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Support for responding to a LocalStateQuery demand for a snapshot of …
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…big ledger peers (#1067)

This change equips LocalStateQuery mini protocol app to respond to a
request for a snapshot, taken from the current tip, of big ledger peers
from a client, eg. cardano-cli. A new query tag
```GetBigLedgerPeerSnapshot``` is added to ```BlockQuery```. This data
can be loaded later by a node, and it may be leveraged by the network
layer to facilitate syncing up a node from a blank or stale state.
Diffusion layer is expected to make heavy use of these relays when
bootstrapping from scratch in Genesis consensus mode.
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crocodile-dentist authored Oct 23, 2024
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### Patch
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### Breaking

- Added ShelleyNodeToClientVersion11 for GetBigLedgerPeerSnapshot query

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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,9 @@ data ShelleyNodeToClientVersion =

-- | New queries introduced: GetFuturePParams
| ShelleyNodeToClientVersion10

-- | New queries introduced: GetBigLedgerPeerSnapshot
| ShelleyNodeToClientVersion11
deriving (Show, Eq, Ord, Enum, Bounded)

instance HasNetworkProtocolVersion (ShelleyBlock proto era) where
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