Overview

The Dynamic Fees module provides asset price management functionality that works in cooperation with the fee market module. It maintains a list of asset prices denominated in NTRN tokens to enable dynamic fee calculations and conversions.

Key Features

• Asset Price Management: Maintains a registry of asset prices denominated in NTRN tokens

• Fee Market Integration: Works cooperatively with the fee market module to enable dynamic fee calculations

• Price Conversion: Provides data source for converting gas prices from the fee market's base denomination (untrn) into various assets

• Governance Control: All price updates require governance approval to ensure network stability

Module Functionality

The Dynamic Fees module operates through the following workflow:

1. Price Registry: Maintains a list of asset prices (ntrn_prices) that represents the value of various tokens relative to NTRN

2. Fee Market Cooperation: The fee market module uses these prices as a data source for dynamic fee calculations

3. Price Conversion: Enables conversion of gas prices from the base denomination (untrn) into other supported assets

4. Governance Updates: Price updates are managed through governance proposals to ensure community consensus

Parameters

The module maintains the following parameters:

NTRN Prices

message Params {
  // List of asset prices by the NTRN
  // it's used in cooperation with feemarket module
  // ntrn_prices is a data source to convert gas_price from feemarket's base_denom (untrn)
  // into a given asset
  repeated cosmos.base.v1beta1.DecCoin ntrn_prices = 1;
}

Integration with Fee Market

The Dynamic Fees module is designed to work alongside Neutron's fee market implementation:

• Base Denomination: The fee market uses untrn as its base denomination
• Price Source: Dynamic Fees provides the price data needed for conversions
• Multi-Asset Support: Enables fee payments in various supported assets
• Dynamic Pricing: Supports real-time price adjustments through governance

Use Cases

For Network Operators

• Fee Optimization: Enables more flexible fee structures
• Multi-Asset Support: Allows users to pay fees in different tokens
• Price Stability: Provides mechanism for maintaining stable fee costs

For Users

• Payment Flexibility: Option to pay fees in various supported assets
• Predictable Costs: More stable fee calculations based on asset prices
• Transparent Pricing: Clear price ratios for different assets

For Governance

• Price Control: Community control over asset price ratios
• Network Tuning: Ability to adjust pricing for network optimization
• Economic Policy: Implementation of tokenomics through price management

This module is essential for Neutron's advanced fee market functionality, enabling sophisticated fee structures while maintaining community governance over critical pricing parameters.