sol_class.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "contracts/1_Storage.sol";

contract Example {
// DATA-TYPES
/* 
strings, boolean, floats -> 2/10 -> 0.004, 0.04498, 0.033444 (does not exist), integers (uint, int), address, arrays, mapping, structs, enums, bytes

 */
    // VALUE TYPES
    bool condition;
    bool status = true;

    // integers (decimals) (uint - ONLY positive integers/numbers, int - negative & positive integers/numbers)
    uint integer;
    uint number = 10;
    // uint num2 = -2; // does not work
    int negativeNumber = -20;
    int positiveNumber = 20;
    // addresses
    address myAddress = 0x5B38Da6a701c568545dCfcB03FcB875f56beddC4; // 20 bytes - 40 hex characters


    // REFERENCE TYPES
    // Strings
    // string name;
    string name = "Jesserc";

    // Arrays
    // can be made with different value data-types
    // you must specify the type of array
    bool[] statuses;
    

}

/* 
Basic file structure of smart contracts

 */


// high level language (solidity) -> low level language (bytecode)


/* 
An example of a bytecode, generated from a solidity high level code
0x6080604052348015600e575f80fd5b50603e80601a5f395ff3fe60806040525f80fdfea2646970667358221220fde5ef0ba354b59e06f7dd063f42f88063beeb5e929638489fe4fddcba1fafd464736f6c63430008150033

Bytecode (compiled smart contracts) runs on the Ethereum virtual machine (EVM).

 */