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Fix data column rpc request (#8247)

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Fixes an issue mentioned in this comment regarding data column rpc requests:
https://github.com/sigp/lighthouse/issues/6572#issuecomment-3400076236


  


Co-Authored-By: Eitan Seri-Levi <eserilev@ucsc.edu>

Co-Authored-By: Michael Sproul <micsproul@gmail.com>
This commit is contained in:
Eitan Seri-Levi
2025-10-21 16:54:35 -07:00
committed by GitHub
parent 21bab0899a
commit 46dde9afee
3 changed files with 130 additions and 22 deletions
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47
beacon_node/network/src/network_beacon_processor/rpc_methods.rs
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@@ -1204,33 +1204,42 @@ impl<T: BeaconChainTypes> NetworkBeaconProcessor<T> {
let request_start_slot = Slot::from(req.start_slot);
let data_availability_boundary_slot = match self.chain.data_availability_boundary() {
Some(boundary) => boundary.start_slot(T::EthSpec::slots_per_epoch()),
None => {
debug!("Deneb fork is disabled");
return Err((RpcErrorResponse::InvalidRequest, "Deneb fork is disabled"));
}
};
let column_data_availability_boundary_slot =
match self.chain.column_data_availability_boundary() {
Some(boundary) => boundary.start_slot(T::EthSpec::slots_per_epoch()),
None => {
debug!("Fulu fork is disabled");
return Err((RpcErrorResponse::InvalidRequest, "Fulu fork is disabled"));
}
};
let oldest_data_column_slot = self
.chain
.store
.get_data_column_info()
.oldest_data_column_slot
.unwrap_or(data_availability_boundary_slot);
let earliest_custodied_data_column_slot =
match self.chain.earliest_custodied_data_column_epoch() {
Some(earliest_custodied_epoch) => {
let earliest_custodied_slot =
earliest_custodied_epoch.start_slot(T::EthSpec::slots_per_epoch());
// Ensure the earliest columns we serve are within the data availability window
if earliest_custodied_slot < column_data_availability_boundary_slot {
column_data_availability_boundary_slot
} else {
earliest_custodied_slot
}
}
None => column_data_availability_boundary_slot,
};
if request_start_slot < oldest_data_column_slot {
if request_start_slot < earliest_custodied_data_column_slot {
debug!(
%request_start_slot,
%oldest_data_column_slot,
%data_availability_boundary_slot,
"Range request start slot is older than data availability boundary."
%earliest_custodied_data_column_slot,
%column_data_availability_boundary_slot,
"Range request start slot is older than the earliest custodied data column slot."
);
return if data_availability_boundary_slot < oldest_data_column_slot {
return if earliest_custodied_data_column_slot > column_data_availability_boundary_slot {
Err((
RpcErrorResponse::ResourceUnavailable,
"blobs pruned within boundary",
"columns pruned within boundary",
))
} else {
Err((