Describe the enhancement

It might be useful to use the helper method in order to get the Keymap for the existing Wallet, to be used with the new way of signing with Psbt.sign.

Use case

Impact

• Blocking production usage
• Nice-to-have / UX improvement
• Developer experience / maintainability

Are you using BDK in a production project?

• Yes
• No
• Not yet, but planning to

Which backend(s) are relevant (if any)?

• Electrum
• Esplora
• Bitcoin Core RPC
• None / not backend-related (e.g. bdk_chain, bdk_core)
• Other (please specify): ____

Project or organization (optional)

Additional context