aptos/src/tests/unit/multi_ed25519.test.ts

Aptos SDK

// Copyright © Aptos Foundation
// SPDX-License-Identifier: Apache-2.0

/* eslint-disable max-len */
import { HexString } from "../../utils";
import { bcsToBytes, Deserializer } from "../../bcs";
import { Ed25519PublicKey, Ed25519Signature } from "../../aptos_types/ed25519";
import { MultiEd25519PublicKey, MultiEd25519Signature } from "../../aptos_types/multi_ed25519";

describe("MultiEd25519", () => {
  it("public key serializes to bytes correctly", async () => {
    const publicKey1 = "b9c6ee1630ef3e711144a648db06bbb2284f7274cfbee53ffcee503cc1a49200";
    const publicKey2 = "aef3f4a4b8eca1dfc343361bf8e436bd42de9259c04b8314eb8e2054dd6e82ab";
    const publicKey3 = "8a5762e21ac1cdb3870442c77b4c3af58c7cedb8779d0270e6d4f1e2f7367d74";

    const pubKeyMultiSig = new MultiEd25519PublicKey(
      [
        new Ed25519PublicKey(new HexString(publicKey1).toUint8Array()),
        new Ed25519PublicKey(new HexString(publicKey2).toUint8Array()),
        new Ed25519PublicKey(new HexString(publicKey3).toUint8Array()),
      ],
      2,
    );

    expect(HexString.fromUint8Array(pubKeyMultiSig.toBytes()).noPrefix()).toEqual(
      "b9c6ee1630ef3e711144a648db06bbb2284f7274cfbee53ffcee503cc1a49200aef3f4a4b8eca1dfc343361bf8e436bd42de9259c04b8314eb8e2054dd6e82ab8a5762e21ac1cdb3870442c77b4c3af58c7cedb8779d0270e6d4f1e2f7367d7402",
    );
  });

  it("public key deserializes from bytes correctly", async () => {
    const publicKey1 = "b9c6ee1630ef3e711144a648db06bbb2284f7274cfbee53ffcee503cc1a49200";
    const publicKey2 = "aef3f4a4b8eca1dfc343361bf8e436bd42de9259c04b8314eb8e2054dd6e82ab";
    const publicKey3 = "8a5762e21ac1cdb3870442c77b4c3af58c7cedb8779d0270e6d4f1e2f7367d74";

    const pubKeyMultiSig = new MultiEd25519PublicKey(
      [
        new Ed25519PublicKey(new HexString(publicKey1).toUint8Array()),
        new Ed25519PublicKey(new HexString(publicKey2).toUint8Array()),
        new Ed25519PublicKey(new HexString(publicKey3).toUint8Array()),
      ],
      2,
    );
    const deserialzed = MultiEd25519PublicKey.deserialize(new Deserializer(bcsToBytes(pubKeyMultiSig)));
    expect(HexString.fromUint8Array(deserialzed.toBytes()).noPrefix()).toEqual(
      HexString.fromUint8Array(pubKeyMultiSig.toBytes()).noPrefix(),
    );
  });

  it("signature serializes to bytes correctly", async () => {
    // eslint-disable-next-line operator-linebreak
    const sig1 =
      "e6f3ba05469b2388492397840183945d4291f0dd3989150de3248e06b4cefe0ddf6180a80a0f04c045ee8f362870cb46918478cd9b56c66076f94f3efd5a8805";
    // eslint-disable-next-line operator-linebreak
    const sig2 =
      "2ae0818b7e51b853f1e43dc4c89a1f5fabc9cb256030a908f9872f3eaeb048fb1e2b4ffd5a9d5d1caedd0c8b7d6155ed8071e913536fa5c5a64327b6f2d9a102";
    const bitmap = "c0000000";

    const multisig = new MultiEd25519Signature(
      [
        new Ed25519Signature(new HexString(sig1).toUint8Array()),
        new Ed25519Signature(new HexString(sig2).toUint8Array()),
      ],
      new HexString(bitmap).toUint8Array(),
    );

    expect(HexString.fromUint8Array(multisig.toBytes()).noPrefix()).toEqual(
      "e6f3ba05469b2388492397840183945d4291f0dd3989150de3248e06b4cefe0ddf6180a80a0f04c045ee8f362870cb46918478cd9b56c66076f94f3efd5a88052ae0818b7e51b853f1e43dc4c89a1f5fabc9cb256030a908f9872f3eaeb048fb1e2b4ffd5a9d5d1caedd0c8b7d6155ed8071e913536fa5c5a64327b6f2d9a102c0000000",
    );
  });

  it("signature deserializes from bytes correctly", async () => {
    // eslint-disable-next-line operator-linebreak
    const sig1 =
      "e6f3ba05469b2388492397840183945d4291f0dd3989150de3248e06b4cefe0ddf6180a80a0f04c045ee8f362870cb46918478cd9b56c66076f94f3efd5a8805";
    // eslint-disable-next-line operator-linebreak
    const sig2 =
      "2ae0818b7e51b853f1e43dc4c89a1f5fabc9cb256030a908f9872f3eaeb048fb1e2b4ffd5a9d5d1caedd0c8b7d6155ed8071e913536fa5c5a64327b6f2d9a102";
    const bitmap = "c0000000";

    const multisig = new MultiEd25519Signature(
      [
        new Ed25519Signature(new HexString(sig1).toUint8Array()),
        new Ed25519Signature(new HexString(sig2).toUint8Array()),
      ],
      new HexString(bitmap).toUint8Array(),
    );

    const deserialzed = MultiEd25519Signature.deserialize(new Deserializer(bcsToBytes(multisig)));
    expect(HexString.fromUint8Array(deserialzed.toBytes()).noPrefix()).toEqual(
      HexString.fromUint8Array(multisig.toBytes()).noPrefix(),
    );
  });

  it("creates a valid bitmap", () => {
    expect(MultiEd25519Signature.createBitmap([0, 2, 31])).toEqual(
      new Uint8Array([0b10100000, 0b00000000, 0b00000000, 0b00000001]),
    );
  });

  it("throws exception when creating a bitmap with wrong bits", async () => {
    expect(() => {
      MultiEd25519Signature.createBitmap([32]);
    }).toThrow("Invalid bit value 32.");
  });

  it("throws exception when creating a bitmap with duplicate bits", async () => {
    expect(() => {
      MultiEd25519Signature.createBitmap([2, 2]);
    }).toThrow("Duplicated bits detected.");
  });
});