citadel

My dotfiles, scripts and nix configs
git clone git://jb55.com/citadel
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btc-tx-cost (481B)

      1 #!/usr/bin/env bash
      2 
      3 usage () {
      4   printf "usage: %s <inputs> <outputs> <sat/b>" "$0"
      5   exit 1
      6 }
      7 
      8 [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] && usage
      9 
     10 inputs="$1"
     11 outputs="$2"
     12 satsb="$3"
     13 
     14 
     15 btc=$(printf "(%d * 180 + %d * 34 + 10) * %d * 0.00000001 \n" \
     16        "$inputs" "$outputs" "$satsb" | bc -l)
     17 
     18 mbtc=$(printf "%f * 1000\n" "$btc" | bc -l)
     19 
     20 price=$(btc)
     21 cad=$(printf "%f * %f\n" "$btc" "$price" | bc -l)
     22 
     23 printf "%f BTC\n%f mBTC\n%f CAD (@ ${price}/btc)\n" "$btc" "$mbtc" "$cad"