chore: add bound

Author: jxom

src/clients/createClient.ts

@@ -225,7 +225,7 @@ export function createClient(parameters: ClientConfig): Client {
 
   const blockTime = chain?.blockTime ?? 12_000
   const pollingInterval =
-    parameters.pollingInterval ?? Math.floor(blockTime / 3)
+    parameters.pollingInterval ?? Math.max(Math.floor(blockTime / 3), 500)
   const cacheTime = parameters.cacheTime ?? pollingInterval
 
   const account = parameters.account