Brett Sun 9319583ab4 Remove Asset and AssetLink (#982)
* Remove asset.validate_asset and move its validation checks to other areas

* Move Asset.get_asset_id to Transaction

* Remove Asset and AssetLink models

* Add test against creating TRANSFER transactions with bad asset
2016-12-22 10:19:21 +01:00
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2016-12-20 17:28:15 +01:00