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Return HTTP 202 to indicate processing error.

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- A processing error of a validator's block or attestation should not prevent publishing. Now a 202 error is returned, to indicate that it has not been processed, but has still been published.
 - Added a publish_attestation function to the API, handling POST requests for /beacon/validator/attestation.
This commit is contained in:
Luke Anderson
2019-09-13 21:22:32 +10:00
parent 00a5f003c4
commit 23ce271b5f
4 changed files with 102 additions and 13 deletions
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34
beacon_node/rest_api/src/helpers.rs
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@@ -2,7 +2,9 @@ use crate::{ApiError, ApiResult};
use beacon_chain::{BeaconChain, BeaconChainTypes};
use bls::PublicKey;
use eth2_libp2p::{PubsubMessage, Topic};
use eth2_libp2p::{BEACON_BLOCK_TOPIC, TOPIC_ENCODING_POSTFIX, TOPIC_PREFIX};
use eth2_libp2p::{
BEACON_ATTESTATION_TOPIC, BEACON_BLOCK_TOPIC, TOPIC_ENCODING_POSTFIX, TOPIC_PREFIX,
};
use hex;
use http::header;
use hyper::{Body, Request};
@@ -12,7 +14,7 @@ use ssz::Encode;
use std::sync::Arc;
use store::{iter::AncestorIter, Store};
use tokio::sync::mpsc;
use types::{BeaconBlock, BeaconState, EthSpec, Hash256, RelativeEpoch, Slot};
use types::{Attestation, BeaconBlock, BeaconState, EthSpec, Hash256, RelativeEpoch, Slot};
/// Parse a slot from a `0x` preixed string.
///
@@ -227,7 +229,7 @@ pub fn publish_beacon_block_to_network<T: BeaconChainTypes + 'static>(
// Publish the block to the p2p network via gossipsub.
if let Err(e) = chan.write().try_send(NetworkMessage::Publish {
topics: vec![topic],
message: message,
message,
}) {
return Err(ApiError::ServerError(format!(
"Unable to send new block to network: {:?}",
@@ -238,6 +240,32 @@ pub fn publish_beacon_block_to_network<T: BeaconChainTypes + 'static>(
Ok(())
}
pub fn publish_attestation_to_network<T: BeaconChainTypes + 'static>(
chan: Arc<RwLock<mpsc::UnboundedSender<NetworkMessage>>>,
attestation: Attestation<T::EthSpec>,
) -> Result<(), ApiError> {
// create the network topic to send on
let topic_string = format!(
"/{}/{}/{}",
TOPIC_PREFIX, BEACON_ATTESTATION_TOPIC, TOPIC_ENCODING_POSTFIX
);
let topic = Topic::new(topic_string);
let message = PubsubMessage::Attestation(attestation.as_ssz_bytes());
// Publish the attestation to the p2p network via gossipsub.
if let Err(e) = chan.write().try_send(NetworkMessage::Publish {
topics: vec![topic],
message,
}) {
return Err(ApiError::ServerError(format!(
"Unable to send new attestation to network: {:?}",
e
)));
}
Ok(())
}
#[cfg(test)]
mod test {
use super::*;