104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
package netmap
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import (
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"encoding/hex"
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"sort"
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"strings"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
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"go.uber.org/zap"
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)
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const approvePeerMethod = "addPeer"
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// Process add peer notification by sanity check of new node
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// local epoch timer.
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func (np *Processor) processAddPeer(node []byte) {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info("non alphabet mode, ignore new peer notification")
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return
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}
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// unmarshal node info
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nodeInfo := netmap.NewNodeInfo()
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if err := nodeInfo.Unmarshal(node); err != nil {
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// it will be nice to have tx id at event structure to log it
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np.log.Warn("can't parse network map candidate")
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return
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}
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// validate and update node info
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err := np.nodeValidator.VerifyAndUpdate(nodeInfo)
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if err != nil {
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np.log.Warn("could not verify and update information about network map candidate",
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zap.String("error", err.Error()),
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)
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return
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}
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// sort attributes to make it consistent
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a := nodeInfo.Attributes()
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sort.Slice(a, func(i, j int) bool {
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switch strings.Compare(a[i].Key(), a[j].Key()) {
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case -1:
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return true
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case 1:
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return false
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default:
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return a[i].Value() < a[j].Value()
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}
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})
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nodeInfo.SetAttributes(a...)
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// marshal node info back to binary
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node, err = nodeInfo.Marshal()
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if err != nil {
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np.log.Warn("can't marshal approved network map candidate",
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zap.String("error", err.Error()))
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return
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}
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keyString := hex.EncodeToString(nodeInfo.PublicKey())
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exists := np.netmapSnapshot.touch(keyString, np.epochState.EpochCounter())
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if !exists {
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np.log.Info("approving network map candidate",
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zap.String("key", keyString))
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err := np.morphClient.NotaryInvoke(np.netmapContract, np.feeProvider.SideChainFee(), approvePeerMethod, node)
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if err != nil {
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np.log.Error("can't invoke netmap.AddPeer", zap.Error(err))
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}
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}
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}
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// Process update peer notification by sending approval tx to the smart contract.
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func (np *Processor) processUpdatePeer(ev netmapEvent.UpdatePeer) {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info("non alphabet mode, ignore update peer notification")
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return
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}
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// better use unified enum from neofs-api-go/v2/netmap package
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if ev.Status() != netmap.NodeStateOffline {
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np.log.Warn("node proposes unknown state",
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zap.String("key", hex.EncodeToString(ev.PublicKey().Bytes())),
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zap.Stringer("status", ev.Status()),
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)
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return
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}
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// flag node to remove from local view, so it can be re-bootstrapped
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// again before new epoch will tick
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np.netmapSnapshot.flag(hex.EncodeToString(ev.PublicKey().Bytes()))
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err := np.morphClient.NotaryInvoke(np.netmapContract, np.feeProvider.SideChainFee(), updatePeerStateMethod,
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int64(ev.Status().ToV2()),
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ev.PublicKey().Bytes())
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if err != nil {
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np.log.Error("can't invoke netmap.UpdatePeer", zap.Error(err))
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}
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}
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