fix: remove the parent-hotkey which is redundent with wallet hotkey

Author: eureka0928

bittensor_cli/cli.py

@@ -6188,12 +6188,6 @@ def stake_set_children(
         network: Optional[list[str]] = Options.network,
         netuid: Optional[int] = Options.netuid_not_req,
         all_netuids: bool = Options.all_netuids,
-        parent_hotkey: Optional[str] = typer.Option(
-            None,
-            "--parent-hotkey",
-            help="Parent hotkey SS58 to manage (defaults to the selected wallet hotkey).",
-            prompt=False,
-        ),
         proportions: list[float] = typer.Option(
             [],
             "--proportions",
@@ -6254,10 +6248,6 @@ def stake_set_children(
             validate=WV.WALLET_AND_HOTKEY,
         )
 
-        if parent_hotkey is not None and not is_valid_ss58_address(parent_hotkey):
-            print_error(f"Invalid SS58 address for --parent-hotkey: {parent_hotkey}")
-            raise typer.Exit()
-
         logger.debug(
             "args:\n"
             f"network: {network}\n"
@@ -6275,7 +6265,6 @@ def stake_set_children(
                 netuid=netuid,
                 children=children,
                 proportions=proportions,
-                hotkey=parent_hotkey,
                 wait_for_finalization=wait_for_finalization,
                 wait_for_inclusion=wait_for_inclusion,
                 prompt=prompt,

bittensor_cli/src/commands/stake/children_hotkeys.py

@@ -516,7 +516,6 @@ async def set_children(
     children: list[str],
     proportions: list[float],
     netuid: Optional[int] = None,
-    hotkey: Optional[str] = None,
     wait_for_inclusion: bool = True,
     wait_for_finalization: bool = True,
     prompt: bool = True,
@@ -532,14 +531,13 @@ async def set_children(
         children: List of child hotkey SS58 addresses.
         proportions: List of stake proportions (floats between 0 and 1).
         netuid: Optional specific subnet ID. If None, operates on ALL non-root subnets.
-        hotkey: Optional parent hotkey SS58 address. If None, uses wallet's hotkey.
         wait_for_inclusion: Wait for transaction to be included in a block.
         wait_for_finalization: Wait for transaction to be finalized.
         prompt: Prompt user for confirmation before submitting transactions.
         json_output: Output results as JSON instead of formatted text.
         proxy: Optional proxy SS58 address for transaction submission.
     """
-    parent_hotkey = hotkey if hotkey is not None else get_hotkey_pub_ss58(wallet)
+    parent_hotkey = get_hotkey_pub_ss58(wallet)
 
     # Validate children SS58 addresses
     for child in children: