How to: Serverless RPC with Cloudflare Workers | Livepeer

#educational
video teaching you how to combine Cloudflare workers with
#arbitrum
RPC endpoints for scalable, serverless load balancing and RPC management.

Written Guide:
forum.livepeer.org/t/guide-simple-scalable-serverless-arbitrum-rpc/1867/9

GitHub repo for code updates, optimization, and up-to-date instructions:
github.com/AuthorityNull/Serverless-Arbitrum-RPC/tree/main/cloudflare-rpc-worker

To save on costs, we recommend using the worker code without KV:
github.com/AuthorityNull/Serverless-Arbitrum-RPC/blob/main/cloudflare-rpc-worker/worker_code_without_kv.js

Variables:
ARB_RPC_LIST
arb1.arbitrum.io/rpc,https://arb1.arbitrum.io/rpc

FAILURE_ERROR_CODE_LIST
429,400,403,500

FALLBACK_ARB_RPC_URL

LOGGING_ENABLED
true

PROD_RPC_ERROR_LIST

RPC_ERROR_LIST

Worker test code:
{"jsonrpc":"2.0","method":"net_version","params":[],"id":67}

Worker test code to be run on a server:
xport ARB_URL='YOUR CF WORKER RCP URL GOES HERE'
echo ""
echo "net_version"
echo ""
curl $ARB_URL
-X POST
-H "Content-Type: application/json"
--data '{"jsonrpc":"2.0","method":"net_version","params":[],"id":67}'

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