Rock_Paper_Scissor(Week 1)

//index.mjs

import { loadStdlib } from '@reach-sh/stdlib';
import * as backend from './build/index.main.mjs';
const stdlib = loadStdlib();

const startingBalance = stdlib.parseCurrency(100);
const accAlice = await stdlib.newTestAccount(startingBalance);
const accBob = await stdlib.newTestAccount(startingBalance);

const ctcAlice = accAlice.contract(backend);
const ctcBob = accBob.contract(backend, ctcAlice.getInfo());

const HAND = ['Rock', 'Paper', 'Scissors'];
const OUTCOME = ['Bob wins', 'Draw', 'Alice wins'];
const Player = (Who) => ({
  getHand: () => {
    const hand = Math.floor(Math.random() * 3);
    console.log(`${Who} played ${HAND[hand]}`);
    return hand;
  },
  seeOutcome: (outcome) => {
    console.log(`${Who} saw outcome ${OUTCOME[outcome]}`);
  },
});
await Promise.all([
  ctcAlice.p.Alice({
    ...Player('Alice'),
  }),
  ctcBob.p.Bob({
    ...Player('Bob'),
  }),
]);




//index.rsh
'reach 0.1';

const Player = {
  getHand: Fun([], UInt),
  seeOutcome: Fun([UInt], Null),
};
export const main = Reach.App(() => {
  const Alice = Participant('Alice', {
    ...Player,
  });
  const Bob   = Participant('Bob', {
    ...Player,
  })
  init()

  Alice.only(() => {
    const handAlice = declassify(interact.getHand());
  });
  Alice.publish(handAlice)
  commit();

  Bob.only(() => {
    const handBob = declassify(interact.getHand())
  })
  Bob.publish(handBob)
  const outcome = (handAlice + (4 - handBob)) % 3
  commit()

  each([Alice, Bob], () => {
    interact.seeOutcome(outcome);
  })
})