Expose the Peerstore about go-libp2p-daemon HOT 7 OPEN

I am not too excited about that.

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PeerInfo is used in LIST_PEERS and in DHT requests.

Sorry but i can't see any use-cases for LIST_PEERS, but i see how it can be used in DHT. But i think its not possible in current version of DHT to obtain list of protocols supported by peer, or i'm wrong? @vyzo

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The protocols are discovered and added to the Peer Store during Identify, there's just currently no trivial way for us to get those known protocols from the Daemon. Right now the only access we have to the Peer Store is LIST_PEERS. I'd like to be able to get this information from the Daemon about a given peer.

I am not too excited about that.

@vyzo is it the usage in LIST_PEERS, or exposing the protocols period?

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You can use identify directly on a peer.

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Unless I am missing something, the only way to currently use identify directly on a peer would be to implement the identify protocol in a daemon client and perform that on a connected peer.

IDENTIFY currently only applies to the daemon itself.

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It's trivial, you just open a stream and read the identify response.

Having said that, we probably want to expose the Peerstore where such information can be obtained.
I don't want to extend the PeerInfo struct though, it's a kludge.

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Exposing the Peerstore would be ideal.

I can create a PR for the proto and Spec additions.

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