frostfs-node/pkg/morph/client/container/get.go
Pavel Karpy 1db6d316c2 [#971] morph/client: Adapt signature changes in wrappers
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-11-19 09:58:03 +03:00

105 lines
2.7 KiB
Go

package container
import (
"fmt"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
)
// GetArgs groups the arguments
// of get container test invoke call.
type GetArgs struct {
cid []byte // container identifier
}
// GetValues groups the stack parameters
// returned by get container test invoke.
type GetValues struct {
cnr []byte // container in a binary form
signature []byte // RFC-6979 signature of container
publicKey []byte // public key of the container signer
token []byte // token of the session within which the container was created
}
// SetCID sets the container identifier
// in a binary format.
func (g *GetArgs) SetCID(v []byte) {
g.cid = v
}
// Container returns the container
// in a binary format.
func (g *GetValues) Container() []byte {
return g.cnr
}
// Signature returns RFC-6979 signature of the container.
func (g *GetValues) Signature() []byte {
return g.signature
}
// PublicKey returns public key related to signature.
func (g *GetValues) PublicKey() []byte {
return g.publicKey
}
// SessionToken returns token of the session within which
// the container was created in a NeoFS API binary format.
func (g *GetValues) SessionToken() []byte {
return g.token
}
// Get performs the test invoke of get container
// method of NeoFS Container contract.
func (c *Client) Get(args GetArgs) (*GetValues, error) {
invokePrm := client.TestInvokePrm{}
invokePrm.SetMethod(c.getMethod)
invokePrm.SetArgs(args.cid)
prms, err := c.client.TestInvoke(invokePrm)
if err != nil {
return nil, fmt.Errorf("could not perform test invocation (%s): %w", c.getMethod, err)
} else if ln := len(prms); ln != 1 {
return nil, fmt.Errorf("unexpected stack item count (%s): %d", c.getMethod, ln)
}
arr, err := client.ArrayFromStackItem(prms[0])
if err != nil {
return nil, fmt.Errorf("could not get item array of container (%s): %w", c.getMethod, err)
}
if len(arr) != 4 {
return nil, fmt.Errorf("unexpected container stack item count (%s): %d", c.getMethod, len(arr))
}
cnrBytes, err := client.BytesFromStackItem(arr[0])
if err != nil {
return nil, fmt.Errorf("could not get byte array of container (%s): %w", c.getMethod, err)
}
sig, err := client.BytesFromStackItem(arr[1])
if err != nil {
return nil, fmt.Errorf("could not get byte array of container signature (%s): %w", c.getMethod, err)
}
pub, err := client.BytesFromStackItem(arr[2])
if err != nil {
return nil, fmt.Errorf("could not get byte array of public key (%s): %w", c.getMethod, err)
}
tok, err := client.BytesFromStackItem(arr[3])
if err != nil {
return nil, fmt.Errorf("could not get byte array of session token (%s): %w", c.getMethod, err)
}
return &GetValues{
cnr: cnrBytes,
signature: sig,
publicKey: pub,
token: tok,
}, nil
}