nim-libp2p/examples/bootstrap.nim

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import chronos, nimcrypto, strutils
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import ../libp2p/daemon/daemonapi
import ../libp2p/[base58, multicodec, multiaddress, peer]
import hexdump
const
PubSubTopic = "test-net"
proc dumpSubscribedPeers(api: DaemonAPI) {.async.} =
var peers = await api.pubsubListPeers(PubSubTopic)
echo "= List of connected and subscribed peers:"
for item in peers:
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echo item.pretty()
proc main() {.async.} =
echo "= Starting P2P bootnode"
var api = await newDaemonApi({DHTFull, PSGossipSub})
var id = await api.identity()
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echo "= P2P bootnode ", id.peer.pretty(), " started."
let mcip4 = multiCodec("ip4")
let mcip6 = multiCodec("ip6")
echo "= You can use one of this addresses to bootstrap your nodes:"
for item in id.addresses:
if item.protoCode() == mcip4 or item.protoCode() == mcip6:
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echo $item & "/ipfs/" & id.peer.pretty()
proc pubsubLogger(api: DaemonAPI,
ticket: PubsubTicket,
message: PubSubMessage): Future[bool] {.async.} =
let msglen = len(message.data)
echo "= Recieved pubsub message wit length ", msglen,
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" bytes from peer ", message.peer.pretty()
echo dumpHex(message.data)
await api.dumpSubscribedPeers()
result = true
var ticket = await api.pubsubSubscribe(PubSubTopic, pubsubLogger)
when isMainModule:
waitFor(main())
while true:
poll()