138 lines
3 KiB
Go
138 lines
3 KiB
Go
package address
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import (
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"errors"
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"strings"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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)
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// Address represents v2-compatible object address.
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type Address refs.Address
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var errInvalidAddressString = errors.New("incorrect format of the string object address")
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const (
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addressParts = 2
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addressSeparator = "/"
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)
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// NewAddressFromV2 converts v2 Address message to Address.
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//
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// Nil refs.Address converts to nil.
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func NewAddressFromV2(aV2 *refs.Address) *Address {
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return (*Address)(aV2)
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}
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// NewAddress creates and initializes blank Address.
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//
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// Works similar as NewAddressFromV2(new(Address)).
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//
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// Defaults:
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// - cid: nil;
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// - oid: nil.
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func NewAddress() *Address {
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return NewAddressFromV2(new(refs.Address))
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}
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// ToV2 converts Address to v2 Address message.
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//
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// Nil Address converts to nil.
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func (a *Address) ToV2() *refs.Address {
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return (*refs.Address)(a)
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}
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// ContainerID returns container identifier.
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func (a *Address) ContainerID() (v cid.ID) {
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var cID cid.ID
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v2 := (*refs.Address)(a)
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cidV2 := v2.GetContainerID()
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if cidV2 != nil {
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_ = cID.ReadFromV2(*cidV2)
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}
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return cID
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}
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// SetContainerID sets container identifier.
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func (a *Address) SetContainerID(id cid.ID) {
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var cidV2 refs.ContainerID
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id.WriteToV2(&cidV2)
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(*refs.Address)(a).SetContainerID(&cidV2)
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}
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// ObjectID returns object identifier.
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func (a *Address) ObjectID() (v oid.ID) {
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var id oid.ID
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v2 := (*refs.Address)(a)
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oidV2 := v2.GetObjectID()
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if oidV2 != nil {
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_ = id.ReadFromV2(*oidV2)
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}
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return id
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}
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// SetObjectID sets object identifier.
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func (a *Address) SetObjectID(id oid.ID) {
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var oidV2 refs.ObjectID
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id.WriteToV2(&oidV2)
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(*refs.Address)(a).SetObjectID(&oidV2)
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}
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// Parse converts base58 string representation into Address.
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func (a *Address) Parse(s string) error {
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var (
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err error
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oid oid.ID
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id cid.ID
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parts = strings.Split(s, addressSeparator)
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)
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if len(parts) != addressParts {
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return errInvalidAddressString
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} else if err = id.DecodeString(parts[0]); err != nil {
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return err
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} else if err = oid.DecodeString(parts[1]); err != nil {
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return err
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}
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a.SetObjectID(oid)
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a.SetContainerID(id)
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return nil
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}
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// String returns string representation of Object.Address.
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func (a *Address) String() string {
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return strings.Join([]string{
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a.ContainerID().String(),
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a.ObjectID().String(),
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}, addressSeparator)
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}
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// Marshal marshals Address into a protobuf binary form.
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func (a *Address) Marshal() ([]byte, error) {
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return (*refs.Address)(a).StableMarshal(nil)
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}
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// Unmarshal unmarshals protobuf binary representation of Address.
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func (a *Address) Unmarshal(data []byte) error {
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return (*refs.Address)(a).Unmarshal(data)
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}
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// MarshalJSON encodes Address to protobuf JSON format.
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func (a *Address) MarshalJSON() ([]byte, error) {
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return (*refs.Address)(a).MarshalJSON()
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}
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// UnmarshalJSON decodes Address from protobuf JSON format.
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func (a *Address) UnmarshalJSON(data []byte) error {
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return (*refs.Address)(a).UnmarshalJSON(data)
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}
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