Add Flow chains

utils/chains.ts

@@ -109,6 +109,8 @@ import {
   xdcTestnet,
   zilliqa,
   zilliqaTestnet,
+  flowMainnet,
+  flowTestnet,
 } from 'viem/chains';
 
 const ETHEREUM = mainnet.id;
@@ -214,6 +216,8 @@ const XDC = xdc.id;
 const XDC_TESTNET = xdcTestnet.id;
 const ZILLIQA = zilliqa.id;
 const ZILLIQA_TESTNET = zilliqaTestnet.id;
+const FLOW_MAINNET = flowMainnet.id;
+const FLOW_TESTNET = flowTestnet.id;
 
 type Chain =
   | typeof ETHEREUM
@@ -318,7 +322,9 @@ type Chain =
   | typeof XDC
   | typeof XDC_TESTNET
   | typeof ZILLIQA
-  | typeof ZILLIQA_TESTNET;
+  | typeof ZILLIQA_TESTNET
+  | typeof FLOW_MAINNET
+  | typeof FLOW_TESTNET;
 
 const CHAINS: Chain[] = [
   ETHEREUM,
@@ -424,6 +430,8 @@ const CHAINS: Chain[] = [
   XDC_TESTNET,
   ZILLIQA,
   ZILLIQA_TESTNET,
+  FLOW_MAINNET,
+  FLOW_TESTNET,
 ];
 
 function getChainEndpointUrl(chain: Chain): string | null {
@@ -644,6 +652,10 @@ function getChainData(chain: Chain): ChainData {
       return zilliqa;
     case ZILLIQA_TESTNET:
       return zilliqaTestnet;
+    case FLOW_MAINNET:
+      return flowMainnet;
+    case FLOW_TESTNET:
+      return flowTestnet;
   }
 }