def main(
private_key: str,
state_db: str,
web3: Web3,
contracts: Dict[str, Contract],
start_block: BlockNumber,
rdn_per_eth: float,
expires_within: BlockNumber,
) -> None:
pfs_address = private_key_to_address(private_key)
chain_id = ChainID(web3.eth.chainId)
database = PFSDatabase(filename=state_db,
chain_id=chain_id,
pfs_address=pfs_address,
sync_start_block=start_block)
claim_cost_rdn = calc_claim_cost_rdn(web3, rdn_per_eth)
ious = list(
get_claimable_ious(
database,
expires_after=web3.eth.blockNumber,
expires_before=BlockNumber(web3.eth.blockNumber + expires_within),
claim_cost_rdn=claim_cost_rdn,
))
print(f"Found {len(ious)} claimable IOUs")
_, failures = claim_ious(ious, claim_cost_rdn,
contracts[CONTRACT_ONE_TO_N], web3, database)
if failures:
sys.exit(1)
def __init__( # pylint: disable=too-many-arguments
self,
web3: Web3,
contracts: Dict[str, Contract],
private_key: PrivateKey,
db_filename: str,
sync_start_block: BlockNumber,
required_confirmations: BlockTimeout,
poll_interval: float,
matrix_servers: Optional[List[str]] = None,
):
super().__init__()
self.web3 = web3
self.registry_address = contracts[
CONTRACT_TOKEN_NETWORK_REGISTRY].address
self.user_deposit_contract = contracts[CONTRACT_USER_DEPOSIT]
self.service_token_address = self.user_deposit_contract.functions.token(
).call()
self.chain_id = ChainID(web3.eth.chainId)
self.address = private_key_to_address(private_key)
self.required_confirmations = required_confirmations
self._poll_interval = poll_interval
self._is_running = gevent.event.Event()
log.info("PFS payment address", address=self.address)
self.database = PFSDatabase(
filename=db_filename,
pfs_address=self.address,
sync_start_block=sync_start_block,
token_network_registry_address=to_canonical_address(
self.registry_address),
chain_id=self.chain_id,
user_deposit_contract_address=to_canonical_address(
self.user_deposit_contract.address),
allow_create=True,
)
self.blockchain_state = BlockchainState(
latest_committed_block=self.database.get_latest_committed_block(),
token_network_registry_address=to_canonical_address(
self.registry_address),
chain_id=self.chain_id,
)
self.matrix_listener = MatrixListener(
private_key=private_key,
chain_id=self.chain_id,
device_id=DeviceIDs.PFS,
message_received_callback=self.handle_message,
servers=matrix_servers,
)
self.token_networks = self._load_token_networks()
self.updated = gevent.event.Event(
) # set whenever blocks are processed
self.startup_finished = gevent.event.AsyncResult()
self._init_metrics()
def main(
private_key: str,
state_db: str,
web3: Web3,
contracts: Dict[str, Contract],
start_block: BlockNumber,
rdn_per_eth: float,
expires_within: BlockNumber,
) -> None:
pfs_address = private_key_to_address(private_key)
chain_id = ChainID(int(web3.net.version))
database = PFSDatabase(filename=state_db,
chain_id=chain_id,
pfs_address=pfs_address)
one_to_n_contract = contracts[CONTRACT_ONE_TO_N]
claim_cost_eth = 90897
claim_cost_rdn = TokenAmount(int(claim_cost_eth / rdn_per_eth))
ious = list(
get_claimable_ious(
database,
expires_before=web3.eth.blockNumber + expires_within,
claim_cost_rdn=claim_cost_rdn,
))
print(f"Found {len(ious)} claimable IOUs")
_, failures = claim_ious(ious, claim_cost_rdn, one_to_n_contract, web3,
database)
if failures:
sys.exit(1)
def __init__( # pylint: disable=too-many-arguments
self,
web3: Web3,
contracts: Dict[str, Contract],
private_key: str,
db_filename: str,
sync_start_block: BlockNumber = BlockNumber(0),
required_confirmations: int = 8,
poll_interval: float = 10,
matrix_servers: List[str] = None,
):
super().__init__()
self.web3 = web3
self.registry_address = contracts[
CONTRACT_TOKEN_NETWORK_REGISTRY].address
self.user_deposit_contract = contracts[CONTRACT_USER_DEPOSIT]
self.chain_id = ChainID(int(web3.net.version))
self.address = private_key_to_address(private_key)
self.required_confirmations = required_confirmations
self._poll_interval = poll_interval
self._is_running = gevent.event.Event()
log.info("PFS payment address", address=self.address)
self.blockchain_state = BlockchainState(
latest_commited_block=BlockNumber(0),
token_network_registry_address=self.registry_address,
chain_id=self.chain_id,
)
self.database = PFSDatabase(
filename=db_filename,
pfs_address=self.address,
sync_start_block=sync_start_block,
token_network_registry_address=self.registry_address,
chain_id=self.chain_id,
user_deposit_contract_address=self.user_deposit_contract.address,
allow_create=True,
)
self.matrix_listener = MatrixListener(
private_key=private_key,
chain_id=self.chain_id,
service_room_suffix=PATH_FINDING_BROADCASTING_ROOM,
message_received_callback=self.handle_message,
address_reachability_changed_callback=self.
