frostfs-node/pkg/innerring/processors/alphabet/processor.go
Alex Vanin f1f20b49db [#86] Add alphabet contract processor
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-10-12 14:43:33 +03:00

86 lines
2.3 KiB
Go

package alphabet
import (
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neofs-node/pkg/innerring/timers"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/panjf2000/ants/v2"
"github.com/pkg/errors"
"go.uber.org/zap"
)
type (
// Indexer is a callback interface for inner ring global state.
Indexer interface {
Index() int32
}
// Processor of events produced for alphabet contracts in sidechain.
Processor struct {
log *zap.Logger
pool *ants.Pool
alphabetContracts [7]util.Uint160
morphClient *client.Client
irList Indexer
}
// Params of the processor constructor.
Params struct {
Log *zap.Logger
PoolSize int
AlphabetContracts [7]util.Uint160
MorphClient *client.Client
IRList Indexer
}
)
// New creates neofs mainnet contract processor instance.
func New(p *Params) (*Processor, error) {
switch {
case p.Log == nil:
return nil, errors.New("ir/alphabet: logger is not set")
case p.MorphClient == nil:
return nil, errors.New("ir/alphabet: neo:morph client is not set")
case p.IRList == nil:
return nil, errors.New("ir/alphabet: global state is not set")
}
p.Log.Debug("alphabet worker pool", zap.Int("size", p.PoolSize))
pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
if err != nil {
return nil, errors.Wrap(err, "ir/neofs: can't create worker pool")
}
return &Processor{
log: p.Log,
pool: pool,
alphabetContracts: p.AlphabetContracts,
morphClient: p.MorphClient,
irList: p.IRList,
}, nil
}
// ListenerParsers for the 'event.Listener' event producer.
func (np *Processor) ListenerParsers() []event.ParserInfo {
return nil
}
// ListenerHandlers for the 'event.Listener' event producer.
func (np *Processor) ListenerHandlers() []event.HandlerInfo {
return nil
}
// TimersHandlers for the 'Timers' event producer.
func (np *Processor) TimersHandlers() []event.HandlerInfo {
var handlers []event.HandlerInfo
// new epoch handler
newEpoch := event.HandlerInfo{}
newEpoch.SetType(timers.AlphabetTimer)
newEpoch.SetHandler(np.handleGasEmission)
handlers = append(handlers, newEpoch)
return handlers
}