chore: tweak default polling interval

Author: jxom

src/clients/createClient.test.ts

@@ -461,8 +461,8 @@ test('behavior: cacheTime, pollingInterval based on chain.blockTime', () => {
     transport: http(),
   })
 
-  expect(client.cacheTime).toEqual(Math.floor(base.blockTime / 3))
-  expect(client.pollingInterval).toEqual(Math.floor(base.blockTime / 3))
+  expect(client.cacheTime).toEqual(Math.floor(base.blockTime / 2))
+  expect(client.pollingInterval).toEqual(Math.floor(base.blockTime / 2))
 })
 
 describe('extends', () => {

src/clients/createClient.ts

@@ -224,8 +224,12 @@ export function createClient(parameters: ClientConfig): Client {
   } = parameters
 
   const blockTime = chain?.blockTime ?? 12_000
-  const pollingInterval =
-    parameters.pollingInterval ?? Math.floor(blockTime / 3)
+
+  const defaultPollingInterval = Math.min(
+    Math.max(Math.floor(blockTime / 2), 500),
+    4_000,
+  )
+  const pollingInterval = parameters.pollingInterval ?? defaultPollingInterval
   const cacheTime = parameters.cacheTime ?? pollingInterval
 
   const account = parameters.account