eth-accounts-index/python/eth_accounts_index/registry.py

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# standard imports
import os
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# external imports
from chainlib.eth.tx import (
TxFormat,
)
from chainlib.eth.contract import (
ABIContractEncoder,
ABIContractType,
)
# local imports
from .index import AccountsIndex
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moddir = os.path.dirname(__file__)
datadir = os.path.join(moddir, 'data')
class AccountRegistry(AccountsIndex):
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__abi = None
__bytecode = None
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@staticmethod
def abi():
if AccountRegistry.__abi == None:
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f = open(os.path.join(datadir, 'AccountsIndex.json'), 'r')
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AccountRegistry.__abi = json.load(f)
f.close()
return AccountRegistry.__abi
@staticmethod
def bytecode():
if AccountRegistry.__bytecode == None:
f = open(os.path.join(datadir, 'AccountsIndex.bin'))
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AccountRegistry.__bytecode = f.read()
f.close()
return AccountRegistry.__bytecode
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@staticmethod
def gas(code=None):
return 700000
def constructor(self, sender_address):
code = AccountRegistry.bytecode()
tx = self.template(sender_address, None, use_nonce=True)
tx = self.set_code(tx, code)
return self.build(tx)
def __single_address_method(self, method, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
enc = ABIContractEncoder()
enc.method(method)
enc.typ(ABIContractType.ADDRESS)
enc.address(address)
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 add_writer(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
return self.__single_address_method('addWriter', contract_address, sender_address, address, tx_format)
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def delete_writer(self, contract_address, sender_address, address, tx_format=TxFormat.JSONRPC):
return self.__single_address_method('deleteWriter', contract_address, sender_address, address, tx_format)