forked from TrueCloudLab/frostfs-node
110 lines
2.8 KiB
Go
110 lines
2.8 KiB
Go
package balance
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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/util"
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neofscontract "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofs/wrapper"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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balanceEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/balance"
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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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// 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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// PrecisionConverter converts balance amount values.
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PrecisionConverter interface {
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ToFixed8(int64) int64
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}
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// Processor of events produced by balance contract in morph chain.
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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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balanceContract util.Uint160
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alphabetState AlphabetState
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converter PrecisionConverter
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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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NeoFSClient *neofscontract.ClientWrapper
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BalanceContract util.Uint160
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AlphabetState AlphabetState
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Converter PrecisionConverter
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}
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)
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const (
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lockNotification = "Lock"
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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/balance: logger is not set")
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case p.AlphabetState == nil:
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return nil, errors.New("ir/balance: global state is not set")
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case p.Converter == nil:
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return nil, errors.New("ir/balance: balance precision converter is not set")
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}
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p.Log.Debug("balance 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/balance: 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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balanceContract: p.BalanceContract,
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alphabetState: p.AlphabetState,
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converter: p.Converter,
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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 (bp *Processor) ListenerParsers() []event.ParserInfo {
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var parsers []event.ParserInfo
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// new lock event
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lock := event.ParserInfo{}
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lock.SetType(lockNotification)
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lock.SetScriptHash(bp.balanceContract)
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lock.SetParser(balanceEvent.ParseLock)
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parsers = append(parsers, lock)
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (bp *Processor) ListenerHandlers() []event.HandlerInfo {
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var handlers []event.HandlerInfo
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// lock handler
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lock := event.HandlerInfo{}
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lock.SetType(lockNotification)
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lock.SetScriptHash(bp.balanceContract)
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lock.SetHandler(bp.handleLock)
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handlers = append(handlers, lock)
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return handlers
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}
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// TimersHandlers for the 'Timers' event producer.
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func (bp *Processor) TimersHandlers() []event.HandlerInfo {
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return nil
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}
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