protected Task ValidateProposal(RawProposalContent proposal, RawBlock rawBlock)
{
if (!Cache.Accounts.DelegateExists(proposal.Source))
{
throw new ValidationException("invalid proposal sender");
}
if (proposal.Period != rawBlock.Metadata.LevelInfo.VotingPeriod)
{
throw new ValidationException("invalid proposal voting period");
}
return(Task.CompletedTask);
}
public async Task Init(Block block, RawOperation op, RawProposalContent content)
{
var period = (ProposalPeriod)await Cache.Periods.CurrentAsync();
var sender = Cache.Accounts.GetDelegate(content.Source);
var rolls = (await Db.VotingSnapshots.FirstAsync(x => x.PeriodId == period.Id && x.DelegateId == sender.Id)).Rolls;
ProposalOperations = new List <ProposalOperation>(4);
foreach (var proposalHash in content.Proposals)
{
var proposal = await Cache.Proposals.GetOrCreateAsync(proposalHash, () => new Proposal
{
Hash = proposalHash,
Initiator = sender,
ProposalPeriod = period,
Status = ProposalStatus.Active
});
var duplicated = ProposalOperations.Any(x => x.Period.Id == period.Id && x.Sender.Id == sender.Id && x.Proposal.Hash == proposal.Hash);
if (!duplicated)
{
duplicated = block.Proposals?.Any(x => x.Period.Id == period.Id && x.Sender.Id == sender.Id && x.Proposal.Hash == proposal.Hash) ?? false;
}
if (!duplicated)
{
duplicated = await Db.ProposalOps.AnyAsync(x => x.PeriodId == period.Id && x.SenderId == sender.Id && x.ProposalId == proposal.Id);
}
ProposalOperations.Add(new ProposalOperation
{
Id = Cache.AppState.NextOperationId(),
Block = block,
Level = block.Level,
Timestamp = block.Timestamp,
OpHash = op.Hash,
Sender = sender,
Rolls = rolls,
Duplicated = duplicated,
Period = period,
Proposal = proposal
});
}
}
public static async Task <ProposalsCommit> Apply(ProtocolHandler proto, Block block, RawOperation op, RawProposalContent content)
{
var commit = new ProposalsCommit(proto);
await commit.Init(block, op, content);
await commit.Apply();
return(commit);
}