From 87be6fbb8a218a69d51933a60dc5992e7c99609b Mon Sep 17 00:00:00 2001
From: Kim Persson <kimpers@users.noreply.github.com>
Date: Thu, 3 Mar 2022 13:45:20 +0100
Subject: [PATCH] fix: lower UniswapV3Sampler quote gas allowance to 700k
 (#438)

* fix: lower UniswapV3Sampler quote gas allowance to 700k

* chore: add asset-swapper changelog entry
---
 packages/asset-swapper/CHANGELOG.json                     | 6 +++++-
 packages/asset-swapper/contracts/src/UniswapV3Sampler.sol | 2 +-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/asset-swapper/CHANGELOG.json b/packages/asset-swapper/CHANGELOG.json
index f60923f004..66c69d792f 100644
--- a/packages/asset-swapper/CHANGELOG.json
+++ b/packages/asset-swapper/CHANGELOG.json
@@ -4,7 +4,11 @@
         "changes": [
             {
                 "note": "Add BTRFLY/WETH Curve pool on mainnet",
-                "pr": "437"
+                "pr": 437
+            },
+            {
+                "note": "Lower Uniswap V3 Sampler gas allowance",
+                "pr": 438
             }
         ]
     },
diff --git a/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol b/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol
index c964bacbef..7eee3cedf6 100644
--- a/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol
+++ b/packages/asset-swapper/contracts/src/UniswapV3Sampler.sol
@@ -77,7 +77,7 @@ interface IUniswapV3Pool {
 contract UniswapV3Sampler
 {
     /// @dev Gas limit for UniswapV3 calls. This is 100% a guess.
-    uint256 constant private QUOTE_GAS = 900e3;
+    uint256 constant private QUOTE_GAS = 700e3;
 
     /// @dev Sample sell quotes from UniswapV3.
     /// @param quoter UniswapV3 Quoter contract.