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refactor: optimization on getUserAccountData()

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This commit is contained in:
The3D 2021-06-28 14:30:07 +02:00
parent 71b3b77677
commit d2d7e48ee3
1 changed files with 19 additions and 10 deletions
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29
contracts/protocol/libraries/logic/GenericLogic.sol
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@ -48,11 +48,12 @@ library GenericLogic {
uint256 normalizedIncome;
uint256 normalizedDebt;
uint256 exposureCap;
uint256 aTokenSupply;
bool healthFactorBelowThreshold;
address currentReserveAddress;
bool usageAsCollateralEnabled;
bool userUsesReserveAsCollateral;
bool exposureCapped;
bool exposureCapCrossed;
}
/**
@ -109,20 +110,28 @@ library GenericLogic {
vars.assetPrice = IPriceOracleGetter(oracle).getAssetPrice(vars.currentReserveAddress);
if (vars.liquidationThreshold != 0 && userConfig.isUsingAsCollateral(vars.i)) {
vars.userBalance = IScaledBalanceToken(currentReserve.aTokenAddress).scaledBalanceOf(user);
if (vars.userBalance > 0) {
vars.normalizedIncome = currentReserve.getNormalizedIncome();
vars.normalizedIncome = currentReserve.getNormalizedIncome();
if (vars.exposureCap != 0) {
(vars.userBalance, vars.aTokenSupply) = IScaledBalanceToken(currentReserve.aTokenAddress)
.getScaledUserBalanceAndSupply(user);
vars.userBalance = vars.userBalance.rayMul(vars.normalizedIncome);
vars.aTokenSupply = vars.aTokenSupply.rayMul(vars.normalizedIncome);
} else {
vars.userBalance = IScaledBalanceToken(currentReserve.aTokenAddress).scaledBalanceOf(
user
);
vars.aTokenSupply = 0;
}
vars.userBalanceETH = vars.assetPrice.mul(vars.userBalance).div(vars.assetUnit);
vars.totalCollateralInETH = vars.totalCollateralInETH.add(vars.userBalanceETH);
vars.exposureCapped =
vars.exposureCapCrossed =
vars.exposureCap != 0 &&
IERC20(currentReserve.aTokenAddress).totalSupply().div(10**vars.decimals) >
vars.exposureCap;
vars.avgLtv = vars.avgLtv.add(vars.exposureCapped ? 0 : vars.userBalanceETH.mul(vars.ltv));
vars.aTokenSupply.div(10**vars.decimals) > vars.exposureCap;
vars.avgLtv = vars.avgLtv.add(vars.exposureCapCrossed ? 0 : vars.userBalanceETH.mul(vars.ltv));
vars.avgLiquidationThreshold = vars.avgLiquidationThreshold.add(
vars.userBalanceETH.mul(vars.liquidationThreshold)
);
@ -206,7 +215,7 @@ library GenericLogic {
}
/**
* @dev proxy call for calculateUserAccountData as external function.
* @dev proxy call for calculateUserAccountData as external function.
* Used in LendingPool to work around contract size limit issues
* @param user The address of the user
* @param reservesData Data of all the reserves