feat: add Chang Chain Foundation Mainnet (#2867)

.changeset/fresh-wasps-reply.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added Chang Chain Foundation Mainnet.

src/chains/definitions/chang.ts

@@ -0,0 +1,22 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const chang = /*#__PURE__*/ defineChain({
+  id: 5858,
+  name: 'Chang Chain Foundation Mainnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'CTH',
+    symbol: 'CTH',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.cthscan.com'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Chang Chain explorer',
+      url: 'https://cthscan.com',
+    },
+  },
+})

src/chains/index.ts

@@ -70,6 +70,7 @@ export { cannon } from './definitions/cannon.js'
 export { canto } from './definitions/canto.js'
 export { celo } from './definitions/celo.js'
 export { celoAlfajores } from './definitions/celoAlfajores.js'
+export { chang } from './definitions/chang.js'
 export { chiliz } from './definitions/chiliz.js'
 export { chips } from './definitions/chips.js'
 export { classic } from './definitions/classic.js'