## overview

The Bitcoin handler allows the server to interact with Bitcoin accounts.\
Specifically, you can retrieve the extended public key (xPub) of a Bitcoin account.\
This is useful for deriving Bitcoin addresses without revealing the private key.

## request handlers:

### "bitcoin.getXPub" - Get Extended Public Key (xPub)

| parameter (in req.params) | required? | note                                                                 |
| ------------------------- | --------- | -------------------------------------------------------------------- |
| _accountId_               | ✅         | The ID of the Bitcoin account for which the xPub is to be retrieved. |

| walletHandler used | note                                                     |
| ------------------ | -------------------------------------------------------- |
| _bitcoin.getXPub_  | Should retrieve the xPub of a particular bitcoin account |

- Gets the xPub of a bitcoin account with _bitcoin.getXPub_ walletHandler
- **Returns**: A promise that resolves with the xPub as a string.