53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
# standard imports
|
|
import logging
|
|
|
|
# external imports
|
|
from funga.eth.transaction import EIP155Transaction
|
|
from hexathon import strip_0x
|
|
|
|
logg = logging.getLogger(__name__)
|
|
|
|
class BaseTokenResolver:
|
|
|
|
def __init__(self, chain_spec, sender, signer, gas_oracle, nonce_oracle):
|
|
self.chain_spec = chain_spec
|
|
self.chain_id = chain_spec.chain_id()
|
|
self.signer = signer
|
|
self.sender = sender
|
|
self.gas_oracle = gas_oracle
|
|
self.nonce_oracle = nonce_oracle
|
|
self.factory = None
|
|
self.gas_limit_start = None
|
|
self.gas_price_start = None
|
|
|
|
|
|
def reset(self):
|
|
gas_data = self.gas_oracle.get_gas()
|
|
self.gas_price_start = gas_data[0]
|
|
self.gas_limit_start = gas_data[1]
|
|
|
|
|
|
def get_values(self, gas_value, value, executable_address=None):
|
|
nonce = self.nonce_oracle.next_nonce()
|
|
|
|
if executable_address == None:
|
|
return (value, 0, nonce)
|
|
|
|
try:
|
|
value = int(value)
|
|
except ValueError:
|
|
value = int(strip_0x(value), 16)
|
|
|
|
try:
|
|
gas_value = int(gas_value)
|
|
except ValueError:
|
|
gas_value = int(strip_0x(gas_value), 16)
|
|
|
|
return (gas_value, value, nonce,)
|
|
|
|
|
|
def sign(self, tx):
|
|
tx_o = EIP155Transaction(tx, tx['nonce'], self.chain_id)
|
|
tx_bytes = self.signer.sign_transaction_to_wire(tx_o)
|
|
return tx_bytes
|