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Canonical snapshots #1664

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@jasagredo jasagredo commented Sep 4, 2025 •
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Closes #1574

This was referenced Sep 4, 2025
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@jasagredo jasagredo force-pushed the js/non-native-snapshots branch from e8490ea to c70a787 Compare September 4, 2025 13:29
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jasagredo commented Sep 4, 2025 •
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I plan on merging this as a PR stack:

@jasagredo jasagredo changed the title Non-native snapshots Canonical snapshots Sep 4, 2025
@jasagredo jasagredo changed the base branch from main to js/extract-2 September 4, 2025 16:44
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@jasagredo jasagredo self-assigned this Sep 19, 2025
@jasagredo jasagredo moved this to 🏗 In progress in Consensus Team Backlog Sep 19, 2025
@jasagredo jasagredo mentioned this pull request Sep 22, 2025
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@jasagredo jasagredo force-pushed the js/non-native-snapshots branch from 575d1fd to 900b804 Compare September 25, 2025 09:49
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@jasagredo jasagredo changed the base branch from main to js/expose-for-node October 29, 2025 12:11
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dnadales
dnadales reviewed Oct 29, 2025
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...-consensus-cardano/src/snapshot-conversion/Ouroboros/Consensus/Cardano/SnapshotConversion.hs
-- ^ The backend used for the output snapshot, to write it in the metadata
}

data SomeBackend c where
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I wonder if c is the best name. We also used to use c for the Crypto parameter.

...-consensus-cardano/src/snapshot-conversion/Ouroboros/Consensus/Cardano/SnapshotConversion.hs
, outDeleteExtra :: Maybe FilePath
-- ^ In case some other directory needs to be wiped out
, outProgressMsg :: String
-- ^ A progress message (just for displaying)
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This might require further elaboration: how would this be displayed and for which purpose.

...-consensus-cardano/src/snapshot-conversion/Ouroboros/Consensus/Cardano/SnapshotConversion.hs
IO (SomeBackend SinkArgs)
-- ^ Sink arguments for consuming a stream of TxOuts
, outDeleteExtra :: Maybe FilePath
-- ^ In case some other directory needs to be wiped out
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This sound scary :) In which situations will this option be used?

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Allow to create snapshot in non-native format

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