107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
package SlotMashine
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import (
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"github.com/nspcc-dev/neo-go/pkg/interop"
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"github.com/nspcc-dev/neo-go/pkg/interop/contract"
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"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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"github.com/nspcc-dev/neo-go/pkg/interop/storage"
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)
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const (
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zaCoinHashKey = "zaCoinHash"
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)
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func _deploy(data interface{}, isUpdate bool) {
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if isUpdate {
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return
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}
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args := data.(struct {
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zaCoinHash interop.Hash160
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})
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if len(args.zaCoinHash) != interop.Hash160Len {
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panic("Invalid hash of zaCoin contract")
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}
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ctx := storage.GetContext()
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storage.Put(ctx, zaCoinHashKey, args.zaCoinHash)
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}
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func RollSlot(bet int) {
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ctx := storage.GetContext()
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playerOwner := runtime.GetScriptContainer().Sender
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if bet <= 0 {
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panic("Invalid bet amount")
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}
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zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
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playerBalance := contract.Call(zaCoinHash, "balanceOf", contract.ReadStates, playerOwner).(int)
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if playerBalance < bet {
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panic("Insufficient funds")
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}
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res := roll()
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if (res == 0){
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changePlayerBalance(ctx, playerOwner, -bet)
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} else {
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win := res * bet
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changePlayerBalance(ctx, playerOwner, win)
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}
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playerBalance = contract.Call(zaCoinHash, "balanceOf", contract.ReadStates, playerOwner).(int)
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runtime.Notify("playerBalance", playerBalance)
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}
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func roll() int {
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var result []int
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for i:=0; i<3; i++ {
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wheel := (runtime.GetRandom() % 8) + 1
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result = append(result, wheel)
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runtime.Log("WheelNumber=" + string(i + 1) +", value="+string(wheel))
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}
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runtime.Notify("SlotResult", result)
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if (result[0] == result[1] && result[0] == result[2]){
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return result[0]
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} else {
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return 0
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}
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}
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func OnNEP17Payment(from interop.Hash160, amount int, data any) {
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ctx := storage.GetContext()
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zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
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callingHash := runtime.GetCallingScriptHash()
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if !callingHash.Equals(zaCoinHash) {
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panic("Only ZC is accepted")
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}
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}
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func changePlayerBalance(ctx storage.Context, playerOwner interop.Hash160, balanceChange int) {
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zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
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playerContract := runtime.GetExecutingScriptHash()
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var from, to interop.Hash160
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var transferAmount int
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if balanceChange > 0 {
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from = playerContract
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to = playerOwner
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transferAmount = balanceChange
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} else {
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from = playerOwner
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to = playerContract
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transferAmount = -balanceChange
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}
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transferred := contract.Call(zaCoinHash, "transfer", contract.All, from, to, transferAmount, nil).(bool)
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if !transferred {
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panic("failed to transfer zaCoins")
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}
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}
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