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refactor: P2P transport without serialize version and type#28892

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fanquake merged 4 commits intobitcoin:masterfrom
maflcko:2311-p2p-no-nVersion-
Nov 28, 2023
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refactor: P2P transport without serialize version and type#28892
fanquake merged 4 commits intobitcoin:masterfrom
maflcko:2311-p2p-no-nVersion-

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@maflcko maflcko commented Nov 16, 2023

Now that the serialize framework ignores the serialize version and serialize type, everything related to it can be removed from the code.

This is the first step, removing dead code from the P2P stack. A different pull will remove it from the wallet and other parts.

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DrahtBot commented Nov 16, 2023 •
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Conflicts

Reviewers, this pull request conflicts with the following ones:

  • #28463 (p2p: Increase inbound capacity for block-relay only connections by mzumsande)
  • #27826 (validation: log which peer sent us a header by Sjors)
  • #26326 (net: don't lock cs_main while reading blocks in net processing by andrewtoth)
  • #21515 (Erlay: bandwidth-efficient transaction relay protocol by naumenkogs)
  • #10102 (Multiprocess bitcoin by ryanofsky)

If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.

@DrahtBot DrahtBot changed the title refactor: P2P transport without serialize version and type refactor: P2P transport without serialize version and type Nov 16, 2023
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ajtowns
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src/net_processing.cpp Outdated
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@ajtowns ajtowns Nov 17, 2023 •
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Why not const NetMsgMaker msgMaker; with no curly brackets?

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I like {}, because it has many benefits:

  • No need for code readers to waste brain cycles on thinking whether an initialization was missed
  • A smaller --word-diff-regex=., when in the future a designated initializer or constructor argument is added
  • I looks nice

MarcoFalke added 2 commits November 17, 2023 14:38
refactor: VectorWriter without nVersion
fa0ed07 
The field is unused, so remove it.

This is also required for future commits.
Remove unused Make() overload in netmessagemaker.h
66669da
@maflcko maflcko force-pushed the 2311-p2p-no-nVersion- branch from fa96619 to fade05b Compare November 17, 2023 13:44
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sipa commented Nov 17, 2023

utACK fade05b27348f18d1f9cf8c0b5cc26eaffe6b452

I'm also ok with a commit in this PR to drop NetMsgMaker entirely.

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ajtowns commented Nov 17, 2023

ACK fade05b27348f18d1f9cf8c0b5cc26eaffe6b452

@fanquake fanquake requested a review from theuni November 17, 2023 15:42
@maflcko maflcko force-pushed the 2311-p2p-no-nVersion- branch 2 times, most recently from 3333fdf to fa3e1ff Compare November 17, 2023 16:11
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maflcko commented Nov 17, 2023

Removed the class and replaced it with a template function in a namespace to address the feedback of both reviewers (Thanks!)

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@maflcko maflcko force-pushed the 2311-p2p-no-nVersion- branch from fa3e1ff to dddd999 Compare November 19, 2023 13:12
@DrahtBot DrahtBot mentioned this pull request Nov 19, 2023
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ajtowns
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@ajtowns
refactor: NetMsg::Make() without nVersion
fa9b5f4 
The nVersion field is unused, so remove it.

This is also required for future commits.

Also, add PushMessage aliases in PeerManagerImpl to make calling code
less verbose.

Co-Authored-By: Anthony Towns <[email protected]>
@maflcko maflcko force-pushed the 2311-p2p-no-nVersion- branch from dddd999 to fafd5e5 Compare November 20, 2023 13:06
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ACK fafd5e5becf035426a45179ff592c11ccf2d5da5

@DrahtBot DrahtBot requested a review from sipa November 22, 2023 00:58
@DrahtBot DrahtBot mentioned this pull request Nov 22, 2023
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@maflcko maflcko force-pushed the 2311-p2p-no-nVersion- branch from fafd5e5 to fa79a88 Compare November 23, 2023 12:44
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ajtowns commented Nov 27, 2023

reACK fa79a88

@fanquake fanquake merged commit c252a0f into bitcoin:master Nov 28, 2023
@maflcko maflcko deleted the 2311-p2p-no-nVersion- branch November 28, 2023 11:39
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