chore: tests maker hooks (#15)

* chore: tests maker hooks

* Update swap-vm.spec.ts

* fix(swap-vm): taker traits correct decode

Author: vbrvk

typescript/swap-vm/src/swap-vm/taker-traits.ts

@@ -173,7 +173,7 @@ export class TakerTraits {
   static decode(packed: HexString): TakerTraits {
     const iter = BytesIter.BigInt(packed.toString())
 
-    const offsets = Array.from({ length: 9 }, () => Number(iter.nextUint16()))
+    const offsets = Array.from({ length: 9 }, () => Number(iter.nextUint16())).reverse()
     const flags = new BN(iter.nextUint16())
 
     const dataStr = trim0x(packed.toString()).slice(40)