82 lines
2.1 KiB
Python
82 lines
2.1 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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import hashlib
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# external imports
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from hexathon import (
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strip_0x,
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add_0x,
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)
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from chainlib.eth.tx import (
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TxFormat,
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TxFactory,
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)
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from chainlib.eth.contract import (
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ABIContractEncoder,
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ABIContractType,
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abi_decode_single,
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)
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from chainlib.jsonrpc import jsonrpc_template
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from chainlib.eth.constant import ZERO_ADDRESS
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# local imports
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from eth_address_declarator import Declarator
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logg = logging.getLogger(__name__)
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moddir = os.path.dirname(__file__)
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datadir = os.path.join(moddir, 'data')
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def to_declarator_key(declarator_address_hex, declaration_address_hex):
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h = hashlib.new('sha256')
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h.update(bytes.fromhex(strip_0x(declaration_address_hex)))
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h.update(bytes.fromhex(strip_0x(declarator_address_hex)))
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return h.digest()
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class AddressDeclarator(Declarator):
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__abi = None
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__bytecode = None
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@staticmethod
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def abi():
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if AddressDeclarator.__abi == None:
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f = open(os.path.join(datadir, 'AddressDeclarator.json'), 'r')
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AddressDeclarator.__abi = json.load(f)
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f.close()
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return AddressDeclarator.__abi
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@staticmethod
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def bytecode():
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if AddressDeclarator.__bytecode == None:
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f = open(os.path.join(datadir, 'AddressDeclarator.bin'))
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AddressDeclarator.__bytecode = f.read()
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f.close()
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return AddressDeclarator.__bytecode
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@staticmethod
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def gas(code=None):
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return 2000000
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def constructor(self, sender_address, initial_description):
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code = AddressDeclarator.bytecode()
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enc = ABIContractEncoder()
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initial_description_hex = add_0x(initial_description)
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enc.bytes32(initial_description_hex)
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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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