minter.gno

  1// GnoMoji — Minter Realm
  2// gno.land/r/g138gdmwj6heduu3st796lw6qqdwylgaxf7ty5gz/minter4
  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 minter4
 10
 11import (
 12	"strconv"
 13	"strings"
 14
 15	"gno.land/p/nt/avl/v0"
 16	"gno.land/p/nt/ufmt/v0"
 17	coinsRealm "gno.land/r/g138gdmwj6heduu3st796lw6qqdwylgaxf7ty5gz/coins"
 18	gameRealm  "gno.land/r/g138gdmwj6heduu3st796lw6qqdwylgaxf7ty5gz/game3"
 19)
 20
 21var (
 22	admin    address
 23	mintLogs avl.Tree // addr+":"+coinId → total minted (audit)
 24)
 25
 26func init(cur realm) {
 27	admin = cur.Previous().Address()
 28}
 29
 30func isAdmin(cur realm) bool {
 31	return cur.Previous().Address() == admin
 32}
 33
 34// UpdateAdmin transfers the admin role to a new address.
 35func UpdateAdmin(cur realm, newAdmin string) {
 36	if !isAdmin(cur) {
 37		panic("minter: unauthorized")
 38	}
 39	admin = address(newAdmin)
 40}
 41
 42// AdminAddr returns the current admin address.
 43func AdminAddr() string {
 44	return admin.String()
 45}
 46
 47// Mint credits coinId tokens to a player address.
 48// Records in internal audit log and issues real tokens via the coins realm.
 49func Mint(cur realm, coinId string, toAddr string, amountStr string) {
 50	if !isAdmin(cur) {
 51		panic("minter: unauthorized — only treasury can mint")
 52	}
 53	if coinId == "" || toAddr == "" {
 54		panic("minter: coinId and toAddr required")
 55	}
 56	if !strings.HasPrefix(toAddr, "g1") {
 57		panic("minter: invalid Gno.land address")
 58	}
 59	amount, err := strconv.ParseUint(amountStr, 10, 64)
 60	if err != nil || amount == 0 {
 61		panic("minter: invalid amount")
 62	}
 63
 64	// Update audit log
 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	// Issue real tokens via the coins realm (cross-realm call)
 73	coinsRealm.Mint(cross(cur), coinId, toAddr, amountStr)
 74}
 75
 76// MintTool records tool ownership for a player on-chain.
 77func MintTool(cur realm, toolId string, toAddr string, _ string) {
 78	if !isAdmin(cur) {
 79		panic("minter: unauthorized — only treasury can mint tools")
 80	}
 81	if toolId == "" || toAddr == "" {
 82		panic("minter: toolId and toAddr required")
 83	}
 84	mintLogs.Set(toAddr+":tool:"+toolId, "1")
 85}
 86
 87// ClearPendingMints notifies the game realm that coins have been minted.
 88// Forwards the call to game3.ClearPendingMints to clear the player's pending balance.
 89func ClearPendingMints(cur realm, playerAddr string, coinsJson string) {
 90	if !isAdmin(cur) {
 91		panic("minter: unauthorized")
 92	}
 93	if playerAddr == "" {
 94		return
 95	}
 96	gameRealm.ClearPendingMints(cross(cur), playerAddr, coinsJson)
 97}
 98
 99// ── Queries ───────────────────────────────────────────────────────────────────
100
101func TotalMinted(playerAddr string, coinId string) string {
102	key := playerAddr + ":" + coinId
103	if mintLogs.Has(key) {
104		return mintLogs.Get(key).(string)
105	}
106	return "0"
107}
108
109func Render(_ string) string {
110	return ufmt.Sprintf(
111		"# GnoMoji Minter\n\nAdmin: `%s`\n\nPath: `gno.land/r/g138gdmwj6heduu3st796lw6qqdwylgaxf7ty5gz/minter4`\n\nUse Mint(coinId, addr, amount) to credit coins after ClaimMine.\n",
112		admin.String(),
113	)
114}