mirror of
https://github.com/dennisreimann/kindle-display.git
synced 2026-08-13 12:33:45 +02:00
59 lines
2.7 KiB
Bash
Executable file
59 lines
2.7 KiB
Bash
Executable file
#!/bin/bash
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dir=$(cd `dirname $0` && pwd)
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envFile=$(ls -l $dir/.env | awk '{print $NF}')
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now=$(date +'%F %R')
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# Load config
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source $envFile
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# Use clearnet by default, check for Tor and use it if working
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tor=""
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torCheck=$(torsocks curl -s https://check.torproject.org/ 2>/dev/null | grep -c "Congratulations. This browser is configured to use Tor.")
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if [ ${torCheck} -gt 0 ]; then
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tor="torsocks"
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fi
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if [[ -z "${tor}" && ${DISPLAY_FORCE_TOR} = true ]]; then
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echo >&2 'Tor is required, but not available.'
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exit 1
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fi
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# Get block height using RPC connection or Blockchain.info as fallback
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if [[ "${DISPLAY_BITCOIN_RPC_USER}" && "${DISPLAY_BITCOIN_RPC_PASS}" ]]; then
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blockcount=$(bitcoin-cli -rpcuser=$DISPLAY_BITCOIN_RPC_USER -rpcpassword=$DISPLAY_BITCOIN_RPC_PASS getblockcount 2> /dev/null)
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fi
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if [[ -z "${blockcount}" && ${DISPLAY_FALLBACK_BLOCK} = true ]]; then
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blockcount=$($tor curl -s -f https://blockchain.info/q/getblockcount 2> /dev/null)
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fi
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# Fetch rates using custom BTCPay or Kraken as fallback
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if [[ "${BTCPAY_API_TOKEN}" && "${BTCPAY_HOST}" ]]; then
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rate1=$($tor curl -s -f -H "Authorization: Basic $BTCPAY_API_TOKEN" $BTCPAY_HOST/rates/BTC/$DISPLAY_RATE1 | jq -r ".data.rate")
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moscow1=$(echo "100000000 / $rate1" | bc 2>/dev/null)
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if [[ ! -z "${DISPLAY_RATE2}" ]]; then
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rate2=$($tor curl -s -f -H "Authorization: Basic $BTCPAY_API_TOKEN" $BTCPAY_HOST/rates/BTC/$DISPLAY_RATE2 | jq -r ".data.rate")
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moscow2=$(echo "100000000 / $rate2" | bc 2>/dev/null)
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fi
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fi
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if [[ ${DISPLAY_FALLBACK_RATES} = true && -z "${rate1}" ]]; then
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rate1=$($tor curl -s -f https://api.kraken.com/0/public/Ticker\?pair=XBT$DISPLAY_RATE1 | jq -r ".result[].c[0]")
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moscow1=$(echo "100000000 / $rate1" | bc 2>/dev/null)
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fi
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if [[ ${DISPLAY_FALLBACK_RATES} = true && -z "${rate2}" && ! -z "${DISPLAY_RATE2}" ]]; then
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rate2=$($tor curl -s -f https://api.kraken.com/0/public/Ticker\?pair=XBT$DISPLAY_RATE2 | jq -r ".result[].c[0]")
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moscow2=$(echo "100000000 / $rate2" | bc 2>/dev/null)
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fi
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# Bitcoin Quotes
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quote=$($tor curl -s -f https://www.bitcoin-quotes.com/quotes/random.json 2> /dev/null || echo "null")
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# Mempool Stats
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fees=$($tor curl -s -f https://mempool.space/api/v1/fees/recommended 2> /dev/null || echo "null")
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mempoolblocks=$($tor curl -s -f https://mempool.space/api/v1/fees/mempool-blocks 2> /dev/null || echo "null")
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lightning=$($tor curl -s -f https://mempool.space/api/v1/lightning/statistics/latest 2> /dev/null || echo "null")
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# JSON
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jo -p date="$now" blockcount="$blockcount" rate1=$(jo rate="$rate1" moscow="$moscow1" code="$DISPLAY_RATE1") rate2=$(jo rate="$rate2" moscow="$moscow2" code="$DISPLAY_RATE2") quote="$quote" fees="$fees" mempoolblocks="$mempoolblocks" lightning="$lightning" > $dir/data.json
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