Check if dash has peers from same IP more than limit or not, disconnect if exceeded.

clean_dash_node.bash

#!/bin/bash
# Require Bash version >=4
# Require jq hexdump

# Set Dash Client command
DASH_CLI=/home/dashtest/bin/dash-cli

# Set Max connection per IP
MAX_CONN_IP=5

# List of peers
peers=$($DASH_CLI getpeerinfo |jq -r '.[]|"\(.addr)"')

# whitelist ips
whitelist="127.0.0.1 127.0.0.2"

# Processing
declare -A count
for addr in $peers
do

# Skip if IP in whitelist
ip=${addr%:*}
is_whitelist=0
for wip in $whitelist
do
if [ "$ip" == "$wip" ]; then is_whitelist=1; fi
done
if [ $is_whitelist -eq 1 ]; then continue; fi

# Count the connection node
vip=$(echo ${addr%:*}|hexdump -ve '/1 "%02x"')
if [ -z "${count[$vip]}" ]
then
count[$vip]=1
else
count[$vip]=$((${count[$vip]}+1))
fi

# Check Limit
if [ ${count[$vip]} -gt $MAX_CONN_IP ]; then
$DASH_CLI disconnectnode $addr
echo Exceeded connection from $ip for ${count[$vip]}/$MAX_CONN_IP , disconnect node $addr
fi

done
#