From 1e7dff060ffaa92c7d960d5963f29372645148dc Mon Sep 17 00:00:00 2001
From: Justin Domingue <judo@uniswap.org>
Date: Tue, 19 Oct 2021 10:08:10 -0400
Subject: [PATCH] fix: add usdc to arbitrum/optimism common bases (#2641)

---
 src/constants/routing.ts | 4 ++++
 src/constants/tokens.ts  | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/src/constants/routing.ts b/src/constants/routing.ts
index a87fc57aed1..9c2862385b1 100644
--- a/src/constants/routing.ts
+++ b/src/constants/routing.ts
@@ -15,6 +15,8 @@ import {
   renBTC,
   TRIBE,
   USDC,
+  USDC_ARBITRUM,
+  USDC_OPTIMISM,
   USDT,
   USDT_ARBITRUM_ONE,
   USDT_OPTIMISM,
@@ -94,6 +96,7 @@ export const COMMON_BASES: ChainCurrencyList = {
   [SupportedChainId.ARBITRUM_ONE]: [
     ExtendedEther.onChain(SupportedChainId.ARBITRUM_ONE),
     DAI_ARBITRUM_ONE,
+    USDC_ARBITRUM,
     USDT_ARBITRUM_ONE,
     WBTC_ARBITRUM_ONE,
     WETH9_EXTENDED[SupportedChainId.ARBITRUM_ONE],
@@ -105,6 +108,7 @@ export const COMMON_BASES: ChainCurrencyList = {
   [SupportedChainId.OPTIMISM]: [
     ExtendedEther.onChain(SupportedChainId.OPTIMISM),
     DAI_OPTIMISM,
+    USDC_OPTIMISM,
     USDT_OPTIMISM,
     WBTC_OPTIMISM,
     WETH9_EXTENDED[SupportedChainId.OPTIMISM],
diff --git a/src/constants/tokens.ts b/src/constants/tokens.ts
index a5bdd058f5b..5b4b3918336 100644
--- a/src/constants/tokens.ts
+++ b/src/constants/tokens.ts
@@ -45,6 +45,13 @@ export const USDC_ARBITRUM = new Token(
   'USDC',
   'USD//C'
 )
+export const USDC_OPTIMISM = new Token(
+  SupportedChainId.OPTIMISM,
+  '0x7F5c764cBc14f9669B88837ca1490cCa17c31607',
+  6,
+  'USDC',
+  'USD//C'
+)
 export const USDT = new Token(
   SupportedChainId.MAINNET,
   '0xdAC17F958D2ee523a2206206994597C13D831ec7',