public void MultiVote(Address from, string subject, PollVote[] choices)
{
Runtime.Expect(_pollMap.ContainsKey <string>(subject), "invalid poll subject");
Runtime.Expect(choices.Length > 0, "invalid number of choices");
var poll = FetchPoll(subject);
Runtime.Expect(poll.state == PollState.Active, "poll not active");
switch (poll.kind)
{
case ConsensusKind.Validators:
Runtime.Expect(Runtime.Nexus.IsKnownValidator(from), "must be primary or secondary validator");
var primaryValidators = Runtime.Nexus.GetPrimaryValidatorCount();
Runtime.Expect(primaryValidators >= 2, "not enough primary validators");
break;
case ConsensusKind.Masters:
Runtime.Expect(Runtime.Nexus.IsStakeMaster(from), "must be stake master");
var masters = Runtime.CallContext(Nexus.StakeContractName, nameof(StakeContract.GetMasterCount), from).AsNumber();
break;
}
Runtime.Expect(choices.Length <= poll.choicesPerUser, "too many choices");
Runtime.Expect(IsWitness(from), "invalid witness");
var presences = _presences.Get <Address, StorageList>(from);
var count = presences.Count();
int index = -1;
BigInteger round = 0;
for (int i = 0; i < count; i++)
{
var presence = presences.Get <PollPresence>(i);
if (presence.subject == subject)
{
index = -1;
round = presence.round;
break;
}
}
if (index >= 0)
{
Runtime.Expect(round < poll.round, "already voted");
}
BigInteger votingPower;
if (poll.kind == ConsensusKind.Community)
{
votingPower = Runtime.CallContext(Nexus.StakeContractName, nameof(StakeContract.GetAddressVotingPower), from).AsNumber();
}
else
{
votingPower = 100;
}
Runtime.Expect(votingPower > 0, "not enough voting power");
for (int i = 0; i < choices.Length; i++)
{
var votes = (votingPower * choices[i].percentage) / 100;
Runtime.Expect(votes > 0, "choice percentage is too low");
var targetIndex = (int)choices[i].index;
poll.entries[targetIndex].votes += votes;
}
poll.totalVotes += 1;
_pollMap.Set <string, ConsensusPoll>(subject, poll);
// finally add this voting round to the presences list
var temp = new PollPresence()
{
subject = subject,
round = poll.round,
};
if (index >= 0)
{
presences.Replace <PollPresence>(index, temp);
}
else
{
presences.Add(temp);
}
Runtime.Notify(EventKind.PollVote, from, subject);
}
public void MultiVote(Address from, string subject, PollVote[] choices)
{
Runtime.Expect(_pollMap.ContainsKey <string>(subject), "invalid subject");
Runtime.Expect(choices.Length > 0, "invalid number of choices");
var poll = FetchPoll(subject);
Runtime.Expect(poll.state == PollState.Active, "poll not active");
Runtime.Expect(choices.Length <= poll.votesPerUser, "too many choices");
Runtime.Expect(IsWitness(from), "invalid witness");
var presences = _presences.Get <Address, StorageList>(from);
var count = presences.Count();
int index = -1;
BigInteger round = 0;
for (int i = 0; i < count; i++)
{
var presence = presences.Get <PollPresence>(i);
if (presence.subject == subject)
{
index = -1;
round = presence.round;
break;
}
}
if (index >= 0)
{
Runtime.Expect(round < poll.round, "already voted");
}
BigInteger votingPower;
if (poll.kind == ConsensusKind.Validators)
{
votingPower = 100;
}
else
{
votingPower = (BigInteger)Runtime.CallContext("energy", "GetAddressVotingPower", from);
}
Runtime.Expect(votingPower > 0, "not enough voting power");
for (int i = 0; i < choices.Length; i++)
{
var votes = (votingPower * choices[i].percentage) / 100;
Runtime.Expect(votes > 0, "choice percentage is too low");
var targetIndex = (int)choices[i].index;
poll.entries[targetIndex].votes += votes;
}
poll.totalVotes += 1;
_pollMap.Set <string, ConsensusPoll>(subject, poll);
// finally add this voting round to the presences list
var temp = new PollPresence()
{
subject = subject,
round = poll.round,
};
if (index >= 0)
{
presences.Replace <PollPresence>(index, temp);
}
else
{
presences.Add(temp);
}
Runtime.Notify(EventKind.PollVote, from, subject);
}
