mirror of git://holbrook.no/eth-faucet
107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
# Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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# SPDX-License-Identifier: GPL-3.0-or-later
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# File-version: 1
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# Description: Python interface to abi and bin files for faucet contracts
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# standard imports
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import logging
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import json
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import os
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# external imports
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from chainlib.eth.tx import TxFactory
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from chainlib.eth.constant import ZERO_ADDRESS
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from chainlib.eth.contract import (
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abi_decode_single,
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ABIContractEncoder,
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ABIContractType,
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)
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from chainlib.eth.tx import TxFormat
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from chainlib.jsonrpc import JSONRPCRequest
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from erc20_faucet import Faucet
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from hexathon import add_0x
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logg = logging.getLogger().getChild(__name__)
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moddir = os.path.dirname(__file__)
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datadir = os.path.join(moddir, 'data')
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class EthFaucet(Faucet):
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__abi = None
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__bytecode = None
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__address = None
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@staticmethod
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def abi():
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if EthFaucet.__abi == None:
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f = open(os.path.join(datadir, 'EthFaucet.json'), 'r')
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EthFaucet.__abi = json.load(f)
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f.close()
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return EthFaucet.__abi
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@staticmethod
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def bytecode():
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if EthFaucet.__bytecode == None:
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f = open(os.path.join(datadir, 'EthFaucet.bin'))
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EthFaucet.__bytecode = f.read()
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f.close()
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return EthFaucet.__bytecode
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@staticmethod
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def gas(code=None):
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return 2000000
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# TODO: allow multiple overriders
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def constructor(self, sender_address):
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code = EthFaucet.bytecode()
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enc = ABIContractEncoder()
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code += enc.get()
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tx = self.template(sender_address, None, use_nonce=True)
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tx = self.set_code(tx, code)
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return self.build(tx)
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def set_period_checker(self, contract_address, sender_address, checker_address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('setPeriodChecker')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(checker_address)
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data = enc.get()
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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def set_registry(self, contract_address, sender_address, checker_address, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('setRegistry')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(checker_address)
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data = enc.get()
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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def check(self, contract_address, address, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('check')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(address)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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o['params'].append('latest')
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o = j.finalize(o)
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return o
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