minter.gno

  1// GnoMoji — Minter Realm
  2// gno.land/r/gnomoji/minter
  3//
  4// Treasury gateway for GnoMoji on Gno.land (v1.5.0 / Onyx testnet API).
  5// Called server-side by treasury.server.ts after a player earns coins via ClaimMine.
  6//
  7// Security: only the admin (treasury wallet, set at deploy time) can call Mint or MintTool.
  8
  9package minter2
 10
 11import (
 12	"strconv"
 13	"strings"
 14
 15	"gno.land/p/nt/avl/v0"
 16	"gno.land/p/nt/ufmt/v0"
 17)
 18
 19var (
 20	admin    address
 21	mintLogs avl.Tree // addr+":"+coinId → total minted (audit)
 22)
 23
 24func init(cur realm) {
 25	admin = cur.Previous().Address()
 26}
 27
 28func isAdmin(cur realm) bool {
 29	return cur.Previous().Address() == admin
 30}
 31
 32// UpdateAdmin transfers the admin role to a new address.
 33func UpdateAdmin(cur realm, newAdmin string) {
 34	if !isAdmin(cur) {
 35		panic("minter: unauthorized")
 36	}
 37	admin = address(newAdmin)
 38}
 39
 40// AdminAddr returns the current admin address.
 41func AdminAddr() string {
 42	return admin.String()
 43}
 44
 45// ── Core minting ──────────────────────────────────────────────────────────────
 46
 47// Mint credits coinId tokens to a player address.
 48// Records in internal audit log. Uncomment GRC20 cross-realm call once
 49// coin realms are deployed at gno.land/r/gnomoji/coins/{coinId}.
 50func Mint(cur realm, coinId string, toAddr string, amountStr string) {
 51	if !isAdmin(cur) {
 52		panic("minter: unauthorized — only treasury can mint")
 53	}
 54	if coinId == "" || toAddr == "" {
 55		panic("minter: coinId and toAddr required")
 56	}
 57	if !strings.HasPrefix(toAddr, "g1") {
 58		panic("minter: invalid Gno.land address")
 59	}
 60	amount, err := strconv.ParseUint(amountStr, 10, 64)
 61	if err != nil || amount == 0 {
 62		panic("minter: invalid amount")
 63	}
 64
 65	key := toAddr + ":" + coinId
 66	existing := uint64(0)
 67	if mintLogs.Has(key) {
 68		existing, _ = strconv.ParseUint(mintLogs.Get(key).(string), 10, 64)
 69	}
 70	mintLogs.Set(key, strconv.FormatUint(existing+amount, 10))
 71
 72	// Once GRC20 coin realms are deployed at gno.land/r/gnomoji/coins/{coinId},
 73	// uncomment to issue real on-chain tokens:
 74	//
 75	// coinPath := "gno.land/r/gnomoji/coins/" + coinId
 76	// std.Call(coinPath, "Mint", address(toAddr), amount)
 77}
 78
 79// MintTool records tool ownership for a player on-chain.
 80func MintTool(cur realm, toolId string, toAddr string, _ string) {
 81	if !isAdmin(cur) {
 82		panic("minter: unauthorized — only treasury can mint tools")
 83	}
 84	if toolId == "" || toAddr == "" {
 85		panic("minter: toolId and toAddr required")
 86	}
 87	mintLogs.Set(toAddr+":tool:"+toolId, "1")
 88}
 89
 90// ClearPendingMints notifies the game realm that coins have been minted.
 91func ClearPendingMints(cur realm, playerAddr string, coinsJson string) {
 92	if !isAdmin(cur) {
 93		panic("minter: unauthorized")
 94	}
 95	// Once game realm is deployed, uncomment:
 96	// std.Call("gno.land/r/gnomoji/game", "ClearPendingMints", playerAddr, coinsJson)
 97	_ = playerAddr
 98	_ = coinsJson
 99}
100
101// ── Queries ───────────────────────────────────────────────────────────────────
102
103func TotalMinted(playerAddr string, coinId string) string {
104	key := playerAddr + ":" + coinId
105	if mintLogs.Has(key) {
106		return mintLogs.Get(key).(string)
107	}
108	return "0"
109}
110
111func Render(_ string) string {
112	return ufmt.Sprintf(
113		"# GnoMoji Minter\n\nAdmin: `%s`\n\nUse Mint(coinId, addr, amount) to credit coins after ClaimMine.\n",
114		admin.String(),
115	)
116}