From 951b2292c6a0fc30fa89c427a31990c85c671383 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

---
 src/chains.ts  | 17 +++++++++++++++++
 src/schemas.ts |  2 ++
 src/types.ts   |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/chains.ts b/src/chains.ts
index 1ab1950ae..06ea0fc01 100644
--- a/src/chains.ts
+++ b/src/chains.ts
@@ -17,6 +17,15 @@ export const NETWORK_DATA: Record<Chain, Network> = {
     ),
     layer: 2,
   },
+  base: {
+    id: 8543,
+    name: 'Base',
+    provider: new ethers.providers.StaticJsonRpcProvider(
+      // Update to 'https://mainnet.base.org' once live
+      'https://developer-access-mainnet.base.org',
+    ),
+    layer: 2,
+  },
   goerli: {
     id: 5,
     name: 'Goerli',
@@ -58,6 +67,9 @@ export const L2_STANDARD_BRIDGE_INFORMATION: Record<
   optimism: {
     l2StandardBridgeAddress: '0x4200000000000000000000000000000000000010',
   },
+  base: {
+    l2StandardBridgeAddress: '0x4200000000000000000000000000000000000010',
+  },
   'optimism-goerli': {
     l2StandardBridgeAddress: '0x4200000000000000000000000000000000000010',
   },
@@ -68,6 +80,7 @@ export const L2_STANDARD_BRIDGE_INFORMATION: Record<
 
 export const L2_TO_L1_PAIR: Partial<Record<L2Chain, L1Chain>> = {
   optimism: 'ethereum',
+  base: 'ethereum',
   'optimism-goerli': 'goerli',
   'base-goerli': 'goerli',
 }
@@ -81,6 +94,10 @@ export const L1_STANDARD_BRIDGE_INFORMATION: Record<
       l2Chain: 'optimism',
       l1StandardBridgeAddress: '0x99C9fc46f92E8a1c0deC1b1747d010903E884bE1',
     },
+    {
+      l2Chain: 'base',
+      l1StandardBridgeAddress: '0x3154Cf16ccdb4C6d922629664174b904d80F2C35',
+    },
   ],
   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'