chaind-eth/chainqueue/adapters/eth.py
2021-07-18 12:02:14 +02:00

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# standard imports
import logging
# external imports
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.tx import (
unpack,
raw,
)
from hexathon import (
add_0x,
strip_0x,
)
from chainqueue.enum import StatusBits
# local imports
from chainqueue.adapters.base import Adapter
#logg = logging.getLogger(__name__)
logg = logging.getLogger()
class EthAdapter(Adapter):
def translate(self, bytecode, chain_spec):
logg.debug('bytecode {}'.format(bytecode))
tx = unpack(bytecode, chain_spec)
tx['source_token'] = ZERO_ADDRESS
tx['destination_token'] = ZERO_ADDRESS
tx['from_value'] = tx['value']
tx['to_value'] = tx['value']
return tx
def dispatch(self, chain_spec, rpc, tx_hash, signed_tx, session=None):
o = raw(signed_tx)
r = self.backend.dispatch(chain_spec, rpc, tx_hash, o)
return r
def upcoming(self, chain_spec, session=None):
return self.backend.get(chain_spec, StatusBits.QUEUED, self.translate) # possible maldesign, up-stack should use our session?
def add(self, bytecode, chain_spec, session=None):
tx = self.translate(bytecode, chain_spec)
r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
if r:
session.rollback()
session.close()
return r
r = self.backend.cache(tx, session=session)
session.commit()
return r
# def cache(self, chain_spec):
# session = self.backend.create_session()
# r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
# session.close()