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# Changelog
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@ -0,0 +1,205 @@
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||||||
|
go-waku is licensed under the Apache License version 2
|
||||||
|
Copyright (c) 2018 Status Research & Development GmbH
|
||||||
|
-----------------------------------------------------
|
||||||
|
|
||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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1. Definitions.
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"License" shall mean the terms and conditions for use, reproduction,
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"Legal Entity" shall mean the union of the acting entity and all
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8. Limitation of Liability. In no event and under no legal theory,
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9. Accepting Warranty or Additional Liability. While redistributing
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END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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|
||||||
|
Copyright 2018 Status Research & Development GmbH
|
||||||
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|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
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You may obtain a copy of the License at
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||||||
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|
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http://www.apache.org/licenses/LICENSE-2.0
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||||||
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Unless required by applicable law or agreed to in writing, software
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||||||
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
|
@ -0,0 +1,25 @@
|
||||||
|
go-waku is licensed under the MIT License
|
||||||
|
Copyright (c) 2018 Status Research & Development GmbH
|
||||||
|
-----------------------------------------------------
|
||||||
|
|
||||||
|
The MIT License (MIT)
|
||||||
|
|
||||||
|
Copyright (c) 2018 Status Research & Development GmbH
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||||
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of this software and associated documentation files (the "Software"), to deal
|
||||||
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in the Software without restriction, including without limitation the rights
|
||||||
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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copies of the Software, and to permit persons to whom the Software is
|
||||||
|
furnished to do so, subject to the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be included in all
|
||||||
|
copies or substantial portions of the Software.
|
||||||
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|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||||
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||||
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||||
|
SOFTWARE.
|
|
@ -0,0 +1,13 @@
|
||||||
|
module github.com/status-im/go-waku
|
||||||
|
|
||||||
|
go 1.15
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/ethereum/go-ethereum v1.10.1
|
||||||
|
github.com/ipfs/go-log/v2 v2.1.1
|
||||||
|
github.com/libp2p/go-libp2p v0.13.0
|
||||||
|
github.com/libp2p/go-libp2p-core v0.8.5
|
||||||
|
github.com/multiformats/go-multiaddr v0.3.1
|
||||||
|
github.com/multiformats/go-multiaddr-net v0.2.0
|
||||||
|
google.golang.org/protobuf v1.25.0
|
||||||
|
)
|
|
@ -0,0 +1,38 @@
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|
package main
|
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|
|
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|
import (
|
||||||
|
"crypto/rand"
|
||||||
|
"fmt"
|
||||||
|
"io"
|
||||||
|
"net"
|
||||||
|
|
||||||
|
golog "github.com/ipfs/go-log/v2"
|
||||||
|
"github.com/libp2p/go-libp2p-core/crypto"
|
||||||
|
"github.com/status-im/go-waku/waku/v2/node"
|
||||||
|
//node "waku/v2/node"
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
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||||||
|
golog.SetAllLoggers(golog.LevelInfo) // Change to INFO for extra info
|
||||||
|
|
||||||
|
hostAddr, _ := net.ResolveTCPAddr("tcp", "127.0.0.1:5555")
|
||||||
|
extAddr, _ := net.ResolveTCPAddr("tcp", "0.0.0.0:5555")
|
||||||
|
|
||||||
|
var r io.Reader
|
||||||
|
r = rand.Reader
|
||||||
|
prvKey, _, err := crypto.GenerateKeyPairWithReader(crypto.ECDSA, -1, r)
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
wakuNode, err := node.New(prvKey, hostAddr, extAddr)
|
||||||
|
|
||||||
|
if err != nil {
|
||||||
|
fmt.Print(err)
|
||||||
|
}
|
||||||
|
|
||||||
|
_ = wakuNode // TODO: Just to shut up the compiler. Do a proper test case and remove this
|
||||||
|
|
||||||
|
select {} // Run forever
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||||||
|
|
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|
}
|
|
@ -0,0 +1,46 @@
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|
package node
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|
|
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|
import (
|
||||||
|
"github.com/libp2p/go-libp2p-core/host"
|
||||||
|
"github.com/libp2p/go-libp2p-core/peerstore"
|
||||||
|
)
|
||||||
|
|
||||||
|
type Connectedness string
|
||||||
|
|
||||||
|
const (
|
||||||
|
// NotConnected: default state for a new peer. No connection and no further information on connectedness.
