2021-06-16 20:19:45 +00:00
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// Copyright 2019 The Waku Library Authors.
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//
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// The Waku library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Waku library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty off
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Waku library. If not, see <http://www.gnu.org/licenses/>.
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//
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// This software uses the go-ethereum library, which is licensed
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// under the GNU Lesser General Public Library, version 3 or any later.
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package wakuv2
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import (
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"context"
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"crypto/ecdsa"
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"crypto/sha256"
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2021-10-12 12:39:28 +00:00
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"database/sql"
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2021-06-16 20:19:45 +00:00
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"errors"
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"fmt"
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2022-12-09 16:16:21 +00:00
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"math"
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2022-11-29 12:16:01 +00:00
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"math/rand"
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2021-06-16 20:19:45 +00:00
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"net"
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"runtime"
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2021-11-09 12:22:34 +00:00
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"strings"
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2021-06-16 20:19:45 +00:00
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"sync"
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"time"
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2022-11-04 13:56:45 +00:00
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"github.com/libp2p/go-libp2p/core/peer"
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2022-11-29 12:16:01 +00:00
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"github.com/libp2p/go-libp2p/p2p/host/autorelay"
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"github.com/libp2p/go-libp2p/p2p/protocol/circuitv2/proto"
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2021-11-22 15:27:05 +00:00
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"github.com/libp2p/go-libp2p/p2p/protocol/identify"
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2021-10-06 16:08:54 +00:00
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"github.com/multiformats/go-multiaddr"
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2021-06-16 20:19:45 +00:00
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"go.uber.org/zap"
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mapset "github.com/deckarep/golang-set"
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"golang.org/x/crypto/pbkdf2"
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gethcommon "github.com/ethereum/go-ethereum/common"
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2021-08-30 14:57:28 +00:00
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"github.com/ethereum/go-ethereum/common/hexutil"
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2021-06-16 20:19:45 +00:00
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/p2p"
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2021-11-22 13:40:14 +00:00
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/rpc"
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2021-08-30 21:35:37 +00:00
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"github.com/libp2p/go-libp2p"
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2021-10-19 13:43:41 +00:00
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pubsub "github.com/libp2p/go-libp2p-pubsub"
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2022-11-04 13:56:45 +00:00
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"github.com/libp2p/go-libp2p/core/metrics"
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2021-10-19 13:43:41 +00:00
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2022-11-22 22:05:54 +00:00
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"github.com/waku-org/go-waku/waku/v2/dnsdisc"
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"github.com/waku-org/go-waku/waku/v2/protocol"
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"github.com/waku-org/go-waku/waku/v2/protocol/filter"
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2022-11-29 12:43:11 +00:00
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"github.com/waku-org/go-waku/waku/v2/protocol/peer_exchange"
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2022-11-22 22:05:54 +00:00
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"github.com/waku-org/go-waku/waku/v2/protocol/relay"
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2022-12-06 15:24:01 +00:00
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"github.com/waku-org/go-waku/waku/v2/utils"
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2021-06-16 20:19:45 +00:00
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2022-12-09 16:16:21 +00:00
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"github.com/status-im/status-go/connection"
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2021-06-16 20:19:45 +00:00
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"github.com/status-im/status-go/eth-node/types"
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2021-07-21 10:08:08 +00:00
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"github.com/status-im/status-go/signal"
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2022-12-06 15:24:01 +00:00
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"github.com/status-im/status-go/timesource"
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2021-06-16 20:19:45 +00:00
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"github.com/status-im/status-go/wakuv2/common"
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2021-10-12 12:39:28 +00:00
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"github.com/status-im/status-go/wakuv2/persistence"
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2021-06-16 20:19:45 +00:00
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2022-11-22 22:05:54 +00:00
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node "github.com/waku-org/go-waku/waku/v2/node"
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"github.com/waku-org/go-waku/waku/v2/protocol/pb"
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"github.com/waku-org/go-waku/waku/v2/protocol/store"
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2023-02-22 21:58:17 +00:00
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storepb "github.com/waku-org/go-waku/waku/v2/protocol/store/pb"
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)
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const messageQueueLimit = 1024
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const requestTimeout = 30 * time.Second
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const autoRelayMinInterval = 2 * time.Second
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const bootnodesQueryBackoffMs = 200
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const bootnodesMaxRetries = 7
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2022-03-17 18:06:02 +00:00
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type settings struct {
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LightClient bool // Indicates if the node is a light client
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MinPeersForRelay int // Indicates the minimum number of peers required for using Relay Protocol
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MaxMsgSize uint32 // Maximal message length allowed by the waku node
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EnableConfirmations bool // Enable sending message confirmations
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2022-11-29 12:43:11 +00:00
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PeerExchange bool // Enable peer exchange
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DiscoveryLimit int // Indicates the number of nodes to discover
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Nameserver string // Optional nameserver to use for dns discovery
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2023-02-24 13:29:58 +00:00
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EnableDiscV5 bool // Indicates whether discv5 is enabled or not
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}
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// Waku represents a dark communication interface through the Ethereum
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// network, using its very own P2P communication layer.
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type Waku struct {
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node *node.WakuNode // reference to a libp2p waku node
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identifyService identify.IDService
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appDB *sql.DB
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2022-09-15 14:32:54 +00:00
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dnsAddressCache map[string][]dnsdisc.DiscoveredNode // Map to store the multiaddresses returned by dns discovery
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dnsAddressCacheLock *sync.RWMutex // lock to handle access to the map
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2021-11-09 12:22:34 +00:00
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2021-09-23 16:17:57 +00:00
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filters *common.Filters // Message filters installed with Subscribe function
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filterMsgChannel chan *protocol.Envelope // Channel for wakuv2 filter messages
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privateKeys map[string]*ecdsa.PrivateKey // Private key storage
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symKeys map[string][]byte // Symmetric key storage
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keyMu sync.RWMutex // Mutex associated with key stores
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envelopes map[gethcommon.Hash]*common.ReceivedMessage // Pool of envelopes currently tracked by this node
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expirations map[uint32]mapset.Set // Message expiration pool
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poolMu sync.RWMutex // Mutex to sync the message and expiration pools
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2021-08-30 21:35:37 +00:00
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bandwidthCounter *metrics.BandwidthCounter
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2021-08-03 19:27:15 +00:00
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2021-11-18 18:31:28 +00:00
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sendQueue chan *pb.WakuMessage
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msgQueue chan *common.ReceivedMessage // Message queue for waku messages that havent been decoded
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quit chan struct{} // Channel used for graceful exit
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wg sync.WaitGroup
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settings settings // Holds configuration settings that can be dynamically changed
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settingsMu sync.RWMutex // Mutex to sync the settings access
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envelopeFeed event.Feed
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2021-12-01 15:15:18 +00:00
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storeMsgIDs map[gethcommon.Hash]bool // Map of the currently processing ids
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storeMsgIDsMu sync.RWMutex
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2022-01-12 16:02:01 +00:00
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connStatusSubscriptions map[string]*types.ConnStatusSubscription
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connStatusMu sync.Mutex
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2021-06-16 20:19:45 +00:00
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timeSource func() time.Time // source of time for waku
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logger *zap.Logger
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2022-12-06 15:24:01 +00:00
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// NTP Synced timesource
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timesource *timesource.NTPTimeSource
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2022-12-09 16:16:21 +00:00
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// seededBootnodesForDiscV5 indicates whether we manage to retrieve discovery
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// bootnodes successfully
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seededBootnodesForDiscV5 bool
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// offline indicates whether we have detected connectivity
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offline bool
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// connectionChanged is channel that notifies when connectivity has changed
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connectionChanged chan struct{}
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// discV5BootstrapNodes is the ENR to be used to fetch bootstrap nodes for discovery
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discV5BootstrapNodes []string
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}
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2023-01-17 04:03:19 +00:00
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func getUsableUDPPort() (int, error) {
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conn, err := net.ListenUDP("udp", &net.UDPAddr{
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IP: net.IPv4zero,
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Port: 0,
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})
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if err != nil {
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return 0, err
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}
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defer conn.Close()
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return conn.LocalAddr().(*net.UDPAddr).Port, nil
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}
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2021-06-16 20:19:45 +00:00
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// New creates a WakuV2 client ready to communicate through the LibP2P network.
