161 lines
5.4 KiB
Bash
Executable File
161 lines
5.4 KiB
Bash
Executable File
#!/bin/bash
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BASEPATH="$(dirname "$0")"
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if [ $# -lt 2 ]; then
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echo "Error: At least two parameters are required."
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exit 1
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fi
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RPC_URL=$1
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REF=""
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for url in "${@:2}"; do
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REF+="--url $url "
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done
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# Optional: You can remove the trailing space if needed
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ref=${REF% }
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# echo "ref: $ref"
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timeout=3 # seconds
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response_file=$(mktemp)
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http_status_code=$(curl -L --ipv4 -m $timeout -s -X POST -w "%{http_code}" -o "$response_file" -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}' $RPC_URL)
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if [ $? -eq 0 ]; then
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if [[ $http_status_code -eq 200 ]]; then
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response=$(cat "$response_file")
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latest_block_timestamp=$(echo "$response" | jq -r '.result.timestamp')
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latest_block_timestamp_decimal=$((16#${latest_block_timestamp#0x}))
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current_time=$(date +%s)
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time_difference=$((current_time - latest_block_timestamp_decimal))
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rm "$response_file"
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if [ -n "$ref" ]; then
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latest_block_number=$(echo "$response" | jq -r '.result.number')
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latest_block_hash=$(echo "$response" | jq -r '.result.hash')
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response_file2=$(mktemp)
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sleep 3 # to give the reference node more time to import the block if it is very current
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http_status_code2=$($BASEPATH/multicurl.sh -L --ipv4 -m $timeout -s -X POST -w "%{http_code}" -o "$response_file2" -H "Content-Type: application/json" --data "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getBlockByNumber\",\"params\":[\"$latest_block_number\", false],\"id\":1}" $ref)
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curl_code2=$?
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if [ $curl_code2 -eq 0 ]; then
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if [[ $http_status_code2 -eq 200 ]]; then
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response2=$(cat "$response_file2")
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latest_block_hash2=$(echo "$response2" | jq -r '.result.hash')
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rm "$response_file2"
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if [ "$latest_block_hash" == "$latest_block_hash2" ]; then
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response_file3=$(mktemp)
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status_file3=$(mktemp)
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{
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$BASEPATH/multicurl.sh -L --ipv4 -m $timeout -s -X POST -w "%{http_code} %{time_total}" -o "$response_file3" -H "Content-Type: application/json" --data "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getBlockByNumber\",\"params\":[\"latest\", false],\"id\":1}" $ref > "$status_file3"
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} &
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pid3=$!
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response_file4=$(mktemp)
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status_file4=$(mktemp)
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{
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curl -L --ipv4 -m $timeout -s -X POST -w "%{http_code} %{time_total}" -o "$response_file4" -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}' $RPC_URL > "$status_file4"
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} &
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pid4=$!
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wait $pid3
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curl_code3=$?
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http_status_code3=$(cat "$status_file3" | cut -d ' ' -f 1)
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request_time3=$(cat "$status_file3" | cut -d ' ' -f 2)
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rm "$status_file3"
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wait $pid4
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curl_code4=$?
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http_status_code4=$(cat "$status_file4" | cut -d ' ' -f 1)
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request_time4=$(cat "$status_file4" | cut -d ' ' -f 2)
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rm "$status_file4"
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# echo "lets check"
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if [ $curl_code3 -eq 0 ]; then
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if [[ $http_status_code3 -eq 200 ]]; then
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response3=$(cat "$response_file3")
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latest_block_timestamp3=$(echo "$response3" | jq -r '.result.timestamp')
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latest_block_timestamp_decimal3=$((16#${latest_block_timestamp3#0x}))
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# echo "refer: $latest_block_timestamp_decimal3"
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rm "$response_file3"
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if [ $curl_code4 -eq 0 ]; then
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if [[ $http_status_code4 -eq 200 ]]; then
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response4=$(cat "$response_file4")
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latest_block_timestamp4=$(echo "$response4" | jq -r '.result.timestamp')
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latest_block_timestamp_decimal4=$((16#${latest_block_timestamp4#0x}))
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#echo "local: $latest_block_timestamp_decimal4"
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rm "$response_file4"
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time_difference3=$(echo "scale=6; (${latest_block_timestamp_decimal3} - ${request_time3}) - (${latest_block_timestamp_decimal4} - ${request_time4})" | bc)
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#echo "diff after network latency: $time_difference3 s"
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if (( $(echo "$time_difference3 < 2" | bc -l) )); then
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echo "online"
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exit 0
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elif (( $(echo "$time_difference3 < 5" | bc -l) )); then
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echo "lagging"
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exit 0
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else
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echo "syncing"
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exit 1
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fi
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else
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echo "error"
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exit 1
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fi
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fi
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fi
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fi
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else
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echo "forked"
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exit 1
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fi
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else
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echo "unverified ($http_status_code2)"
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exit 1
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fi
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fi
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echo "unverified ($curl_code)"
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exit 0
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elif [ $time_difference -lt 60 ]; then
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echo "online"
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exit 0
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else
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echo "behind"
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exit 1
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fi
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elif [[ $http_status_code -eq 404 ]]; then
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echo "offline"
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exit 1
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elif [[ $http_status_code -eq 401 ]]; then
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echo "unauthorized"
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exit 1
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elif [[ $http_status_code -eq 500 ]]; then
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echo "error"
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exit 1
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else
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echo "Unexpected HTTP status code: $http_status_code"
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exit 1
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fi
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else
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echo "timeout"
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exit 1
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fi
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