Skip to content

Instantly share code, notes, and snippets.

@milti

milti/ballot.sol

Created Nov 3, 2018
Embed
What would you like to do?
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-v0.4.25+commit.59dbf8f1.js&optimize=true&gist=
pragma solidity ^0.4.0;
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.
function Ballot(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 constant 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;
}
}
}
pragma solidity ^0.4.7;
import "remix_tests.sol"; // this import is automatically injected by Remix.
import "./ballot.sol";
contract test3 {
Ballot ballotToTest;
function beforeAll () {
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 constant returns (bool) {
return ballotToTest.winningProposal() == 1;
}
}
pragma solidity ^0.4.25;
/**
* @author milti leonard
*/
contract timeLock {
address public owner;
uint public lockPeriod;
struct Participant {
uint lockPeriodStart;
bool active;
uint amount; // amount will be referenced in *wei*
}
mapping(address => Participant) public participants;
modifier onlyOwner {
require(msg.sender == owner,"only the owner can execute this function");
_;
}
constructor (uint _lockPeriod) public {
require(_lockPeriod > 0, "lock period should be less than 0");
owner = msg.sender;
lockPeriod = _lockPeriod;
}
function() public {
revert();
}
function lockFunds() public payable {
Participant storage _p = participants[msg.sender];
require(_p.active == false, "sender already has funds locked");
_p.active = true;
_p.lockPeriodStart = now;
_p.amount = msg.value;
}
function releaseFunds() public {
Participant storage _p = participants[msg.sender];
require(_p.active == true, "no locked funds for this account");
require(now >= _p.lockPeriodStart + lockPeriod, "lock period has not yet expired");
uint _amountToRefund = _p.amount;
delete participants[msg.sender];
msg.sender.transfer(_amountToRefund);
}
function updateLockPeriod(uint _newPeriod) public onlyOwner {
lockPeriod = _newPeriod;
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.