return early for amount=0 (#383)

* return early for amount=0 * add back natspec * update snapshots * optimize close
Uniswap · Oct 24, 2024 · 1b50ca2 · 1b50ca2
1 parent d084d9b
commit 1b50ca2
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Showing 60 changed files with 63 additions and 59 deletions.
diff --git a/.forge-snapshots/Payments_swap_settleFromCaller_takeAllToMsgSender.snap b/.forge-snapshots/Payments_swap_settleFromCaller_takeAllToMsgSender.snap
@@ -1 +1 @@
-129601
+129642
diff --git a/.forge-snapshots/Payments_swap_settleFromCaller_takeAllToSpecifiedAddress.snap b/.forge-snapshots/Payments_swap_settleFromCaller_takeAllToSpecifiedAddress.snap
@@ -1 +1 @@
-131664
+131705
diff --git a/.forge-snapshots/Payments_swap_settleWithBalance_takeAllToMsgSender.snap b/.forge-snapshots/Payments_swap_settleWithBalance_takeAllToMsgSender.snap
@@ -1 +1 @@
-123869
+123910
diff --git a/.forge-snapshots/Payments_swap_settleWithBalance_takeAllToSpecifiedAddress.snap b/.forge-snapshots/Payments_swap_settleWithBalance_takeAllToSpecifiedAddress.snap
@@ -1 +1 @@
-124011
+124052
diff --git a/.forge-snapshots/PositionManager_burn_nonEmpty_native_withClose.snap b/.forge-snapshots/PositionManager_burn_nonEmpty_native_withClose.snap
@@ -1 +1 @@
-125584
+125624
diff --git a/.forge-snapshots/PositionManager_burn_nonEmpty_native_withTakePair.snap b/.forge-snapshots/PositionManager_burn_nonEmpty_native_withTakePair.snap
@@ -1 +1 @@
-125031
+125106
diff --git a/.forge-snapshots/PositionManager_burn_nonEmpty_withClose.snap b/.forge-snapshots/PositionManager_burn_nonEmpty_withClose.snap
@@ -1 +1 @@
-132446
+132486
diff --git a/.forge-snapshots/PositionManager_burn_nonEmpty_withTakePair.snap b/.forge-snapshots/PositionManager_burn_nonEmpty_withTakePair.snap
@@ -1 +1 @@
-131893
+131968
diff --git a/.forge-snapshots/PositionManager_collect_native.snap b/.forge-snapshots/PositionManager_collect_native.snap
@@ -1 +1 @@
-146294
+146344
diff --git a/.forge-snapshots/PositionManager_collect_sameRange.snap b/.forge-snapshots/PositionManager_collect_sameRange.snap
@@ -1 +1 @@
-154872
+154922
diff --git a/.forge-snapshots/PositionManager_collect_withClose.snap b/.forge-snapshots/PositionManager_collect_withClose.snap
@@ -1 +1 @@
-154872
+154922
diff --git a/.forge-snapshots/PositionManager_collect_withTakePair.snap b/.forge-snapshots/PositionManager_collect_withTakePair.snap
@@ -1 +1 @@
-154193
+154287
diff --git a/.forge-snapshots/PositionManager_decreaseLiquidity_native.snap b/.forge-snapshots/PositionManager_decreaseLiquidity_native.snap
@@ -1 +1 @@
-111980
+112020
diff --git a/.forge-snapshots/PositionManager_decreaseLiquidity_withClose.snap b/.forge-snapshots/PositionManager_decreaseLiquidity_withClose.snap
@@ -1 +1 @@
-119753
+119803
diff --git a/.forge-snapshots/PositionManager_decreaseLiquidity_withTakePair.snap b/.forge-snapshots/PositionManager_decreaseLiquidity_withTakePair.snap
@@ -1 +1 @@
-119074
+119168
diff --git a/.forge-snapshots/PositionManager_decrease_burnEmpty.snap b/.forge-snapshots/PositionManager_decrease_burnEmpty.snap
@@ -1 +1 @@
-135243
+135283
diff --git a/.forge-snapshots/PositionManager_decrease_burnEmpty_native.snap b/.forge-snapshots/PositionManager_decrease_burnEmpty_native.snap
@@ -1 +1 @@
-128380
+128420
diff --git a/.forge-snapshots/PositionManager_decrease_sameRange_allLiquidity.snap b/.forge-snapshots/PositionManager_decrease_sameRange_allLiquidity.snap
@@ -1 +1 @@
-132440
+132490
diff --git a/.forge-snapshots/PositionManager_decrease_take_take.snap b/.forge-snapshots/PositionManager_decrease_take_take.snap
@@ -1 +1 @@
-120329
+120423
diff --git a/.forge-snapshots/PositionManager_increaseLiquidity_erc20_withClose.snap b/.forge-snapshots/PositionManager_increaseLiquidity_erc20_withClose.snap
