nwaku/waku/v2/node/wakunode2.nim

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import
std/[options, tables, strutils, sequtils],
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chronos, chronicles, metrics, stew/shims/net as stewNet,
# TODO: Why do we need eth keys?
eth/keys,
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libp2p/multiaddress,
libp2p/crypto/crypto,
libp2p/protocols/protocol,
# NOTE For TopicHandler, solve with exports?
libp2p/protocols/pubsub/pubsub,
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libp2p/peerinfo,
libp2p/standard_setup,
../protocol/[waku_relay, message_notifier],
../protocol/waku_store/waku_store,
../protocol/waku_swap/waku_swap,
../protocol/waku_filter/waku_filter,
../utils/peers,
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./message_store/message_store,
../utils/requests
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declarePublicCounter waku_node_messages, "number of messages received", ["type"]
declarePublicGauge waku_node_filters, "number of content filter subscriptions"
declarePublicGauge waku_node_errors, "number of wakunode errors", ["type"]
logScope:
topics = "wakunode"
# Default clientId
const clientId* = "Nimbus Waku v2 node"
# key and crypto modules different
type
KeyPair* = crypto.KeyPair
PublicKey* = crypto.PublicKey
PrivateKey* = crypto.PrivateKey
# XXX: Weird type, should probably be using pubsub Topic object name?
Topic* = string
Message* = seq[byte]
WakuInfo* = object
# NOTE One for simplicity, can extend later as needed
listenStr*: string
#multiaddrStrings*: seq[string]
# NOTE based on Eth2Node in NBC eth2_network.nim
WakuNode* = ref object of RootObj
switch*: Switch
wakuRelay*: WakuRelay
wakuStore*: WakuStore
wakuFilter*: WakuFilter
wakuSwap*: WakuSwap
peerInfo*: PeerInfo
libp2pTransportLoops*: seq[Future[void]]
# TODO Revist messages field indexing as well as if this should be Message or WakuMessage
messages*: seq[(Topic, WakuMessage)]
filters*: Filters
subscriptions*: MessageNotificationSubscriptions
rng*: ref BrHmacDrbgContext
# NOTE Any difference here in Waku vs Eth2?
# E.g. Devp2p/Libp2p support, etc.
#func asLibp2pKey*(key: keys.PublicKey): PublicKey =
# PublicKey(scheme: Secp256k1, skkey: secp.SkPublicKey(key))
func asEthKey*(key: PrivateKey): keys.PrivateKey =
keys.PrivateKey(key.skkey)
proc removeContentFilters(filters: var Filters, contentFilters: seq[ContentFilter]) {.gcsafe.} =
# Flatten all unsubscribe topics into single seq
var unsubscribeTopics: seq[ContentTopic]
for cf in contentFilters:
unsubscribeTopics = unsubscribeTopics.concat(cf.topics)
debug "unsubscribing", unsubscribeTopics=unsubscribeTopics
var rIdToRemove: seq[string] = @[]
for rId, f in filters.mpairs:
# Iterate filter entries to remove matching content topics
for cf in f.contentFilters.mitems:
# Iterate content filters in filter entry
cf.topics.keepIf(proc (t: auto): bool = t notin unsubscribeTopics)
# make sure we delete the content filter
# if no more topics are left
f.contentFilters.keepIf(proc (cf: auto): bool = cf.topics.len > 0)
if f.contentFilters.len == 0:
rIdToRemove.add(rId)
# make sure we delete the filter entry
# if no more content filters left
for rId in rIdToRemove:
filters.del(rId)
debug "filters modified", filters=filters
template tcpEndPoint(address, port): auto =
MultiAddress.init(address, tcpProtocol, port)
