makarovas / solidity

Created February 28, 2023 18:14

Solidity uniswap flashloan boat

	pragma solidity ^0.8.0;

	import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
	import "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";

	contract FlashLoanBot {
	address constant UNISWAP_ROUTER_ADDRESS = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
	address constant DAI_ADDRESS = 0x6B175474E89094C44Da98b954EedeAC495271d0F;
	address constant USDC_ADDRESS = 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48;
	address constant USDT_ADDRESS = 0xdAC17F958D2ee523a2206206994597C13D831ec7;

Last active February 12, 2023 08:05

react-chartjs-2 component

	import {Response as TotalUsersResponse} from ''
	import {Response as WeeklyNumberOfSignupsByCountryResponse} from ''
	import {Response as WeeklySignupsResponse} from ''
	import {BarElement, CategoryScale, Chart as ChartJS, ChartData, LinearScale, Tooltip} from 'chart.js'
	import ChartDataLabels from 'chartjs-plugin-datalabels'
	import cn from 'classnames'
	import {useOutsideAlerter} from 'common/hooks/useClickOutside'
	import {Icon} from 'common/Icon'
	import dayjs from 'dayjs'
	import getConfig from 'next/config'

Last active February 12, 2023 08:06

Map component (Typescript, React, Next.js, react-simple-maps )

	import {AuthRequired} from 'common/AuthRequired'
	import {memo, MouseEvent, useCallback, useState} from 'react'
	import {ComposableMap, Geographies as RSMGeographies, Geography, Marker, ZoomableGroup} from 'react-simple-maps'
	import {DoughnutChart} from './DoughnutChart'
	import {useData} from './hooks'
	import {StatsButton} from './StatsButton'
	import {Tooltip} from './Tooltip'
	import {A2CountriesUnion, Country, Geo, TooltipDirection} from './types'

	const geoUrl = 'https://secret'

makarovas / form.js

Created February 21, 2019 14:30

Async form validation with react hooks

	// https://codesandbox.io/s/x964kxp2vo?from-embed




	import React, { Component, useState, useEffect, useRef } from "react";

	export const useField = (
	name,
	form,

makarovas / simpleFormValidation.js

Created January 31, 2019 15:35

React form validation


	import React from 'react';
	import './style.css';


	class RegisterForm extends React.Component {
	constructor() {
	super();
	this.state = {
	fields: {},

makarovas / карточная сетка на grid layout

Created November 14, 2018 08:59

	.container {
	display: grid;
	grid-gap: 2px;
	height: 100vh;
	grid-template-rows: 1fr 1fr;
	padding-bottom: 20px;
	grid-auto-rows: 1fr 2fr;
	grid-template-columns: repeat(auto-fill, minmax(100px, auto));
	}

makarovas / index-0-non-debounced.js

Created November 8, 2018 15:44 — forked from elijahmanor/index-0-non-debounced.js

React Debouncing Events

	import React, { Component } from "react";
	import { render } from "react-dom";
	import "./index.css";

	class Widget extends Component {
	state = { text: "" };
	handleChange = (e) => {
	this.setState({ text: e.target.value });
	};
	render() {

makarovas / Fetch

Created July 17, 2018 11:33

	Fetch


	https://github.github.io/fetch/

	This documents the polyfillable parts of the WHATWG fetch spec.

	Usage synopsis (use the argument links to find out more):

	fetch(url, options).then(function(response) {

makarovas / loadJSON

Created July 17, 2018 11:08

	var jsonData = require('../../file.json');

	class blah extends React.Component {

	render(){
	var data;

	function loadJSON(jsonfile, callback) {

	var jsonObj = new XMLHttpRequest();

makarovas / README.md

Created July 10, 2018 07:00 — forked from rtivital/README.md

Принципы работы jsonp

Скопировать все файлы в одну папку.

Установить http-server, если ещё не установлен:

npm install -g http-server

Запустить сервер:

Makarov Aleks makarovas