demo.gno

 1package ownable
 2
 3import (
 4	"chain/runtime"
 5)
 6
 7var owner address = ""
 8
 9func InitOwner(cur realm) {
10	if len(owner) != 0 {
11		panic("owner already defined")
12	}
13	owner = runtime.PreviousRealm().Address()
14}
15
16func assertOnlyOwner() {
17	if runtime.PreviousRealm().Address() != owner {
18		panic("caller isn't the owner")
19	}
20}
21
22func ChangeOwner(cur realm, newOwner address) {
23	assertOnlyOwner()
24	owner = newOwner
25}
26
27func RenderDemo() string {
28	content := "## Live Demo\n"
29	content += "Owner address: **" + owner.String() + "**\n\n"
30	content += "[InitOwner](ownable$help&func=InitOwner)\n\n"
31	content += "[ChangeOwner](ownable$help&func=ChangeOwner)\n\n"
32	return content
33}