sudo_set_network_rate_limit
Call v138 → current #29Sets the network-wide rate limit for subnet creation.
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with sudo_set_network_rate_limit, 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.NetworkRateLimit, and finally post-dispatch where ExtrinsicSuccess is emitted and fees are settled.
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Used by: subnet owners
The Big Picture
Limits how frequently new subnets can be created. Prevents rapid proliferation of low-quality subnets.
Use Cases
- Controlling network growth
- Preventing subnet spam
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | rate_limit | u64 | rate_limit (u64) |
Permissions
Origin
Root
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Caller is root account
Effects
Storage Modified
Postconditions
- NetworkRateLimit updated
Side Effects
- Affects how often new subnets can be created
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_rate_limit call
const rate_limit = 0;
const call = api.tx[stringCamelCase("AdminUtils")][stringCamelCase("sudo_set_network_rate_limit")](
rate_limit
);Runtime Info
View Source- Pallet Index
- 19
- Call Index
- 29
- First Version
- v138
- Current Version
- v393