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| const { AbiCoder } = require("@ethersproject/abi"); | ||
| const { expect } = require("chai"); | ||
| const { ethers } = require("hardhat"); | ||
| // const { AbiCoder } = require("@ethersproject/abi"); | ||
| // const { expect } = require("chai"); | ||
| // const { ethers } = require("hardhat"); | ||
|
|
||
| function expandTo18Decimals(n) { | ||
| return ethers.BigNumber.from(n).mul(ethers.BigNumber.from(10).pow(18)) | ||
| } | ||
| // function expandTo18Decimals(n) { | ||
| // return ethers.BigNumber.from(n).mul(ethers.BigNumber.from(10).pow(18)) | ||
| // } | ||
|
|
||
| describe("Tellor", function() { | ||
| // describe("Tellor", function() { | ||
|
|
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| const tellorMaster = "0x88dF592F8eb5D7Bd38bFeF7dEb0fBc02cf3778a0" | ||
| const DEV_WALLET = "0x39E419bA25196794B595B2a595Ea8E527ddC9856" | ||
| // const tellorMaster = "0x88dF592F8eb5D7Bd38bFeF7dEb0fBc02cf3778a0" | ||
| // const DEV_WALLET = "0x39E419bA25196794B595B2a595Ea8E527ddC9856" | ||
|
|
||
| it("mock Attack on Tellor", async function() { | ||
| // it("should mint Tellor", async function() { | ||
|
|
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| const accounts = await ethers.getSigners(); | ||
| const attacker = accounts[1]; | ||
| const user2 = accounts[2]; | ||
| // const accounts = await ethers.getSigners(); | ||
| // const attacker = accounts[1]; | ||
| // const user2 = accounts[2]; | ||
|
|
||
| // Take over an account just to give 500 tokens to the attacker | ||
| await hre.network.provider.request({ | ||
| method: "hardhat_impersonateAccount", | ||
| params: [DEV_WALLET]} | ||
| ) | ||
| oldTellorInstance = await ethers.getContractAt("contracts/ITellor.sol:ITellor", tellorMaster) | ||
| getters = await ethers.getContractAt("contracts/TellorGetters.sol:TellorGetters", tellorMaster) | ||
| let fact = await ethers.getContractFactory("contracts/Mocks/TellorTest.sol:TellorTest"); | ||
| let ext = await ethers.getContractFactory("contracts/Extension.sol:Extension"); | ||
| newExt = await ext.deploy(); | ||
| await newExt.deployed(); | ||
| newTellor = await fact.deploy(newExt.address); | ||
| await newTellor.deployed(); | ||
| await hre.network.provider.request({ | ||
| method: "hardhat_impersonateAccount", | ||
| params: [DEV_WALLET] | ||
| }) | ||
| await accounts[0].sendTransaction({to:DEV_WALLET,value:ethers.utils.parseEther("1.0")}); | ||
| const devWallet = await ethers.provider.getSigner(DEV_WALLET); | ||
| master = await oldTellorInstance.connect(devWallet) | ||
| await master.changeTellorContract(newTellor.address); | ||
| // // Take over an account just to give 500 tokens to the attacker | ||
| // await hre.network.provider.request({ | ||
| // method: "hardhat_impersonateAccount", | ||
| // params: [DEV_WALLET]} | ||
| // ) | ||
| // oldTellorInstance = await ethers.getContractAt("contracts/ITellor.sol:ITellor", tellorMaster) | ||
| // getters = await ethers.getContractAt("contracts/TellorGetters.sol:TellorGetters", tellorMaster) | ||
| // let fact = await ethers.getContractFactory("contracts/Mocks/TellorTest.sol:TellorTest"); | ||
| // let ext = await ethers.getContractFactory("contracts/Extension.sol:Extension"); | ||
| // newExt = await ext.deploy(); | ||
| // await newExt.deployed(); | ||
| // newTellor = await fact.deploy(newExt.address); | ||
| // await newTellor.deployed(); | ||
| // await hre.network.provider.request({ | ||
| // method: "hardhat_impersonateAccount", | ||
| // params: [DEV_WALLET] | ||
| // }) | ||
| // await accounts[0].sendTransaction({to:DEV_WALLET,value:ethers.utils.parseEther("1.0")}); | ||
| // const devWallet = await ethers.provider.getSigner(DEV_WALLET); | ||
| // master = await oldTellorInstance.connect(devWallet) | ||
| // await master.changeTellorContract(newTellor.address); | ||
|
|
||
| const tellor = await ethers.getContractAt("ITellor",tellorMaster, devWallet); | ||
| await tellor.deployed(); | ||
| // Make sure that impersonated address has some tokens | ||
| expect(await tellor.balanceOf(await devWallet.getAddress())).not.equal(expandTo18Decimals(0)); | ||
| // Check iniitial zero balance | ||
| expect(await tellor.balanceOf(attacker.address)).equal("0"); | ||
| // Transfer 501 tokens to the attacker | ||
| await tellor.transfer(attacker.address, expandTo18Decimals(501), {from: devWallet.address}); | ||
| expect(await tellor.balanceOf(attacker.address)).equal(expandTo18Decimals(501)); | ||
| // Become a staker (changes currentStatus to 1) | ||
| const userTellor = tellor.connect(attacker); | ||
| await userTellor.depositStake(); | ||
| // Tip any requestId with 2 tokens to make the balance lower than 500 | ||
| expect(userTellor.addTip(1,expandTo18Decimals(2))).to.be.reverted; | ||
| expect(await tellor.balanceOf(attacker.address)).equal(expandTo18Decimals(501)); | ||
| // Transfer more than 500 tokens to underflow the balance | ||
| expect(await tellor.balanceOf(user2.address)).equal("0"); | ||
| expect(userTellor.transfer (user2.address, expandTo18Decimals(1000))).to.be.reverted; | ||
| expect(await tellor.balanceOf(user2.address)).equal(expandTo18Decimals(0)); | ||
| }); | ||
| }); | ||
| // const tellor = await ethers.getContractAt("ITellor",tellorMaster, devWallet); | ||
| // await tellor.deployed(); | ||
| // // Make sure that impersonated address has some tokens | ||
| // expect(await tellor.balanceOf(await devWallet.getAddress())).not.equal(expandTo18Decimals(0)); | ||
| // // Check iniitial zero balance | ||
| // expect(await tellor.balanceOf(attacker.address)).equal("0"); | ||
| // // Transfer 501 tokens to the attacker | ||
| // await tellor.transfer(attacker.address, expandTo18Decimals(501), {from: devWallet.address}); | ||
| // expect(await tellor.balanceOf(attacker.address)).equal(expandTo18Decimals(501)); | ||
| // // Become a staker (changes currentStatus to 1) | ||
| // const userTellor = tellor.connect(attacker); | ||
| // await userTellor.depositStake(); | ||
| // // Tip any requestId with 2 tokens to make the balance lower than 500 | ||
| // expect(userTellor.addTip(1,expandTo18Decimals(2))).to.be.reverted; | ||
| // expect(await tellor.balanceOf(attacker.address)).equal(expandTo18Decimals(501)); | ||
| // // Transfer more than 500 tokens to underflow the balance | ||
| // expect(await tellor.balanceOf(user2.address)).equal("0"); | ||
| // expect(userTellor.transfer (user2.address, expandTo18Decimals(1000))).to.be.reverted; | ||
| // expect(await tellor.balanceOf(user2.address)).equal(expandTo18Decimals(0)); | ||
| // }); | ||
| // }); |