Queried by: validatorsminerssubnet ownersdevelopersanalytics
The Big Picture
Rho influences how consensus scores translate to emissions. It's part of the mathematical model that turns weights into rewards. Understanding rho helps predict how rank changes affect actual TAO earnings.
Why This Matters
How do scores become emissions? Rho is part of that math. Combined with other parameters, it determines the reward distribution curve.
Example Scenario
Query Rho(netuid=1) returns the emission parameter. Used in consensus calculations to determine how incentive and dividend scores are computed.
Common Questions
- How does rho affect my earnings?
- Indirectly - it shapes the emission curve. Higher rho might favor top performers more, or distribute more evenly, depending on the formula.
Use Cases
- Understand emission distribution dynamics
- Model expected rewards under different scenarios
- Research Yuma Consensus parameters
- Design subnet incentive structures
- Debug emission distribution issues
From Chain Metadata
MAP ( netuid ) --> Rho
Purpose & Usage
Purpose
Tune emission distribution - controls how incentive/dividends are calculated.
Common Query Patterns
- Query by netuid
- Research emission mechanics
- Model reward distributions
Query Keys
| # | Name | Type | Description |
|---|---|---|---|
| 1 | netuid | u16 | netuid (u16, hashed key component) |
Stored Value
Rho (u16)
Relationships
Modified By
Related Events
Code Examples
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);
// Query Rho storage
const netuid = 1;
const result = await api.query.SubtensorModule.Rho.getValue(netuid);
console.log("Rho:", result);Version History
v101 block 1 Added
v123 block 720,235 Internal re-bind
v149 block 3,014,339 Internal re-bind
v166–v194 · runtime versions skipped on chain (never deployed)
v195 block 3,791,350 Internal re-bind
v278–v289 · runtime versions skipped on chain (never deployed)
v290 block 5,947,548 Internal re-bind Current
Runtime Info
View Source- Pallet
- SubtensorModule
- Storage Kind
- Map
- First Version
- v101
- Current Version
- v411