Merge branch 'v2-prototype' into update-lerna

* v2-prototype: (48 commits)
  Update CHANGELOG
  Rename call data schema id to CallData. Check for TypedArray when hashing data in order-utils crypto
  Fix broken links in sol-cov documentation
  Fix 0x.js ts warnings
  Update yarn.lock
  Fix 0x.js ts warnings
  Fix 0x.js tests on CI
  Fix a bad merge
  Update package versions
  Merge
  Update changelogs
  Add a test for ERC721 Allowance
  Use allowance instead of approval for all in fill-scenarios
  Upgrade sha3 to 1.2.2 to work with node v10
  Check if the token doesn't exist before minting in fill scenarios
  Make downlevelIteration a global config
  Fix tests descriptions
  DRY up the code in order-watcher collision-resistant abi decoder
  Await transactions in fillScenarios
  Rename decodeAssetData to decodeAssetDataOrThrow
  ...

1 files changed, 9 insertions, 3 deletions

diff --git a/packages/order-watcher/src/utils/assert.ts b/packages/order-watcher/src/utils/assert.ts
index 4a1441474..a891a60d2 100644
--- a/packages/order-watcher/src/utils/assert.ts
+++ b/packages/order-watcher/src/utils/assert.ts
@@ -5,13 +5,19 @@ import { Schema } from '@0xproject/json-schemas';
 import { ECSignature } from '@0xproject/types';
 import { BigNumber } from '@0xproject/utils';
 // tslint:enable:no-unused-variable
+import { Provider } from 'ethereum-types';
 
-import { isValidSignature } from '@0xproject/order-utils';
+import { isValidSignatureAsync } from '@0xproject/order-utils';
 
 export const assert = {
     ...sharedAssert,
-    isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string): void {
-        const isValid = isValidSignature(orderHash, ecSignature, signerAddress);
+    async isValidSignatureAsync(
+        provider: Provider,
+        orderHash: string,
+        signature: string,
+        signerAddress: string,
+    ): Promise<void> {
+        const isValid = await isValidSignatureAsync(provider, orderHash, signature, signerAddress);
         assert.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
     },
 };