103 lines
2.5 KiB
Markdown
103 lines
2.5 KiB
Markdown
lightning-downgrade -- Tool to revert core lightning to an older version
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========================================================================
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SYNOPSIS
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--------
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```bash
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lightning-downgrade [ARGUMENTS]...
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```
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DESCRIPTION
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-----------
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**lightning-downgrade** reverts an upgrade by modifying the `lightningd`
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database back the prior version. `lightningd` must **not** be running
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at the time.
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A downgrade may not be possible if a new feature has been used that would
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be incompatible with an older version. In this case the downgrade will fail
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with a message and nothing will be changed.
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Use the latest `lightning-downgrade` to downgrade. For example, the `v25.12` lightning-downgrade won't know how to downgrade `v26.06`.
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All minor versions are compatible, so a downgrade to v25.09 will work
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fine with v25.09.1 or v25.09.2, etc.
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VERSIONS
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--------
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* *v25.12*: downgrades to v25.09.
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Downgrade is not possible if `withhold` `true` has been used with `fundchannel_complete`, or if `askrene-bias-node` has been used.
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* *v25.09*: downgrade is not supported.
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OPTIONS
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-------
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* **--lightning-dir**=*DIR*
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Set the directory for the lightning daemon we're talking to; defaults to
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*$HOME/.lightning*.
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* **--conf**=*PATH*
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Sets configuration file (default: **lightning-dir**/*config* ).
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* **--network**=*network*
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* **--mainnet**
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* **--testnet**
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* **--testnet4**
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* **--signet**
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* **--regtest**
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Sets network explicitly.
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* **--rpc-file**=*FILE*
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Named pipe to use to talk to lightning daemon: default is
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*lightning-rpc* in the lightning directory.
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* **wallet**=*DSN*
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Identify the location of the wallet. See lightningd-config(5) for details.
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* **--help**/**-h**
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Pretty-print summary of options to standard output and exit. The format can
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be changed using `-F`, `-R`, `-J`, `-H` etc.
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* **--version**/**-V**
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Print version number to standard output and exit.
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BUGS
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----
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You should report bugs on our github issues page, and maybe submit a fix
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to gain our eternal gratitude!
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AUTHOR
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------
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Rusty Russell [rusty@rustcorp.com.au](mailto:rusty@rustcorp.com.au) wrote the initial version of **lightning-downgrade** and this man page.
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SEE ALSO
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--------
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lightningd(8), lightningd-config(5)
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RESOURCES
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---------
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Main web site: [https://github.com/ElementsProject/lightning](https://github.com/ElementsProject/lightning)
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COPYING
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-------
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Note: the modules in the ccan/ directory have their own licenses, but
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the rest of the code is covered by the BSD-style MIT license.
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Main web site: [https://github.com/ElementsProject/lightning](https://github.com/ElementsProject/lightning)
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