tty007

def to_hex(r, g, b)
  [r, g, b].inject('#') do |hex, n|
      hex + n.to_s(16).rjust(2, '0')
  end
end

def to_ints(hex)
  hex.scan(/\w\w/).map(&:hex)
end

tty007

const SHA256 = require("crypto-js/sha256");

class Block {
    constructor(index, timestamp, data, previousHash = '') {
        this.index = index;
        this.previousHash = previousHash;
        this.timestamp = timestamp;
        this.data = data;
        this.hash = this.calculateHash();
    }

tty007

const SHA256 = require("crypto-js/sha256");

class Block {
    constructor(index, timestamp, data, previousHash = '') {
        this.index = index;
        this.previousHash = previousHash;
        this.timestamp = timestamp;
        this.data = data;
        this.hash = this.calculateHash();
        this.nonce = 0;

tty007

class RSA
  attr_accessor :p, :q
  
  def initialize(text)
    @text = text
  end

  def setting_keys(p, q)
    @p = p
    @q = q