fix IsValidRelayURL

utils.go

@@ -14,9 +14,6 @@ func IsValidRelayURL(u string) bool {
 	if parsed.Scheme != "wss" && parsed.Scheme != "ws" {
 		return false
 	}
-	if len(strings.Split(parsed.Host, ".")) < 2 {
-		return false
-	}
 	return true
 }
 

utils_test.go

@@ -0,0 +1,28 @@
+package nostr
+
+import (
+	"testing"
+)
+
+func TestIsValidRelayURL(t *testing.T) {
+	tests := []struct {
+		u    string
+		want bool
+	}{
+		{"ws://127.0.0.1", true},
+		{"ws://localhost", true},
+		{"wss://localhost", true},
+		{"wss://relay.nostr.com", true},
+		{"http://127.0.0.1", false},
+		{"127.0.0.1", false},
+		//{"wss://relay.nostr.com'", false},
+		//{"wss://relay.nostr.com'hiphop", true},
+	}
+
+	for _, test := range tests {
+		got := IsValidRelayURL(test.u)
+		if got != test.want {
+			t.Errorf("IsValidRelayURL want %v for %q but got %v", test.want, test.u, got)
+		}
+	}
+}