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April 14, 2019 22:41
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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-v0.4.23+commit.124ca40d.js&optimize=false&gist=
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pragma solidity ^0.4.0; | |
contract ArraySol { | |
address dono; | |
uint numeroSorteado; | |
uint contadorDeSorteios = 0; | |
uint [ ] numerosSorteados; | |
constructor (uint numeroInicial) public payable comCustoMinimo (1000) { | |
dono = msg.sender; | |
set(numeroInicial); | |
} | |
event TrocoEnviado(address pagador, uint troco); | |
function set(uint enviado) public payable comCustoMinimo(1000) { | |
numeroSorteado = enviado; | |
contadorDeSorteios++; | |
numerosSorteados.push(enviado); | |
if (msg.value > 1000){ | |
uint troco = msg.value - 1000; | |
msg.sender.transfer(troco); | |
emit TrocoEnviado(msg.sender, troco); | |
} | |
} | |
modifier comCustoMinimo(uint min) { | |
require(msg.value >= min, "Nao foi enviado Ether suficiente."); | |
_; | |
} | |
function get() public view returns ( | |
address _donoDoContrato, | |
uint _ultimoNumeroSorteado, | |
uint _contadorDeSorteios, | |
uint _saldoEmWei, | |
uint[] _todosNumerosSorteados) | |
{ | |
uint ultimo = numerosSorteados[contadorDeSorteios-1]; | |
return (dono, | |
ultimo, | |
contadorDeSorteios, | |
address(this).balance, | |
numerosSorteados | |
); | |
} | |
function kill() public { | |
require (msg.sender == dono); | |
selfdestruct(dono); | |
} | |
} | |
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pragma solidity ^0.4.0; | |
contract GuardaLoteria { | |
address dono; | |
uint numeroSorteado; | |
uint contadorDeSorteios = 0; | |
uint[] numerosSorteados; | |
constructor(uint numeroInicial) public payable comCustoMinimo(1000) { | |
require (msg.sender.balance > 99.99999999999 ether); | |
dono = msg.sender; | |
set(numeroInicial); | |
} | |
event TrocoEnviado(address pagador, uint troco); | |
function set(uint enviado) public payable comCustoMinimo(1000) { | |
numeroSorteado = enviado; | |
contadorDeSorteios++; | |
numerosSorteados.push(enviado); | |
if (msg.value > 1000){ | |
uint troco = msg.value - 1000; | |
msg.sender.transfer(troco); | |
emit TrocoEnviado(msg.sender, troco); | |
} | |
} | |
modifier comCustoMinimo(uint min) { | |
require(msg.value >= min, "Nao foi enviado Ether suficiente."); | |
_; | |
} | |
function get() public view returns ( | |
address _donoDoContrato, | |
uint _ultimoNumeroSorteado, | |
uint _contadorDeSorteios, | |
uint _saldoEmWei, | |
uint[] _todosNumerosSorteados | |
) { | |
uint ultimo = numerosSorteados[contadorDeSorteios-1]; | |
return (dono, ultimo, contadorDeSorteios, address(this).balance, numerosSorteados); | |
} | |
function kill () public { | |
require (msg.sender == dono); | |
selfdestruct(dono); | |
} | |
} |
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pragma solidity >=0.4.22 <0.6.0; | |
contract Ballot { | |
struct Voter { | |
uint weight; | |
bool voted; | |
uint8 vote; | |
address delegate; | |
} | |
struct Proposal { | |
uint voteCount; | |
} | |
address chairperson; | |
mapping(address => Voter) voters; | |
Proposal[] proposals; | |
/// Create a new ballot with $(_numProposals) different proposals. | |
constructor(uint8 _numProposals) public { | |
chairperson = msg.sender; | |
voters[chairperson].weight = 1; | |
proposals.length = _numProposals; | |
} | |
/// Give $(toVoter) the right to vote on this ballot. | |
/// May only be called by $(chairperson). | |
function giveRightToVote(address toVoter) public { | |
if (msg.sender != chairperson || voters[toVoter].voted) return; | |
voters[toVoter].weight = 1; | |
} | |
/// Delegate your vote to the voter $(to). | |
function delegate(address to) public { | |
Voter storage sender = voters[msg.sender]; // assigns reference | |
if (sender.voted) return; | |
while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender) | |
to = voters[to].delegate; | |
if (to == msg.sender) return; | |
sender.voted = true; | |
sender.delegate = to; | |
Voter storage delegateTo = voters[to]; | |
if (delegateTo.voted) | |
proposals[delegateTo.vote].voteCount += sender.weight; | |
else | |
delegateTo.weight += sender.weight; | |
} | |
/// Give a single vote to proposal $(toProposal). | |
function vote(uint8 toProposal) public { | |
Voter storage sender = voters[msg.sender]; | |
if (sender.voted || toProposal >= proposals.length) return; | |
sender.voted = true; | |
sender.vote = toProposal; | |
proposals[toProposal].voteCount += sender.weight; | |
} | |
function winningProposal() public view returns (uint8 _winningProposal) { | |
uint256 winningVoteCount = 0; | |
for (uint8 prop = 0; prop < proposals.length; prop++) | |
if (proposals[prop].voteCount > winningVoteCount) { | |
