Dan Newton 5ceb61606a VaultTrack returns undesired states #3276 (#3336)
* filter by contract state in _trackBy

* write tests to check that _trackBy is filtering the states correct and tidy up filtering functions

* remove un needed function

* add change log message for filtering unrelated ContractStates from trackBy
2018-06-11 17:53:31 +01:00
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2018-05-17 12:53:38 +01:00