[Feature]: Add asset variance check

[JonRay15]

Feature Overview

In order to ensure assets are never created or destroyed as they were in the spot market order bug
We will add checks to teh Core
So that this never happens again

Specs

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Tasks

A checklist of the tasks that are needed to develop the feature and meet the acceptance criteria and feature test scenarios.

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Feature test scenarios

Detailed scenarios that can be executed as feature tests to verify that the feature has been implemented as expected.

GIVEN (setup/context)
WHEN (action)
THEN (assertion) For example...
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Additional Details (optional)

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