remove legacy auth validation

src/Auth/NativeAuthServer.php

@@ -19,7 +19,6 @@ public function __construct(
         public ?string $apiUrl = null,
         public array $acceptedOrigins = [],
         public int $maxExpirySeconds = 86400,
-        public bool $skipLegacyValidation = false,
     ) {
     }
 
@@ -71,17 +70,6 @@ public function validate(string $accessToken): NativeAuthValidateResult
         $valid = UserVerifier::fromAddress(Address::fromBech32($decoded->address))
             ->verify(new Bytes($verifiable->serializeForSigning()), new Bytes($verifiable->signature->hex()), $verifiable->address->getPublicKey());
 
-        if (! $valid && ! $this->skipLegacyValidation) {
-            $verifiable = new SignableMessage(
-                message: "{$decoded->address}{$decoded->body}{}",
-                signature: new Signature($decoded->signature),
-                address: Address::fromBech32($decoded->address),
-            );
-
-            $valid = UserVerifier::fromAddress(Address::fromBech32($decoded->address))
-                ->verify(new Bytes($verifiable->serializeForSigning()), new Bytes($verifiable->signature->hex()), $verifiable->address->getPublicKey());
-        }
-
         throw_unless($valid, NativeAuthInvalidSignatureException::class);
 
         return new NativeAuthValidateResult(

src/Multiversx.php

@@ -27,7 +27,6 @@ public static function verifyNativeAuthToken(string $accessToken): NativeAuthVal
             apiUrl: config('multiversx.urls.api') ?? throw new Exception('missing config: urls.api'),
             acceptedOrigins: config('multiversx.native_auth.accepted_origins') ?? throw new Exception('missing native auth config: accepted_origins'),
             maxExpirySeconds: config('multiversx.native_auth.max_expiry_seconds') ?? throw new Exception('missing native auth config: max_expiry_seconds'),
-            skipLegacyValidation: config('multiversx.native_auth.skip_legacy_validation') ?? throw new Exception('missing native auth config: skip_legacy_validation'),
         );
 
         return $nativeAuth->validate($accessToken);

src/config.php

@@ -33,7 +33,5 @@
         ],
 
         'max_expiry_seconds' => 86400,
-
-        'skip_legacy_validation' => false,
     ],
 ];