Struct ExitFeeHook 

pub struct ExitFeeHook { /* private fields */ }

Exit fee hook implementation This hook implements the ExitFeeHookExample found in mono-repo: https://github.com/balancer/balancer-v3-monorepo/blob/c848c849cb44dc35f05d15858e4fba9f17e92d5f/pkg/pool-hooks/contracts/ExitFeeHookExample.sol

Implementations

impl ExitFeeHook

pub fn new() -> Self

Trait Implementations

impl Default for ExitFeeHook

fn default() -> Self

Returns the “default value” for a type.

impl HookBase for ExitFeeHook

fn hook_type(&self) -> &str

Get the hook type

fn config(&self) -> &HookConfig

Get the hook configuration

fn on_after_remove_liquidity( &self, kind: RemoveLiquidityKind, _bpt_amount_in: &U256, _amounts_out_scaled_18: &[U256], amounts_out_raw: &[U256], _balances_scaled_18: &[U256], hook_state: &HookState, ) -> AfterRemoveLiquidityResult

Process after remove liquidity (matches Python on_after_remove_liquidity)

fn on_before_add_liquidity( &self, kind: AddLiquidityKind, max_amounts_in_scaled_18: &[U256], min_bpt_amount_out: &U256, balances_scaled_18: &[U256], hook_state: &HookState, ) -> BeforeAddLiquidityResult

Process before add liquidity (matches Python on_before_add_liquidity)

fn on_after_add_liquidity( &self, kind: AddLiquidityKind, amounts_in_scaled_18: &[U256], amounts_in_raw: &[U256], bpt_amount_out: &U256, balances_scaled_18: &[U256], hook_state: &HookState, ) -> AfterAddLiquidityResult

Process after add liquidity (matches Python on_after_add_liquidity)

fn on_before_remove_liquidity( &self, kind: RemoveLiquidityKind, max_bpt_amount_in: &U256, min_amounts_out_scaled_18: &[U256], balances_scaled_18: &[U256], hook_state: &HookState, ) -> BeforeRemoveLiquidityResult

Process before remove liquidity (matches Python on_before_remove_liquidity)

fn on_before_swap( &self, swap_params: &SwapParams, hook_state: &HookState, ) -> BeforeSwapResult

Process before swap (matches Python on_before_swap)

fn on_after_swap( &self, after_swap_params: &AfterSwapParams, hook_state: &HookState, ) -> AfterSwapResult

Process after swap (matches Python on_after_swap)

fn on_compute_dynamic_swap_fee( &self, swap_params: &SwapParams, static_swap_fee_percentage: &U256, hook_state: &HookState, ) -> DynamicSwapFeeResult

Compute dynamic swap fee (matches Python on_compute_dynamic_swap_fee)