miner

custom/apps/mining-checker/src/Infrastructure/MiningRepository.php

@@ -1144,6 +1144,37 @@ final class MiningRepository
         return $this->normalizeRow($fetch->fetch() ?: []);
     }
 
+    public function deletePurchasedMiner(string $projectKey, int $minerId): void
+    {
+        if ($minerId <= 0) {
+            return;
+        }
+
+        $delete = $this->pdo->prepare(
+            'DELETE FROM ' . $this->table('purchased_miners') . '
+             WHERE id = :id AND project_key = :project_key AND owner_sub = :owner_sub'
+        );
+        $delete->execute([
+            'id' => $minerId,
+            'project_key' => $projectKey,
+            'owner_sub' => $this->ownerSub,
+        ]);
+
+        if ($delete->rowCount() > 0) {
+            return;
+        }
+
+        // Older rows without an owner assignment remain deletable like the existing read/update fallback.
+        $legacyDelete = $this->pdo->prepare(
+            'DELETE FROM ' . $this->table('purchased_miners') . '
+             WHERE id = :id AND project_key = :project_key AND owner_sub IS NULL'
+        );
+        $legacyDelete->execute([
+            'id' => $minerId,
+            'project_key' => $projectKey,
+        ]);
+    }
+
     public function getMinerOffer(string $projectKey, int $offerId): ?array
     {
         $stmt = $this->pdo->prepare('SELECT * FROM ' . $this->table('miner_offers') . ' WHERE project_key = :project_key AND id = :id LIMIT 1');