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Implement API for block rewards (#2628)

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## Proposed Changes

Add an API endpoint for retrieving detailed information about block rewards.

For information on usage see [the docs](https://github.com/sigp/lighthouse/blob/block-rewards-api/book/src/api-lighthouse.md#lighthouseblock_rewards), and the source.
This commit is contained in:
Michael Sproul
2022-01-27 01:06:02 +00:00
parent 013a3cc3e0
commit e70daaa3b6
14 changed files with 366 additions and 16 deletions
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13
beacon_node/beacon_chain/src/events.rs
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@@ -15,6 +15,7 @@ pub struct ServerSentEventHandler<T: EthSpec> {
chain_reorg_tx: Sender<EventKind<T>>,
contribution_tx: Sender<EventKind<T>>,
late_head: Sender<EventKind<T>>,
block_reward_tx: Sender<EventKind<T>>,
log: Logger,
}
@@ -32,6 +33,7 @@ impl<T: EthSpec> ServerSentEventHandler<T> {
let (chain_reorg_tx, _) = broadcast::channel(capacity);
let (contribution_tx, _) = broadcast::channel(capacity);
let (late_head, _) = broadcast::channel(capacity);
let (block_reward_tx, _) = broadcast::channel(capacity);
Self {
attestation_tx,
@@ -42,6 +44,7 @@ impl<T: EthSpec> ServerSentEventHandler<T> {
chain_reorg_tx,
contribution_tx,
late_head,
block_reward_tx,
log,
}
}
@@ -67,6 +70,8 @@ impl<T: EthSpec> ServerSentEventHandler<T> {
.map(|count| trace!(self.log, "Registering server-sent contribution and proof event"; "receiver_count" => count)),
EventKind::LateHead(late_head) => self.late_head.send(EventKind::LateHead(late_head))
.map(|count| trace!(self.log, "Registering server-sent late head event"; "receiver_count" => count)),
EventKind::BlockReward(block_reward) => self.block_reward_tx.send(EventKind::BlockReward(block_reward))
.map(|count| trace!(self.log, "Registering server-sent contribution and proof event"; "receiver_count" => count)),
};
if let Err(SendError(event)) = result {
trace!(self.log, "No receivers registered to listen for event"; "event" => ?event);
@@ -105,6 +110,10 @@ impl<T: EthSpec> ServerSentEventHandler<T> {
self.late_head.subscribe()
}
pub fn subscribe_block_reward(&self) -> Receiver<EventKind<T>> {
self.block_reward_tx.subscribe()
}
pub fn has_attestation_subscribers(&self) -> bool {
self.attestation_tx.receiver_count() > 0
}
@@ -136,4 +145,8 @@ impl<T: EthSpec> ServerSentEventHandler<T> {
pub fn has_late_head_subscribers(&self) -> bool {
self.late_head.receiver_count() > 0
}
pub fn has_block_reward_subscribers(&self) -> bool {
self.block_reward_tx.receiver_count() > 0
}
}