forked from TrueCloudLab/neoneo-go
52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package vm
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import (
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"errors"
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"fmt"
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)
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// InteropFunc allows to hook into the VM.
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type InteropFunc func(vm *VM) error
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// runtimeLog handles the syscall "Neo.Runtime.Log" for printing and logging stuff.
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func runtimeLog(vm *VM) error {
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item := vm.Estack().Pop()
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fmt.Printf("NEO-GO-VM (log) > %s\n", item.Value())
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return nil
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}
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// runtimeNotify handles the syscall "Neo.Runtime.Notify" for printing and logging stuff.
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func runtimeNotify(vm *VM) error {
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item := vm.Estack().Pop()
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fmt.Printf("NEO-GO-VM (notify) > %s\n", item.Value())
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return nil
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}
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// RuntimeSerialize handles syscalls System.Runtime.Serialize and Neo.Runtime.Serialize.
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func RuntimeSerialize(vm *VM) error {
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item := vm.Estack().Pop()
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data, err := serializeItem(item.value)
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if err != nil {
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return err
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} else if len(data) > MaxItemSize {
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return errors.New("too big item")
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}
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vm.Estack().PushVal(data)
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return nil
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}
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// RuntimeDeserialize handles syscalls System.Runtime.Deserialize and Neo.Runtime.Deserialize.
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func RuntimeDeserialize(vm *VM) error {
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data := vm.Estack().Pop().Bytes()
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item, err := deserializeItem(data)
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if err != nil {
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return err
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}
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vm.Estack().Push(&Element{value: item})
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return nil
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}
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