kmjones1979

🚀 Stablecoin Challenge - Complete Developer Tutorial 💰

Welcome to the most exciting DeFi adventure! 🎉 Get ready to dive into the world of stablecoins, yield farming, and automated market making!

📚 Table of Contents

1. 🌟 Project Overview

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// --- Custom Errors ---

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/access/AccessControlUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/proxy/utils/UUPSUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import "./MentorNFT.sol";

kmjones1979

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.28;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import {FunctionsClient} from "./@chainlink/contracts/src/v0.8/functions/dev/1_0_0/FunctionsClient.sol";
import {ConfirmedOwner} from "./@chainlink/contracts/src/v0.8/shared/access/ConfirmedOwner.sol";
import {FunctionsRequest} from "./@chainlink/contracts/src/v0.8/functions/dev/1_0_0/libraries/FunctionsRequest.sol";

contract FunctionsConsumerExample is FunctionsClient, ConfirmedOwner, ERC721 {
  using FunctionsRequest for FunctionsRequest.Request;

kmjones1979

// This example show how to check if an account is enlisted in the mission
const account = args[0].toLowerCase() // make sure the account is in lowercase
const query_url = args[1] //https://api.studio.thegraph.com/query/37762/mymission/version/latest

// Uncomment to use Graph API Key (for published missions)
//const graphKey = secrets.graphKey

const graphRequest = Functions.makeHttpRequest({
  url: `${query_url}`,
  method: "POST",

kmjones1979

"use client";

import { useState } from "react";
import type { NextPage } from "next";
import { formatEther, parseEther } from "viem";
import { useAccount } from "wagmi";
import { Address, AddressInput, EtherInput } from "~~/components/scaffold-eth";
import { useScaffoldReadContract, useScaffoldWriteContract } from "~~/hooks/scaffold-eth";

const Home: NextPage = () => {

kmjones1979

//SPDX-License-Identifier: MIT
pragma solidity >=0.8.0 <0.9.0;

import "hardhat/console.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * A smart contract for a workshop during EthCC
 * @author Kevin Jones
 */

kmjones1979

import * as chains from "wagmi/chains";

// Base chain
export const base = {
  id: 8453,
  network: "base",
  name: "Base",
  nativeCurrency: { name: "Base", symbol: "ETH", decimals: 18 },
  rpcUrls: {
    default: {

kmjones1979

import type { NextPage } from "next";
import { MetaHeader } from "~~/components/MetaHeader";

import { gql } from "@apollo/client";
import { useQuery } from "@apollo/client";
import { Address } from "~~/components/scaffold-eth";

export const GET_MESSAGES = gql`
{
  sendMessages(first: 5) {

kmjones1979

import { useState } from 'react';
import ipfsHttpClient from 'ipfs-http-client';

const IPFSUploader: React.FC = () => {
  const [name, setName] = useState<string>('');
  const [description, setDescription] = useState<string>('');
  const [budget, setBudget] = useState<number>(0);
  const [image, setImage] = useState<File | null>(null);
  const [ipfsResponse, setIPFSResponse] = useState<any | null>(null);