frostfs-node/pkg/morph/client/netmap/ir_list.go
Stanislav Bogatyrev b7b5079934 Add Inner Ring code
2020-07-24 17:07:37 +03:00

61 lines
1.7 KiB
Go

package netmap
import (
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/pkg/errors"
)
// InnerRingListArgs groups the arguments
// of inner ring list test invoke call.
type InnerRingListArgs struct {
}
// InnerRingListValues groups the stack parameters
// returned by inner ring list test invoke.
type InnerRingListValues struct {
keys [][]byte // list of keys of IR nodes in a binary format
}
// KeyList return the list of IR node keys
// in a binary format.
func (g InnerRingListValues) KeyList() [][]byte {
return g.keys
}
// InnerRingList performs the test invoke of inner ring list
// method of NeoFS Netmap contract.
func (c *Client) InnerRingList(args InnerRingListArgs) (*InnerRingListValues, error) {
prms, err := c.client.TestInvoke(
c.innerRingListMethod,
)
if err != nil {
return nil, errors.Wrapf(err, "could not perform test invocation (%s)", c.innerRingListMethod)
} else if ln := len(prms); ln != 1 {
return nil, errors.Errorf("unexpected stack item count (%s): %d", c.innerRingListMethod, ln)
}
prms, err = client.ArrayFromStackParameter(prms[0])
if err != nil {
return nil, errors.Wrapf(err, "could not get stack item array from stack item (%s)", c.innerRingListMethod)
}
res := &InnerRingListValues{
keys: make([][]byte, 0, len(prms)),
}
for i := range prms {
nodePrms, err := client.ArrayFromStackParameter(prms[i])
if err != nil {
return nil, errors.Wrap(err, "could not get stack item array (Node #%d)")
}
key, err := client.BytesFromStackParameter(nodePrms[0])
if err != nil {
return nil, errors.Wrapf(err, "could not parse stack item (Key #%d)", i)
}
res.keys = append(res.keys, key)
}
return res, nil
}