public override Task ProcessAsync(Block block, Dictionary <TransactionResult, List <LogEvent> > logEventsMap)
{
foreach (var events in logEventsMap)
{
var transactionResult = events.Key;
foreach (var logEvent in events.Value)
{
// a new task for time-consuming code check job
Task.Run(async() =>
{
var eventData = new CodeCheckRequired();
eventData.MergeFrom(logEvent);
var codeCheckResult = await _codeCheckService.PerformCodeCheckAsync(
eventData.Code.ToByteArray(),
transactionResult.BlockHash, transactionResult.BlockNumber, eventData.Category, eventData.IsSystemContract);
if (!codeCheckResult)
{
return;
}
var proposalId = ProposalCreated.Parser
.ParseFrom(transactionResult.Logs.First(l => l.Name == nameof(ProposalCreated)).NonIndexed)
.ProposalId;
// Cache proposal id to generate system approval transaction later
_proposalService.AddNotApprovedProposal(proposalId, transactionResult.BlockNumber);
});
}
}
return(Task.CompletedTask);
}
public Task HandleAsync(Block block, TransactionResult transactionResult, LogEvent logEvent)
{
// a new task for time-consuming code check job
Task.Run(async() =>
{
var eventData = new CodeCheckRequired();
eventData.MergeFrom(logEvent);
var codeCheckResult = await _codeCheckService.PerformCodeCheckAsync(eventData.Code.ToByteArray(),
transactionResult.BlockHash, transactionResult.BlockNumber);
if (!codeCheckResult)
{
return;
}
var proposalId = ProposalCreated.Parser
.ParseFrom(transactionResult.Logs.First(l => l.Name == nameof(ProposalCreated)).NonIndexed)
.ProposalId;
// Cache proposal id to generate system approval transaction later
_proposalService.AddNotApprovedProposal(proposalId, transactionResult.BlockNumber);
});
return(Task.CompletedTask);
}
public Task PerformCodeCheckAsync(TransactionResult transactionResult, LogEvent logEvent)
{
if (!_isEnabled)
{
return(Task.CompletedTask);
}
Logger.LogTrace("Start code check.");
var eventData = new CodeCheckRequired();
eventData.MergeFrom(logEvent);
try
{
// Check contract code
_contractAuditor.Audit(eventData.Code.ToByteArray(), true);
// Approve proposal related to CodeCheckRequired event
var proposalId = ProposalCreated.Parser
.ParseFrom(transactionResult.Logs.First(l => l.Name == nameof(ProposalCreated)).NonIndexed)
.ProposalId;
// Cache proposal id to generate system approval transaction later
_proposalService.AddNotApprovedProposal(proposalId, transactionResult.BlockNumber);
}
catch (InvalidCodeException e)
{
// May do something else to indicate that the contract has an issue
Logger.LogWarning(e.Message);
}
Logger.LogTrace("Finish code check.");
return(Task.CompletedTask);
}
