feat: add ThunderCore Mainnet (#2884)

.changeset/rotten-moles-cry.md

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

src/chains/definitions/thunderCore.ts

@@ -0,0 +1,19 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const thunderCore = /*#__PURE__*/ defineChain({
+  id: 108,
+  name: 'ThunderCore Mainnet',
+  nativeCurrency: { name: 'TT', symbol: 'TT', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://mainnet-rpc.thundercore.com'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'ThunderCore Explorer',
+      url: 'https://viewblock.io/thundercore',
+    },
+  },
+  testnet: false,
+})

src/chains/index.ts

@@ -359,6 +359,7 @@ export { telos } from './definitions/telos.js'
 export { telosTestnet } from './definitions/telosTestnet.js'
 export { tenet } from './definitions/tenet.js'
 export { thaiChain } from './definitions/thaiChain.js'
+export { thunderCore } from './definitions/thunderCore.js'
 export { thunderTestnet } from './definitions/thunderTestnet.js'
 export { tiktrixTestnet } from './definitions/tiktrixTestnet.js'
 export { tron } from './definitions/tron.js'