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Fix memory leak of LevelDB snapshots in RpcNep5Tracker plugin. #57

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merged 1 commit into from
Mar 13, 2019
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Fix memory leak of LevelDB snapshots in RpcNep5Tracker plugin. #57

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6 changes: 4 additions & 2 deletions RpcNep5Tracker/RpcNep5Tracker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ public class RpcNep5Tracker : Plugin, IPersistencePlugin, IRpcPlugin
private DataCache<Nep5TransferKey, Nep5Transfer> _transfersReceived;
private WriteBatch _writeBatch;
private bool _shouldTrackHistory;
private Neo.IO.Data.LevelDB.Snapshot _levelDbSnapshot;

public override void Configure()
{
Expand All @@ -44,8 +45,9 @@ public override void Configure()
private void ResetBatch()
{
_writeBatch = new WriteBatch();
var balancesSnapshot = _db.GetSnapshot();
ReadOptions dbOptions = new ReadOptions { FillCache = false, Snapshot = balancesSnapshot };
_levelDbSnapshot?.Dispose();
_levelDbSnapshot = _db.GetSnapshot();
ReadOptions dbOptions = new ReadOptions { FillCache = false, Snapshot = _levelDbSnapshot };
_balances = new DbCache<Nep5BalanceKey, Nep5Balance>(_db, dbOptions, _writeBatch, Nep5BalancePrefix);
if (_shouldTrackHistory)
{
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