From 16cc7e95ba2fd01a9ef19d71f2d2411e122fd052 Mon Sep 17 00:00:00 2001
From: Noah Zinsmeister <noahwz@gmail.com>
Date: Tue, 19 Nov 2019 10:25:23 -0500
Subject: [PATCH] no chainid in create2 salt

---
 contracts/UniswapV2Factory.sol | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contracts/UniswapV2Factory.sol b/contracts/UniswapV2Factory.sol
index c86db4e..0654e26 100644
--- a/contracts/UniswapV2Factory.sol
+++ b/contracts/UniswapV2Factory.sol
@@ -57,7 +57,7 @@ contract UniswapV2Factory is IUniswapV2Factory {
         require(token0ToToken1ToExchange[pair.token0][pair.token1] == address(0), "UniswapV2Factory: EXCHANGE_EXISTS");
 
         bytes memory exchangeBytecodeMemory = exchangeBytecode;
-        bytes32 salt = keccak256(abi.encodePacked(pair.token0, pair.token1, chainId));
+        bytes32 salt = keccak256(abi.encodePacked(pair.token0, pair.token1));
         assembly {
             exchange := create2(
                 0,