From bd7bd13deed67304540412ee4785476864f51f88 Mon Sep 17 00:00:00 2001
From: Nico Flaig <nflaig@protonmail.com>
Date: Wed, 2 Oct 2024 10:36:01 +0100
Subject: [PATCH] feat: allow to configure api client when initializing light
 client

---
 packages/light-client/README.md        | 6 +++---
 packages/light-client/src/utils/api.ts | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/packages/light-client/README.md b/packages/light-client/README.md
index cd3a0265008a..0323e8fc4326 100644
--- a/packages/light-client/README.md
+++ b/packages/light-client/README.md
@@ -62,7 +62,7 @@ import {
 
 const config = getChainForkConfigFromNetwork("sepolia");
 const logger = getConsoleLogger({logDebug: Boolean(process.env.DEBUG)});
-const api = getApiFromUrl({urls: ["https://lodestar-sepolia.chainsafe.io"]}, {config});
+const api = getApiFromUrl("https://lodestar-sepolia.chainsafe.io", "sepolia");
 
 const lightclient = await Lightclient.initializeFromCheckpointRoot({
   config,
@@ -82,11 +82,11 @@ await lightclient.start();
 logger.info("Lightclient synced");
 
 lightclient.emitter.on(LightclientEvent.lightClientFinalityHeader, async (finalityUpdate) => {
-  logger.info(finalityUpdate);
+  logger.info("Received finality update", {slot: finalityUpdate.beacon.slot});
 });
 
 lightclient.emitter.on(LightclientEvent.lightClientOptimisticHeader, async (optimisticUpdate) => {
-  logger.info(optimisticUpdate);
+  logger.info("Received optimistic update", {slot: optimisticUpdate.beacon.slot});
 });
 ```
 
diff --git a/packages/light-client/src/utils/api.ts b/packages/light-client/src/utils/api.ts
index 7947aa96dd3e..6ccb187052e1 100644
--- a/packages/light-client/src/utils/api.ts
+++ b/packages/light-client/src/utils/api.ts
@@ -1,13 +1,13 @@
-import {getClient, ApiClient} from "@lodestar/api";
+import {getClient, ApiClient, ApiRequestInit} from "@lodestar/api";
 import {ChainForkConfig, createChainForkConfig} from "@lodestar/config";
 import {NetworkName, networksChainConfig} from "@lodestar/config/networks";
 
-export function getApiFromUrl(url: string, network: NetworkName): ApiClient {
+export function getApiFromUrl(url: string, network: NetworkName, init?: ApiRequestInit): ApiClient {
   if (!(network in networksChainConfig)) {
     throw Error(`Invalid network name "${network}". Valid options are: ${Object.keys(networksChainConfig).join()}`);
   }
 
-  return getClient({urls: [url]}, {config: createChainForkConfig(networksChainConfig[network])});
+  return getClient({urls: [url], globalInit: init}, {config: createChainForkConfig(networksChainConfig[network])});
 }
 
 export function getChainForkConfigFromNetwork(network: NetworkName): ChainForkConfig {