Trait stable_swap_math::math::FeeCalculator

source · [−]

pub trait FeeCalculator {
    fn admin_trade_fee(&self, fee_amount: u64) -> Option<u64>;
    fn admin_withdraw_fee(&self, fee_amount: u64) -> Option<u64>;
    fn trade_fee(&self, trade_amount: u64) -> Option<u64>;
    fn withdraw_fee(&self, withdraw_amount: u64) -> Option<u64>;
    fn normalized_trade_fee(&self, n_coins: u8, amount: u64) -> Option<u64>;
}

Expand description

Calculates fees.

Required methods

fn admin_trade_fee(&self, fee_amount: u64) -> Option<u64>

Applies the admin trade fee.

fn admin_withdraw_fee(&self, fee_amount: u64) -> Option<u64>

Applies the admin withdraw fee.

fn trade_fee(&self, trade_amount: u64) -> Option<u64>

Applies the trade fee.

fn withdraw_fee(&self, withdraw_amount: u64) -> Option<u64>

Applies the withdraw fee.

fn normalized_trade_fee(&self, n_coins: u8, amount: u64) -> Option<u64>

Applies the normalized trade fee.

Implementations on Foreign Types

impl FeeCalculator for Fees

fn admin_trade_fee(&self, fee_amount: u64) -> Option<u64>

Apply admin trade fee

fn admin_withdraw_fee(&self, fee_amount: u64) -> Option<u64>

Apply admin withdraw fee

fn trade_fee(&self, trade_amount: u64) -> Option<u64>

Compute trade fee from amount

fn withdraw_fee(&self, withdraw_amount: u64) -> Option<u64>

Compute withdraw fee from amount

fn normalized_trade_fee(&self, n_coins: u8, amount: u64) -> Option<u64>

Compute normalized fee for symmetric/asymmetric deposits/withdraws

Implementors