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system.go
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system.go
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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright 2019 DNA Dev team
//
/*
* Copyright (C) 2018 The ontology Authors
* This file is part of The ontology library.
*
* The ontology is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ontology is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with The ontology. If not, see <http://www.gnu.org/licenses/>.
*/
package neovm
import (
"github.com/DNAProject/DNA/errors"
vm "github.com/DNAProject/DNA/vm/neovm"
)
// GetCodeContainer push current transaction to vm stack
func GetCodeContainer(service *NeoVmService, engine *vm.Executor) error {
return engine.EvalStack.PushAsInteropValue(service.Tx)
}
// GetExecutingAddress push current context to vm stack
func GetExecutingAddress(service *NeoVmService, engine *vm.Executor) error {
context := service.ContextRef.CurrentContext()
if context == nil {
return errors.NewErr("Current context invalid")
}
return engine.EvalStack.PushBytes(context.ContractAddress[:])
}
// GetExecutingAddress push previous context to vm stack
func GetCallingAddress(service *NeoVmService, engine *vm.Executor) error {
context := service.ContextRef.CallingContext()
if context == nil {
return errors.NewErr("Calling context invalid")
}
return engine.EvalStack.PushBytes(context.ContractAddress[:])
}
// GetExecutingAddress push entry call context to vm stack
func GetEntryAddress(service *NeoVmService, engine *vm.Executor) error {
context := service.ContextRef.EntryContext()
if context == nil {
return errors.NewErr("Entry context invalid")
}
return engine.EvalStack.PushBytes(context.ContractAddress[:])
}