async Task <Transaction?> InternalFetch(string transactionId)
{
var response = await httpClient.GetAsync($"tx/{transactionId}/hex");
if (response.StatusCode == HttpStatusCode.NotFound)
{
cache.Remove(transactionId);
return(null);
}
if (response.StatusCode != HttpStatusCode.OK)
{
throw new FetchException($"Received {response.StatusCode} fetching transaction");
}
var hex = await response.Content.ReadAsStringAsync();
hex = hex.Trim();
var transaction = new TransactionReader(hex).ReadTransaction();
if (transaction.Id != transactionId)
{
throw new FetchException("Got wrong transaction ID");
}
cache.Set(transactionId, transaction);
return(transaction.Clone());
}
Script DecodeRedeemScript(byte[] scriptBytes)
{
var reader = new TransactionReader(new MemoryStream(scriptBytes));
return(reader.ReadScript(scriptBytes.Length));
}