Evgenii Stratonikov
d0ce835fbf
They are decoupled, but it is an error to have a handler without a corresponding parser. Register them together on the code level and get rid of unreachable code. Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
176 lines
5.2 KiB
Go
176 lines
5.2 KiB
Go
package governance
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import (
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"context"
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"errors"
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"fmt"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/innerring/metrics"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client"
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frostfscontract "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/frostfs"
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nmClient "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/client/netmap"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/morph/event/rolemanagement"
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"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/panjf2000/ants/v2"
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)
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// ProcessorPoolSize limits the pool size for governance Processor. Processor manages
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// governance sync tasks. This process must not be interrupted by other sync
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// operation, so we limit the pool size for the processor to one.
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const ProcessorPoolSize = 1
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type (
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// AlphabetState is a callback interface for innerring global state.
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AlphabetState interface {
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IsAlphabet(context.Context) bool
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}
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)
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// VoteValidatorPrm groups parameters of the VoteForSidechainValidator
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// operation.
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type VoteValidatorPrm struct {
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Validators keys.PublicKeys
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Hash *util.Uint256 // hash of the transaction that triggered voting
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}
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// Voter is a callback interface for alphabet contract voting.
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type Voter interface {
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VoteForSidechainValidator(context.Context, VoteValidatorPrm) error
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}
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type (
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// EpochState is a callback interface for innerring global state.
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EpochState interface {
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EpochCounter() uint64
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}
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// IRFetcher is a callback interface for innerring keys.
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// Implementation must take into account availability of
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// the notary contract.
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IRFetcher interface {
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InnerRingKeys() (keys.PublicKeys, error)
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}
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FrostFSClient interface {
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AlphabetUpdate(ctx context.Context, p frostfscontract.AlphabetUpdatePrm) error
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}
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NetmapClient interface {
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UpdateInnerRing(p nmClient.UpdateIRPrm) error
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}
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MainnetClient interface {
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NeoFSAlphabetList() (res keys.PublicKeys, err error)
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GetDesignateHash() util.Uint160
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}
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MorphClient interface {
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Committee() (res keys.PublicKeys, err error)
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UpdateNeoFSAlphabetList(ctx context.Context, prm client.UpdateAlphabetListPrm) error
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UpdateNotaryList(ctx context.Context, prm client.UpdateNotaryListPrm) error
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}
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// Processor of events related to governance in the network.
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Processor struct {
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log *logger.Logger
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metrics metrics.Register
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pool *ants.Pool
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frostfsClient FrostFSClient
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alphabetState AlphabetState
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epochState EpochState
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voter Voter
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irFetcher IRFetcher
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mainnetClient MainnetClient
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morphClient MorphClient
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designate util.Uint160
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}
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// Params of the processor constructor.
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Params struct {
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Log *logger.Logger
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Metrics metrics.Register
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AlphabetState AlphabetState
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EpochState EpochState
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Voter Voter
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IRFetcher IRFetcher
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MorphClient MorphClient
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MainnetClient MainnetClient
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FrostFSClient FrostFSClient
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}
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)
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// New creates a balance 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/governance: logger is not set")
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case p.MainnetClient == nil:
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return nil, errors.New("ir/governance: neo:mainnet client is not set")
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case p.MorphClient == nil:
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return nil, errors.New("ir/governance: neo:sidechain client is not set")
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case p.AlphabetState == nil:
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return nil, errors.New("ir/governance: global state is not set")
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case p.EpochState == nil:
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return nil, errors.New("ir/governance: global state is not set")
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case p.Voter == nil:
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return nil, errors.New("ir/governance: global state is not set")
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case p.IRFetcher == nil:
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return nil, errors.New("ir/governance: innerring keys fetcher is not set")
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}
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pool, err := ants.NewPool(ProcessorPoolSize, ants.WithNonblocking(true))
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if err != nil {
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return nil, fmt.Errorf("ir/governance: can't create worker pool: %w", err)
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}
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metricsRegister := p.Metrics
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if metricsRegister == nil {
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metricsRegister = metrics.DefaultRegister{}
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}
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// result is cached by neo-go, so we can pre-calc it
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designate := p.MainnetClient.GetDesignateHash()
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return &Processor{
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log: p.Log,
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metrics: metricsRegister,
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pool: pool,
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frostfsClient: p.FrostFSClient,
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alphabetState: p.AlphabetState,
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epochState: p.EpochState,
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voter: p.Voter,
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irFetcher: p.IRFetcher,
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mainnetClient: p.MainnetClient,
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morphClient: p.MorphClient,
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designate: designate,
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}, nil
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}
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// ListenerNotificationHandlers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
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var hi event.NotificationHandlerInfo
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hi.SetScriptHash(gp.designate)
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hi.SetType(event.TypeFromString(native.DesignationEventName))
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hi.SetParser(rolemanagement.ParseDesignate)
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hi.AddHandler(gp.HandleAlphabetSync)
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return []event.NotificationHandlerInfo{hi}
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}
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// ListenerNotaryParsers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerNotaryParsers() []event.NotaryParserInfo {
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return nil
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}
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// ListenerNotaryHandlers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerNotaryHandlers() []event.NotaryHandlerInfo {
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return nil
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}
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