public async Task <CommandHandlingResult> Handle(EnrollToMatchingEngineCommand command, IEventPublisher publisher)
{
// First level deduplication just to reduce traffic to the ME
if (await _deduplicationRepository.IsExistsAsync(command.CashinOperationId))
{
_log.Info("Deduplicated at first level", command);
// Workflow should be continued
publisher.PublishEvent(new CashinEnrolledToMatchingEngineEvent
{
CashoutOperationId = command.CashoutOperationId
});
return(CommandHandlingResult.Ok());
}
var cashInResult = await _meClient.CashInOutAsync(
command.CashinOperationId.ToString(),
command.RecipientClientId.ToString(),
command.AssetId,
(double)command.Amount);
_chaosKitty.Meow(command.CashoutOperationId);
if (cashInResult == null)
{
throw new InvalidOperationException("ME response is null, don't know what to do");
}
switch (cashInResult.Status)
{
case MeStatusCodes.Ok:
case MeStatusCodes.Duplicate:
if (cashInResult.Status == MeStatusCodes.Duplicate)
{
_log.Info("Deduplicated by the ME", command);
}
publisher.PublishEvent(new CashinEnrolledToMatchingEngineEvent
{
CashoutOperationId = command.CashoutOperationId
});
_chaosKitty.Meow(command.CashinOperationId);
await _deduplicationRepository.InsertOrReplaceAsync(command.CashinOperationId);
_chaosKitty.Meow(command.CashinOperationId);
return(CommandHandlingResult.Ok());
case MeStatusCodes.Runtime:
// Retry forever with the default delay + log the error outside.
throw new Exception($"Cashin into the ME is failed. ME status: {cashInResult.Status}, ME message: {cashInResult.Message}");
default:
// Just abort cashout for further manual processing. ME call could not be retried anyway if responce was received.
_log.Warning(
$"Unexpected response from ME. Status: {cashInResult.Status}, ME message: {cashInResult.Message}",
context: command);
return(CommandHandlingResult.Ok());
}
}
public async Task <CommandHandlingResult> Handle(EnrollToMatchingEngineCommand command, IEventPublisher publisher)
{
var clientId = command.ClientId;
var amountDecimal = (decimal)command.MatchingEngineOperationAmount;
var scale = amountDecimal.GetScale();
var amount = command.MatchingEngineOperationAmount.TruncateDecimalPlaces(scale);
if (clientId == null)
{
clientId = await _walletsClient.TryGetClientIdAsync(
command.BlockchainType,
command.DepositWalletAddress);
}
if (clientId == null)
{
throw new InvalidOperationException("Client ID for the blockchain deposit wallet address is not found");
}
// First level deduplication just to reduce traffic to the ME
if (await _deduplicationRepository.IsExistsAsync(command.OperationId))
{
_log.Info(nameof(EnrollToMatchingEngineCommand), "Deduplicated at first level", command.OperationId);
// Workflow should be continued
publisher.PublishEvent(new CashinEnrolledToMatchingEngineEvent
{
ClientId = clientId.Value,
OperationId = command.OperationId
});
return(CommandHandlingResult.Ok());
}
var cashInResult = await _meClient.CashInOutAsync
(
id : command.OperationId.ToString(),
clientId : clientId.Value.ToString(),
assetId : command.AssetId,
amount : amount
);
_chaosKitty.Meow(command.OperationId);
if (cashInResult == null)
{
throw new InvalidOperationException("ME response is null, don't know what to do");
}
switch (cashInResult.Status)
{
case MeStatusCodes.Ok:
case MeStatusCodes.Duplicate:
if (cashInResult.Status == MeStatusCodes.Duplicate)
{
_log.Info(nameof(EnrollToMatchingEngineCommand), "Deduplicated by the ME", command.OperationId);
}
publisher.PublishEvent(new CashinEnrolledToMatchingEngineEvent
{
ClientId = clientId.Value,
OperationId = command.OperationId
});
_chaosKitty.Meow(command.OperationId);
await _deduplicationRepository.InsertOrReplaceAsync(command.OperationId);
_chaosKitty.Meow(command.OperationId);
return(CommandHandlingResult.Ok());
case MeStatusCodes.Runtime:
// Retry forever with the default delay + log the error outside.
throw new Exception($"Cashin into the ME is failed. ME status: {cashInResult.Status}, ME message: {cashInResult.Message}");
default:
// Just abort cashin for futher manual processing. ME call could not be retried anyway if responce was received.
_log.Error(nameof(EnrollToMatchingEngineCommand), null, $"Unexpected response from ME. Status: {cashInResult.Status}, ME message: {cashInResult.Message}", context: command.OperationId);
return(CommandHandlingResult.Ok());
}
}