Crawl block fees paid to miners

crawl_block_fee.sh

#!/bin/bash
#
# requirements: bash, up-to-date dogecoind with -txindex, jq, bc
# usage: ./crawl_block_fee.sh <number of blocks to look back>

START=`dogecoin-cli getbestblockhash`
NUM_BLOCKS=$1

CUR=$START
COUNTER=$NUM_BLOCKS

while [ $COUNTER -gt 0 ]; do
  JSON=`dogecoin-cli getblock $CUR true`
  HEIGHT=`echo $JSON | jq -r .height`
  HASH=`echo $JSON | jq -r .hash`
  TIME=`echo $JSON | jq -r '.time | todate'`
  COINBASE_TXID=`echo $JSON | jq -r '.tx[0]'`
  COINBASE=`dogecoin-cli getrawtransaction $COINBASE_TXID true`
  MINER_FEES=`echo $COINBASE | jq -r '.vout | map(.value) | join(" + ")'`
  TOTAL_FEE=`echo $MINER_FEES | bc`
  
  echo $TIME $HEIGHT $HASH $TOTAL_FEE;
  
  CUR=`echo $JSON | jq -r .previousblockhash`
  COUNTER=`expr $COUNTER - 1`
done;