nim-libp2p-experimental/tests/pubsub/utils.nim

62 lines
2.2 KiB
Nim

import options, tables
import chronos
import ../../libp2p/[switch,
peer,
connection,
multiaddress,
peerinfo,
muxers/muxer,
crypto/crypto,
muxers/mplex/mplex,
muxers/mplex/types,
protocols/identify,
transports/transport,
transports/tcptransport,
protocols/secure/secure,
protocols/secure/secio,
protocols/pubsub/pubsub,
protocols/pubsub/gossipsub,
protocols/pubsub/floodsub]
proc createMplex(conn: Connection): Muxer =
result = newMplex(conn)
proc createNode*(privKey: Option[PrivateKey] = none(PrivateKey),
address: string = "/ip4/127.0.0.1/tcp/0",
triggerSelf: bool = false,
gossip: bool = false): Switch =
var seckey = privKey
if privKey.isNone:
seckey = some(PrivateKey.random(RSA))
var peerInfo = PeerInfo.init(seckey.get(), @[Multiaddress.init(address)])
let mplexProvider = newMuxerProvider(createMplex, MplexCodec)
let transports = @[Transport(newTransport(TcpTransport))]
let muxers = [(MplexCodec, mplexProvider)].toTable()
let identify = newIdentify(peerInfo)
let secureManagers = [(SecioCodec, Secure(newSecio(seckey.get())))].toTable()
var pubSub: Option[PubSub]
if gossip:
pubSub = some(PubSub(newPubSub(GossipSub, peerInfo, triggerSelf)))
else:
pubSub = some(PubSub(newPubSub(FloodSub, peerInfo, triggerSelf)))
result = newSwitch(peerInfo,
transports,
identify,
muxers,
secureManagers = secureManagers,
pubSub = pubSub)
proc generateNodes*(num: Natural, gossip: bool = false): seq[Switch] =
for i in 0..<num:
result.add(createNode(gossip = gossip))
proc subscribeNodes*(nodes: seq[Switch]) {.async.} =
for dialer in nodes:
for node in nodes:
if dialer.peerInfo.peerId != node.peerInfo.peerId:
await dialer.subscribeToPeer(node.peerInfo)
await sleepAsync(100.millis)