97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
package netmap
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import (
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"crypto/elliptic"
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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// UpdateIRPrm groups parameters of UpdateInnerRing
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// invocation.
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type UpdateIRPrm struct {
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keys keys.PublicKeys
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client.InvokePrmOptional
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}
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// SetKeys sets new inner ring keys.
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func (u *UpdateIRPrm) SetKeys(keys keys.PublicKeys) {
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u.keys = keys
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}
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// UpdateInnerRing updates inner ring keys.
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func (c *Client) UpdateInnerRing(p UpdateIRPrm) error {
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args := make([][]byte, len(p.keys))
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for i := range args {
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args[i] = p.keys[i].Bytes()
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}
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prm := client.InvokePrm{}
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prm.SetMethod(updateInnerRingMethod)
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prm.SetArgs(args)
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prm.InvokePrmOptional = p.InvokePrmOptional
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_, err := c.client.Invoke(prm)
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return err
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}
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// GetInnerRingList return current IR list.
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func (c *Client) GetInnerRingList() (keys.PublicKeys, error) {
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invokePrm := client.TestInvokePrm{}
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invokePrm.SetMethod(innerRingListMethod)
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prms, err := c.client.TestInvoke(invokePrm)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w", innerRingListMethod, err)
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}
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return irKeysFromStackItem(prms, innerRingListMethod)
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}
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func irKeysFromStackItem(stack []stackitem.Item, method string) (keys.PublicKeys, error) {
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if ln := len(stack); ln != 1 {
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return nil, fmt.Errorf("unexpected stack item count (%s): %d", method, ln)
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}
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irs, err := client.ArrayFromStackItem(stack[0])
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if err != nil {
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return nil, fmt.Errorf("could not get stack item array from stack item (%s): %w", method, err)
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}
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irKeys := make(keys.PublicKeys, len(irs))
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for i := range irs {
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irKeys[i], err = irKeyFromStackItem(irs[i])
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if err != nil {
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return nil, err
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}
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}
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return irKeys, nil
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}
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const irNodeFixedPrmNumber = 1
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func irKeyFromStackItem(prm stackitem.Item) (*keys.PublicKey, error) {
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prms, err := client.ArrayFromStackItem(prm)
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if err != nil {
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return nil, fmt.Errorf("could not get stack item array (IRNode): %w", err)
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} else if ln := len(prms); ln != irNodeFixedPrmNumber {
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return nil, fmt.Errorf(
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"unexpected stack item count (IRNode): expected %d, has %d",
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irNodeFixedPrmNumber,
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ln,
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)
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}
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byteKey, err := client.BytesFromStackItem(prms[0])
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if err != nil {
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return nil, fmt.Errorf("could not parse bytes from stack item (IRNode): %w", err)
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}
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return keys.NewPublicKeyFromBytes(byteKey, elliptic.P256())
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}
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