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watchtower: automatically create tor hidden service if enabled #4087

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merged 3 commits into from
Mar 30, 2020

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Crypt-iQ
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@Crypt-iQ Crypt-iQ commented Mar 17, 2020

Picks up where #3613 left off. I think I gave credit correctly to @orbitalturtle by adding them as a Co-author in the first commit message. The old PR created two TorContollers, one in the server, one in the watchtower server. Now, a TorController is instead created in lnd.go and passed to both subsystems to avoid creating multiple connections to Tor's ControlPort.

Closes #3302

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Crypt-iQ commented Mar 24, 2020

Updated the PR to address the comments, and also included a blurb in docs/watchtower.md about setting up watchtowers with hidden services automatically.

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@wpaulino wpaulino left a comment

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Looks good to me, just some final minor comments.

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Linter is complaining, but LGTM otherwise.

lnd.go:488:21: ST1005: error strings should not be capitalized (stylecheck)
			err := fmt.Errorf("Unable to initialize tor controller: %v", err)

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Crypt-iQ and others added 2 commits March 29, 2020 11:54
This commit lets the watchtower automatically create hidden services
by giving it a pointer to a TorController. The server was also slightly
refactored so that it was not the sole owner of the TorController.
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LGTM

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@Roasbeef Roasbeef merged commit 90dfb97 into lightningnetwork:master Mar 30, 2020
@Crypt-iQ Crypt-iQ deleted the wt_hs_0310 branch March 31, 2020 00:16
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watchtower: use tor controller to configure hidden service automatically
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