public bool Set(string key, object value)
{
bool result = false;
using (X42DbContext dbContext = new X42DbContext(databaseSettings.ConnectionString))
{
var item = dbContext.DictionaryItems.Where(d => d.Key == key).FirstOrDefault();
if (item == null)
{
var newDictionaryItem = new DictionaryData()
{
Key = key,
Value = ConvertType <string>(value)
};
var addedItem = dbContext.Add(newDictionaryItem);
if (addedItem.State == EntityState.Added)
{
dbContext.SaveChanges();
result = true;
}
}
else
{
item.Value = ConvertType <string>(value);
dbContext.SaveChanges();
result = true;
}
}
return(result);
}
public async Task <PriceLockResult> CreatePriceLock(CreatePriceLockRequest priceLockRequest, string validPriceLockId = "")
{
var result = new PriceLockResult();
var fiatPair = FiatPairs.Where(f => (int)f.Currency == priceLockRequest.RequestAmountPair).FirstOrDefault();
if (fiatPair != null)
{
var averagePrice = fiatPair.GetPrice();
if (averagePrice != -1)
{
var price = Math.Round(priceLockRequest.RequestAmount / averagePrice, 8).Normalize();
var fee = Math.Round(price * priceLockFeePercent / 100, 8).Normalize();
var feeAddress = networkFeatures.GetMyFeeAddress();
var signAddress = networkFeatures.GetMySignAddress();
if (price < 42000000)
{
var expirationBlock = Convert.ToInt32(networkFeatures.BestBlockHeight + Convert.ToInt32(priceLockRequest.ExpireBlock));
if (!string.IsNullOrEmpty(validPriceLockId))
{
expirationBlock = Convert.ToInt32(priceLockRequest.ExpireBlock);
}
using (X42DbContext dbContext = new X42DbContext(databaseSettings.ConnectionString))
{
var newPriceLock = new PriceLockData()
{
DestinationAddress = priceLockRequest.DestinationAddress,
DestinationAmount = price,
FeeAmount = fee,
SignAddress = signAddress,
FeeAddress = feeAddress,
ExpireBlock = expirationBlock,
RequestAmount = priceLockRequest.RequestAmount,
RequestAmountPair = priceLockRequest.RequestAmountPair,
Status = (int)Status.New
};
if (!string.IsNullOrEmpty(validPriceLockId))
{
newPriceLock.PriceLockId = new Guid(validPriceLockId);
}
var newPriceLockRecord = dbContext.Add(newPriceLock);
if (newPriceLockRecord.State == EntityState.Added)
{
string signature = await networkFeatures.SignPriceLock($"{newPriceLock.PriceLockId}{newPriceLock.DestinationAddress}{newPriceLock.DestinationAmount}{newPriceLock.FeeAddress}{newPriceLock.FeeAmount}");
if (!string.IsNullOrEmpty(signature))
{
newPriceLock.PriceLockSignature = signature;
dbContext.SaveChanges();
result.DestinationAddress = newPriceLock.DestinationAddress;
result.DestinationAmount = newPriceLock.DestinationAmount;
result.FeeAddress = newPriceLock.FeeAddress;
result.SignAddress = newPriceLock.SignAddress;
result.FeeAmount = newPriceLock.FeeAmount;
result.RequestAmount = newPriceLock.RequestAmount;
result.RequestAmountPair = newPriceLock.RequestAmountPair;
result.PriceLockId = newPriceLock.PriceLockId.ToString();
result.PriceLockSignature = newPriceLock.PriceLockSignature;
result.ExpireBlock = newPriceLock.ExpireBlock;
result.Status = (int)Status.New;
result.Success = true;
List <ServerNodeData> tier3Nodes = dbContext.ServerNodes.Where(s => s.Active && s.Tier == (int)TierLevel.Three).ToList();
await networkFeatures.RelayPriceLock(newPriceLock, tier3Nodes, networkCancellationTokenSource.Token);
}
else
{
result.ResultMessage = "Problem with node, Failed to sign price lock.";
result.Success = false;
}
}
}
}
else
{
result.ResultMessage = "Price not valid, max cap exceeded.";
result.Success = false;
}
}
else
{
result.ResultMessage = "Node could not create price lock because insufficient price data.";
result.Success = false;
}
}
else
{
result.ResultMessage = "The supplied pair does not exist.";
result.Success = false;
}
return(result);
}
