public async Task Init(Block block, RawOperation op, RawBallotContent content)
{
var period = await Cache.Periods.CurrentAsync();
var proposal = await Cache.Proposals.GetAsync((period as ExplorationPeriod)?.ProposalId ?? (period as PromotionPeriod).ProposalId);
var sender = Cache.Accounts.GetDelegate(content.Source);
var rolls = 0;
if (block.Events.HasFlag(BlockEvents.VotingPeriodBegin))
rolls = (int)(sender.StakingBalance / block.Protocol.TokensPerRoll);
else
rolls = (await Db.VotingSnapshots.FirstAsync(x => x.PeriodId == period.Id && x.DelegateId == sender.Id)).Rolls;
Ballot = new BallotOperation
{
Id = Cache.AppState.NextOperationId(),
Block = block,
Level = block.Level,
Timestamp = block.Timestamp,
OpHash = op.Hash,
Sender = sender,
Rolls = rolls,
Period = period,
Proposal = proposal,
Vote = content.Ballot switch
{
"yay" => Vote.Yay,
"nay" => Vote.Nay,
"pass" => Vote.Pass,
_ => throw new Exception("invalid ballot value")
}
};
}
public async Task Init(Block block, BallotOperation ballot)
{
Ballot = ballot;
Ballot.Block ??= block;
Ballot.Sender ??= Cache.Accounts.GetDelegate(ballot.SenderId);
Ballot.Period ??= await Cache.Periods.CurrentAsync();
Ballot.Proposal ??= await Cache.Proposals.GetAsync(ballot.ProposalId);
}
public virtual async Task Revert(Block block, BallotOperation ballot)
{
#region init
ballot.Block ??= block;
ballot.Sender ??= Cache.Accounts.GetDelegate(ballot.SenderId);
ballot.Proposal ??= await Cache.Proposals.GetAsync(ballot.ProposalId);
var snapshot = await Db.VotingSnapshots
.FirstAsync(x => x.Period == ballot.Period && x.BakerId == ballot.Sender.Id);
var period = await Cache.Periods.GetAsync(ballot.Period);
#endregion
#region entities
var sender = ballot.Sender;
//Db.TryAttach(block);
Db.TryAttach(sender);
Db.TryAttach(period);
//Db.TryAttach(snapshot);
#endregion
#region revert operation
if (ballot.Vote == Vote.Yay)
{
period.YayBallots--;
period.YayRolls -= ballot.Rolls;
snapshot.Status = VoterStatus.None;
}
else if (ballot.Vote == Vote.Nay)
{
period.NayBallots--;
period.NayRolls -= ballot.Rolls;
snapshot.Status = VoterStatus.None;
}
else
{
period.PassBallots--;
period.PassRolls -= ballot.Rolls;
snapshot.Status = VoterStatus.None;
}
sender.BallotsCount--;
#endregion
Db.BallotOps.Remove(ballot);
}
public static async Task <BallotsCommit> Revert(ProtocolHandler proto, Block block, BallotOperation op)
{
var commit = new BallotsCommit(proto);
await commit.Init(block, op);
await commit.Revert();
return(commit);
}
