FlashLoanBase

Inherits: IERC3156FlashBorrower, IMorphoFlashLoanCallback

Title: FlashLoanBase

Abstract base for flash loan borrowers with validation logic.

Supports both Morpho flash loans and ERC-3156 flash mints.

State Variables

ERC-3156 callback success return value.

bytes32 internal constant CALLBACK_SUCCESS = keccak256("ERC3156FlashBorrower.onFlashLoan")

Validates ERC-3156 flash loan callback parameters.

function _validateFlashLoan(
    address lender,
    address expectedLender,
    address initiator
) internal view;

Parameters

Name	Type	Description
`lender`	`address`	Actual msg.sender.
`expectedLender`	`address`	Expected flash lender address.
`initiator`	`address`	Initiator passed to callback (must be this contract).

Validates that msg.sender is the expected lender.

function _validateLender(
    address lender,
    address expectedLender
) internal pure;

Parameters

Name	Type	Description
`lender`	`address`	Actual msg.sender.
`expectedLender`	`address`	Expected flash lender address.

Thrown when flash loan callback called by wrong lender.

error FlashLoan__InvalidLender();

Thrown when flash loan initiator is not this contract.

error FlashLoan__InvalidInitiator();

Thrown when callback receives unknown operation type.

error FlashLoan__InvalidOperation();