DepletedAssetUtils

Git Source

State Variables

BUFFER

uint256 public constant BUFFER = 95;

FEE

uint256 public constant FEE = 3;

Functions

computeExpectedSwapInAmount

function computeExpectedSwapInAmount(
    uint256 swapAmountOut,
    uint256 reserveIn,
    uint256 reserveOut,
    uint256 missingIn,
    uint256 missingOut
) public pure returns (uint256 swapAmountIn);

computeExpectedSwapOutAmount

function computeExpectedSwapOutAmount(
    uint256 swapAmountIn,
    uint256 reserveIn,
    uint256 reserveOut,
    uint256 missingIn,
    uint256 missingOut
) public pure returns (uint256 expectedSwapOut);

computeCurve

See Desmos chart functions C_X and C_y for https://www.Desmos.com/calculator/22bdlqiazt

function computeCurve(
    uint256 a,
    uint256 reserveA,
    uint256 reserveB,
    uint256 missingA,
    uint256 missingB,
    uint256 decimals
) public pure returns (uint256 b);

Parameters

Name	Type	Description
a	uint256	starting value x or y
reserveA	uint256	reserve for start asset
reserveB	uint256	reserve for end asset
missingA	uint256	missing for start asset
missingB	uint256	missing for end asset
decimals	uint256	decimals when a is passed in with additional precision due to fees

Returns

Name	Type	Description
b	uint256	ending value y or x

computeAmountsForRepayLiquidity

function computeAmountsForRepayLiquidity(
    uint256 liquidity,
    uint256 missingX,
    uint256 missingY,
    uint256 reserveX,
    uint256 reserveY,
    uint256 activeLiquidity_
) public pure returns (uint256 amountX, uint256 amountY);

computeAmountForRepayLiquidity

function computeAmountForRepayLiquidity(
    uint256 liquidity,
    uint256 missing_,
    uint256 reserve_,
    uint256 activeLiquidity_
) private pure returns (uint256 amount_);

actualToAdjusted

See Desmos chart functions X_A or Y_A for https://www.Desmos.com/calculator/22bdlqiazt private due to modifications of equations for preserving precision.

function actualToAdjusted(uint256 actual, uint256 missing) private pure returns (uint256 adjusted);

Parameters

Name	Type	Description
actual	uint256	actual x or y
missing	uint256	missing assets associated with actual

adjustedToActual

See Desmos chart functions X_I or Y_I for https://www.Desmos.com/calculator/22bdlqiazt inverse of actualToAdjusted private due to modifications of equations for preserving precision.

function adjustedToActual(uint256 adjusted, uint256 missing) private pure returns (uint256 actual);

Parameters

Name	Type	Description
adjusted	uint256	adjusted value of X
missing	uint256	missing assets associated with adjusted

Errors

MissingOutGteReserveOut

error MissingOutGteReserveOut();

MissingGteActual

error MissingGteActual();