Keeper contract architecture

MarginlyKeeper

Contract helper for Marginly position liquidators.

It makes liquidations utilizing AAVE flashloans

Profit

event Profit(address liquidatedPosition, address token, uint256 amount)

Emitted when liquidation occurs

Parameters

Name	Type	Description
liquidatedPosition	address	liquidated position
token	address	profit token
amount	uint256	profit amount

LiquidationParams

struct LiquidationParams {
  address marginlyPool;
  address positionToLiquidate;
  address liquidator;
  uint256 minProfit;
}

ADDRESSES_PROVIDER

contract IPoolAddressesProvider ADDRESSES_PROVIDER

POOL

contract IPool POOL

constructor

constructor(address addressesProvider) public

flashLoan

function flashLoan(address asset, uint256 amount, uint16 referralCode, address marginlyPool, address positionToLiquidate, uint256 minProfit) external

Takes a simple flashloan in AAVE v3 protocol to liquidate a position in Marginly

Parameters

Name	Type	Description
asset	address	borrow asset
amount	uint256	borrow amount
referralCode	uint16	referral code to get rewards in AAVE
marginlyPool	address	address of marginly pool
positionToLiquidate	address	address of liquidatable position in Marginly pool
minProfit	uint256	amount of minimum profit worth in borrow asset

executeOperation

function executeOperation(address asset, uint256 amount, uint256 premium, address initiator, bytes data) external returns (bool)

Executes an operation after receiving the flash-borrowed asset

Ensure that the contract can return the debt + premium, e.g., has enough funds to repay and has approved the Pool to pull the total amount

Parameters

Name	Type	Description
asset	address	The address of the flash-borrowed asset
amount	uint256	The amount of the flash-borrowed asset
premium	uint256	The fee of the flash-borrowed asset
initiator	address	The address of the flashloan initiator
data	bytes

Return Values

Name	Type	Description
[0]	bool	True if the execution of the operation succeeds, false otherwise