private void UpdateBalance(UInt160 account, UInt160 asset, DataCache snapshot)
{
try
{
var balance = account.GetBalanceOf(asset, snapshot).Value;
_db.UpdateBalance(account, asset, balance, snapshot.GetHeight());
}
catch
{
var backupBalance = _levelDb.GetBalance(account, asset);
if (backupBalance != null)
{
_db.UpdateBalance(account, asset, backupBalance.Balance, backupBalance.Height);
}
}
}
/// <summary>
/// send asset
/// </summary>
/// <param name="sender"></param>
/// <param name="receiver"></param>
/// <param name="amount"></param>
/// <param name="asset"></param>
/// <returns></returns>
public async Task <object> SendToAddress(UInt160 receiver, string amount, string asset = "neo", UInt160 sender = null)
{
if (CurrentWallet == null)
{
return(Error(ErrorCode.WalletNotOpen));
}
if (receiver == null)
{
return(Error(ErrorCode.ParameterIsNull, $"receiver address is null!"));
}
UInt160 assetHash = ConvertToAssetId(asset, out var convertError);
if (assetHash == null)
{
return(Error(ErrorCode.InvalidPara, $"asset is not valid:{convertError}"));
}
var assetInfo = AssetCache.GetAssetInfo(assetHash);
if (assetInfo == null)
{
return(Error(ErrorCode.InvalidPara, $"asset is not valid:{convertError}"));
}
if (!BigDecimal.TryParse(amount, assetInfo.Decimals, out BigDecimal sendAmount) || sendAmount.Sign <= 0)
{
return(Error(ErrorCode.InvalidPara, "Incorrect Amount Format"));
}
if (sender != null)
{
var account = CurrentWallet.GetAccount(sender);
if (account == null)
{
return(Error(ErrorCode.AddressNotFound));
}
var balance = sender.GetBalanceOf(assetHash);
if (balance.Value < sendAmount.Value)
{
return(Error(ErrorCode.BalanceNotEnough));
}
}
try
{
Transaction tx = CurrentWallet.MakeTransaction(Helpers.GetDefaultSnapshot(), new[]
{
new TransferOutput
{
AssetId = assetHash,
Value = sendAmount,
ScriptHash = receiver
}
}, sender);
if (tx == null)
{
return(Error(ErrorCode.BalanceNotEnough, "Insufficient funds"));
}
var(signSuccess, context) = CurrentWallet.TrySignTx(tx);
if (!signSuccess)
{
return(Error(ErrorCode.SignFail, context.SafeSerialize()));
}
await tx.Broadcast();
return(new TransactionModel(tx));
}
catch (Exception ex)
{
if (ex.Message.Contains("Insufficient GAS"))
{
return(Error(ErrorCode.GasNotEnough));
}
return(Error(ErrorCode.TransferError, ex.Message));
}
}