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

        public bool TryGetUnspentTx(UInt256 txHash, out UnspentTx unspentTx)
        {
            CheckTransaction();

            using (SetSessionContext())
            {
                Api.JetSetCurrentIndex(this.jetSession, this.unspentTxTableId, "IX_TxHash");
                Api.MakeKey(this.jetSession, this.unspentTxTableId, DbEncoder.EncodeUInt256(txHash), MakeKeyGrbit.NewKey);
                if (Api.TrySeek(this.jetSession, this.unspentTxTableId, SeekGrbit.SeekEQ))
                {
                    var blockIndexColumn = new Int32ColumnValue { Columnid = this.blockIndexColumnId };
                    var txIndexColumn = new Int32ColumnValue { Columnid = this.txIndexColumnId };
                    var txVersionColumn = new UInt32ColumnValue { Columnid = this.txVersionColumnId };
                    var isCoinbaseColumn = new BoolColumnValue { Columnid = this.isCoinbaseColumnId };
                    var outputStatesColumn = new BytesColumnValue { Columnid = this.outputStatesColumnId };
                    var txOutputBytesColumn = new BytesColumnValue { Columnid = this.txOutputBytesColumnId };
                    Api.RetrieveColumns(this.jetSession, this.unspentTxTableId, blockIndexColumn, txIndexColumn, txVersionColumn, isCoinbaseColumn, outputStatesColumn, txOutputBytesColumn);

                    var blockIndex = blockIndexColumn.Value.Value;
                    var txIndex = txIndexColumn.Value.Value;
                    var txVersion = txVersionColumn.Value.Value;
                    var isCoinbase = isCoinbaseColumn.Value.Value;
                    var outputStates = DataDecoder.DecodeOutputStates(outputStatesColumn.Value);

                    unspentTx = new UnspentTx(txHash, blockIndex, txIndex, txVersion, isCoinbase, outputStates);
                    return true;
                }

                unspentTx = default(UnspentTx);
                return false;
            }
        }