Initial set up

This commit is contained in:
Shriya Tyagi 2023-04-28 17:08:58 +05:30
parent c8b06468da
commit 36a1f458b8
10 changed files with 5129 additions and 398 deletions

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[submodule "lib/forge-std"]
path = lib/forge-std
url = https://github.com/foundry-rs/forge-std

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// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
// Uncomment this line to use console.log
// import "hardhat/console.sol";
contract Lock {
uint public unlockTime;
address payable public owner;
event Withdrawal(uint amount, uint when);
constructor(uint _unlockTime) payable {
require(
block.timestamp < _unlockTime,
"Unlock time should be in the future"
);
unlockTime = _unlockTime;
owner = payable(msg.sender);
}
function withdraw() public {
// Uncomment this line, and the import of "hardhat/console.sol", to print a log in your terminal
// console.log("Unlock time is %o and block timestamp is %o", unlockTime, block.timestamp);
require(block.timestamp >= unlockTime, "You can't withdraw yet");
require(msg.sender == owner, "You aren't the owner");
emit Withdrawal(address(this).balance, block.timestamp);
owner.transfer(address(this).balance);
}
}

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[profile.default]
src = 'contracts'
out = 'out'
libs = ['node_modules', 'lib']
test = 'test'
cache_path = 'cache_forge'

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import { HardhatUserConfig } from "hardhat/config";
import "@nomicfoundation/hardhat-toolbox";
import "@nomicfoundation/hardhat-foundry";
const config: HardhatUserConfig = {
solidity: "0.8.0",
};
export default config;

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package.json Normal file
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{
"name": "dsa-periphery-contract",
"version": "0.0.1",
"description": "DSA Periphery Contract",
"main": "index.js",
"scripts": {
"build": "npm run clean && npm run compile",
"clean": "npx hardhat clean",
"compile": "npx hardhat compile",
"test": "npx hardhat test"
},
"repository": {
"type": "git",
"url": "git+https://github.com/Instadapp/dsa-periphery-contract/"
},
"author": {
"name": "INSTADAPP LABS LLC",
"email": "info@instadapp.io"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/Instadapp/dsa-periphery-contract/issues"
},
"devDependencies": {
"@nomicfoundation/hardhat-foundry": "^1.0.1",
"@nomicfoundation/hardhat-toolbox": "^2.0.2",
"hardhat": "^2.14.0",
"typescript": "^5.0.4"
}
}

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import { ethers } from "hardhat";
async function main() {
const currentTimestampInSeconds = Math.round(Date.now() / 1000);
const unlockTime = currentTimestampInSeconds + 60;
const lockedAmount = ethers.utils.parseEther("0.001");
const Lock = await ethers.getContractFactory("Lock");
const lock = await Lock.deploy(unlockTime, { value: lockedAmount });
await lock.deployed();
console.log(
`Lock with ${ethers.utils.formatEther(lockedAmount)}ETH and unlock timestamp ${unlockTime} deployed to ${lock.address}`
);
}
// We recommend this pattern to be able to use async/await everywhere
// and properly handle errors.
main().catch((error) => {
console.error(error);
process.exitCode = 1;
});

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test/Lock.ts Normal file
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import { time, loadFixture } from "@nomicfoundation/hardhat-network-helpers";
import { anyValue } from "@nomicfoundation/hardhat-chai-matchers/withArgs";
import { expect } from "chai";
import { ethers } from "hardhat";
describe("Lock", function () {
// We define a fixture to reuse the same setup in every test.
// We use loadFixture to run this setup once, snapshot that state,
// and reset Hardhat Network to that snapshot in every test.
async function deployOneYearLockFixture() {
const ONE_YEAR_IN_SECS = 365 * 24 * 60 * 60;
const ONE_GWEI = 1_000_000_000;
const lockedAmount = ONE_GWEI;
const unlockTime = (await time.latest()) + ONE_YEAR_IN_SECS;
// Contracts are deployed using the first signer/account by default
const [owner, otherAccount] = await ethers.getSigners();
const Lock = await ethers.getContractFactory("Lock");
const lock = await Lock.deploy(unlockTime, { value: lockedAmount });
return { lock, unlockTime, lockedAmount, owner, otherAccount };
}
describe("Deployment", function () {
it("Should set the right unlockTime", async function () {
const { lock, unlockTime } = await loadFixture(deployOneYearLockFixture);
expect(await lock.unlockTime()).to.equal(unlockTime);
});
it("Should set the right owner", async function () {
const { lock, owner } = await loadFixture(deployOneYearLockFixture);
expect(await lock.owner()).to.equal(owner.address);
});
it("Should receive and store the funds to lock", async function () {
const { lock, lockedAmount } = await loadFixture(
deployOneYearLockFixture
);
expect(await ethers.provider.getBalance(lock.address)).to.equal(
lockedAmount
);
});
it("Should fail if the unlockTime is not in the future", async function () {
// We don't use the fixture here because we want a different deployment
const latestTime = await time.latest();
const Lock = await ethers.getContractFactory("Lock");
await expect(Lock.deploy(latestTime, { value: 1 })).to.be.revertedWith(
"Unlock time should be in the future"
);
});
});
describe("Withdrawals", function () {
describe("Validations", function () {
it("Should revert with the right error if called too soon", async function () {
const { lock } = await loadFixture(deployOneYearLockFixture);
await expect(lock.withdraw()).to.be.revertedWith(
"You can't withdraw yet"
);
});
it("Should revert with the right error if called from another account", async function () {
const { lock, unlockTime, otherAccount } = await loadFixture(
deployOneYearLockFixture
);
// We can increase the time in Hardhat Network
await time.increaseTo(unlockTime);
// We use lock.connect() to send a transaction from another account
await expect(lock.connect(otherAccount).withdraw()).to.be.revertedWith(
"You aren't the owner"
);
});
it("Shouldn't fail if the unlockTime has arrived and the owner calls it", async function () {
const { lock, unlockTime } = await loadFixture(
deployOneYearLockFixture
);
// Transactions are sent using the first signer by default
await time.increaseTo(unlockTime);
await expect(lock.withdraw()).not.to.be.reverted;
});
});
describe("Events", function () {
it("Should emit an event on withdrawals", async function () {
const { lock, unlockTime, lockedAmount } = await loadFixture(
deployOneYearLockFixture
);
await time.increaseTo(unlockTime);
await expect(lock.withdraw())
.to.emit(lock, "Withdrawal")
.withArgs(lockedAmount, anyValue); // We accept any value as `when` arg
});
});
describe("Transfers", function () {
it("Should transfer the funds to the owner", async function () {
const { lock, unlockTime, lockedAmount, owner } = await loadFixture(
deployOneYearLockFixture
);
await time.increaseTo(unlockTime);
await expect(lock.withdraw()).to.changeEtherBalances(
[owner, lock],
[lockedAmount, -lockedAmount]
);
});
});
});
});

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{
"compilerOptions": {
"target": "es2020",
"module": "commonjs",
"esModuleInterop": true,
"forceConsistentCasingInFileNames": true,
"strict": true,
"skipLibCheck": true,
"resolveJsonModule": true
}
}

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