game.gno

 1package game25
 2
 3import (
 4	"strconv"
 5	"strings"
 6	"time"
 7
 8	"gno.land/p/nt/avl/v0"
 9	"gno.land/p/nt/ufmt/v0"
10)
11
12var (
13	admin      address
14	minterAddr address
15	balances   avl.Tree
16	lastClaim  avl.Tree
17	paused     bool
18)
19
20func init(cur realm) {
21	admin = cur.Previous().Address()
22}
23
24func isAdmin(cur realm) bool {
25	return cur.Previous().Address() == admin
26}
27
28func requireNotPaused() {
29	if paused {
30		panic("game is paused")
31	}
32}
33
34func SetMinter(cur realm, newMinter string) {
35	if !isAdmin(cur) {
36		panic("unauthorized: only admin can set minter")
37	}
38	minterAddr = address(newMinter)
39}
40
41func ClaimAndMint(cur realm, coinsJson string) {
42	requireNotPaused()
43	caller := cur.Previous().Address().String()
44	now := time.Now().Unix()
45	if lastClaim.Has(caller) {
46		last, _ := strconv.ParseInt(lastClaim.Get(caller).(string), 10, 64)
47		if now-last < 60 {
48			remaining := 60 - (now - last)
49			panic("too fast — " + strconv.FormatInt(remaining, 10) + "s remaining (1 min cooldown)")
50		}
51	}
52	lastClaim.Set(caller, strconv.FormatInt(now, 10))
53	coinsJson = strings.TrimSpace(coinsJson)
54	balances.Set(caller, coinsJson)
55}
56
57func ClaimAchievement(cur realm, achievementId string) {
58	requireNotPaused()
59	caller := cur.Previous().Address().String()
60	balances.Set(caller+":"+achievementId, "1")
61}
62
63func Render(_ string) string {
64	return ufmt.Sprintf("# GnoMoji\n\nAdmin: %s\n", admin.String())
65}