From c4f65c2df3bb18c50f1e2b00b28ba175aaaf5651 Mon Sep 17 00:00:00 2001
From: Roberto Bayardo <roberto.bayardo@coinbase.com>
Date: Mon, 10 Jul 2023 11:30:25 -0700
Subject: [PATCH] add base mainnet as a supported superchain

---
 data/WETH/data.json | 3 +++
 src/chains.ts       | 8 ++++++++
 src/schemas.ts      | 2 ++
 src/types.ts        | 1 +
 4 files changed, 14 insertions(+)

diff --git a/data/WETH/data.json b/data/WETH/data.json
index e67273556..654b23f43 100644
--- a/data/WETH/data.json
+++ b/data/WETH/data.json
@@ -7,6 +7,9 @@
     "optimism": {
       "address": "0x4200000000000000000000000000000000000006"
     },
+    "base": {
+      "address": "0x4200000000000000000000000000000000000006"
+    }
     "base-goerli": {
       "address": "0x4200000000000000000000000000000000000006"
     }
diff --git a/src/chains.ts b/src/chains.ts
index 1ab1950ae..b8e95f6b1 100644
--- a/src/chains.ts
+++ b/src/chains.ts
@@ -17,6 +17,14 @@ export const NETWORK_DATA: Record<Chain, Network> = {
     ),
     layer: 2,
   },
+  base: {
+    id: 8543,
+    name: 'Base',
+    provider: new ethers.providers.StaticJsonRpcProvider(
+      'https://mainnet.base.org',
+    ),
+    layer: 2,
+  },
   goerli: {
     id: 5,
     name: 'Goerli',
diff --git a/src/schemas.ts b/src/schemas.ts
index 2a76bbb73..9f8591abf 100644
--- a/src/schemas.ts
+++ b/src/schemas.ts
@@ -60,6 +60,7 @@ export const TOKEN_DATA_SCHEMA = {
       properties: {
         ethereum: TOKEN_SCHEMA,
         optimism: TOKEN_SCHEMA,
+        base: TOKEN_SCHEMA,
         'base-goerli': TOKEN_SCHEMA,
         goerli: TOKEN_SCHEMA,
         'optimism-goerli': TOKEN_SCHEMA,
@@ -68,6 +69,7 @@ export const TOKEN_DATA_SCHEMA = {
       anyOf: [
         { required: ['ethereum'] },
         { required: ['optimism'] },
+        { required: ['base'] },
         { required: ['base-goerli'] },
         { required: ['goerli'] },
         { required: ['optimism-goerli'] },
diff --git a/src/types.ts b/src/types.ts
index 7e669c9ec..e79988000 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -22,6 +22,7 @@ export interface Token {
 export type Chain =
   | 'ethereum'
   | 'optimism'
+  | 'base'
   | 'goerli'
   | 'optimism-goerli'
   | 'base-goerli'