sudo_set_tao_flow_normalization_exponent
Call v334 → current #82Sets the TAO flow normalization exponent.
View calls on chainCall Workflow
This diagram shows the call execution flow: starting with sudo_set_tao_flow_normalization_exponent, passing through validation
(signature, nonce, mortality, fee payment), then pre-dispatch checks, followed by dispatch and modifies storage: SubtensorModule.FlowNormExponent, and finally post-dispatch where ExtrinsicSuccess is emitted and fees are settled.
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Used by: subnet owners
The Big Picture
Normalization exponent affects how TAO flows are distributed across the network.
Use Cases
- Flow distribution tuning
- Balancing TAO flows
From Chain Metadata
Sets TAO flow normalization exponent (p)
Input Parameters
| # | Name | Type | Description |
|---|---|---|---|
| 0 | exponent | FixedU128 U64F64 | exponent: Unsigned substrate-fixed u64.64 via .bits codec (inner u128). Real value = bits / 2^64. Do NOT truncate to u64. |
Permissions
Origin
Root
Required Role
Permission data inferred from metadata. May be incomplete.
Requirements
- Caller is root account
Effects
Storage Modified
Postconditions
- TaoFlowNormalizationExponent updated
Side Effects
- Affects flow normalization calculations
Code Examples
// ----------------------------------------------------------------------
// HEADS UP: 1 arg below has a complex type with no usable default.
// Look for `undefined as any` and replace it with real value
// before running — the snippet compiles, but will fail at runtime as-is.
// ----------------------------------------------------------------------
import { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443
const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);
// Build sudo_set_tao_flow_normalization_exponent call (typed, named args)
const exponent = undefined as any /* FixedU128 — replace with real value */;
const tx = api.tx.AdminUtils.sudo_set_tao_flow_normalization_exponent({
exponent,
});Runtime Info
View Source- Pallet Index
- 19
- Call Index
- 82
- First Version
- v334
- Current Version
- v411