frostfs-api-go/pkg/owner/id.go
Evgeniy Kulikov 4e6350f6d4 [#147] Work around owner package
- implement Stringer interface and Parse method for owner.ID
- increase test coverage

closes #147

Signed-off-by: Evgeniy Kulikov <kim@nspcc.ru>
2020-10-15 11:05:37 +03:00

73 lines
1.8 KiB
Go

package owner
import (
"github.com/mr-tron/base58"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neofs-api-go/internal"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/pkg/errors"
)
// ID represents v2-compatible owner identifier.
type ID refs.OwnerID
// ErrBadID should be returned when bytes slice isn't Owner.ID size (NEO3WalletSize).
// Notice: if byte slice changed, please, replace error message.
const ErrBadID = internal.Error("owner.ID should be 25 bytes length")
// NewIDFromV2 wraps v2 OwnerID message to ID.
func NewIDFromV2(idV2 *refs.OwnerID) *ID {
return (*ID)(idV2)
}
// NewID creates and initializes blank ID.
//
// Works similar as NewIDFromV2(new(OwnerID)).
func NewID() *ID {
return NewIDFromV2(new(refs.OwnerID))
}
// SetNeo3Wallet sets owner identifier value to NEO3 wallet address.
func (id *ID) SetNeo3Wallet(v *NEO3Wallet) {
(*refs.OwnerID)(id).SetValue(v.Bytes())
}
// ToV2 returns the v2 owner ID message.
func (id *ID) ToV2() *refs.OwnerID {
return (*refs.OwnerID)(id)
}
func (id *ID) String() string {
return base58.Encode((*refs.OwnerID)(id).GetValue())
}
func ScriptHashBE(id *ID) ([]byte, error) {
addr, err := address.StringToUint160(id.String())
if err != nil {
return nil, err
}
return addr.BytesBE(), nil
}
// NewIDFromNeo3Wallet creates new owner identity from 25-byte neo wallet.
func NewIDFromNeo3Wallet(v *NEO3Wallet) *ID {
id := NewID()
id.SetNeo3Wallet(v)
return id
}
// Parse converts base58 string representation into ID.
func (id *ID) Parse(s string) error {
data, err := base58.Decode(s)
if err != nil {
return errors.Wrap(err, "could not parse owner.ID from string")
} else if len(data) != NEO3WalletSize {
return ErrBadID
}
(*refs.OwnerID)(id).SetValue(data)
return nil
}