feat: add berachain network (#1718)

* feat: add Berachain testnet chain

* chore: changeset

* Update src/chains/definitions/berachainTestnet.ts

refactor: remove slash from explorer url

Co-authored-by: awkweb <tom@meagher.co>

* Update .changeset/nice-fishes-leave.md

style: change changeset desc

Co-authored-by: awkweb <tom@meagher.co>

* Update src/chains/definitions/berachainTestnet.ts

refactor: remove slash from rpc url

Co-authored-by: awkweb <tom@meagher.co>

* Update berachainTestnet.ts

---------

Co-authored-by: awkweb <tom@meagher.co>
Co-authored-by: jxom <jakemoxey@gmail.com>

.changeset/nice-fishes-leave.md

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

src/chains/definitions/berachainTestnet.ts

@@ -0,0 +1,21 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const berachainTestnet = /*#__PURE__*/ defineChain({
+  id: 80085,
+  name: 'Berachain Artio',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'BERA Token',
+    symbol: 'BERA',
+  },
+  rpcUrls: {
+    default: { http: ['https://artio.rpc.berachain.com'] },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Berachain',
+      url: 'https://artio.beratrail.io',
+    },
+  },
+  testnet: true,
+})

src/chains/index.ts

@@ -17,6 +17,7 @@ export { baseGoerli } from './definitions/baseGoerli.js'
 export { baseSepolia } from './definitions/baseSepolia.js'
 export { bearNetworkChainMainnet } from './definitions/bearNetworkChainMainnet.js'
 export { bearNetworkChainTestnet } from './definitions/bearNetworkChainTestnet.js'
+export { berachainTestnet } from './definitions/berachainTestnet.js'
 export { bitTorrent } from './definitions/bitTorrent.js'
 export { bitTorrentTestnet } from './definitions/bitTorrentTestnet.js'
 export { blastSepolia } from './definitions/blastSepolia.js'