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# Etherex xRex staked Methodology

## 1. Overview

The xREX staked metric measures the total amount of xREX tokens currently staked in the Etherex protocol's voting module. This metric tracks the aggregate staked balance across all users by monitoring deposit and withdrawal events from the protocol's VoteModule contract on Linea. The calculation maintains a running balance of staked tokens by processing all historical staking and unstaking transactions, then aggregating individual user balances to produce the total protocol-wide staked amount.

## 2. Data sources

- **Linea blockchain event logs**: Parsed `VoteModule_Deposit` and `VoteModule_Withdraw` events from the Etherex protocol's VoteModule contract
- **End-of-day token price feeds**: Daily USD price data for xREX token conversion
- **Token metadata**: Decimal precision data for proper amount calculation and normalization

## 3. Step-by-step calculation

### Component A: Stake event extraction
- **Purpose**: Captures all xREX token staking transactions from the VoteModule contract
- **Logic**: Extracts `VoteModule_Deposit` events from Linea blockchain logs, filtering out any reverted transactions. Each event contains the user address (`from` field), token address, and staked amount. The events are standardized with chain identifier, product identifier, and version information.
- **Key fields**: `block_timestamp`, `account_address`, `token_address` (set to `0xc93b315971a4f260875103f5da84cb1e30f366cc`), `amount`

### Component B: Unstake event extraction  
- **Purpose**: Captures all xREX token unstaking transactions from the VoteModule contract
- **Logic**: Extracts `VoteModule_Withdraw` events from Linea blockchain logs, filtering out any reverted transactions. Uses the same field structure as stake events but represents token withdrawals. The events include user address, token address, and withdrawn amount.
- **Key fields**: `block_timestamp`, `account_address`, `token_address`, `amount`

### Component C: Balance calculation by user
- **Purpose**: Calculates individual user staked balances over time by combining stake and unstake events
- **Logic**: Combines stake and unstake events into a single dataset, negating unstake amounts to represent outflows. Groups transactions by day and user to calculate daily net balance changes. Applies cumulative sum window functions partitioned by user and token to maintain running balances. Uses forward-fill strategy to ensure continuous time series data with no gaps in the historical record.
- **Key fields**: `timestamp` (daily), `account_address`, `staked_supply` (cumulative balance per user)

### Final aggregation
- **Combining components**: Sums individual user staked balances across all users to calculate total protocol staked amount
- **Currency conversion**: Applies decimal correction using token metadata and converts to USD using end-of-day price feeds via the `convert_to_usd_and_correct_decimals` macro
- **Time aggregation**: Maintains daily granularity with forward-fill strategy to handle missing dates
- **Final calculation**: The metric represents the total USD value of all xREX tokens currently staked in the Etherex protocol's VoteModule, calculated as the sum of all positive user balances after processing all historical deposit and withdrawal events

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

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