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102 lines
3.0 KiB
102 lines
3.0 KiB
8 years ago
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pragma solidity ^0.4.0;
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contract InfoFeed {
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function info() payable returns (uint ret);
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function call1(uint a) payable returns (bool);
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}
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contract Ballot {
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InfoFeed feed;
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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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function send1(address a) {
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giveRightToVote(a,a);
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}
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/// Create a new ballot with $(_numProposals) different proposals.
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function Ballot(uint8 _numProposals) {
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address d;
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if(!d.delegatecall.gas(800)('function_name', 'arg1', 'arg2')) throw;
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if(!d.callcode.gas(800)('function_name', 'arg1', 'arg2')) throw;
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if(!d.call.value(10).gas(800)('function_name', 'arg1', 'arg2')) throw;
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if(!d.call.value(10).gas(800)('function_name', 'arg1', 'arg2')) throw;
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if(!msg.sender.send(1 wei)) throw;
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if(!d.call('function_name', 'arg1', 'arg2')) throw;
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uint a = now;
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uint c = block.timestamp;
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if(block.timestamp < 100){}
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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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if(!d.send(1 wei)) throw;
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feed.info.value(10).gas(800)();
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feed.call1(1);
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this.send1(d);
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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, address b) payable returns (bool){
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if (msg.sender != chairperson || voters[voter].voted) return;
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voters[voter].weight = 1;
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return true;
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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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}
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}
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