Slot

SlotMashine/config.json

@@ -0,0 +1 @@
+{"name":"SlotMashine","abi":{"methods":[{"name":"_deploy","offset":0,"parameters":[{"name":"data","type":"Any"},{"name":"isUpdate","type":"Boolean"}],"returntype":"Void","safe":false},{"name":"onNEP17Payment","offset":273,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"roll","offset":146,"parameters":[],"returntype":"Integer","safe":false},{"name":"rollSlot","offset":95,"parameters":[{"name":"bet","type":"Integer"}],"returntype":"Void","safe":false}],"events":[{"name":"Hello world!","parameters":[{"name":"args","type":"Array"}]}]},"features":{},"groups":[{"pubkey":"027171df30177d401c638fb2ddc14f9dbda323291e363ba4f7c3b19a8b44c8ba0a","signature":"BJ8mav1w7idePc0nfCF0RnL07oO9nzJMoAfG5dPpKyFAcnb0ucTLPQLZUD/bkvH0F/oG3DlCHPscCEMz2b2wGg=="}],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null}

SlotMashine/config.yml

@@ -0,0 +1,11 @@
+name: SlotMashine
+sourceurl: http://example.com/
+safemethods: []
+supportedstandards: []
+events:
+    - name: Hello world!
+      parameters:
+        - name: args
+          type: Array
+permissions:
+    - methods: '*'

SlotMashine/go.mod

@@ -0,0 +1,5 @@
+module SlotMashine
+
+go 1.21.5
+
+require github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231020160724-c3955f87d1b5

SlotMashine/go.sum

@@ -0,0 +1,2 @@
+github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231020160724-c3955f87d1b5 h1:09CpI5uwsxb1EeFPIKQRwwWlfCmDD/Dwwh01lPiQScM=
+github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20231020160724-c3955f87d1b5/go.mod h1:J/Mk6+nKeKSW4wygkZQFLQ6SkLOSGX5Ga0RuuuktEag=

SlotMashine/slot.go

@@ -0,0 +1,99 @@
+package SlotMashine
+
+import (
+
+	"github.com/nspcc-dev/neo-go/pkg/interop"
+	"github.com/nspcc-dev/neo-go/pkg/interop/contract"
+	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
+)
+
+const (
+	zaCoinHashKey = "zaCoinHash"
+)
+
+func _deploy(data interface{}, isUpdate bool) {
+	if isUpdate {
+		return
+	}
+
+	// Parse hash of forint contract from incoming data
+	args := data.(struct {
+		zaCoinHash interop.Hash160
+	})
+
+	if len(args.zaCoinHash) != interop.Hash160Len {
+                panic("invalid hash of zaCoin contract")
+        }
+
+
+	ctx := storage.GetContext()
+	storage.Put(ctx, zaCoinHashKey, args.zaCoinHash)
+}
+
+func RollSlot(bet int) {
+	ctx := storage.GetContext()
+	playerOwner := runtime.GetScriptContainer().Sender
+	res := Roll()
+	if (res == 0){
+		changePlayerBalance(ctx, playerOwner, -bet)
+	} else {
+		win := res * bet
+		changePlayerBalance(ctx, playerOwner, win)
+	}
+}
+
+func Roll() int {
+	wheelNumber:="Wheel number: "
+	value:=" Value: "
+	firstWheel := (runtime.GetRandom() % 8) + 1
+	runtime.Notify(wheelNumber, 1, value, firstWheel)
+
+	secondWheel := (runtime.GetRandom() % 8) + 1
+	runtime.Notify(wheelNumber, 2, value, secondWheel)
+
+	thirdWheel := (runtime.GetRandom() % 8) + 1
+	runtime.Notify(wheelNumber, 3, value, thirdWheel)
+
+	if (firstWheel == secondWheel && firstWheel == thirdWheel){
+		return firstWheel
+	} else {
+		return 0
+	}
+
+}
+
+
+func OnNEP17Payment(from interop.Hash160, amount int, data any) {
+	ctx := storage.GetContext()
+	zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
+
+	callingHash := runtime.GetCallingScriptHash()
+	if !callingHash.Equals(zaCoinHash) {
+		panic("only ZC is accepted")
+	}
+}
+
+func changePlayerBalance(ctx storage.Context, playerOwner interop.Hash160, balanceChange int) {
+	zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
+	playerContract := runtime.GetExecutingScriptHash()
+
+	var from, to interop.Hash160
+	var transferAmount int
+	if balanceChange > 0 {
+		// Transfer funds from contract to player owner
+		from = playerContract
+		to = playerOwner
+		transferAmount = balanceChange
+	} else {
+		// Transfer funds from player owner to contract
+		from = playerOwner
+		to = playerContract
+		transferAmount = -balanceChange // We flip sender/receiver, but keep amount positive
+	}
+
+	transferred := contract.Call(zaCoinHash, "transfer", contract.All, from, to, transferAmount, nil).(bool)
+	if !transferred {
+		panic("failed to transfer zaCoins")
+	}
+}