获取全局变量值

// SPDX-License-Identifier: MIT
pragma solidity >= 0.6.0;

import "hardhat/console.sol";

contract Vault {
  bool public locked;
  bytes32 private password;
  uint256 private data;

  constructor(bytes32 _password) public {
    locked = true;
    password = _password;
    data = 9;
  }

  function unlock(bytes32 _password) public {
    if (password == _password) {
      locked = false;
    }
  }
}

const { expect } = require("chai");
const { ethers } = require("hardhat");

contractName = "Vault";

describe(contractName, function () {
  it("test ", async function () {
    const Contract = await ethers.getContractFactory(contractName);
    //parseBytes32String:bytes32 to string
    //formatBytes32String:string to bytes32
    const contract = await Contract.deploy(ethers.utils.formatBytes32String("123456"));
    console.log("lock:",await contract.locked());

    let password = await ethers.provider.getStorageAt(contract.address, 1)
    await contract.unlock(password);
    console.log("password:",password);
    console.log("lock:",await contract.locked());
    let data = await ethers.provider.getStorageAt(contract.address, 2)
    console.log("data:",data);
  });
});

map的获取

// SPDX-License-Identifier: MIT
pragma solidity >= 0.6.0;

contract UserPass {
    //slot 0
    mapping(uint => uint) private users;

    constructor() {
    }

    function addUser(uint addr, uint i) public {
        users[addr] = i;
    }

}

const { expect } = require("chai");
const { ethers,waffle } = require("hardhat");
const { mainModule } = require("process");


contractName = "UserPass";

function addrAdd(_from, _num){
    let b = ethers.BigNumber.from(_from).add(_num)
    return ethers.utils.hexValue(b);
  }

describe(contractName, function () {
  it("test ", async function () {
    const Contract = await ethers.getContractFactory(contractName);

    const userpass = await Contract.deploy();
    let user1, user2;
    [user1, user2] = await ethers.getSigners();
    
    await userpass.connect(user1).addUser(1,16);
    await userpass.connect(user1).addUser(2,17);
    hash = await ethers.utils.keccak256(await ethers.utils.defaultAbiCoder.encode(["uint", "uint"], [1,0]))
    console.log("pass1:",await ethers.provider.getStorageAt(userpass.address, hash));
    hash = await ethers.utils.keccak256(await ethers.utils.defaultAbiCoder.encode(["uint", "uint"], [2,0]))
    console.log("pass2",await ethers.provider.getStorageAt(userpass.address, hash));




  });
});