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2022-12-06 15:24:01 +00:00
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func New(nodeKey string, fleet string, cfg *Config, logger *zap.Logger, appDB *sql.DB, timesource *timesource.NTPTimeSource) (*Waku, error) {
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var err error
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if logger == nil {
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2022-12-09 16:16:21 +00:00
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logger, err = zap.NewDevelopment()
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if err != nil {
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return nil, err
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}
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2021-06-16 20:19:45 +00:00
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}
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2021-11-18 18:31:28 +00:00
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cfg = setDefaults(cfg)
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2023-01-17 04:03:19 +00:00
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if cfg.UDPPort == 0 {
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cfg.UDPPort, err = getUsableUDPPort()
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if err != nil {
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return nil, err
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}
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}
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2021-06-16 20:19:45 +00:00
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logger.Debug("starting wakuv2 with config", zap.Any("config", cfg))
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waku := &Waku{
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appDB: appDB,
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2022-01-12 16:02:01 +00:00
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privateKeys: make(map[string]*ecdsa.PrivateKey),
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symKeys: make(map[string][]byte),
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envelopes: make(map[gethcommon.Hash]*common.ReceivedMessage),
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expirations: make(map[uint32]mapset.Set),
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msgQueue: make(chan *common.ReceivedMessage, messageQueueLimit),
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sendQueue: make(chan *pb.WakuMessage, 1000),
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connStatusSubscriptions: make(map[string]*types.ConnStatusSubscription),
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quit: make(chan struct{}),
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2022-12-09 16:16:21 +00:00
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connectionChanged: make(chan struct{}),
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2021-11-22 15:27:05 +00:00
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wg: sync.WaitGroup{},
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2022-09-15 14:32:54 +00:00
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dnsAddressCache: make(map[string][]dnsdisc.DiscoveredNode),
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2022-01-12 16:02:01 +00:00
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dnsAddressCacheLock: &sync.RWMutex{},
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storeMsgIDs: make(map[gethcommon.Hash]bool),
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storeMsgIDsMu: sync.RWMutex{},
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timeSource: time.Now,
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logger: logger,
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2022-12-09 16:16:21 +00:00
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discV5BootstrapNodes: cfg.DiscV5BootstrapNodes,
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}
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2022-11-29 13:50:18 +00:00
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// Disabling light client mode if using status.prod or undefined
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if fleet == "status.prod" || fleet == "" {
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cfg.LightClient = false
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}
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waku.settings = settings{
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MaxMsgSize: cfg.MaxMessageSize,
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LightClient: cfg.LightClient,
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MinPeersForRelay: cfg.MinPeersForRelay,
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2022-11-29 12:43:11 +00:00
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PeerExchange: cfg.PeerExchange,
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DiscoveryLimit: cfg.DiscoveryLimit,
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2023-01-03 14:14:59 +00:00
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Nameserver: cfg.Nameserver,
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2023-02-24 13:29:58 +00:00
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EnableDiscV5: cfg.EnableDiscV5,
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2021-06-16 20:19:45 +00:00
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}
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waku.filters = common.NewFilters()
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2021-08-30 21:35:37 +00:00
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waku.bandwidthCounter = metrics.NewBandwidthCounter()
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2021-09-23 16:17:57 +00:00
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waku.filterMsgChannel = make(chan *protocol.Envelope, 1024)
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var privateKey *ecdsa.PrivateKey
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if nodeKey != "" {
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privateKey, err = crypto.HexToECDSA(nodeKey)
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} else {
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// If no nodekey is provided, create an ephemeral key
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privateKey, err = crypto.GenerateKey()
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}
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if err != nil {
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return nil, fmt.Errorf("failed to setup the go-waku private key: %v", err)
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}
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hostAddr, err := net.ResolveTCPAddr("tcp", fmt.Sprint(cfg.Host, ":", cfg.Port))
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if err != nil {
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return nil, fmt.Errorf("failed to setup the network interface: %v", err)
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}
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2021-10-12 12:39:28 +00:00
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ctx := context.Background()
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2021-09-23 16:17:57 +00:00
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connStatusChan := make(chan node.ConnStatus, 100)
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2021-07-21 10:08:08 +00:00
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2021-09-23 16:17:57 +00:00
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if cfg.KeepAliveInterval == 0 {
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cfg.KeepAliveInterval = DefaultConfig.KeepAliveInterval
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}
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2021-10-12 12:39:28 +00:00
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libp2pOpts := node.DefaultLibP2POptions
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libp2pOpts = append(libp2pOpts, libp2p.BandwidthReporter(waku.bandwidthCounter))
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2022-03-30 00:51:51 +00:00
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libp2pOpts = append(libp2pOpts, libp2p.NATPortMap())
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2022-11-29 12:16:01 +00:00
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libp2pOpts = append(libp2pOpts, libp2p.EnableHolePunching())
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2023-02-22 21:58:17 +00:00
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libp2pOpts = append(libp2pOpts, libp2p.EnableAutoRelayWithPeerSource(
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waku.autoRelayPeerSource,
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autorelay.WithMinInterval(autoRelayMinInterval),
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2022-11-29 12:16:01 +00:00
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))
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2021-10-12 12:39:28 +00:00
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2021-09-23 16:17:57 +00:00
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opts := []node.WakuNodeOption{
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node.WithLibP2POptions(libp2pOpts...),
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node.WithPrivateKey(privateKey),
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2021-11-22 13:40:14 +00:00
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node.WithHostAddress(hostAddr),
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2021-11-09 12:22:34 +00:00
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node.WithConnectionStatusChannel(connStatusChan),
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2021-09-23 16:17:57 +00:00
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node.WithKeepAlive(time.Duration(cfg.KeepAliveInterval) * time.Second),
|
2023-01-16 13:00:07 +00:00
|
|
|
node.WithDiscoverParams(cfg.DiscoveryLimit),
|
2022-10-20 16:14:11 +00:00
|
|
|
node.WithLogger(logger),
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
|
|
|
|
2021-11-22 13:40:14 +00:00
|
|
|
if cfg.EnableDiscV5 {
|
2021-11-22 15:27:05 +00:00
|
|
|
bootnodes, err := waku.getDiscV5BootstrapNodes(ctx, cfg.DiscV5BootstrapNodes)
|
2022-09-15 14:32:54 +00:00
|
|
|
if err != nil {
|
2022-12-09 16:16:21 +00:00
|
|
|
logger.Error("failed to get bootstrap nodes", zap.Error(err))
|
2022-09-15 14:32:54 +00:00
|
|
|
return nil, err
|
2021-11-22 13:40:14 +00:00
|
|
|
}
|
2022-12-09 16:16:21 +00:00
|
|
|
|
2023-01-16 13:00:07 +00:00
|
|
|
opts = append(opts, node.WithDiscoveryV5(uint(cfg.UDPPort), bootnodes, cfg.AutoUpdate))
|
2022-11-29 12:43:11 +00:00
|
|
|
|
|
|
|
// Peer exchange requires DiscV5 to run (might change in future versions of the protocol)
|
|
|
|
if cfg.PeerExchange {
|
|
|
|
opts = append(opts, node.WithPeerExchange())
|
|
|
|
}
|
|
|
|
|
2021-10-06 16:08:54 +00:00
|
|
|
}
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
if cfg.LightClient {
|
2021-11-02 18:27:37 +00:00
|
|
|
opts = append(opts, node.WithWakuFilter(false))
|
2021-09-23 16:17:57 +00:00
|
|
|
} else {
|
2021-10-19 13:43:41 +00:00
|
|
|
relayOpts := []pubsub.Option{
|
|
|
|
pubsub.WithMaxMessageSize(int(waku.settings.MaxMsgSize)),
|
2021-09-28 14:03:32 +00:00
|
|
|
}
|
|
|
|
|
2022-10-04 17:54:13 +00:00
|
|
|
opts = append(opts, node.WithWakuRelayAndMinPeers(waku.settings.MinPeersForRelay, relayOpts...))
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
|
|
|
|
2022-08-19 16:34:07 +00:00
|
|
|
if cfg.EnableStore {
|
2023-01-07 15:25:55 +00:00
|
|
|
opts = append(opts, node.WithWakuStore())
|
2022-08-19 16:34:07 +00:00
|
|
|
dbStore, err := persistence.NewDBStore(logger, persistence.WithDB(appDB), persistence.WithRetentionPolicy(cfg.StoreCapacity, time.Duration(cfg.StoreSeconds)*time.Second))
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
opts = append(opts, node.WithMessageProvider(dbStore))
|
|
|
|
}
|
|
|
|
|
2023-01-07 15:25:55 +00:00
|
|
|
if waku.node, err = node.New(opts...); err != nil {
|
2021-10-06 16:08:54 +00:00