|
||||||
|
NotConnected Connectedness = "NotConnected"
|
||||||
|
// CannotConnect: attempted to connect to peer, but failed.
|
||||||
|
CannotConnect Connectedness = "CannotConnect"
|
||||||
|
// CanConnect: was recently connected to peer and disconnected gracefully.
|
||||||
|
CanConnect Connectedness = "CanConnect"
|
||||||
|
// Connected: actively connected to peer.
|
||||||
|
Connected Connectedness = "Connected"
|
||||||
|
)
|
||||||
|
|
||||||
|
/*
|
||||||
|
type
|
||||||
|
ConnectionBook* = object of PeerBook[Connectedness]
|
||||||
|
*/
|
||||||
|
|
||||||
|
type WakuPeerStore struct {
|
||||||
|
connectionBook peerstore.Peerstore
|
||||||
|
}
|
||||||
|
|
||||||
|
type PeerManager struct {
|
||||||
|
sw host.Host
|
||||||
|
peerStore *WakuPeerStore
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewWakuPeerStore() *WakuPeerStore {
|
||||||
|
p := new(WakuPeerStore)
|
||||||
|
return p
|
||||||
|
}
|
||||||
|
|
||||||
|
func NewPeerManager(sw host.Host) *PeerManager {
|
||||||
|
peerStore := NewWakuPeerStore()
|
||||||
|
p := new(PeerManager)
|
||||||
|
p.sw = sw
|
||||||
|
p.peerStore = peerStore
|
||||||
|
return p
|
||||||
|
}
|
|
@ -0,0 +1,215 @@
|
||||||
|
package node
|
||||||
|
|
||||||
|
import (
|
||||||
|
"crypto/aes"
|
||||||
|
"crypto/cipher"
|
||||||
|
"crypto/ecdsa"
|
||||||
|
crand "crypto/rand"
|
||||||
|
mrand "math/rand"
|
||||||
|
|
||||||
|
"errors"
|
||||||
|
"strconv"
|
||||||
|
|
||||||
|
"github.com/ethereum/go-ethereum/crypto/ecies"
|
||||||
|
"github.com/status-im/go-waku/waku/v2/protocol"
|
||||||
|
)
|
||||||
|
|
||||||
|
type KeyKind string
|
||||||
|
|
||||||
|
const (
|
||||||
|
Symmetric KeyKind = "Symmetric"
|
||||||
|
Asymmetric KeyKind = "Asymmetric"
|
||||||
|
None KeyKind = "None"
|
||||||
|
)
|
||||||
|
|
||||||
|
type KeyInfo struct {
|
||||||
|
kind KeyKind
|
||||||
|
symKey []byte
|
||||||
|
privKey ecdsa.PrivateKey
|
||||||
|
}
|
||||||
|
|
||||||
|
// NOTICE: Extracted from status-go
|
||||||
|
|
||||||
|
const aesNonceLength = 12
|
||||||
|
const aesKeyLength = 32
|
||||||
|
|
||||||
|
// Decrypts a message with a topic key, using AES-GCM-256.
|
||||||
|
// nonce size should be 12 bytes (see cipher.gcmStandardNonceSize).
|
||||||
|
func decryptSymmetric(payload []byte, key []byte) ([]byte, error) {
|
||||||
|
// symmetric messages are expected to contain the 12-byte nonce at the end of the payload
|
||||||
|
if len(payload) < aesNonceLength {
|
||||||
|
return nil, errors.New("missing salt or invalid payload in symmetric message")
|
||||||
|
}
|
||||||
|
|
||||||
|
salt := payload[len(payload)-aesNonceLength:]
|
||||||
|
|
||||||
|
block, err := aes.NewCipher(key)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
aesgcm, err := cipher.NewGCM(block)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
decrypted, err := aesgcm.Open(nil, salt, payload[:len(payload)-aesNonceLength], nil)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
return decrypted, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// Decrypts an encrypted payload with a private key.
