status-go/geth/peers/README.md
Dmitry Shulyak f3e2631c1d
Add signals for notifying react about discovery activity (#859)
* Add signal for notifying react on discovery activity

* Whitelist expected signals in e2e tests
2018-04-25 10:13:59 +03:00

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Peer pool signals
=================
Peer pool sends 3 types of signals.
Discovery started signal will be sent once discovery server is started.
And every time node will have to re-start discovery server because peer number dropped too low.
```json
{
"type": "discovery.started",
"event": null
}
```
Discovery stopped signal will be sent once discovery found max limit of peers
for every registered topic.
```json
{
"type": "discovery.stopped",
"event": null
}
```
Discovery summary signal will be sent every time new peer is added or removed
from a cluster. It will contain a map with capability as a key and total numbers
of peers with that capability as a value.
```json
{
"type": "discovery.summary",
"event": {
"shh/6": 1
}
}
```
Or if we don't have any peers:
```json
{
"type": "discovery.summary",
"event": {}
}
```