|
|
|
return nil, fmt.Errorf("failed to create a go-waku node: %v", err)
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
idService, err := identify.NewIDService(waku.node.Host())
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
waku.identifyService = idService
|
2021-10-06 16:08:54 +00:00
|
|
|
|
2023-01-07 15:25:55 +00:00
|
|
|
if err = waku.node.Start(ctx); err != nil {
|
2021-10-06 16:08:54 +00:00
|
|
|
return nil, fmt.Errorf("failed to start go-waku node: %v", err)
|
|
|
|
}
|
2021-06-16 20:19:45 +00:00
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
if err = waku.addWakuV2Peers(ctx, cfg); err != nil {
|
|
|
|
return nil, fmt.Errorf("failed to add wakuv2 peers: %v", err)
|
|
|
|
}
|
|
|
|
|
2022-03-30 00:51:51 +00:00
|
|
|
if cfg.EnableDiscV5 {
|
2022-12-09 16:16:21 +00:00
|
|
|
err := waku.node.DiscV5().Start(ctx)
|
2022-04-01 21:27:46 +00:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
2022-03-30 00:51:51 +00:00
|
|
|
}
|
2022-11-29 12:43:11 +00:00
|
|
|
waku.wg.Add(4)
|
2022-03-30 00:51:51 +00:00
|
|
|
|
2021-07-21 10:08:08 +00:00
|
|
|
go func() {
|
2021-11-22 15:27:05 +00:00
|
|
|
defer waku.wg.Done()
|
2023-01-16 13:00:07 +00:00
|
|
|
|
|
|
|
isConnected := false
|
2021-07-21 10:08:08 +00:00
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-waku.quit:
|
|
|
|
return
|
|
|
|
case c := <-connStatusChan:
|
2022-01-12 16:02:01 +00:00
|
|
|
waku.connStatusMu.Lock()
|
2022-11-24 15:00:44 +00:00
|
|
|
latestConnStatus := formatConnStatus(waku.node, c)
|
2022-01-12 16:02:01 +00:00
|
|
|
for k, subs := range waku.connStatusSubscriptions {
|
|
|
|
if subs.Active() {
|
|
|
|
subs.C <- latestConnStatus
|
|
|
|
} else {
|
|
|
|
delete(waku.connStatusSubscriptions, k)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
waku.connStatusMu.Unlock()
|
|
|
|
signal.SendPeerStats(latestConnStatus)
|
2023-01-16 13:00:07 +00:00
|
|
|
|
2023-02-24 13:29:58 +00:00
|
|
|
if cfg.EnableDiscV5 {
|
|
|
|
// Restarting DiscV5
|
|
|
|
if !latestConnStatus.IsOnline && isConnected {
|
|
|
|
waku.logger.Debug("Restarting DiscV5: offline and is connected")
|
|
|
|
isConnected = false
|
|
|
|
waku.node.DiscV5().Stop()
|
|
|
|
} else if latestConnStatus.IsOnline && !isConnected {
|
|
|
|
waku.logger.Debug("Restarting DiscV5: online and is not connected")
|
|
|
|
isConnected = true
|
|
|
|
if !waku.node.DiscV5().IsStarted() {
|
|
|
|
err := waku.node.DiscV5().Start(ctx)
|
|
|
|
if err != nil {
|
|
|
|
waku.logger.Error("Could not start DiscV5", zap.Error(err))
|
|
|
|
}
|
2023-01-16 13:00:07 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2021-07-21 10:08:08 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}()
|
2021-09-23 16:17:57 +00:00
|
|
|
|
2023-01-31 22:46:47 +00:00
|
|
|
go waku.telemetryBandwidthStats(cfg.TelemetryServerURL)
|
2021-09-23 16:17:57 +00:00
|
|
|
go waku.runFilterMsgLoop()
|
|
|
|
go waku.runRelayMsgLoop()
|
2022-11-29 12:43:11 +00:00
|
|
|
go waku.runPeerExchangeLoop()
|
2021-09-23 16:17:57 +00:00
|
|
|
|
2022-11-04 13:56:45 +00:00
|
|
|
waku.logger.Info("setup the go-waku node successfully")
|
2021-09-23 16:17:57 +00:00
|
|
|
|
|
|
|
return waku, nil
|
|
|
|
}
|
|
|
|
|
2022-01-12 16:02:01 +00:00
|
|
|
func (w *Waku) SubscribeToConnStatusChanges() *types.ConnStatusSubscription {
|
|
|
|
w.connStatusMu.Lock()
|
|
|
|
defer w.connStatusMu.Unlock()
|
|
|
|
subscription := types.NewConnStatusSubscription()
|
|
|
|
w.connStatusSubscriptions[subscription.ID] = subscription
|
|
|
|
return subscription
|
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
func (w *Waku) getDiscV5BootstrapNodes(ctx context.Context, addresses []string) ([]*enode.Node, error) {
|
2022-09-15 14:32:54 +00:00
|
|
|
wg := sync.WaitGroup{}
|
|
|
|
mu := sync.Mutex{}
|
|
|
|
var result []*enode.Node
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
retrieveENR := func(d dnsdisc.DiscoveredNode, wg *sync.WaitGroup) {
|
2022-09-15 14:32:54 +00:00
|
|
|
mu.Lock()
|
|
|
|
defer mu.Unlock()
|
2021-11-22 15:27:05 +00:00
|
|
|
defer wg.Done()
|
2022-09-16 13:09:13 +00:00
|
|
|
if d.ENR != nil {
|
|
|
|
result = append(result, d.ENR)
|
|
|
|
}
|
2022-09-15 14:32:54 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for _, addrString := range addresses {
|
|
|
|
if addrString == "" {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
if strings.HasPrefix(addrString, "enrtree://") {
|
|
|
|
// Use DNS Discovery
|
|
|
|
wg.Add(1)
|
|
|
|
go func(addr string) {
|
|
|
|
defer wg.Done()
|
2021-11-22 15:27:05 +00:00
|
|
|
w.dnsDiscover(ctx, addr, retrieveENR)
|
2022-09-15 14:32:54 +00:00
|
|
|
}(addrString)
|
|
|
|
} else {
|
|
|
|
// It's a normal enr
|
|
|
|
bootnode, err := enode.Parse(enode.ValidSchemes, addrString)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
result = append(result, bootnode)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
wg.Wait()
|
2022-12-09 16:16:21 +00:00
|
|
|
|
|
|
|
w.seededBootnodesForDiscV5 = len(result) > 0
|
|
|
|
|
2022-09-15 14:32:54 +00:00
|
|
|
return result, nil
|
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
type fnApplyToEachPeer func(d dnsdisc.DiscoveredNode, wg *sync.WaitGroup)
|
|
|
|
|
|
|
|
func (w *Waku) dnsDiscover(ctx context.Context, enrtreeAddress string, apply fnApplyToEachPeer) {
|
2022-12-09 16:16:21 +00:00
|
|
|
w.logger.Info("retrieving nodes", zap.String("enr", enrtreeAddress))
|
2021-11-22 15:27:05 +00:00
|
|
|
ctx, cancel := context.WithTimeout(ctx, requestTimeout)
|
2021-11-09 12:22:34 +00:00
|
|
|
defer cancel()
|
|
|
|
|
2022-09-16 13:09:13 +00:00
|
|
|
w.dnsAddressCacheLock.Lock()
|
|
|
|
defer w.dnsAddressCacheLock.Unlock()
|
2021-10-06 16:08:54 +00:00
|
|
|
|
2022-09-16 13:09:13 +00:00
|
|
|
discNodes, ok := w.dnsAddressCache[enrtreeAddress]
|
2021-11-09 12:22:34 +00:00
|
|
|
if !ok {
|
2023-01-03 14:14:59 +00:00
|
|
|
w.settingsMu.RLock()
|
|
|
|
nameserver := w.settings.Nameserver
|
|
|
|
w.settingsMu.RUnlock()
|
|
|
|
|
|
|
|
var opts []dnsdisc.DnsDiscoveryOption
|
|
|
|
if nameserver != "" {
|
|
|
|
opts = append(opts, dnsdisc.WithNameserver(nameserver))
|
|
|
|
}
|
|
|
|
|
|
|
|
discoveredNodes, err := dnsdisc.RetrieveNodes(ctx, enrtreeAddress, opts...)
|
2021-10-06 16:08:54 +00:00
|
|
|
if err != nil {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Warn("dns discovery error ", zap.Error(err))
|
2021-11-09 12:22:34 +00:00
|
|
|
return
|
2021-10-06 16:08:54 +00:00
|
|
|
}
|
2022-09-16 13:09:13 +00:00
|
|
|
|
2022-12-09 16:16:21 +00:00
|
|
|
if len(discoveredNodes) != 0 {
|
|
|
|
w.dnsAddressCache[enrtreeAddress] = append(w.dnsAddressCache[enrtreeAddress], discoveredNodes...)
|
|
|
|
discNodes = w.dnsAddressCache[enrtreeAddress]
|
|
|
|
}
|
2021-11-09 12:22:34 +00:00
|
|
|
}
|
2021-10-06 16:08:54 +00:00
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
wg := &sync.WaitGroup{}
|
|
|
|
wg.Add(len(discNodes))
|
2022-09-15 14:32:54 +00:00
|
|
|
for _, d := range discNodes {
|
2021-11-22 15:27:05 +00:00
|
|
|
apply(d, wg)
|
|
|
|
}
|
|
|
|
wg.Wait()
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) addWakuV2Peers(ctx context.Context, cfg *Config) error {
|
|
|
|
fnApply := func(d dnsdisc.DiscoveredNode, wg *sync.WaitGroup) {
|
|
|
|
if len(d.Addresses) != 0 {
|
|
|
|
go func(ma multiaddr.Multiaddr) {
|
|
|
|
w.identifyAndConnect(ctx, w.settings.LightClient, ma)
|
|
|
|
wg.Done()
|
|
|
|
}(d.Addresses[0])
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
identifyWg := &sync.WaitGroup{}
|
|
|
|
identifyWg.Add(len(cfg.WakuNodes))
|
|
|
|
for _, addrString := range cfg.WakuNodes {
|
2023-01-03 14:14:59 +00:00
|
|
|
addrString := addrString
|
2021-11-22 15:27:05 +00:00
|
|
|
if strings.HasPrefix(addrString, "enrtree://") {
|
|
|
|
// Use DNS Discovery
|
|
|
|
go func() {
|
|
|
|
w.dnsDiscover(ctx, addrString, fnApply)
|
|
|
|
identifyWg.Done()
|
|
|
|
}()
|
|
|
|
} else {
|
|
|
|
// It is a normal multiaddress
|
|
|
|
addr, err := multiaddr.NewMultiaddr(addrString)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("invalid peer multiaddress", zap.String("ma", addrString), zap.Error(err))
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
go func(ma multiaddr.Multiaddr) {
|
|
|
|
w.identifyAndConnect(ctx, cfg.LightClient, ma)
|
|
|
|
identifyWg.Done()
|
|
|
|
}(addr)
|
|
|
|
}
|
2021-10-06 16:08:54 +00:00
|
|
|
}
|
2021-11-22 15:27:05 +00:00
|
|
|
|
|
|
|
identifyWg.Wait()
|
|
|
|
return nil
|
2021-10-06 16:08:54 +00:00
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
func (w *Waku) identifyAndConnect(ctx context.Context, isLightClient bool, ma multiaddr.Multiaddr) {
|
|
|
|
peerInfo, err := peer.AddrInfoFromP2pAddr(ma)
|
2021-11-09 12:22:34 +00:00
|
|
|
if err != nil {
|
2021-11-22 15:27:05 +00:00
|
|
|
w.logger.Warn("invalid peer multiaddress", zap.String("addr", ma.String()), zap.Error(err))
|
2021-11-09 12:22:34 +00:00
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
ctx, cancel := context.WithTimeout(ctx, 3*time.Second)
|
|
|
|
defer cancel()
|
|
|
|
|
|
|
|
err = w.node.Host().Connect(ctx, *peerInfo)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("could not extract peerinfo", zap.String("ma", ma.String()), zap.Error(err))
|
|
|
|
return
|
2022-09-15 14:32:54 +00:00
|
|
|
}
|
2021-11-09 12:22:34 +00:00
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
conns := w.node.Host().Network().ConnsToPeer(peerInfo.ID)
|
|
|
|
if len(conns) == 0 {
|
|
|
|
return // No connection
|
2021-11-09 12:22:34 +00:00
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
w.identifyService.IdentifyConn(conns[0])
|
|
|
|
|
|
|
|
if isLightClient {
|
|
|
|
err = w.node.Host().Network().ClosePeer(peerInfo.ID)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("could not close connections to peer", zap.Any("peer", peerInfo.ID), zap.Error(err))
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
2021-11-22 15:27:05 +00:00
|
|
|
return
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
supportedProtocols, err := w.node.Host().Peerstore().SupportsProtocols(peerInfo.ID, relay.WakuRelayID_v200)
|
2021-11-22 15:27:05 +00:00
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("could not obtain protocols", zap.Any("peer", peerInfo.ID), zap.Error(err))
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
if len(supportedProtocols) == 0 {
|
|
|
|
err = w.node.Host().Network().ClosePeer(peerInfo.ID)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("could not close connections to peer", zap.Any("peer", peerInfo.ID), zap.Error(err))
|
|
|
|
}
|
|
|
|
}
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
2023-01-31 22:46:47 +00:00
|
|
|
func (w *Waku) telemetryBandwidthStats(telemetryServerURL string) {
|
|
|
|
if telemetryServerURL == "" {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2023-02-17 13:15:28 +00:00
|
|
|
telemetry := NewBandwidthTelemetryClient(w.logger, telemetryServerURL)
|
2023-01-31 22:46:47 +00:00
|
|
|
|
|
|
|
ticker := time.NewTicker(time.Second * 20)
|
|
|
|
defer ticker.Stop()
|
|
|
|
|
2023-02-01 15:46:01 +00:00
|
|
|
today := time.Now()
|
|
|
|
|
2023-01-31 22:46:47 +00:00
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
2023-02-01 15:46:01 +00:00
|
|
|
case now := <-ticker.C:
|
|
|
|
// Reset totals when day changes
|
|
|
|
if now.Day() != today.Day() {
|
|
|
|
today = now
|
|
|
|
w.bandwidthCounter.Reset()
|
|
|
|
}
|
|
|
|
|
2023-01-31 22:46:47 +00:00
|
|
|
storeStats := w.bandwidthCounter.GetBandwidthForProtocol(store.StoreID_v20beta4)
|
|
|
|
relayStats := w.bandwidthCounter.GetBandwidthForProtocol(relay.WakuRelayID_v200)
|
|
|
|
go telemetry.PushProtocolStats(relayStats, storeStats)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-08-03 19:27:15 +00:00
|
|
|
func (w *Waku) GetStats() types.StatsSummary {
|
2021-08-30 21:35:37 +00:00
|
|
|
stats := w.bandwidthCounter.GetBandwidthTotals()
|
|
|
|
return types.StatsSummary{
|
|
|
|
UploadRate: uint64(stats.RateOut),
|
|
|
|
DownloadRate: uint64(stats.RateIn),
|
|
|
|
}
|
2021-08-03 19:27:15 +00:00
|
|
|
}
|
|
|
|
|
2022-11-29 12:43:11 +00:00
|
|
|
func (w *Waku) runPeerExchangeLoop() {
|
|
|
|
defer w.wg.Done()
|
|
|
|
|
|
|
|
if w.settings.PeerExchange && !w.settings.LightClient {
|
|
|
|
// Currently peer exchange is only used for full nodes
|
|
|
|
// TODO: should it be used for lightpush? or lightpush nodes
|
|
|
|
// are only going to be selected from a specific set of peers?