|
||||||
|
func decryptAsymmetric(payload []byte, key *ecdsa.PrivateKey) ([]byte, error) {
|
||||||
|
decrypted, err := ecies.ImportECDSA(key).Decrypt(payload, nil, nil)
|
||||||
|
if err == nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
return decrypted, err
|
||||||
|
}
|
||||||
|
|
||||||
|
func decodePayload(message *protocol.WakuMessage, keyInfo *KeyInfo) ([]byte, error) {
|
||||||
|
switch *message.Version {
|
||||||
|
case uint32(0):
|
||||||
|
return message.Payload, nil
|
||||||
|
case uint32(1):
|
||||||
|
switch keyInfo.kind {
|
||||||
|
case Symmetric:
|
||||||
|
decoded, err := decryptSymmetric(message.Payload, keyInfo.symKey)
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.New("Couldn't decrypt using symmetric key")
|
||||||
|
} else {
|
||||||
|
return decoded, nil
|
||||||
|
}
|
||||||
|
case Asymmetric:
|
||||||
|
decoded, err := decryptAsymmetric(message.Payload, &keyInfo.privKey)
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.New("Couldn't decrypt using asymmetric key")
|
||||||
|
} else {
|
||||||
|
return decoded, nil
|
||||||
|
}
|
||||||
|
case None:
|
||||||
|
return nil, errors.New("Non supported KeyKind")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return nil, errors.New("Unsupported WakuMessage version")
|
||||||
|
}
|
||||||
|
|
||||||
|
// ValidatePublicKey checks the format of the given public key.
|
||||||
|
func ValidatePublicKey(k *ecdsa.PublicKey) bool {
|
||||||
|
return k != nil && k.X != nil && k.Y != nil && k.X.Sign() != 0 && k.Y.Sign() != 0
|
||||||
|
}
|
||||||
|
|
||||||
|
// Encrypts and returns with a public key.
|
||||||
|
func encryptAsymmetric(rawPayload []byte, key *ecdsa.PublicKey) ([]byte, error) {
|
||||||
|
if !ValidatePublicKey(key) {
|
||||||
|
return nil, errors.New("invalid public key provided for asymmetric encryption")
|
||||||
|
}
|
||||||
|
encrypted, err := ecies.Encrypt(crand.Reader, ecies.ImportECDSAPublic(key), rawPayload, nil, nil)
|
||||||
|
if err == nil {
|
||||||
|
return encrypted, nil
|
||||||
|
}
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
// Encrypts a payload with a topic key, using AES-GCM-256.
|
||||||
|
// nonce size should be 12 bytes (see cipher.gcmStandardNonceSize).
|
||||||
|
func encryptSymmetric(rawPayload []byte, key []byte) ([]byte, error) {
|
||||||
|
if !validateDataIntegrity(key, aesKeyLength) {
|
||||||
|
return nil, errors.New("invalid key provided for symmetric encryption, size: " + strconv.Itoa(len(key)))
|
||||||
|
}
|
||||||
|
block, err := aes.NewCipher(key)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
aesgcm, err := cipher.NewGCM(block)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
salt, err := generateSecureRandomData(aesNonceLength) // never use more than 2^32 random nonces with a given key
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
encrypted := aesgcm.Seal(nil, salt, rawPayload, nil)
|
||||||
|
return append(encrypted, salt...), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
// validateDataIntegrity returns false if the data have the wrong or contains all zeros,
|
||||||
|
// which is the simplest and the most common bug.
|
||||||
|
func validateDataIntegrity(k []byte, expectedSize int) bool {
|
||||||
|
if len(k) != expectedSize {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
if expectedSize > 3 && containsOnlyZeros(k) {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
||||||
|
// containsOnlyZeros checks if the data contain only zeros.
|
||||||
|
func containsOnlyZeros(data []byte) bool {
|
||||||
|
for _, b := range data {
|
||||||
|
if b != 0 {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
|
||||||
|
// generateSecureRandomData generates random data where extra security is required.
|
||||||
|
// The purpose of this function is to prevent some bugs in software or in hardware
|
||||||
|
// from delivering not-very-random data. This is especially useful for AES nonce,
|
||||||
|
// where true randomness does not really matter, but it is very important to have
|
||||||
|
// a unique nonce for every message.
