32 lines
844 B
Go
32 lines
844 B
Go
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package counter
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import (
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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 itemKey = "Counter"
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func _deploy(_ interface{}, isUpdate bool) {
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if !isUpdate {
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ctx := storage.GetContext()
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runtime.Notify("info", []byte("Counter not set in Storage. Setting to 0"))
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itemValue := 0
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storage.Put(ctx, itemKey, itemValue)
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runtime.Notify("info", []byte("Counter in Storage is now initialised"))
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}
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}
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func Main() interface{} {
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ctx := storage.GetContext()
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itemValue := storage.Get(ctx, itemKey)
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runtime.Notify("info", []byte("Value read from Storage"))
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runtime.Notify("info", []byte("Incrementing Counter by 1"))
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itemValue = itemValue.(int) + 1
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storage.Put(ctx, itemKey, itemValue)
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runtime.Notify("info", []byte("New counter value written into Storage"))
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return itemValue
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}
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