feat: add Gunz Mainnet (#3581)

Author: Yutaro-Mori-eng

Diff for: .changeset/metal-cats-protect.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Gunz Mainnet.

Diff for: src/chains/definitions/gunz.ts

@@ -0,0 +1,24 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const gunz = /*#__PURE__*/ defineChain({
+  id: 43_419,
+  name: 'Gunz Mainnet',
+  nativeCurrency: { name: 'GUN', symbol: 'GUN', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.gunzchain.io/ext/bc/2M47TxWHGnhNtq6pM5zPXdATBtuqubxn5EPFgFmEawCQr9WFML/rpc'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Gunz Explorer',
+      url: 'https://gunzscan.io/',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
+      blockCreated: 70502,
+    },
+  },
+})

Diff for: src/chains/index.ts

@@ -211,6 +211,7 @@ export { goChain } from './definitions/goChain.js'
 export { godwoken } from './definitions/godwoken.js'
 export { goerli } from './definitions/goerli.js'
 export { gravity } from './definitions/gravity.js'
+export { gunz } from './definitions/gunz.js'
 export { guruNetwork } from './definitions/guruNetwork.js'
 export { guruTestnet } from './definitions/guruTestnet.js'
 export { ham } from './definitions/ham.js'