fix(cache): validate arweave id before setting it

src/common/caches/arns-remote-cache.ts

@@ -14,7 +14,7 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-import { ARNS_TESTNET_REGISTRY_TX } from '../../constants.js';
+import { ARNS_TESTNET_REGISTRY_TX, ARWEAVE_TX_REGEX } from '../../constants.js';
 import {
   ArIOContract,
   ArNSNameData,
@@ -43,6 +43,7 @@ export class ArNSRemoteCache implements ArIOContract {
     logger?: DefaultLogger;
     contractTxId?: string;
   }) {
+    this.validateContractTxId(contractTxId);
     this.contractTxId = contractTxId;
     this.logger = logger;
     this.http = new AxiosHTTPService({
@@ -51,6 +52,12 @@ export class ArNSRemoteCache implements ArIOContract {
     });
   }
 
+  private validateContractTxId(id: string) {
+    if (!ARWEAVE_TX_REGEX.test(id)) {
+      throw new Error(`Invalid contract tx id: ${id}`);
+    }
+  }
+
   async getGateway({ address }: { address: string }) {
     this.logger.debug(`Fetching gateway ${address}`);
     const gateway = await this.getGateways().then((gateways) => {