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
ticker := time.NewTicker(time.Second * 5)
|
|
|
|
defer ticker.Stop()
|
|
|
|
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
|
|
|
case <-ticker.C:
|
|
|
|
w.logger.Debug("Running peer exchange loop")
|
|
|
|
|
|
|
|
connectedPeers := w.node.Host().Network().Peers()
|
|
|
|
peersWithRelay := 0
|
|
|
|
for _, p := range connectedPeers {
|
2023-02-22 21:58:17 +00:00
|
|
|
supportedProtocols, err := w.node.Host().Peerstore().SupportsProtocols(p, relay.WakuRelayID_v200)
|
2022-11-29 12:43:11 +00:00
|
|
|
if err != nil {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if len(supportedProtocols) != 0 {
|
|
|
|
peersWithRelay++
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
peersToDiscover := w.settings.DiscoveryLimit - peersWithRelay
|
|
|
|
if peersToDiscover <= 0 {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
// We select only the nodes discovered via DNS Discovery that support peer exchange
|
|
|
|
w.dnsAddressCacheLock.RLock()
|
|
|
|
var withThesePeers []peer.ID
|
|
|
|
for _, record := range w.dnsAddressCache {
|
|
|
|
for _, discoveredNode := range record {
|
|
|
|
if len(discoveredNode.Addresses) == 0 {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
// Obtaining peer ID
|
|
|
|
peerIDString, err := discoveredNode.Addresses[0].ValueForProtocol(multiaddr.P_P2P)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("multiaddress does not contain peerID", zap.String("multiaddr", discoveredNode.Addresses[0].String()))
|
|
|
|
continue // No peer ID available somehow
|
|
|
|
}
|
|
|
|
|
|
|
|
peerID, err := peer.Decode(peerIDString)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("couldnt decode peerID", zap.String("peerIDString", peerIDString))
|
|
|
|
continue // Couldnt decode the peerID for some reason?
|
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
supportsProtocol, _ := w.node.Host().Peerstore().SupportsProtocols(peerID, peer_exchange.PeerExchangeID_v20alpha1)
|
2022-11-29 12:43:11 +00:00
|
|
|
if len(supportsProtocol) != 0 {
|
|
|
|
withThesePeers = append(withThesePeers, peerID)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
w.dnsAddressCacheLock.RUnlock()
|
|
|
|
|
|
|
|
if len(withThesePeers) == 0 {
|
|
|
|
continue // No peers with peer exchange have been discovered via DNS Discovery so far, skip this iteration
|
|
|
|
}
|
|
|
|
|
|
|
|
err := w.node.PeerExchange().Request(context.Background(), peersToDiscover, peer_exchange.WithAutomaticPeerSelection(withThesePeers...))
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("couldnt request peers via peer exchange", zap.Error(err))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
func (w *Waku) runRelayMsgLoop() {
|
2021-11-22 15:27:05 +00:00
|
|
|
defer w.wg.Done()
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
if w.settings.LightClient {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2021-11-22 13:40:14 +00:00
|
|
|
sub, err := w.node.Relay().Subscribe(context.Background())
|
2021-06-16 20:19:45 +00:00
|
|
|
if err != nil {
|
|
|
|
fmt.Println("Could not subscribe:", err)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2022-11-11 14:34:56 +00:00
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-w.quit:
|
|
|
|
sub.Unsubscribe()
|
|
|
|
return
|
|
|
|
case env := <-sub.C:
|
|
|
|
envelopeErrors, err := w.OnNewEnvelopes(env, common.RelayedMessageType)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("onNewEnvelope error", zap.Error(err))
|
|
|
|
}
|
|
|
|
// TODO: should these be handled?
|
|
|
|
_ = envelopeErrors
|
|
|
|
_ = err
|
2022-11-04 13:56:45 +00:00
|
|
|
}
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
func (w *Waku) runFilterMsgLoop() {
|
2021-11-22 15:27:05 +00:00
|
|
|
defer w.wg.Done()
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
if !w.settings.LightClient {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
|
|
|
case env := <-w.filterMsgChannel:
|
2021-12-01 15:15:18 +00:00
|
|
|
envelopeErrors, err := w.OnNewEnvelopes(env, common.RelayedMessageType)
|
2021-09-23 16:17:57 +00:00
|
|
|
// TODO: should these be handled?
|
|
|
|
_ = envelopeErrors
|
|
|
|
_ = err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) subscribeWakuFilterTopic(topics [][]byte) {
|
2021-10-19 13:43:41 +00:00
|
|
|
var contentTopics []string
|
2021-09-23 16:17:57 +00:00
|
|
|
for _, topic := range topics {
|
2021-10-19 13:43:41 +00:00
|
|
|
contentTopics = append(contentTopics, common.BytesToTopic(topic).ContentTopic())
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
2021-10-19 13:43:41 +00:00
|
|
|
|
|
|
|
var err error
|
2021-11-09 12:22:34 +00:00
|
|
|
contentFilter := filter.ContentFilter{
|
2021-11-22 13:40:14 +00:00
|
|
|
Topic: relay.DefaultWakuTopic,
|
2021-10-19 13:43:41 +00:00
|
|
|
ContentTopics: contentTopics,
|
|
|
|
}
|
2021-11-09 12:22:34 +00:00
|
|
|
|
|
|
|
var wakuFilter filter.Filter
|
|
|
|
_, wakuFilter, err = w.node.Filter().Subscribe(context.Background(), contentFilter)
|
2021-09-23 16:17:57 +00:00
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("could not add wakuv2 filter for topics", zap.Any("topics", topics))
|
|
|
|
return
|
|
|
|
}
|
2021-11-09 12:22:34 +00:00
|
|
|
|
|
|
|
w.filterMsgChannel = wakuFilter.Chan
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
// MaxMessageSize returns the maximum accepted message size.
|
|
|
|
func (w *Waku) MaxMessageSize() uint32 {
|
|
|
|
w.settingsMu.RLock()
|
|
|
|
defer w.settingsMu.RUnlock()
|
|
|
|
return w.settings.MaxMsgSize
|
|
|
|
}
|
|
|
|
|
|
|
|
// ConfirmationsEnabled returns true if message confirmations are enabled.
|
|
|
|
func (w *Waku) ConfirmationsEnabled() bool {
|
|
|
|
w.settingsMu.RLock()
|
|
|
|
defer w.settingsMu.RUnlock()
|
|
|
|
return w.settings.EnableConfirmations
|
|
|
|
}
|
|
|
|
|
|
|
|
// CurrentTime returns current time.
|
|
|
|
func (w *Waku) CurrentTime() time.Time {
|
|
|
|
return w.timeSource()
|
|
|
|
}
|
|
|
|
|
|
|
|
// SetTimeSource assigns a particular source of time to a waku object.
