Add signature specific validation methods, and other refactors

1 files changed, 9 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..3b465cece
--- /dev/null
+++ b/packages/order-utils/src/utils.ts
@@ -0,0 +1,9 @@
+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;
+    },
+};