## Public API
##
proc init*(T: type WakuNode, nodeKey: crypto.PrivateKey,
bindIp: ValidIpAddress, bindPort: Port,
extIp = none[ValidIpAddress](), extPort = none[Port]()): T =
## Creates a Waku Node.
##
## Status: Implemented.
##
let
rng = crypto.newRng()
hostAddress = tcpEndPoint(bindIp, bindPort)
announcedAddresses = if extIp.isNone() or extPort.isNone(): @[]
else: @[tcpEndPoint(extIp.get(), extPort.get())]
peerInfo = PeerInfo.init(nodekey)
info "Initializing networking", hostAddress,
announcedAddresses
# XXX: Add this when we create node or start it?
peerInfo.addrs.add(hostAddress) # Index 0
for multiaddr in announcedAddresses:
peerInfo.addrs.add(multiaddr) # Announced addresses in index > 0
var switch = newStandardSwitch(some(nodekey), hostAddress,
transportFlags = {ServerFlags.ReuseAddr}, rng = rng)
# TODO Untested - verify behavior after switch interface change
# More like this:
# let pubsub = GossipSub.init(
# switch = switch,
# msgIdProvider = msgIdProvider,
# triggerSelf = true, sign = false,
# verifySignature = false).PubSub
result = WakuNode(
switch: switch,
rng: rng,
peerInfo: peerInfo,
subscriptions: newTable[string, MessageNotificationSubscription](),
filters: initTable[string, Filter]()
)
proc start*(node: WakuNode) {.async.} =
## Starts a created Waku Node.
##
## Status: Implemented.
##
node.libp2pTransportLoops = await node.switch.start()
# TODO Get this from WakuNode obj
let peerInfo = node.peerInfo
info "PeerInfo", peerId = peerInfo.peerId, addrs = peerInfo.addrs
let listenStr = $peerInfo.addrs[^1] & "/p2p/" & $peerInfo.peerId
## XXX: this should be /ip4..., / stripped?
info "Listening on", full = listenStr
proc stop*(node: WakuNode) {.async.} =
if not node.wakuRelay.isNil:
await node.wakuRelay.stop()
await node.switch.stop()
proc subscribe*(node: WakuNode, topic: Topic, handler: TopicHandler) =
## Subscribes to a PubSub topic. Triggers handler when receiving messages on
## this topic. TopicHandler is a method that takes a topic and some data.
##
## NOTE The data field SHOULD be decoded as a WakuMessage.
## Status: Implemented.
info "subscribe", topic=topic
let wakuRelay = node.wakuRelay
wakuRelay.subscribe(topic, handler)
proc subscribe*(node: WakuNode, request: FilterRequest, handler: ContentFilterHandler) {.async, gcsafe.} =
## Registers for messages that match a specific filter. Triggers the handler whenever a message is received.
## FilterHandler is a method that takes a MessagePush.
##
## Status: Implemented.
# Sanity check for well-formed subscribe FilterRequest
doAssert(request.subscribe, "invalid subscribe request")
info "subscribe content", filter=request
var id = generateRequestId(node.rng)
if node.wakuFilter.isNil == false:
# @TODO: ERROR HANDLING
id = await node.wakuFilter.subscribe(request)
node.filters[id] = Filter(contentFilters: request.contentFilters, handler: handler)
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waku_node_filters.set(node.filters.len.int64)
proc unsubscribe*(node: WakuNode, topic: Topic, handler: TopicHandler) =
## Unsubscribes a handler from a PubSub topic.
##
## Status: Implemented.
info "unsubscribe", topic=topic
let wakuRelay = node.wakuRelay
wakuRelay.unsubscribe(@[(topic, handler)])
proc unsubscribeAll*(node: WakuNode, topic: Topic) =
## Unsubscribes all handlers registered on a specific PubSub topic.
##
## Status: Implemented.
info "unsubscribeAll", topic=topic
let wakuRelay = node.wakuRelay
wakuRelay.unsubscribeAll(topic)