|
|
|
|
func (w *Waku) SetTimeSource(timesource func() time.Time) {
|
|
|
|
w.timeSource = timesource
|
|
|
|
}
|
|
|
|
|
|
|
|
// APIs returns the RPC descriptors the Waku implementation offers
|
|
|
|
func (w *Waku) APIs() []rpc.API {
|
|
|
|
return []rpc.API{
|
|
|
|
{
|
|
|
|
Namespace: Name,
|
|
|
|
Version: VersionStr,
|
|
|
|
Service: NewPublicWakuAPI(w),
|
|
|
|
Public: false,
|
|
|
|
},
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Protocols returns the waku sub-protocols ran by this particular client.
|
|
|
|
func (w *Waku) Protocols() []p2p.Protocol {
|
|
|
|
return []p2p.Protocol{}
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) SendEnvelopeEvent(event common.EnvelopeEvent) int {
|
|
|
|
return w.envelopeFeed.Send(event)
|
|
|
|
}
|
|
|
|
|
|
|
|
// SubscribeEnvelopeEvents subscribes to envelopes feed.
|
|
|
|
// In order to prevent blocking waku producers events must be amply buffered.
|
|
|
|
func (w *Waku) SubscribeEnvelopeEvents(events chan<- common.EnvelopeEvent) event.Subscription {
|
|
|
|
return w.envelopeFeed.Subscribe(events)
|
|
|
|
}
|
|
|
|
|
|
|
|
// NewKeyPair generates a new cryptographic identity for the client, and injects
|
|
|
|
// it into the known identities for message decryption. Returns ID of the new key pair.
|
|
|
|
func (w *Waku) NewKeyPair() (string, error) {
|
|
|
|
key, err := crypto.GenerateKey()
|
|
|
|
if err != nil || !validatePrivateKey(key) {
|
|
|
|
key, err = crypto.GenerateKey() // retry once
|
|
|
|
}
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
if !validatePrivateKey(key) {
|
|
|
|
return "", fmt.Errorf("failed to generate valid key")
|
|
|
|
}
|
|
|
|
|
|
|
|
id, err := toDeterministicID(hexutil.Encode(crypto.FromECDSAPub(&key.PublicKey)), common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
if w.privateKeys[id] != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate unique ID")
|
|
|
|
}
|
|
|
|
w.privateKeys[id] = key
|
|
|
|
return id, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// DeleteKeyPair deletes the specified key if it exists.
|
|
|
|
func (w *Waku) DeleteKeyPair(key string) bool {
|
|
|
|
deterministicID, err := toDeterministicID(key, common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
if w.privateKeys[deterministicID] != nil {
|
|
|
|
delete(w.privateKeys, deterministicID)
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
// AddKeyPair imports a asymmetric private key and returns it identifier.
|
|
|
|
func (w *Waku) AddKeyPair(key *ecdsa.PrivateKey) (string, error) {
|
|
|
|
id, err := makeDeterministicID(hexutil.Encode(crypto.FromECDSAPub(&key.PublicKey)), common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
if w.HasKeyPair(id) {
|
|
|
|
return id, nil // no need to re-inject
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
w.privateKeys[id] = key
|
|
|
|
w.keyMu.Unlock()
|
|
|
|
|
|
|
|
return id, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// SelectKeyPair adds cryptographic identity, and makes sure
|
|
|
|
// that it is the only private key known to the node.
|
|
|
|
func (w *Waku) SelectKeyPair(key *ecdsa.PrivateKey) error {
|
|
|
|
id, err := makeDeterministicID(hexutil.Encode(crypto.FromECDSAPub(&key.PublicKey)), common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
w.privateKeys = make(map[string]*ecdsa.PrivateKey) // reset key store
|
|
|
|
w.privateKeys[id] = key
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// DeleteKeyPairs removes all cryptographic identities known to the node
|
|
|
|
func (w *Waku) DeleteKeyPairs() error {
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
w.privateKeys = make(map[string]*ecdsa.PrivateKey)
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// HasKeyPair checks if the waku node is configured with the private key
|
|
|
|
// of the specified public pair.
|
|
|
|
func (w *Waku) HasKeyPair(id string) bool {
|
|
|
|
deterministicID, err := toDeterministicID(id, common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.RLock()
|
|
|
|
defer w.keyMu.RUnlock()
|
|
|
|
return w.privateKeys[deterministicID] != nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetPrivateKey retrieves the private key of the specified identity.
|
|
|
|
func (w *Waku) GetPrivateKey(id string) (*ecdsa.PrivateKey, error) {
|
|
|
|
deterministicID, err := toDeterministicID(id, common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.RLock()
|
|
|
|
defer w.keyMu.RUnlock()
|
|
|
|
key := w.privateKeys[deterministicID]
|
|
|
|
if key == nil {
|
|
|
|
return nil, fmt.Errorf("invalid id")
|
|
|
|
}
|
|
|
|
return key, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// GenerateSymKey generates a random symmetric key and stores it under id,
|
|
|
|
// which is then returned. Will be used in the future for session key exchange.
|
|
|
|
func (w *Waku) GenerateSymKey() (string, error) {
|
|
|
|
key, err := common.GenerateSecureRandomData(common.AESKeyLength)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
} else if !common.ValidateDataIntegrity(key, common.AESKeyLength) {
|
|
|
|
return "", fmt.Errorf("error in GenerateSymKey: crypto/rand failed to generate random data")
|
|
|
|
}
|
|
|
|
|
|
|
|
id, err := common.GenerateRandomID()
|
|
|
|
if err != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate ID: %s", err)
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
if w.symKeys[id] != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate unique ID")
|
|
|
|
}
|
|
|
|
w.symKeys[id] = key
|
|
|
|
return id, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// AddSymKey stores the key with a given id.
|
|
|
|
func (w *Waku) AddSymKey(id string, key []byte) (string, error) {
|
|
|
|
deterministicID, err := toDeterministicID(id, common.KeyIDSize)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
if w.symKeys[deterministicID] != nil {
|
|
|
|
return "", fmt.Errorf("key already exists: %v", id)
|
|
|
|
}
|
|
|
|
w.symKeys[deterministicID] = key
|
|
|
|
return deterministicID, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// AddSymKeyDirect stores the key, and returns its id.
|
|
|
|
func (w *Waku) AddSymKeyDirect(key []byte) (string, error) {
|
|
|
|
if len(key) != common.AESKeyLength {
|
|
|
|
return "", fmt.Errorf("wrong key size: %d", len(key))
|
|
|
|
}
|
|
|
|
|
|
|
|
id, err := common.GenerateRandomID()
|
|
|
|
if err != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate ID: %s", err)
|
|
|
|
}
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
if w.symKeys[id] != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate unique ID")
|
|
|
|
}
|
|
|
|
w.symKeys[id] = key
|
|
|
|
return id, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// AddSymKeyFromPassword generates the key from password, stores it, and returns its id.
|
|
|
|
func (w *Waku) AddSymKeyFromPassword(password string) (string, error) {
|
|
|
|
id, err := common.GenerateRandomID()
|
|
|
|
if err != nil {
|
|
|
|
return "", fmt.Errorf("failed to generate ID: %s", err)
|
|
|
|
}
|
|
|
|
if w.HasSymKey(id) {
|
|
|
|
return "", fmt.Errorf("failed to generate unique ID")
|
|
|
|
}
|
|
|
|
|
|
|
|
// kdf should run no less than 0.1 seconds on an average computer,
|
|
|
|
// because it's an once in a session experience
|
|
|
|
derived := pbkdf2.Key([]byte(password), nil, 65356, common.AESKeyLength, sha256.New)
|
|
|
|
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
|
|
|
|
// double check is necessary, because deriveKeyMaterial() is very slow
|
|
|
|
if w.symKeys[id] != nil {
|
|
|
|
return "", fmt.Errorf("critical error: failed to generate unique ID")
|
|
|
|
}
|
|
|
|
w.symKeys[id] = derived
|
|
|
|
return id, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// HasSymKey returns true if there is a key associated with the given id.
|
|
|
|
// Otherwise returns false.
|
|
|
|
func (w *Waku) HasSymKey(id string) bool {
|
|
|
|
w.keyMu.RLock()
|
|
|
|
defer w.keyMu.RUnlock()
|
|
|
|
return w.symKeys[id] != nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// DeleteSymKey deletes the key associated with the name string if it exists.
|
|
|
|
func (w *Waku) DeleteSymKey(id string) bool {
|
|
|
|
w.keyMu.Lock()
|
|
|
|
defer w.keyMu.Unlock()
|
|
|
|
if w.symKeys[id] != nil {
|
|
|
|
delete(w.symKeys, id)
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetSymKey returns the symmetric key associated with the given id.
|
|
|
|
func (w *Waku) GetSymKey(id string) ([]byte, error) {
|
|
|
|
w.keyMu.RLock()
|
|
|
|
defer w.keyMu.RUnlock()
|
|
|
|
if w.symKeys[id] != nil {
|
|
|
|
return w.symKeys[id], nil
|
|
|
|
}
|
|
|
|
return nil, fmt.Errorf("non-existent key ID")
|
|
|
|
}
|
|
|
|
|
|
|
|
// Subscribe installs a new message handler used for filtering, decrypting
|
|
|
|
// and subsequent storing of incoming messages.
|
|
|
|
func (w *Waku) Subscribe(f *common.Filter) (string, error) {
|
|
|
|
s, err := w.filters.Install(f)
|
|
|
|
if err != nil {
|
|
|
|
return s, err
|
|
|
|
}
|
|
|
|
|
2021-09-23 16:17:57 +00:00
|
|
|
if w.settings.LightClient {
|
|
|
|
w.subscribeWakuFilterTopic(f.Topics)
|
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
return s, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetFilter returns the filter by id.
|
|
|
|
func (w *Waku) GetFilter(id string) *common.Filter {
|
|
|
|
return w.filters.Get(id)
|
|
|
|
}
|
|
|
|
|
|
|
|
// Unsubscribe removes an installed message handler.
