pmatsinopoulos

user = User.find_by!(email: "[email protected]")

mutex = Thread::Mutex.new

threads = []
5.times do
  threads << Thread.new do
    CalculateUserBalanceJob.perform_now(user.id, mutex)
  end
end

pmatsinopoulos

user = User.find_by!(email: "[email protected]")

threads = []
5.times do
  threads << Thread.new do
    CalculateUserBalanceJob.perform_now(user.id)
  end
end

threads.each(&:join)

pmatsinopoulos

class User < ApplicationRecord
  has_one :user_balance, dependent: :destroy

  validates :email, presence: true, uniqueness: { case_sensitive: false }

  after_create :create_user_balance

  private

  def create_user_balance

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class CalculateUserBalanceJob < ApplicationJob
  queue_as :default

  def perform(user_id)
    user = User.find(user_id)

    puts "#{Thread.current.object_id} -> Calculating balance for user: #{user.email}"

    user_balance = user.user_balance

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class UserBalance < ApplicationRecord
  belongs_to :user, inverse_of: :user_balance
  validates :user_id, uniqueness: true
  validates :balance, numericality: { greater_than_or_equal_to: 0 }
end

pmatsinopoulos

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");

pmatsinopoulos

/*
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 =

pmatsinopoulos

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

pmatsinopoulos

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;