I hope to fix react+nodejs my code with mysql problem + add function

i have souce code node+react but mysql connection is not comfortable. because the url problem and i need to add flow function assets : BTC,ETH,EOS. this also i made it. just add this function. if you can fix today to this problem, i can give you this project… (Budget: $30 – $250 USD, Jobs: JavaScript, MySQL, Node.js, React.js)