feat: add support for monad (#90)

Author: barskhianfannie

README.md

@@ -59,6 +59,12 @@
         <img alt="mantle" src="https://raw.githubusercontent.com/rainbow-me/assets/master/blockchains/mantle/info/logo.png" width="22"/>
         <br>Mantle
       </div>
+    </td>
+        <td style="width:100px; text-align:center;">
+      <div align="center">
+        <img alt="mantle" src="https://raw.githubusercontent.com/rainbow-me/assets/master/blockchains/monad/info/logo.png" width="22"/>
+        <br>Monad
+      </div>
     </td>
     <td style="width:100px; text-align:center;">
       <div align="center">

package-lock.json

@@ -52,7 +52,7 @@
     "test": "vitest --coverage"
   },
   "peerDependencies": {
-    "viem": "^2.37.7"
+    "viem": "^2.39.3"
   },
   "devDependencies": {
     "@types/node": "^24.5.2",

package.json

@@ -15,6 +15,7 @@ import {
   avalanche,
   berachain,
   worldchain,
+  monad
 } from "viem/chains";
 import type { SupportedChainId } from "./types";
 
@@ -65,6 +66,7 @@ export const SUPPORTED_CHAINS = [
   avalanche,
   berachain,
   worldchain,
+  monad,
 ];
 
 export const NATIVE_SYMBOL_BY_CHAIN_ID: { [key in SupportedChainId]: string } =
@@ -76,6 +78,7 @@ export const NATIVE_SYMBOL_BY_CHAIN_ID: { [key in SupportedChainId]: string } =
     [linea.id]: linea.nativeCurrency.symbol,
     [scroll.id]: scroll.nativeCurrency.symbol,
     [mantle.id]: mantle.nativeCurrency.symbol,
+    [monad.id]: monad.nativeCurrency.symbol,
     [plasma.id]: plasma.nativeCurrency.symbol,
     [mainnet.id]: mainnet.nativeCurrency.symbol,
     [polygon.id]: polygon.nativeCurrency.symbol,

src/constants.ts

@@ -15,6 +15,7 @@ import {
   worldchain,
   berachain,
   unichain,
+  monad
 } from "viem/chains";
 
 import type {
@@ -31,6 +32,7 @@ export type SupportedChainId =
   | typeof bsc.id
   | typeof base.id
   | typeof mode.id
+  | typeof monad.id
   | typeof blast.id
   | typeof linea.id
   | typeof scroll.id

src/types.ts

@@ -16,6 +16,7 @@ import {
   avalanche,
   berachain,
   worldchain,
+  monad
 } from "viem/chains";
 import { NATIVE_SYMBOL_BY_CHAIN_ID, NATIVE_TOKEN_ADDRESS } from "../constants";
 import type { Address } from "viem";
@@ -33,6 +34,7 @@ export function isChainIdSupported(
     bsc.id,
     base.id,
     mode.id,
+    monad.id,
     blast.id,
     linea.id,
     scroll.id,