84 lines
3.2 KiB
Nim
84 lines
3.2 KiB
Nim
import
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# Standard library
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std/[tables, sequtils],
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# Nimble packages
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stew/shims/net,
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chronicles, chronos, confutils,
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libp2p/crypto/crypto,
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eth/[keys, p2p/discoveryv5/enr],
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# Nimble packages - Waku
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waku/[waku_core, waku_node, waku_enr, waku_discv5],
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waku/factory/builder,
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waku/node/peer_manager,
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waku/common/[logging, protobuf]
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proc startWakuNode*(rng: ref HmacDrbgContext,
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wakuPort, discv5Port: uint16,
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requiredConnectedPeers: int
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): Future[WakuNode] {.async.} =
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let
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bootstrapNode = "enr:-P-4QGVNANzbhCI49du6Moyw98AjuMhKoOpE_Jges9JlCq-I" &
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"CAVadktjfcNpuhQgT0g1cu86_S3nbM7eYkCsqDAQG7UBgmlkgnY0" &
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"gmlwhI_G-a6KbXVsdGlhZGRyc7hgAC02KG5vZGUtMDEuZG8tYW1z" &
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"My5zdGF0dXMucHJvZC5zdGF0dXNpbS5uZXQGdl8ALzYobm9kZS0w" &
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"MS5kby1hbXMzLnN0YXR1cy5wcm9kLnN0YXR1c2ltLm5ldAYBu94D" &
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"iXNlY3AyNTZrMaECoVyonsTGEQvVioM562Q1fjzTb_vKD152PPId" &
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"sV7sM6SDdGNwgnZfg3VkcIIjKIV3YWt1Mg8"
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nodeKey = crypto.PrivateKey.random(Secp256k1, rng[]).get()
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ip = parseIpAddress("0.0.0.0")
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flags = CapabilitiesBitfield.init(lightpush = false, filter = false,
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store = false, relay = true)
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var enrBuilder = EnrBuilder.init(nodeKey)
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let recordRes = enrBuilder.build()
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let record =
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if recordRes.isErr():
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error "failed to create enr record", error = recordRes.error
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quit(QuitFailure)
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else: recordRes.get()
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var builder = WakuNodeBuilder.init()
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builder.withNodeKey(nodeKey)
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builder.withRecord(record)
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builder.withNetworkConfigurationDetails(ip, Port(wakuPort)).tryGet()
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let node = builder.build().tryGet()
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var bootstrapNodeEnr: enr.Record
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discard bootstrapNodeEnr.fromURI(bootstrapNode)
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let discv5Conf = WakuDiscoveryV5Config(discv5Config: none(DiscoveryConfig),
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address: ip, port: Port(discv5Port),
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privateKey: keys.PrivateKey(nodeKey.skkey),
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bootstrapRecords: @[bootstrapNodeEnr],
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autoupdateRecord: true)
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# assumes behind a firewall, so not care about being discoverable
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let wakuDiscv5 = WakuDiscoveryV5.new(node.rng, discv5Conf, some(node.enr),
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some(node.peerManager),
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node.topicSubscriptionQueue)
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await node.start()
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await node.mountRelay()
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node.peerManager.start()
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(await wakuDiscv5.start()).isOkOr:
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error "Failed to start discv5", error = error
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quit(1)
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# Wait for a minimum of peers to be connected, otherwise messages wont be gossiped
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while true:
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let numConnectedPeers = node.peerManager.peerStore[
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ConnectionBook].book.values().countIt(it == Connected)
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if numConnectedPeers >= requiredConnectedPeers:
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notice "Node is ready", connectedPeers = numConnectedPeers,
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required = requiredConnectedPeers
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break
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notice "Waiting for the node to be ready",
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connectedPeers = numConnectedPeers, required = requiredConnectedPeers
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await sleepAsync(5000)
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return node
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