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Validator blob signing for the unblinded flow (#4096)

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* Implement validator blob signing (full block and full blob)

* Fix compilation error and remove redundant slot check

* Fix clippy error
This commit is contained in:
Jimmy Chen
2023-03-18 00:29:25 +11:00
committed by GitHub
parent 3c18e1a3a4
commit 1301c62436
7 changed files with 218 additions and 114 deletions
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241
validator_client/src/block_service.rs
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@@ -6,9 +6,11 @@ use crate::{
OfflineOnFailure,
};
use crate::{http_metrics::metrics, validator_store::ValidatorStore};
use bls::SignatureBytes;
use environment::RuntimeContext;
use eth2::types::SignedBlockContents;
use slog::{crit, debug, error, info, trace, warn};
use eth2::types::{BlockContents, SignedBlockContents};
use eth2::BeaconNodeHttpClient;
use slog::{crit, debug, error, info, trace, warn, Logger};
use slot_clock::SlotClock;
use std::ops::Deref;
use std::sync::Arc;
@@ -16,8 +18,8 @@ use std::time::Duration;
use tokio::sync::mpsc;
use tokio::time::sleep;
use types::{
AbstractExecPayload, BeaconBlock, BlindedPayload, BlockType, EthSpec, FullPayload, Graffiti,
PublicKeyBytes, Slot,
AbstractExecPayload, BlindedPayload, BlockType, EthSpec, FullPayload, Graffiti, PublicKeyBytes,
Slot,
};
#[derive(Debug)]
@@ -342,80 +344,46 @@ impl<T: SlotClock + 'static, E: EthSpec> BlockService<T, E> {
"slot" => slot.as_u64(),
);
// Request block from first responsive beacon node.
let block = self
let block_contents = self
.beacon_nodes
.first_success(
RequireSynced::No,
OfflineOnFailure::Yes,
|beacon_node| async move {
let block: BeaconBlock<E, Payload> = match Payload::block_type() {
BlockType::Full => {
let _get_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BEACON_BLOCK_HTTP_GET],
);
beacon_node
.get_validator_blocks::<E, Payload>(
slot,
randao_reveal_ref,
graffiti.as_ref(),
)
.await
.map_err(|e| {
BlockError::Recoverable(format!(
"Error from beacon node when producing block: {:?}",
e
))
})?
.data
.into()
}
BlockType::Blinded => {
let _get_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BLINDED_BEACON_BLOCK_HTTP_GET],
);
beacon_node
.get_validator_blinded_blocks::<E, Payload>(
slot,
randao_reveal_ref,
graffiti.as_ref(),
)
.await
.map_err(|e| {
BlockError::Recoverable(format!(
"Error from beacon node when producing block: {:?}",
e
))
})?
.data
}
};
info!(
move |beacon_node| {
Self::get_validator_block(
beacon_node,
slot,
randao_reveal_ref,
graffiti,
proposer_index,
log,
"Received unsigned block";
"slot" => slot.as_u64(),
);
if proposer_index != Some(block.proposer_index()) {
return Err(BlockError::Recoverable(
"Proposer index does not match block proposer. Beacon chain re-orged"
.to_string(),
));
}
Ok::<_, BlockError>(block)
)
},
)
.await?;
let (block, maybe_blob_sidecars) = block_contents.deconstruct();
let signing_timer = metrics::start_timer(&metrics::BLOCK_SIGNING_TIMES);
let signed_block_contents: SignedBlockContents<E, Payload> = self_ref
let signed_block = self_ref
.validator_store
.sign_block::<Payload>(*validator_pubkey_ref, block, current_slot)
.await
.map_err(|e| BlockError::Recoverable(format!("Unable to sign block: {:?}", e)))?
.into();
.map_err(|e| BlockError::Recoverable(format!("Unable to sign block: {:?}", e)))?;
let maybe_signed_blobs = match maybe_blob_sidecars {
Some(blob_sidecars) => Some(
self_ref
.validator_store
.sign_blobs(*validator_pubkey_ref, blob_sidecars)
.await
.map_err(|e| {
BlockError::Recoverable(format!("Unable to sign blob: {:?}", e))
})?,
),
None => None,
};
let signing_time_ms =
