DynamicFee

Git Source

Inherits:DexHelpers

Functions

constructor

constructor(uint256 _minFee, uint256 _maxFee, uint256 _minDeviation, uint256 _maxDeviation);

getDeviationFromPrice

Calculates the deviation from the given price.

function getDeviationFromPrice(uint256 price_) public view returns (uint256);

dynamicFeeFromPrice

Calculates the dynamic fee based on the given price.

function dynamicFeeFromPrice(uint256 price) external view returns (uint256);

dynamicFeeFromDeviation

Calculates the dynamic fee based on the given deviation.

function dynamicFeeFromDeviation(uint256 deviation) external view returns (uint256);

_computeDynamicFee

Internal helper that implements a smooth-step curve for fee calculation

function _computeDynamicFee(uint256 deviation) internal view returns (uint256);

Parameters

Name	Type	Description
deviation	uint256	Deviation from the target price in SCALE (1e27)

Returns

Name	Type	Description
<none>	uint256	Fee in basis points (1e4 = 1%)

_scaleMul

function _scaleMul(uint256 a, uint256 b) internal pure returns (uint256);