From f7447c04acba92e577b1a5f09e9e388cb50d12b1 Mon Sep 17 00:00:00 2001
From: liquid-8 <moyovedro@gmail.com>
Date: Thu, 21 Oct 2021 19:24:56 +0300
Subject: [PATCH 1/2] Update constants.py; added Optimism and Arbitrum support

---
 uniswap/constants.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/uniswap/constants.py b/uniswap/constants.py
index 436634b..aabb4c5 100644
--- a/uniswap/constants.py
+++ b/uniswap/constants.py
@@ -6,11 +6,13 @@
     1: "mainnet",
     3: "ropsten",
     4: "rinkeby",
+    10: "optimism",
     42: "kovan",
     56: "binance",
     97: "binance_testnet",
     137: "polygon",
     100: "xdai",
+    42161: "arbitrum",
 }
 
 _factory_contract_addresses_v1 = {

From b00d8417ff12ba7c45d7b9cccfcbbb4f22bbaa55 Mon Sep 17 00:00:00 2001
From: liquid-8 <moyovedro@gmail.com>
Date: Sun, 24 Oct 2021 15:01:13 +0300
Subject: [PATCH 2/2] Update constants.py; added Optimism and Arbitrum support

---
 uniswap/constants.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/uniswap/constants.py b/uniswap/constants.py
index aabb4c5..f887601 100644
--- a/uniswap/constants.py
+++ b/uniswap/constants.py
@@ -13,6 +13,7 @@
     137: "polygon",
     100: "xdai",
     42161: "arbitrum",
+    421611: "arbitrum_testnet",
 }
 
 _factory_contract_addresses_v1 = {