mirror of https://github.com/status-im/go-waku.git
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
package store
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import (
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"context"
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"errors"
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"sync"
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"github.com/libp2p/go-libp2p/core/host"
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libp2pProtocol "github.com/libp2p/go-libp2p/core/protocol"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/waku-org/go-waku/waku/v2/peermanager"
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"github.com/waku-org/go-waku/waku/v2/protocol/relay"
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"github.com/waku-org/go-waku/waku/v2/timesource"
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"go.uber.org/zap"
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)
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// StoreID_v20beta4 is the current Waku Store protocol identifier
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const StoreID_v20beta4 = libp2pProtocol.ID("/vac/waku/store/2.0.0-beta4")
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const StoreENRField = uint8(1 << 1)
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// MaxPageSize is the maximum number of waku messages to return per page
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const MaxPageSize = 20
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var (
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// ErrNoPeersAvailable is returned when there are no store peers in the peer store
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// that could be used to retrieve message history
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ErrNoPeersAvailable = errors.New("no suitable remote peers")
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// ErrFailedToResumeHistory is returned when the node attempted to retrieve historic
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// messages to fill its own message history but for some reason it failed
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ErrFailedToResumeHistory = errors.New("failed to resume the history")
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)
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type WakuSwap interface {
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// TODO: add functions
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}
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type WakuStore struct {
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ctx context.Context
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cancel context.CancelFunc
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timesource timesource.Timesource
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metrics Metrics
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MsgC *relay.Subscription
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wg *sync.WaitGroup
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log *zap.Logger
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started bool
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msgProvider MessageProvider
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h host.Host
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pm *peermanager.PeerManager
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}
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// NewWakuStore creates a WakuStore using an specific MessageProvider for storing the messages
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// Takes an optional peermanager if WakuStore is being created along with WakuNode.
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// If using libp2p host, then pass peermanager as nil
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func NewWakuStore(p MessageProvider, pm *peermanager.PeerManager, timesource timesource.Timesource, reg prometheus.Registerer, log *zap.Logger) *WakuStore {
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wakuStore := new(WakuStore)
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wakuStore.msgProvider = p
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wakuStore.wg = &sync.WaitGroup{}
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wakuStore.log = log.Named("store")
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wakuStore.timesource = timesource
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wakuStore.pm = pm
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wakuStore.metrics = newMetrics(reg)
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if pm != nil {
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pm.RegisterWakuProtocol(StoreID_v20beta4, StoreENRField)
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}
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return wakuStore
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}
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