taproot.sh

#!/bin/bash
# based on https://gist.github.com/mutatrum/264cfa84af5fc3dc0b107bcb3ba10893
BLOCKCHAININFO=`bitcoin-cli getblockchaininfo`
TAPROOT=`echo $BLOCKCHAININFO | jq .softforks.taproot.bip9`
SINCE=`echo $TAPROOT | jq .since`
ELAPSED=`echo $TAPROOT | jq .statistics.elapsed`
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))
  case $SIGNAL in
    (1) echo -n "$(tput setaf 2)■";;
    (0) echo -n "$(tput setaf 1)■";;
  esac
done
echo -e "\e[0m"