update docstrings

Author: notTanveer

src/seedsigner/helpers/embit_utils.py

@@ -211,11 +211,12 @@ def encode_silent_payment_address(scan_privkey: ec.PrivateKey, spend_pubkey: ec.
     Adapted from https://github.com/bitcoin/bips/blob/master/bip-0352/reference.py
 
     Generates the recipient's reusable silent payment address for a given:
-        * scanning key (can be PublicKey or PrivateKey)
-        * spending pubkey
+        * scan private key
+        * spend public key
         * optional label for labeled addresses
 
-    if scan_key is a PrivateKey and label is provided, generates a labeled address.
+    Scan private key → generates labeled silent address.
+    Scan public key → generates normal silent address.
     """
     scan_pubkey = scan_privkey.get_public_key()
     if label is not None:

src/seedsigner/models/seed.py

@@ -175,7 +175,7 @@ def _build_bip352_path(self, purpose: int = 352, account: int = 0, is_scan_key:
 
     def _derive_bip352_key(self, is_scan_key: bool = True, network: str = SettingsConstants.MAINNET) -> bip32.HDKey:
         """
-            Derives the BIP-352 scanning or signing key.
+            Derive a BIP-352 HD key (scan or spend) from the wallet seed.
 
             see: https://github.com/bitcoin/bips/blob/master/bip-0352.mediawiki#key-derivation
         """

src/seedsigner/views/view.py

@@ -3,7 +3,7 @@
 from typing import Type
 
 from seedsigner.helpers.l10n import mark_for_translation as _mft
-from seedsigner.gui.components import SeedSignerIconConstants, FontAwesomeIconConstants
+from seedsigner.gui.components import SeedSignerIconConstants
 from seedsigner.gui.screens import RET_CODE__POWER_BUTTON, RET_CODE__BACK_BUTTON
 from seedsigner.gui.screens.screen import BaseScreen, ButtonOption, LargeButtonScreen, WarningScreen, ErrorScreen, QRDisplayScreen
 from seedsigner.models.settings import Settings, SettingsConstants