Do not proceed if cannot convert to ETH

nosofa · Aug 31, 2020 · 180bc9b · 180bc9b
1 parent b3672d9
commit 180bc9b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/contracts/SushiMaker.sol b/contracts/SushiMaker.sol
@@ -45,6 +45,9 @@ contract SushiMaker {
             return amount;
         }
         IUniswapV2Pair pair = IUniswapV2Pair(factory.getPair(token, weth));
+        if (address(pair) == address(0)) {
+            return 0;
+        }
         (uint reserve0, uint reserve1,) = pair.getReserves();
         address token0 = pair.token0();
         (uint reserveIn, uint reserveOut) = token0 == token ? (reserve0, reserve1) : (reserve1, reserve0);