frostfs-node/pkg/innerring/processors/neofs/processor.go

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package neofs
import (
"errors"
"fmt"
"sync"
lru "github.com/hashicorp/golang-lru"
"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
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"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/neofsid"
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"
neofsEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/neofs"
"github.com/panjf2000/ants/v2"
"go.uber.org/zap"
)
type (
// EpochState is a callback interface for inner ring global state
EpochState interface {
EpochCounter() uint64
}
// AlphabetState is a callback interface for inner ring global state
AlphabetState interface {
IsAlphabet() bool
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}
// PrecisionConverter converts balance amount values.
PrecisionConverter interface {
ToBalancePrecision(int64) int64
}
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// Processor of events produced by neofs contract in main net.
Processor struct {
log *zap.Logger
pool *ants.Pool
neofsContract util.Uint160
balanceClient *balance.Client
netmapClient *nmWrapper.Wrapper
morphClient *client.Client
epochState EpochState
alphabetState AlphabetState
converter PrecisionConverter
mintEmitLock *sync.Mutex
mintEmitCache *lru.Cache
mintEmitThreshold uint64
mintEmitValue fixedn.Fixed8
gasBalanceThreshold int64
neofsIDClient *neofsid.Client
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}
// Params of the processor constructor.
Params struct {
Log *zap.Logger
PoolSize int
NeoFSContract util.Uint160
NeoFSIDClient *neofsid.Client
BalanceClient *balance.Client
NetmapClient *nmWrapper.Wrapper
MorphClient *client.Client
EpochState EpochState
AlphabetState AlphabetState
Converter PrecisionConverter
MintEmitCacheSize int
MintEmitThreshold uint64 // in epochs
MintEmitValue fixedn.Fixed8
GasBalanceThreshold int64
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}
)
const (
depositNotification = "Deposit"
withdrawNotification = "Withdraw"
chequeNotification = "Cheque"
configNotification = "SetConfig"
bindNotification = "Bind"
unbindNotification = "Unbind"
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)
// New creates neofs mainnet contract processor instance.
func New(p *Params) (*Processor, error) {
switch {
case p.Log == nil:
return nil, errors.New("ir/neofs: logger is not set")
case p.MorphClient == nil:
return nil, errors.New("ir/neofs: neo:morph client is not set")
case p.EpochState == nil:
return nil, errors.New("ir/neofs: global state is not set")
case p.AlphabetState == nil:
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return nil, errors.New("ir/neofs: global state is not set")
case p.Converter == nil:
return nil, errors.New("ir/neofs: balance precision converter is not set")
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}
p.Log.Debug("neofs worker pool", zap.Int("size", p.PoolSize))
pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
if err != nil {
return nil, fmt.Errorf("ir/neofs: can't create worker pool: %w", err)
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}
lruCache, err := lru.New(p.MintEmitCacheSize)
if err != nil {
return nil, fmt.Errorf("ir/neofs: can't create LRU cache for gas emission: %w", err)
}
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return &Processor{
log: p.Log,
pool: pool,
neofsContract: p.NeoFSContract,
balanceClient: p.BalanceClient,
netmapClient: p.NetmapClient,
morphClient: p.MorphClient,
epochState: p.EpochState,
alphabetState: p.AlphabetState,
converter: p.Converter,
mintEmitLock: new(sync.Mutex),
mintEmitCache: lruCache,
mintEmitThreshold: p.MintEmitThreshold,
mintEmitValue: p.MintEmitValue,
gasBalanceThreshold: p.GasBalanceThreshold,
neofsIDClient: p.NeoFSIDClient,
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}, nil
}
// ListenerNotificationParsers for the 'event.Listener' event producer.
func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo {
var (
parsers = make([]event.NotificationParserInfo, 0, 6)
p event.NotificationParserInfo
)
p.SetScriptHash(np.neofsContract)
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// deposit event
p.SetType(event.TypeFromString(depositNotification))
p.SetParser(neofsEvent.ParseDeposit)
parsers = append(parsers, p)
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// withdraw event
p.SetType(event.TypeFromString(withdrawNotification))
p.SetParser(neofsEvent.ParseWithdraw)
parsers = append(parsers, p)
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// cheque event
p.SetType(event.TypeFromString(chequeNotification))
p.SetParser(neofsEvent.ParseCheque)
parsers = append(parsers, p)
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// config event
p.SetType(event.TypeFromString(configNotification))
p.SetParser(neofsEvent.ParseConfig)
parsers = append(parsers, p)
// bind event
p.SetType(event.TypeFromString(bindNotification))
p.SetParser(neofsEvent.ParseBind)
parsers = append(parsers, p)
// unbind event
p.SetType(event.TypeFromString(unbindNotification))
p.SetParser(neofsEvent.ParseUnbind)
parsers = append(parsers, p)
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return parsers
}
// ListenerNotificationHandlers for the 'event.Listener' event producer.
func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo {
var (
handlers = make([]event.NotificationHandlerInfo, 0, 6)
h event.NotificationHandlerInfo
)
h.SetScriptHash(np.neofsContract)
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// deposit handler
h.SetType(event.TypeFromString(depositNotification))
h.SetHandler(np.handleDeposit)
handlers = append(handlers, h)
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// withdraw handler
h.SetType(event.TypeFromString(withdrawNotification))
h.SetHandler(np.handleWithdraw)
handlers = append(handlers, h)
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// cheque handler
h.SetType(event.TypeFromString(chequeNotification))
h.SetHandler(np.handleCheque)
handlers = append(handlers, h)
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// config handler
h.SetType(event.TypeFromString(configNotification))
h.SetHandler(np.handleConfig)
handlers = append(handlers, h)
// bind handler
h.SetType(event.TypeFromString(bindNotification))
h.SetHandler(np.handleBind)
handlers = append(handlers, h)
// unbind handler
h.SetType(event.TypeFromString(unbindNotification))
h.SetHandler(np.handleUnbind)
handlers = append(handlers, h)
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return handlers
}
// ListenerNotaryParsers for the 'event.Listener' event producer.
func (np *Processor) ListenerNotaryParsers() []event.NotaryParserInfo {
return nil
}
// ListenerNotaryHandlers for the 'event.Listener' event producer.
func (np *Processor) ListenerNotaryHandlers() []event.NotaryHandlerInfo {
return nil
}
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// TimersHandlers for the 'Timers' event producer.
func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo {
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return nil
}