Add THAT Mainnet

.changeset/gentle-clocks-invent.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Add THAT Mainnet chain.

src/chains/definitions/that.ts

@@ -0,0 +1,19 @@
+import { defineChain } from '../../utils/chain/defineChain.js'
+
+export const that = /*#__PURE__*/ defineChain({
+  id: 8428,
+  name: 'THAT Mainnet',
+  nativeCurrency: { name: 'THAT', symbol: 'THAT', decimals: 18 },
+  rpcUrls: {
+    default: {
+      http: ['https://api.thatchain.io/mainnet'],
+    },
+  },
+  blockExplorers: {
+    default: {
+      name: 'Blockscout',
+      url: 'https://that.blockscout.com',
+    },
+  },
+  testnet: false,
+})

src/chains/index.ts

@@ -367,6 +367,7 @@ 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 { that } from './definitions/that.js'
 export { thunderCore } from './definitions/thunderCore.js'
 export { thunderTestnet } from './definitions/thunderTestnet.js'
 export { tiktrixTestnet } from './definitions/tiktrixTestnet.js'