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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-v0.5.1+commit.c8a2cb62.js&optimize=false&gist=
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pragma solidity >=0.4.22 <0.6.0; | |
contract Ballot { | |
struct Voter { | |
uint weight; | |
bool voted; | |
uint8 vote; | |
address delegate; dfdsfsdf | |
}sfsdf | |
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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pragma solidity ^0.4.17; dddd | |
contract CampaignFactory { | |
address[] public deployedCampaigns; | |
function createCampaign(uint minimum) public { | |
address newCampaign = new Campaign(minimum, msg.sender); | |
deployedCampaigns.push(newCampaign); | |
} | |
function getDeployedCampaigns() public view returns(address[]) { | |
return deployedCampaigns; | |
} | |
} | |
contract Campaign { | |
struct Request { | |
string description; | |
uint value; | |
address recipient; | |
bool complete; | |
uint approvalCount; | |
mapping(address => bool) approvals; | |
} | |
Request[] public requests; | |
address public manager; | |
uint public mininumContribution; | |
mapping(address => bool) public approvers; | |
uint public approversCount; | |
modifier restricted() { | |
require(msg.sender == manager); | |
_; | |
} | |
function Campaign(uint minimum, address creator) public{ | |
manager = creator; | |
mininumContribution = minimum; | |
} | |
function contribute() public payable { | |
require(msg.value > mininumContribution); | |
approvers[msg.sender] = true; | |
approversCount++; | |
} | |
function createRequest(string description, uint value, address recipient) public restricted { | |
Request memory newRequest = Request({ | |
description: description, | |
value: value, | |
recipient: recipient, | |
complete: false, | |
approvalCount: 0 | |
}); | |
requests.push(newRequest); | |
} | |
function approveRequest(uint index) public { | |
Request storage request = requests[index]; | |
require(approvers[msg.sender]); | |
require(!request.approvals[msg.sender]); | |
request.approvals[msg.sender] = true; | |
request.approvalCount++; | |
} | |
function finalizeRequest(uint index) public restricted { | |
Request storage request = requests[index]; | |
require(!request.complete); | |
require(request.approvalCount > (approversCount/2)); | |
request.recipient.transfer(request.value); | |
request.complete = true; | |
} | |
} |
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