Generates the next key in the deterministic key sequence (as determined by the master derivation key) and adds it to the wallet, returning the public key.
APIV1POSTKeyRequest is the request for POST /v1/key
Response to POST /v1/key
No content
Deletes the key with the passed public key from the wallet.
APIV1DELETEKeyRequest is the request for DELETE /v1/key
Response to DELETE /v1/key
No content