fix(ens): support ens names with dashes in them

* fix: parseENSAddress #1200

* fix: lint error #1200

* fix: parseENSAddress - allow to match domains with twice characters; disallow more than once dash next to each other

src/utils/parseENSAddress.test.ts

@@ -10,5 +10,10 @@ describe('parseENSAddress', () => {
     expect(parseENSAddress('abso.lutely.eth')).toEqual({ ensName: 'abso.lutely.eth', ensPath: undefined })
     expect(parseENSAddress('eth')).toEqual(undefined)
     expect(parseENSAddress('eth/hello-world')).toEqual(undefined)
+    expect(parseENSAddress('hello-world.eth')).toEqual({ ensName: 'hello-world.eth', ensPath: undefined })
+    expect(parseENSAddress('-prefix-dash.eth')).toEqual(undefined)
+    expect(parseENSAddress('suffix-dash-.eth')).toEqual(undefined)
+    expect(parseENSAddress('it.eth')).toEqual({ ensName: 'it.eth', ensPath: undefined })
+    expect(parseENSAddress('only-single--dash.eth')).toEqual(undefined)
   })
 })

src/utils/parseENSAddress.ts

@@ -1,7 +1,7 @@
-const ENS_NAME_REGEX = /^(([a-zA-Z0-9]+\.)+)eth(\/.*)?$/
+const ENS_NAME_REGEX = /^(([a-zA-Z0-9]+(-[a-zA-Z0-9]+)*\.)+)eth(\/.*)?$/
 
 export function parseENSAddress(ensAddress: string): { ensName: string; ensPath: string | undefined } | undefined {
   const match = ensAddress.match(ENS_NAME_REGEX)
   if (!match) return undefined
-  return { ensName: `${match[1].toLowerCase()}eth`, ensPath: match[3] }
+  return { ensName: `${match[1].toLowerCase()}eth`, ensPath: match[4] }
 }