feat: add Linea Sepolia chain (#2056)

* feat: Add Linea Sepolia chain

* fix: format code

* fix: deprecate lineaTestnet in favor of lineaGoerli

.changeset/smart-timers-knock.md

@@ -0,0 +1,6 @@
+---
+"viem": patch
+---
+
+Added Linea Sepolia chain.
+Updated Linea Goerli export name.

src/chains/definitions/lineaGoerli.ts

@@ -0,0 +1,27 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const lineaGoerli = /*#__PURE__*/ defineChain({
+  id: 59_140,
+  name: 'Linea Goerli Testnet',
+  nativeCurrency: { name: 'Linea Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.goerli.linea.build'],
+      webSocket: ['wss://rpc.goerli.linea.build'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Etherscan',
+      url: 'https://goerli.lineascan.build',
+      apiUrl: 'https://api-goerli.lineascan.build/api',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xca11bde05977b3631167028862be2a173976ca11',
+      blockCreated: 498623,
+    },
+  },
+  testnet: true,
+})

src/chains/definitions/lineaSepolia.ts

@@ -0,0 +1,27 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const lineaSepolia = /*#__PURE__*/ defineChain({
+  id: 59_141,
+  name: 'Linea Sepolia Testnet',
+  nativeCurrency: { name: 'Linea Ether', symbol: 'ETH', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.sepolia.linea.build'],
+      webSocket: ['wss://rpc.sepolia.linea.build'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Etherscan',
+      url: 'https://sepolia.lineascan.build',
+      apiUrl: 'https://api-sepolia.lineascan.build/api',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xca11bde05977b3631167028862be2a173976ca11',
+      blockCreated: 227427,
+    },
+  },
+  testnet: true,
+})

src/chains/index.ts

@@ -112,6 +112,9 @@ export { kromaSepolia } from './definitions/kromaSepolia.js'
 export { lightlinkPegasus } from './definitions/lightlinkPegasus.js'
 export { lightlinkPhoenix } from './definitions/lightlinkPhoenix.js'
 export { linea } from './definitions/linea.js'
+export { lineaGoerli } from './definitions/lineaGoerli.js'
+export { lineaSepolia } from './definitions/lineaSepolia.js'
+/** @deprecated Use `lineaGoerli` instead. */
 export { lineaTestnet } from './definitions/lineaTestnet.js'
 export { liskSepolia } from './definitions/liskSepolia.js'
 export { localhost } from './definitions/localhost.js'