/// <summary>
/// Compacts the block and transaction database by recreating the tables without the deleted references.
/// </summary>
private void CompactDataBase()
{
Task task = Task.Run(() =>
{
using (DBreeze.Transactions.Transaction dbreezeTransaction = this.blockRepository.DBreeze.GetTransaction())
{
dbreezeTransaction.SynchronizeTables(BlockRepository.BlockTableName, BlockRepository.TransactionTableName);
var tempBlocks = dbreezeTransaction.SelectDictionary <byte[], byte[]>(BlockRepository.BlockTableName);
if (tempBlocks.Count != 0)
{
this.logger.LogInformation($"{tempBlocks.Count} blocks will be copied to the pruned table.");
dbreezeTransaction.RemoveAllKeys(BlockRepository.BlockTableName, true);
dbreezeTransaction.InsertDictionary(BlockRepository.BlockTableName, tempBlocks, false);
var tempTransactions = dbreezeTransaction.SelectDictionary <byte[], byte[]>(BlockRepository.TransactionTableName);
if (tempTransactions.Count != 0)
{
this.logger.LogInformation($"{tempTransactions.Count} transactions will be copied to the pruned table.");
dbreezeTransaction.RemoveAllKeys(BlockRepository.TransactionTableName, true);
dbreezeTransaction.InsertDictionary(BlockRepository.TransactionTableName, tempTransactions, false);
}
// Save the hash and height of where the node was pruned up to.
dbreezeTransaction.Insert(BlockRepository.CommonTableName, prunedTipKey, this.dBreezeSerializer.Serialize(this.PrunedTip));
}
dbreezeTransaction.Commit();
}
return(Task.CompletedTask);
});
}
