26C78BCF68FFED…3FA929ED7D77

Arguments · 7

1. #1fishtoken
2. #2fishtoken.gno
3. #3// Package fishtoken is the unreleased GnoFish FISH ledger. // Init mints a fixed supply once. No later call can mint. // While transfers are closed, a normal wallet cannot send FISH, so it cannot // fund a pool or sell through a market. The deploy wallet opens transfers. // The five treasury wallets, the deploy wallet, and a reward realm the deploy // wallet has granted may still send. This realm has no pool and no trade. // Public-sale FISH is minted to the deploy wallet. fishtoken-1. package fishtoken import ( "chain" "chain/runtime/unsafe" "strconv" "gno.land/p/nt/grc20/v0" "gno.land/p/nt/seqid/v0" ) const ( unit int64 = 1_000_000 supplyWhole int64 = 100_000_000 seasonWhole int64 = 43_000_000 liquidityWhole int64 = 20_000_000 ecosystemWhole int64 = 15_000_000 communityWhole int64 = 12_000_000 teamWhole int64 = 5_000_000 saleWhole int64 = 5_000_000 ) var ( seasonAddr = address("g1m6z3l9q577dltj73ym8fu0068peupqg468r5xe") liquidityAddr = address("g1lepzz7lehwfnwng0ddxaglz2kzmsf6pyy5f6tw") ecosystemAddr = address("g1p4cylgemajmw93e9a0nr0fmph60gee2yhkn2kz") communityAddr = address("g1dpklfykp2mrhcwccek54scv43kamtxlszya2z8") teamAddr = address("g15ejerz2n0xn5x94zezhquvwvp98m3jgkcwdrya") ) var ( token *grc20.Token ledger *grc20.PrivateLedger seq seqid.ID inited bool open bool admin address mover map[address]bool payer map[address]bool ) // Init mints the fixed supply once. The caller is the deploy wallet and receives the public-sale FISH. No coins. func Init(cur realm) { caller := requireUser(cur) takeExact(0) if inited { panic("fishtoken: init") } if !distinct(caller, seasonAddr, liquidityAddr, ecosystemAddr, communityAddr, teamAddr) { panic("fishtoken: addr") } tok, led := grc20.NewToken("FISH", "FISH", 6, seq.Next(), cur) credit(led, seasonAddr, seasonWhole*unit) credit(led, liquidityAddr, liquidityWhole*unit) credit(led, ecosystemAddr, ecosystemWhole*unit) credit(led, communityAddr, communityWhole*unit) credit(led, teamAddr, teamWhole*unit) credit(led, caller, saleWhole*unit) if tok.TotalSupply() != supplyWhole*unit { panic("fishtoken: supply") } token = tok ledger = led admin = caller open = false mover = map[address]bool{ caller: true, seasonAddr: true, liquidityAddr: true, ecosystemAddr: true, communityAddr: true, teamAddr: true, } payer = map[address]bool{} inited = true chain.Emit("Init", "admin", caller.String(), "supply", strconv.FormatInt(supplyWhole*unit, 10)) } // SetTransfers opens or closes ordinary wallet sends. The deploy wallet only. No coins. func SetTransfers(cur realm, next bool) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) open = next chain.Emit("SetTransfers", "open", strconv.FormatBool(next)) } // GrantMover lets that wallet send FISH while transfers are closed. The deploy wallet only. No coins. func GrantMover(cur realm, who address) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) if !who.IsValid() { panic("fishtoken: addr") } mover[who] = true chain.Emit("GrantMover", "who", who.String()) } // RevokeMover removes that wallet from the closed-transfer list. The deploy wallet only. No coins. func RevokeMover(cur realm, who address) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) if !who.IsValid() { panic("fishtoken: addr") } delete(mover, who) chain.Emit("RevokeMover", "who", who.String()) } // GrantDistributor lets that realm pay FISH to users while transfers are closed. The deploy wallet only. No coins. func GrantDistributor(cur realm, who address) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) if !who.IsValid() { panic("fishtoken: addr") } payer[who] = true chain.Emit("GrantDistributor", "who", who.String()) } // RevokeDistributor removes that reward realm. The deploy wallet only. No coins. func RevokeDistributor(cur realm, who address) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) if !who.IsValid() { panic("fishtoken: addr") } delete(payer, who) chain.Emit("RevokeDistributor", "who", who.String()) } // TransferAdmin hands the switch to next. Balances stay where they are. No coins. func TransferAdmin(cur realm, next address) { caller := requireUser(cur) takeExact(0) requireReady() requireAdmin(caller) if !next.IsValid() { panic("fishtoken: admin") } admin = next mover[next] = true chain.Emit("TransferAdmin", "next", next.String()) } // Transfer sends FISH from the caller to to. // A closed ledger rejects an ordinary wallet. Listed wallets and granted reward realms may still send. func Transfer(cur realm, to address, amount int64) { caller := cur.Previous().Address() if cur.Previous().IsUserCall() { takeExact(0) } requireReady() requireAmount(amount, to) if !mayMove(cur, caller, caller) { panic("fishtoken: closed") } must(ledger.CallerTeller().Transfer(0, cur, to, amount)) chain.Emit("Send", "to", to.String(), "amount", strconv.FormatInt(amount, 10)) } // Approve sets the spender allowance. It does not move FISH and does not open trading. No coins from an EOA. func Approve(cur realm, spender address, amount int64) { if cur.Previous().IsUserCall() { takeExact(0) } else if !payer[cur.Previous().Address()] { panic("fishtoken: closed") } requireReady() if amount < 0 || !spender.IsValid() { panic("fishtoken: amount") } must(ledger.CallerTeller().Approve(0, cur, spender, amount)) chain.Emit("Approve", "spender", spender.String(), "amount", strconv.FormatInt(amount, 10)) } // TransferFrom sends FISH using the caller's allowance. // While closed, only a granted reward realm may pull, and only from its own balance or from a listed wallet. func TransferFrom(cur realm, owner, to address, amount int64) { caller := cur.Previous().Address() if cur.Previous().IsUserCall() { takeExact(0) } requireReady() requireAmount(amount, to) if !mayMove(cur, caller, owner) { panic("fishtoken: closed") } must(ledger.CallerTeller().TransferFrom(0, cur, owner, to, amount)) chain.Emit("SendFrom", "owner", owner.String(), "to", to.String(), "amount", strconv.FormatInt(amount, 10)) } func TransfersOpen() bool { return open } func IsMover(who address) bool { return mover[who] } func IsDistributor(who address) bool { return payer[who] } func Version() string { return "fishtoken-1" } func Admin() address { return admin } func Name() string { requireReady() return token.GetName() } func Symbol() string { requireReady() return token.GetSymbol() } func Decimals() int { requireReady() return token.GetDecimals() } func TotalSupply() int64 { requireReady() return token.TotalSupply() } func BalanceOf(who address) int64 { requireReady() return token.BalanceOf(who) } func Allowance(owner, spender address) int64 { requireReady() return token.Allowance(owner, spender) } func TokenID() string { requireReady() return token.ID() } func Render(path string) string { if path != "" { return "# FISH\n\nUnknown path.\n" } if !inited { return "# FISH\n\nNot opened.\n" } state := "closed" if open { state = "open" } return "# FISH\n\nFixed supply. Transfers are " + state + ". A closed ledger does not fund a pool and does not trade. Listed wallets and granted reward realms can still send. Public-sale FISH was minted to the deploy wallet.\n" } func mayMove(cur realm, caller, from address) bool { if open { return true } if cur.Previous().IsUserCall() { return from == caller && mover[caller] } if !payer[caller] { return false } return from == caller || mover[from] } func requireAdmin(caller address) { if caller != admin { panic("fishtoken: admin") } } func requireAmount(amount int64, to address) { if amount <= 0 || !to.IsValid() { panic("fishtoken: amount") } } func credit(led *grc20.PrivateLedger, who address, amount int64) { if err := led.Mint(who, amount); err != nil { panic(err) } } func must(err error) { if err != nil { panic(err) } } func requireReady() { if !inited || token == nil || ledger == nil { panic("fishtoken: init") } } func requireUser(cur realm) address { if !cur.Previous().IsUserCall() { panic("fishtoken: eoa") } return cur.Previous().Address() } func takeExact(n int64) { sent := unsafe.OriginSend() if n == 0 { if len(sent) != 0 { panic("fishtoken: payment") } return } panic("fishtoken: payment") } func distinct(xs ...address) bool { for i, a := range xs { if !a.IsValid() { return false } for j := 0; j < i; j++ { if xs[j] == a { return false } } } return true }
4. #4gnomod.toml
5. #5module = "gno.land/r/g1n4pl5uc4yt5r96m9w6fmdznx3x0jyg8l6arhmt/fishtoken" gno = "0.9"
6. #6/gno.MemPackageType
7. #7 MPUserAll