unitproc/bkbtclog

   1 #!/bin/bash
   2
   3 # Date: 2020-03-08T03:48Z; baltakatei>
   4
   5 # Description: Log bitcoin block stats to file every minute for one
   6 # hour. Also adds stats to PRNG.
   7
   8 # Usage: bkbtclog [path]
   9
  10   # [path]: Path to write log file.
  11
  12 # Dependencies: jq
  13
  14 # Modify PATH to include some non-standard executable directories.
  15 PATH="/usr/local/bin/:$PATH" # for bitcoind and bitcoin-cli
  16 PATH="/usr/bin/:$PATH" # for jq
  17
  18 # Exit if jq is unavailable or bitcoin-cli getblockcount not available.
  19 if ! ( ( command -v jq 1>/dev/null 2>&1 ) && ( bitcoin-cli getblockcount 1>/dev/null 2>&1 ) ) ; then echo "ERROR:Commands jq or bitcoin-cli not available." 1>&2; exit 1; fi
  20
  21 # Set script time-to-live to 1 hour in seconds. See https://stackoverflow.com/a/11198713 .
  22 SCRIPT_TTL=3600
  23 SECONDS_END=$(( SECONDS + SCRIPT_TTL ))
  24
  25 # Set output log file path
  26 LOG_PATH="$1"
  27 LOG_DIR=$(dirname "$LOG_PATH" )
  28
  29 # Exit if LOG_DIR doesn't exist.
  30 if [ ! -d "$LOG_DIR" ]; then echo "ERROR:Specified log directory doesn't exist." 1>&2;
  31                              echo "LOG_DIR is:""$LOG_DIR" 1>&2; exit 1; fi
  32
  33 # Loop until script age exceeds SCRIPT_END.
  34 while [ $SECONDS -lt $SECONDS_END ]; do
  35     # Create log file and first line header if file at LOG_PATH doesn't exist.
  36     if [ ! -f "$LOG_PATH" ]; then
  37         echo "TIME","BTC_BESTBLOCKCOUNT","BTC_BESTBLOCKTIME","BTC_BESTBLOCKHASH","BTC_MEDIANFEE","BTC_TOTALOUTPUT","BTC_TXTOTALSIZE","BTC_TXCOUNT","BTC_TXIN","BTC_TXOUT","BTC_MAXTXFEERATE","BTC_MINTXFEERATE","BITCOINCORE_VERSION" >> "$LOG_PATH";
  38     fi
  39     TIME="$(date +%Y%m%dT%H%M%S%z)"
  40     BITCOINCORE_VERSION="$(bitcoin-cli -version)"
  41     BTC_BESTBLOCKSTATS_JSON="$(bitcoin-cli getblockstats "$(bitcoin-cli getblockcount)" '["height","time","blockhash","medianfee","total_out","total_size","txs","ins","outs","maxfeerate","minfeerate"]')"
  42     BTC_BESTBLOCKCOUNT=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .height' )
  43     BTC_BESTBLOCKTIME_UNIX=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .time' )
  44     BTC_BESTBLOCKTIME=$(date --date=@"$BTC_BESTBLOCKTIME_UNIX" +%Y%m%dT%H%M%S%z )
  45     BTC_BESTBLOCKHASH=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .blockhash' | tr -dc "[:xdigit:]" )
  46     BTC_MEDIANFEE=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .medianfee' )
  47     BTC_TOTALOUTPUT=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .total_out' )
  48     BTC_TXTOTALSIZE=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .total_size' )
  49     BTC_TXCOUNT=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .txs' )
  50     BTC_TXIN=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .ins' )
  51     BTC_TXOUT=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .outs' )
  52     BTC_MAXTXFEERATE=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .maxfeerate' )
  53     BTC_MINTXFEERATE=$(echo "$BTC_BESTBLOCKSTATS_JSON" | jq '. | .minfeerate' )
  54     OUTPUT=$(echo "$TIME","$BTC_BESTBLOCKCOUNT","$BTC_BESTBLOCKTIME","$BTC_BESTBLOCKHASH","$BTC_MEDIANFEE","$BTC_TOTALOUTPUT","$BTC_TXTOTALSIZE","$BTC_TXCOUNT","$BTC_TXIN","$BTC_TXOUT","$BTC_MAXTXFEERATE","$BTC_MINTXFEERATE","$BITCOINCORE_VERSION")
  55     echo "$OUTPUT" >> "$LOG_PATH";
  56     echo "$OUTPUT" >> /dev/random;
  57     sleep 60
  58 done
  59 exit 0