|
|
|
|
func (w *Waku) Unsubscribe(id string) error {
|
2021-10-19 13:43:41 +00:00
|
|
|
f := w.filters.Get(id)
|
|
|
|
if f != nil && w.settings.LightClient {
|
|
|
|
contentFilter := filter.ContentFilter{
|
2021-11-22 13:40:14 +00:00
|
|
|
Topic: relay.DefaultWakuTopic,
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
2021-10-19 13:43:41 +00:00
|
|
|
for _, topic := range f.Topics {
|
|
|
|
contentFilter.ContentTopics = append(contentFilter.ContentTopics, common.BytesToTopic(topic).ContentTopic())
|
|
|
|
}
|
2021-11-09 12:22:34 +00:00
|
|
|
|
|
|
|
if err := w.node.Filter().UnsubscribeFilter(context.Background(), contentFilter); err != nil {
|
2021-10-19 13:43:41 +00:00
|
|
|
return fmt.Errorf("failed to unsubscribe: %w", err)
|
2021-09-23 16:17:57 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
ok := w.filters.Uninstall(id)
|
|
|
|
if !ok {
|
|
|
|
return fmt.Errorf("failed to unsubscribe: invalid ID '%s'", id)
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Unsubscribe removes an installed message handler.
|
|
|
|
func (w *Waku) UnsubscribeMany(ids []string) error {
|
|
|
|
for _, id := range ids {
|
|
|
|
w.logger.Debug("cleaning up filter", zap.String("id", id))
|
|
|
|
ok := w.filters.Uninstall(id)
|
|
|
|
if !ok {
|
|
|
|
w.logger.Warn("could not remove filter with id", zap.String("id", id))
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2021-11-18 18:31:28 +00:00
|
|
|
func (w *Waku) broadcast() {
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case msg := <-w.sendQueue:
|
2021-11-02 18:27:37 +00:00
|
|
|
|
2022-11-04 13:56:45 +00:00
|
|
|
hash, _, err := msg.Hash()
|
2021-11-18 18:31:28 +00:00
|
|
|
if err != nil {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Error("invalid message", zap.Error(err))
|
2021-11-18 18:31:28 +00:00
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
2022-10-04 17:54:13 +00:00
|
|
|
if w.settings.LightClient {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Info("publishing message via lightpush", zap.String("envelopeHash", hexutil.Encode(hash)))
|
2021-11-22 13:40:14 +00:00
|
|
|
_, err = w.node.Lightpush().Publish(context.Background(), msg)
|
2021-11-18 18:31:28 +00:00
|
|
|
} else {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Info("publishing message via relay", zap.String("envelopeHash", hexutil.Encode(hash)))
|
2021-11-22 13:40:14 +00:00
|
|
|
_, err = w.node.Relay().Publish(context.Background(), msg)
|
2021-11-18 18:31:28 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if err != nil {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Error("could not send message", zap.String("envelopeHash", hexutil.Encode(hash)), zap.Error(err))
|
2021-11-18 18:31:28 +00:00
|
|
|
w.envelopeFeed.Send(common.EnvelopeEvent{
|
|
|
|
Hash: gethcommon.BytesToHash(hash),
|
|
|
|
Event: common.EventEnvelopeExpired,
|
|
|
|
})
|
|
|
|
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
event := common.EnvelopeEvent{
|
|
|
|
Event: common.EventEnvelopeSent,
|
|
|
|
Hash: gethcommon.BytesToHash(hash),
|
|
|
|
}
|
|
|
|
|
|
|
|
w.SendEnvelopeEvent(event)
|
|
|
|
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
|
|
|
}
|
2021-11-02 18:27:37 +00:00
|
|
|
}
|
2021-11-18 18:31:28 +00:00
|
|
|
}
|
2021-11-02 18:27:37 +00:00
|
|
|
|
2021-11-18 18:31:28 +00:00
|
|
|
// Send injects a message into the waku send queue, to be distributed in the
|
|
|
|
// network in the coming cycles.
|
|
|
|
func (w *Waku) Send(msg *pb.WakuMessage) ([]byte, error) {
|
2022-11-04 13:56:45 +00:00
|
|
|
hash, _, err := msg.Hash()
|
2021-11-02 18:27:37 +00:00
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
|
2021-11-18 18:31:28 +00:00
|
|
|
w.sendQueue <- msg
|
|
|
|
|
2021-11-02 18:27:37 +00:00
|
|
|
w.poolMu.Lock()
|
|
|
|
_, alreadyCached := w.envelopes[gethcommon.BytesToHash(hash)]
|
|
|
|
w.poolMu.Unlock()
|
|
|
|
if !alreadyCached {
|
2021-11-22 15:27:05 +00:00
|
|
|
envelope := protocol.NewEnvelope(msg, msg.Timestamp, relay.DefaultWakuTopic)
|
2021-12-01 15:15:18 +00:00
|
|
|
recvMessage := common.NewReceivedMessage(envelope, common.RelayedMessageType)
|
2021-11-18 18:31:28 +00:00
|
|
|
w.postEvent(recvMessage) // notify the local node about the new message
|
2021-11-02 18:27:37 +00:00
|
|
|
w.addEnvelope(recvMessage)
|
|
|
|
}
|
|
|
|
|
|
|
|
return hash, nil
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
func (w *Waku) query(ctx context.Context, peerID peer.ID, topics []common.TopicType, from uint64, to uint64, opts []store.HistoryRequestOption) (*store.Result, error) {
|
2021-06-16 20:19:45 +00:00
|
|
|
strTopics := make([]string, len(topics))
|
|
|
|
for i, t := range topics {
|
2021-09-01 21:25:31 +00:00
|
|
|
strTopics[i] = t.ContentTopic()
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
2022-11-24 21:09:17 +00:00
|
|
|
opts = append(opts, store.WithPeer(peerID))
|
|
|
|
|
2021-11-02 18:27:37 +00:00
|
|
|
query := store.Query{
|
2022-03-02 14:48:51 +00:00
|
|
|
StartTime: int64(from) * int64(time.Second),
|
|
|
|
EndTime: int64(to) * int64(time.Second),
|
2021-11-02 18:27:37 +00:00
|
|
|
ContentTopics: strTopics,
|
2021-11-22 13:40:14 +00:00
|
|
|
Topic: relay.DefaultWakuTopic,
|
2021-11-02 18:27:37 +00:00
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
return w.node.Store().Query(ctx, query, opts...)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) Query(ctx context.Context, peerID peer.ID, topics []common.TopicType, from uint64, to uint64, opts []store.HistoryRequestOption) (cursor *storepb.Index, err error) {
|
|
|
|
requestID := protocol.GenerateRequestId()
|
|
|
|
opts = append(opts, store.WithRequestId(requestID))
|
|
|
|
result, err := w.query(ctx, peerID, topics, from, to, opts)
|
2023-01-26 20:31:27 +00:00
|
|
|
if err != nil {
|
2023-01-26 16:29:00 +00:00
|
|
|
w.logger.Error("error querying storenode", zap.String("requestID", hexutil.Encode(requestID)), zap.String("peerID", peerID.String()), zap.Error(err))
|
2022-11-24 21:09:17 +00:00
|
|
|
signal.SendHistoricMessagesRequestFailed(requestID, peerID, err)
|
|
|
|
return nil, err
|
2021-11-02 18:27:37 +00:00
|
|
|
}
|
2021-06-16 20:19:45 +00:00
|
|
|
|
|
|
|
for _, msg := range result.Messages {
|
2022-12-20 17:59:59 +00:00
|
|
|
// Temporarily setting RateLimitProof to nil so it matches the WakuMessage protobuffer we are sending
|
|
|
|
// See https://github.com/vacp2p/rfc/issues/563
|
|
|
|
msg.RateLimitProof = nil
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
envelope := protocol.NewEnvelope(msg, msg.Timestamp, relay.DefaultWakuTopic)
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Info("received waku2 store message", zap.Any("envelopeHash", hexutil.Encode(envelope.Hash())))
|
2021-12-01 15:15:18 +00:00
|
|
|
_, err = w.OnNewEnvelopes(envelope, common.StoreMessageType)
|
2021-06-16 20:19:45 +00:00
|
|
|
if err != nil {
|
2021-07-21 19:02:50 +00:00
|
|
|
return nil, err
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2022-10-03 21:57:43 +00:00
|
|
|
if !result.IsComplete() {
|
2021-11-02 18:27:37 +00:00
|
|
|
cursor = result.Cursor()
|
2021-07-21 19:02:50 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// Start implements node.Service, starting the background data propagation thread
|
|
|
|
// of the Waku protocol.
|
2021-06-30 11:40:54 +00:00
|
|
|
func (w *Waku) Start() error {
|
2021-06-16 20:19:45 +00:00
|
|
|
numCPU := runtime.NumCPU()
|
|
|
|
for i := 0; i < numCPU; i++ {
|
|
|
|
go w.processQueue()
|
|
|
|
}
|
|
|
|
|
2021-11-18 18:31:28 +00:00
|
|
|
go w.broadcast()
|
2022-12-09 16:16:21 +00:00
|
|
|
go w.seedBootnodesForDiscV5()
|
2021-11-18 18:31:28 +00:00
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// Stop implements node.Service, stopping the background data propagation thread
|
|
|
|
// of the Waku protocol.
