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attribute.go
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/
attribute.go
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/*
* Copyright (C) 2018 The ZeepinChain Authors
* This file is part of The ZeepinChain library.
*
* The ZeepinChain 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 ZeepinChain 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 ZeepinChain. If not, see <http://www.gnu.org/licenses/>.
*/
package embed
import (
"github.com/zeepin/ZeepinChain/core/types"
vm "github.com/zeepin/ZeepinChain/embed/simulator"
)
// AttributeGetUsage put attribute's usage to vm stack
func AttributeGetUsage(service *EmbeddedService, engine *vm.ExecutionEngine) error {
i, err := vm.PopInteropInterface(engine)
if err != nil {
return err
}
vm.PushData(engine, int(i.(*types.TxAttribute).Usage))
return nil
}
// AttributeGetData put attribute's data to vm stack
func AttributeGetData(service *EmbeddedService, engine *vm.ExecutionEngine) error {
i, err := vm.PopInteropInterface(engine)
if err != nil {
return err
}
vm.PushData(engine, i.(*types.TxAttribute).Data)
return nil
}