56 lines
1.3 KiB
Go
56 lines
1.3 KiB
Go
package manifest
|
|
|
|
import (
|
|
"errors"
|
|
"sort"
|
|
|
|
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
|
|
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
|
|
)
|
|
|
|
// Parameter represents smartcontract's parameter's definition.
|
|
type Parameter struct {
|
|
Name string `json:"name"`
|
|
Type smartcontract.ParamType `json:"type"`
|
|
}
|
|
|
|
// NewParameter returns new parameter of specified name and type.
|
|
func NewParameter(name string, typ smartcontract.ParamType) Parameter {
|
|
return Parameter{
|
|
Name: name,
|
|
Type: typ,
|
|
}
|
|
}
|
|
|
|
// ToStackItem converts Parameter to stackitem.Item.
|
|
func (p *Parameter) ToStackItem() stackitem.Item {
|
|
return stackitem.NewStruct([]stackitem.Item{
|
|
stackitem.Make(p.Name),
|
|
stackitem.Make(int(p.Type)),
|
|
})
|
|
}
|
|
|
|
// FromStackItem converts stackitem.Item to Parameter.
|
|
func (p *Parameter) FromStackItem(item stackitem.Item) error {
|
|
var err error
|
|
if item.Type() != stackitem.StructT {
|
|
return errors.New("invalid Parameter stackitem type")
|
|
}
|
|
param := item.Value().([]stackitem.Item)
|
|
if len(param) != 2 {
|
|
return errors.New("invalid Parameter stackitem length")
|
|
}
|
|
p.Name, err = stackitem.ToString(param[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
typ, err := param[1].TryInteger()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
p.Type, err = smartcontract.ConvertToParamType(int(typ.Int64()))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|