forked from TrueCloudLab/frostfs-node
c167ae26f9
Parsers should have original notification structure to be able to construct internal event structure that contains necessary for unique nonce calculation information. So notification parsers take raw notification structure instead of slice of stack items. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package netmap
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/rpc/response/result/subscriptions"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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)
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// NewEpoch is a new epoch Neo:Morph event.
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type NewEpoch struct {
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num uint64
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (NewEpoch) MorphEvent() {}
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// EpochNumber returns new epoch number.
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func (s NewEpoch) EpochNumber() uint64 {
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return s.num
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}
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// ParseNewEpoch is a parser of new epoch notification event.
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//
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// Result is type of NewEpoch.
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func ParseNewEpoch(e *subscriptions.NotificationEvent) (event.Event, error) {
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params, err := event.ParseStackArray(e)
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if err != nil {
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return nil, fmt.Errorf("could not parse stack items from notify event: %w", err)
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}
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if ln := len(params); ln != 1 {
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return nil, event.WrongNumberOfParameters(1, ln)
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}
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prmEpochNum, err := client.IntFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get integer epoch number: %w", err)
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}
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return NewEpoch{
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num: uint64(prmEpochNum),
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}, nil
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}
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