amplicity

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.1;

// i think the problem here is that the base uri will change the base uri for all tokens.

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract HeavyMellow is ERC721, Ownable {

amplicity

   ___                            ______ _           _     _            
  |_  |                           |  _  (_)         (_)   | |           
    | | __ _ _ __ ___   ___  ___  | | | |_  ___  ___ _  __| |_   _  ___ 
    | |/ _` | '_ ` _ \ / _ \/ __| | | | | |/ _ \/ __| |/ _` | | | |/ _ \
/\__/ / (_| | | | | | |  __/\__ \ | |/ /| |  __/ (__| | (_| | |_| |  __/
\____/ \__,_|_| |_| |_|\___||___/ |___/ |_|\___|\___|_|\__,_|\__,_|\___|
                                                                        

I'm a founder, artist, and software engineer who is passionate about furthering humanity through innovation, providing greater access to equality, and solving climate change.

amplicity

class Store{
  constructor(){
    this.store = new Map();
  }
  
  put(key, value, ttl){
    ttl = Date.now() + ttl;
    this.store.set(key, {value,ttl});
    this._cleanOldKeys();
  }