Need to create the hedge service

A service that watches the list of your btc addresses and exchange balances and fully hedges it with derivatives (futures or perpetuals)

1. Checks everything once in x minutes in v0.1 (later event-based).
2. Monitors the BTC addresses transactions to know the wallets balance, by polling some free
    blockchain data provider REST API, or a provided full node.
3. Monitors the exchange balance (including unrealised PnL) by polling REST API  (bitmex get
    /user/wallet)
4. Monitors the futures/swap position by polling REST API (bitmex get /execution/tradeHistory)
    to get all trade executions with a "hedge" comment and calculating the hedge position to
    distinguish it from other possible trading at this account.
5. Gets the current BTC price (bitmex get /instrument for swap, futures and index).
6. If abs(btc balance - hedge position - desired BTC exposure) > tolerance, send a market order
    and wait for reply to make it equal (with a comment that it is a hedge).
7. Saves the balances on exchange and private wallets, in BTC, USD current prices, USD futures
   prices; hedge in USD(=contracts) and BTC(equivalent) to the database.

Technical requirements:

- Use AWS Amplify or smth similar to simplify the web part development as much as possible.
- Keep the api keys secured!
- Deploy web backend and hedge  service on separate machines.
- Store api keys in a separate database that is only accessible from the hedge service server.
- Hedge service has all incoming ports closed.
- AND/OR do whatever you think is necessary.
- Deliver as a Github project with CI for build, tests, docker image publishing, deployment
- Hedge service deploys in a docker container.
- Separate deployment for web and hedge service with a few clicks.
- Expected load is minimal.
- Logging and writing logs somewhere.
- Use the simplest technologies possible. Hedging service in Python or NodeJS. Web part in whatever is considered good choice today.
- This is a prototype, no need to write perfect code and write extensive tests at this stage, but be reasonable, it should work.
- Only 1 exchange for now (Bitmex).
- I'll explain how to calculate the order size in contracts for hedging x BTC.

Please provide your own quotes, the current price is a placeholder.