forked from TrueCloudLab/frostfs-api-go
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
package refs
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import (
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"bytes"
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"crypto/ecdsa"
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"github.com/mr-tron/base58"
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"github.com/nspcc-dev/neofs-api-go/chain"
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"github.com/pkg/errors"
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)
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// NewOwnerID returns generated OwnerID from passed public keys.
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func NewOwnerID(keys ...*ecdsa.PublicKey) (owner OwnerID, err error) {
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if len(keys) == 0 {
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return
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}
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var d []byte
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d, err = base58.Decode(chain.KeysToAddress(keys...))
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if err != nil {
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return
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}
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copy(owner[:], d)
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return owner, nil
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}
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// Size returns OwnerID size in bytes (OwnerIDSize).
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func (OwnerID) Size() int { return OwnerIDSize }
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// Empty checks that current OwnerID is empty value.
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func (o OwnerID) Empty() bool { return bytes.Equal(o.Bytes(), emptyOwner) }
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// Equal checks that current OwnerID is equal to passed OwnerID.
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func (o OwnerID) Equal(id OwnerID) bool { return bytes.Equal(o.Bytes(), id.Bytes()) }
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// Reset sets current OwnerID to empty value.
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func (o *OwnerID) Reset() { *o = OwnerID{} }
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// ProtoMessage method to satisfy proto.Message interface.
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func (OwnerID) ProtoMessage() {}
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// Marshal returns OwnerID bytes representation.
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func (o OwnerID) Marshal() ([]byte, error) { return o.Bytes(), nil }
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// MarshalTo copies OwnerID bytes representation into passed slice of bytes.
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func (o OwnerID) MarshalTo(data []byte) (int, error) { return copy(data, o.Bytes()), nil }
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// String returns string representation of OwnerID.
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func (o OwnerID) String() string { return base58.Encode(o[:]) }
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// Bytes returns OwnerID bytes representation.
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func (o OwnerID) Bytes() []byte {
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buf := make([]byte, OwnerIDSize)
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copy(buf, o[:])
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return buf
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}
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// Unmarshal tries to parse OwnerID bytes representation into current OwnerID.
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func (o *OwnerID) Unmarshal(data []byte) error {
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if ln := len(data); ln != OwnerIDSize {
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return errors.Wrapf(ErrWrongDataSize, "expect=%d, actual=%d", OwnerIDSize, ln)
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}
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copy((*o)[:], data)
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return nil
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}
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