdb=headerdb,
network_id=ROPSTEN_NETWORK_ID,
vm_configuration=ROPSTEN_VM_CONFIGURATION,
client_version_string='trinity-test',
listen_port=30303,
p2p_version=DEVP2P_V5,
)
peer_pool = LESPeerPool(
privkey=ecies.generate_privkey(),
context=context,
)
chain = AsyncRopstenChain(base_db)
syncer = LightChainSyncer(chain, chaindb, peer_pool)
syncer.min_peers_to_sync = 1
peer_chain = LightPeerChain(headerdb, peer_pool)
asyncio.ensure_future(peer_pool.run())
asyncio.ensure_future(connect_to_peers_loop(peer_pool, tuple([remote])))
asyncio.ensure_future(peer_chain.run())
asyncio.ensure_future(syncer.run())
await asyncio.sleep(
0) # Yield control to give the LightChainSyncer a chance to start
def finalizer():
event_loop.run_until_complete(peer_pool.cancel())
event_loop.run_until_complete(peer_chain.cancel())
event_loop.run_until_complete(syncer.cancel())
request.addfinalizer(finalizer)
n = 11
# Wait for the chain to sync a few headers.
async def wait_for_header_sync(block_number):
while headerdb.get_canonical_head().block_number < block_number:
await asyncio.sleep(0.1)
await asyncio.wait_for(wait_for_header_sync(n), 5)
# https://ropsten.etherscan.io/block/11
header = headerdb.get_canonical_block_header_by_number(n)
body = await peer_chain.coro_get_block_body_by_hash(header.hash)
assert len(body['transactions']) == 15
receipts = await peer_chain.coro_get_receipts(header.hash)
assert len(receipts) == 15
assert encode_hex(keccak(rlp.encode(receipts[0]))) == (
'0xf709ed2c57efc18a1675e8c740f3294c9e2cb36ba7bb3b89d3ab4c8fef9d8860')
assert len(peer_pool) == 1
peer = peer_pool.highest_td_peer
head = await peer_chain.coro_get_block_header_by_hash(
peer.head_info.head_hash)
# In order to answer queries for contract code, geth needs the state trie entry for the block
# we specify in the query, but because of fast sync we can only assume it has that for recent
# blocks, so we use the current head to lookup the code for the contract below.
# https://ropsten.etherscan.io/address/0x95a48dca999c89e4e284930d9b9af973a7481287
contract_addr = decode_hex('0x8B09D9ac6A4F7778fCb22852e879C7F3B2bEeF81')
contract_code = await peer_chain.coro_get_contract_code(
head.hash, contract_addr)
assert encode_hex(contract_code) == '0x600060006000600060006000356000f1'
account = await peer_chain.coro_get_account(head.hash, contract_addr)
assert account.code_hash == keccak(contract_code)
assert account.balance == 0
def _test() -> None:
import argparse
from pathlib import Path
import signal
from p2p import ecies
from p2p.kademlia import Node
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.core.integration_test_helpers import (AsyncMainnetChain,
AsyncRopstenChain,
connect_to_peers_loop)
from trinity.constants import DEFAULT_PREFERRED_NODES
from trinity.protocol.common.context import ChainContext
from trinity._utils.chains import load_nodekey
parser = argparse.ArgumentParser()
parser.add_argument('-db', type=str, required=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 = AsyncHeaderDB(base_db)
chaindb = AsyncChainDB(base_db)
try:
genesis = chaindb.get_canonical_block_header_by_number(0)
except HeaderNotFound:
genesis = ROPSTEN_GENESIS_HEADER
chaindb.persist_header(genesis)
peer_pool_class: Type[Union[ETHPeerPool, LESPeerPool]] = ETHPeerPool
if args.light:
peer_pool_class = LESPeerPool
if genesis.hash == ROPSTEN_GENESIS_HEADER.hash:
network_id = RopstenChain.network_id
vm_config = ROPSTEN_VM_CONFIGURATION # type: ignore
chain_class = AsyncRopstenChain
elif genesis.hash == MAINNET_GENESIS_HEADER.hash:
network_id = MainnetChain.network_id
vm_config = MAINNET_VM_CONFIGURATION # type: ignore
chain_class = AsyncMainnetChain
else:
raise RuntimeError("Unknown genesis: %s", genesis)
if args.nodekey:
privkey = load_nodekey(Path(args.nodekey))
else:
privkey = ecies.generate_privkey()
context = ChainContext(
headerdb=headerdb,
network_id=network_id,
vm_configuration=vm_config,
)
peer_pool = peer_pool_class(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))
chain = chain_class(base_db)
syncer: BaseHeaderChainSyncer = None
if args.light:
syncer = LightChainSyncer(chain, headerdb,
cast(LESPeerPool, peer_pool))
else:
syncer = RegularChainSyncer(chain, chaindb,
cast(ETHPeerPool, 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()
async def test_sync_integration(request, caplog, geth_ipc_path, enode,
geth_process):
"""Test a regular chain sync against a running geth instance.
In order to run this manually, you can use `tox -e py37-sync_integration` or:
pytest --integration --capture=no tests/integration/test_sync.py
The fixture for this test was generated with:
geth --ropsten --syncmode full
It only needs the first 11 blocks for this test to succeed.
"""
if not request.config.getoption("--integration"):
pytest.skip("Not asked to run integration tests")
# will almost certainly want verbose logging in a failure
caplog.set_level(logging.DEBUG)
# make sure geth has been launched
wait_for_socket(geth_ipc_path)
remote = Node.from_uri(enode)
base_db = AtomicDB()
chaindb = AsyncChainDB(base_db)
chaindb.persist_header(ROPSTEN_GENESIS_HEADER)
headerdb = AsyncHeaderDB(base_db)
chain_config = Eth1ChainConfig.from_preconfigured_network(
ROPSTEN_NETWORK_ID)
chain = chain_config.initialize_chain(base_db)
context = ChainContext(
headerdb=headerdb,
network_id=ROPSTEN_NETWORK_ID,
vm_configuration=ROPSTEN_VM_CONFIGURATION,
client_version_string='trinity-test',
listen_port=30303,
p2p_version=DEVP2P_V5,
)
peer_pool = ETHPeerPool(privkey=ecies.generate_privkey(), context=context)
syncer = RegularChainSyncer(chain, chaindb, peer_pool)
async with background_asyncio_service(peer_pool) as manager:
await manager.wait_started()
await peer_pool.connect_to_nodes([remote])
assert len(peer_pool) == 1
async with background_asyncio_service(syncer) as syncer_manager:
await syncer_manager.wait_started()
n = 11
manager.logger.info(f"Waiting for the chain to sync {n} blocks")
async def wait_for_header_sync(block_number):
while chaindb.get_canonical_head().block_number < block_number:
await asyncio.sleep(0.1)
await asyncio.wait_for(wait_for_header_sync(n), 5)
# https://ropsten.etherscan.io/block/11
header = chaindb.get_canonical_block_header_by_number(n)
transactions = chaindb.get_block_transactions(
header, BaseTransactionFields)
assert len(transactions) == 15
receipts = chaindb.get_receipts(header, Receipt)
assert len(receipts) == 15
assert encode_hex(keccak(rlp.encode(receipts[0]))) == (
'0xf709ed2c57efc18a1675e8c740f3294c9e2cb36ba7bb3b89d3ab4c8fef9d8860'
)