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authorFabio Berger <me@fabioberger.com>2018-06-02 02:34:12 +0800
committerFabio Berger <me@fabioberger.com>2018-06-02 02:34:12 +0800
commit8cd4578d839c4311ff69ce9bb0245867e25dcf6d (patch)
treea2588e41113fa5eb41f7528ad237368bb62d967e /packages/order-utils/src/assert.ts
parent152082e1820f89bf65e99b5b3ecfe9d3946e3148 (diff)
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Add signature specific validation methods, and other refactors
Diffstat (limited to 'packages/order-utils/src/assert.ts')
-rw-r--r--packages/order-utils/src/assert.ts14
1 files changed, 13 insertions, 1 deletions
diff --git a/packages/order-utils/src/assert.ts b/packages/order-utils/src/assert.ts
index 07cde453a..a1318b9b8 100644
--- a/packages/order-utils/src/assert.ts
+++ b/packages/order-utils/src/assert.ts
@@ -3,11 +3,13 @@ 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 { utils } from './utils';
+
export const assert = {
...sharedAssert,
async isSenderAddressAsync(
@@ -22,4 +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}`,
+ );
+ }
+ },
};