sudo_set_stake_threshold
Call v216 → current #42Sets the minimum stake threshold for network participation.
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with sudo_set_stake_threshold, passing through validation
(signature, nonce, mortality, fee payment), then pre-dispatch checks, followed by dispatch and modifies storage: SubtensorModule.StakeThreshold, and finally post-dispatch where ExtrinsicSuccess is emitted and fees are settled.
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Used by: subnet owners
The Big Picture
Minimum stake required for certain network operations. Prevents trivial participation.
Use Cases
- Adjusting participation barriers
- Anti-spam measures
From Chain Metadata
The extrinsic sets the weights min stake. It is only callable by the root account. The extrinsic will call the Subtensor pallet to set the weights min stake.
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | min_stake | u64 | min_stake (u64) (RAO -> TAO (/ 10^9)) |
Permissions
Origin
Root
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Caller is root account
Effects
Storage Modified
Postconditions
- StakeThreshold updated
Side Effects
- Affects minimum stake requirements
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_stake_threshold call
const min_stake = 1_000_000_000n;
const call = api.tx[stringCamelCase("AdminUtils")][stringCamelCase("sudo_set_stake_threshold")](
min_stake
);Runtime Info
View Source- Pallet Index
- 19
- Call Index
- 42
- First Version
- v216
- Current Version
- v393