Print a taproot signalling block diagram

taproot.sh

#!/bin/bash
BLOCKCHAININFO=$(bitcoin-cli getblockchaininfo)
BLOCKS=$(echo "$BLOCKCHAININFO" | jq .blocks)
TAPROOT=$(echo "$BLOCKCHAININFO" | jq .softforks.taproot.bip9)
SINCE=$(echo "$TAPROOT" | jq .since)
PERIOD=$(echo "$TAPROOT" | jq .statistics.period)
BLOCKS=$(echo "$BLOCKCHAININFO" | jq .blocks)
PERIOD_COUNT=$(((BLOCKS - SINCE) / PERIOD))
SINCE=$((SINCE + (PERIOD * PERIOD_COUNT)))
ELAPSED=$(echo "$TAPROOT" | jq .statistics.elapsed)

echo && echo "Printing graph for $ELAPSED of $PERIOD blocks in this period:" && echo
for BLOCK in $(seq "$SINCE" $((SINCE + ELAPSED - 1))); do
  HASH=$(bitcoin-cli getblockhash "$BLOCK")
  HEADER=$(bitcoin-cli getblockheader "$HASH")
  VERSION=$(echo "$HEADER" | jq .version)
  SIGNAL=$(((VERSION & 3758096388) == 536870916))
  if [[ "$1" == "watch" ]]; then
    case $SIGNAL in
      (0) echo -e -n "\033[1;31m▅\033[0m";;
      (1) echo -e -n "\033[1;32m▅\033[0m";;
    esac
  else
    case $SIGNAL in
      (0) echo -n "🟥";;
      (1) echo -n "🟩";;
    esac
  fi
  if ((($BLOCK + 1) % 48 == 0)); then echo; fi
done
echo

PERCENTAGE=`echo $BLOCKCHAININFO | jq '.softforks.taproot.bip9.statistics | .count / .elapsed * 100'`

export PERIOD=$PERIOD
export SIGNAL=`echo $BLOCKCHAININFO | jq '.softforks.taproot.bip9.statistics.count'`
SIGNAL_OVERALL=$(python3 -c "import os; percent = int(os.environ['SIGNAL']) / int(os.environ['PERIOD']); print(round(percent*100, 2))")
export NON_SIGNAL=`echo $BLOCKCHAININFO | jq '.softforks.taproot.bip9.statistics | .elapsed - .count'`
NON_SIGNAL_OVERALL=$(python3 -c "import os; print( round(int(os.environ['NON_SIGNAL']) / int(os.environ['PERIOD']), 4) * 100 )")

echo && echo "---" && echo

echo "> $SIGNAL signaling blocks (${SIGNAL_OVERALL}%)  |  $NON_SIGNAL non-signaling blocks (${NON_SIGNAL_OVERALL}%)"

WILL_LOCK="will lock in"
if (( $(echo "$PERCENTAGE 90" | awk '{print ($1 < $2)}') )); then WILL_LOCK="will not lock in"; fi
printf "> Taproot \033[1m${WILL_LOCK}\033[0m with current signaling ratio: %.2f%% (90%% required)\n" $PERCENTAGE

echo
if (( $(echo "$NON_SIGNAL_OVERALL 10" | awk '{print ($1 > $2)}') )); then
  echo -e "\033[1mTaproot WILL NOT lock in for this period.\033[0m"
elif (( $(echo "$SIGNAL_OVERALL 90" | awk '{print ($1 > $2)}') )); then
  echo -e "\033[1mTaproot WILL lock in for this period.\033[0m"
else
  echo -e "\033[1mTaproot MAY STILL lock in for this period.\033[0m"
fi