fix: Switch chain to rmrk2 on rmrk2.kodadot.xyz

middleware/prefix.ts

@@ -1,13 +1,37 @@
 import { chainPrefixes } from '@kodadot1/static'
 
+export const rmrk2ChainPrefixesInHostname = ['rmrk2', 'rmrk']
+
 export default function ({ store, route }): void {
   const prefix = route.params.prefix || route.path.split('/')[1]
   const chains = ['rmrk2', ...chainPrefixes]
   const isAnyChainPrefixInPath = chains.some((prefix) =>
     route.path.includes(prefix)
   )
+  const rmrk2ChainPrefixInHostname = rmrk2ChainPrefixesInHostname.find(
+    (prefix) => location.hostname.startsWith(`${prefix}.`)
+  )
+
+  if (rmrk2ChainPrefixInHostname) {
+    // fixed chain domain (for example: rmrk2.kodadot.xyz)
 
-  if (
+    if (
+      isAnyChainPrefixInPath &&
+      prefix &&
+      prefix !== rmrk2ChainPrefixInHostname
+    ) {
+      window.open(
+        // multi-chain domain (for example: kodadot.xyz)
+        `${window.location.origin.replace(
+          `${rmrk2ChainPrefixInHostname}.`,
+          ''
+        )}${route.fullPath}`,
+        '_self'
+      )
+    } else if (store.getters.currentUrlPrefix !== rmrk2ChainPrefixInHostname) {
+      store.dispatch('setUrlPrefix', 'rmrk2')
+    }
+  } else if (
     store.getters.currentUrlPrefix !== prefix &&
     prefix &&
     isAnyChainPrefixInPath