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Add check for whether voter has right to vote

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Berk Erol 2018-10-26 09:53:57 +03:00 committed by GitHub
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docs/solidity-by-example.rst
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@ -152,6 +152,7 @@ of votes.
/// to proposal `proposals[proposal].name`. /// to proposal `proposals[proposal].name`.
function vote(uint proposal) public { function vote(uint proposal) public {
Voter storage sender = voters[msg.sender]; Voter storage sender = voters[msg.sender];
require(sender.weight != 0, "Has no right to vote");
require(!sender.voted, "Already voted."); require(!sender.voted, "Already voted.");
sender.voted = true; sender.voted = true;
sender.vote = proposal; sender.vote = proposal;