271 lines
7.7 KiB
Go
271 lines
7.7 KiB
Go
package netmap
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import (
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"errors"
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/core/mempoolevent"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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container "github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
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nmWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap/wrapper"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
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"github.com/panjf2000/ants/v2"
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"go.uber.org/zap"
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)
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type (
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// EpochTimerReseter is a callback interface for tickers component.
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EpochTimerReseter interface {
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ResetEpochTimer() error
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}
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// EpochState is a callback interface for inner ring global state.
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EpochState interface {
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SetEpochCounter(uint64)
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EpochCounter() uint64
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}
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// AlphabetState is a callback interface for inner ring global state.
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AlphabetState interface {
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IsAlphabet() bool
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}
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// NodeValidator wraps basic method of checking the correctness
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// of information about the node and its finalization for adding
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// to the network map.
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NodeValidator interface {
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// Must verify and optionally update NodeInfo structure.
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//
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// Must return an error if NodeInfo input is invalid.
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// Must return an error if it is not possible to correctly
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// change the structure for sending to the network map.
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//
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// If no error occurs, the parameter must point to the
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// ready-made NodeInfo structure.
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VerifyAndUpdate(*netmap.NodeInfo) error
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}
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// Processor of events produced by network map contract
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// and new epoch ticker, because it is related to contract.
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Processor struct {
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log *zap.Logger
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pool *ants.Pool
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netmapContract util.Uint160
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epochTimer EpochTimerReseter
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epochState EpochState
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alphabetState AlphabetState
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netmapClient *nmWrapper.Wrapper
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containerWrp *container.Wrapper
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netmapSnapshot cleanupTable
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handleNewAudit event.Handler
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handleAuditSettlements event.Handler
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handleAlphabetSync event.Handler
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nodeValidator NodeValidator
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notaryDisabled bool
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}
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// Params of the processor constructor.
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Params struct {
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Log *zap.Logger
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PoolSize int
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// TODO(@fyrchik): add `ContractHash` method to the NetmapClient and remove this parameter.
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NetmapContract util.Uint160
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NetmapClient *nmWrapper.Wrapper
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EpochTimer EpochTimerReseter
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EpochState EpochState
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AlphabetState AlphabetState
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CleanupEnabled bool
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CleanupThreshold uint64 // in epochs
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ContainerWrapper *container.Wrapper
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HandleAudit event.Handler
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AuditSettlementsHandler event.Handler
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AlphabetSyncHandler event.Handler
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NodeValidator NodeValidator
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NotaryDisabled bool
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}
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)
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const (
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newEpochNotification = "NewEpoch"
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addPeerNotification = "AddPeer"
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updatePeerStateNotification = "UpdateState"
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)
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// New creates network map contract processor instance.
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func New(p *Params) (*Processor, error) {
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switch {
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case p.Log == nil:
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return nil, errors.New("ir/netmap: logger is not set")
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case p.EpochTimer == nil:
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return nil, errors.New("ir/netmap: epoch itmer is not set")
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case p.EpochState == nil:
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return nil, errors.New("ir/netmap: global state is not set")
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case p.AlphabetState == nil:
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return nil, errors.New("ir/netmap: global state is not set")
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case p.HandleAudit == nil:
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return nil, errors.New("ir/netmap: audit handler is not set")
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case p.AuditSettlementsHandler == nil:
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return nil, errors.New("ir/netmap: audit settlement handler is not set")
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case p.AlphabetSyncHandler == nil:
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return nil, errors.New("ir/netmap: alphabet sync handler is not set")
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case p.ContainerWrapper == nil:
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return nil, errors.New("ir/netmap: container contract wrapper is not set")
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case p.NodeValidator == nil:
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return nil, errors.New("ir/netmap: node validator is not set")
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}
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p.Log.Debug("netmap worker pool", zap.Int("size", p.PoolSize))
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pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
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if err != nil {
