Pass a transaction instance as the first argument of Predis\Transaction\AbortedMultiExecException.

lib/Predis/Transaction/AbortedMultiExecException.php

@@ -5,5 +5,14 @@ namespace Predis\Transaction;
 use Predis\PredisException;
 
 class AbortedMultiExecException extends PredisException {
-    // Aborted MULTI/EXEC transactions
+    private $_transaction;
+
+    public function __construct(MultiExecContext $transaction, $message, $code = null) {
+        $this->_transaction = $transaction;
+        parent::__construct($message, $code);
+    }
+
+    public function getTransaction() {
+        return $this->_transaction;
+    }
 }

lib/Predis/Transaction/MultiExecContext.php

@@ -194,9 +194,8 @@ class MultiExecContext {
             $reply = $this->_client->exec();
             if ($reply === null) {
                 if ($attemptsLeft === 0) {
-                    throw new AbortedMultiExecException(
-                        'The current transaction has been aborted by the server'
-                    );
+                    $message = 'The current transaction has been aborted by the server';
+                    throw new AbortedMultiExecException($this, $message);
                 }
                 $this->reset();
                 if (isset($this->_options['on_retry']) && is_callable($this->_options['on_retry'])) {