Merge branch 'development'

1 files changed, 22 insertions, 0 deletions

diff --git a/packages/order-utils/src/utils.ts b/packages/order-utils/src/utils.ts
new file mode 100644
index 000000000..7aaaf0609
--- /dev/null
+++ b/packages/order-utils/src/utils.ts
@@ -0,0 +1,22 @@
+import { BigNumber } from '@0xproject/utils';
+
+export const utils = {
+    getSignatureTypeIndexIfExists(signature: string): number {
+        // tslint:disable-next-line:custom-no-magic-numbers
+        const signatureTypeHex = signature.slice(-2);
+        const base = 16;
+        const signatureTypeInt = parseInt(signatureTypeHex, base);
+        return signatureTypeInt;
+    },
+    getCurrentUnixTimestampSec(): BigNumber {
+        const milisecondsInSecond = 1000;
+        return new BigNumber(Date.now() / milisecondsInSecond).round();
+    },
+    getPartialAmount(numerator: BigNumber, denominator: BigNumber, target: BigNumber): BigNumber {
+        const fillMakerTokenAmount = numerator
+            .mul(target)
+            .div(denominator)
+            .round(0);
+        return fillMakerTokenAmount;
+    },
+};