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Merge pull request #3335 from nisdas/ballot-contract

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Fixes the errors in the sample ballot contract
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chriseth 2018-02-27 00:17:46 +01:00 committed by GitHub
commit 1f5eb4ba59
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1 changed files with 14 additions and 9 deletions
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23
docs/solidity-by-example.rst
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@ -94,7 +94,11 @@ of votes.
// called incorrectly. But watch out, this
// will currently also consume all provided gas
// (this is planned to change in the future).
require((msg.sender == chairperson) && !voters[voter].voted && (voters[voter].weight == 0));
require(
(msg.sender == chairperson) &&
!voters[voter].voted &&
(voters[voter].weight == 0)
);
voters[voter].weight = 1;
}
@ -126,15 +130,15 @@ of votes.
// modifies `voters[msg.sender].voted`
sender.voted = true;
sender.delegate = to;
Voter storage delegate = voters[to];
if (delegate.voted) {
Voter storage delegate_ = voters[to];
if (delegate_.voted) {
// If the delegate already voted,
// directly add to the number of votes
proposals[delegate.vote].voteCount += sender.weight;
proposals[delegate_.vote].voteCount += sender.weight;
} else {
// If the delegate did not vote yet,
// add to her weight.
delegate.weight += sender.weight;
delegate_.weight += sender.weight;
}
}
@ -155,13 +159,13 @@ of votes.
/// @dev Computes the winning proposal taking all
/// previous votes into account.
function winningProposal() public view
returns (uint winningProposal)
returns (uint winningProposal_)
{
uint winningVoteCount = 0;
for (uint p = 0; p < proposals.length; p++) {
if (proposals[p].voteCount > winningVoteCount) {
winningVoteCount = proposals[p].voteCount;
winningProposal = p;
winningProposal_ = p;
}
}
}
@ -170,12 +174,13 @@ of votes.
// of the winner contained in the proposals array and then
// returns the name of the winner
function winnerName() public view
returns (bytes32 winnerName)
returns (bytes32 winnerName_)
{
winnerName = proposals[winningProposal()].name;
winnerName_ = proposals[winningProposal()].name;
}
}
Possible Improvements
=====================