feat: add HashKey Chain (#3311)

.changeset/tricky-moles-dance.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added HashKey Chain.

src/chains/definitions/hashKeyChain.ts

@@ -0,0 +1,28 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const hashkey = /*#__PURE__*/ defineChain({
+  id: 177,
+  name: 'HashKey Chain',
+  nativeCurrency: {
+    decimals: 18,
+    name: 'HashKey EcoPoints',
+    symbol: 'HSK',
+  },
+  rpcUrls: {
+    default: {
+      http: ['https://mainnet.hsk.xyz'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'HashKey Chain Explorer',
+      url: 'https://hashkey.blockscout.com',
+    },
+  },
+  contracts: {
+    multicall3: {
+      address: '0xca11bde05977b3631167028862be2a173976ca11',
+      blockCreated: 0,
+    },
+  },
+})

src/chains/index.ts

@@ -205,6 +205,7 @@ export { haqqMainnet } from './definitions/haqqMainnet.js'
 export { haqqTestedge2 } from './definitions/haqqTestedge2.js'
 export { hardhat } from './definitions/hardhat.js'
 export { harmonyOne } from './definitions/harmonyOne.js'
+export { hashkey } from './definitions/hashKeyChain.js'
 export { hashkeyTestnet } from './definitions/hashkeyChainTestnet.js'
 export { hedera } from './definitions/hedera.js'
 export { hederaPreviewnet } from './definitions/hederaPreviewnet.js'