From 29579061010818c4f79b01c977e914a7c991a983 Mon Sep 17 00:00:00 2001
From: Dan J Miller <danjm.com@gmail.com>
Date: Mon, 4 Jan 2021 14:43:44 -0330
Subject: [PATCH] Ensure that gas for swap tx submitted at same time as
 approval is in hex (#10135)

---
 ui/app/ducks/swaps/swaps.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/app/ducks/swaps/swaps.js b/ui/app/ducks/swaps/swaps.js
index f6d36c204..876bd50ec 100644
--- a/ui/app/ducks/swaps/swaps.js
+++ b/ui/app/ducks/swaps/swaps.js
@@ -606,7 +606,7 @@ export const signAndSendTransactions = (history, metaMetricsEvent) => {
       customSwapsGas ||
       (usedQuote?.gasEstimate
         ? estimatedGasLimitWithMultiplier
-        : usedQuote?.maxGas)
+        : `0x${decimalToHex(usedQuote?.maxGas || 0)}`)
 
     const usedGasPrice = getUsedSwapsGasPrice(state)
     usedTradeTxParams.gas = maxGasLimit