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transaction.go
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transaction.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 (
"fmt"
"github.com/DNAProject/DNA/core/types"
vm "github.com/DNAProject/DNA/vm/neovm"
vmtypes "github.com/DNAProject/DNA/vm/neovm/types"
)
// GetExecutingAddress push transaction's hash to vm stack
func TransactionGetHash(service *NeoVmService, engine *vm.Executor) error {
txn, err := engine.EvalStack.PopAsInteropValue()
if err != nil {
return fmt.Errorf("[TransactionGetHash] PopAsInteropValue error:%s", err)
}
if tx, ok := txn.Data.(*types.Transaction); ok {
txHash := tx.Hash()
return engine.EvalStack.PushBytes(txHash.ToArray())
}
return fmt.Errorf("[TransactionGetHash] Type error")
}
// TransactionGetType push transaction's type to vm stack
func TransactionGetType(service *NeoVmService, engine *vm.Executor) error {
txn, err := engine.EvalStack.PopAsInteropValue()
if err != nil {
return fmt.Errorf("[TransactionGetType] PopAsInteropValue error:%s", err)
}
if tx, ok := txn.Data.(*types.Transaction); ok {
return engine.EvalStack.PushInt64(int64(tx.TxType))
}
return fmt.Errorf("[TransactionGetType] Type error")
}
// TransactionGetAttributes push transaction's attributes to vm stack
func TransactionGetAttributes(service *NeoVmService, engine *vm.Executor) error {
_, err := engine.EvalStack.PopAsInteropValue()
if err != nil {
return fmt.Errorf("[TransactionGetAttributes] PopAsInteropValue error: %s", err)
}
attributList := make([]vmtypes.VmValue, 0)
return engine.EvalStack.PushAsArray(attributList)
}