frostfs-api-go/session/service.go

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package session
import (
"context"
"crypto/ecdsa"
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"github.com/nspcc-dev/neofs-api-go/refs"
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crypto "github.com/nspcc-dev/neofs-crypto"
)
type (
// KeyStore is an interface that describes storage,
// that allows to fetch public keys by OwnerID.
KeyStore interface {
Get(ctx context.Context, id refs.OwnerID) ([]*ecdsa.PublicKey, error)
}
// TokenStore is a PToken storage manipulation interface.
TokenStore interface {
// New returns new token with specified parameters.
New(p TokenParams) *PToken
// Fetch tries to fetch a token with specified id.
Fetch(id TokenID) *PToken
// Remove removes token with id from store.
Remove(id TokenID)
}
// TokenParams contains params to create new PToken.
TokenParams struct {
FirstEpoch uint64
LastEpoch uint64
ObjectID []ObjectID
OwnerID OwnerID
PublicKeys [][]byte
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}
)
// NewInitRequest returns new initialization CreateRequest from passed Token.
func NewInitRequest(t *Token) *CreateRequest {
return &CreateRequest{Message: &CreateRequest_Init{Init: t}}
}
// NewSignedRequest returns new signed CreateRequest from passed Token.
func NewSignedRequest(t *Token) *CreateRequest {
return &CreateRequest{Message: &CreateRequest_Signed{Signed: t}}
}
// Sign signs contents of the header with the private key.
func (m *VerificationHeader) Sign(key *ecdsa.PrivateKey) error {
s, err := crypto.Sign(key, m.PublicKey)
if err != nil {
return err
}
m.KeySignature = s
return nil
}