Documentation about Praos and the HFC/civic time #1320
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amesgen
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I think this is ready for merge as-is (even despite a couple telling TODOs), unless you dislike how I resolved a couple of your comments. |
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| - {DespiteChainGrowthViolation}. | ||
| All of the above must hold even in the presence of a Chain Growth violation, except switching from a chain that violates Chain Growth to one that does not is allowed to violate the RollbackInsensitiveTranslations subcase of ImmutableTranslations. |
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It seems even less likely to me that this was a design goal as opposed to "chain growth violation tolerance in all circumstances" which is discussed in #1320 (comment)
What about just dropping this bullet point? The discussion about how the different HFC designs fare in case of chain growth violations is still useful I think, even if chain growth violation tolerance is/was not a design goal.
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I've long wanted to write down the Cardano-specific instantiation of the Praos protocol theorem.
This is that document, plus some discussions related to work currently in the IOE innovation pipelines as well as some trade-offs I've been struggling to judge regarding the HFC's behaviors in disaster scenarios. The second document elaborates on the HFC concerns.