added mutation free tags to transaction state methods

Author: transistive

src/Basic/UnmanagedTransaction.php

@@ -68,16 +68,25 @@ public function rollback(): void
         $this->tsx->rollback();
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isCommitted(): bool
     {
         return $this->tsx->isCommitted();
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isRolledBack(): bool
     {
         return $this->tsx->isRolledBack();
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isFinished(): bool
     {
         return $this->tsx->isRolledBack();

src/Bolt/BoltUnmanagedTransaction.php

@@ -191,16 +191,25 @@ private function handleConnectionTimeoutException(ConnectionTimeoutException $e)
         throw $e;
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isRolledBack(): bool
     {
         return $this->isRolledBack;
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isCommitted(): bool
     {
         return $this->isCommitted;
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isFinished(): bool
     {
         return $this->isRolledBack() || $this->isCommitted();

src/Contracts/UnmanagedTransactionInterface.php

@@ -43,16 +43,22 @@ public function rollback(): void;
 
     /**
      * Returns whether the transaction has been rolled back.
+     *
+     * @psalm-mutation-free
      */
     public function isRolledBack(): bool;
 
     /**
      * Returns whether the transaction has been committed.
+     *
+     * @psalm-mutation-free
      */
     public function isCommitted(): bool;
 
     /**
      * Returns whether the transaction is safe to use.
+     *
+     * @psalm-mutation-free
      */
     public function isFinished(): bool;
 }

src/Http/HttpUnmanagedTransaction.php

@@ -140,16 +140,25 @@ public function __destruct()
         $this->connection->close();
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isRolledBack(): bool
     {
         return $this->isRolledBack;
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isCommitted(): bool
     {
         return $this->isCommitted;
     }
 
+    /**
+     * @psalm-mutation-free
+     */
     public function isFinished(): bool
     {
         return $this->isRolledBack() || $this->isCommitted();