feat: add sophon testnet (#2644)

* config: add sophon testnet

* Update sophonTestnet.ts

* Create honest-zoos-look.md

---------

Co-authored-by: jxom <jakemoxey@gmail.com>

.changeset/honest-zoos-look.md

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

src/chains/definitions/sophonTestnet.ts

@@ -0,0 +1,24 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const sophonTestnet = /*#__PURE__*/ defineChain({
+  id: 531_050_104,
+  name: 'Sophon Testnet',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'Sophon',
+    symbol: 'ETH',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://rpc.testnet.sophon.xyz'],
+      webSocket: ['wss://rpc.testnet.sophon.xyz/ws'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Sophon Block Explorer',
+      url: 'https://explorer.testnet.sophon.xyz',
+    },
+  },
+  testnet: true,
+})

src/chains/index.ts

@@ -274,6 +274,7 @@ export { skaleTitanTestnet } from './definitions/skale/titanTestnet.js'
 export { sketchpad } from './definitions/sketchpad.js'
 export { songbird } from './definitions/songbird.js'
 export { songbirdTestnet } from './definitions/songbirdTestnet.js'
+export { sophonTestnet } from './definitions/sophonTestnet.js'
 export { spicy } from './definitions/spicy.js'
 export { shardeumSphinx } from './definitions/shardeumSphinx.js'
 export { shibarium } from './definitions/shibarium.js'