Convert hyperparams from strings

bittensor_cli/src/bittensor/utils.py

@@ -122,6 +122,11 @@ def u64_normalized_float(x: int) -> float:
     return float(x) / float(U64_MAX)
 
 
+def string_to_u64(value: str) -> int:
+    """Converts a string to u64"""
+    return float_to_u64(float(value))
+
+
 def float_to_u64(value: float) -> int:
     """Converts a float to a u64 int"""
     # Ensure the input is within the expected range
@@ -142,6 +147,11 @@ def u64_to_float(value: int) -> float:
     return min(value / u64_max, 1.0)  # Ensure the result is never greater than 1.0
 
 
+def string_to_u16(value: str) -> int:
+    """Converts a string to a u16 int"""
+    return float_to_u16(float(value))
+
+
 def float_to_u16(value: float) -> int:
     # Ensure the input is within the expected range
     if not (0 <= value <= 1):

bittensor_cli/src/commands/sudo.py

@@ -18,9 +18,9 @@
     normalize_hyperparameters,
     unlock_key,
     blocks_to_duration,
-    float_to_u64,
-    float_to_u16,
     json_console,
+    string_to_u16,
+    string_to_u64,
 )
 
 if TYPE_CHECKING:
@@ -108,7 +108,7 @@ def type_converter_with_retry(type_, val, arg_name):
         except ValueError:
             return type_converter_with_retry(type_, None, arg_name)
 
-    arg_types = {"bool": string_to_bool, "u16": float_to_u16, "u64": float_to_u64}
+    arg_types = {"bool": string_to_bool, "u16": string_to_u16, "u64": string_to_u64}
     arg_type_output = {"bool": "bool", "u16": "float", "u64": "float"}
 
     call_crafter = {"netuid": netuid}

tests/e2e_tests/test_staking_sudo.py

@@ -540,3 +540,31 @@ def test_staking(local_chain, wallet_setup):
     assert yuma3_val["value"] is True
     assert yuma3_val["normalized_value"] is True
     print("✅ Passed staking and sudo commands")
+
+    change_arbitrary_hyperparam = exec_command_alice(
+        command="sudo",
+        sub_command="set",
+        extra_args=[
+            "--wallet-path",
+            wallet_path_alice,
+            "--wallet-name",
+            wallet_alice.name,
+            "--hotkey",
+            wallet_alice.hotkey_str,
+            "--chain",
+            "ws://127.0.0.1:9945",
+            "--netuid",
+            netuid,
+            "--param",
+            "sudo_set_bonds_penalty",  # arbitrary hyperparam
+            "--value",
+            "0",  # int/float value
+            "--no-prompt",
+            "--json-output",
+        ],
+    )
+    change_arbitrary_hyperparam_json = json.loads(change_arbitrary_hyperparam.stdout)
+    assert change_arbitrary_hyperparam_json["success"] is True, (
+        change_arbitrary_hyperparam.stdout,
+        change_arbitrary_hyperparam.stderr,
+    )