nwaku/tools/README.md

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## waku canary tool
Attempts to dial a peer and asserts it supports a given set of protocols.
```console
Usage:
wakucanary [OPTIONS]...
The following options are available:
-a, --address Multiaddress of the peer node to attempt to dial.
-t, --timeout Timeout to consider that the connection failed [=chronos.seconds(10)].
-p, --protocol Protocol required to be supported: store,relay,lightpush,filter (can be used
multiple times).
-l, --log-level Sets the log level [=LogLevel.DEBUG].
```
The tool can be built as:
```console
$ make wakucanary
```
And used as follows. A reachable node that supports both `store` and `filter` protocols.
```console
$ ./build/wakucanary --address=/ip4/8.210.222.231/tcp/30303/p2p/16Uiu2HAm4v86W3bmT1BiH6oSPzcsSr24iDQpSN5Qa992BCjjwgrD --protocol=store --protocol=filter
$ echo $?
0
```
A node that can't be reached.
```console
$ ./build/wakucanary --address=/ip4/8.210.222.231/tcp/1000/p2p/16Uiu2HAm4v86W3bmT1BiH6oSPzcsSr24iDQpSN5Qa992BCjjwgrD --protocol=store --protocol=filter
$ echo $?
1
2022-10-18 15:13:42 +00:00
```
Note that a domain name can also be used.
```console
$ ./build/wakucanary --address=/dns4/node-01.do-ams3.status.test.statusim.net/tcp/30303/p2p/16Uiu2HAkukebeXjTQ9QDBeNDWuGfbaSg79wkkhK4vPocLgR6QFDf --protocol=store --protocol=filter
$ echo $?
0
```