frostfs-node/pkg/morph/client/container/list.go

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package container
import (
"fmt"
"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
cid "github.com/TrueCloudLab/frostfs-sdk-go/container/id"
"github.com/TrueCloudLab/frostfs-sdk-go/user"
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)
// List returns a list of container identifiers belonging
// to the specified user of FrostFS system. The list is composed
// through Container contract call.
//
// Returns the identifiers of all FrostFS containers if pointer
// to user identifier is nil.
func (c *Client) List(idUser *user.ID) ([]cid.ID, error) {
var rawID []byte
if idUser != nil {
rawID = idUser.WalletBytes()
}
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prm := client.TestInvokePrm{}
prm.SetMethod(listMethod)
prm.SetArgs(rawID)
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res, err := c.client.TestInvoke(prm)
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if err != nil {
return nil, fmt.Errorf("could not perform test invocation (%s): %w", listMethod, err)
} else if ln := len(res); ln != 1 {
return nil, fmt.Errorf("unexpected stack item count (%s): %d", listMethod, ln)
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}
res, err = client.ArrayFromStackItem(res[0])
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if err != nil {
return nil, fmt.Errorf("could not get stack item array from stack item (%s): %w", listMethod, err)
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}
cidList := make([]cid.ID, 0, len(res))
for i := range res {
rawID, err := client.BytesFromStackItem(res[i])
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if err != nil {
return nil, fmt.Errorf("could not get byte array from stack item (%s): %w", listMethod, err)
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}
var id cid.ID
err = id.Decode(rawID)
if err != nil {
return nil, fmt.Errorf("decode container ID: %w", err)
}
cidList = append(cidList, id)
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}
return cidList, nil
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}