frostfs-node/pkg/morph/client/container/list.go
Evgenii Stratonikov 71b87155ef [] *: use stdlib errors package
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 16:42:54 +03:00

69 lines
1.7 KiB
Go

package container
import (
"fmt"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
)
// ListArgs groups the arguments
// of list containers test invoke call.
type ListArgs struct {
ownerID []byte // container owner identifier
}
// ListValues groups the stack parameters
// returned by list containers test invoke.
type ListValues struct {
cidList [][]byte // list of container identifiers
}
// SetOwnerID sets the container owner identifier
// in a binary format.
func (l *ListArgs) SetOwnerID(v []byte) {
l.ownerID = v
}
// CIDList returns the list of container
// identifiers in a binary format.
func (l *ListValues) CIDList() [][]byte {
return l.cidList
}
// List performs the test invoke of list container
// method of NeoFS Container contract.
func (c *Client) List(args ListArgs) (*ListValues, error) {
invokeArgs := make([]interface{}, 0, 1)
invokeArgs = append(invokeArgs, args.ownerID)
prms, err := c.client.TestInvoke(
c.listMethod,
invokeArgs...,
)
if err != nil {
return nil, fmt.Errorf("could not perform test invocation (%s): %w", c.listMethod, err)
} else if ln := len(prms); ln != 1 {
return nil, fmt.Errorf("unexpected stack item count (%s): %d", c.listMethod, ln)
}
prms, err = client.ArrayFromStackItem(prms[0])
if err != nil {
return nil, fmt.Errorf("could not get stack item array from stack item (%s): %w", c.listMethod, err)
}
res := &ListValues{
cidList: make([][]byte, 0, len(prms)),
}
for i := range prms {
cid, err := client.BytesFromStackItem(prms[i])
if err != nil {
return nil, fmt.Errorf("could not get byte array from stack item (%s): %w", c.listMethod, err)
}
res.cidList = append(res.cidList, cid)
}
return res, nil
}