placecodex’s gists

Linch1 / tokenPriceApi.js

Last active May 21, 2024 04:43

Retrive the price of any bsc token from it's address without using external service like poocoin/dextools

	let pancakeSwapAbi = [
	{"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"}],"name":"getAmountsOut","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"view","type":"function"},
	];
	let tokenAbi = [
	{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},
	];
	const Web3 = require('web3');

	/*
	Required Node.js

mahdiidarabi / multi-send-smart-contract

Last active August 26, 2022 16:43

this is a smart contract with solidity to implement multi send transactions on ethereum


	pragma solidity >=0.7.0 <0.9.0;

	contract MultiSend {

	// to save the owner of the contract in construction
	address private owner;

	// to save the amount of ethers in the smart-contract
	uint total_value;

placecodex / bitcoin_address_generator.js

Last active December 1, 2020 23:09

generate bitcoin address testnet o main

	const bitcoin = require('bitcoinjs-lib');
	const TestNet = bitcoin.networks.testnet;
	let keyPair = bitcoin.ECPair.makeRandom({ network: TestNet });//testnet

	//var keyPair = bitcoin.ECPair.makeRandom();//main

	var publicKey = keyPair.publicKey
	var { address } = bitcoin.payments.p2pkh({ pubkey: publicKey });
	var privateKey = keyPair.toWIF();
	console.log(address)

andelf / trc20.js

Created April 20, 2020 07:12

Get TRC20 balance and transfer USDT tokens

	const TronWeb = require('tronweb');
	const HttpProvider = TronWeb.providers.HttpProvider;
	const fullNode = new HttpProvider("https://api.trongrid.io");
	// const fullNode = new HttpProvider("http://192.168.1.162:8090");
	const solidityNode = new HttpProvider("https://api.trongrid.io");
	const eventServer = new HttpProvider("https://api.trongrid.io");
	const privateKey = "3481E79956D4BD95F358AC96D151C976392FC4E3FC132F78A847906DE588C145";
	const tronWeb = new TronWeb(fullNode, solidityNode, eventServer, privateKey);

earth774 / Controller.php

Created March 12, 2019 05:07

create upload image in lumen

	<?php

	namespace App\Http\Controllers;

	use Illuminate\Http\Request;
	use Laravel\Lumen\Routing\Controller as BaseController;

	class Controller extends BaseController
	{
	public function uploadImage(Request $request)

jeffochoa / Response.php

Last active May 22, 2024 04:06

Laravel HTTP status code

	<?php

	// This can be found in the Symfony\Component\HttpFoundation\Response class

	const HTTP_CONTINUE = 100;
	const HTTP_SWITCHING_PROTOCOLS = 101;
	const HTTP_PROCESSING = 102; // RFC2518
	const HTTP_OK = 200;
	const HTTP_CREATED = 201;
	const HTTP_ACCEPTED = 202;

technoknol / users_migration_and_database_seeder.php

Created April 20, 2017 09:18

Lumen 5.4/Laravel 5.4 Users migration and database Seeder

	<?php
	// Migration file
	// database\migrations\create_users_table.php

	use Illuminate\Support\Facades\Schema;
	use Illuminate\Database\Schema\Blueprint;
	use Illuminate\Database\Migrations\Migration;

	class CreateUsersTable extends Migration
	{

vlucas / encryption.js

Last active May 17, 2024 12:11

Stronger Encryption and Decryption in Node.js

	'use strict';

	const crypto = require('crypto');

	const ENCRYPTION_KEY = process.env.ENCRYPTION_KEY; // Must be 256 bits (32 characters)
	const IV_LENGTH = 16; // For AES, this is always 16

	function encrypt(text) {
	let iv = crypto.randomBytes(IV_LENGTH);
	let cipher = crypto.createCipheriv('aes-256-cbc', Buffer.from(ENCRYPTION_KEY), iv);

yickson / email.php

Last active August 29, 2020 22:06

KumbiaPHP-Email

	<?php
	class Email {

	/**
	* Realiza el envio del correo.
	*
	* @param $destino correo receptor
	*/

	public static function enviar($destino){

kongondo / remote-file-copy.php

Created January 14, 2016 13:01

Remote file copying with progress reporting in PHP.

	<?php
	/*
	* Remote File Copy PHP Script 2.0.0
	*
	* Copyright 2012, Sebastian Tschan
	* https://blueimp.net
	*
	* Licensed under the MIT license:
	* http://www.opensource.org/licenses/MIT
	*/

Maicol Romero placecodex