forked from TrueCloudLab/frostfs-api-go
104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
package owner
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import (
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"fmt"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/pkg/errors"
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)
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// ID represents v2-compatible owner identifier.
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type ID refs.OwnerID
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var errInvalidIDString = errors.New("incorrect format of the string owner ID")
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// NewIDFromV2 wraps v2 OwnerID message to ID.
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func NewIDFromV2(idV2 *refs.OwnerID) *ID {
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return (*ID)(idV2)
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}
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// NewID creates and initializes blank ID.
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//
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// Works similar as NewIDFromV2(new(OwnerID)).
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func NewID() *ID {
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return NewIDFromV2(new(refs.OwnerID))
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}
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// SetNeo3Wallet sets owner identifier value to NEO3 wallet address.
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func (id *ID) SetNeo3Wallet(v *NEO3Wallet) {
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(*refs.OwnerID)(id).SetValue(v.Bytes())
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}
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// ToV2 returns the v2 owner ID message.
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func (id *ID) ToV2() *refs.OwnerID {
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return (*refs.OwnerID)(id)
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}
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func (id *ID) String() string {
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return base58.Encode((*refs.OwnerID)(id).GetValue())
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}
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func ScriptHashBE(id fmt.Stringer) ([]byte, error) {
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addr, err := address.StringToUint160(id.String())
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if err != nil {
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return nil, err
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}
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return addr.BytesBE(), nil
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}
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// NewIDFromNeo3Wallet creates new owner identity from 25-byte neo wallet.
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func NewIDFromNeo3Wallet(v *NEO3Wallet) *ID {
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id := NewID()
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id.SetNeo3Wallet(v)
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return id
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}
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// Parse converts base58 string representation into ID.
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func (id *ID) Parse(s string) error {
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data, err := base58.Decode(s)
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if err != nil {
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return errors.Wrap(err, "could not parse owner.ID from string")
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} else if len(data) != NEO3WalletSize {
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return errInvalidIDString
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}
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(*refs.OwnerID)(id).SetValue(data)
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return nil
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}
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// Marshal marshals ID into a protobuf binary form.
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//
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// Buffer is allocated when the argument is empty.
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// Otherwise, the first buffer is used.
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func (id *ID) Marshal(b ...[]byte) ([]byte, error) {
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var buf []byte
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if len(b) > 0 {
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buf = b[0]
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}
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return (*refs.OwnerID)(id).
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StableMarshal(buf)
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}
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// Unmarshal unmarshals protobuf binary representation of ID.
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func (id *ID) Unmarshal(data []byte) error {
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return (*refs.OwnerID)(id).
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Unmarshal(data)
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}
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// MarshalJSON encodes ID to protobuf JSON format.
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func (id *ID) MarshalJSON() ([]byte, error) {
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return (*refs.OwnerID)(id).
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MarshalJSON()
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}
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// UnmarshalJSON decodes ID from protobuf JSON format.
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func (id *ID) UnmarshalJSON(data []byte) error {
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return (*refs.OwnerID)(id).
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UnmarshalJSON(data)
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}
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