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require(saleActive, "TalentCommunitySale: Sale is not active");
require(
    paymentToken.allowance(msg.sender, address(this)) >= 100 * 10**tokenDecimals,
    "TalentCommunitySale: Insufficient allowance"
);
require(tier1Bought < TIER1_MAX_BUYS, "TalentCommunitySale: Tier 1 sold out");
require(!listOfBuyers[msg.sender], "TalentCommunitySale: Address already bought");
require(paymentToken.transferFrom(msg.sender, receivingWallet, 100 * 10**tokenDecimals), "Transfer failed");

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/*
This script lists the Farcaster client apps that a Farcaster account has
registered as client apps. Farcaster apps are _account keys_ registered
on-chain, in Optimism. We are using KeyRegistry contract to read the
number and keys of an FID.
*/
import { ethers } from "hardhat";
import loadContractAbi from "./loadContractAbi";

const KEY_REGISTRY_CONTRACT_ADDRESS =

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[
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "_idRegistry",
        "type": "address"
      },
      {
        "internalType": "address",

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import { HardhatUserConfig, vars } from "hardhat/config";
import "@nomicfoundation/hardhat-toolbox";

const ALCHEMY_API_KEY = vars.get("ALCHEMY_API_KEY");
const ACCOUNT_PRIVATE_KEY = vars.get("ACCOUNT_PRIVATE_KEY")

const config: HardhatUserConfig = {
  solidity: "0.8.24",
  networks: {
    optimism: {

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// Load dependencies

const { expect } = require("chai");

require("@nomiclabs/hardhat-ethers");
require("@nomicfoundation/hardhat-chai-matchers");

// Start test block
describe("Box", function () {
  const value = 42n;

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

// Requirements:
//
// - We want only the creator to create coins.
// - Anyone can send coins to each other without a need for registering with a username and password.
//   All we need is an Ethereum keypair.
// 
contract Coin {

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content_path = Rails.root.join('secret_content_file.txt.enc')

encrypted_file = ActiveSupport::EncryptedFile.new(
  content_path: content_path,
  key_path: Rails.application.config.credentials.key_path,
  env_key: "RAILS_MASTER_KEY",
  raise_if_missing_key: true
)

contents = encrypted_file.read

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content_path = Rails.root.join('secret_content_file.txt')

encrypted_file = ActiveSupport::EncryptedFile.new(
  content_path: "#{content_path}.enc",
  key_path: Rails.application.config.credentials.key_path,
  env_key: "RAILS_MASTER_KEY",
  raise_if_missing_key: true
)

contents = File.read(content_path)

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resource "aws_route_table" "to_nat_gateway" {
  vpc_id = aws_vpc.private_and_public_subnets.id

  tags = {
    "Name" = "access-to-nat-gateway"
  }
}

resource "aws_route" "to_nat_gateway" {
  route_table_id         = aws_route_table.to_nat_gateway.id

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resource "aws_eip" "nat_gateway" {
  depends_on = [aws_internet_gateway.private_and_public_subnets]
}

resource "aws_nat_gateway" "private_and_public_subnets" {
  connectivity_type = "public"
  allocation_id     = aws_eip.nat_gateway.id
  subnet_id         = aws_subnet.subnet_2.id # public subnet

  tags = {