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paybackOnBehalfOf added - Avalanche

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This commit is contained in:
Shriya Tyagi 2022-04-29 01:43:56 +04:00
parent a3e48cc909
commit dc02452a22
3 changed files with 71 additions and 3 deletions
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8
contracts/avalanche/connectors/aave/v3/events.sol
View File

@ -54,4 +54,12 @@ contract Events {
uint256 getId,
uint256 setId
);
event LogPaybackOnBehalfOf(
address token,
uint256 amt,
uint256 rateMode,
address onBehalfOf,
uint256 getId,
uint256 setId
);
}

21
contracts/avalanche/connectors/aave/v3/helpers.sol
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@ -25,7 +25,7 @@ abstract contract Helpers is DSMath, Basic {
/**
* @dev Checks if collateral is enabled for an asset
* @param token token address of the asset.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param token token address of the asset.(For avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
*/
function getIsColl(address token) internal view returns (bool isCol) {
@ -37,7 +37,7 @@ abstract contract Helpers is DSMath, Basic {
/**
* @dev Get total debt balance & fee for an asset
* @param token token address of the debt.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param token token address of the debt.(For avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param rateMode Borrow rate mode (Stable = 1, Variable = 2)
*/
function getPaybackBalance(address token, uint256 rateMode)
@ -50,9 +50,24 @@ abstract contract Helpers is DSMath, Basic {
return rateMode == 1 ? stableDebt : variableDebt;
}
/**
* @dev Get OnBehalfOf user's total debt balance & fee for an asset
* @param token token address of the debt.(For avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param rateMode Borrow rate mode (Stable = 1, Variable = 2)
*/
function getOnBehalfOfPaybackBalance(address token, uint256 rateMode, address onBehalfOf)
internal
view
returns (uint256)
{
(, uint256 stableDebt, uint256 variableDebt, , , , , , ) = aaveData
.getUserReserveData(token, onBehalfOf);
return rateMode == 1 ? stableDebt : variableDebt;
}
/**
* @dev Get total collateral balance for an asset
* @param token token address of the collateral.(For ETH: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param token token address of the collateral.(For avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
*/
function getCollateralBalance(address token)
internal

45
contracts/avalanche/connectors/aave/v3/main.sol
View File

@ -313,6 +313,51 @@ abstract contract AaveResolver is Events, Helpers {
_eventParam = abi.encode(token, _amt, rateMode, getId, setId);
}
/**
* @dev Payback borrowed avax/ERC20_Token on behalf of a user.
* @notice Payback debt owed on behalf os a user.
* @param token The address of the token to payback.(For avax: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
* @param amt The amount of the token to payback. (For max: `uint256(-1)`)
* @param rateMode The type of debt paying back. (For Stable: 1, Variable: 2)
* @param onBehalfOf Address of user who's debt to repay.
* @param getId ID to retrieve amt.
* @param setId ID stores the amount of tokens paid back.
*/
function paybackOnBehalfOf(
address token,
uint256 amt,
uint256 rateMode,
address onBehalfOf,
uint256 getId,
uint256 setId
)
external
payable
returns (string memory _eventName, bytes memory _eventParam)
{
uint256 _amt = getUint(getId, amt);
AaveInterface aave = AaveInterface(aaveProvider.getPool());
bool isAVAX = token == avaxAddr;
address _token = isAVAX ? wavaxAddr : token;
TokenInterface tokenContract = TokenInterface(_token);
_amt = _amt == uint256(-1) ? getOnBehalfOfPaybackBalance(_token, rateMode, onBehalfOf) : _amt;
if (isAVAX) convertAvaxToWavax(isAVAX, tokenContract, _amt);
approve(tokenContract, address(aave), _amt);
aave.repay(_token, _amt, rateMode, onBehalfOf);
setUint(setId, _amt);
_eventName = "LogPaybackOnBehalfOf(address,uint256,uint256,address,uint256,uint256)";
_eventParam = abi.encode(token, _amt, rateMode, onBehalfOf, getId, setId);
}
/**
* @dev Enable collateral
* @notice Enable an array of tokens as collateral