diff options
Diffstat (limited to 'src/utils/assert.ts')
| -rw-r--r-- | src/utils/assert.ts | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/utils/assert.ts b/src/utils/assert.ts index 286105345..e5c9439f3 100644 --- a/src/utils/assert.ts +++ b/src/utils/assert.ts @@ -1,8 +1,10 @@ import * as _ from 'lodash'; -import BigNumber from 'bignumber.js'; import * as Web3 from 'web3'; -import {Web3Wrapper} from '../web3_wrapper'; +import BigNumber from 'bignumber.js'; import {SchemaValidator, Schema} from '0x-json-schemas'; +import {Web3Wrapper} from '../web3_wrapper'; +import {signatureUtils} from '../utils/signature_utils'; +import {ECSignature} from '../types'; const HEX_REGEX = /^0x[0-9A-F]*$/i; @@ -11,6 +13,17 @@ export const assert = { const isBigNumber = _.isObject(value) && (value as any).isBigNumber; this.assert(isBigNumber, this.typeAssertionMessage(variableName, 'BigNumber', value)); }, + isValidBaseUnitAmount(variableName: string, value: BigNumber) { + assert.isBigNumber(variableName, value); + const hasDecimals = value.decimalPlaces() !== 0; + this.assert( + !hasDecimals, `${variableName} should be in baseUnits (no decimals), found value: ${value.toNumber()}`, + ); + }, + isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) { + const isValidSignature = signatureUtils.isValidSignature(orderHash, ecSignature, signerAddress); + this.assert(isValidSignature, `Expected order with hash '${orderHash}' to have a valid signature`); + }, isUndefined(value: any, variableName?: string): void { this.assert(_.isUndefined(value), this.typeAssertionMessage(variableName, 'undefined', value)); }, |