|
||||||
|
func generateSecureRandomData(length int) ([]byte, error) {
|
||||||
|
x := make([]byte, length)
|
||||||
|
y := make([]byte, length)
|
||||||
|
res := make([]byte, length)
|
||||||
|
|
||||||
|
_, err := crand.Read(x)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
} else if !validateDataIntegrity(x, length) {
|
||||||
|
return nil, errors.New("crypto/rand failed to generate secure random data")
|
||||||
|
}
|
||||||
|
_, err = mrand.Read(y)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
} else if !validateDataIntegrity(y, length) {
|
||||||
|
return nil, errors.New("math/rand failed to generate secure random data")
|
||||||
|
}
|
||||||
|
for i := 0; i < length; i++ {
|
||||||
|
res[i] = x[i] ^ y[i]
|
||||||
|
}
|
||||||
|
if !validateDataIntegrity(res, length) {
|
||||||
|
return nil, errors.New("failed to generate secure random data")
|
||||||
|
}
|
||||||
|
return res, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func encode(rawPayload []byte, keyInfo *KeyInfo, version uint32) ([]byte, error) {
|
||||||
|
switch version {
|
||||||
|
case 0:
|
||||||
|
return rawPayload, nil
|
||||||
|
case 1:
|
||||||
|
switch keyInfo.kind {
|
||||||
|
case Symmetric:
|
||||||
|
encoded, err := encryptSymmetric(rawPayload, keyInfo.symKey)
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.New("Couldn't encrypt using symmetric key")
|
||||||
|
} else {
|
||||||
|
return encoded, nil
|
||||||
|
}
|
||||||
|
case Asymmetric:
|
||||||
|
encoded, err := encryptAsymmetric(rawPayload, &keyInfo.privKey.PublicKey)
|
||||||
|
if err != nil {
|
||||||
|
return nil, errors.New("Couldn't encrypt using asymmetric key")
|
||||||
|
} else {
|
||||||
|
return encoded, nil
|
||||||
|
}
|
||||||
|
case None:
|
||||||
|
return nil, errors.New("Non supported KeyKind")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return nil, errors.New("Unsupported WakuMessage version")
|
||||||
|
}
|
|
@ -0,0 +1,123 @@
|
||||||
|
package node
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"errors"
|
||||||
|
"fmt"
|
||||||
|
"log"
|
||||||
|
"net"
|
||||||
|
|
||||||
|
"github.com/libp2p/go-libp2p"
|
||||||
|
"github.com/libp2p/go-libp2p-core/crypto"
|
||||||
|
"github.com/libp2p/go-libp2p-core/host"
|
||||||
|
"github.com/libp2p/go-libp2p-core/peer"
|
||||||
|
ma "github.com/multiformats/go-multiaddr"
|
||||||
|
manet "github.com/multiformats/go-multiaddr-net"
|
||||||
|
|
||||||
|
"github.com/status-im/go-waku/waku/v2/protocol"
|
||||||
|
)
|
||||||
|
|
||||||
|
// Default clientId
|
||||||
|
const clientId string = "Go Waku v2 node"
|
||||||
|
|
||||||
|
// XXX: Weird type, should probably be using pubsub Topic object name?
|
||||||
|
type Topic string
|
||||||
|
|
||||||
|
type Message []byte
|
||||||
|
|
||||||
|
type WakuInfo struct {
|
||||||
|
// NOTE One for simplicity, can extend later as needed
|
||||||
|
listenStr string
|
||||||
|
multiaddrStrings []byte
|
||||||
|
}
|
||||||
|
|
||||||
|
type MessagePair struct {
|
||||||
|
a *Topic
|
||||||
|
b *protocol.WakuMessage
|
||||||
|
}
|
||||||
|
|
||||||
|
// NOTE based on Eth2Node in NBC eth2_network.nim
|
||||||
|
type WakuNode struct {
|
||||||
|
peerManager *PeerManager
|
||||||
|
sw host.Host
|
||||||
|
// wakuRelay *WakuRelay
|
||||||
|
// wakuStore *WakuStore
|
||||||
|
// wakuFilter *WakuFilter
|
||||||
|
//wakuSwap *WakuSwap
|
||||||
|
//wakuRlnRelay *WakuRLNRelay
|
||||||
|
peerInfo peer.AddrInfo
|
||||||
|
// libp2pTransportLoops []Future[void] ??
