/// <summary>
/// Get the unspent coin references for a specific address.
/// For now it only works using the NeoScan API.
/// </summary>
/// <param name="address"></param>
/// <param name="restService"></param>
/// <returns></returns>
public static async Task <IEnumerable <Coin> > GetUnspent(string address,
INeoscanService restService)
{
if (restService == null)
{
throw new NullReferenceException("REST client not configured");
}
var addressBalance = await restService.GetBalanceAsync(address);
var coinList = new List <Coin>();
if (addressBalance.Balance != null)
{
coinList.AddRange(from balanceEntry in addressBalance.Balance
let child = balanceEntry?.Unspent
where child?.Count > 0
from unspent in balanceEntry?.Unspent
select new Coin
{
Output = new TransactionOutput
{
AssetId = UInt256.Parse(balanceEntry?.AssetHash),
ScriptHash = address?.ToScriptHash(),
Value = Fixed8.FromDecimal((decimal)unspent.Value),
},
Reference = new CoinReference
{
PrevHash = UInt256.Parse(unspent.TxId),
PrevIndex = (ushort)unspent.N,
}
});
}
return(coinList);
}
/// <summary>
/// Gets nep5 tokens balance from Neoscan.
/// </summary>
/// <param name="address"></param>
/// <param name="restService"></param>
/// <returns></returns>
//TODO change this to become neoscan independent
public static async Task <List <Balance> > GetNep5Balances(string address,
INeoscanService restService)
{
if (restService == null)
{
throw new NullReferenceException("REST client not configured");
}
var addressBalance = await restService.GetBalanceAsync(address);
var nep5Balances = new List <Balance>();
if (addressBalance.Balance != null)
{
foreach (var balanceEntry in addressBalance.Balance)
{
if (balanceEntry.Amount > 0)
{
nep5Balances.Add(balanceEntry);
}
}
}
return(nep5Balances);
}
