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Skip interest accrual if already accrued in the same block #182

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merged 6 commits into from
Jul 31, 2023
Merged

Skip interest accrual if already accrued in the same block #182

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dae6eb4
refactor: skip interest accrual
makcandrov Jul 26, 2023
84f5948
Merge branch 'main' into refactor/skip-interest-accrual
makcandrov Jul 27, 2023
afce2f8
Merge branch 'main' into refactor/skip-interest-accrual
makcandrov Jul 28, 2023
1e28a92
style: remove early return
makcandrov Jul 31, 2023
ae177bf
Merge branch 'main' into refactor/skip-interest-accrual
makcandrov Jul 31, 2023
f5f40d2
Revert "style: remove early return"
makcandrov Jul 31, 2023
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6 changes: 5 additions & 1 deletion src/Blue.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -288,11 +288,15 @@ contract Blue is IFlashLender {
// Interests management.

function _accrueInterests(Market memory market, Id id) internal {
uint256 elapsed = block.timestamp - lastUpdate[id];

if (elapsed == 0) return;
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uint256 marketTotalBorrow = totalBorrow[id];

if (marketTotalBorrow != 0) {
uint256 borrowRate = market.irm.borrowRate(market);
uint256 accruedInterests = marketTotalBorrow.mulWadDown(borrowRate * (block.timestamp - lastUpdate[id]));
uint256 accruedInterests = marketTotalBorrow.mulWadDown(borrowRate * elapsed);
totalBorrow[id] = marketTotalBorrow + accruedInterests;
totalSupply[id] += accruedInterests;

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