cic-contracts/python/eth_expire/expire.py

38 lines
1.3 KiB
Python
Raw Permalink Normal View History

# external imports
from chainlib.eth.tx import TxFormat
from chainlib.eth.tx import TxFactory
from chainlib.jsonrpc import JSONRPCRequest
from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.contract import ABIContractEncoder
from chainlib.eth.contract import ABIContractType
from chainlib.eth.contract import abi_decode_single
from hexathon import add_0x
class EthExpire(TxFactory):
def apply_expiry(self, method, contract_address, sender_address, tx_format=TxFormat.JSONRPC):
enc = ABIContractEncoder()
enc.method('applyExpiry')
data = enc.get()
tx = self.template(sender_address, contract_address, use_nonce=True)
tx = self.set_code(tx, data)
tx = self.finalize(tx, tx_format)
return tx
def expires(self, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
j = JSONRPCRequest(id_generator)
o = j.template()
o['method'] = 'eth_call'
enc = ABIContractEncoder()
enc.method('expires')
data = add_0x(enc.get())
tx = self.template(sender_address, contract_address)
tx = self.set_code(tx, data)
o['params'].append(self.normalize(tx))
return o
def parse_expires(self, v):
return abi_decode_single(ABIContractType.UINT256, v)