elranu

import crypto from 'crypto';

const ALGORITHM = 'aes-256-cbc';
const ENCODING = 'hex';
const IV_LENGTH = 16;
const KEY = process.env.ENCRYPTION_KEY!;

export const encrypt = (data: string) => {
  const iv = crypto.randomBytes(IV_LENGTH);
  const cipher = crypto.createCipheriv(ALGORITHM, new Buffer(KEY), iv);

elranu

// Code taken from https://gist.github.com/miguelmota/092da99bc8a8416ed7756c472dc253c4
import {
  GetPublicKeyCommand,
  KMSClient,
  SignCommand,
} from "@aws-sdk/client-kms";
import { BigNumber, ethers, Signer, UnsignedTransaction } from "ethers";
import * as asn1 from "asn1.js";
import { AlchemyProvider } from "@ethersproject/providers";

elranu

const { BigNumber, Signer } = require('ethers')
const { keccak256, recoverAddress, joinSignature, resolveProperties, serializeTransaction, hashMessage, arrayify, defineReadOnly } = require('ethers/lib/utils')
const { KMSClient, GetPublicKeyCommand, SignCommand } = require('@aws-sdk/client-kms')
const asn1 = require('asn1.js')

const EcdsaPubKey = asn1.define('EcdsaPubKey', function () {
  this.seq().obj(
    this.key('algo').seq().obj(
      this.key('a').objid(),
      this.key('b').objid()

elranu

import { Injectable } from '@angular/core';
import * as firebase from 'firebase/app';
import { AngularFirestore, AngularFirestoreDocument, AngularFirestoreCollection } from 'angularfire2/firestore';
import { Observable } from 'rxjs/Observable';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/do';
import 'rxjs/add/operator/take';
import 'rxjs/add/operator/toPromise';
import 'rxjs/add/operator/switchMap';

elranu

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Reactive.Linq;
using System.Text;
using System.Threading;

elranu

using System;
using System.Threading;

static class Program {

	static void Main() {
		Console.Write("Performing some task... ");
		using (var progress = new ProgressBar()) {
			for (int i = 0; i <= 100; i++) {
				progress.Report((double) i / 100);