Merge pull request #101 from perpetual-protocol/hoxfix/v2.8.3

Hoxfix/v2.8.3
perpetual-protocol · Sep 12, 2023 · ca25f8e · ca25f8e
2 parents 93cdf88 + 2e31d98
commit ca25f8e
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Showing 4 changed files with 10 additions and 7 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [unreleased]
 
+## [2.8.3] - 2023-09-09
+- Add tick checking when swap
+
 ## [2.8.2] - 2023-08-15
 
 ### Changed

diff --git a/contracts/Exchange.sol b/contracts/Exchange.sol
@@ -51,7 +51,6 @@ contract Exchange is
     //
     // STRUCT
     //
-
     struct InternalSwapResponse {
         int256 base;
         int256 quote;
@@ -74,7 +73,6 @@ contract Exchange is
     //
     // CONSTANT
     //
-
     uint256 internal constant _FULLY_CLOSED_RATIO = 1e18;
     uint24 internal constant _MAX_TICK_CROSSED_WITHIN_BLOCK_CAP = 1000; // 10%
     uint24 internal constant _MAX_PRICE_SPREAD_RATIO = 0.1e6; // 10% in decimal 6
@@ -83,7 +81,6 @@ contract Exchange is
     //
     // EXTERNAL NON-VIEW
     //
-
     function initialize(
         address marketRegistryArg,
         address orderBookArg,
@@ -426,6 +423,10 @@ contract Exchange is
                 )
             );
 
+        int24 tick = UniswapV3Broker.getTick(marketInfo.pool);
+        // tick mismatch
+        require(tick == replayResponse.tick, "EX_TKMM");
+
         // avoid stack too deep
         {
             // check price band after swap
@@ -521,7 +522,6 @@ contract Exchange is
     //
     // INTERNAL VIEW
     //
-
     function _getSqrtMarketTwapX96(address baseToken, uint32 twapInterval) internal view returns (uint160) {
         return UniswapV3Broker.getSqrtMarketTwapX96(IMarketRegistry(_marketRegistry).getPool(baseToken), twapInterval);
     }

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@perp/curie-contract",
-  "version": "2.8.2",
+  "version": "2.8.3",
   "description": "Perpetual Protocol Curie (V2) core contracts",
   "license": "GPL-3.0-or-later",
   "author": {