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

89 lines
3.0 KiB
Nim

# compile time options here
const
libp2p_pubsub_sign {.booldefine.} = true
libp2p_pubsub_verify {.booldefine.} = true
libp2p_pubsub_anonymize {.booldefine.} = false
import random, tables
import chronos
import ../../libp2p/[builders,
protocols/pubsub/pubsub,
protocols/pubsub/gossipsub,
protocols/pubsub/floodsub,
protocols/secure/secure]
export builders
randomize()
proc generateNodes*(
num: Natural,
secureManagers: openArray[SecureProtocol] = [
SecureProtocol.Noise
],
msgIdProvider: MsgIdProvider = nil,
gossip: bool = false,
triggerSelf: bool = false,
verifySignature: bool = libp2p_pubsub_verify,
anonymize: bool = libp2p_pubsub_anonymize,
sign: bool = libp2p_pubsub_sign,
maxMessageSize: int = 1024 * 1024): seq[PubSub] =
for i in 0..<num:
let switch = newStandardSwitch(secureManagers = secureManagers)
let pubsub = if gossip:
let g = GossipSub.init(
switch = switch,
triggerSelf = triggerSelf,
verifySignature = verifySignature,
sign = sign,
msgIdProvider = msgIdProvider,
anonymize = anonymize,
maxMessageSize = maxMessageSize,
parameters = (var p = GossipSubParams.init(); p.floodPublish = false; p.historyLength = 20; p.historyGossip = 20; p.unsubscribeBackoff = 1.seconds; p))
# set some testing params, to enable scores
g.topicParams.mgetOrPut("foobar", TopicParams.init()).topicWeight = 1.0
g.topicParams.mgetOrPut("foo", TopicParams.init()).topicWeight = 1.0
g.topicParams.mgetOrPut("bar", TopicParams.init()).topicWeight = 1.0
g.PubSub
else:
FloodSub.init(
switch = switch,
triggerSelf = triggerSelf,
verifySignature = verifySignature,
sign = sign,
msgIdProvider = msgIdProvider,
maxMessageSize = maxMessageSize,
anonymize = anonymize).PubSub
switch.mount(pubsub)
result.add(pubsub)
proc subscribeNodes*(nodes: seq[PubSub]) {.async.} =
for dialer in nodes:
for node in nodes:
if dialer.switch.peerInfo.peerId != node.switch.peerInfo.peerId:
await dialer.switch.connect(node.peerInfo.peerId, node.peerInfo.addrs)
proc subscribeSparseNodes*(nodes: seq[PubSub], degree: int = 2) {.async.} =
if nodes.len < degree:
raise (ref CatchableError)(msg: "nodes count needs to be greater or equal to degree!")
for i, dialer in nodes:
if (i mod degree) != 0:
continue
for node in nodes:
if dialer.switch.peerInfo.peerId != node.peerInfo.peerId:
await dialer.switch.connect(node.peerInfo.peerId, node.peerInfo.addrs)
proc subscribeRandom*(nodes: seq[PubSub]) {.async.} =
for dialer in nodes:
var dialed: seq[PeerId]
while dialed.len < nodes.len - 1:
let node = sample(nodes)
if node.peerInfo.peerId notin dialed:
if dialer.peerInfo.peerId != node.peerInfo.peerId:
await dialer.switch.connect(node.peerInfo.peerId, node.peerInfo.addrs)
dialed.add(node.peerInfo.peerId)