import * as eccrypto from 'eccrypto';
import * as base58 from 'bs58';

export async function testEncryptDecyptMessage() {
  const wif = "5JgbL2ZnoEAhTudReWH1RnMuQS6DBeLZt4ucV6t8aymVEuYg7sr";
  const pubKey = "EOS6hMjoWRF2L8x9YpeqtUEcsDKAyxSuM1APicxgRU1E3oyV5sDEg";
  const message = "secret message";

  // Last 4 of the EOS Keys are ripemd hash
  const privBuffer = base58.decode(wif).slice(1, 33);
  const pubBuffer = base58.decode(pubKey.slice(3)).slice(0, 33);

  // Encrypting the message for B.
  const encrypted = await eccrypto.encrypt(pubBuffer, Buffer.from(message));

  // Decrypting the message.
  const msgBuffer = await eccrypto.decrypt(privBuffer, encrypted);

  console.log("Decrypted Message:", msgBuffer.toString());
}