frostfs-node/pkg/innerring/processors/netmap/process_peers.go

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package netmap
import (
"encoding/hex"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
"github.com/nspcc-dev/neofs-node/pkg/innerring/invoke"
netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
"go.uber.org/zap"
)
// Process add peer notification by sanity check of new node
// local epoch timer.
func (np *Processor) processAddPeer(node []byte) {
if !np.activeState.IsActive() {
np.log.Info("passive mode, ignore new peer notification")
return
}
// unmarshal node info
nodeInfo := netmap.NewNodeInfo()
if err := nodeInfo.Unmarshal(node); err != nil {
// it will be nice to have tx id at event structure to log it
np.log.Warn("can't parse network map candidate")
return
}
keyString := hex.EncodeToString(nodeInfo.PublicKey())
exists := np.netmapSnapshot.touch(keyString, np.epochState.EpochCounter())
if !exists {
np.log.Info("approving network map candidate",
zap.String("key", keyString))
if err := invoke.ApprovePeer(np.morphClient, np.netmapContract, node); err != nil {
np.log.Error("can't invoke netmap.AddPeer", zap.Error(err))
}
}
}
// Process update peer notification by sending approval tx to the smart contract.
func (np *Processor) processUpdatePeer(ev netmapEvent.UpdatePeer) {
if !np.activeState.IsActive() {
np.log.Info("passive mode, ignore new epoch tick")
return
}
// better use unified enum from neofs-api-go/v2/netmap package
if ev.Status() != netmap.NodeStateOffline {
np.log.Warn("node proposes unknown state",
zap.String("key", hex.EncodeToString(ev.PublicKey().Bytes())),
zap.Stringer("status", ev.Status()),
)
return
}
// flag node to remove from local view, so it can be re-bootstrapped
// again before new epoch will tick
np.netmapSnapshot.flag(ev.PublicKey().String())
err := invoke.UpdatePeerState(np.morphClient, np.netmapContract,
&invoke.UpdatePeerArgs{
Key: ev.PublicKey(),
Status: ev.Status(),
})
if err != nil {
np.log.Error("can't invoke netmap.UpdatePeer", zap.Error(err))
}
}