handle_reachability_change,
servers=matrix_servers,
)
self.address_to_reachability: Dict[Address,
AddressReachability] = dict()
self.token_networks = self._load_token_networks()
def __init__(
self,
web3: Web3,
contracts: Dict[str, Contract],
private_key: str,
db_filename: str,
sync_start_block: BlockNumber = BlockNumber(0),
required_confirmations: int = 8,
poll_interval: float = 10,
service_fee: int = 0,
):
super().__init__()
self.web3 = web3
self.registry_address = contracts[CONTRACT_TOKEN_NETWORK_REGISTRY].address
self.sync_start_block = sync_start_block
self.required_confirmations = required_confirmations
self.poll_interval = poll_interval
self.chain_id = ChainID(int(web3.net.version))
self.private_key = private_key
self.address = private_key_to_address(private_key)
self.service_fee = service_fee
self.is_running = gevent.event.Event()
self.token_networks: Dict[TokenNetworkAddress, TokenNetwork] = {}
self.database = PFSDatabase(filename=db_filename, pfs_address=self.address)
self.user_deposit_contract = contracts[CONTRACT_USER_DEPOSIT]
self.last_known_block = 0
self.blockchain_state = BlockchainState(
chain_id=self.chain_id,
token_network_registry_address=self.registry_address,
monitor_contract_address=Address(''), # FIXME
latest_known_block=self.sync_start_block,
token_network_addresses=[],
)
log.info(
'Listening to token network registry',
registry_address=self.registry_address,
start_block=sync_start_block,
)
try:
self.matrix_listener = MatrixListener(
private_key=private_key,
chain_id=self.chain_id,
callback=self.handle_message,
service_room_suffix=PATH_FINDING_BROADCASTING_ROOM,
)
except ConnectionError as e:
log.critical('Could not connect to broadcasting system.', exc=e)
sys.exit(1)
def __init__( # pylint: disable=too-many-arguments
self,
web3: Web3,
contracts: Dict[str, Contract],
private_key: str,
db_filename: str,
sync_start_block: BlockNumber = BlockNumber(0),
required_confirmations: int = 8,
poll_interval: float = 10,
):
super().__init__()
self.web3 = web3
self.registry_address = contracts[CONTRACT_TOKEN_NETWORK_REGISTRY].address
self.user_deposit_contract = contracts[CONTRACT_USER_DEPOSIT]
self.chain_id = ChainID(int(web3.net.version))
self.address = private_key_to_address(private_key)
self._required_confirmations = required_confirmations
self._poll_interval = poll_interval
self._is_running = gevent.event.Event()
self.database = PFSDatabase(
filename=db_filename,
pfs_address=self.address,
sync_start_block=sync_start_block,
token_network_registry_address=self.registry_address,
chain_id=self.chain_id,
user_deposit_contract_address=self.user_deposit_contract.address,
allow_create=True,
)
self.token_networks = self._load_token_networks()
try:
self.matrix_listener = MatrixListener(
private_key=private_key,
chain_id=self.chain_id,
callback=self.handle_message,
service_room_suffix=PATH_FINDING_BROADCASTING_ROOM,
)
except ConnectionError as exc:
log.critical("Could not connect to broadcasting system.", exc=exc)
sys.exit(1)
def __init__(
self,
web3: Web3,
contract_manager: ContractManager,
registry_address: Address,
private_key: str,
db_filename: str,
user_deposit_contract_address: Address,
sync_start_block: int = 0,
required_confirmations: int = 8,
poll_interval: int = 10,
service_fee: int = 0,
):
""" Creates a new pathfinding service
Args:
contract_manager: A contract manager
token_network_listener: A blockchain listener object
token_network_registry_listener: A blockchain listener object for the network registry
chain_id: The id of the chain the PFS runs on
"""
super().__init__()
self.web3 = web3
self.contract_manager = contract_manager
self.registry_address = registry_address
self.sync_start_block = sync_start_block
self.required_confirmations = required_confirmations
self.poll_interval = poll_interval
self.chain_id = int(web3.net.version)
self.private_key = private_key
self.address = private_key_to_address(private_key)
self.service_fee = service_fee
self.is_running = gevent.event.Event()
self.token_networks: Dict[Address, TokenNetwork] = {}
self.token_network_listeners: List[BlockchainListener] = []
self.database = PFSDatabase(
filename=db_filename,
pfs_address=self.address,
)
self.user_deposit_contract = web3.eth.contract(
abi=self.contract_manager.get_contract_abi(
CONTRACT_USER_DEPOSIT,
),
address=user_deposit_contract_address,
)
log.info(
'Starting TokenNetworkRegistry Listener',
required_confirmations=self.required_confirmations,
)
self.token_network_registry_listener = BlockchainListener(
web3=web3,
contract_manager=self.contract_manager,
contract_name=CONTRACT_TOKEN_NETWORK_REGISTRY,
contract_address=self.registry_address,
required_confirmations=self.required_confirmations,
poll_interval=self.poll_interval,
sync_start_block=self.sync_start_block,
)
log.info(
'Listening to token network registry',
registry_address=registry_address,
start_block=sync_start_block,
)
self._setup_token_networks()
try:
self.matrix_listener = MatrixListener(
private_key=private_key,
chain_id=self.chain_id,
callback=self.handle_message,
service_room_suffix=PATH_FINDING_BROADCASTING_ROOM,
)
except ConnectionError as e:
log.critical(
'Could not connect to broadcasting system.',
exc=e,
)
sys.exit(1)