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Aventus

# Aventus Expenses Methodology

## 1. Overview

The Aventus expenses metric measures the protocol's operational costs by tracking staking rewards paid out to network participants. This metric treats staking rewards as protocol expenses since they represent the cost of incentivizing network security and participation. The calculation aggregates daily staking reward payouts from the Aventus blockchain and converts them to USD values.

## 2. Data sources

The calculation uses the following data sources:
- **Aventus blockchain events**: Event logs from the `parachainStaking` pallet containing `Rewarded` events that record staking reward distributions
- **Staking reward data**: Native AVT token amounts paid as rewards to staking participants, stored with 18-decimal precision in event data
- **End-of-day price feeds**: CoinGecko price data for the Aventus (AVT) token to convert native token amounts to USD values
- **Chain availability data**: Configuration data that determines which chains and time periods should be included in the final results

## 3. Step-by-step calculation

### Component A: Staking rewards extraction
- **Purpose**: Extract and process raw staking reward events from the Aventus blockchain
- **Logic**: Filter Aventus blockchain event logs to identify staking reward distributions by selecting events where the pallet is `parachainStaking` and the method is `Rewarded`. Parse the reward amount from the event data array at position 1, then convert from the native 18-decimal precision to standard decimal format by dividing by 1e18. Each event represents a single staking reward payout to a network participant.
- **Key fields**: `block_timestamp` for timing, `extrinsic_id` for transaction identification, and `amount` representing the processed reward value in AVT tokens

### Component B: Daily aggregation and USD conversion  
- **Purpose**: Aggregate daily staking rewards and convert native token amounts to USD values
- **Logic**: Group all staking reward events by day using timestamp truncation to daily boundaries. Sum all reward amounts within each day to get total daily staking rewards paid by the protocol. Convert the daily AVT token totals to USD using end-of-day price feeds from CoinGecko for the Aventus token, ensuring consistent valuation timing across all calculations.
- **Key fields**: `timestamp` for daily boundaries, `timestamp_grain` set to 'day', `chain_id` as 'aventus', `product_id` as 'aventuschain', and `token_incentives` containing the USD-converted daily reward totals

### Component C: Token incentives metric processing
- **Purpose**: Apply data quality and completeness processing to the token incentives data
- **Logic**: Take the daily aggregated and USD-converted staking rewards and apply a fill-forward strategy to handle any missing days in the data series. This ensures continuous data availability by carrying forward the last known value for any gaps in the daily sequence. Apply chain availability filtering to restrict results to approved time periods and chains.
- **Key fields**: The same fields as Component B but with any data gaps filled using the fill-forward methodology

### Final aggregation
- **Combining components**: The expenses metric directly uses the processed token incentives values, treating staking rewards as protocol operational expenses since they represent the cost of maintaining network security and participation incentives
- **Currency conversion**: USD conversion occurs at the daily aggregation stage using CoinGecko end-of-day price feeds for the AVT token, ensuring consistent valuation timing
- **Time aggregation**: Daily boundaries are established using timestamp truncation, with all events within a calendar day summed together
- **Final calculation**: The final expenses value equals the daily sum of all staking rewards converted to USD. A fill-zeros strategy is applied to ensure complete time series data, setting expense values to zero for any days with no recorded staking rewards. Chain availability filters are applied to restrict results to approved chains and time periods.

*This methodology was automatically generated by Token Terminal's methodology analyzer.*

Total project operating and incentive expenses.

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