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@igroomgrim
Last active March 31, 2018 03:35
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Funny example for Thailand 0.4 Election system
pragma solidity ^0.4.18;
import './ThailandMilitaryPower.sol';
import './Proposal.sol';
contract ThailandBollot is ThailandMilitaryPower {
struct Voter {
// This property should be hide :P
// uint8 voteToProposal;
bool voted;
}
// Fee for who want to be candidate
uint256 public politicalFee;
// Candidates
Proposal[] public proposals;
mapping (address => bool) public candidates;
address[] public candidateList;
// Voters
address[] public voterList;
mapping (address => Voter) public addressOfVoter;
mapping (address => uint256) public voteCountOfProposal;
// Election Time
uint256 public startTime;
uint256 public endTime;
// Modifier
modifier duringVoteTime() {
require(now >= startTime && now <= endTime);
_;
}
modifier onlyChairperson() {
require(msg.sender == chairperson);
_;
}
modifier onlyCandidate() {
require(candidates[msg.sender]);
_;
}
// 1514764800, 1546214400
function ThailandBollot(uint256 _startTime, uint256 _endTime) public {
startTime = _startTime;
endTime = _endTime;
politicalFee = 0.44 ether;
}
function updatePoliticalFee(uint256 _fee) public onlyChairperson {
politicalFee = _fee;
}
function wantToBeCandidate() public payable {
require(msg.value >= politicalFee);
candidates[msg.sender] = true;
candidateList.push(msg.sender);
}
function createProposal(string _manifesto) public onlyCandidate {
proposals.push(new Proposal(msg.sender, _manifesto));
}
function vote(address _toProposal) public duringVoteTime {
Voter storage voter = addressOfVoter[msg.sender];
require(!voter.voted);
require(_toProposal != address(0));
voterList.push(msg.sender);
voter.voted = true;
voteCountOfProposal[_toProposal] = voteCountOfProposal[_toProposal].add(1);
}
function winningProposal() public view returns (address _winningProposal) {
uint256 _winningVoteCount = 0;
for (uint8 prop = 0; prop < proposals.length; prop++) {
if (voteCountOfProposal[proposals[prop]] > _winningVoteCount) {
_winningVoteCount = voteCountOfProposal[proposals[prop]];
_winningProposal = proposals[prop];
}
}
return _winningProposal;
}
}
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