config.gno

 1package config
 2
 3import (
 4	"errors"
 5
 6	"gno.land/p/moul/authz/v0"
 7)
 8
 9var Authorizer *authz.Authorizer
10
11func init(cur realm) {
12	if !cur.Previous().IsUserCall() {
13		panic("r/moul/config must be initialized by an EOA")
14	}
15	Authorizer = authz.NewWithMembers(cur.Previous().Address())
16}
17
18// AddManager adds a new address to the list of authorized managers.
19// This only works if the current authority is a MemberAuthority.
20// The caller must be authorized by the current authority.
21func AddManager(cur realm, addr address) error {
22	memberAuth, ok := Authorizer.Authority().(*authz.MemberAuthority)
23	if !ok {
24		return errors.New("current authority is not a MemberAuthority, cannot add manager directly")
25	}
26	return memberAuth.AddMember(0, cur, addr)
27}
28
29// RemoveManager removes an address from the list of authorized managers.
30// This only works if the current authority is a MemberAuthority.
31// The caller must be authorized by the current authority.
32func RemoveManager(cur realm, addr address) error {
33	memberAuth, ok := Authorizer.Authority().(*authz.MemberAuthority)
34	if !ok {
35		return errors.New("current authority is not a MemberAuthority, cannot remove manager directly")
36	}
37	return memberAuth.RemoveMember(0, cur, addr)
38}
39
40// TransferManagement transfers the authority to manage keys to a new authority.
41// The caller must be authorized by the current authority.
42func TransferManagement(cur realm, newAuthority authz.Authority) error {
43	if newAuthority == nil {
44		return errors.New("new authority cannot be nil")
45	}
46	return Authorizer.Transfer(0, cur, newAuthority)
47}
48
49// ListManagers returns a slice of all managed keys.
50func ListManagers(cur realm) []address {
51	var keyList []address
52	memberAuth, ok := Authorizer.Authority().(*authz.MemberAuthority)
53	if !ok {
54		return keyList
55	}
56	tree := memberAuth.Tree()
57	if !ok || tree == nil {
58		return keyList // Return empty list if tree is not as expected or nil
59	}
60	tree.Iterate("", "", func(key string, _ any) bool {
61		keyList = append(keyList, address(key))
62		return false
63	})
64	return keyList
65}
66
67func HasManager(cur realm, addr address) bool {
68	memberAuth, ok := Authorizer.Authority().(*authz.MemberAuthority)
69	if !ok {
70		return false // Return false if not a MemberAuthority or doesn't exist
71	}
72	// Use the MemberAuthority's specific RemoveMember method,
73	// which internally performs the authorization check.
74	return memberAuth.Has(addr)
75}