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3db9551f79
Namesys is a very useful submodule. Given a ValueStore and a Datastore it can resolve and publish /ipns/ paths. This functionality does not need to be sequestered inside go-ipfs as it can and should be used without IPFS, for example, for implementing lightweight IPNS publishing services or for resolving /ipns/ paths. "keystore" extraction was necessary, as there is a dependency to it in namesys. Keystore is also a useful module by itself within the stack. Fixes #6537
57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
package node
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import (
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"fmt"
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"time"
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"github.com/ipfs/go-ipfs-util"
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"github.com/ipfs/go-ipns"
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"github.com/libp2p/go-libp2p-core/crypto"
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"github.com/libp2p/go-libp2p-core/peerstore"
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"github.com/libp2p/go-libp2p-core/routing"
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"github.com/libp2p/go-libp2p-record"
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"github.com/ipfs/go-ipfs/repo"
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"github.com/ipfs/go-namesys"
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"github.com/ipfs/go-namesys/republisher"
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)
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const DefaultIpnsCacheSize = 128
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// RecordValidator provides namesys compatible routing record validator
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func RecordValidator(ps peerstore.Peerstore) record.Validator {
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return record.NamespacedValidator{
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"pk": record.PublicKeyValidator{},
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"ipns": ipns.Validator{KeyBook: ps},
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}
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}
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// Namesys creates new name system
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func Namesys(cacheSize int) func(rt routing.Routing, repo repo.Repo) (namesys.NameSystem, error) {
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return func(rt routing.Routing, repo repo.Repo) (namesys.NameSystem, error) {
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return namesys.NewNameSystem(rt, repo.Datastore(), cacheSize), nil
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}
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}
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// IpnsRepublisher runs new IPNS republisher service
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func IpnsRepublisher(repubPeriod time.Duration, recordLifetime time.Duration) func(lcProcess, namesys.NameSystem, repo.Repo, crypto.PrivKey) error {
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return func(lc lcProcess, namesys namesys.NameSystem, repo repo.Repo, privKey crypto.PrivKey) error {
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repub := republisher.NewRepublisher(namesys, repo.Datastore(), privKey, repo.Keystore())
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if repubPeriod != 0 {
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if !util.Debug && (repubPeriod < time.Minute || repubPeriod > (time.Hour*24)) {
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return fmt.Errorf("config setting IPNS.RepublishPeriod is not between 1min and 1day: %s", repubPeriod)
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}
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repub.Interval = repubPeriod
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}
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if recordLifetime != 0 {
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repub.RecordLifetime = recordLifetime
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}
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lc.Append(repub.Run)
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return nil
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}
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}
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