frostfs-node/cmd/neofs-node/morph.go

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package main
import (
"fmt"
"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/netmap"
"github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap/wrapper"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
netmapEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/netmap"
"github.com/nspcc-dev/neofs-node/pkg/morph/subscriber"
)
const newEpochNotification = "NewEpoch"
func initMorphComponents(c *cfg) {
var err error
c.cfgMorph.client, err = client.New(c.key, c.viper.GetString(cfgMorphRPCAddress))
fatalOnErr(err)
staticClient, err := client.NewStatic(
c.cfgMorph.client,
c.cfgNetmap.scriptHash,
c.cfgContainer.fee,
)
fatalOnErr(err)
cli, err := netmap.New(staticClient)
fatalOnErr(err)
wrap, err := wrapper.New(cli)
fatalOnErr(err)
c.cfgObject.netMapStorage = wrap
c.cfgNetmap.wrapper = wrap
}
func listenMorphNotifications(c *cfg) {
subs, err := subscriber.New(c.ctx, &subscriber.Params{
Log: c.log,
Endpoint: c.viper.GetString(cfgMorphNotifyRPCAddress),
DialTimeout: c.viper.GetDuration(cfgMorphNotifyDialTimeout),
})
fatalOnErr(err)
lis, err := event.NewListener(event.ListenerParams{
Logger: c.log,
Subscriber: subs,
})
fatalOnErr(err)
c.workers = append(c.workers, newWorkerFromFunc(lis.Listen))
setNetmapNotificationParser(c, newEpochNotification, netmapEvent.ParseNewEpoch)
registerNotificationHandlers(c.cfgNetmap.scriptHash, lis, c.cfgNetmap.parsers, c.cfgNetmap.subscribers)
}
func registerNotificationHandlers(scHash util.Uint160, lis event.Listener, parsers map[event.Type]event.Parser,
subs map[event.Type][]event.Handler) {
for typ, handlers := range subs {
pi := event.ParserInfo{}
pi.SetType(typ)
pi.SetScriptHash(scHash)
p, ok := parsers[typ]
if !ok {
panic(fmt.Sprintf("missing parser for event %s", typ))
}
pi.SetParser(p)
lis.SetParser(pi)
for _, h := range handlers {
hi := event.HandlerInfo{}
hi.SetType(typ)
hi.SetScriptHash(scHash)
hi.SetHandler(h)
lis.RegisterHandler(hi)
}
}
}