195 lines
6.8 KiB
Python
195 lines
6.8 KiB
Python
# standard imports
|
||
import logging
|
||
import importlib
|
||
import os
|
||
|
||
# external imports
|
||
from chainlib.chain import ChainSpec
|
||
from chainlib.eth.address import is_checksum_address
|
||
from chainlib.eth.block import block_latest
|
||
from cic_eth.registry import (
|
||
connect as connect_registry,
|
||
connect_declarator,
|
||
connect_token_registry,
|
||
)
|
||
from cic_eth.db import dsn_from_config
|
||
from cic_eth.db.models.base import SessionBase
|
||
from cic_eth_registry.error import UnknownContractError
|
||
import cic_eth.cli
|
||
from hexathon import (
|
||
to_int as hex_to_int,
|
||
strip_0x,
|
||
)
|
||
from cic_eth_registry import CICRegistry
|
||
|
||
# local imports
|
||
from cic_tracker.chain import EthChainInterface
|
||
from cic_tracker.callback import (
|
||
state_change_callback,
|
||
filter_change_callback,
|
||
)
|
||
|
||
logg = logging.getLogger(__name__)
|
||
|
||
|
||
class CICTrackerSettings:
|
||
|
||
def __init__(self):
|
||
self.o = {}
|
||
self.registry = None
|
||
self.get = self.o.get
|
||
|
||
|
||
def process_common(self, config):
|
||
self.o['CHAIN_SPEC'] = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
|
||
|
||
rpc = cic_eth.cli.RPC.from_config(config)
|
||
self.o['RPC'] = rpc.get_default()
|
||
|
||
|
||
def process_celery(self, config):
|
||
cic_eth.cli.CeleryApp.from_config(config)
|
||
|
||
|
||
def process_database(self, config):
|
||
dsn = dsn_from_config(config)
|
||
SessionBase.connect(dsn, pool_size=16, debug=config.true('DATABASE_DEBUG'))
|
||
|
||
|
||
def process_trusted_addresses(self, config):
|
||
trusted_addresses_src = config.get('CIC_TRUST_ADDRESS')
|
||
if trusted_addresses_src == None:
|
||
raise InitializationError('At least one trusted address must be declared in CIC_TRUST_ADDRESS')
|
||
|
||
trusted_addresses = trusted_addresses_src.split(',')
|
||
for i, address in enumerate(trusted_addresses):
|
||
if not config.get('_UNSAFE'):
|
||
if not is_checksum_address(address):
|
||
raise ValueError('address {} at position {} is not a valid checksum address'.format(address, i))
|
||
else:
|
||
trusted_addresses[i] = to_checksum_address(address)
|
||
logg.info('using trusted address {}'.format(address))
|
||
|
||
|
||
self.o['TRUSTED_ADDRESSES'] = trusted_addresses
|
||
|
||
|
||
def process_registry(self, config):
|
||
registry = None
|
||
try:
|
||
registry = connect_registry(self.o['RPC'], self.o['CHAIN_SPEC'], config.get('CIC_REGISTRY_ADDRESS'))
|
||
except UnknownContractError as e:
|
||
pass
|
||
if registry == None:
|
||
raise InitializationError('Registry contract connection failed for {}: {}'.format(config.get('CIC_REGISTRY_ADDRESS'), e))
|
||
connect_declarator(self.o['RPC'], self.o['CHAIN_SPEC'], self.o['TRUSTED_ADDRESSES'])
|
||
connect_token_registry(self.o['RPC'], self.o['CHAIN_SPEC'])
|
||
|
||
self.o['CIC_REGISTRY'] = CICRegistry(self.o['CHAIN_SPEC'], self.o['RPC'])
|
||
|
||
|
||
def process_callback_filters(self, config):
|
||
self.o['CALLBACK_FILTERS'] = []
|
||
for cb in config.get('TASKS_TRANSFER_CALLBACKS', '').split(','):
|
||
task_split = cb.split(':')
|
||
if len(task_split) > 1:
|
||
task_queue = task_split[0]
|
||
callback_filter = CallbackFilter(chain_spec, task_split[1], task_queue)
|
||
self.o['CALLBACK_FILTERS'].append(callback_filter)
|
||
|
||
|
||
