calculateNxmForEth-eth-steps.js

function calculateNxmForEth (Vt0, ethIn, mcrEth, stepSize) {
  
  let previousV;
  let currentV = Vt0;
  let previousPrice;
  let totalTokens = Decimal(0);

  while (ethIn.gt('0')) {
    const mcrPercentage = currentV.div(mcrEth);
    const currentPrice = getSpotPrice(mcrPercentage, mcrEth);
    if (previousPrice && previousV) {
      const averagePrice = currentPrice.add(previousPrice).div(2);
      const deltaTokens = currentV.sub(previousV).div(averagePrice);
      totalTokens = totalTokens.add(deltaTokens);
    }
    previousV = currentV;
    previousPrice = currentPrice;
    currentV = currentV.add(stepSize);
    ethIn = ethIn.sub(stepSize);
  }

  return totalTokens;
}