@ieigen/anonmisc/test/anonaddr.test.ts

Eigen Anonymous Misc Library

import { expect } from "chai";
const { utils } = require("ethers");
var EC = require("elliptic").ec;
var ec = new EC("secp256k1");
import { DKSAP } from "../lib/anonymous_address";
import * as crypto from "crypto";

const main = () => {
  var keyA = ec.genKeyPair();
  var pubAPoint = keyA.getPublic();
  var pubA = pubAPoint.encode("hex");

  var keyB = ec.genKeyPair();
  var pubBPoint = keyB.getPublic();
  var pubB = pubBPoint.encode("hex");

  let bsap = new DKSAP();

  const nonce = 0;
  const amount = 10;
  const messageObj = {
    nonce: nonce,
    pubA: pubA,
    pubB: pubB,
    amount: amount,
  };

  const message = crypto
    .createHash("sha256")
    .update(JSON.stringify(messageObj))
    .digest("hex");
  console.log("message", message);

  let newSK = bsap.PrivateKey(
    keyB.getPrivate().toString("hex"),
    Buffer.from(message),
    nonce,
    pubA
  );
  console.log(newSK.getPublic().encode("hex"));
  let pubkey = bsap.PublicKey(
    pubB,
    Buffer.from(message),
    nonce,
    keyA.getPrivate().toString("hex")
  );
  console.log(pubkey);
  expect(newSK.getPublic().encode("hex")).to.eq(pubkey);
  expect(
    bsap.Verify(
      pubkey,
      keyB.getPrivate().toString("hex"),
      Buffer.from(message),
      nonce,
      pubA
    )
  ).to.eq(true);
  expect(
    bsap.Verify(
      pubkey,
      keyB.getPrivate().toString("hex"),
      Buffer.from(message),
      nonce + 1,
      pubA
    )
  ).to.eq(false);
  expect(
    bsap.Verify(
      pubkey,
      keyB.getPrivate().toString("hex"),
      Buffer.from("121121"),
      nonce,
      pubA
    )
  ).to.eq(false);
  expect(
    bsap.Verify(
      pubkey,
      keyA.getPrivate().toString("hex"),
      Buffer.from(message),
      nonce,
      pubA
    )
  ).to.eq(false);

  console.log(bsap.PublickeyToAddress(pubkey));

  let pk2 =
    "0x043dfddf56028982b8e1ab9279b7487952712f0e08409a46a933f5c52886f129d58706a270294e80637fcf181303b4d2311de9ee47ec57c60a10c0c0886e26a215";
  let address = utils.getAddress("0x78db2f1965916bb49c567c33124674f5d042e85a");
  expect(bsap.PublickeyToAddress(pk2)).to.eq(address);
  let pk3 =
    "043dfddf56028982b8e1ab9279b7487952712f0e08409a46a933f5c52886f129d58706a270294e80637fcf181303b4d2311de9ee47ec57c60a10c0c0886e26a215";
  expect(bsap.PublickeyToAddress(pk3)).to.eq(address);
};

describe("Anon Address", () => {
  it("BSAP test", () => {
    main();
  });
});