@@ -1 +1 @@
-159057
+159083
diff --git a/.forge-snapshots/PositionManager_increaseLiquidity_erc20_withSettlePair.snap b/.forge-snapshots/PositionManager_increaseLiquidity_erc20_withSettlePair.snap
@@ -1 +1 @@
-157997
+158035
diff --git a/.forge-snapshots/PositionManager_increaseLiquidity_native.snap b/.forge-snapshots/PositionManager_increaseLiquidity_native.snap
@@ -1 +1 @@
-140872
+140898
diff --git a/.forge-snapshots/PositionManager_increase_autocompoundExcessFeesCredit.snap b/.forge-snapshots/PositionManager_increase_autocompoundExcessFeesCredit.snap
@@ -1 +1 @@
-177364
+177414
diff --git a/.forge-snapshots/PositionManager_mint_native.snap b/.forge-snapshots/PositionManager_mint_native.snap
@@ -1 +1 @@
-364745
+364771
diff --git a/.forge-snapshots/PositionManager_mint_nativeWithSweep_withClose.snap b/.forge-snapshots/PositionManager_mint_nativeWithSweep_withClose.snap
@@ -1 +1 @@
-373268
+373294
diff --git a/.forge-snapshots/PositionManager_mint_nativeWithSweep_withSettlePair.snap b/.forge-snapshots/PositionManager_mint_nativeWithSweep_withSettlePair.snap
@@ -1 +1 @@
-372491
+372529
diff --git a/.forge-snapshots/PositionManager_mint_onSameTickLower.snap b/.forge-snapshots/PositionManager_mint_onSameTickLower.snap
@@ -1 +1 @@
-317617
+317643
diff --git a/.forge-snapshots/PositionManager_mint_onSameTickUpper.snap b/.forge-snapshots/PositionManager_mint_onSameTickUpper.snap
@@ -1 +1 @@
-318287
+318313
diff --git a/.forge-snapshots/PositionManager_mint_sameRange.snap b/.forge-snapshots/PositionManager_mint_sameRange.snap
@@ -1 +1 @@
-243856
+243882
diff --git a/.forge-snapshots/PositionManager_mint_settleWithBalance_sweep.snap b/.forge-snapshots/PositionManager_mint_settleWithBalance_sweep.snap
@@ -1 +1 @@
-419060
+419098
diff --git a/.forge-snapshots/PositionManager_mint_warmedPool_differentRange.snap b/.forge-snapshots/PositionManager_mint_warmedPool_differentRange.snap
@@ -1 +1 @@
-323648
+323674
diff --git a/.forge-snapshots/PositionManager_mint_withClose.snap b/.forge-snapshots/PositionManager_mint_withClose.snap
@@ -1 +1 @@
-420170
+420196
diff --git a/.forge-snapshots/PositionManager_mint_withSettlePair.snap b/.forge-snapshots/PositionManager_mint_withSettlePair.snap
@@ -1 +1 @@
-419228
+419266
diff --git a/.forge-snapshots/PositionManager_multicall_initialize_mint.snap b/.forge-snapshots/PositionManager_multicall_initialize_mint.snap
@@ -1 +1 @@
-455975
+456001
diff --git a/.forge-snapshots/V4Router_Bytecode.snap b/.forge-snapshots/V4Router_Bytecode.snap
@@ -1 +1 @@
-7037
+7063
diff --git a/.forge-snapshots/V4Router_ExactIn1Hop_nativeIn.snap b/.forge-snapshots/V4Router_ExactIn1Hop_nativeIn.snap
@@ -1 +1 @@
-115708
+115753
diff --git a/.forge-snapshots/V4Router_ExactIn1Hop_nativeOut.snap b/.forge-snapshots/V4Router_ExactIn1Hop_nativeOut.snap
@@ -1 +1 @@
-116029
+116070
diff --git a/.forge-snapshots/V4Router_ExactIn1Hop_oneForZero.snap b/.forge-snapshots/V4Router_ExactIn1Hop_oneForZero.snap
@@ -1 +1 @@
-124847
+124888
diff --git a/.forge-snapshots/V4Router_ExactIn1Hop_zeroForOne.snap b/.forge-snapshots/V4Router_ExactIn1Hop_zeroForOne.snap
@@ -1 +1 @@
-130570
+130611
diff --git a/.forge-snapshots/V4Router_ExactIn2Hops.snap b/.forge-snapshots/V4Router_ExactIn2Hops.snap
@@ -1 +1 @@
-185411
+185452
diff --git a/.forge-snapshots/V4Router_ExactIn2Hops_nativeIn.snap b/.forge-snapshots/V4Router_ExactIn2Hops_nativeIn.snap
@@ -1 +1 @@
-170549
+170594
diff --git a/.forge-snapshots/V4Router_ExactIn3Hops.snap b/.forge-snapshots/V4Router_ExactIn3Hops.snap
@@ -1 +1 @@
-240255
+240296
diff --git a/.forge-snapshots/V4Router_ExactIn3Hops_nativeIn.snap b/.forge-snapshots/V4Router_ExactIn3Hops_nativeIn.snap