|
|
|
|
func (w *Waku) Stop() error {
|
2021-11-22 15:27:05 +00:00
|
|
|
w.identifyService.Close()
|
2021-06-16 20:19:45 +00:00
|
|
|
w.node.Stop()
|
|
|
|
close(w.quit)
|
2021-09-23 16:17:57 +00:00
|
|
|
close(w.filterMsgChannel)
|
2022-12-09 16:16:21 +00:00
|
|
|
close(w.connectionChanged)
|
2021-11-22 15:27:05 +00:00
|
|
|
w.wg.Wait()
|
2021-06-16 20:19:45 +00:00
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
2021-11-22 15:27:05 +00:00
|
|
|
func (w *Waku) OnNewEnvelopes(envelope *protocol.Envelope, msgType common.MessageType) ([]common.EnvelopeError, error) {
|
2023-02-08 14:58:10 +00:00
|
|
|
if envelope == nil {
|
|
|
|
return nil, errors.New("nil envelope error")
|
|
|
|
}
|
2023-02-08 12:10:07 +00:00
|
|
|
|
2021-12-01 15:15:18 +00:00
|
|
|
recvMessage := common.NewReceivedMessage(envelope, msgType)
|
2023-02-24 13:32:13 +00:00
|
|
|
if recvMessage == nil {
|
|
|
|
return nil, nil
|
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
envelopeErrors := make([]common.EnvelopeError, 0)
|
|
|
|
|
2022-11-07 15:25:50 +00:00
|
|
|
logger := w.logger.With(zap.String("hash", recvMessage.Hash().Hex()))
|
|
|
|
|
|
|
|
logger.Debug("received new envelope")
|
2021-06-16 20:19:45 +00:00
|
|
|
|
|
|
|
trouble := false
|
|
|
|
|
|
|
|
_, err := w.add(recvMessage)
|
|
|
|
if err != nil {
|
2022-11-07 15:25:50 +00:00
|
|
|
logger.Info("invalid envelope received", zap.Error(err))
|
2022-11-04 13:56:45 +00:00
|
|
|
trouble = true
|
2021-06-16 20:19:45 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
common.EnvelopesValidatedCounter.Inc()
|
|
|
|
|
|
|
|
if trouble {
|
|
|
|
return envelopeErrors, errors.New("received invalid envelope")
|
|
|
|
}
|
|
|
|
|
|
|
|
return envelopeErrors, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// addEnvelope adds an envelope to the envelope map, used for sending
|
|
|
|
func (w *Waku) addEnvelope(envelope *common.ReceivedMessage) {
|
|
|
|
hash := envelope.Hash()
|
|
|
|
|
|
|
|
w.poolMu.Lock()
|
|
|
|
w.envelopes[hash] = envelope
|
|
|
|
w.poolMu.Unlock()
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) add(recvMessage *common.ReceivedMessage) (bool, error) {
|
|
|
|
common.EnvelopesReceivedCounter.Inc()
|
|
|
|
|
|
|
|
hash := recvMessage.Hash()
|
|
|
|
|
|
|
|
w.poolMu.Lock()
|
|
|
|
_, alreadyCached := w.envelopes[hash]
|
|
|
|
w.poolMu.Unlock()
|
|
|
|
if !alreadyCached {
|
|
|
|
w.addEnvelope(recvMessage)
|
|
|
|
}
|
|
|
|
|
|
|
|
if alreadyCached {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Debug("w envelope already cached", zap.String("envelopeHash", recvMessage.Hash().Hex()))
|
2021-06-16 20:19:45 +00:00
|
|
|
common.EnvelopesCachedCounter.WithLabelValues("hit").Inc()
|
|
|
|
} else {
|
2022-11-04 13:56:45 +00:00
|
|
|
w.logger.Debug("cached w envelope", zap.String("envelopeHash", recvMessage.Hash().Hex()))
|
2021-06-16 20:19:45 +00:00
|
|
|
common.EnvelopesCachedCounter.WithLabelValues("miss").Inc()
|
|
|
|
common.EnvelopesSizeMeter.Observe(float64(recvMessage.Envelope.Size()))
|
|
|
|
w.postEvent(recvMessage) // notify the local node about the new message
|
|
|
|
}
|
|
|
|
return true, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// postEvent queues the message for further processing.
|
|
|
|
func (w *Waku) postEvent(envelope *common.ReceivedMessage) {
|
|
|
|
w.msgQueue <- envelope
|
|
|
|
}
|
|
|
|
|
|
|
|
// processQueue delivers the messages to the watchers during the lifetime of the waku node.
|
|
|
|
func (w *Waku) processQueue() {
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
|
|
|
case e := <-w.msgQueue:
|
2021-12-01 15:15:18 +00:00
|
|
|
if e.MsgType == common.StoreMessageType {
|
|
|
|
// We need to insert it first, and then remove it if not matched,
|
|
|
|
// as messages are processed asynchronously
|
|
|
|
w.storeMsgIDsMu.Lock()
|
|
|
|
w.storeMsgIDs[e.Hash()] = true
|
|
|
|
w.storeMsgIDsMu.Unlock()
|
|
|
|
}
|
|
|
|
|
|
|
|
matched := w.filters.NotifyWatchers(e)
|
|
|
|
|
|
|
|
// If not matched we remove it
|
|
|
|
if !matched {
|
2023-01-04 19:44:12 +00:00
|
|
|
w.logger.Debug("filters did not match", zap.String("hash", e.Hash().String()), zap.String("contentTopic", e.Topic.ContentTopic()))
|
2021-12-01 15:15:18 +00:00
|
|
|
w.storeMsgIDsMu.Lock()
|
|
|
|
delete(w.storeMsgIDs, e.Hash())
|
|
|
|
w.storeMsgIDsMu.Unlock()
|
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
w.envelopeFeed.Send(common.EnvelopeEvent{
|
|
|
|
Topic: e.Topic,
|
|
|
|
Hash: e.Hash(),
|
|
|
|
Event: common.EventEnvelopeAvailable,
|
|
|
|
})
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Envelopes retrieves all the messages currently pooled by the node.
|
|
|
|
func (w *Waku) Envelopes() []*common.ReceivedMessage {
|
|
|
|
w.poolMu.RLock()
|
|
|
|
defer w.poolMu.RUnlock()
|
|
|
|
|
|
|
|
all := make([]*common.ReceivedMessage, 0, len(w.envelopes))
|
|
|
|
for _, envelope := range w.envelopes {
|
|
|
|
all = append(all, envelope)
|
|
|
|
}
|
|
|
|
return all
|
|
|
|
}
|
|
|
|
|
|
|
|
// GetEnvelope retrieves an envelope from the message queue by its hash.
|
|
|
|
// It returns nil if the envelope can not be found.
|
|
|
|
func (w *Waku) GetEnvelope(hash gethcommon.Hash) *common.ReceivedMessage {
|
|
|
|
w.poolMu.RLock()
|
|
|
|
defer w.poolMu.RUnlock()
|
|
|
|
return w.envelopes[hash]
|
|
|
|
}
|
|
|
|
|
|
|
|
// isEnvelopeCached checks if envelope with specific hash has already been received and cached.
|
|
|
|
func (w *Waku) IsEnvelopeCached(hash gethcommon.Hash) bool {
|
|
|
|
w.poolMu.Lock()
|
|
|
|
defer w.poolMu.Unlock()
|
|
|
|
|
|
|
|
_, exist := w.envelopes[hash]
|
|
|
|
return exist
|
|
|
|
}
|
|
|
|
|
2021-08-30 14:57:28 +00:00
|
|
|
func (w *Waku) PeerCount() int {
|
|
|
|
return w.node.PeerCount()
|
|
|
|
}
|
|
|
|
|
2022-11-24 15:00:44 +00:00
|
|
|
func (w *Waku) Peers() map[string]types.WakuV2Peer {
|
|
|
|
return FormatPeerStats(w.node, w.node.PeerStats())
|
2021-11-22 13:40:14 +00:00
|
|
|
}
|
|
|
|
|
2022-11-24 21:27:46 +00:00
|
|
|
func (w *Waku) ListenAddresses() []string {
|
|
|
|
addrs := w.node.ListenAddresses()
|
|
|
|
var result []string
|
|
|
|
for _, addr := range addrs {
|
|
|
|
result = append(result, addr.String())
|
|
|
|
}
|
|
|
|
return result
|
|
|
|
}
|
|
|
|
|
2021-11-22 13:40:14 +00:00
|
|
|
func (w *Waku) StartDiscV5() error {
|
|
|
|
if w.node.DiscV5() == nil {
|
|
|
|
return errors.New("discv5 is not setup")
|
|
|
|
}
|
|
|
|
|
2022-12-09 16:16:21 +00:00
|
|
|
return w.node.DiscV5().Start(context.Background())
|
2021-11-22 13:40:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) StopDiscV5() error {
|
|
|
|
if w.node.DiscV5() == nil {
|
|
|
|
return errors.New("discv5 is not setup")
|
|
|
|
}
|
|
|
|
|
|
|
|
w.node.DiscV5().Stop()
|
|
|
|
return nil
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
|
2022-12-09 16:16:21 +00:00
|
|
|
func (w *Waku) ConnectionChanged(state connection.State) {
|
|
|
|
if !state.Offline && w.offline {
|
|
|
|
select {
|
|
|
|
case w.connectionChanged <- struct{}{}:
|
2023-01-13 17:12:46 +00:00
|
|
|
default:
|
|
|
|
w.logger.Warn("could not write on connection changed channel")
|
2022-12-09 16:16:21 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
w.offline = !state.Offline
|
|
|
|
}
|
|
|
|
|
|
|
|
// seedBootnodesForDiscV5 tries to fetch bootnodes
|
|
|
|
// from an ENR periodically.
