Ethereum-Developer/DataTypesValor.sol at main · blockdemy/Ethereum-Developer · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.0;


contract DataTypeValor{

    //Booleano
    bool flagVerdadero = true;
    bool flagFalso = false;

    //**************************************/

    //Enteros con signo

    //* 256 bits
    int number1 = -8;

    //*8 bits
    int8 number2 = -8;

    int16 number3 = -8;

    //*256 bits
    int256 number10 = -8;

    //Enteros sin signo

    //* 256 bits
    uint number4 = 8;

    //*8 bits
    uint8 number5 = 8;

    //*32 bits
    uint32 number6 = 8;

    //Conversiones entre Tipos de Datos
    int numNegative = -6;
    uint public numPositive = uint(numNegative);

    //**************************************/

    //Address - 20 bytes - Direcciones Ethereum

    //* Address payable - Puede recibir Ether
    address payable myaddress;

    //* Address del contract acount
    address public addressAcount = address(this);

    //* Address de la externally owned account
    address public addressExternally = msg.sender;

    //Propiedades de address

    //*Balance
    uint public balanceAddressAcount = addressAcount.balance;

    uint public balanceAddresExternally = addressExternally.balance;

    //**************************************/

    //Arrays de tamaño fijo bytes1 - bytes32

    //1 byte - 8 bits
    bytes1 data = "9";

    bytes2 data2 = "90";

    bytes32 data3 = "Hello world";

    //Propiedades de bytes

    //*Tamaño
    uint public lenghtData1 = data.length;

    uint public lenghtData2 = data2.length;

    //String
    string public hello = "Hello world";

}