|
||||||
|
// TODO Revisit messages field indexing as well as if this should be Message or WakuMessage
|
||||||
|
messages []MessagePair
|
||||||
|
//filters *Filters
|
||||||
|
subscriptions protocol.MessageNotificationSubscriptions
|
||||||
|
// rng *BrHmacDrbgContext // ???
|
||||||
|
|
||||||
|
cancel context.CancelFunc
|
||||||
|
}
|
||||||
|
|
||||||
|
// Public API
|
||||||
|
//
|
||||||
|
|
||||||
|
func New(nodeKey crypto.PrivKey, hostAddr net.Addr, extAddr net.Addr) (*WakuNode, error) {
|
||||||
|
// Creates a Waku Node.
|
||||||
|
if hostAddr == nil {
|
||||||
|
return nil, errors.New("Host address cannot be null")
|
||||||
|
}
|
||||||
|
|
||||||
|
var multiAddresses []ma.Multiaddr
|
||||||
|
hostAddrMA, err := manet.FromNetAddr(hostAddr)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
multiAddresses = append(multiAddresses, hostAddrMA)
|
||||||
|
|
||||||
|
if extAddr != nil {
|
||||||
|
extAddrMA, err := manet.FromNetAddr(extAddr)
|
||||||
|
if err != nil {
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
multiAddresses = append(multiAddresses, extAddrMA)
|
||||||
|
}
|
||||||
|
|
||||||
|
opts := []libp2p.Option{
|
||||||
|
libp2p.ListenAddrs(multiAddresses...),
|
||||||
|
libp2p.Identity(nodeKey),
|
||||||
|
libp2p.DefaultTransports, //
|
||||||
|
libp2p.NATPortMap(), // Attempt to open ports using uPNP for NATed hosts.
|
||||||
|
libp2p.DisableRelay(), // TODO: what is this?
|
||||||
|
libp2p.EnableNATService(), // TODO: what is this?
|
||||||
|
}
|
||||||
|
|
||||||
|
// The context governs the lifetime of the libp2p node.
|
||||||
|
// Cancelling it will stop the the host.
|
||||||
|
ctx, cancel := context.WithCancel(context.Background())
|
||||||
|
|
||||||
|
host, err := libp2p.New(ctx, opts...)
|
||||||
|
if err != nil {
|
||||||
|
cancel()
|
||||||
|
return nil, err
|
||||||
|
}
|
||||||
|
|
||||||
|
w := new(WakuNode)
|
||||||
|
w.peerManager = NewPeerManager(host)
|
||||||
|
w.sw = host
|
||||||
|
w.cancel = cancel
|
||||||
|
// w.filters = new(Filters)
|
||||||
|
|
||||||
|
hostInfo, _ := ma.NewMultiaddr(fmt.Sprintf("/p2p/%s", host.ID().Pretty()))
|
||||||
|
for _, addr := range host.Addrs() {
|
||||||
|
fullAddr := addr.Encapsulate(hostInfo)
|
||||||
|
log.Printf("Listening on %s\n", fullAddr)
|
||||||
|
}
|
||||||
|
|
||||||
|
return w, nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (node *WakuNode) Stop() {
|
||||||
|
// TODO:
|
||||||
|
//if not node.wakuRelay.isNil:
|
||||||
|
// await node.wakuRelay.stop()
|
||||||
|
|
||||||
|
node.cancel()
|
||||||
|
}
|
|
@ -0,0 +1,3 @@
|
||||||
|
# Waku v2 protocol
|
||||||
|
|
||||||
|
This folder contains implementations of [Waku v2 protocols](https://specs.vac.dev/specs/waku/v2/waku-v2.html).
|
|
@ -0,0 +1,72 @@
|
||||||
|
// The Message Notification system is a method to notify various protocols
|
||||||
|
// running on a node when a new message was received.