def process_sync_interface(self, config):
|
||
self.o['SYNC_INTERFACE'] = EthChainInterface()
|
||
|
||
|
||
def process_sync_range(self, config):
|
||
o = block_latest()
|
||
r = self.o['RPC'].do(o)
|
||
block_offset = int(strip_0x(r), 16) + 1
|
||
logg.info('network block height at startup is {}'.format(block_offset))
|
||
|
||
keep_alive = False
|
||
session_block_offset = 0
|
||
block_limit = 0
|
||
session_block_offset = int(config.get('SYNC_OFFSET'))
|
||
|
||
until = int(config.get('_UNTIL'))
|
||
if until > 0:
|
||
if until <= session_block_offset:
|
||
raise ValueError('sync termination block number must be later than offset ({} >= {})'.format(session_block_offset, until))
|
||
block_limit = until
|
||
else:
|
||
keep_alive=True
|
||
block_limit = -1
|
||
|
||
if session_block_offset == -1:
|
||
session_block_offset = block_offset
|
||
elif not config.true('_KEEP_ALIVE'):
|
||
if block_limit == 0:
|
||
lock_limit = block_offset
|
||
|
||
self.o['SYNC_OFFSET'] = session_block_offset
|
||
self.o['SYNC_LIMIT'] = block_limit
|
||
|
||
|
||
def process_sync_store(self, config):
|
||
syncer_store_module = None
|
||
syncer_store_class = None
|
||
if config.get('SYNC_BACKEND') == 'fs':
|
||
syncer_store_module = importlib.import_module('chainsyncer.store.fs')
|
||
syncer_store_class = getattr(syncer_store_module, 'SyncFsStore')
|
||
elif config.get('SYNC_BACKEND') == 'rocksdb':
|
||
syncer_store_module = importlib.import_module('chainsyncer.store.rocksdb')
|
||
syncer_store_class = getattr(syncer_store_module, 'SyncRocksDbStore')
|
||
else:
|
||
syncer_store_module = importlib.import_module(config.get('SYNC_BACKEND'))
|
||
syncer_store_class = getattr(syncer_store_module, 'SyncStore')
|
||
|
||
logg.info('using engine {} module {}.{}'.format(config.get('SYNC_BACKEND'), syncer_store_module.__file__, syncer_store_class.__name__))
|
||
|
||
state_dir = os.path.join(config.get('SYNC_DIR'), config.get('SYNC_BACKEND'))
|
||
sync_store = syncer_store_class(state_dir, session_id=config.get('SYNC_SESSION_ID'), state_event_callback=state_change_callback, filter_state_event_callback=filter_change_callback)
|
||
logg.info('sync session is {}'.format(sync_store.session_id))
|
||
|
||
self.o['SYNC_STORE'] = sync_store
|
||
|
||
|
||
def process_sync_filters(self, config):
|
||
for v in config.get('SYNC_FILTER').split(','):
|
||
logg.debug('processing filter {}'.format(v))
|
||
(path, cls) = v.rsplit('.', maxsplit=1)
|
||
m = importlib.import_module(path)
|
||
o = getattr(m, cls)
|
||
m = o(self.o['CHAIN_SPEC'], self.o['CIC_REGISTRY'], config.get('CELERY_QUEUE'))
|
||
|
||
if v == 'cic_syncer.filter.callback.CallbackFilter':
|
||
m.set_method()
|
||
o.trusted_addresses = trusted_addresses
|
||
|
||
self.o['SYNC_STORE'].register(m)
|
||
|
||
|
||
def process_sync(self, config):
|
||
self.process_sync_range(config)
|
||
self.process_sync_interface(config)
|
||
self.process_sync_store(config)
|
||
self.process_sync_filters(config)
|
||
|
||
|
||
def process(self, config):
|
||
self.process_common(config)
|
||
self.process_celery(config)
|
||
self.process_database(config)
|
||
self.process_trusted_addresses(config)
|
||
self.process_registry(config)
|
||
self.process_sync(config)
|
||
|
||
|
||
def __str__(self):
|
||
ks = list(self.o.keys())
|
||
ks.sort()
|
||
s = ''
|
||
for k in ks:
|
||
s += '{}: {}\n'.format(k, self.o.get(k))
|
||
return s
|