diff --git a/src/ApplicationLogs/Store/States/BlockLogState.cs b/src/ApplicationLogs/Store/States/BlockLogState.cs
index a37c83510..f42024498 100644
--- a/src/ApplicationLogs/Store/States/BlockLogState.cs
+++ b/src/ApplicationLogs/Store/States/BlockLogState.cs
@@ -31,6 +31,7 @@ public static BlockLogState Create(Guid[] notifyLogIds) =>
 
         public virtual void Deserialize(ref MemoryReader reader)
         {
+            // It should be safe because it filled from a block's notifications.
             uint aLen = reader.ReadUInt32();
             NotifyLogIds = new Guid[aLen];
             for (int i = 0; i < aLen; i++)
diff --git a/src/ApplicationLogs/Store/States/ContractLogState.cs b/src/ApplicationLogs/Store/States/ContractLogState.cs
index f645bbb91..32d0521d0 100644
--- a/src/ApplicationLogs/Store/States/ContractLogState.cs
+++ b/src/ApplicationLogs/Store/States/ContractLogState.cs
@@ -56,8 +56,8 @@ public override void Serialize(BinaryWriter writer)
         #region IEquatable
 
         public bool Equals(ContractLogState other) =>
-            EventName == other.EventName && StackItemIds.SequenceEqual(other.StackItemIds) &&
-            TransactionHash == other.TransactionHash && Trigger == other.Trigger;
+            Trigger == other.Trigger && EventName == other.EventName &&
+            TransactionHash == other.TransactionHash && StackItemIds.SequenceEqual(other.StackItemIds);
 
         public override bool Equals(object obj)
         {
diff --git a/src/ApplicationLogs/Store/States/EngineLogState.cs b/src/ApplicationLogs/Store/States/EngineLogState.cs
index 0102e9e1b..73eba95be 100644
--- a/src/ApplicationLogs/Store/States/EngineLogState.cs
+++ b/src/ApplicationLogs/Store/States/EngineLogState.cs
@@ -33,6 +33,7 @@ public static EngineLogState Create(UInt160 scriptHash, string message) =>
         public virtual void Deserialize(ref MemoryReader reader)
         {
             ScriptHash.Deserialize(ref reader);
+            // It should be safe because it filled from a transaction's logs.
             Message = reader.ReadVarString();
         }
 
diff --git a/src/ApplicationLogs/Store/States/ExecutionLogState.cs b/src/ApplicationLogs/Store/States/ExecutionLogState.cs
index e37a46cc9..706ce543c 100644
--- a/src/ApplicationLogs/Store/States/ExecutionLogState.cs
+++ b/src/ApplicationLogs/Store/States/ExecutionLogState.cs
@@ -45,6 +45,7 @@ public void Deserialize(ref MemoryReader reader)
             Exception = reader.ReadVarString();
             GasConsumed = reader.ReadInt64();
 
+            // It should be safe because it filled from a transaction's stack.
             uint aLen = reader.ReadUInt32();
             StackItemIds = new Guid[aLen];
             for (int i = 0; i < aLen; i++)
diff --git a/src/ApplicationLogs/Store/States/NotifyLogState.cs b/src/ApplicationLogs/Store/States/NotifyLogState.cs
index 996c611fa..fe22308ad 100644
--- a/src/ApplicationLogs/Store/States/NotifyLogState.cs
+++ b/src/ApplicationLogs/Store/States/NotifyLogState.cs
@@ -40,6 +40,7 @@ public virtual void Deserialize(ref MemoryReader reader)
             ScriptHash.Deserialize(ref reader);
             EventName = reader.ReadVarString();
 
+            // It should be safe because it filled from a transaction's notifications.
             uint aLen = reader.ReadUInt32();
             StackItemIds = new Guid[aLen];
             for (int i = 0; i < aLen; i++)
@@ -61,8 +62,8 @@ public virtual void Serialize(BinaryWriter writer)
         #region IEquatable
 
         public bool Equals(NotifyLogState other) =>
-            EventName == other.EventName && StackItemIds.SequenceEqual(other.StackItemIds) &&
-            ScriptHash == other.ScriptHash;
+            EventName == other.EventName && ScriptHash == other.ScriptHash &&
+            StackItemIds.SequenceEqual(other.StackItemIds);
 
         public override bool Equals(object obj)
         {
diff --git a/src/ApplicationLogs/Store/States/TransactionEngineLogState.cs b/src/ApplicationLogs/Store/States/TransactionEngineLogState.cs
index 55b5fbae0..dc029b268 100644
--- a/src/ApplicationLogs/Store/States/TransactionEngineLogState.cs
+++ b/src/ApplicationLogs/Store/States/TransactionEngineLogState.cs
@@ -30,6 +30,7 @@ public static TransactionEngineLogState Create(Guid[] logIds) =>
 
         public virtual void Deserialize(ref MemoryReader reader)
         {
+            // It should be safe because it filled from a transaction's logs.
             uint aLen = reader.ReadUInt32();
             LogIds = new Guid[aLen];
             for (int i = 0; i < aLen; i++)
diff --git a/src/ApplicationLogs/Store/States/TransactionLogState.cs b/src/ApplicationLogs/Store/States/TransactionLogState.cs
index c637d6bb3..7d768fa80 100644
--- a/src/ApplicationLogs/Store/States/TransactionLogState.cs
+++ b/src/ApplicationLogs/Store/States/TransactionLogState.cs
@@ -31,6 +31,7 @@ public static TransactionLogState Create(Guid[] notifyLogIds) =>
 
         public virtual void Deserialize(ref MemoryReader reader)
         {
+            // It should be safe because it filled from a transaction's notifications.
             uint aLen = reader.ReadUInt32();
             NotifyLogIds = new Guid[aLen];
             for (int i = 0; i < aLen; i++)