feat: add nautilus chain (#2254)

.changeset/silent-kings-learn.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Nautilus chain.

src/chains/definitions/nautilus.ts

@@ -0,0 +1,18 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const nautilus = /*#__PURE__*/ defineChain({
+  id: 22222,
+  name: 'Nautilus Mainnet',
+  nativeCurrency: { name: 'ZBC', symbol: 'ZBC', decimals: 9 },
+  rpcUrls: {
+    default: {
+      http: ['https://api.nautilus.nautchain.xyz'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'NautScan',
+      url: 'https://nautscan.com',
+    },
+  },
+})

src/chains/index.ts

@@ -158,6 +158,7 @@ export { moonbeam } from './definitions/moonbeam.js'
 export { moonbeamDev } from './definitions/moonbeamDev.js'
 export { moonriver } from './definitions/moonriver.js'
 export { morphSepolia } from './definitions/morphSepolia.js'
+export { nautilus } from './definitions/nautilus.js'
 export { neonDevnet } from './definitions/neonDevnet.js'
 export { neonMainnet } from './definitions/neonMainnet.js'
 export { nexi } from './definitions/nexi.js'