private async Task <IWalletBalance> UpdateBitcoinBalance(IObservableWallet wallet, int height,
int minConfirmations)
{
var unspentOutputs = await _blockChainProvider.GetUnspentOutputsAsync(wallet.Address, minConfirmations);
var coins = await _unspentCoinsProvider.FilterAsync(unspentOutputs);
var balance = coins.Select(o => o.Amount).DefaultIfEmpty().Sum(p => p?.Satoshi ?? 0);
_log.Info("Bitcoin balance retrieved from provider and filtered", context: new { Address = wallet.Address, Height = height, MinConfirmation = minConfirmations, Balance = balance });
if (balance != 0)
{
var walletBalanceEntity =
WalletBalance.Create(wallet.Address, balance, height, Constants.Assets.Bitcoin.AssetId);
await _balanceRepository.InsertOrReplaceAsync(walletBalanceEntity);
return(walletBalanceEntity);
}
await _balanceRepository.DeleteIfExistAsync(wallet.Address, Constants.Assets.Bitcoin.AssetId);
return(null);
}
public async Task <IEnumerable <Coin> > GetUnspentOutputsAsync(string address, int confirmationsCount)
{
var blockchainOutputs = await _blockChainProvider.GetUnspentOutputsAsync(address, confirmationsCount);
return(await _unspentCoinsProvider.FilterAsync(await AddInternalOutputsAsync(blockchainOutputs, address, confirmationsCount)));
}