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Blockchains (L2)

Boba Network

# Boba Network Fees Methodology

## 1. Overview

The Boba Network fees metric measures the total daily transaction fees paid by users on the Boba Network Layer 2 blockchain. This metric captures both L2 execution fees (for computation on Boba Network) and L1 data availability fees (for posting transaction data to Ethereum mainnet), providing a comprehensive view of the total cost users pay to transact on the network. The fees are denominated in ETH and converted to USD for reporting.

## 2. Data sources

- **Boba Network transaction records**: Raw transaction data from the Boba Network blockchain containing gas usage, gas prices, and Layer 1 fee components for each transaction
- **End-of-day price feeds**: ETH price data used to convert fee amounts from ETH to USD
- **Token metadata**: ETH token information including decimal precision for proper unit conversion

## 3. Step-by-step calculation

### Component A: Transaction data processing
- **Purpose**: Extract and standardize transaction-level fee data from Boba Network
- **Logic**: Process raw Boba Network transaction records to extract gas-related fields including `gas_used`, `gas_price`, `l1_gas_used`, `l1_gas_price`, `l1_fee_scalar`, and `l1_fee`. Set the fee token to ETH with the standard dead address (`0xdeaddeaddeaddeaddeaddeaddeaddeaddead0000`) and chain identifier as 'bobanetwork'
- **Key fields**: `block_timestamp` for timing, `gas_used` and `gas_price` for L2 fees, `l1_fee` and calculated L1 components for data availability costs, `token_address` hardcoded to ETH

### Component B: Daily gas fee aggregation  
- **Purpose**: Calculate daily total fees by combining L2 execution costs and L1 data availability costs
- **Logic**: Group transactions by day, token address, and chain. Calculate L2 gas fees by multiplying `gas_used` by `gas_price` and converting from wei to ETH (dividing by 1e18). For L1 gas fees, use the `l1_fee` field when available, otherwise calculate as (`l1_gas_used` * `l1_gas_price` * `l1_fee_scalar`) converted from wei to ETH. Sum all fee components by day
- **Key fields**: Daily `timestamp`, `l2_gas_fee` from L2 execution, `l1_gas_fee` from data availability costs, `token_address` for ETH, `chain` identifier

### Final aggregation
- **Combining components**: Sum L1 and L2 gas fees to create total daily fees (`l1_gas_fee + l2_gas_fee`)
- **Currency conversion**: Convert ETH-denominated fees to USD using end-of-day ETH price feeds, maintaining proper decimal precision
- **Time aggregation**: Aggregate fees by calendar day using timestamp truncation to day boundaries
- **Final calculation**: The final metric represents total daily fees paid by users in USD, including both Layer 2 execution costs and Layer 1 data availability costs, with missing days filled with zero values to maintain complete time series data

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

Total value users pay to use a protocol (gross fees, user-paid fees).

Boba NetworkBOBA

Fees

Fees

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