127 lines
3.8 KiB
Go
127 lines
3.8 KiB
Go
package netmap
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import (
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"encoding/hex"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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netmapclient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/netmap"
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netmapEvent "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event/netmap"
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"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
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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) bool {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info(logs.NetmapNonAlphabetModeIgnoreNewPeerNotification)
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return true
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}
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// check if notary transaction is valid, see #976
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tx := ev.NotaryRequest().MainTransaction
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ok, err := np.netmapClient.MorphIsValidScript(tx.Script, tx.Signers)
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if err != nil || !ok {
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np.log.Warn(logs.NetmapNonhaltNotaryTransaction,
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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 false
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}
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// unmarshal node info
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var nodeInfo netmap.NodeInfo
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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(logs.NetmapCantParseNetworkMapCandidate)
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return false
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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(logs.NetmapCouldNotVerifyAndUpdateInformationAboutNetworkMapCandidate,
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zap.String("error", err.Error()),
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)
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return false
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}
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// sort attributes to make it consistent
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nodeInfo.SortAttributes()
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// marshal updated node info structure
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nodeInfoBinary := nodeInfo.Marshal()
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keyString := netmap.StringifyPublicKey(nodeInfo)
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updated := np.netmapSnapshot.touch(keyString, np.epochState.EpochCounter(), nodeInfoBinary)
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// `processAddPeer` reacts on `AddPeer` notification, `processNewEpoch` - on `NewEpoch`.
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// This two notification produces in order - `NewEpoch` -> `AddPeer`.
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// But there is no guarantee that code will be executed in the same order.
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// That is why we need to perform `addPeerIR` only in case when node is online,
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// because in scope of this method, contract set state `ONLINE` for the node.
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if updated && nodeInfo.IsOnline() {
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np.log.Info(logs.NetmapApprovingNetworkMapCandidate,
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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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// In notary environments we call AddPeerIR method instead of AddPeer.
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// It differs from AddPeer only by name, so we can do this in the same form.
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// See https://github.com/nspcc-dev/frostfs-contract/issues/154.
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const methodAddPeerNotary = "addPeerIR"
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// create new notary request with the original nonce
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err = np.netmapClient.MorphNotaryInvoke(
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np.netmapClient.ContractAddress(),
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0,
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ev.NotaryRequest().MainTransaction.Nonce,
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nil,
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methodAddPeerNotary,
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nodeInfoBinary,
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)
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if err != nil {
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np.log.Error(logs.NetmapCantInvokeNetmapAddPeer, zap.Error(err))
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return false
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}
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}
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return true
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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) bool {
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if !np.alphabetState.IsAlphabet() {
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np.log.Info(logs.NetmapNonAlphabetModeIgnoreUpdatePeerNotification)
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return true
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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 ev.Maintenance() {
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err = np.nodeStateSettings.MaintenanceModeAllowed()
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if err != nil {
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np.log.Info(logs.NetmapPreventSwitchingNodeToMaintenanceState,
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zap.Error(err),
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)
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return false
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}
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}
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if err = np.netmapClient.MorphNotarySignAndInvokeTX(ev.NotaryRequest().MainTransaction); err != nil {
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np.log.Error(logs.NetmapCantInvokeNetmapUpdatePeer, zap.Error(err))
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return false
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}
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return true
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}
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