rpc_check

#!/bin/bash 

apt install curl jq bc -y 
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"  
rpc_addresses=("https://rpc-sentinel.busurnode.com:443" 
"https://sentinel-rpc.publicnode.com:443"
"https://rpc.mathnodes.com:443"
"https://rpc.sentinel.co:443"
"https://eu-rpc-sentinel.busurnode.com:443"
"https://as-rpc-sentinel.busurnode.com:443"
"https://na-rpc-sentinel.busurnode.com:443")  
declare -A execution_times  
# Loop through each node  
for node in "${rpc_addresses[@]}";   
do  
    echo "Testing ${node}..."  
    start_time=$(date +%s.%N)  
    curl -s "${node}/block" | jq -r .result.block.header.height  
    end_time=$(date +%s.%N)  
    execution_time=$(echo "$end_time - $start_time" | bc)  
    execution_times["$node"]=$execution_time  
    echo "Finished testing ${node}, Execution took: $execution_time"  
done  
sorted_nodes=($(for node in "${rpc_addresses[@]}"; do echo "$node ${execution_times["$node"]}"; done | sort -k2 -n | awk '{print $1}'))  
for node in "${sorted_nodes[@]}"; do  
    echo "Node: $node, Execution Time: ${execution_times["$node"]}"  
done  
new_addrs=()  
for ((a = 0; a <= 4; a++)); do  
    new_addrs+=("${sorted_nodes[$a]}")  
done  
comma_separated=$(IFS=,; echo "${new_addrs[*]}")  
new_line="rpc_addresses=\"$comma_separated\""  
echo "$new_line"  

sed -i "s#^rpc_addresses.*#$new_line#" "${HOME}"/.sentinelnode/config.toml
rm -f .sentinelnode/data.db
docker restart dvpn-node-sin
docker logs -f -n 100 dvpn-node-sin
exit 0