net_peerCount | Viction RPC Docs

Get the number of peers connected to your Viction node. Essential for network health monitoring, peer discovery verification, and load balancer decisions.

Returns the number of peers currently connected to your Viction node.

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When to Use This Method

net_peerCount is important for consumer dApp developers, teams requiring gasless UX, and builders targeting mainstream adoption:

Network Health Monitoring — Verify your node has sufficient peer connections for reliable data propagation
Peer Discovery Verification — Confirm that peer discovery is working after node startup or network changes
Load Balancer Decisions — Route traffic to well-connected nodes with healthy peer counts
Troubleshooting Connectivity — Diagnose networking issues when a node returns stale or missing data

Code Examples

Common Use Cases

1. Network Health Monitor

Continuously check peer count and alert when it drops below a threshold:

JavaScript

async function monitorPeers(provider, minPeers = 3, interval = 30000) {
  setInterval(async () => {
    const peerCountHex = await provider.send('net_peerCount', []);
    const peerCount = parseInt(peerCountHex, 16);

    if (peerCount === 0) {
      console.error('CRITICAL: Node has no peers — network isolated');
    } else if (peerCount < minPeers) {
      console.warn(`LOW PEERS: ${peerCount} connected (minimum: ${minPeers})`);
    } else {
      console.log(`Healthy — ${peerCount} peers connected`);
    }
  }, interval);
}

2. Node Readiness Check

Verify a node has enough peers before routing traffic to it:

JavaScript

async function isNodeReady(rpcUrl, minPeers = 5) {
  const provider = new JsonRpcProvider(rpcUrl);

  const [peerCountHex, syncing] = await Promise.all([
    provider.send('net_peerCount', []),
    provider.send('eth_syncing', [])
  ]);

  const peerCount = parseInt(peerCountHex, 16);
  const isSynced = syncing === false;
  const hasEnoughPeers = peerCount >= minPeers;

  return {
    ready: isSynced && hasEnoughPeers,
    peerCount,
    syncing: !isSynced
  };
}

3. Multi-Node Fleet Dashboard

Aggregate peer counts across a fleet of Viction nodes:

Python

import requests

def check_fleet_peers(endpoints):
    results = []
    for endpoint in endpoints:
        try:
            response = requests.post(
                endpoint,
                json={'jsonrpc': '2.0', 'method': 'net_peerCount', 'params': [], 'id': 1},
                timeout=5
            )
            peers = int(response.json()['result'], 16)
            results.append({'endpoint': endpoint, 'peers': peers, 'healthy': peers > 0})
        except Exception as e:
            results.append({'endpoint': endpoint, 'peers': 0, 'healthy': False, 'error': str(e)})
    return results

Error Handling

Error Code	Description	Solution
-32601	Method not found	The node may have the `net` namespace disabled — check node startup flags
-32603	Internal error	Node may be starting up — retry after delay
-32005	Rate limit exceeded	Reduce polling frequency or implement backoff

net_listening — Check if node is accepting connections
net_version — Get the network ID
eth_syncing — Check node sync progress
web3_clientVersion — Get node client info

net_peerCount - Viction RPC Method