mirror of
git://holbrook.no/eth-address-index
synced 2024-11-16 06:26:46 +01:00
85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
|
# Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
|
||
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
||
|
|
# File-version: 1
|
||
|
|
# Description: Python interface to abi and bin files for faucet contracts
|
||
|
|
|
||
|
|
# standard imports
|
||
|
|
import logging
|
||
|
|
import json
|
||
|
|
import os
|
||
|
|
import hashlib
|
||
|
|
|
||
|
|
logg = logging.getLogger(__name__)
|
||
|
|
|
||
|
|
moddir = os.path.dirname(__file__)
|
||
|
|
datadir = os.path.join(moddir, 'data')
|
||
|
|
|
||
|
|
|
||
|
|
class TokenEndorser:
|
||
|
|
|
||
|
|
__abi = None
|
||
|
|
__bytecode = None
|
||
|
|
__address = None
|
||
|
|
|
||
|
|
def __init__(self, w3, address, signer_address=None):
|
||
|
|
abi = TokenEndorser.abi()
|
||
|
|
TokenEndorser.bytecode()
|
||
|
|
self.__address = address
|
||
|
|
self.contract = w3.eth.contract(abi=abi, address=address)
|
||
|
|
self.w3 = w3
|
||
|
|
if signer_address != None:
|
||
|
|
self.signer_address = signer_address
|
||
|
|
else:
|
||
|
|
if type(self.w3.eth.defaultAccount).__name__ == 'Empty':
|
||
|
|
self.w3.eth.defaultAccount = self.w3.eth.accounts[0]
|
||
|
|
self.signer_address = self.w3.eth.defaultAccount
|
||
|
|
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def abi():
|
||
|
|
if TokenEndorser.__abi == None:
|
||
|
|
f = open(os.path.join(datadir, 'AccountDeclarator.json'), 'r')
|
||
|
|
AccountDeclarator.__abi = json.load(f)
|
||
|
|
f.close()
|
||
|
|
return TokenEndorser.__abi
|
||
|
|
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def bytecode():
|
||
|
|
if TokenEndorser.__bytecode == None:
|
||
|
|
f = open(os.path.join(datadir, 'AccountDeclarator.bin'))
|
||
|
|
AccountDeclarator.__bytecode = f.read()
|
||
|
|
f.close()
|
||
|
|
return TokenEndorser.__bytecode
|
||
|
|
|
||
|
|
|
||
|
|
# def token_from_symbol(self, symbol):
|
||
|
|
# return self.contract.functions.tokenSymbolIndex(symbol).call()
|
||
|
|
# def
|
||
|
|
|
||
|
|
#
|
||
|
|
# def endorsed_tokens(self, endorser_address):
|
||
|
|
# tokens = []
|
||
|
|
# for i in range(self.contract.functions.endorserTokenCount(endorser_address).call()):
|
||
|
|
# tidx = self.contract.functions.endorser(endorser_address, i).call()
|
||
|
|
# t = self.contract.functions.tokens(tidx).call()
|
||
|
|
# tokens.append(t)
|
||
|
|
# return tokens
|
||
|
|
#
|
||
|
|
# def declared(self, declarator_address):
|
||
|
|
# addresses = []
|
||
|
|
# for i
|
||
|
|
#
|
||
|
|
#
|
||
|
|
# def add(self, token_address, data):
|
||
|
|
# self.contract.functions.add(token_address, data).transact({'from': self.signer_address})
|
||
|
|
#
|
||
|
|
|
||
|
|
def to_endorsement_key(declarator_address_hex, declaration_address_hex):
|
||
|
|
h = hashlib.new('sha256')
|
||
|
|
h.update(bytes.fromhex(token_address_hex[2:]))
|
||
|
|
h.update(bytes.fromhex(endorser_address_hex[2:]))
|
||
|
|
return h.digest()
|
||
|
|
|
||
|
|
|