15-02-2022

SimpleStorage.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

contract SimpleStorage {
    
    // this will get initialized as 0
    uint256 favoriteNumber;
    bool favoriteBool;

    struct Person {
        uint256 favoriteNumber;
        string name;
    }

    Person[] people;
    mapping(string => uint256) public nameToFavoriteNumber;
    
    function store(uint256 _favoriteNumber) public {
        favoriteNumber = _favoriteNumber;
    }

    // view, pure
    function retrieveFavoriteNumber() public view returns(uint256) {
        return favoriteNumber;
    }

    function addToPeople(string memory _name, uint _favoriteNumber) public {
        Person memory _person = Person({name: _name, favoriteNumber: _favoriteNumber});
        people.push(_person);
        nameToFavoriteNumber[_name] = _favoriteNumber;
    }

}

StorageFactory.sol

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./SimpleStorage.sol";

contract StorageFactory {

    // create an array of SimpleStorage
    SimpleStorage[] simpleStorages;
    address[] factoryDeployed;
    address[] predeployedSimpleStoragesLocations;

    function createSimpleStorage() public {
        SimpleStorage simpleStorage = new SimpleStorage();
        simpleStorages.push(simpleStorage);
        factoryDeployed.push(address(simpleStorage));
    }

    function addToPredeployed(address[] memory _contractAddresses) public {
        for (uint256 i; i<_contractAddresses.length; i++){
            predeployedSimpleStoragesLocations.push(_contractAddresses[i]);
        }
    }
    
    function getTotalSimpleStorages() public view returns (uint) {
        return simpleStorages.length;
    }

    function getLocations() public view returns (address[] memory){
        return factoryDeployed;
    }

    function sfStore(uint256 _index, uint256 _favoriteNumber) public {
        // Address
        // ABI
        simpleStorages[_index].store(_favoriteNumber);

        /* same as

         SimpleStorage _simpleStorage = simpleStorages[_index];
        _simpleStorage.store(_favoriteNumber);

        */

    }

    function sfGet(uint256 _index) public view  returns(uint256){
        return simpleStorages[_index].retrieveFavoriteNumber();
    }


    
    function sfGetALlFav() public view  returns(uint256[] memory, uint256[] memory) {
        // mapping(string => uint256[]) memory _favorites;
        uint256[] memory _factoryDeployedFavorites = new uint256[](factoryDeployed.length);
        // loop factoryDeployed 
        for (uint256 _index=0; _index < factoryDeployed.length; _index++){
            uint256 _fav = simpleStorages[_index].retrieveFavoriteNumber();
            _factoryDeployedFavorites[_index] = _fav;
        }


        uint256[] memory _predeployedFavorites = new uint256[](predeployedSimpleStoragesLocations.length);
        // loop predeployedSimpleStoragesLocations
        for (uint256 _index=0; _index < predeployedSimpleStoragesLocations.length; _index++){
            address _contractAddress = predeployedSimpleStoragesLocations[_index];
            SimpleStorage _simpleStorage = SimpleStorage(_contractAddress);
            uint256 _fav = _simpleStorage.retrieveFavoriteNumber();
            _predeployedFavorites[_index] = _fav;
        }

        return (_factoryDeployedFavorites, _predeployedFavorites);
    }

}


// 0 => 0x02F024B95859661614f5e20Cdff0b47e48415e7f => 7
// 1 => 0x403607E85201AEE3887869cCa2861B4d1d7FC575 => 5
// 2 => 0xd71AcF2b3DB4378AA5aa65D06972BAE16940Bd8d => 8

// probably the same SimpleStorage contracts
// 0x618e104D81669c9ab0082a4e934abD5c3e9c2473
// 0xbf2506980854b6676bc03Fff61eA37e16F590cA5
// 0x775B9feFf325f057ddf796dc582f0ca3c2D9aAA2

// 0xAE76c561daeDD9f06122ED9a16C39B32E35acA69
// 0x84F1eA9fb2bFd2082De925245846D547cD8Bb00E
// 0x869C831dFBBFd8a23bb7e78B64E459a8bcE22D40
// 0xF88EDA0af349C50A469F7F43Fb15cF8831F7a081

// 0xc6b336BE77D9A30776f044375A96224303d07F03
// 0xBebf4f6A18e74329C4c69673A284AFa30333643a