Xavier59

// exporting from a bs58 private key to an Uint8Array
// == from phantom private key to solana cli id.json key file
// npm install bs58 @solana/web3.js

const web3 = require("@solana/web3.js");
const bs58 = require('bs58');
let secretKey = bs58.decode("[base58 private key here]");
console.log(`[${web3.Keypair.fromSecretKey(secretKey).secretKey}]`);

// exporting back from Uint8Array to bs58 private key

jongan69

javascript:document.querySelectorAll('div.segment-start-offset').forEach(r => r.remove())

jongan69

var Gpio = require('onoff').Gpio; //include onoff to interact with the GPIO
var LED = new Gpio(4, 'out'); //use GPIO pin 4, and specify that it is output
var blinkInterval = setInterval(blinkLED, 250); //run the blinkLED function every 250ms

function blinkLED() { //function to start blinking
  if (LED.readSync() === 0) { //check the pin state, if the state is 0 (or off)
    LED.writeSync(1); //set pin state to 1 (turn LED on)
  } else {
    LED.writeSync(0); //set pin state to 0 (turn LED off)
  }

jongan69

useTimeout

A custom React Hook that allows you to call a callback after a specified delay.

Usage

import { useTimeout } from './useTimeout';

const callback = () => {

jongan69

TaskContract

A smart contract for a Todo App on the Ethereum blockchain.

Overview

TaskContract is a smart contract for a Todo App on the Ethereum blockchain. It allows users to add tasks and delete tasks. It also allows users to view their own tasks.

Functions

TaskContract has the following functions:

• addTask(string memory taskText, bool isDeleted) - adds a new task to the contract.

jongan69

// Function to pad a given key to a length of 32 bytes using the CryptoJS library
function padKey(e) {
    // Convert the input string 'e' to a UTF-8 encoded WordArray
    let t = CryptoJS.enc.Utf8.parse(e);
    
    // Create an empty WordArray to store the padded key
    let n = CryptoJS.lib.WordArray.create();
  
    // Concatenate the UTF-8 encoded WordArray 't' to 'n'
    n.concat(t);

idatsy

{
  "version": "0.1.0",
  "name": "pump",
  "instructions": [
    {
      "name": "initialize",
      "docs": [
        "Creates the global state."
      ],
      "accounts": [

jongan69

OX_API_KEY=
OX_API_SECRET=