winningVoteCount = proposals[prop].voteCount; | |
_winningProposal = prop; | |
} | |
} | |
} |
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import "remix_tests.sol"; // this import is automatically injected by Remix. | |
import "./ballot.sol"; | |
contract test3 { | |
Ballot ballotToTest; | |
function beforeAll () public { | |
ballotToTest = new Ballot(2); | |
} | |
function checkWinningProposal () public { | |
ballotToTest.vote(1); | |
Assert.equal(ballotToTest.winningProposal(), uint(1), "1 should be the winning proposal"); | |
} | |
function checkWinninProposalWithReturnValue () public view returns (bool) { | |
return ballotToTest.winningProposal() == 1; | |
} | |
} |
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pragma solidity >=0.4.22 <0.6.0; | |
contract GuardaLoteria { | |
uint numeroSorteado; | |
function set(uint enviado) public { | |
numeroSorteado = enviado; | |
} | |
function get() public view returns (uint) { | |
return numeroSorteado; | |
} | |
} |
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pragma solidity >=0.4.22 <0.6.0; | |
contract GuardaLoteria1 { | |
uint numeroSorteado; | |
address dono; | |
uint contadorDeSorteios = 0; | |
bool donoRico = false; | |
constructor(uint numeroInicial) public{ | |
require (msg.sender.balance > 99.99999999999 ether); | |
numeroSorteado = numeroInicial; | |
dono = msg.sender; | |
contadorDeSorteios = 1; | |
if (msg.sender.balance > 20 ether){ | |
donoRico = true; | |
} | |
else { | |
donoRico = false; | |
} | |
} | |
function set(uint enviado) public { | |
numeroSorteado = enviado; | |
contadorDeSorteios++; | |
} | |
function get() public view returns (uint) { | |
return numeroSorteado; | |
} | |
function getContador() public view returns (uint){ | |
return contadorDeSorteios; | |
} | |
function getDono() public view returns (address){ | |
return dono; | |
} | |
function getRico() public view returns (bool){ | |
return donoRico; | |
} | |
} |
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pragma solidity ^0.4.23; | |
contract FlowOver { | |
uint16 numeroSorteado; | |
uint numeroSorteadoGrande; | |
uint16 contadorDeSorteios; | |
address dono; | |
constructor (uint16 numeroInicial) public { | |
numeroSorteado = numeroInicial; // 0 a 65535 | |
contadorDeSorteios = 65530; // 0 a 2^256-1 | |
dono = msg.sender; | |
} | |
function set(uint enviado) public payable { | |
numeroSorteadoGrande = enviado; | |
numeroSorteado = uint16(enviado); | |
require (msg.sender == dono , "Apenas o dono do contrato pode setar"); | |
require ( contadorDeSorteios +1 > contadorDeSorteios , "Overflow no contador"); | |
require ( numeroSorteado == numeroSorteadoGrande , "Overflow no numero"); | |
contadorDeSorteios++; | |
} | |
function get() public view returns (uint _numero, uint _numeroSorteadoGrande, uint16 _contador, address _dono, address _contrato, uint _saldo) { | |
return (numeroSorteado, | |
numeroSorteadoGrande, | |
contadorDeSorteios, | |
dono, | |
this, | |
address(this).balance); | |
} | |
} |
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pragma solidity ^0.4.0; | |
contract Overflow { | |
uint16 numeroSorteado; // 0 a 65535 | |
uint numeroSorteadoGrande; // 0 a 2^256 -1 ou (1.1579208923731619542357098500869e+77 – 1) | |
uint16 contadorDeSorteios; | |
address dono; | |
constructor(uint16 numeroInicial) public { | |
numeroSorteado = numeroInicial; | |
contadorDeSorteios = 65530; | |
dono = msg.sender; | |
} | |
function set(uint enviado) public payable { | |
numeroSorteadoGrande = enviado; | |
numeroSorteado = uint16(enviado); | |
require (msg.sender == dono, "apenas o dono do contrato pode setar"); | |
require (contadorDeSorteios + 1 > contadorDeSorteios, "overflow no contador"); | |
require (numeroSorteado == numeroSorteadoGrande, "overflow no numero"); | |
contadorDeSorteios++; | |
} | |
function get() public view returns (uint _numero, uint _numeroSorteadoGrande, uint16 _contador, address _dono, address _contrato, uint _saldo) { | |
return (numeroSorteado, | |
numeroSorteadoGrande, | |
contadorDeSorteios, | |
dono, | |
this, | |
address(this).balance); | |
} | |
} |
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pragma solidity >= 0.4.0; | |
contract GuardaLoteria { | |
int8 numero; | |
bool numeroPar; | |
bool numeroImpar; | |
constructor(int256 _numero) public payable { | |
set (_numero); | |
} | |
function set(int256 _numero) public { | |
require (_numero == int8(_numero), "Valor não cabe na variável global"); | |
numero = int8(_numero); | |
numeroPar = numero % 2 == 0; | |
numeroImpar = !numeroPar; | |
} | |
function get() public view returns (int8 _numero, bool _ePar, bool _eImpar) { | |
return (numero, numeroPar, numeroImpar); | |
} | |
} |
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