public async Task <IOffchainRequest> CreateRequestAndLock(string transferId, string clientId, string assetId,
RequestType type, OffchainTransferType transferType, DateTime?lockDate)
{
var existingRequest = (await GetRequestsForClient(clientId)).FirstOrDefault(x => x.AssetId == assetId &&
x.TransferType == transferType &&
x.StartProcessing == null);
if (existingRequest == null)
{
return(await CreateRequest(transferId, clientId, assetId, type, transferType, lockDate));
}
var replaced = await _table.MergeAsync(OffchainRequestEntity.ByRecord.Partition, existingRequest.RequestId, entity =>
{
if (entity.StartProcessing != null)
{
return(null);
}
entity.ServerLock = lockDate;
return(entity);
});
if (replaced == null)
{
return(await CreateRequest(transferId, clientId, assetId, type, transferType, lockDate));
}
return(replaced);
}
private async Task AddRequest(string client, string asset, decimal amount,
OffchainTransferType type = OffchainTransferType.FromHub, string order = null)
{
var guid = Guid.NewGuid().ToString();
var transfer = await _offchainTransferRepository.CreateTransfer(guid, client, asset, amount, type, null, order);
await _offchainRequestRepository.CreateRequest(transfer.Id, client, asset, RequestType.RequestTransfer, type);
}
public async Task CreateOffchainRequestAndNotify(
string transactionId,
string clientId,
string assetId,
decimal amount,
string orderId,
OffchainTransferType type)
{
await _offchainTransferRepository.CreateTransfer(transactionId, clientId, assetId, amount, type, null, orderId);
await _offchainRequestRepository.CreateRequest(transactionId, clientId, assetId, RequestType.RequestTransfer, type, null);
}
private async Task AggregateRequests(string clientId, string asset, OffchainTransferType type)
{
var list = (await _offchainRequestRepository.GetRequestsForClient(clientId)).Where(x => x.AssetId == asset && x.TransferType == type).ToList();
var masterRequest = list.FirstOrDefault(x =>
(x.StartProcessing == null || (DateTime.UtcNow - x.StartProcessing.Value).TotalMinutes > 5) && x.ServerLock == null);
if (masterRequest == null)
{
return;
}
await _offchainRequestRepository.DeleteRequest(masterRequest.RequestId);
LogToFile(masterRequest.ToJson());
var masterTransfer = await _offchainTransferRepository.GetTransfer(masterRequest.TransferId);
int count = 0;
while (count < 50)
{
list = (await _offchainRequestRepository.GetRequestsForClient(clientId))
.Where(x => (x.StartProcessing == null || (DateTime.UtcNow - x.StartProcessing.Value).TotalMinutes > 5) && x.ServerLock == null)
.Where(x => x.AssetId == asset && x.RequestId != masterRequest.RequestId && x.TransferType == type).ToList();
if (list.Count < 1)
{
break;
}
var current = list.FirstOrDefault();
await _offchainRequestRepository.DeleteRequest(current.RequestId);
LogToFile(current.ToJson());
var currentTransfer = await _offchainTransferRepository.GetTransfer(current.TransferId);
await _offchainTransferRepository.SetTransferIsChild(currentTransfer.Id, masterTransfer.Id);
await _offchainTransferRepository.AddChildTransfer(masterTransfer.Id, currentTransfer);
count++;
}
await _offchainRequestRepository.CreateRequest(masterTransfer.Id, masterTransfer.ClientId,
masterTransfer.AssetId, masterRequest.Type, masterTransfer.Type);
}
private async Task CreateAndAggregate(string transactionId, string clientId, string assetId, decimal amount,
string orderId, OffchainTransferType type, DateTime?lockTime)
{
var newTransfer = await _offchainTransferRepository.CreateTransfer(transactionId, clientId, assetId, amount, type, null, orderId);
var request = await _offchainRequestRepository.CreateRequestAndLock(transactionId, clientId, assetId, RequestType.RequestTransfer, type, lockTime);
var oldTransferId = request.TransferId;
//aggregate transfers
if (oldTransferId != newTransfer.Id)
{
await _offchainTransferRepository.AddChildTransfer(oldTransferId, newTransfer);
await _offchainTransferRepository.SetTransferIsChild(newTransfer.Id, oldTransferId);
