private void DeleteBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash)
{
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blockIndexTableId, "IX_BlockHash");
Api.MakeKey(cursor.jetSession, cursor.blockIndexTableId, DbEncoder.EncodeUInt256(blockHash), MakeKeyGrbit.NewKey);
if (Api.TrySeek(cursor.jetSession, cursor.blockIndexTableId, SeekGrbit.SeekEQ))
{
Api.JetDelete(cursor.jetSession, cursor.blockIndexTableId);
}
else
{
throw new InvalidOperationException();
}
}
private int AddBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash)
{
int blockIndex;
using (var jetUpdate = cursor.jetSession.BeginUpdate(cursor.blockIndexTableId, JET_prep.Insert))
{
Api.SetColumn(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockHashColumnId, DbEncoder.EncodeUInt256(blockHash));
blockIndex = Api.RetrieveColumnAsInt32(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockIndexColumnId, RetrieveColumnGrbit.RetrieveCopy).Value;
jetUpdate.Save();
}
return(blockIndex);
}
private bool TryGetBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash, out int blockIndex)
{
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blockIndexTableId, "IX_BlockHash");
Api.MakeKey(cursor.jetSession, cursor.blockIndexTableId, DbEncoder.EncodeUInt256(blockHash), MakeKeyGrbit.NewKey);
if (Api.TrySeek(cursor.jetSession, cursor.blockIndexTableId, SeekGrbit.SeekEQ))
{
blockIndex = Api.RetrieveColumnAsInt32(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockIndexColumnId).Value;
return(true);
}
else
{
blockIndex = -1;
return(false);
}
}
private void DeleteBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash)
{
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blockIndexTableId, "IX_BlockHash");
Api.MakeKey(cursor.jetSession, cursor.blockIndexTableId, DbEncoder.EncodeUInt256(blockHash), MakeKeyGrbit.NewKey);
if (Api.TrySeek(cursor.jetSession, cursor.blockIndexTableId, SeekGrbit.SeekEQ))
Api.JetDelete(cursor.jetSession, cursor.blockIndexTableId);
else
throw new InvalidOperationException();
}
private int AddBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash)
{
int blockIndex;
using (var jetUpdate = cursor.jetSession.BeginUpdate(cursor.blockIndexTableId, JET_prep.Insert))
{
Api.SetColumn(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockHashColumnId, DbEncoder.EncodeUInt256(blockHash));
blockIndex = Api.RetrieveColumnAsInt32(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockIndexColumnId, RetrieveColumnGrbit.RetrieveCopy).Value;
jetUpdate.Save();
}
return blockIndex;
}
private bool TryGetBlockIndex(EsentBlockTxesCursor cursor, UInt256 blockHash, out int blockIndex)
{
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blockIndexTableId, "IX_BlockHash");
Api.MakeKey(cursor.jetSession, cursor.blockIndexTableId, DbEncoder.EncodeUInt256(blockHash), MakeKeyGrbit.NewKey);
if (Api.TrySeek(cursor.jetSession, cursor.blockIndexTableId, SeekGrbit.SeekEQ))
{
blockIndex = Api.RetrieveColumnAsInt32(cursor.jetSession, cursor.blockIndexTableId, cursor.blockIndexBlockIndexColumnId).Value;
return true;
}
else
{
blockIndex = -1;
return false;
}
}
private void AddTransaction(int blockIndex, int txIndex, UInt256 txHash, byte[] txBytes, EsentBlockTxesCursor cursor)
{
using (var jetUpdate = cursor.jetSession.BeginUpdate(cursor.blocksTableId, JET_prep.Insert))
{
Api.SetColumns(cursor.jetSession, cursor.blocksTableId,
new Int32ColumnValue { Columnid = cursor.blockIndexColumnId, Value = blockIndex },
new Int32ColumnValue { Columnid = cursor.txIndexColumnId, Value = txIndex },
//TODO i'm using -1 depth to mean not pruned, this should be interpreted as depth 0
new Int32ColumnValue { Columnid = cursor.blockDepthColumnId, Value = -1 },
new BytesColumnValue { Columnid = cursor.blockTxHashColumnId, Value = DbEncoder.EncodeUInt256(txHash) },
new BytesColumnValue { Columnid = cursor.blockTxBytesColumnId, Value = txBytes });
jetUpdate.Save();
}
}
public MerkleTreePruningCursor(int blockIndex, EsentBlockTxesCursor cursor)
{
this.blockIndex = blockIndex;
this.cursor = cursor;
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blocksTableId, "IX_BlockIndexTxIndex");
}
public MerkleTreePruningCursor(int blockIndex, EsentBlockTxesCursor cursor)
{
this.blockIndex = blockIndex;
this.cursor = cursor;
Api.JetSetCurrentIndex(cursor.jetSession, cursor.blocksTableId, "IX_BlockIndexTxIndex");
}
private void AddTransaction(int blockIndex, int txIndex, UInt256 txHash, byte[] txBytes, EsentBlockTxesCursor cursor)
{
using (var jetUpdate = cursor.jetSession.BeginUpdate(cursor.blocksTableId, JET_prep.Insert))
{
Api.SetColumns(cursor.jetSession, cursor.blocksTableId,
new Int32ColumnValue {
Columnid = cursor.blockIndexColumnId, Value = blockIndex
},
new Int32ColumnValue {
Columnid = cursor.txIndexColumnId, Value = txIndex
},
//TODO i'm using -1 depth to mean not pruned, this should be interpreted as depth 0
new Int32ColumnValue {
Columnid = cursor.blockDepthColumnId, Value = -1
},
new BytesColumnValue {
Columnid = cursor.blockTxHashColumnId, Value = DbEncoder.EncodeUInt256(txHash)
},
new BytesColumnValue {
Columnid = cursor.blockTxBytesColumnId, Value = txBytes
});
jetUpdate.Save();
}
}