|
||||||
|
//
|
||||||
|
// Protocols can subscribe to messages of specific topics, then when one is received
|
||||||
|
// The notification handler function will be called.
|
||||||
|
|
||||||
|
package protocol
|
||||||
|
|
||||||
|
import (
|
||||||
|
"sync"
|
||||||
|
)
|
||||||
|
|
||||||
|
type MessageNotificationHandler func(topic string, msg *WakuMessage)
|
||||||
|
|
||||||
|
type MessageNotificationSubscriptionIdentifier string
|
||||||
|
|
||||||
|
type MessageNotificationSubscription struct {
|
||||||
|
topics []string // @TODO TOPIC (?)
|
||||||
|
handler MessageNotificationHandler
|
||||||
|
}
|
||||||
|
|
||||||
|
type MessageNotificationSubscriptions map[string]MessageNotificationSubscription
|
||||||
|
|
||||||
|
func (subscriptions MessageNotificationSubscriptions) subscribe(name string, subscription MessageNotificationSubscription) {
|
||||||
|
subscriptions[name] = subscription
|
||||||
|
}
|
||||||
|
|
||||||
|
func Init(topics []string, handler MessageNotificationHandler) MessageNotificationSubscription {
|
||||||
|
result := MessageNotificationSubscription{}
|
||||||
|
result.topics = topics
|
||||||
|
result.handler = handler
|
||||||
|
return result
|
||||||
|
}
|
||||||
|
|
||||||
|
func containsMatch(lhs []string, rhs []string) bool {
|
||||||
|
for _, l := range lhs {
|
||||||
|
for _, r := range rhs {
|
||||||
|
if l == r {
|
||||||
|
return true
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
|
||||||
|
func (subscriptions MessageNotificationSubscriptions) notify(topic string, msg *WakuMessage) {
|
||||||
|
var wg sync.WaitGroup
|
||||||
|
|
||||||
|
for _, subscription := range subscriptions {
|
||||||
|
// @TODO WILL NEED TO CHECK SUBTOPICS IN FUTURE FOR WAKU TOPICS NOT LIBP2P ONES
|
||||||
|
|
||||||
|
found := false
|
||||||
|
for _, subscriptionTopic := range subscription.topics {
|
||||||
|
if subscriptionTopic == topic {
|
||||||
|
found = true
|
||||||
|
break
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if !found {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
|
||||||
|
wg.Add(1)
|
||||||
|
go func(subs MessageNotificationSubscription) {
|
||||||
|
subs.handler(topic, msg)
|
||||||
|
wg.Done()
|
||||||
|
}(subscription)
|
||||||
|
}
|
||||||
|
|
||||||
|
wg.Wait()
|
||||||
|
}
|
|
@ -0,0 +1,3 @@
|
||||||
|
# Waku Filter protocol
|
||||||
|
|
||||||
|
The filter protocol implements bandwidth preserving filtering for light nodes. See https://github.com/vacp2p/specs/blob/master/specs/waku/v2/waku-store.md for more information.
|
|
@ -0,0 +1,166 @@
|
||||||
|
// Code generated by protoc-gen-go. DO NOT EDIT.
|
||||||
|
// versions:
|
||||||
|
// protoc-gen-go v1.25.0-devel
|
||||||
|
// protoc v3.14.0
|
||||||
|
// source: waku_message.proto
|
||||||
|
|
||||||
|
package protocol
|
||||||
|
|
||||||
|
import (
|
||||||
|
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
|
||||||
|
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
|
||||||
|
reflect "reflect"
|
||||||
|
sync "sync"
|
||||||
|
)
|
||||||
|
|
||||||
|
const (
|
||||||
|
// Verify that this generated code is sufficiently up-to-date.
|
||||||
|
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
|
||||||
|
// Verify that runtime/protoimpl is sufficiently up-to-date.
