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Parameters
none
Response
quantity
— an integer value indicating the current number of peers connected to the node
net_peerCount
code examples
Use case
One practical use case for thenet_peerCount
method is to monitor the number of peers connected to a node and take some action if the number drops below a certain threshold. For example, a developer might want to send a notification to check the node if the peer count is low for more than 10 minutes.
Here is an implementation of this concept using web3.js:
index.js
checkPeerCount
that retrieves the current number of connected peers using the web3.eth.net.getPeerCount
method. The function then checks whether the peer count is below a minimum threshold (defined as MIN_PEER_COUNT
), and takes appropriate action based on the result.
If the peer count is below the threshold and this is the first time the count has dropped below the threshold, the function records the current time and logs a message to the console. If the peer count remains below the threshold for more than 10 minutes, the function logs a message to the console indicating that a notification should be sent and optionally sends a notification via email or SMS.
If the peer count is above the threshold, the function resets the lowPeerCountTime
variable to null.
By running the checkPeerCount
function periodically, we can ensure that we are notified if the peer count drops below a certain threshold and stays low for an extended period of time, which can indicate issues with the node’s connectivity.Body
application/json
Response
200 - application/json
The peer count information
The response is of type object
.