@@ -1 +1 @@
-225393
+225438
diff --git a/.forge-snapshots/V4Router_ExactInputSingle.snap b/.forge-snapshots/V4Router_ExactInputSingle.snap
@@ -1 +1 @@
-129601
+129642
diff --git a/.forge-snapshots/V4Router_ExactInputSingle_nativeIn.snap b/.forge-snapshots/V4Router_ExactInputSingle_nativeIn.snap
@@ -1 +1 @@
-114739
+114784
diff --git a/.forge-snapshots/V4Router_ExactInputSingle_nativeOut.snap b/.forge-snapshots/V4Router_ExactInputSingle_nativeOut.snap
@@ -1 +1 @@
-115028
+115069
diff --git a/.forge-snapshots/V4Router_ExactOut1Hop_nativeIn_sweepETH.snap b/.forge-snapshots/V4Router_ExactOut1Hop_nativeIn_sweepETH.snap
@@ -1 +1 @@
-121971
+122016
diff --git a/.forge-snapshots/V4Router_ExactOut1Hop_nativeOut.snap b/.forge-snapshots/V4Router_ExactOut1Hop_nativeOut.snap
@@ -1 +1 @@
-117093
+117134
diff --git a/.forge-snapshots/V4Router_ExactOut1Hop_oneForZero.snap b/.forge-snapshots/V4Router_ExactOut1Hop_oneForZero.snap
@@ -1 +1 @@
-125911
+125952
diff --git a/.forge-snapshots/V4Router_ExactOut1Hop_zeroForOne.snap b/.forge-snapshots/V4Router_ExactOut1Hop_zeroForOne.snap
@@ -1 +1 @@
-129856
+129897
diff --git a/.forge-snapshots/V4Router_ExactOut2Hops.snap b/.forge-snapshots/V4Router_ExactOut2Hops.snap
@@ -1 +1 @@
-183759
+183800
diff --git a/.forge-snapshots/V4Router_ExactOut2Hops_nativeIn.snap b/.forge-snapshots/V4Router_ExactOut2Hops_nativeIn.snap
@@ -1 +1 @@
-175874
+175919
diff --git a/.forge-snapshots/V4Router_ExactOut3Hops.snap b/.forge-snapshots/V4Router_ExactOut3Hops.snap
@@ -1 +1 @@
-237693
+237734
diff --git a/.forge-snapshots/V4Router_ExactOut3Hops_nativeIn.snap b/.forge-snapshots/V4Router_ExactOut3Hops_nativeIn.snap
@@ -1 +1 @@
-229808
+229853
diff --git a/.forge-snapshots/V4Router_ExactOut3Hops_nativeOut.snap b/.forge-snapshots/V4Router_ExactOut3Hops_nativeOut.snap
@@ -1 +1 @@
-217048
+217089
diff --git a/.forge-snapshots/V4Router_ExactOutputSingle.snap b/.forge-snapshots/V4Router_ExactOutputSingle.snap
@@ -1 +1 @@
-128884
+128925
diff --git a/.forge-snapshots/V4Router_ExactOutputSingle_nativeIn_sweepETH.snap b/.forge-snapshots/V4Router_ExactOutputSingle_nativeIn_sweepETH.snap
@@ -1 +1 @@
-120999
+121044
diff --git a/.forge-snapshots/V4Router_ExactOutputSingle_nativeOut.snap b/.forge-snapshots/V4Router_ExactOutputSingle_nativeOut.snap
@@ -1 +1 @@
-116195
+116236
diff --git a/src/PositionManager.sol b/src/PositionManager.sol
@@ -363,7 +363,7 @@ contract PositionManager is
         if (currencyDelta < 0) {
             // Casting is safe due to limits on the total supply of a pool
             _settle(currency, caller, uint256(-currencyDelta));
-        } else if (currencyDelta > 0) {
+        } else {
             _take(currency, caller, uint256(currencyDelta));
         }
     }

diff --git a/src/base/DeltaResolver.sol b/src/base/DeltaResolver.sol
@@ -21,7 +21,9 @@ abstract contract DeltaResolver is ImmutableState {
     /// @param currency Currency to take
     /// @param recipient Address to receive the currency
     /// @param amount Amount to take
+    /// @dev Returns early if the amount is 0
     function _take(Currency currency, address recipient, uint256 amount) internal {
+        if (amount == 0) return;
         poolManager.take(currency, recipient, amount);
     }
 
@@ -30,7 +32,9 @@ abstract contract DeltaResolver is ImmutableState {
     /// @param currency Currency to settle
     /// @param payer Address of the payer
     /// @param amount Amount to send
+    /// @dev Returns early if the amount is 0
     function _settle(Currency currency, address payer, uint256 amount) internal {
+        if (amount == 0) return;
         if (currency.isAddressZero()) {
             poolManager.settle{value: amount}();
         } else {