🫐Avail SRB

Learn how Avail staking rewards are calculated. AVAILSRB uses the Substrate era-based reward model with era validator rewards and total staked AVAIL.

AVAILSRB is a benchmark representing the annualized staking rate for the AVAIL token.

AVAILSRB is calculated and published by Staking Rewards via the Avail Profile and Data API.

TL;DR: Avail staking rewards use the Substrate era-based reward model: era validator rewards annualized over 365 days divided by total staked AVAIL tokens. Validator-level rates are adjusted by commission in the Nominated Proof of Stake system.

AVAIL Staking Rewards Rate: AVAILSRB

AVAILSRB = evr * t_y / st

Formula Key

Metric Name

Description

evr

Era Validator Reward

The total reward distributed to all validators for the previous era, sourced directly from on-chain storage.

Staked Tokens

The total staked AVAIL in the active era, sourced from on-chain era total stake.

$t_y$

Year Constant

365 eras — used to annualize the per-era reward (24-hour eras).

AVAILSRB is non-compounded, excluding returns from reinvestment of rewards.
The reward rate is derived from actual on-chain era rewards, not from an inflation model estimate.
Both claimed and unclaimed rewards are included.

Slashing

AVAILSRB does not factor in the possibility of slashing occurrences.
Avail implements Substrate's standard slashing mechanism. Validators can be slashed for equivocation or prolonged unresponsiveness.

AVAIL Validator Staking Rewards Rate: AVAILSRB(v)

Staking Rewards calculates the AVAILSRB for each validator based on their individual era points (performance) and commission rate.

AVAILSRB(v) = (vep / tep * tvr) / t_m * t_y / vst

Formula key

Metric Name

Description

$vep$

Validator Era Points

Validator era points accumulated in the observation period.

tep

Total Era Points

Total era points for all validators in the observation period.

tvr

Total Validator Rewards

All rewards distributed to all validators in the observation period.

vst

Validator Staked Tokens

Validator staked tokens, self-staked and nominated.

$t_y$

Year Constant

365d

$t_m$

Month Constant

30d

Observation Period:

The AVAILSRB is determined based on the latest completed era at the evaluation point.
This data is then annualized for a comprehensive year-long projection.

Calculation

The calculation happens every 6 hours and is immediately published via Data API.

Limitations

AVAILSRB employs a 365-day convention for annualizing era reward data. This convention remains consistent and does not accommodate adjustments for leap years.

AVAIL Real Reward Rate: AVAILSRB^R

The real reward rate calculates the reward rate adjusted for inflation in the network.

AVAILSRB^R = 1+AVAILSRB/(1+ir)-1

Formula key

Metric name

Description

Inflation Rate

Derived from on-chain era rewards: eraValidatorReward * 365 / totalSupply.

Inflation Rate Behavior

Avail's inflation is derived from actual on-chain era rewards. The protocol distributes AVAIL tokens to validators and nominators based on their staked amounts through controlled token supply growth.