laalaguer

pragma solidity >=0.5.3 <=0.6.4;

contract Extension {
    function blake2b256(bytes memory data) public view returns(bytes32);
    function blockID(uint num) public view returns(bytes32);
    function blockTotalScore(uint num) public  view returns(uint64);
    function blockTime(uint num) public view returns(uint);
    function blockSigner(uint num) public view returns(address);
    function totalSupply() public view returns(uint256);
    function txProvedWork() public view returns(uint256);

Birdi7

"""
This is a simple example of usage of CallbackData factory
For more comprehensive example see callback_data_factory.py
"""

import asyncio
import logging

from aiogram import Bot, Dispatcher, executor, types
from aiogram.contrib.fsm_storage.memory import MemoryStorage