Created
June 27, 2018 23:49
-
-
Save andersoncarubelli/02d40463d3fbb7fd0d68217d8cfcff15 to your computer and use it in GitHub Desktop.
Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.4.24+commit.e67f0147.js&optimize=false&gist=
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.24; | |
contract CertificadoConclusaoDeCurso { | |
address public aluno; | |
string public emailAluno; | |
address public professor; | |
address public instituicao; | |
string public nomeCurso; | |
bool public certificadoValido = false; | |
constructor(address _aluno, string _emailAluno, address _professor, address _instituicao, string _nomeCurso, bool _certificadoValido) public { | |
aluno = _aluno; | |
emailAluno = _emailAluno; | |
professor = _professor; | |
instituicao = _instituicao; | |
nomeCurso = _nomeCurso; | |
certificadoValido = _certificadoValido; | |
} | |
function defineProfessorAutorizado(address professorAutorizado) public { | |
require(msg.sender == instituicao, 'Somente a instituicao pode definir o professor que validar o certificado'); | |
professor = professorAutorizado; | |
} | |
function validarCertificado() public { | |
require(msg.sender == professor, 'Somente o professor pode validar o certificado'); | |
certificadoValido = true; | |
} | |
function invalidarCertificado() public { | |
require(msg.sender == professor, 'Somente o professor pode validar o certificado'); | |
certificadoValido = false; | |
} | |
function alterarEmailAluno(string novoEmail) public { | |
require(msg.sender == aluno, 'Somente o aluno pode alterar o email'); | |
emailAluno = novoEmail; | |
} | |
function alterarNomeCurso(string novoNomeCurso) public { | |
require(msg.sender == instituicao, 'Somente a instituicao pode alterar os dados do curso'); | |
nomeCurso = novoNomeCurso; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.24; | |
contract ContratoQualquer { | |
string public valor; | |
function alterarValor(string novoValor) public { | |
valor = novoValor; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.18; | |
contract EscrituraImovel { | |
string public matriculaImovel; | |
address public proprietario; | |
constructor(string _matriculaImovel) public { | |
matriculaImovel = _matriculaImovel; | |
proprietario = msg.sender; | |
} | |
function transferir(address novoProprietario) public { | |
require(msg.sender == proprietario, 'Somente o proprietario pode transferir o imovel'); | |
proprietario = novoProprietario; | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
pragma solidity ^0.4.24; | |
contract FigurinhaDaCopa { | |
string public nomeJogador = "Ronaldo gorducho"; | |
uint public numeroCamisa = 10; | |
string public selecao = "Brasil"; | |
address public dono; | |
constructor(string _nomeJogador, uint _numeroCamisa, string _selecao) public { | |
nomeJogador = _nomeJogador; | |
numeroCamisa = _numeroCamisa; | |
selecao = _selecao; | |
dono = msg.sender; | |
} | |
function alterarDono(address novoDono) public returns(address) { | |
require(msg.sender == dono, 'Somente o dono da figurinha pode alterar o novo dono'); | |
dono = novoDono; | |
return dono; | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment