chaind-eth/chainqueue/adapters/eth.py
2021-06-03 11:03:17 +02:00

58 lines
1.6 KiB
Python

# external imports
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.tx import (
unpack,
raw,
)
from hexathon import (
add_0x,
strip_0x,
)
# local imports
from chainqueue.adapters.base import Adapter
from chainqueue.enum import StatusBits
class EthAdapter(Adapter):
def translate(self, bytecode, chain_spec):
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 add(self, chain_spec, bytecode):
tx = self.translate(bytecode, 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)
if r:
session.rollback()
session.close()
return r
r = self.backend.cache(tx, session=session)
session.commit()
session.close()
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()
def upcoming(self, chain_spec):
return self.backend.get(chain_spec, StatusBits.QUEUED, unpack)
def dispatch(self, chain_spec, rpc, tx_hash, signed_tx):
o = raw(signed_tx)
session = self.backend.create_session()
r = self.backend.dispatch(chain_spec, rpc, tx_hash, o)
session.close()
return r