public bool CastVoteForPhysician(ParticipantHandler participantHandler, Guid physicianAddress, Guid senderAddress)
{
//If the physician has already been confirmed, do nothing
if (participantHandler.HasPhysician(physicianAddress))
{
return(true);
}
if (!(participantHandler.proposedPhysicians.Where(p => p.Address == physicianAddress).Count() > 0))
{
return(false);
}
//If the physician is still proposed
//Add Vote to list of votes (if not already present from the current sender)
var votesFromSender = from v in participantHandler.pendingVotes
where v.VoteFor == physicianAddress && v.VoteFrom == senderAddress
select v;
if (votesFromSender.Count() > 0)
{
var hit = votesFromSender.FirstOrDefault();
hit.Confirmed = true;
}
else
{
participantHandler.pendingVotes.Add(new Vote()
{
VoteFor = physicianAddress
,
VoteFrom = senderAddress
,
Confirmed = true
});
}
//Count list of valid votes for physician => Valid votes must be at least 3 in total (or equal to number of confirmed publishers)
//If publisher is confirmed: Transfer to confirmed publishers, remove all votes from list
var votesForPhysician = from v in participantHandler.pendingVotes
where v.VoteFor == physicianAddress && v.Confirmed
select v;
if (votesForPhysician.Count() > 3 || votesForPhysician.Count() == participantHandler.confirmedPublishers.Count())
{
var tranfer = participantHandler.proposedPhysicians.Where(p => p.Address == physicianAddress);
participantHandler.confirmedPhysicians.AddRange(tranfer);
participantHandler.proposedPhysicians.RemoveAll(p => p.Address == physicianAddress);
participantHandler.pendingVotes.RemoveAll(v => v.VoteFor == physicianAddress);
}
return(true);
}
public bool CastVoteAgainstPhysician(ParticipantHandler participantHandler, Guid physicianAddress, Guid senderAddress)
{
//If the publisher is not confirmed, do nothing
if (!participantHandler.HasPhysician(physicianAddress))
{
return(false);
}
//Add Vote to list of votes (if not already present from the current sender)
var votesFromSender = from v in participantHandler.pendingVotes
where v.VoteFor == physicianAddress && v.VoteFrom == senderAddress
select v;
if (votesFromSender.Count() > 0)
{
var hit = votesFromSender.FirstOrDefault();
hit.Confirmed = false;
}
else
{
participantHandler.pendingVotes.Add(new Vote()
{
VoteFor = physicianAddress
,
VoteFrom = senderAddress
,
Confirmed = false
});
}
//Count list of valid votes against publisher => Valid votes must be more than half of currently confirmed publishers
//If publisher is dismissed: Delete from List
var votesAgainstPhysician = from v in participantHandler.pendingVotes
where v.VoteFor == physicianAddress && !v.Confirmed
select v;
if (votesAgainstPhysician.Count() > Math.Floor(participantHandler.confirmedPublishers.Count() / 2.0))
{
participantHandler.confirmedPhysicians.RemoveAll(p => p.Address == physicianAddress);
participantHandler.pendingVotes.RemoveAll(v => v.VoteFor == physicianAddress);
}
return(true);
}
public override bool ValidateContextual(ParticipantHandler participantHandler, List <Chain> chains)
{
return(SenderAddress == TransactionId &&
ValidateTransactionIntegrity(PublicKey) &&
!participantHandler.HasPhysician(TransactionId));
}