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Feature/topic negotiation #1466

Merged
merged 4 commits into from
Jun 19, 2019
Merged

Feature/topic negotiation #1466

merged 4 commits into from
Jun 19, 2019

Commits on Jun 13, 2019

  1. Add topic negotiation 

    This commit add topic negotiation to the protocol.

On receiving a message from a client with version >= 1, we will generate
a shared key using Diffie-Hellman. We will record also which
installationID has sent us a message.

This key will be passed back to the above layer, which will then use to
start listening to a whisper topic (the `chat` namespace has no
knowledge of whisper).

When sending a message to a set of InstallationIDs, we check whether we
have agreed on a topic with all of them, and if so, we will send on this
separate topic, otherwise we fallback on discovery.

This change is backward compatible, as long as there is no downgrade of
the app on the other side.

A few changes:

* Factored out the DB in a separate namespace as now it is
being used by multiple services (TopicService and EncryptionService).

* Factored out multidevice management in a separate namespace

* Moved all the test to test the whole protoocl rather than just the encryption service

* Moved all the filter management in status-go
    @cammellos
    cammellos committed Jun 13, 2019
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  2. Add protocol version to bundle

    @cammellos
    cammellos committed Jun 13, 2019
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  3. Add support for partitioned topic

    @cammellos
    cammellos committed Jun 13, 2019
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  4. Publish contact code periodically

    @cammellos
    cammellos committed Jun 13, 2019
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