public UncontrolledOutput(Amount amount, byte[] pkScript) : base(amount)
{
if (pkScript == null)
{
throw new ArgumentNullException(nameof(pkScript));
}
PkScript = OutputScript.ParseScript(pkScript);
}
public static UnspentOutput MarshalUnspentOutput(FundTransactionResponse.Types.PreviousOutput o)
{
var txHash = new Sha256Hash(o.TransactionHash.ToByteArray());
var outputIndex = o.OutputIndex;
var amount = (Amount)o.Amount;
var pkScript = OutputScript.ParseScript(o.PkScript.ToByteArray());
var seenTime = DateTimeOffsetExtras.FromUnixTimeSeconds(o.ReceiveTime);
var isFromCoinbase = o.FromCoinbase;
return(new UnspentOutput(txHash, outputIndex, amount, pkScript, seenTime, isFromCoinbase));
}
/// <summary>
/// Extracts the public key hash from a raw p2pkh script
/// </summary>
/// <param name="rawPkScript"></param>
/// <returns></returns>
/// <exception cref="SigningException"></exception>
private static byte[] GetPublicKeyHash(byte[] rawPkScript)
{
// Only support Secp256k1 signatures
var outScript = OutputScript.ParseScript(rawPkScript);
if (!(outScript is OutputScript.Secp256k1PubKeyHash parsedScript))
{
throw new SigningException("Unsupported signature script type");
}
return(parsedScript.Hash160);
}
public async Task <Tuple <List <UnspentOutput>, Amount, OutputScript> > FundTransactionAsync(
Account account, Amount targetAmount, int requiredConfirmations)
{
var client = WalletService.NewClient(_channel);
var request = new FundTransactionRequest
{
Account = account.AccountNumber,
TargetAmount = targetAmount,
RequiredConfirmations = requiredConfirmations,
IncludeImmatureCoinbases = false,
IncludeChangeScript = true,
};
var response = await client.FundTransactionAsync(request, cancellationToken : _tokenSource.Token);
var outputs = response.SelectedOutputs.Select(MarshalUnspentOutput).ToList();
var total = (Amount)response.TotalAmount;
var changeScript = (OutputScript)null;
if (response.ChangePkScript?.Length != 0)
{
changeScript = OutputScript.ParseScript(response.ChangePkScript.ToByteArray());
}
return(Tuple.Create(outputs, total, changeScript));
}
