Mantra is a Decentralized Exchange (DEX), initially built on Ethereum and upgraded to the Mantra Chain, a blockchain built on the Cosmos SDK.

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MANTRA

# MANTRA Fees Methodology

## 1. Overview

Fees measures the total value paid by users across the MANTRA ecosystem, including Mantra Chain, Mantra Zone, and Mantra EVM. Total fee revenue is measured by aggregating transaction fees, trading fees, and gas fees from these distinct layers into a single daily USD-denominated metric. Insights into network usage and economic activity are provided by measuring the total economic value generated by all network activities.

## 2. Data sources

- **Blockchain events**: `wasm` events and `execute_swap_operations` actions from `message_events`, plus transaction records from `transactions` sources, covering Mantra Chain and Mantra EVM
- **External data**: End-of-day price feeds and asset metadata including decimal precision

## 3. Step-by-step calculation

### Component A: Mantra Chain transaction fees

- **Purpose**: Captures fees paid for native Mantra Chain transactions including base transaction fees and optional tips.
- **Logic**: Transaction records are filtered from Mantra Chain data. For each transaction, the `transaction_fee` and `transaction_tip` fields are extracted and normalized by decimal precision. Prior to the v7.0.0 migration at block 13,000,000, fees are normalized by 6 decimal places and converted to USD using price feeds for the 'mantra-dao' asset identifier. Following the migration, fees are normalized by 18 decimal places and converted using price feeds for the 'mantra' asset identifier. Total fees are aggregated daily.
- **Key fields**: `transaction_fee` and `transaction_tip` represent the base fee and optional tip amounts, `block_timestamp` for daily aggregation.

### Component B: Mantra Zone trading fees

- **Purpose**: Captures fees generated from trading activity on the Mantra Zone decentralized exchange.
- **Logic**: DEX swap events are extracted from `message_events` by filtering for specific Mantra Zone contract addresses and the `execute_swap_operations` action. JSON event attributes are parsed to extract swap details including pool information, swap amounts, and three distinct fee components. `burn_fee`, `protocol_fee`, and `swap_fee` amounts are extracted via regular expressions along with the fee asset denomination. Each fee amount is converted to USD by multiplying by the end-of-day price and is normalized by decimal precision. All three fee types are summed for each swap event and aggregated daily.
- **Key fields**: `burn_fee`, `protocol_fee`, and `swap_fee` extracted from JSON swap attributes, `fee_token` identifying the denomination.

### Component C: Mantra EVM gas fees

- **Purpose**: Captures gas fees from transactions executed on the Mantra EVM layer.
- **Logic**: EVM transaction records are processed to calculate gas fees. For each transaction, the `gas_used` amount is multiplied by the `effective_gas_price` to determine the total gas fee. The `effective_gas_price` is normalized by decimal precision. The resulting gas fees are aggregated daily and converted to USD using end-of-day price feeds for the native asset.
- **Key fields**: `gas_used` representing computational resources consumed, `effective_gas_price` as the actual price paid per gas unit.

### Component D: Final aggregation and USD conversion

- **Purpose**: Combines all fee components into a standardized daily metric.
- **Logic**: The three fee components are combined where each maintains its daily timestamp, chain identifier, and product classification (Mantra Chain, Mantra Zone, or Mantra EVM). DEX fees are pre-summed while Mantra Chain and Mantra EVM fees are maintained as separate line items. All components are converted to USD using end-of-day price feeds matched by timestamp and asset identifier. Data is aggregated to daily boundaries using UTC day boundaries to represent the sum of all fee types across the ecosystem.

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

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

MANTRAMANTRA

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Fees

Fees

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