proc unsubscribe*(node: WakuNode, request: FilterRequest) {.async, gcsafe.} =
## Unsubscribe from a content filter.
##
## Status: Implemented.
# Sanity check for well-formed unsubscribe FilterRequest
doAssert(request.subscribe == false, "invalid unsubscribe request")
info "unsubscribe content", filter=request
await node.wakuFilter.unsubscribe(request)
node.filters.removeContentFilters(request.contentFilters)
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waku_node_filters.set(node.filters.len.int64)
proc publish*(node: WakuNode, topic: Topic, message: WakuMessage) {.async, gcsafe.} =
## Publish a `WakuMessage` to a PubSub topic. `WakuMessage` should contain a
## `contentTopic` field for light node functionality. This field may be also
## be omitted.
##
## Status: Implemented.
##
let wakuRelay = node.wakuRelay
debug "publish", topic=topic, contentTopic=message.contentTopic
let data = message.encode().buffer
discard await wakuRelay.publish(topic, data)
proc query*(node: WakuNode, query: HistoryQuery, handler: QueryHandlerFunc) {.async, gcsafe.} =
## Queries known nodes for historical messages. Triggers the handler whenever a response is received.
## QueryHandlerFunc is a method that takes a HistoryResponse.
##
## Status: Implemented.
# TODO Once waku swap is less experimental, this can simplified
if node.wakuSwap.isNil:
debug "Using default query"
await node.wakuStore.query(query, handler)
else:
debug "Using SWAPAccounting query"
# TODO wakuSwap now part of wakuStore object
await node.wakuStore.queryWithAccounting(query, handler)
# TODO Extend with more relevant info: topics, peers, memory usage, online time, etc
proc info*(node: WakuNode): WakuInfo =
## Returns information about the Node, such as what multiaddress it can be reached at.
##
## Status: Implemented.
##
# TODO Generalize this for other type of multiaddresses
let peerInfo = node.peerInfo
let listenStr = $peerInfo.addrs[^1] & "/p2p/" & $peerInfo.peerId
let wakuInfo = WakuInfo(listenStr: listenStr)
return wakuInfo
proc mountFilter*(node: WakuNode) =
info "mounting filter"
proc filterHandler(requestId: string, msg: MessagePush) {.gcsafe.} =
info "push received"
for message in msg.messages:
node.filters.notify(message, requestId)
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waku_node_messages.inc(labelValues = ["filter"])
node.wakuFilter = WakuFilter.init(node.switch, node.rng, filterHandler)
node.switch.mount(node.wakuFilter)
node.subscriptions.subscribe(WakuFilterCodec, node.wakuFilter.subscription())
# NOTE: If using the swap protocol, it must be mounted before store. This is
# because store is using a reference to the swap protocol.
proc mountSwap*(node: WakuNode) =
info "mounting swap"
node.wakuSwap = WakuSwap.init(node.switch, node.rng)
node.switch.mount(node.wakuSwap)
