eth-faucet

Gas token gifter with controls from time intervals, amounts and access
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period.py (3049B)

      1 # Author:	Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
      2 # SPDX-License-Identifier:	GPL-3.0-or-later
      3 # File-version: 1
      4 # Description: Python interface to abi and bin files for faucet contracts
      5 
      6 # standard imports
      7 import logging
      8 import json
      9 import os
     10 
     11 # external imports
     12 from chainlib.eth.tx import TxFactory
     13 from chainlib.eth.constant import ZERO_ADDRESS
     14 from chainlib.eth.contract import (
     15         abi_decode_single,
     16         ABIContractEncoder,
     17         ABIContractType,
     18         )
     19 from chainlib.eth.tx import TxFormat
     20 from erc20_faucet import Faucet
     21 from hexathon import add_0x
     22 
     23 logg = logging.getLogger().getChild(__name__)
     24 
     25 moddir = os.path.dirname(__file__)
     26 datadir = os.path.join(moddir, 'data')
     27 
     28 
     29 class PeriodSimple(Faucet):
     30 
     31     __abi = None
     32     __bytecode = None
     33     __address = None
     34 
     35     @staticmethod
     36     def abi():
     37         if PeriodSimple.__abi == None:
     38             f = open(os.path.join(datadir, 'PeriodSimple.json'), 'r')
     39             PeriodSimple.__abi = json.load(f)
     40             f.close()
     41         return PeriodSimple.__abi
     42 
     43 
     44     @staticmethod
     45     def bytecode():
     46         if PeriodSimple.__bytecode == None:
     47             f = open(os.path.join(datadir, 'PeriodSimple.bin'))
     48             PeriodSimple.__bytecode = f.read()
     49             f.close()
     50         return PeriodSimple.__bytecode
     51 
     52     @staticmethod
     53     def gas(code=None):
     54         return 2000000
     55 
     56 
     57     # TODO: allow multiple overriders
     58     def constructor(self, sender_address):
     59         code = PeriodSimple.bytecode()
     60         enc = ABIContractEncoder()
     61         code += enc.get()
     62         tx = self.template(sender_address, None, use_nonce=True)
     63         tx = self.set_code(tx, code)
     64         return self.build(tx)
     65 
     66 
     67     def set_poker(self, contract_address, sender_address, poker_address, tx_format=TxFormat.JSONRPC):
     68         enc = ABIContractEncoder()
     69         enc.method('setPeriodChecker')
     70         enc.typ(ABIContractType.ADDRESS)
     71         enc.address(poker_address)
     72         data = enc.get()
     73         tx = self.template(sender_address, contract_address, use_nonce=True)
     74         tx = self.set_code(tx, data)
     75         tx = self.finalize(tx, tx_format)
     76         return tx
     77 
     78 
     79     def set_period(self, contract_address, sender_address, period, tx_format=TxFormat.JSONRPC):
     80         enc = ABIContractEncoder()
     81         enc.method('setPeriod')
     82         enc.typ(ABIContractType.UINT256)
     83         enc.uint256(threshold)
     84         data = enc.get()
     85         tx = self.template(sender_address, contract_address, use_nonce=True)
     86         tx = self.set_code(tx, data)
     87         tx = self.finalize(tx, tx_format)
     88         return tx
     89 
     90 
     91     def set_balance_threshold(self, contract_address, sender_address, threshold, tx_format=TxFormat.JSONRPC):
     92         enc = ABIContractEncoder()
     93         enc.method('setBalanceThreshold')
     94         enc.typ(ABIContractType.UINT256)
     95         enc.uint256(threshold)
     96         data = enc.get()
     97         tx = self.template(sender_address, contract_address, use_nonce=True)
     98         tx = self.set_code(tx, data)
     99         tx = self.finalize(tx, tx_format)
    100         return tx