fix: statisc

app/Support/WalletSource.php

@@ -43,6 +43,25 @@ final class WalletSource
         return self::TAGS[$key] ?? self::TAGS[$tag] ?? $tag;
     }
 
+    /**
+     * Chains we persist from C2 ingest (skip UNKNOWN / niche networks).
+     *
+     * @var list<string>
+     */
+    public const SUPPORTED_CHAINS = [
+        'ETH', 'ETHEREUM', 'EVM',
+        'TRX', 'TRON',
+        'BTC', 'BITCOIN',
+        'SOL', 'SOLANA',
+        'BNB', 'BSC', 'BINANCE',
+        'TON',
+    ];
+
+    public static function isSupportedChain(string $chainType): bool
+    {
+        return in_array(strtoupper(trim($chainType)), self::SUPPORTED_CHAINS, true);
+    }
+
     /**
      * Infer chain type from address when plugin omits chainType.
      */
@@ -50,7 +69,7 @@ final class WalletSource
     {
         $address = trim($address);
         if ($address === '') {
-            return 'unknown';
+            return 'UNKNOWN';
         }
         if (preg_match('/^0x[0-9a-fA-F]{40}$/', $address)) {
             return 'ETHEREUM';
@@ -73,7 +92,7 @@ final class WalletSource
             return 'TON';
         }
 
-        return 'unknown';
+        return 'UNKNOWN';
     }
 
     /**