feat: add High Performance Blockchain (#3002)

feat: add High Performance Blockchain

Co-authored-by: Peng Ke <pk-850@users.noreply.github.com>

.changeset/fair-plants-glow.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added High Performance Blockchain.

src/chains/definitions/hpb.ts

@@ -0,0 +1,19 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const hpb = /*#__PURE__*/ defineChain({
+  id: 269,
+  name: 'High Performance Blockchain',
+  nativeCurrency: { name: 'HPB', symbol: 'HPB', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://hpbnode.com'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'hpbScan',
+      url: 'https://hscan.org',
+    },
+  },
+  testnet: false,
+})

src/chains/index.ts

@@ -182,6 +182,7 @@ export { hederaTestnet } from './definitions/hederaTestnet.js'
 export { hela } from './definitions/hela.js'
 export { hemiSepolia } from './definitions/hemiSepolia.js'
 export { holesky } from './definitions/holesky.js'
+export { hpb } from './definitions/hpb.js'
 export { hychain } from './definitions/hychain.js'
 export { hychainTestnet } from './definitions/hychainTestnet.js'
 export { idchain } from './definitions/idchain.js'