message: discounts can't be zero
diff: @@ -98,15 +98,15 @@ export class BlockstackNamespace {
  }
  setNonalphaDiscount(nonalphaDiscount: number) {
  - if (nonalphaDiscount < 0 || nonalphaDiscount > 15) {
  - throw new Error('Invalid nonalphaDiscount: must be a 4-bit number')
  + if (nonalphaDiscount <= 0 || nonalphaDiscount > 15) {
  + throw new Error('Invalid nonalphaDiscount: must be a positive 4-bit number')
  }
  this.nonalphaDiscount = nonalphaDiscount
  }
  setNoVowelDiscount(noVowelDiscount: number) {
  - if (noVowelDiscount < 0 || noVowelDiscount > 15) {
  - throw new Error('Invalid noVowelDiscount: must be a 4-bit number')
  + if (noVowelDiscount <= 0 || noVowelDiscount > 15) {
  + throw new Error('Invalid noVowelDiscount: must be a positive 4-bit number')
  }
  this.noVowelDiscount = noVowelDiscount
  }
  