How to include custom RPC in polkadotjs (+types)

When generating the api-augment with typegen, the additional RPC methods are not included. Additionally those rpc_method are not recognized when polkadotjs connect to the network and load the types.

API/INIT: RPC methods not decorated: eth_feeHistory, eth_maxPriorityFeePerGas, moon_isBlockFinalized, moon_isTxFinalized

Ex: using npm install @moonbeam-network/api-augment@0.1605.3

import "@moonbeam-network/api-augment";
import { ApiPromise, WsProvider } from "@polkadot/api";

const main = async () => {
  const api = await ApiPromise.create({
    provider: new WsProvider("wss://wss.api.moonbase.moonbeam.network"),
  });
  await api.isReady;

  const blockHash = `0x0bbeb2c7b5e7c3e960efd54029404fa2ec4288ff1e1ae6d2b149793a7b0a0226`;
  console.log(`${blockHash} finalized?: ${api.rpc.moon.isBlockFinalized(blockHash)}`);
};

main();

This will fail to compile (because of missing moon) and fail to execute because moon is not decorated in the api object.

[jacogr]

Have it on the list of TODOs, have not gotten there to look.

[polkadot-js-bot]

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