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-rw-r--r--packages/order-utils/src/assert.ts14
1 files changed, 12 insertions, 2 deletions
diff --git a/packages/order-utils/src/assert.ts b/packages/order-utils/src/assert.ts
index 5ac402e7e..a1318b9b8 100644
--- a/packages/order-utils/src/assert.ts
+++ b/packages/order-utils/src/assert.ts
@@ -3,12 +3,12 @@ import { assert as sharedAssert } from '@0xproject/assert';
// tslint:disable-next-line:no-unused-variable
import { Schema } from '@0xproject/json-schemas';
// tslint:disable-next-line:no-unused-variable
-import { ECSignature } from '@0xproject/types';
+import { ECSignature, SignatureType } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as _ from 'lodash';
-import { isValidSignature } from './signature_utils';
+import { utils } from './utils';
export const assert = {
...sharedAssert,
@@ -24,4 +24,14 @@ export const assert = {
`Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
);
},
+ isOneOfExpectedSignatureTypes(signature: string, signatureTypes: SignatureType[]): void {
+ sharedAssert.isHexString('signature', signature);
+ const signatureTypeIndexIfExists = utils.getSignatureTypeIndexIfExists(signature);
+ const isExpectedSignatureType = _.includes(signatureTypes, signatureTypeIndexIfExists);
+ if (!isExpectedSignatureType) {
+ throw new Error(
+ `Unexpected signatureType: ${signatureTypeIndexIfExists}. Valid signature types: ${signatureTypes}`,
+ );
+ }
+ },
};