Merge branch 'development' into feature/website/top-bar-redesign

* development: (63 commits)
  Update The Ocean logo
  Fix artifacts paths
  Create an artifacts folder
  Introduce a var
  Add removeHexPrefix util method
  CHeck if ABI exists
  Improve the readability of the check for should compile
  Use named constants
  Add a comment
  Fix comments
  Rename args to constructor-args
  Fix a typo
  Define a separator const
  Move artifacts from src/artifacts to artifacts/v1
  Fix sol-cov to work with the new artifacts format
  Implement new artifacts format
  Publish
  Updated CHANGELOGS
  Make node types a dependency
  Fix type errors in CSS properties
  ...

1 files changed, 27 insertions, 0 deletions

diff --git a/packages/order-utils/src/assert.ts b/packages/order-utils/src/assert.ts
new file mode 100644
index 000000000..5ac402e7e
--- /dev/null
+++ b/packages/order-utils/src/assert.ts
@@ -0,0 +1,27 @@
+import { assert as sharedAssert } from '@0xproject/assert';
+// We need those two unused imports because they're actually used by sharedAssert which gets injected here
+// 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 { BigNumber } from '@0xproject/utils';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+import * as _ from 'lodash';
+
+import { isValidSignature } from './signature_utils';
+
+export const assert = {
+    ...sharedAssert,
+    async isSenderAddressAsync(
+        variableName: string,
+        senderAddressHex: string,
+        web3Wrapper: Web3Wrapper,
+    ): Promise<void> {
+        sharedAssert.isETHAddressHex(variableName, senderAddressHex);
+        const isSenderAddressAvailable = await web3Wrapper.isSenderAddressAvailableAsync(senderAddressHex);
+        sharedAssert.assert(
+            isSenderAddressAvailable,
+            `Specified ${variableName} ${senderAddressHex} isn't available through the supplied web3 provider`,
+        );
+    },
+};