rules+session_rpc: use existing privacy mapper for obfuscating rules of linked sessions #637
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New fixes looks good 🚀 !
Leaving some suggestions for the PrivacyMapPairs.Add that's non-blocking, and one small issue that I think should be fixed.
Amazed at the speed you're implementing these fixes @ellemouton, it's incredibly impressive 😃!!
This commit adds a new FetchAllPairs to the PrivacyMapTx interface. This method returns a new PrivacyMapPairs struct which is an in-memory privacy map DB. The PrivacyMapPairs struct implements a new PrivacyMapReader interface which can be used to pass around read only access to the PrivacyMapPairs struct.
This commit expands the RealToPseudo methods to take in a privacy map db reader. This allows the methods to check if the privacy map db already contains an entry for a "real" string before generating a new one. For now, only an empty PrivacyMapReader is ever provided to the RealToPseudo call. This will be changed in the following commit.
In this commit, we keep track of all known privacy map pairs for a session along with any new pairs to be persisted.
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In this PR, we ensure that if we are linking a session to a previous one, that we extract any existing real-to-pseudo pairs from the privacy map DB instead of generating new ones.