130 lines
3.8 KiB
Go
130 lines
3.8 KiB
Go
package governance
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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/native"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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neofscontract "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofs/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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"github.com/nspcc-dev/neofs-node/pkg/morph/event/rolemanagement"
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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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// ProcessorPoolSize limits 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 pool size for 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 inner ring global state.
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AlphabetState interface {
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IsAlphabet() bool
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}
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// Voter is a callback interface for alphabet contract voting.
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Voter interface {
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VoteForSidechainValidator(keys keys.PublicKeys) 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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EpochCounter() uint64
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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 *zap.Logger
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pool *ants.Pool
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neofsClient *neofscontract.ClientWrapper
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netmapClient *nmWrapper.Wrapper
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alphabetState AlphabetState
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epochState EpochState
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voter Voter
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mainnetClient *client.Client
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morphClient *client.Client
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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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AlphabetState AlphabetState
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EpochState EpochState
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Voter Voter
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MorphClient *client.Client
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MainnetClient *client.Client
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NeoFSClient *neofscontract.ClientWrapper
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NetmapClient *nmWrapper.Wrapper
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NotaryDisabled bool
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}
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)
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// New creates 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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}
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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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return &Processor{
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log: p.Log,
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pool: pool,
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neofsClient: p.NeoFSClient,
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netmapClient: p.NetmapClient,
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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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mainnetClient: p.MainnetClient,
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morphClient: p.MorphClient,
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notaryDisabled: p.NotaryDisabled,
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerParsers() []event.ParserInfo {
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var pi event.ParserInfo
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pi.SetScriptHash(gp.mainnetClient.GetDesignateHash())
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pi.SetType(event.TypeFromString(native.DesignationEventName))
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pi.SetParser(rolemanagement.ParseDesignate)
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return []event.ParserInfo{pi}
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (gp *Processor) ListenerHandlers() []event.HandlerInfo {
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var hi event.HandlerInfo
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hi.SetScriptHash(gp.mainnetClient.GetDesignateHash())
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hi.SetType(event.TypeFromString(native.DesignationEventName))
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hi.SetHandler(gp.HandleAlphabetSync)
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return []event.HandlerInfo{hi}
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}
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// TimersHandlers for the 'Timers' event producer.
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func (gp *Processor) TimersHandlers() []event.HandlerInfo {
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return nil
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}
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