forked from TrueCloudLab/frostfs-node
[#708] morph/client: Add epoch block getter from netmap
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
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7e43af3de3
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3 changed files with 57 additions and 0 deletions
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@ -40,6 +40,7 @@ type cfg struct {
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epochSnapshotMethod, // get network map snapshot by epoch method name
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updateStateMethod, // update state method name for invocation
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epochMethod, // get epoch number method name
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epochBlockMethod, // get epoch number method name
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updateInnerRing, // update innerring method name
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setConfigMethod, // set config method name
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configMethod string // get config value method name
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@ -49,6 +50,7 @@ const (
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defaultAddPeerMethod = "addPeer" // default add peer method name
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defaultConfigMethod = "config" // default get config value method name
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defaultEpochMethod = "epoch" // default get epoch number method name
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defaultEpochBlockMethod = "epochBlock" // default get epoch block number method name
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defaultInnerRingListMethod = "innerRingList" // default get innerring list method name
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defaultNetMapCandidateMethod = "netmapCandidates" // default get network candidates method name
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defaultNetMapMethod = "netmap" // default get network map method name
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@ -66,6 +68,7 @@ func defaultConfig() *cfg {
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addPeerMethod: defaultAddPeerMethod,
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configMethod: defaultConfigMethod,
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epochMethod: defaultEpochMethod,
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epochBlockMethod: defaultEpochBlockMethod,
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innerRingList: defaultInnerRingListMethod,
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netMapCandidatesMethod: defaultNetMapCandidateMethod,
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netMapMethod: defaultNetMapMethod,
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@ -22,6 +22,22 @@ func (e EpochValues) Number() int64 {
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return e.num
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}
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// EpochBlockArgs groups the arguments of
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// get epoch block number test invoke call.
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type EpochBlockArgs struct {
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}
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// EpochBlockValues groups the stack parameters
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// returned by get epoch block number test invoke.
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type EpochBlockValues struct {
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block int64
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}
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// Block return the block number of NeoFS epoch.
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func (e EpochBlockValues) Block() int64 {
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return e.block
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}
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// Epoch performs the test invoke of get epoch number
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// method of NeoFS Netmap contract.
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func (c *Client) Epoch(_ EpochArgs) (*EpochValues, error) {
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@ -47,3 +63,28 @@ func (c *Client) Epoch(_ EpochArgs) (*EpochValues, error) {
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num: num,
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}, nil
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}
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// LastEpochBlock performs the test invoke of get epoch block number
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// method of NeoFS Netmap contract.
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func (c *Client) LastEpochBlock(_ EpochBlockArgs) (*EpochBlockValues, error) {
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items, err := c.client.TestInvoke(c.epochBlockMethod)
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if err != nil {
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return nil, fmt.Errorf("could not perform test invocation (%s): %w",
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c.epochBlockMethod, err)
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}
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if ln := len(items); ln != 1 {
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return nil, fmt.Errorf("unexpected stack item count (%s): %d",
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c.epochBlockMethod, ln)
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}
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block, err := client.IntFromStackItem(items[0])
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if err != nil {
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return nil, fmt.Errorf("could not get number from stack item (%s): %w",
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c.epochBlockMethod, err)
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}
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return &EpochBlockValues{
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block: block,
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}, nil
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}
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@ -18,3 +18,16 @@ func (w *Wrapper) Epoch() (uint64, error) {
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return uint64(vals.Number()), nil
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}
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// LastEpochBlock receives block number of current NeoFS epoch
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// through the Netmap contract call.
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func (w *Wrapper) LastEpochBlock() (uint32, error) {
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args := netmap.EpochBlockArgs{}
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vals, err := w.client.LastEpochBlock(args)
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if err != nil {
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return 0, fmt.Errorf("(%T) could not get epoch block number: %w", w, err)
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}
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return uint32(vals.Block()), nil
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}
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