diff options
Diffstat (limited to 'packages/0x.js/src/0x.ts')
| -rw-r--r-- | packages/0x.js/src/0x.ts | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/packages/0x.js/src/0x.ts b/packages/0x.js/src/0x.ts index 7393cc814..a18f1fc55 100644 --- a/packages/0x.js/src/0x.ts +++ b/packages/0x.js/src/0x.ts @@ -128,7 +128,7 @@ export class ZeroEx { * @return The amount in units. */ public static toUnitAmount(amount: BigNumber, decimals: number): BigNumber { - assert.isBigNumber('amount', amount); + assert.isValidBaseUnitAmount('amount', amount); assert.isNumber('decimals', decimals); const aUnit = new BigNumber(10).pow(decimals); @@ -149,6 +149,10 @@ export class ZeroEx { const unit = new BigNumber(10).pow(decimals); const baseUnitAmount = amount.times(unit); + const hasDecimals = baseUnitAmount.decimalPlaces() !== 0; + if (hasDecimals) { + throw new Error(`Invalid unit amount: ${amount.toString()} - Too many decimal places`); + } return baseUnitAmount; } /** |