feat: add Ink Sepolia support (wevm#2942)

* Adding in Ink Sepolia support

* Added in changeset

.changeset/smart-hornets-remain.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Ink Sepolia chain configurations

site/pages/op-stack/chains.md

@@ -9,6 +9,7 @@ import {
   baseSepolia, // [!code hl]
   fraxtal, // [!code hl]
   fraxtalTestnet, // [!code hl]
+  inkSepolia, // [!code hl]
   optimism, // [!code hl]
   optimismGoerli, // [!code hl]
   optimismSepolia, // [!code hl]

src/chains/definitions/inkSepolia.ts

@@ -0,0 +1,43 @@
+import { chainConfig } from '../../op-stack/chainConfig.js'
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+const sourceId = 11_155_111 // sepolia
+
+export const inkSepolia = /*#__PURE__*/ defineChain({
+  ...chainConfig,
+  id: 763373,
+  name: 'Ink Sepolia',
+  nativeCurrency: { name: 'Sepolia Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc-gel-sepolia.inkonchain.com'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Blockscout',
+      url: 'https://explorer-sepolia.inkonchain.com/',
+      apiUrl: 'https://explorer-sepolia.inkonchain.com/api/v2',
+    },
+  },
+  contracts: {
+    ...chainConfig.contracts,
+    disputeGameFactory: {
+      [sourceId]: {
+        address: '0x860e626c700af381133d9f4af31412a2d1db3d5d',
+      },
+    },
+    portal: {
+      [sourceId]: {
+        address: '0x5c1d29c6c9c8b0800692acc95d700bcb4966a1d7',
+      },
+    },
+    l1StandardBridge: {
+      [sourceId]: {
+        address: '0x33f60714bbd74d62b66d79213c348614de51901c',
+      },
+    },
+  },
+  testnet: true,
+  sourceId,
+})

src/chains/index.ts

@@ -178,6 +178,7 @@ export { hychainTestnet } from './definitions/hychainTestnet.js'
 export { immutableZkEvm } from './definitions/immutableZkEvm.js'
 export { immutableZkEvmTestnet } from './definitions/immutableZkEvmTestnet.js'
 export { inEVM } from './definitions/inEVM.js'
+export { inkSepolia } from './definitions/inkSepolia.js'
 export { iota } from './definitions/iota.js'
 export { iotaTestnet } from './definitions/iotaTestnet.js'
 export { iotex } from './definitions/iotex.js'

src/op-stack/chains.ts

@@ -6,6 +6,7 @@ export { baseGoerli } from '../chains/definitions/baseGoerli.js'
 export { baseSepolia } from '../chains/definitions/baseSepolia.js'
 export { fraxtal } from '../chains/definitions/fraxtal.js'
 export { fraxtalTestnet } from '../chains/definitions/fraxtalTestnet.js'
+export { inkSepolia } from '../chains/definitions/inkSepolia.js'
 export { metalL2 } from '../chains/definitions/metalL2.js'
 export { optimism } from '../chains/definitions/optimism.js'
 export { optimismGoerli } from '../chains/definitions/optimismGoerli.js'