Add rate precision function to IFeed

aragon / ppf

GNU General Public License v3.0

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Add rate precision function to IFeed #28

Closed facuspagnuolo closed 5 years ago

facuspagnuolo commented 5 years ago

MERGE AFTER https://github.com/aragon/ppf/pull/27

Adding a ratePrecision function to IFeed allowing price feed implementations to tell which minimum rate precision they are using for the exchange rates being provided.