Duration::from_secs_f64(signing_timer.map_or(0.0, |t| t.stop_and_record())).as_millis();
@@ -426,46 +394,19 @@ impl<T: SlotClock + 'static, E: EthSpec> BlockService<T, E> {
"signing_time_ms" => signing_time_ms,
);
let signed_block_contents = SignedBlockContents::from((signed_block, maybe_signed_blobs));
// Publish block with first available beacon node.
self.beacon_nodes
.first_success(
RequireSynced::No,
OfflineOnFailure::Yes,
|beacon_node| async {
match Payload::block_type() {
BlockType::Full => {
let _post_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BEACON_BLOCK_HTTP_POST],
);
beacon_node
.post_beacon_blocks(&signed_block_contents)
.await
.map_err(|e| {
BlockError::Irrecoverable(format!(
"Error from beacon node when publishing block: {:?}",
e
))
})?
}
BlockType::Blinded => {
let _post_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BLINDED_BEACON_BLOCK_HTTP_POST],
);
beacon_node
// TODO: need to be adjusted for blobs
.post_beacon_blinded_blocks(signed_block_contents.signed_block())
.await
.map_err(|e| {
BlockError::Irrecoverable(format!(
"Error from beacon node when publishing block: {:?}",
e
))
})?
}
}
Ok::<_, BlockError>(())
Self::publish_signed_block_contents::<Payload>(
&signed_block_contents,
beacon_node,
)
.await
},
)
.await?;
@@ -482,4 +423,106 @@ impl<T: SlotClock + 'static, E: EthSpec> BlockService<T, E> {
Ok(())
}
async fn publish_signed_block_contents<Payload: AbstractExecPayload<E>>(
signed_block_contents: &SignedBlockContents<E, Payload>,
beacon_node: &BeaconNodeHttpClient,
) -> Result<(), BlockError> {
match Payload::block_type() {
BlockType::Full => {
let _post_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BEACON_BLOCK_HTTP_POST],
);
beacon_node
.post_beacon_blocks(signed_block_contents)
.await
.map_err(|e| {
BlockError::Irrecoverable(format!(
"Error from beacon node when publishing block: {:?}",
e
))
})?
}
BlockType::Blinded => {
let _post_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BLINDED_BEACON_BLOCK_HTTP_POST],
);
todo!("need to be adjusted for blobs");
// beacon_node
// .post_beacon_blinded_blocks(signed_block_contents.signed_block())
// .await
// .map_err(|e| {
// BlockError::Irrecoverable(format!(
// "Error from beacon node when publishing block: {:?}",
// e
// ))
// })?
}
}
Ok::<_, BlockError>(())
}
async fn get_validator_block<Payload: AbstractExecPayload<E>>(
beacon_node: &BeaconNodeHttpClient,
slot: Slot,
randao_reveal_ref: &SignatureBytes,
graffiti: Option<Graffiti>,
proposer_index: Option<u64>,
log: &Logger,
) -> Result<BlockContents<E, Payload>, BlockError> {
let block_contents: BlockContents<E, Payload> = match Payload::block_type() {
BlockType::Full => {
let _get_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BEACON_BLOCK_HTTP_GET],
);
beacon_node
.get_validator_blocks::<E, Payload>(slot, randao_reveal_ref, graffiti.as_ref())
.await
.map_err(|e| {
BlockError::Recoverable(format!(
"Error from beacon node when producing block: {:?}",
e
))
})?
.data
}
BlockType::Blinded => {
let _get_timer = metrics::start_timer_vec(
&metrics::BLOCK_SERVICE_TIMES,
&[metrics::BLINDED_BEACON_BLOCK_HTTP_GET],
);
todo!("implement blinded flow for blobs");
// beacon_node
// .get_validator_blinded_blocks::<E, Payload>(
// slot,
// randao_reveal_ref,
// graffiti.as_ref(),
// )
// .await
// .map_err(|e| {
// BlockError::Recoverable(format!(
// "Error from beacon node when producing block: {:?}",
// e
// ))
// })?
// .data
}
};
info!(
log,
"Received unsigned block";
"slot" => slot.as_u64(),
);
if proposer_index != Some(block_contents.block().proposer_index()) {
return Err(BlockError::Recoverable(
"Proposer index does not match block proposer. Beacon chain re-orged".to_string(),
));
}
Ok::<_, BlockError>(block_contents)
}
}