GNOME Widget: ERC-20 token transfer fee price

erc20_transfer_fee.sh

#!/bin/bash

# Description: GNOME Widget for getting the current fee for transfering ERC-20 tokens in ETH mainnet
# Requirement: Use GNOME (in Ubuntu Linux, for example)
# Dependency: Install Argos https://github.com/p-e-w/argos
# Installation: Add your API keys to this file and copy the file into ~/.config/argos.
# Preview: https://ipfs.infura.io:5001/api/v0/cat?arg=QmXbxqwXCzSkQJKdvM6jxkBuKWiSPFc4cMqXMcnDEyxbLy
# Author: Ivan Diaz (github.com/ivandiazwm)

export PATH="/usr/local/bin:$PATH"

DAI_ICON=$(curl -s "https://ipfs.infura.io:5001/api/v0/cat?arg=QmYC2zqVvCQyPg6C7HrmR7oz61FCkZhKhGVuaNv9W2xGVx" | base64 -w 0)

# PUT YOUR ETHGASSTATION.INFO API KEY
ETHGASSTATION_KEY="";

# PUT YOUR ETHERSCAN.IO API KEY
ETHERSCAN_KEY="";

URL=$(echo $ETHGASSTATION_KEY | awk -F '-' '{printf "https://ethgasstation.info/api/ethgasAPI.json?api-key=%s", $1}')
URL2=$(echo $ETHERSCAN_KEY | awk -F '-' '{printf "https://api.etherscan.io/api?module=stats&action=ethprice&apikey=%s", $1}')
AVG_GAS_PRICE=$(curl -s -X GET $URL | jq -r '"\(.average)"')
ETH_PRICE=$(curl -s -X GET $URL2 | jq -r '"\(.result.ethusd)"')
RESULT="$AVG_GAS_PRICE,$ETH_PRICE";

# ERC20 TRANSFER GAS IS 65000
ERC20_TRANSFER_PRICE=$(echo $RESULT | awk -F ',' '{printf "$%0.2f\n", 65000*$1*$2/10000000000}');
echo "$ERC20_TRANSFER_PRICE | image='$DAI_ICON' imageWidth=25 imageHeight=10";