private IEnumerable <UnspentTx> ReadUnspentTransactionsInner()
{
using (SetSessionContext())
{
Api.JetSetCurrentIndex(this.jetSession, this.unspentTxTableId, "IX_TxHash");
if (Api.TryMoveFirst(this.jetSession, this.unspentTxTableId))
{
do
{
var txHashColumn = new BytesColumnValue {
Columnid = this.txHashColumnId
};
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, txHashColumn, blockIndexColumn, txIndexColumn, txVersionColumn, isCoinbaseColumn, outputStatesColumn, txOutputBytesColumn);
var txHash = DbEncoder.DecodeUInt256(txHashColumn.Value);
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);
yield return(new UnspentTx(txHash, blockIndex, txIndex, txVersion, isCoinbase, outputStates));
}while (Api.TryMoveNext(this.jetSession, this.unspentTxTableId));
}
}
}
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);
}
}
