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WIP: Added POST functionality for pusblish_beacon_block. Currently doesn't compile, struggling with the borrow checker.

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This commit is contained in:
Luke Anderson
2019-09-09 12:54:14 +10:00
parent 99c673045c
commit 0136eb33b0
4 changed files with 103 additions and 5 deletions
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42
beacon_node/rest_api/src/helpers.rs
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@@ -1,11 +1,17 @@
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 hex;
use hyper::{Body, Request};
use network::NetworkMessage;
use ssz::Encode;
use std::borrow::BorrowMut;
use std::sync::Arc;
use store::{iter::AncestorIter, Store};
use types::{BeaconState, EthSpec, Hash256, RelativeEpoch, Slot};
use tokio::sync::mpsc;
use types::{BeaconBlock, BeaconState, EthSpec, Hash256, RelativeEpoch, Slot};
/// Parse a slot from a `0x` preixed string.
///
@@ -197,6 +203,40 @@ pub fn get_logger_from_request(req: &Request<Body>) -> slog::Logger {
log.to_owned()
}
pub fn publish_beacon_block_to_network<T: BeaconChainTypes + 'static>(
req: &Request<Body>,
block: BeaconBlock<T::EthSpec>,
) -> Result<(), ApiError> {
// Get the network service from the request
let mut network_chan = req
.extensions()
.get::<mpsc::UnboundedSender<NetworkMessage>>()
.expect(
"Should always get the network channel from the request, since we put it in there.",
);
// create the network topic to send on
let topic_string = format!(
"/{}/{}/{}",
TOPIC_PREFIX, BEACON_BLOCK_TOPIC, TOPIC_ENCODING_POSTFIX
);
let topic = Topic::new(topic_string);
let message = PubsubMessage::Block(block.as_ssz_bytes());
// Publish the block to the p2p network via gossipsub.
if let Err(e) = &network_chan.try_send(NetworkMessage::Publish {
topics: vec![topic],
message: message,
}) {
return Err(ApiError::ServerError(format!(
"Unable to send new block to network: {:?}",
e
)));
}
Ok(())
}
#[cfg(test)]
mod test {
use super::*;