web-app-server-bundle.js

const calculate = ({ degrees, sourceUnit }) => {
  const formulas = {
    'C': degrees => degrees * 9 / 5 + Math.pow(2, 5),
    'F': degrees => (degrees - 32) * 5 / 9
  };

  const formula = formulas[sourceUnit] || formulas['C'];
  const result = formula(degrees);
  console.log(`▇⛓☀️ Blockchain calculation performed. degrees [${degrees}]. sourceUnit [${sourceUnit}]. result [${result}]`);
  return result;
};

const convertToFahrenheit = degreesCelcius => {
  const sourceUnit = 'C';
  return calculate({ degrees: degreesCelcius, sourceUnit });
};

const convertToCelsius = degreesFahrenheit => {
  const sourceUnit = 'F';
  return calculate({ degrees: degreesFahrenheit, sourceUnit });
};