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return nil, fmt.Errorf("ir/netmap: can't create worker pool: %w", err)
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}
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return &Processor{
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log: p.Log,
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pool: pool,
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netmapContract: p.NetmapContract,
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epochTimer: p.EpochTimer,
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epochState: p.EpochState,
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alphabetState: p.AlphabetState,
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netmapClient: p.NetmapClient,
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containerWrp: p.ContainerWrapper,
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netmapSnapshot: newCleanupTable(p.CleanupEnabled, p.CleanupThreshold),
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handleNewAudit: p.HandleAudit,
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handleAuditSettlements: p.AuditSettlementsHandler,
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handleAlphabetSync: p.AlphabetSyncHandler,
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nodeValidator: p.NodeValidator,
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notaryDisabled: p.NotaryDisabled,
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}, nil
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}
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// ListenerNotificationParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
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parsers := make([]event.NotificationParserInfo, 0, 3)
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// new epoch event
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newEpoch := event.NotificationParserInfo{}
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newEpoch.SetType(newEpochNotification)
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newEpoch.SetScriptHash(np.netmapContract)
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newEpoch.SetParser(netmapEvent.ParseNewEpoch)
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parsers = append(parsers, newEpoch)
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if !np.notaryDisabled {
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return parsers
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}
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// new peer event
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addPeer := event.NotificationParserInfo{}
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addPeer.SetType(addPeerNotification)
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addPeer.SetScriptHash(np.netmapContract)
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addPeer.SetParser(netmapEvent.ParseAddPeer)
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parsers = append(parsers, addPeer)
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// update peer event
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updatePeer := event.NotificationParserInfo{}
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updatePeer.SetType(updatePeerStateNotification)
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updatePeer.SetScriptHash(np.netmapContract)
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updatePeer.SetParser(netmapEvent.ParseUpdatePeer)
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parsers = append(parsers, updatePeer)
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return parsers
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}
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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handlers := make([]event.NotificationHandlerInfo, 0, 3)
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// new epoch handler
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newEpoch := event.NotificationHandlerInfo{}
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newEpoch.SetType(newEpochNotification)
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newEpoch.SetScriptHash(np.netmapContract)
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newEpoch.SetHandler(np.handleNewEpoch)
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handlers = append(handlers, newEpoch)
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if !np.notaryDisabled {
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return handlers
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}
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// new peer handler
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addPeer := event.NotificationHandlerInfo{}
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addPeer.SetType(addPeerNotification)
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addPeer.SetScriptHash(np.netmapContract)
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addPeer.SetHandler(np.handleAddPeer)
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handlers = append(handlers, addPeer)
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// update peer handler
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updatePeer := event.NotificationHandlerInfo{}
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updatePeer.SetType(updatePeerStateNotification)
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updatePeer.SetScriptHash(np.netmapContract)
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updatePeer.SetHandler(np.handleUpdateState)
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handlers = append(handlers, updatePeer)
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return handlers
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}
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// ListenerNotaryParsers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotaryParsers() []event.NotaryParserInfo {
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var (
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p event.NotaryParserInfo
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pp = make([]event.NotaryParserInfo, 0, 2)
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)
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p.SetMempoolType(mempoolevent.TransactionAdded)
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p.SetScriptHash(np.netmapContract)
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// new peer
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p.SetRequestType(netmapEvent.AddPeerNotaryEvent)
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p.SetParser(netmapEvent.ParseAddPeerNotary)
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pp = append(pp, p)
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// update state
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p.SetRequestType(netmapEvent.UpdateStateNotaryEvent)
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p.SetParser(netmapEvent.ParseUpdatePeerNotary)
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pp = append(pp, p)
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return pp
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}
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// ListenerNotaryHandlers for the 'event.Listener' event producer.
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func (np *Processor) ListenerNotaryHandlers() []event.NotaryHandlerInfo {
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var (
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h event.NotaryHandlerInfo
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hh = make([]event.NotaryHandlerInfo, 0, 2)
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)
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h.SetMempoolType(mempoolevent.TransactionAdded)
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h.SetScriptHash(np.netmapContract)
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// new peer
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h.SetRequestType(netmapEvent.AddPeerNotaryEvent)
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h.SetHandler(np.handleAddPeer)
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hh = append(hh, h)
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// update state
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h.SetRequestType(netmapEvent.UpdateStateNotaryEvent)
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h.SetHandler(np.handleUpdateState)
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hh = append(hh, h)
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return hh
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}
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// TimersHandlers for the 'Timers' event producer.
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func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
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}
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