# NYI - Do we need this?
#node.subscriptions.subscribe(WakuSwapCodec, node.wakuSwap.subscription())
proc mountStore*(node: WakuNode, store: MessageStore = nil) =
info "mounting store"
if node.wakuSwap.isNil:
debug "mounting store without swap"
node.wakuStore = WakuStore.init(node.switch, node.rng, store)
else:
debug "mounting store with swap"
node.wakuStore = WakuStore.init(node.switch, node.rng, store, node.wakuSwap)
node.switch.mount(node.wakuStore)
node.subscriptions.subscribe(WakuStoreCodec, node.wakuStore.subscription())
proc mountRelay*(node: WakuNode, topics: seq[string] = newSeq[string](), rlnRelayEnabled: bool = false) {.gcsafe.} =
Test for the Rln relay/membership management contract deployment (#312) * enhancement/cleanup-warnings (#290) Accounting: Move flag to config and add basic test for accounting state (#284) * Accounting: Add config flag (default to false) Also fix bug where query function is called twice when flag is set. * Accounting: test state update after store req Refactor: waku_types separation of concern (trial with waku_swap) (#282) * waku_types refactor: Accounting types to waku_swap * waku_types refactor: Separate waku_swap_types file * Fix import path for waku_swap adds the test file for waku rln relay WIP: adds some initial code commented out the rln-relay test code refactor/db-message-store-split (#280) * fixes * fic * fix * fix * fix * fixed * fix * fixes * fixes, using sqlite lib fully * fix * Update sqlite.nim Waku v2 JSON-RPC REST API: Store protocol proof of concept (#263) * Waku V2 history query POC * Fix folder structure * Improve test clarity * Improve imports, returns and some naming * Changed naming conventions. Refactor & improve. Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Refactor types store (#291) * Refactor: Move waku_store into its own folder * Refactor: Move waku store types to new home (WIP) * Refactor: Fix errors and recursive imports * Fix rebase errors * Refactor: More rebase import fixes Accounting credit receiving node (#292) * Accounting WIP: Swap access through Store * Fix order bug and comment scenario + typo * WIP * Accounting: Account for receiving store node - Turn accountFor function into credit and debit - Misc formatting * Accounting: Fix bugs related to mount and test * Accounting: Simplify query signature We already have a ref to wakuSwap through wakuStore now. * Resolve rebase issues enhancement/remove-flood (#295) * removes flood * rm Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Updated submodules (#303) add Jenkinsfile and some Makefile targets for CI (#302) Signed-off-by: Jakub Sokołowski <jakub@status.im> Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Accounting: End to end with Cheque PoC (#304) Added some basic debug and relay json-rpc calls (#305) Uncomment and call empty rln test adds the membership contract to the test file adds a test utils for contract deployment increases the gas limit for group management contract * removes some files * WIP: adds the interface of membership contract * uncomments the interface of getNumber contract * adds tests for interaction with the membership contract * send is replaced with call * replaces call with send * enhancement/cleanup-warnings (#290) Accounting: Move flag to config and add basic test for accounting state (#284) * Accounting: Add config flag (default to false) Also fix bug where query function is called twice when flag is set. * Accounting: test state update after store req Refactor: waku_types separation of concern (trial with waku_swap) (#282) * waku_types refactor: Accounting types to waku_swap * waku_types refactor: Separate waku_swap_types file * Fix import path for waku_swap adds the test file for waku rln relay WIP: adds some initial code commented out the rln-relay test code refactor/db-message-store-split (#280) * fixes * fic * fix * fix * fix * fixed * fix * fixes * fixes, using sqlite lib fully * fix * Update sqlite.nim Waku v2 JSON-RPC REST API: Store protocol proof of concept (#263) * Waku V2 history query POC * Fix folder structure * Improve test clarity * Improve imports, returns and some naming * Changed naming conventions. Refactor & improve. Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Refactor types store (#291) * Refactor: Move waku_store into its own folder * Refactor: Move waku store types to new home (WIP) * Refactor: Fix errors and recursive imports * Fix rebase errors * Refactor: More rebase import fixes Accounting credit receiving node (#292) * Accounting WIP: Swap access through Store * Fix order bug and comment scenario + typo * WIP * Accounting: Account for receiving store node - Turn accountFor function into credit and debit - Misc formatting * Accounting: Fix bugs related to mount and test * Accounting: Simplify query signature We already have a ref to wakuSwap through wakuStore now. * Resolve rebase issues enhancement/remove-flood (#295) * removes flood * rm Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Updated submodules (#303) add Jenkinsfile and some Makefile targets for CI (#302) Signed-off-by: Jakub Sokołowski <jakub@status.im> Co-authored-by: Oskar Thorén <ot@oskarthoren.com> Accounting: End to end with Cheque PoC (#304) Added some basic debug and relay json-rpc calls (#305) Uncomment and call empty rln test adds the membership contract to the test file adds a test utils for contract deployment increases the gas limit for group management contract * removes some files * WIP: adds the interface of membership contract * uncomments the interface of getNumber contract * adds tests for interaction with the membership contract * send is replaced with call * replaces call with send * adds a todo * removes empty lines * adds some comments * adds a todo * adds the solidity code of the NumberContract * fixes a bug: replaces call with send * removes store test comments * removes excess spaces
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# TODO add the RLN registration
let wakuRelay = WakuRelay.init(
switch = node.switch,
# Use default
#msgIdProvider = msgIdProvider,
triggerSelf = true,
sign = false,
verifySignature = false
)
# TODO if rln-relay enabled, then perform registration
if rlnRelayEnabled:
debug "Using WakuRLNRelay"
else:
debug "WakuRLNRelay is disabled"
node.wakuRelay = wakuRelay
node.switch.mount(wakuRelay)
info "mounting relay"
proc relayHandler(topic: string, data: seq[byte]) {.async, gcsafe.} =
let msg = WakuMessage.init(data)
if msg.isOk():
node.filters.notify(msg.value(), "")
await node.subscriptions.notify(topic, msg.value())
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waku_node_messages.inc(labelValues = ["relay"])
node.wakuRelay.subscribe("/waku/2/default-waku/proto", relayHandler)
for topic in topics:
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
debug "Hit handler", topic=topic, data=data
node.subscribe(topic, handler)
## Helpers
proc dialPeer*(n: WakuNode, address: string) {.async.} =
info "dialPeer", address = address
# XXX: This turns ipfs into p2p, not quite sure why
let remotePeer = parsePeerInfo(address)
info "Dialing peer", wireAddr = remotePeer.addrs[0], peerId = remotePeer.peerId
# NOTE This is dialing on WakuRelay protocol specifically
# TODO Keep track of conn and connected state somewhere (WakuRelay?)
#p.conn = await p.switch.dial(remotePeer, WakuRelayCodec)
#p.connected = true
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discard await n.switch.dial(remotePeer.peerId, remotePeer.addrs, WakuRelayCodec)
info "Post switch dial"
proc setStorePeer*(n: WakuNode, address: string) =
info "dialPeer", address = address
let remotePeer = parsePeerInfo(address)
n.wakuStore.setPeer(remotePeer)
proc setFilterPeer*(n: WakuNode, address: string) =
info "dialPeer", address = address
let remotePeer = parsePeerInfo(address)
n.wakuFilter.setPeer(remotePeer)
proc connectToNodes*(n: WakuNode, nodes: seq[string]) {.async.} =
for nodeId in nodes:
info "connectToNodes", node = nodeId
# XXX: This seems...brittle
await dialPeer(n, nodeId)
# The issue seems to be around peers not being fully connected when
# trying to subscribe. So what we do is sleep to guarantee nodes are
# fully connected.
#
# This issue was known to Dmitiry on nim-libp2p and may be resolvable
# later.
await sleepAsync(5.seconds)
proc connectToNodes*(n: WakuNode, nodes: seq[PeerInfo]) {.async.} =
for peerInfo in nodes:
info "connectToNodes", peer = peerInfo
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discard await n.switch.dial(peerInfo.peerId, peerInfo.addrs, WakuRelayCodec)
