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Allow pow to be disabled by default in chainweb versions #2160

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Allow pow to be disabled by default in chainweb versions #2160

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4 changes: 2 additions & 2 deletions src/Chainweb/Chainweb/Configuration.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -596,7 +596,7 @@ parseVersion = constructVersion
)
<*> optional (textOption @Fork (long "fork-upper-bound" <> help "(development mode only) the latest fork the node will enable"))
<*> optional (BlockDelay <$> textOption (long "block-delay" <> help "(development mode only) the block delay in seconds per block"))
<*> switch (long "disable-pow" <> help "(development mode only) disable proof of work check")
<*> optional (switch (long "disable-pow" <> help "(development mode only) disable proof of work check"))

@larskuhtz larskuhtz May 7, 2025

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Is there a reason why parseVersion is not following the idiom for command lines parers from configuration-tools that is used everywhere else in Chainweb node? That idiom would prevent bugs like this one.

I guess, and configuration of ChainwebVersion is special and doesn't fit that pattern? Or is it just an oversight?

@edmundnoble edmundnoble May 8, 2025

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Yes the weirdness here is that we parse the chainweb version, and then we parse a bunch of options that also alter this chainweb version.

where
constructVersion cliVersion fub bd disablePow' oldVersion = winningVersion
& versionBlockDelay .~ fromMaybe (_versionBlockDelay winningVersion) bd
Expand All @@ -612,6 +612,6 @@ parseVersion = constructVersion
)
(HS.toMap (chainIds winningVersion))
) fub
& versionCheats . disablePow .~ disablePow'
& versionCheats . disablePow %~ flip fromMaybe disablePow'
where
winningVersion = fromMaybe oldVersion cliVersion