split rpc for bundler, paymater and public rpc

gistfile1.txt

const client = createBundlerClient({
    chain,
    transport: (opts) => {
      const bundlerRpc = http(`${rpcUrl}/${API_KEY_STAGING}`)(opts);
      const publicRpc = http(`${chain.rpcUrls.alchemy.http[0]}/${API_KEY}`)(
        opts
      );

      return custom({
        request: async (args) => {
          const bundlerMethods = new Set([
            "eth_sendUserOperation",
            "eth_estimateUserOperationGas",
            "eth_getUserOperationReceipt",
            "eth_getUserOperationByHash",
            "eth_supportedEntryPoints",
          ]);

          if (bundlerMethods.has(args.method)) {
            return bundlerRpc.request(args);
          } else {
            return publicRpc.request(args);
          }
        },
      })(opts);
    },
  });
  return createSmartAccountClientFromExisting({
    client,
    account: await createSimpleSmartAccount({
      chain,
      signer,
      entryPoint: getEntryPoint(chain, { version: "0.7.0" }),
      transport: custom(client),
      accountAddress,
    }),
    feeEstimator: async (struct) => ({
      ...struct,
      maxFeePerGas: 1_000_000_000n,
      maxPriorityFeePerGas: 500_000_000n,
    }),
    opts: { feeOptions },
  });