PositionsManager

Inherits: IPositionsManager, PositionsManagerInternal

Author: Morpho Labs

Abstract contract exposing logic functions delegate-called by the Morpho contract.

Functions

supplyLogic

Implements the supply logic.

function supplyLogic(address underlying, uint256 amount, address from, address onBehalf, uint256 maxIterations)
    external
    returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to supply.
`amount`	`uint256`	The amount of `underlying` to supply.
`from`	`address`	The address to transfer the underlying from.
`onBehalf`	`address`	The address that will receive the supply position.
`maxIterations`	`uint256`	The maximum number of iterations allowed during the matching process.

Returns

Name	Type	Description
`<none>`	`uint256`	The amount supplied (in underlying).

supplyCollateralLogic

Implements the supply collateral logic.

Relies on Aave to check the supply cap when supplying collateral.

function supplyCollateralLogic(address underlying, uint256 amount, address from, address onBehalf)
    external
    returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to supply.
`amount`	`uint256`	The amount of `underlying` to supply.
`from`	`address`	The address to transfer the underlying from.
`onBehalf`	`address`	The address that will receive the collateral position.

Returns

Name	Type	Description
`<none>`	`uint256`	The collateral amount supplied (in underlying).

borrowLogic

Implements the borrow logic.

function borrowLogic(address underlying, uint256 amount, address borrower, address receiver, uint256 maxIterations)
    external
    returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to borrow.
`amount`	`uint256`	The amount of `underlying` to borrow.
`borrower`	`address`	The address that will receive the debt position.
`receiver`	`address`	The address that will receive the borrowed funds.
`maxIterations`	`uint256`	The maximum number of iterations allowed during the matching process.

Returns

Name	Type	Description
`<none>`	`uint256`	The amount borrowed (in underlying).

repayLogic

Implements the repay logic.

function repayLogic(address underlying, uint256 amount, address repayer, address onBehalf) external returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to borrow.
`amount`	`uint256`	The amount of `underlying` to repay.
`repayer`	`address`	The address that repays the underlying debt.
`onBehalf`	`address`	The address whose position will be repaid.

Returns

Name	Type	Description
`<none>`	`uint256`	The amount repaid (in underlying).

withdrawLogic

Implements the withdraw logic.

function withdrawLogic(address underlying, uint256 amount, address supplier, address receiver, uint256 maxIterations)
    external
    returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to withdraw.
`amount`	`uint256`	The amount of `underlying` to withdraw.
`supplier`	`address`	The address whose position will be withdrawn.
`receiver`	`address`	The address that will receive the withdrawn funds.
`maxIterations`	`uint256`	The maximum number of iterations allowed during the matching process.

Returns

Name	Type	Description
`<none>`	`uint256`	The amount withdrawn (in underlying).

withdrawCollateralLogic

Implements the withdraw collateral logic.

function withdrawCollateralLogic(address underlying, uint256 amount, address supplier, address receiver)
    external
    returns (uint256);

Parameters

Name	Type	Description
`underlying`	`address`	The address of the underlying asset to withdraw.
`amount`	`uint256`	The amount of `underlying` to withdraw.
`supplier`	`address`	The address whose position will be withdrawn.
`receiver`	`address`	The address that will receive the withdrawn funds.

Returns

Name	Type	Description
`<none>`	`uint256`	The collateral amount withdrawn (in underlying).

liquidateLogic

Implements the liquidation logic.

function liquidateLogic(
    address underlyingBorrowed,
    address underlyingCollateral,
    uint256 amount,
    address borrower,
    address liquidator
) external returns (uint256, uint256);

Parameters

Name	Type	Description
`underlyingBorrowed`	`address`	The address of the underlying borrowed to repay.
`underlyingCollateral`	`address`	The address of the underlying collateral to seize.
`amount`	`uint256`	The amount of `underlyingBorrowed` to repay.
`borrower`	`address`	The address of the borrower to liquidate.
`liquidator`	`address`	The address that will liquidate the borrower.

Returns

Name	Type	Description
`<none>`	`uint256`	The `underlyingBorrowed` amount repaid (in underlying) and the `underlyingCollateral` amount seized (in underlying).
`<none>`	`uint256`