feat: add base-sepolia network and corresponding USDC token entry

README.md

@@ -62,15 +62,17 @@ We welcome community contributions! To add a new token to the list:
 
 1. Fork this repository
 2. Add your token information to `tokens/token-list.json`
-3. Bump the version appropriately:
+3. Bump the version appropriately in the `tokens/token-list.json`:
    - **Patch** (x.x.1): Bug fixes, corrections to existing tokens
    - **Minor** (x.1.0): New token additions (most common)
-   - **Major** (2.0.0): Breaking changes (e.g., removing tokens, changing schema)
+   - **Major** (2.0.0): Breaking changes (e.g., removing tokens, removing schema fields)
 4. Make sure your token meets our requirements (see [CONTRIBUTING.md](./CONTRIBUTING.md))
 5. Run tests locally: `npm test`
 6. Create a Pull Request
 
-**Note**: The timestamp is automatically updated when the deployment workflow runs after a release is published, marking the deployment time to GitHub Pages.
+**Note**: 
+- Don't change the timestamp. The timestamp is automatically updated when the deployment workflow runs after a release is published, marking the deployment time to GitHub Pages.
+- Don't change or add files in the `versions` folder. The version file is autogenerated in the `versions` folder after the release is completed. 
 
 ### Publishing a New Version
 

src/schemas/token-list-schema.json

@@ -84,6 +84,7 @@
             "zksyncera",
             "zksynceratestnet",
             "base",
+            "base-sepolia",
             "fiat"
           ]
         },

src/types/index.ts

@@ -50,6 +50,7 @@ export enum NetworkType {
   ZKSYNCERA = "zksyncera",
   ZKSYNCERATESTNET = "zksynceratestnet",
   BASE = "base",
+  BASE_SEPOLIA = "base-sepolia",
   FIAT = "fiat",
 }
 
@@ -72,5 +73,6 @@ export const CHAIN_IDS: Record<string, number> = {
   zksyncera: 324,
   zksynceratestnet: 300,
   base: 8453,
+  "base-sepolia": 84532,
   fiat: 0, // Special case for fiat currencies
 };

tokens/token-list.json

@@ -1,9 +1,9 @@
 {
   "name": "Request Network Token List",
-  "timestamp": "2025-11-05T16:04:06.000Z",
+  "timestamp": "2025-12-02T16:15:31.000Z",
   "version": {
     "major": 1,
-    "minor": 1,
+    "minor": 2,
     "patch": 0
   },
   "tokens": [
@@ -8135,6 +8135,17 @@
       "type": "ERC20",
       "hash": "0xfde4C96c8593536E31F229EA8f37b2ADa2699bb2",
       "chainId": 8453
+    },
+    {
+      "id": "USDC-base-sepolia",
+      "name": "USD Coin Base Sepolia",
+      "symbol": "USDC",
+      "decimals": 6,
+      "address": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
+      "network": "base-sepolia",
+      "type": "ERC20",
+      "hash": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
+      "chainId": 84532
     }
   ]
 }