|
|
|
|
// It backs off exponentially until maxRetries, at which point it restarts from 0
|
|
|
|
// It also restarts if there's a connection change signalled from the client
|
|
|
|
func (w *Waku) seedBootnodesForDiscV5() {
|
2023-02-24 13:29:58 +00:00
|
|
|
if !w.settings.EnableDiscV5 || w.node.DiscV5() == nil {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2022-12-09 16:16:21 +00:00
|
|
|
ticker := time.NewTicker(200 * time.Millisecond)
|
|
|
|
defer ticker.Stop()
|
|
|
|
var lastTry = time.Now().UnixNano() / int64(time.Millisecond)
|
|
|
|
var retries = 0
|
|
|
|
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case <-ticker.C:
|
|
|
|
if w.seededBootnodesForDiscV5 {
|
|
|
|
w.logger.Info("stopped querying bootnodes")
|
|
|
|
return
|
|
|
|
}
|
|
|
|
now := time.Now().UnixNano() / int64(time.Millisecond)
|
|
|
|
backoff := bootnodesQueryBackoffMs * int64(math.Exp2(float64(retries)))
|
|
|
|
|
|
|
|
if lastTry+backoff < now {
|
|
|
|
err := w.restartDiscV5()
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("failed to restart discv5", zap.Error(err))
|
|
|
|
}
|
|
|
|
|
|
|
|
lastTry = now
|
|
|
|
retries++
|
|
|
|
// We reset the retries after a while and restart
|
|
|
|
if retries > bootnodesMaxRetries {
|
|
|
|
retries = 0
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
// If we go online, trigger immediately
|
|
|
|
case <-w.connectionChanged:
|
|
|
|
now := time.Now().UnixNano() / int64(time.Millisecond)
|
|
|
|
backoff := bootnodesQueryBackoffMs * int64(math.Exp2(float64(retries)))
|
|
|
|
// check we haven't run too eagerly, in case connection
|
|
|
|
// is flapping
|
|
|
|
if lastTry+backoff < now {
|
|
|
|
err := w.restartDiscV5()
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Warn("failed to restart discv5", zap.Error(err))
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
retries = 0
|
|
|
|
lastTry = now
|
|
|
|
|
|
|
|
case <-w.quit:
|
|
|
|
return
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Restart discv5, re-retrieving bootstrap nodes
|
|
|
|
func (w *Waku) restartDiscV5() error {
|
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
|
|
|
|
defer cancel()
|
|
|
|
bootnodes, err := w.getDiscV5BootstrapNodes(ctx, w.discV5BootstrapNodes)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
if len(bootnodes) == 0 {
|
|
|
|
return errors.New("failed to fetch bootnodes")
|
|
|
|
}
|
|
|
|
|
|
|
|
w.logger.Info("restarting discv5 with nodes", zap.Any("nodes", bootnodes))
|
|
|
|
return w.node.SetDiscV5Bootnodes(bootnodes)
|
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
func (w *Waku) AddStorePeer(address string) (peer.ID, error) {
|
2021-10-06 16:08:54 +00:00
|
|
|
addr, err := multiaddr.NewMultiaddr(address)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
peerID, err := w.node.AddPeer(addr, store.StoreID_v20beta4)
|
2021-09-10 17:06:06 +00:00
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
2023-02-22 21:58:17 +00:00
|
|
|
return peerID, nil
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
|
2022-12-06 15:24:01 +00:00
|
|
|
func (w *Waku) timestamp() int64 {
|
|
|
|
if w.timesource != nil {
|
|
|
|
return w.timesource.Now().UnixNano()
|
|
|
|
}
|
|
|
|
return utils.GetUnixEpoch()
|
|
|
|
}
|
|
|
|
|
2022-11-29 12:16:01 +00:00
|
|
|
func (w *Waku) autoRelayPeerSource(ctx context.Context, numPeers int) <-chan peer.AddrInfo {
|
|
|
|
|
|
|
|
w.logger.Debug("auto-relay asking for peers", zap.Int("num-peers", numPeers))
|
|
|
|
|
|
|
|
output := make(chan peer.AddrInfo, numPeers)
|
|
|
|
go func() {
|
|
|
|
peers, err := w.node.Peers()
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("failed to fetch peers", zap.Error(err))
|
|
|
|
close(output)
|
|
|
|
}
|
|
|
|
|
|
|
|
// Shuffle peers
|
|
|
|
rand.Seed(time.Now().UnixNano())
|
|
|
|
rand.Shuffle(len(peers), func(i, j int) { peers[i], peers[j] = peers[j], peers[i] })
|
|
|
|
|
|
|
|
for _, p := range peers {
|
|
|
|
info := w.node.Host().Peerstore().PeerInfo(p.ID)
|
|
|
|
|
|
|
|
supportedProtocols, err := w.node.Host().Peerstore().SupportsProtocols(p.ID, proto.ProtoIDv2Hop)
|
|
|
|
if err != nil {
|
|
|
|
w.logger.Error("could not check supported protocols", zap.Error(err))
|
|
|
|
}
|
|
|
|
|
|
|
|
if len(supportedProtocols) == 0 {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
|
|
|
|
select {
|
|
|
|
case <-ctx.Done():
|
|
|
|
w.logger.Debug("context done, auto-relay has enough peers")
|
|
|
|
close(output)
|
|
|
|
|
|
|
|
case output <- info:
|
|
|
|
w.logger.Debug("published auto-relay peer info", zap.Any("peer-id", p.ID))
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
close(output)
|
|
|
|
}()
|
|
|
|
return output
|
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
func (w *Waku) AddRelayPeer(address string) (peer.ID, error) {
|
2021-10-06 16:08:54 +00:00
|
|
|
addr, err := multiaddr.NewMultiaddr(address)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
2023-02-22 21:58:17 +00:00
|
|
|
peerID, err := w.node.AddPeer(addr, relay.WakuRelayID_v200)
|
2021-09-10 17:06:06 +00:00
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
2023-02-22 21:58:17 +00:00
|
|
|
return peerID, nil
|
2021-09-10 17:06:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) DialPeer(address string) error {
|
2021-09-30 23:17:17 +00:00
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
|
|
|
|
defer cancel()
|
|
|
|
return w.node.DialPeer(ctx, address)
|
2021-09-10 17:06:06 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) DialPeerByID(peerID string) error {
|
2021-09-30 23:17:17 +00:00
|
|
|
ctx, cancel := context.WithTimeout(context.Background(), requestTimeout)
|
|
|
|
defer cancel()
|
2023-01-14 13:49:20 +00:00
|
|
|
pid, err := peer.Decode(peerID)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return w.node.DialPeerByID(ctx, pid)
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) DropPeer(peerID string) error {
|
2023-01-14 13:49:20 +00:00
|
|
|
pid, err := peer.Decode(peerID)
|
|
|
|
if err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return w.node.ClosePeerById(pid)
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
|
2021-12-01 15:15:18 +00:00
|
|
|
func (w *Waku) ProcessingP2PMessages() bool {
|
|
|
|
w.storeMsgIDsMu.Lock()
|
|
|
|
defer w.storeMsgIDsMu.Unlock()
|
|
|
|
return len(w.storeMsgIDs) != 0
|
|
|
|
}
|
|
|
|
|
|
|
|
func (w *Waku) MarkP2PMessageAsProcessed(hash gethcommon.Hash) {
|
|
|
|
w.storeMsgIDsMu.Lock()
|
|
|
|
defer w.storeMsgIDsMu.Unlock()
|
|
|
|
delete(w.storeMsgIDs, hash)
|
|
|
|
}
|
|
|
|
|
2021-06-16 20:19:45 +00:00
|
|
|
// validatePrivateKey checks the format of the given private key.
|
|
|
|
func validatePrivateKey(k *ecdsa.PrivateKey) bool {
|
|
|
|
if k == nil || k.D == nil || k.D.Sign() == 0 {
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
return common.ValidatePublicKey(&k.PublicKey)
|
|
|
|
}
|
|
|
|
|
|
|
|
// makeDeterministicID generates a deterministic ID, based on a given input
|
|
|
|
func makeDeterministicID(input string, keyLen int) (id string, err error) {
|
|
|
|
buf := pbkdf2.Key([]byte(input), nil, 4096, keyLen, sha256.New)
|
|
|
|
if !common.ValidateDataIntegrity(buf, common.KeyIDSize) {
|
|
|
|
return "", fmt.Errorf("error in GenerateDeterministicID: failed to generate key")
|
|
|
|
}
|
|
|
|
id = gethcommon.Bytes2Hex(buf)
|
|
|
|
return id, err
|
|
|
|
}
|
|
|
|
|
|
|
|
// toDeterministicID reviews incoming id, and transforms it to format
|
|
|
|
// expected internally be private key store. Originally, public keys
|
|
|
|
// were used as keys, now random keys are being used. And in order to
|
|
|
|
// make it easier to consume, we now allow both random IDs and public
|
|
|
|
// keys to be passed.
|
|
|
|
func toDeterministicID(id string, expectedLen int) (string, error) {
|
|
|
|
if len(id) != (expectedLen * 2) { // we received hex key, so number of chars in id is doubled
|
|
|
|
var err error
|
|
|
|
id, err = makeDeterministicID(id, expectedLen)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return id, nil
|
|
|
|
}
|
2021-08-30 14:57:28 +00:00
|
|
|
|
2022-11-24 15:00:44 +00:00
|
|
|
func FormatPeerStats(wakuNode *node.WakuNode, peers node.PeerStats) map[string]types.WakuV2Peer {
|
|
|
|
p := make(map[string]types.WakuV2Peer)
|
2021-08-30 14:57:28 +00:00
|
|
|
for k, v := range peers {
|
2022-11-24 15:00:44 +00:00
|
|
|
peerInfo := wakuNode.Host().Peerstore().PeerInfo(k)
|
|
|
|
wakuV2Peer := types.WakuV2Peer{}
|
|
|
|
wakuV2Peer.Protocols = v
|
|
|
|
hostInfo, _ := multiaddr.NewMultiaddr(fmt.Sprintf("/p2p/%s", k.Pretty()))
|
|
|
|
for _, addr := range peerInfo.Addrs {
|
|
|
|
wakuV2Peer.Addresses = append(wakuV2Peer.Addresses, addr.Encapsulate(hostInfo).String())
|
|
|
|
}
|
|
|
|
p[k.Pretty()] = wakuV2Peer
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
return p
|
|
|
|
}
|
|
|
|
|
2022-11-24 15:00:44 +00:00
|
|
|
func formatConnStatus(wakuNode *node.WakuNode, c node.ConnStatus) types.ConnStatus {
|
2022-01-12 16:02:01 +00:00
|
|
|
return types.ConnStatus{
|
2021-08-30 14:57:28 +00:00
|
|
|
IsOnline: c.IsOnline,
|
|
|
|
HasHistory: c.HasHistory,
|
2022-11-24 15:00:44 +00:00
|
|
|
Peers: FormatPeerStats(wakuNode, c.Peers),
|
2021-08-30 14:57:28 +00:00
|
|
|
}
|
|
|
|
}
|