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multi: Integrate mixpool and propagate p2p mixing messages #3208

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merged 1 commit into from
May 15, 2024

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@jrick jrick commented Nov 7, 2023

This commit adds the mixing message pool to the server and listens for all
peer-to-peer mixing messages broadcast on the network. If these messages are
able to be accepted to the mixpool, they are relayed to other peers through
the inventory system, and notified to RPC clients.

This commit also also adds support for publishing and receiving mix messages
over JSON-RPC for non-SPV wallet clients.

Requires #3207.
Requires #3082.

@jrick jrick force-pushed the mixing_server branch 3 times, most recently from 14218d5 to a379d96 Compare November 8, 2023 17:36
@jrick jrick force-pushed the mixing_server branch 3 times, most recently from 02673d2 to fea21bd Compare March 20, 2024 13:56
@jrick jrick changed the title peer,main: propagate p2p mixing messages multi: Integrate mixpool and propagate p2p mixing messages May 7, 2024
@jrick jrick force-pushed the mixing_server branch 13 times, most recently from 4fda613 to 1fe24e6 Compare May 15, 2024 15:57
@davecgh davecgh added this to the 2.0.0 milestone May 15, 2024
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wsc.blake256HaserMu.Unlock()
//hash := msg.Hash()

err = wsc.rpcServer.cfg.SyncMgr.SubmitMixMessage(msg)
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Shouldn't this be returning all of the accepted messages (because orphans can be added) and then relaying them all?

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Probably.. but the ordering issues aren't so relevant to rpc clients who can/will send them in the proper order. I don't think I've ever seen dcrd reject a KE from a rpc-mode wallet because the PR was unknown. I intentionally also increased the time it takes to expire PRs out of dcrd's mixpool, so they would not be removed from underneath the wallet.

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Leaving unresolved for now. It's not a big issue for now and we can add it later.


wsc.rpcServer.cfg.ConnMgr.RelayMixMessages([]mixing.Message{msg})

wsc.rpcServer.ntfnMgr.NotifyMixMessage(msg)
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Similarly, this should be notifying of all accepted mix messages in the order they were accepted (which is what is returned from mixpool.AcceptMessage).

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Leaving unresolved for now. It's not a big issue for now and we can add it later.

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Looks good to go. I did some light simnet testing of the RPC server after the updates:

$ ./ctl -l | grep -E 'sendrawmix|mixpair'
getmixpairrequests
sendrawmixmessage "command" "message"
$ ./ctl sendrawmixmessage
sendrawmixmessage command: wrong number of params (expected 2, received 1) (ErrNumParams)
Usage:
  sendrawmixmessage "command" "message"
$ ./ctl sendrawmixmessage foo 0a
-8: Unrecognized mixing message wire command string "foo"
$ ./ctl getmixpairrequests
[]

Feel free to squash it down and we can get it merged. 🎉

This commit adds the mixing message pool to the server and listens for all
peer-to-peer mixing messages broadcast on the network.  If these messages are
able to be accepted to the mixpool, they are relayed to other peers through
the inventory system, and notified to RPC clients.

This commit also also adds support for publishing and receiving mix messages
over JSON-RPC for non-SPV wallet clients.
@davecgh davecgh merged commit 7bd8f66 into decred:master May 15, 2024
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@jrick jrick deleted the mixing_server branch May 15, 2024 21:55
@davecgh davecgh added the rpc server api change Issues and/or pull requests that involve a new RPC server version or breaking to change to the API. label May 15, 2024
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2 participants