life.gno

  1package fish
  2
  3import (
  4	"chain/runtime"
  5	"crypto/sha256"
  6	"strconv"
  7	"time"
  8
  9	"gno.land/r/g1n4pl5uc4yt5r96m9w6fmdznx3x0jyg8l6arhmt/shoal/shoaltoken"
 10)
 11
 12func Register(cur realm, id int, stake int64) {
 13	caller := requireUser(cur)
 14	body := must(id)
 15	if body.owner != caller {
 16		panic("fish: owner")
 17	}
 18	if body.inMatch {
 19		panic("fish: match")
 20	}
 21	if body.mustHeal {
 22		panic("fish: heal")
 23	}
 24	guardMovable(body)
 25	if tooHurt(body) {
 26		panic("fish: hp")
 27	}
 28	if walletInSea(caller) {
 29		panic("fish: one")
 30	}
 31	if !arenaStake(stake) {
 32		panic("fish: stake")
 33	}
 34	takeExact(stake)
 35	now := time.Now().Unix()
 36	body.pool = stake
 37	body.inMatch = true
 38	body.boutPaid = false
 39	body.startUnix = now
 40	body.endUnix = 0
 41	body.lastCombatMilli = -1
 42	body.nextMoveMilli = 0
 43	body.burstUntil = 0
 44	body.nextBurstAt = 0
 45	body.springBorn = -1
 46	placeSwimmer(body)
 47	clearDamage(id)
 48}
 49
 50func Leave(cur realm, id int) {
 51	caller := requireUser(cur)
 52	takeExact(0)
 53	body := must(id)
 54	if body.owner != caller {
 55		panic("fish: owner")
 56	}
 57	if !body.inMatch {
 58		panic("fish: match")
 59	}
 60	nowMs := time.Now().UnixMilli()
 61	if body.lastCombatMilli >= 0 && nowMs < body.lastCombatMilli+combatLockMs {
 62		panic("fish: stay")
 63	}
 64	returnCheers(body, cur)
 65	stake := body.pool
 66	body.pool = 0
 67	body.inMatch = false
 68	body.boutPaid = false
 69	clearDamage(id)
 70	send(caller, stake, cur)
 71}
 72
 73func SettleMatch(cur realm, id int) {
 74	requireUser(cur)
 75	takeExact(0)
 76	body := must(id)
 77	if !body.inMatch {
 78		panic("fish: match")
 79	}
 80	_ = body
 81	panic("fish: sea")
 82}
 83
 84func CommitLay(cur realm, id int) {
 85	caller := requireUser(cur)
 86	body := must(id)
 87	if body.owner != caller {
 88		panic("fish: owner")
 89	}
 90	guardMovable(body)
 91	left := body.bouts - body.layBoutsUsed
 92	if left < 3 {
 93		panic("fish: bouts")
 94	}
 95	takeExact(layFee)
 96	payMint(layFee, cur)
 97	body.layBoutsUsed = body.bouts
 98	body.layOpen = true
 99	body.layHeight = runtime.ChainHeight()
100}
101
102func SettleLay(cur realm, id int) int {
103	requireUser(cur)
104	takeExact(0)
105	body := must(id)
106	if !body.layOpen {
107		panic("fish: lay")
108	}
109	height := runtime.ChainHeight()
110	if height < body.layHeight+layBlocks {
111		panic("fish: early")
112	}
113	trait := traitFrom(body.id, body.layHeight, height, time.Now().Unix())
114	body.layOpen = false
115	return issue(body.owner, body.name+" fry", body.rarity, body.size, trait)
116}
117
118// Upgrade spends 15 FISH to step two played Common fish to Uncommon.
119// The FISH fee burns. The team takes none of it. No GNOT moves.
120// Higher tiers stay closed until a commit-reveal roll exists.
121func Upgrade(cur realm, keep, food int) int {
122	caller := requireUser(cur)
123	if keep == food {
124		panic("fish: upgrade")
125	}
126	a := must(keep)
127	b := must(food)
128	if a.owner != caller || b.owner != caller {
129		panic("fish: owner")
130	}
131	guardMovable(a)
132	guardMovable(b)
133	if a.rarity != b.rarity || a.size != b.size || a.trait != b.trait {
134		panic("fish: pair")
135	}
136	if a.bouts < 1 || b.bouts < 1 {
137		panic("fish: bouts")
138	}
139	if a.rarity != "common" {
140		panic("fish: roll")
141	}
142	takeExact(0)
143	if !fishTokenReady() {
144		panic("fish: fish")
145	}
146	got := shoaltoken.Draw(cross(cur), caller, burnSink, upgradeFishFee)
147	if got != upgradeFishFee {
148		panic("fish: fish")
149	}
150	name := a.name
151	size := a.size
152	trait := a.trait
153	burnBody(a)
154	burnBody(b)
155	return issue(caller, name, "uncommon", size, trait)
156}
157
158func burnBody(body *fishBody) {
159	burnGRC(body.id)
160	body.burned = true
161	body.owner = address("")
162	body.seller = address("")
163	body.price = 0
164	body.listed = false
165	body.pool = 0
166	body.inMatch = false
167	body.layOpen = false
168}
169
170func traitFrom(id int, commitHeight, settleHeight, unix int64) string {
171	raw := strconv.Itoa(id) + ":" + strconv.FormatInt(commitHeight, 10) + ":" + strconv.FormatInt(settleHeight, 10) + ":" + strconv.FormatInt(unix, 10)
172	sum := sha256.Sum256([]byte(raw))
173	var n int64
174	for i := 0; i < len(sum); i++ {
175		n = (n*256 + int64(sum[i])) % 3
176	}
177	switch n {
178	case 0:
179		return "swift"
180	case 1:
181		return "fang"
182	default:
183		return "hide"
184	}
185}