Gas Price Utility Function

gp() {
  if [ $# -eq 0 ]
  then
    echo Gas price is $(echo $ETH_GAS_PRICE / 1000000000 | bc) Gwei
    return
  elif [ "$1" = "fast" ]
  then
    GAS_GWEI=$(curl -s "https://api.etherscan.io/api?module=gastracker&action=gasoracle&apikey=APIKEY" | jq -r .result.FastGasPrice)
  elif [ "$1" = "trade" ]
  then
    FAST_GAS=$(curl -s "https://api.etherscan.io/api?module=gastracker&action=gasoracle&apikey=APIKEY" | jq -r .result.FastGasPrice)
    GAS_GWEI=$(echo "$FAST_GAS + 10" | bc)
  else
    GAS_GWEI=$1
  fi
  export ETH_GAS_PRICE=${GAS_GWEI}000000000
  echo Setting gas to $GAS_GWEI GWei
}