From d1924609bae69323669d103116c229158fd6b49b Mon Sep 17 00:00:00 2001
From: Karl Bartel <karl.bartel@clabs.co>
Date: Wed, 10 Sep 2025 10:06:22 +0200
Subject: [PATCH] Add celo-sepolia and WETH on celo-sepolia

---
 README.md              |  1 +
 data/WETH/data.json    | 11 ++++++++++-
 src/chains.ts          |  6 ++++++
 src/providerFactory.ts |  1 +
 src/types.ts           |  1 +
 5 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5e58fa5f8..4bf97a55c 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,7 @@ We currently accept tokens on the following chains:
 - `metall2`
 - `metall2-sepolia`
 - `celo`
+- `celo-sepolia`
 
 #### Non-bridgeable tokens
 
diff --git a/data/WETH/data.json b/data/WETH/data.json
index a1fb82ca4..2fdc2ef0b 100644
--- a/data/WETH/data.json
+++ b/data/WETH/data.json
@@ -14,7 +14,16 @@
       "address": "0x4200000000000000000000000000000000000006"
     },
     "celo": {
-      "address": "0xD221812de1BD094f35587EE8E174B07B6167D9Af"
+      "address": "0xD221812de1BD094f35587EE8E174B07B6167D9Af",
+      "overrides": {
+        "name": "Wrapped Ether (Celo native bridge)"
+      }
+    },
+    "celo-sepolia": {
+      "address": "0x2ce73dc897a3e10b3ff3f86470847c36ddb735cf",
+      "overrides": {
+        "name": "Wrapped Ether (Celo native bridge)"
+      }
     }
   }
 }
diff --git a/src/chains.ts b/src/chains.ts
index ebb795575..742a6349c 100644
--- a/src/chains.ts
+++ b/src/chains.ts
@@ -108,6 +108,12 @@ export const NETWORK_DATA: Record<Chain, Network> = {
     provider: createRobustProvider(getRpcUrls('celo'), 42220),
     layer: 2,
   },
+  'celo-sepolia': {
+    id: 11142220,
+    name: 'Celo Sepolia',
+    provider: createRobustProvider(getRpcUrls('celo-sepolia'), 11142220),
+    layer: 2,
+  },
   swellchain: {
     id: 1923,
     name: 'Swellchain',
diff --git a/src/providerFactory.ts b/src/providerFactory.ts
index 06234d815..3d629008a 100644
--- a/src/providerFactory.ts
+++ b/src/providerFactory.ts
@@ -121,6 +121,7 @@ const getDefaultRpcUrls = (chain: Chain): string[] => {
         soneium: ['https://rpc.soneium.org'],
         'soneium-minato': ['https://rpc.minato.soneium.org'],
         celo: ['https://forno.celo.org'],
+        'celo-sepolia': ['https://forno.celo-sepolia.celo-testnet.org'],
         swellchain: ['https://swell-mainnet.alt.technology'],
         ink: ['https://rpc-gel.inkonchain.com'],
         'ink-sepolia': ['https://rpc-gel-sepolia.inkonchain.com'],
diff --git a/src/types.ts b/src/types.ts
index e26703a9e..0da6cd7b5 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -37,6 +37,7 @@ export type Chain =
   | 'soneium'
   | 'soneium-minato'
   | 'celo'
+  | 'celo-sepolia'
   | 'swellchain'
   | 'ink'
   | 'ink-sepolia'