214c2bd0cb
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
219 lines
5.6 KiB
Go
219 lines
5.6 KiB
Go
package netmap
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import (
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"bytes"
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"encoding/hex"
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"sort"
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"strings"
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netmapclient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap/wrapper"
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netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
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subnetEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/subnet"
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"github.com/nspcc-dev/neofs-sdk-go/netmap"
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subnetid "github.com/nspcc-dev/neofs-sdk-go/subnet/id"
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"go.uber.org/zap"
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)
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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(ev netmapEvent.AddPeer) {
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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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// check if notary transaction is valid, see #976
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if originalRequest := ev.NotaryRequest(); originalRequest != nil {
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tx := originalRequest.MainTransaction
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ok, err := np.netmapClient.Morph().IsValidScript(tx.Script, tx.Signers)
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if err != nil || !ok {
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np.log.Warn("non-halt notary transaction",
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zap.String("method", "netmap.AddPeer"),
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zap.String("hash", tx.Hash().StringLE()),
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zap.Error(err))
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return
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}
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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(ev.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 updated node info structure
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nodeInfoBinary, err := nodeInfo.Marshal()
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if err != nil {
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np.log.Warn("could not marshal updated 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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keyString := hex.EncodeToString(nodeInfo.PublicKey())
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updated := np.netmapSnapshot.touch(keyString, np.epochState.EpochCounter(), nodeInfoBinary)
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if updated {
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np.log.Info("approving network map candidate",
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zap.String("key", keyString))
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prm := netmapclient.AddPeerPrm{}
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prm.SetNodeInfo(nodeInfo)
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if nr := ev.NotaryRequest(); nr != nil {
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// create new notary request with the original nonce
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err = np.netmapClient.Morph().NotaryInvoke(
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np.netmapClient.ContractAddress(),
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0,
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nr.MainTransaction.Nonce,
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nil,
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netmapEvent.AddPeerNotaryEvent,
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nodeInfoBinary,
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)
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} else {
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// notification event case
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err = np.netmapClient.AddPeer(prm)
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}
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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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var err error
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if nr := ev.NotaryRequest(); nr != nil {
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err = np.netmapClient.Morph().NotarySignAndInvokeTX(nr.MainTransaction)
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} else {
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prm := netmapclient.UpdatePeerPrm{}
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prm.SetState(ev.Status())
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prm.SetKey(ev.PublicKey().Bytes())
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err = np.netmapClient.UpdatePeerState(prm)
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}
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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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func (np *Processor) processRemoveSubnetNode(ev subnetEvent.RemoveNode) {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info("non alphabet mode, ignore remove node from subnet notification")
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return
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}
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candidates, err := np.netmapClient.GetCandidates()
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if err != nil {
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np.log.Warn("could not get network map candidates",
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zap.Error(err),
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)
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return
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}
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rawSubnet := ev.SubnetworkID()
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subnetToRemoveFrom := &subnetid.ID{}
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err = subnetToRemoveFrom.Unmarshal(rawSubnet)
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if err != nil {
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np.log.Warn("could not unmarshal subnet id",
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zap.Error(err),
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)
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return
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}
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if subnetid.IsZero(*subnetToRemoveFrom) {
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np.log.Warn("got zero subnet in remove node notification")
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return
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}
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for _, node := range candidates.Nodes {
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if !bytes.Equal(node.NodeInfo.PublicKey(), ev.Node()) {
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continue
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}
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err = node.IterateSubnets(func(subNetID subnetid.ID) error {
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if subNetID.Equals(subnetToRemoveFrom) {
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return netmap.ErrRemoveSubnet
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}
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return nil
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})
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if err != nil {
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np.log.Warn("could not iterate over subnetworks of the node", zap.Error(err))
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np.log.Info("vote to remove node from netmap", zap.String("key", hex.EncodeToString(ev.Node())))
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prm := netmapclient.UpdatePeerPrm{}
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prm.SetKey(ev.Node())
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prm.SetState(netmap.NodeStateOffline)
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prm.SetHash(ev.TxHash())
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err = np.netmapClient.UpdatePeerState(prm)
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if err != nil {
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np.log.Error("could not invoke netmap.UpdateState", zap.Error(err))
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return
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}
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} else {
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prm := netmapclient.AddPeerPrm{}
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prm.SetNodeInfo(node.NodeInfo)
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prm.SetHash(ev.TxHash())
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err = np.netmapClient.AddPeer(prm)
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if err != nil {
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np.log.Error("could not invoke netmap.AddPeer", zap.Error(err))
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return
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}
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}
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break
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}
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}
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