74 lines
2 KiB
Go
74 lines
2 KiB
Go
package Exchanger
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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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"github.com/nspcc-dev/neo-go/pkg/interop/native/gas"
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"github.com/nspcc-dev/neo-go/pkg/interop/lib/address"
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)
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const (
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zaCoinHashKey = "zaCoinHash"
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)
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var walletAddress = address.ToHash160("NXbLSnHA8dNuMUPUSNNivx7XFucN1w5bRq")
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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 BuyZaCoin(gasCount int) bool {
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ctx := storage.GetContext()
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zaCoinHash := storage.Get(ctx, zaCoinHashKey).(interop.Hash160)
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playerOwner := runtime.GetScriptContainer().Sender
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playerBalance := gas.BalanceOf(playerOwner)
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if playerBalance < gasCount {
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panic("Insufficient funds")
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}
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//contractHash := runtime.GetExecutingScriptHash()
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transferredGas := gas.Transfer(playerOwner, walletAddress, gasCount, nil)
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if !transferredGas {
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panic("failed to transfer gas")
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}
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resultAmountZaCoin := gasCount * 57
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transferredZaCoin := contract.Call(zaCoinHash, "transfer", contract.All, walletAddress, playerBalance, resultAmountZaCoin, nil).(bool)
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if !transferredZaCoin {
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panic("Failed to transfer zaCoins")
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} else {
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runtime.Log("Gas balance: "+ string(gas.BalanceOf(playerOwner)))
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//runtime.Log("ZaCoin balance: " + string(contract.Call(zaCoinHash) + "balanceOf" +string(contract.ReadStates) + string(playerOwner)))
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}
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return transferredZaCoin
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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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