From 0191594d48060c13f3ab095003091a512c8546c4 Mon Sep 17 00:00:00 2001
From: Marcelo Morgado <cmarcelom@gmail.com>
Date: Thu, 4 Nov 2021 14:33:03 +0000
Subject: [PATCH] Avalanche verify support

---
 packages/hardhat-etherscan/src/network/prober.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/packages/hardhat-etherscan/src/network/prober.ts b/packages/hardhat-etherscan/src/network/prober.ts
index 41d39db82d..569da90604 100644
--- a/packages/hardhat-etherscan/src/network/prober.ts
+++ b/packages/hardhat-etherscan/src/network/prober.ts
@@ -40,6 +40,9 @@ enum NetworkID {
   // Arbitrum
   ARBITRUM_ONE = 42161,
   ARBITRUM_TESTNET = 421611,
+  // Avalanche
+  AVALANCHE = 43114,
+  AVALANCHE_FUJI_TESTNET = 43113,
 }
 
 const networkIDtoEndpoints: NetworkMap = {
@@ -111,6 +114,14 @@ const networkIDtoEndpoints: NetworkMap = {
     apiURL: "https://api-testnet.arbiscan.io/api",
     browserURL: "https://testnet.arbiscan.io/",
   },
+  [NetworkID.AVALANCHE]: {
+    apiURL: "https://api.snowtrace.io/api",
+    browserURL: "https://snowtrace.io/",
+  },
+  [NetworkID.AVALANCHE_FUJI_TESTNET]: {
+    apiURL: "https://api-testnet.snowtrace.io/api",
+    browserURL: "https://testnet.snowtrace.io/",
+  },
 };
 
 export async function getEtherscanEndpoints(