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33 lines
850 B
Go
33 lines
850 B
Go
package libp2p
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import (
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"math/rand"
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"time"
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"github.com/libp2p/go-libp2p-core/discovery"
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"github.com/libp2p/go-libp2p-core/host"
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"github.com/libp2p/go-libp2p/p2p/discovery/backoff"
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disc "github.com/libp2p/go-libp2p/p2p/discovery/routing"
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"github.com/ipfs/kubo/core/node/helpers"
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"go.uber.org/fx"
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)
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func TopicDiscovery() interface{} {
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return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, cr BaseIpfsRouting) (service discovery.Discovery, err error) {
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baseDisc := disc.NewRoutingDiscovery(cr)
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minBackoff, maxBackoff := time.Second*60, time.Hour
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rng := rand.New(rand.NewSource(rand.Int63()))
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d, err := backoff.NewBackoffDiscovery(
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baseDisc,
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backoff.NewExponentialBackoff(minBackoff, maxBackoff, backoff.FullJitter, time.Second, 5.0, 0, rng),
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)
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if err != nil {
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return nil, err
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}
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return d, nil
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}
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}
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