# The issue seems to be around peers not being fully connected when
# trying to subscribe. So what we do is sleep to guarantee nodes are
# fully connected.
#
# This issue was known to Dmitiry on nim-libp2p and may be resolvable
# later.
await sleepAsync(5.seconds)
when isMainModule:
import
confutils, json_rpc/rpcserver, metrics,
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./config,
./jsonrpc/[admin_api,
debug_api,
filter_api,
private_api,
relay_api,
store_api],
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./message_store/waku_message_store,
../../common/utils/nat
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proc startRpc(node: WakuNode, rpcIp: ValidIpAddress, rpcPort: Port, conf: WakuNodeConf) =
let
ta = initTAddress(rpcIp, rpcPort)
rpcServer = newRpcHttpServer([ta])
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installDebugApiHandlers(node, rpcServer)
# Install enabled API handlers:
if conf.relay:
let topicCache = newTable[string, seq[WakuMessage]]()
installRelayApiHandlers(node, rpcServer, topicCache)
if conf.rpcPrivate:
# Private API access allows WakuRelay functionality that
# is backwards compatible with Waku v1.
installPrivateApiHandlers(node, rpcServer, node.rng, topicCache)
if conf.filter:
let messageCache = newTable[ContentTopic, seq[WakuMessage]]()
installFilterApiHandlers(node, rpcServer, messageCache)
if conf.store:
installStoreApiHandlers(node, rpcServer)
if conf.rpcAdmin:
installAdminApiHandlers(node, rpcServer)
rpcServer.start()
info "RPC Server started", ta
proc startMetricsServer(serverIp: ValidIpAddress, serverPort: Port) =
info "Starting metrics HTTP server", serverIp, serverPort
metrics.startHttpServer($serverIp, serverPort)
proc startMetricsLog() =
proc logMetrics(udata: pointer) {.closure, gcsafe.} =
{.gcsafe.}:
# TODO: libp2p_pubsub_peers is not public, so we need to make this either
# public in libp2p or do our own peer counting after all.
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var
totalMessages = 0.float64
for key in waku_node_messages.metrics.keys():
totalMessages = totalMessages + waku_node_messages.value(key)
info "Node metrics", totalMessages
discard setTimer(Moment.fromNow(2.seconds), logMetrics)
discard setTimer(Moment.fromNow(2.seconds), logMetrics)
let
conf = WakuNodeConf.load()
(extIp, extTcpPort, extUdpPort) = setupNat(conf.nat, clientId,
Port(uint16(conf.tcpPort) + conf.portsShift),
Port(uint16(conf.udpPort) + conf.portsShift))
## @TODO: the NAT setup assumes a manual port mapping configuration if extIp config is set. This probably
## implies adding manual config item for extPort as well. The following heuristic assumes that, in absence of manual
## config, the external port is the same as the bind port.
extPort = if extIp.isSome() and extTcpPort.isNone(): some(Port(uint16(conf.tcpPort) + conf.portsShift))
else: extTcpPort
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node = WakuNode.init(conf.nodeKey, conf.listenAddress,
Port(uint16(conf.tcpPort) + conf.portsShift), extIp, extPort)
waitFor node.start()
if conf.swap:
mountSwap(node)
# TODO Set swap peer, for now should be same as store peer
if conf.store:
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var store: WakuMessageStore
if conf.dbpath != "":
let dbRes = SqliteDatabase.init(conf.dbpath)
if dbRes.isErr:
warn "failed to init database", err = dbRes.error
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waku_node_errors.inc(labelValues = ["init_db_failure"])
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let res = WakuMessageStore.init(dbRes.value)
if res.isErr:
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warn "failed to init WakuMessageStore", err = res.error
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waku_node_errors.inc(labelValues = ["init_store_failure"])
else:
store = res.value
mountStore(node, store)
if conf.filter:
mountFilter(node)
if conf.relay:
mountRelay(node, conf.topics.split(" "), rlnRelayEnabled = conf.rlnrelay)
if conf.staticnodes.len > 0:
waitFor connectToNodes(node, conf.staticnodes)
if conf.storenode != "":
setStorePeer(node, conf.storenode)
if conf.filternode != "":
setFilterPeer(node, conf.filternode)
if conf.rpc:
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startRpc(node, conf.rpcAddress, Port(conf.rpcPort + conf.portsShift), conf)
if conf.logMetrics:
startMetricsLog()
when defined(insecure):
if conf.metricsServer:
startMetricsServer(conf.metricsServerAddress,
Port(conf.metricsServerPort + conf.portsShift))
runForever()