104 lines
4.0 KiB
Bash
Executable File
104 lines
4.0 KiB
Bash
Executable File
#!/bin/bash
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RPC_URL="$1"
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ref="$2"
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timeout=5 # seconds
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response_file=$(mktemp)
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http_status_code=$(curl --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 2 # to give the reference node more time to import the block if it is very current
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http_status_code2=$(curl --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}" $ref)
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curl_code=$?
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if [ $curl_code -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=$(mktemp)
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http_status_code=$(curl --ipv4 -m $timeout -s -X POST -w "%{http_code}" -o "$response_file3" -H "Content-Type: application/json" --data "{\"jsonrpc\":\"2.0\",\"method\":\"eth_getBlockByNumber\",\"params\":[\"latest\", false],\"id\":1}" $ref)
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curl_code=$?
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if [ $curl_code -eq 0 ]; then
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if [[ $http_status_code -eq 200 ]]; then
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response3=$(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#${latest_block_timestamp3#0x}))
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time_difference3=$(( latest_block_timestamp_decimal3 - latest_block_timestamp_decimal ))
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rm "$response_file3"
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if [ $time_difference3 -lt 2 ]; then
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echo "online"
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exit 0
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elif [ $time_difference3 -lt 5 ]; then
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echo "lagging"
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exit 0
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else
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echo "syncing"
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exit 1
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fi
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fi
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fi
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else
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echo "forked"
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exit 1
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fi
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else
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echo "unverified ($http_status_code2)"
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exit 0
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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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