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93 lines
3.3 KiB
93 lines
3.3 KiB
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014, 2015, the individual contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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var multi = function(func) { return func.toString().match(/[^]*\/\*([^]*)\*\/\}$/)[1]; }
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var BALLOT_EXAMPLE = multi(function(){/*contract Ballot {
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struct Voter {
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uint weight;
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bool voted;
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uint8 vote;
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address delegate;
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}
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struct Proposal {
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uint voteCount;
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}
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address chairperson;
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mapping(address => Voter) voters;
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Proposal[] proposals;
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// Create a new ballot with $(_numProposals) different proposals.
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function Ballot(uint8 _numProposals) {
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chairperson = msg.sender;
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voters[chairperson].weight = 1;
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proposals.length = _numProposals;
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}
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// Give $(voter) the right to vote on this ballot.
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// May only be called by $(chairperson).
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function giveRightToVote(address voter) {
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if (msg.sender != chairperson || voters[voter].voted) return;
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voters[voter].weight = 1;
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}
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// Delegate your vote to the voter $(to).
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function delegate(address to) {
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Voter sender = voters[msg.sender]; // assigns reference
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if (sender.voted) return;
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while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
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to = voters[to].delegate;
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if (to == msg.sender) return;
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sender.voted = true;
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sender.delegate = to;
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Voter delegate = voters[to];
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if (delegate.voted)
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proposals[delegate.vote].voteCount += sender.weight;
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else
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delegate.weight += sender.weight;
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}
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// Give a single vote to proposal $(proposal).
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function vote(uint8 proposal) {
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Voter sender = voters[msg.sender];
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if (sender.voted || proposal >= proposals.length) return;
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sender.voted = true;
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sender.vote = proposal;
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proposals[proposal].voteCount += sender.weight;
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}
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function winningProposal() constant returns (uint8 winningProposal) {
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uint256 winningVoteCount = 0;
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for (uint8 proposal = 0; proposal < proposals.length; proposal++) {
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if (proposals[proposal].voteCount > winningVoteCount) {
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winningVoteCount = proposals[proposal].voteCount;
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winningProposal = proposal;
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}
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++proposal;
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}
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}
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}
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*/});
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