AaveV3Lender

AaveV3Lender

POOL

contract IPool POOL

The AAVE pool retrieved from the pool provider.

ADDRESS_PROVIDER

contract IPoolAddressesProvider ADDRESS_PROVIDER

The AAVE pool address provider.

constructor

constructor(address addressesProvider) public

contract's constructor

Parameters

Name	Type	Description
addressesProvider	address	address of AAVE's address provider

_approveLender

function _approveLender(contract IERC20 token, uint256 amount) internal

allows this contract to approve the POOL to transfer some underlying asset on its behalf

this is a necessary step prior to supplying tokens to the POOL or to repay a debt

Parameters

Name	Type	Description
token	contract IERC20	the underlying asset for which approval is required
amount	uint256	the approval amount

_exitMarket

function _exitMarket(contract IERC20 underlying) internal

prevents the POOL from using some underlying as collateral

this call will revert if removing the asset from collateral would put the account into a liquidation state

Parameters

Name	Type	Description
underlying	contract IERC20	the token one wishes to remove collateral

_enterMarkets

function _enterMarkets(contract IERC20[] underlyings) internal

allows the POOL to use some underlying tokens as collateral

when supplying a token for the first time, it is automatically set as possible collateral so there is no need to call this function for it.

Parameters

Name	Type	Description
underlyings	contract IERC20[]	the token one wishes to add as collateral

overlying

function overlying(contract IERC20 asset) public view returns (contract IERC20 aToken)

convenience function to obtain the overlying of a given asset

Parameters

Name	Type	Description
asset	contract IERC20	the underlying asset

Return Values

Name	Type	Description
aToken	contract IERC20	the overlying asset

_redeem

function _redeem(contract IERC20 token, uint256 amount, address to) internal returns (uint256 redeemed)

redeems funds from the pool

Parameters

Name	Type	Description
token	contract IERC20	the asset one is trying to redeem
amount	uint256	of assets one wishes to redeem
to	address	is the address where the redeemed assets should be transferred

Return Values

Name	Type	Description
redeemed	uint256	the amount of asset that were transferred to to

_supply

function _supply(contract IERC20 token, uint256 amount, address onBehalf, bool noRevert) internal returns (bytes32)

supplies funds to the pool

Parameters

Name	Type	Description
token	contract IERC20	the asset one is supplying
amount	uint256	of assets to be transferred to the pool
onBehalf	address	address of the account whose collateral is being supplied to and which will receive the overlying
noRevert	bool	does not revert if supplies throws

Return Values

Name	Type	Description
[0]	bytes32	reason for revert from Aave.

_claimRewards

function _claimRewards(address[] assets, address to) internal returns (address[] rewardsList, uint256[] claimedAmounts)

rewards claiming.

Parameters

Name	Type	Description
assets	address[]	list of overlying for which one is claiming awards
to	address	whom the rewards should be sent

Return Values

Name	Type	Description
rewardsList	address[]	the address of assets that have been claimed
claimedAmounts	uint256[]	the amount of assets that have been claimed

checkAsset

function checkAsset(contract IERC20 asset) public view returns (bool)

verifies whether an asset can be supplied on pool

Parameters

Name	Type	Description
asset	contract IERC20	the asset one wants to lend

Return Values

Name	Type	Description
[0]	bool	true if the asset can be supplied on pool