private static BigInteger GetHeadIdx()
{
string msg;
string head = RpcHelper.LastBlock(httpClient, creditcoinUrl, out msg);
Debug.Assert(head != null && msg == null || head == null && msg != null);
if (head == null)
{
throw new Exception(msg);
}
BigInteger headIdx;
if (!BigInteger.TryParse(head, out headIdx))
{
throw new Exception("Invalid numerics");
}
return(headIdx);
}
