realmid.gno

 1package realmid
 2
 3import (
 4	"chain/runtime"
 5	"strings"
 6)
 7
 8// Returns the identifier of the previous realm in the call chain.
 9func Previous() string {
10	r := runtime.PreviousRealm()
11	if r.IsUser() {
12		return r.Address().String()
13	}
14	return r.PkgPath()
15}
16
17// Returns the identifier of the current realm.
18func Current() string {
19	r := runtime.CurrentRealm()
20	if r.IsUser() {
21		return r.Address().String()
22	}
23	return r.PkgPath()
24}
25
26// Checks if the given identifier is a package path.
27// Package paths contain dots (e.g., "gno.land/p/demo/users").
28func IsPackage(id string) bool {
29	return strings.ContainsRune(id, '.')
30}
31
32// Checks if the given identifier is a user address.
33// User addresses don't contain dots (e.g., "g1abc...def").
34func IsUser(id string) bool {
35	return !IsPackage(id)
36}