63 lines
2.0 KiB
Bash
63 lines
2.0 KiB
Bash
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#!/bin/bash
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# Check peer connections on Besu node
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# Usage: bash besu-verify-peers.sh <rpc-url>
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# Example: bash besu-verify-peers.sh http://192.168.11.13:8545
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set -euo pipefail
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RPC_URL="${1:-http://localhost:8545}"
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echo "Checking peers on: $RPC_URL"
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echo ""
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# Get node info
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NODE_INFO=$(curl -s -X POST \
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-H "Content-Type: application/json" \
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--data '{"jsonrpc":"2.0","method":"admin_nodeInfo","params":[],"id":1}' \
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"${RPC_URL}")
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ENODE=$(echo "$NODE_INFO" | python3 -c "import sys, json; print(json.load(sys.stdin).get('result', {}).get('enode', 'ERROR'))" 2>/dev/null)
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if [[ "$ENODE" == "ERROR" ]] || [[ -z "$ENODE" ]]; then
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echo "ERROR: Could not get node info. Is RPC enabled with ADMIN API?" >&2
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exit 1
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fi
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echo "This node's enode:"
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echo "$ENODE"
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echo ""
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# Get peers
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PEERS_RESPONSE=$(curl -s -X POST \
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-H "Content-Type: application/json" \
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--data '{"jsonrpc":"2.0","method":"admin_peers","params":[],"id":2}' \
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"${RPC_URL}")
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PEERS=$(echo "$PEERS_RESPONSE" | python3 -c "import sys, json; peers=json.load(sys.stdin).get('result', []); print(len(peers))" 2>/dev/null)
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PEERS_LIST=$(echo "$PEERS_RESPONSE" | python3 -c "import sys, json; peers=json.load(sys.stdin).get('result', []); [print(f\" - {p.get('enode', 'unknown')}\") for p in peers]" 2>/dev/null)
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echo "Connected peers: $PEERS"
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echo ""
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if [[ "$PEERS" == "0" ]]; then
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echo "⚠️ NO PEERS CONNECTED"
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echo ""
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echo "Possible causes:"
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echo "1. Other nodes not running"
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echo "2. Firewall blocking port 30303"
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echo "3. Malformed enodes in allowlist"
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echo "4. Discovery disabled and static-nodes.json incorrect"
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echo "5. Permissions enabled but allowlist missing this node"
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echo "6. Network connectivity issues"
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else
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echo "Peer list:"
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echo "$PEERS_LIST"
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fi
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# Check peer details if jq available
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if [[ "$PEERS" != "0" ]] && command -v jq >/dev/null 2>&1; then
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echo ""
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echo "Peer details:"
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echo "$PEERS_RESPONSE" | jq -r '.result[] | " - \(.id): \(.name) @ \(.network.remoteAddress)"'
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fi
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