}
}
public async Task <IEnumerable <IOffchainTransfer> > GetTransfersByDate(OffchainTransferType type, DateTimeOffset @from, DateTimeOffset to)
{
var filter1 = TableQuery.CombineFilters(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal,
OffchainTransferEntity.ByCommon.GeneratePartitionKey()),
TableOperators.And,
TableQuery.GenerateFilterConditionForInt("Type", QueryComparisons.Equal, (int)type)
);
var filter2 = TableQuery.CombineFilters(
TableQuery.GenerateFilterConditionForDate("CreatedDt", QueryComparisons.GreaterThanOrEqual, from),
TableOperators.And,
TableQuery.GenerateFilterConditionForDate("CreatedDt", QueryComparisons.LessThanOrEqual, to)
);
var query = new TableQuery <OffchainTransferEntity>().Where(
TableQuery.CombineFilters(filter1, TableOperators.And, filter2));
return(await _storage.WhereAsync(query));
}
public static OffchainRequestEntity Create(string id, string transferId, string clientId, string assetId, RequestType type, OffchainTransferType transferType)
{
return(new OffchainRequestEntity
{
RowKey = id,
PartitionKey = GeneratePartition(clientId),
TransferId = transferId,
ClientId = clientId,
AssetId = assetId,
Type = type,
CreateDt = DateTime.UtcNow,
TransferType = transferType
});
}
public async Task <IOffchainRequest> CreateRequest(string transferId, string clientId, string assetId, RequestType type, OffchainTransferType transferType)
{
var id = Guid.NewGuid().ToString();
var byClient = OffchainRequestEntity.ByClient.Create(id, transferId, clientId, assetId, type, transferType);
await _table.InsertAsync(byClient);
var byRecord = OffchainRequestEntity.ByRecord.Create(id, transferId, clientId, assetId, type, transferType);
await _table.InsertAsync(byRecord);
return(byRecord);
}
public static OffchainTransferEntity Create(string id, string clientId, string assetId, decimal amount, OffchainTransferType type, string externalTransferId,
bool channelClosing = false, bool onchain = false)
{
return(new OffchainTransferEntity
{
PartitionKey = GeneratePartitionKey(),
RowKey = id,
AssetId = assetId,
Amount = amount,
ClientId = clientId,
CreatedDt = DateTime.UtcNow,
ExternalTransferId = externalTransferId,
Type = type,
ChannelClosing = channelClosing,
Onchain = onchain
});
}
public static OffchainRequestEntity CreateNew(string transferId, string clientId, string assetId, RequestType type, OffchainTransferType transferType, DateTime?serverLock = null)
{
return(new OffchainRequestEntity
{
TransferId = transferId,
ClientId = clientId,
AssetId = assetId,
Type = type,
CreateDt = DateTime.UtcNow,
TransferType = transferType,
ServerLock = serverLock
});
}
public static OffchainRequestEntity Create(string id, string transferId, string clientId, string assetId, RequestType type, OffchainTransferType transferType, DateTime?serverLock)
{
var item = CreateNew(transferId, clientId, assetId, type, transferType, serverLock);
item.PartitionKey = GeneratePartition(clientId);
item.RowKey = id;
return(item);
}
public async Task <IOffchainTransfer> CreateTransfer(string transactionId, string clientId, string assetId, decimal amount, OffchainTransferType type, string externalTransferId, string orderId, bool channelClosing = false)
{
var entity = OffchainTransferEntity.ByCommon.Create(transactionId, clientId, assetId, amount, type, externalTransferId, orderId, channelClosing);
await _storage.InsertAsync(entity);
return(entity);
}
public async Task CreateOffchainRequestAndUnlock(string transactionId, string clientId, string assetId, decimal amount,
string orderId, OffchainTransferType type)
{
await CreateAndAggregate(transactionId, clientId, assetId, amount, orderId, type, null);
await NotifyUser(clientId);
}
public Task CreateOffchainRequestAndLock(string transactionId, string clientId, string assetId, decimal amount, string orderId,
OffchainTransferType type)
{
return(CreateAndAggregate(transactionId, clientId, assetId, amount, orderId, type, DateTime.UtcNow));
}