public async Task given_valid_consumer_address_delivery_receipt_should_be_processed()
{
_signer.RecoverPublicKey(Arg.Any <Signature>(), Arg.Any <Keccak>()).ReturnsForAnyArgs(_publicKey);
_peer.ConsumerAddress.Returns(_publicKey.Address);
var currentReceiptRequestUnitsRange = new UnitsRange(0, 9);
var receiptRequest = new DataDeliveryReceiptRequest(1, Keccak.Zero, currentReceiptRequestUnitsRange);
var deliveryReceipt = new DataDeliveryReceipt(StatusCodes.Ok, 0, 0, new Signature(new byte[65]));
var wasProcessed = await _processor.TryProcessAsync(_session, _publicKey.Address, _peer, receiptRequest,
deliveryReceipt);
wasProcessed.Should().BeTrue();
_session.DataAvailability.Should().NotBe(DataAvailability.DataDeliveryReceiptInvalid);
}
private void ConfigureMocks(TestConsumer consumer)
{
var depositId = consumer.DepositId;
_consumerRepository.GetAsync(depositId).Returns(consumer.Consumer);
_paymentClaimRepository.BrowseAsync(Arg.Any <GetPaymentClaims>())
.Returns(PagedResult <PaymentClaim> .Empty);
_sessionRepository.BrowseAsync(new GetProviderSessions
{
DepositId = depositId
})
.Returns(PagedResult <ProviderSession> .Create(new List <ProviderSession>(consumer.Sessions), 1, 1, 1, 1));
_receiptsPolicies.CanRequestReceipts(Arg.Any <long>(), Arg.Any <UInt256>()).Returns(true);
_sessionManager.GetConsumerNodes(depositId).Returns(consumer.Nodes.Select(n => n.Node).ToArray());
_receiptProcessor.TryProcessAsync(Arg.Any <ProviderSession>(), _consumer, Arg.Any <INdmProviderPeer>(),
Arg.Any <DataDeliveryReceiptRequest>(), Arg.Any <DataDeliveryReceipt>()).Returns(true);
}
private async Task <(DataDeliveryReceipt, RequestReceiptStatus)> TryHandleDeliveryReceipt(IDepositNodesHandler deposit,
Address consumer, ProviderSession session, DataDeliveryReceiptRequest request, INdmProviderPeer peer,
bool isRetry = false)
{
while (true)
{
Keccak depositId = session.DepositId;
DataDeliveryReceipt receipt = await peer.SendRequestDataDeliveryReceiptAsync(request, CancellationToken.None);
if (_logger.IsInfo)
{
_logger.Info($"Received a delivery receipt for deposit: '{depositId}' from node: '{peer.NodeId}', status code: '{receipt.StatusCode}'.");
}
if (isRetry && receipt.StatusCode != StatusCodes.Ok)
{
if (_logger.IsWarn)
{
_logger.Warn($"Request receipt retry failed for: '{depositId}' from node: '{peer.NodeId}', status code: '{receipt.StatusCode}'.");
}
return(receipt, RequestReceiptStatus.Invalid);
}
switch (receipt.StatusCode)
{
case StatusCodes.Ok:
if (await _receiptProcessor.TryProcessAsync(session, consumer, peer, request, receipt))
{
return(receipt, RequestReceiptStatus.Ok);
}
return(receipt, RequestReceiptStatus.Invalid);
case StatusCodes.InvalidReceiptRequestRange:
{
if (_logger.IsInfo)
{
_logger.Info($"Consumer for deposit: '{depositId}' from node: '{peer.NodeId}' claims {receipt.ConsumedUnits} consumed and {receipt.UnpaidUnits} unpaid units.");
}
UnitsRange range = request.UnitsRange;
uint requestedUnits = range.To - range.From + 1;
if (requestedUnits <= receipt.UnpaidUnits)
{
if (_logger.IsWarn)
{
_logger.Warn($"Consumer for deposit: '{depositId}' from node: '{peer.NodeId}' claimed an invalid range (while it was actually valid).");
}
break;
}
uint graceUnits = requestedUnits - receipt.UnpaidUnits;
uint totalGraceUnits = graceUnits + deposit.GraceUnits;
bool hasReachedThreshold = await _receiptsPolicies.CanClaimPayment(totalGraceUnits, deposit.UnitPrice);
if (hasReachedThreshold)
{
peer.SendGraceUnitsExceeded(depositId, deposit.ConsumedUnits, totalGraceUnits);
if (_logger.IsWarn)
{
_logger.Warn($"Consumer for deposit: '{depositId}' from node: '{peer.NodeId}' claimed too many unpaid units, grace units exceeded ({totalGraceUnits}).");
}
return(receipt, RequestReceiptStatus.GraceUnitsExceeded);
}
if (_logger.IsInfo)
{
_logger.Info($"Unpaid units difference is: {graceUnits} ({requestedUnits} - {receipt.UnpaidUnits}). Lowering units amount for deposit: '{depositId}'.");
}
deposit.SubtractUnpaidUnits(graceUnits);
deposit.SubtractUnmergedUnits(graceUnits);
deposit.SubtractUnclaimedUnits(graceUnits);
deposit.AddGraceUnits(graceUnits);
session.SubtractUnpaidUnits(graceUnits);
session.AddGraceUnits(graceUnits);
if (range.To < graceUnits)
{
peer.SendGraceUnitsExceeded(depositId, deposit.ConsumedUnits, totalGraceUnits);
if (_logger.IsWarn)
{
_logger.Warn($"Cannot request a receipt for deposit: '{depositId}' - grace units amount is greater than the receipt range ({graceUnits} > {range.To}).");
}
return(receipt, RequestReceiptStatus.GraceUnitsExceeded);
}
uint updatedRangeTo = range.To - graceUnits;
if (range.From > updatedRangeTo)
{
if (_logger.IsWarn)
{
_logger.Warn($"Invalid updated range [{range.From}, {updatedRangeTo}] for: '{depositId}' - receipt request will not be send.");
}
return(receipt, RequestReceiptStatus.Invalid);
}
if (_logger.IsInfo)
{
_logger.Info($"Grace units for deposit: '{depositId}' is: {deposit.GraceUnits} (added {graceUnits}).");
}
UnitsRange updatedRange = new UnitsRange(range.From, updatedRangeTo);
if (_logger.IsInfo)
{
_logger.Info($"Updated range for deposit: '{depositId}' [{updatedRange.From}, {updatedRange.To}]. Requesting receipt once again.");
}
request = request.WithRange(updatedRange, deposit.GetNextReceiptRequestNumber());
isRetry = true;
continue;
}
case StatusCodes.InvalidReceiptAddress:
{
break;
}
case StatusCodes.Error:
{
break;
}
}
return(receipt, RequestReceiptStatus.Invalid);
}
}