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feat: added fees for flashloans mode debt

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This commit is contained in:
Hadrien Charlanes 2021-05-14 17:46:26 +02:00
parent 717db22980
commit 2168a627eb
1 changed files with 21 additions and 18 deletions
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39
contracts/protocol/lendingpool/LendingPool.sol
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@ -436,6 +436,7 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
uint256 currentAmountPlusPremium;
address debtToken;
uint256 flashloanPremiumTotal;
bool isDebtMode;
}
/**
@ -492,26 +493,28 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
vars.currentPremium = premiums[vars.i];
vars.currentATokenAddress = aTokenAddresses[vars.i];
vars.currentAmountPlusPremium = vars.currentAmount.add(vars.currentPremium);
vars.isDebtMode =
DataTypes.InterestRateMode(modes[vars.i]) != DataTypes.InterestRateMode.NONE;
if (DataTypes.InterestRateMode(modes[vars.i]) == DataTypes.InterestRateMode.NONE) {
_reserves[vars.currentAsset].updateState();
_reserves[vars.currentAsset].cumulateToLiquidityIndex(
IERC20(vars.currentATokenAddress).totalSupply(),
vars.currentPremium
);
_reserves[vars.currentAsset].updateInterestRates(
vars.currentAsset,
vars.currentATokenAddress,
vars.currentAmountPlusPremium,
0
);
_reserves[vars.currentAsset].updateState();
_reserves[vars.currentAsset].cumulateToLiquidityIndex(
IERC20(vars.currentATokenAddress).totalSupply(),
vars.currentPremium
);
_reserves[vars.currentAsset].updateInterestRates(
vars.currentAsset,
vars.currentATokenAddress,
vars.currentAmountPlusPremium,
0
);
IERC20(vars.currentAsset).safeTransferFrom(
receiverAddress,
vars.currentATokenAddress,
vars.currentAmountPlusPremium
);
} else {
IERC20(vars.currentAsset).safeTransferFrom(
receiverAddress,
vars.currentATokenAddress,
vars.isDebtMode ? vars.currentPremium : vars.currentAmountPlusPremium
);
if (vars.isDebtMode) {
// If the user chose to not return the funds, the system checks if there is enough collateral and
// eventually opens a debt position
_executeBorrow(