public async Task <Fees> GetFeesAsync()
{
var latest = await _horizonService.GetLatestLedger();
var fees = new Fees
{
BaseFee = latest.BaseFee,
BaseReserve = Convert.ToDecimal(latest.BaseReserve)
};
return(fees);
}
private async Task <bool> ProcessDwToHwTransaction(Guid operationId, stellar_dotnet_sdk.xdr.Transaction tx)
{
var fromKeyPair = KeyPair.FromPublicKey(tx.SourceAccount.Ed25519.InnerValue);
if (!_balanceService.IsDepositBaseAddress(fromKeyPair.Address) || tx.Operations.Length != 1 ||
tx.Operations[0].Body.PaymentOp == null || string.IsNullOrWhiteSpace(tx.Memo.Text))
{
return(false);
}
var toKeyPair = KeyPair.FromPublicKey(tx.Operations[0].Body.PaymentOp.Destination.Ed25519.InnerValue);
if (!_balanceService.IsDepositBaseAddress(toKeyPair.Address))
{
return(false);
}
var fromAddress = $"{fromKeyPair.Address}{Constants.PublicAddressExtension.Separator}{tx.Memo.Text}";
var amount = tx.Operations[0].Body.PaymentOp.Amount.InnerValue;
// Use our guid-ed OperationId as transaction hash, as it uniquely identifies the transaction,
// just without dashes to look more hash-y.
var hash = operationId.ToString("N");
// While we have only single action within DW->HW transaction,
// we can use any value to identify action within transaction.
// Use hashed operation ID to add more diversity.
var opId = operationId.ToString("N").CalculateHash64();
var ledger = await _horizonService.GetLatestLedger();
var updateLedger = (ledger.Sequence * 10) + 1;
var broadcast = new TxBroadcast
{
OperationId = operationId,
Amount = amount,
Fee = 0,
Hash = hash,
// ReSharper disable once ArrangeRedundantParentheses
Ledger = updateLedger,
CreatedAt = DateTime.UtcNow
};
var assetId = _blockchainAssetsService.GetNativeAsset().Id;
var balance = await _balanceRepository.GetAsync(assetId, fromAddress);
if (balance.Balance < amount)
{
broadcast.State = TxBroadcastState.Failed;
broadcast.Error = "Not enough balance!";
broadcast.ErrorCode = TxExecutionError.NotEnoughBalance;
}
else
{
await _balanceRepository.RecordOperationAsync(assetId, fromAddress, updateLedger, opId, hash, (-1) *amount);
await _balanceRepository.RefreshBalance(assetId, fromAddress);
broadcast.State = TxBroadcastState.Completed;
}
_chaos.Meow(nameof(ProcessDwToHwTransaction));
// update state
await _broadcastRepository.InsertOrReplaceAsync(broadcast);
return(true);
}