|
||||||
|
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
|
||||||
|
)
|
||||||
|
|
||||||
|
type WakuMessage struct {
|
||||||
|
state protoimpl.MessageState
|
||||||
|
sizeCache protoimpl.SizeCache
|
||||||
|
unknownFields protoimpl.UnknownFields
|
||||||
|
|
||||||
|
Payload []byte `protobuf:"bytes,1,opt,name=payload,proto3,oneof" json:"payload,omitempty"`
|
||||||
|
ContentTopic *uint32 `protobuf:"fixed32,2,opt,name=contentTopic,proto3,oneof" json:"contentTopic,omitempty"`
|
||||||
|
Version *uint32 `protobuf:"varint,3,opt,name=version,proto3,oneof" json:"version,omitempty"`
|
||||||
|
}
|
||||||
|
|
||||||
|
func (x *WakuMessage) Reset() {
|
||||||
|
*x = WakuMessage{}
|
||||||
|
if protoimpl.UnsafeEnabled {
|
||||||
|
mi := &file_waku_message_proto_msgTypes[0]
|
||||||
|
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||||
|
ms.StoreMessageInfo(mi)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (x *WakuMessage) String() string {
|
||||||
|
return protoimpl.X.MessageStringOf(x)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (*WakuMessage) ProtoMessage() {}
|
||||||
|
|
||||||
|
func (x *WakuMessage) ProtoReflect() protoreflect.Message {
|
||||||
|
mi := &file_waku_message_proto_msgTypes[0]
|
||||||
|
if protoimpl.UnsafeEnabled && x != nil {
|
||||||
|
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
|
||||||
|
if ms.LoadMessageInfo() == nil {
|
||||||
|
ms.StoreMessageInfo(mi)
|
||||||
|
}
|
||||||
|
return ms
|
||||||
|
}
|
||||||
|
return mi.MessageOf(x)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Deprecated: Use WakuMessage.ProtoReflect.Descriptor instead.
|
||||||
|
func (*WakuMessage) Descriptor() ([]byte, []int) {
|
||||||
|
return file_waku_message_proto_rawDescGZIP(), []int{0}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (x *WakuMessage) GetPayload() []byte {
|
||||||
|
if x != nil {
|
||||||
|
return x.Payload
|
||||||
|
}
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (x *WakuMessage) GetContentTopic() uint32 {
|
||||||
|
if x != nil && x.ContentTopic != nil {
|
||||||
|
return *x.ContentTopic
|
||||||
|
}
|
||||||
|
return 0
|
||||||
|
}
|
||||||
|
|
||||||
|
func (x *WakuMessage) GetVersion() uint32 {
|
||||||
|
if x != nil && x.Version != nil {
|
||||||
|
return *x.Version
|
||||||
|
}
|
||||||
|
return 0
|
||||||
|
}
|
||||||
|
|
||||||
|
var File_waku_message_proto protoreflect.FileDescriptor
|
||||||
|
|
||||||
|
var file_waku_message_proto_rawDesc = []byte{
|
||||||
|
0x0a, 0x12, 0x77, 0x61, 0x6b, 0x75, 0x5f, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x2e, 0x70,
|
||||||
|
0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63, 0x6f, 0x6c, 0x22, 0x9d,
|
||||||
|
0x01, 0x0a, 0x0b, 0x57, 0x61, 0x6b, 0x75, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x1d,
|
||||||
|
0x0a, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x48,
|
||||||
|
0x00, 0x52, 0x07, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61, 0x64, 0x88, 0x01, 0x01, 0x12, 0x27, 0x0a,
|
||||||
|
0x0c, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x6f, 0x70, 0x69, 0x63, 0x18, 0x02, 0x20,
|
||||||
|
0x01, 0x28, 0x07, 0x48, 0x01, 0x52, 0x0c, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x6f,
|
||||||
|
0x70, 0x69, 0x63, 0x88, 0x01, 0x01, 0x12, 0x1d, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f,
|
||||||
|
0x6e, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x48, 0x02, 0x52, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69,
|
||||||
|
