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28 lines
696 B
Go
28 lines
696 B
Go
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package vm
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import (
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"github.com/CityOfZion/neo-go/pkg/vm/stack"
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)
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// Flow control
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// RET Returns from the current context
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// Returns HALT if there are nomore context's to run
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func RET(op stack.Instruction, ctx *stack.Context, istack *stack.Invocation, rstack *stack.RandomAccess) (Vmstate, error) {
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// Pop current context from the Inovation stack
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ctx, err := istack.PopCurrentContext()
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if err != nil {
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return FAULT, err
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}
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// If this was the last context, then we copy over the evaluation stack to the resultstack
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// As the program is about to terminate, once we remove the context
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if istack.Len() == 0 {
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err = ctx.Estack.CopyTo(rstack)
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return HALT, err
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}
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return NONE, nil
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}
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