sudo_set_network_registration_allowed
Call v138 → current #19Enables or disables new neuron registration on a subnet .
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with sudo_set_network_registration_allowed, passing through validation
(signature, nonce, mortality, fee payment), then pre-dispatch checks where it may fail with errors like NetworkDoesNotExist, followed by dispatch and modifies storage: SubtensorModule.NetworkRegistrationAllowed, and finally post-dispatch where ExtrinsicSuccess is emitted and fees are settled.
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Used by: subnet owners
The Big Picture
Master switch for subnet registration. Useful during upgrades or for controlled-access subnets.
Use Cases
- Pausing registration during maintenance
- Creating exclusive subnets
Input Parameters
Permissions
Origin
Root
Required Role
Requirements
- Caller is root or subnet owner
- Subnet exists
Effects
Storage Modified
Postconditions
- RegistrationAllowed flag updated
Side Effects
- If disabled, no new neurons can join this subnet
Possible Errors
Code Examples
import { ApiPromise, WsProvider } from "@polkadot/api";
import { stringCamelCase } from "@polkadot/util";
const provider = new WsProvider("wss://entrypoint-finney.opentensor.ai:443");
const api = await ApiPromise.create({ provider });
// Build sudo_set_network_registration_allowed call
const netuid = 1;
const registration_allowed = true;
const call = api.tx[stringCamelCase("AdminUtils")][stringCamelCase("sudo_set_network_registration_allowed")](
netuid,
registration_allowed
);Runtime Info
View Source- Pallet Index
- 19
- Call Index
- 19
- First Version
- v138
- Current Version
- v393