psychemist

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.22;

contract StudentPortal {
    address owner;

    struct Student {
        address walletAddress;
        string name;
        string email;

psychemist

// SPDX-License-Identifier: MIT
pragma solidity 0.8.26;

interface IVIPBank {
    function deposit() external payable;
    function addVIP(address addr) external;
    function withdraw(uint _amount) external;
}

contract DoS_Attack {

psychemist

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import {Test, console2} from "forge-std/Test.sol";
import {ChallengeTwo, Exploit} from "../src/ChallengeTwo.sol";

contract ChallengeTwoTest is Test {
    ChallengeTwo public challenge;
    Exploit public exploit;
    uint count;

psychemist

contract FlashLoanAttacker is IFlashLoanEtherReceiver {
    Web3BridgeCXIPool private immutable pool;

    constructor(address poolAddress) {
        pool = Web3BridgeCXIPool(poolAddress);
    }

    function attack() external {
        pool.flashLoan(address(pool).balance);
        

psychemist

// initialize switch state variable
int switchState = 0;

// setup function runs once: when arduino is powered on
void setup() {
    // configure digital pins
    pinMode(2, INPUT);
    pinMode(3, OUTPUT);
    pinMode(4, OUTPUT);
    pinMode(5, OUTPUT);

psychemist

// declare global constant variables
const int sensorPin = A0;
const float baselineTemp = 20.0;

void setup() {
    // open a serial port connection between the Arduino board and computer
    // allowing communication at 9600 bauds (bits per second)
    Serial.begin(9600);

    // assign digital pins as output and toggle off

psychemist

// set up constants for input and output pins
const int redLEDPin = 9;
const int greenLEDPin = 10;
const int blueLEDPin = 11;

const int redSensorPin = A0;
const int greenSensorPin = A1;
const int blueSensorPin = A2;

// add variables for incoming sensor and output values

psychemist

// import Servo library
#include <Servo.h>

// create Servo object from library
Servo myServo;

// declare variables for potentiometer pin, analog input value and servo angle
int const potPin = A0;
int potVal;
int angle;

psychemist

// create variables for calibrating the sensor
int sensorValue;
int sensorLow = 1023;
int sensorHigh = 0;

// create constant for calibration indicator at on-board LED connected to pin 13
const int ledPin = 13;

void setup() {
    // set digital pin direction and turn it high

psychemist

// set up array of 6 integers representing frequencies
int notes[] = [ 262, 294, 330, 349];

void setup() {
    // begin serial communnication
    Serial.begin(9600);
}

void loop() {
    // read analog value and send to serial monitor