BitSharp.Esent.EsentChainStateCursor.ContainsHeader C# (CSharp) Method

        public bool ContainsHeader(UInt256 blockHash)
        {
            CheckTransaction();

            using (SetSessionContext())
            {
                Api.JetSetCurrentIndex(this.jetSession, this.headersTableId, "IX_BlockHash");
                Api.MakeKey(this.jetSession, this.headersTableId, DbEncoder.EncodeUInt256(blockHash), MakeKeyGrbit.NewKey);
                return Api.TrySeek(this.jetSession, this.headersTableId, SeekGrbit.SeekEQ);
            }
        }