git3-contract/test/slot-helper-test.js

const { web3, ethers } = require("hardhat");
const { expect } = require("chai");
const { Contract, BigNumber } = require("ethers");

describe("SlotHelper Library Test", function () {
  let SlotHelperTest;
  const SHITLEFT224BIT = BigNumber.from(1).mul(16).pow(56);

  beforeEach(async () => {
    let factory = await ethers.getContractFactory("SlotHelperTest");
    SlotHelperTest = await factory.deploy();
    await SlotHelperTest.deployed();
  });

  it("SlotHelper/encodeLen & decodeLen", async function () {
    const len = 20;
    let res = await SlotHelperTest.encodeLen(len);
    let expectRes = BigNumber.from(len).mul(SHITLEFT224BIT).toHexString();

    expect(BigNumber.from(res).eq(expectRes)).to.eq(true);

    let resLen = await SlotHelperTest.decodeLen(res);
    expect(resLen.eq(BigNumber.from(len))).to.eq(true);
  });

  it("SlotHelper/encodeMetadata & decodeMetadata & decodeMetadata1", async function () {
    const len = 20;
    const data = [];
    for (let i = 0; i < len; i++) {
      data.push(1);
    }

    //return mdata = "0x0000001401010101010101010101010101010101010101010000000000000000"
    let mdata = await SlotHelperTest.encodeMetadata(data);

    //return [resLen1,resData1] = [20,"0x0101010101010101010101010101010101010101000000000000000000000000"]
    let [resLen1, resData1] = await SlotHelperTest.decodeMetadata(mdata);
    expect(resLen1.toNumber()).to.eq(len);

    //return [resLen2,resData2] = [20,"0x0101010101010101010101010101010101010101"]
    let [resLen2, resData2] = await SlotHelperTest.decodeMetadata1(mdata);
    expect(resLen2.toNumber()).to.eq(len);
    expect(BigNumber.from(data).toHexString()).to.eq(resData2);

    // 20
    let resLen3 = await SlotHelperTest.decodeLen(mdata);
    expect(resLen2.eq(BigNumber.from(len))).to.eq(true);
  });

  it("SlotHelper/ put & get", async function () {
    let key =
      "0x00000000000000000000000000000000000000000000000000000000000000aa";
    let data = "0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
    let datalen = 17;

    let tx1 = await SlotHelperTest.put(key, data);
    await tx1.wait();
    let resData = await SlotHelperTest.get(key);
    let resLen = await SlotHelperTest.getLen(key);

    expect(data).to.eq(resData);
    expect(resLen.toNumber()).to.eq(datalen);
  });

  it("SlotHelper/ put & get over 28byte", async function () {
    let key =
      "0x00000000000000000000000000000000000000000000000000000000000000aa";
    let data =
      "0xbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
    let datalen = 64;

    let tx1 = await SlotHelperTest.put(key, data);
    await tx1.wait();
    let resData = await SlotHelperTest.get(key);
    let resLen = await SlotHelperTest.getLen(key);

    expect(data).to.eq(resData);
    expect(resLen.toNumber()).to.eq(datalen);
  });
});