gpylypchuk

from py_clob_client.client import ClobClient
import os, json, time, requests
from dotenv import load_dotenv

load_dotenv()

def best_prices(book):
    best_bid = float(book.bids[-1].price) if book.bids else None
    best_ask = float(book.asks[0].price) if book.asks else None
    last_trade = float(book.last_trade_price)

gpylypchuk

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract BabyBitcoin is ERC20, Ownable {
    event LogRemoveFromBlacklist(address[] indexed removed);
    event LogAddToBlacklist(address[] indexed blacklisted);

gpylypchuk

%builtins output

from starkware.cairo.common.alloc import alloc
from starkware.cairo.common.serialize import serialize_word

# Computes the sum of the memory elements at addresses:
#   arr + 0, arr + 1, ..., arr + (size - 1).
func array_sum(arr : felt*, size) -> (sum):
    if size == 0:
        return (sum=0)

gpylypchuk

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.5;

contract SturctMapTest {

    struct Match {
        address player1;
        address player2;
        uint256 damage;
        bool playing;

gpylypchuk

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.5;

/*
    By @gpylypchuk
    for a Challenge from @exactly_finance
*/

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

gpylypchuk

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.0;

contract Ownable {
    
    address owner;
    
    constructor() {
        owner = msg.sender;
    }

gpylypchuk

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.6.0;

contract HotelRoomPayments {
    // Ether - pay smart contracts
    // Modifiers
    // Visibility
    // Events
    // Enums
    

gpylypchuk

import pandas as pd
import matplotlib.pyplot as plt

df = pd.read_csv("BCHAIN-MKPRU.csv")
df = df.iloc[::-1]
df["200wma"] = df['Value'].rolling(window = 1400).mean()
df = df[1400:]
dates = pd.to_datetime(df['Date'])

monthly = df[::30]

gpylypchuk

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.6;

contract TaskContract {
    uint nextId;
    
    struct Task{
        uint id;
        string name;
        string description;