@rhino.fi/client-js/src/lib/dvf/token/getSafeQuantizedAmountOrThrow.js

const { Long, toQuantizedAmountBN, fromQuantizedToBaseUnitsBN } = require(
  '@rhino.fi/dvf-utils',
)

module.exports = (baseUnitAmount, tokenInfo) => {
  const quantisedAmount = toQuantizedAmountBN(tokenInfo, baseUnitAmount)

  if (quantisedAmount.isLessThan(1)) {
    throw new Error(
      `Amount too small, got: ${baseUnitAmount}, allowed minumum: `
        + `${fromQuantizedToBaseUnitsBN(tokenInfo, 1)}`,
    )
  }

  if (quantisedAmount.isGreaterThan(Long.MAX_VALUE)) {
    throw new Error(
      `Amount too large, got: ${baseUnitAmount} allowed minumum: `
        + `${fromQuantizedToBaseUnitsBN(tokenInfo, Long.MAX_VALUE)}`,
    )
  }

  return quantisedAmount
}