mirror of https://github.com/waku-org/nwaku.git
37 lines
1013 B
Nim
37 lines
1013 B
Nim
# Here's an example of how you would start a Waku node, subscribe to topics, and
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# publish to them
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import confutils, chronicles, chronos, os
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import stew/shims/net as stewNet
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import libp2p/crypto/crypto
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import libp2p/crypto/secp
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import eth/keys
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import json_rpc/[rpcclient, rpcserver]
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import ../../waku/node/v2/config
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import ../../waku/node/v2/wakunode2
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import ../../waku/node/v2/waku_types
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# Loads the config in `waku/node/v2/config.nim`
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let conf = WakuNodeConf.load()
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# Node operations happens asynchronously
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proc runBackground(conf: WakuNodeConf) {.async.} =
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# Create and start the node
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let node = await WakuNode.init(conf)
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# Subscribe to a topic
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let topic = "foobar"
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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info "Hit subscribe handler", topic=topic, data=data, decoded=cast[string](data)
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node.subscribe(topic, handler)
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# Publish to a topic
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let message = cast[seq[byte]]("hello world")
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node.publish(topic, message)
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discard runBackground(conf)
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runForever()
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