0x6f, 0x6e, 0x88, 0x01, 0x01, 0x42, 0x0a, 0x0a, 0x08, 0x5f, 0x70, 0x61, 0x79, 0x6c, 0x6f, 0x61,
|
||||||
|
0x64, 0x42, 0x0f, 0x0a, 0x0d, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x54, 0x6f, 0x70,
|
||||||
|
0x69, 0x63, 0x42, 0x0a, 0x0a, 0x08, 0x5f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x62, 0x06,
|
||||||
|
0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||||
|
}
|
||||||
|
|
||||||
|
var (
|
||||||
|
file_waku_message_proto_rawDescOnce sync.Once
|
||||||
|
file_waku_message_proto_rawDescData = file_waku_message_proto_rawDesc
|
||||||
|
)
|
||||||
|
|
||||||
|
func file_waku_message_proto_rawDescGZIP() []byte {
|
||||||
|
file_waku_message_proto_rawDescOnce.Do(func() {
|
||||||
|
file_waku_message_proto_rawDescData = protoimpl.X.CompressGZIP(file_waku_message_proto_rawDescData)
|
||||||
|
})
|
||||||
|
return file_waku_message_proto_rawDescData
|
||||||
|
}
|
||||||
|
|
||||||
|
var file_waku_message_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
|
||||||
|
var file_waku_message_proto_goTypes = []interface{}{
|
||||||
|
(*WakuMessage)(nil), // 0: protocol.WakuMessage
|
||||||
|
}
|
||||||
|
var file_waku_message_proto_depIdxs = []int32{
|
||||||
|
0, // [0:0] is the sub-list for method output_type
|
||||||
|
0, // [0:0] is the sub-list for method input_type
|
||||||
|
0, // [0:0] is the sub-list for extension type_name
|
||||||
|
0, // [0:0] is the sub-list for extension extendee
|
||||||
|
0, // [0:0] is the sub-list for field type_name
|
||||||
|
}
|
||||||
|
|
||||||
|
func init() { file_waku_message_proto_init() }
|
||||||
|
func file_waku_message_proto_init() {
|
||||||
|
if File_waku_message_proto != nil {
|
||||||
|
return
|
||||||
|
}
|
||||||
|
if !protoimpl.UnsafeEnabled {
|
||||||
|
file_waku_message_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
|
||||||
|
switch v := v.(*WakuMessage); i {
|
||||||
|
case 0:
|
||||||
|
return &v.state
|
||||||
|
case 1:
|
||||||
|
return &v.sizeCache
|
||||||
|
case 2:
|
||||||
|
return &v.unknownFields
|
||||||
|
default:
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
file_waku_message_proto_msgTypes[0].OneofWrappers = []interface{}{}
|
||||||
|
type x struct{}
|
||||||
|
out := protoimpl.TypeBuilder{
|
||||||
|
File: protoimpl.DescBuilder{
|
||||||
|
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
|
||||||
|
RawDescriptor: file_waku_message_proto_rawDesc,
|
||||||
|
NumEnums: 0,
|
||||||
|
NumMessages: 1,
|
||||||
|
NumExtensions: 0,
|
||||||
|
NumServices: 0,
|
||||||
|
},
|
||||||
|
GoTypes: file_waku_message_proto_goTypes,
|
||||||
|
DependencyIndexes: file_waku_message_proto_depIdxs,
|
||||||
|
MessageInfos: file_waku_message_proto_msgTypes,
|
||||||
|
}.Build()
|
||||||
|
File_waku_message_proto = out.File
|
||||||
|
file_waku_message_proto_rawDesc = nil
|
||||||
|
file_waku_message_proto_goTypes = nil
|
||||||
|
file_waku_message_proto_depIdxs = nil
|
||||||
|
}
|
|
@ -0,0 +1,9 @@
|
||||||
|
syntax = "proto3";
|
||||||
|
|
||||||
|
package protocol;
|
||||||
|
|
||||||
|
message WakuMessage {
|
||||||
|
optional bytes payload = 1;
|
||||||
|
optional fixed32 contentTopic = 2;
|
||||||
|
optional uint32 version = 3;
|
||||||
|
}
|
|
@ -0,0 +1,3 @@
|
||||||
|
# Waku Store protocol
|
||||||
|
|
||||||
|
The store protocol implements historical message support. See https://github.com/vacp2p/specs/blob/master/specs/waku/v2/waku-store.md for more information.
|
|
@ -0,0 +1 @@
|
||||||
|
package waku
|
Loading…
Reference in New Issue