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Adjust beacon node timeouts for validator client HTTP requests (#2352)

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## Issue Addressed

Resolves #2313 

## Proposed Changes

Provide `BeaconNodeHttpClient` with a dedicated `Timeouts` struct.
This will allow granular adjustment of the timeout duration for different calls made from the VC to the BN. These can either be a constant value, or as a ratio of the slot duration.

Improve timeout performance by using these adjusted timeout duration's only whenever a fallback endpoint is available.

Add a CLI flag called `use-long-timeouts` to revert to the old behavior.

## Additional Info

Additionally set the default `BeaconNodeHttpClient` timeouts to the be the slot duration of the network, rather than a constant 12 seconds. This will allow it to adjust to different network specifications.


Co-authored-by: Paul Hauner <paul@paulhauner.com>
This commit is contained in:
Mac L
2021-07-12 01:47:48 +00:00
parent b4689e20c6
commit b3c7e59a5b
13 changed files with 234 additions and 23 deletions
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16
validator_client/src/duties_service.rs
View File

@@ -285,6 +285,10 @@ async fn poll_validator_indices<T: SlotClock + 'static, E: EthSpec>(
let download_result = duties_service
.beacon_nodes
.first_success(duties_service.require_synced, |beacon_node| async move {
let _timer = metrics::start_timer_vec(
&metrics::DUTIES_SERVICE_TIMES,
&[metrics::VALIDATOR_ID_HTTP_GET],
);
beacon_node
.get_beacon_states_validator_id(
StateId::Head,
@@ -453,6 +457,10 @@ async fn poll_beacon_attesters<T: SlotClock + 'static, E: EthSpec>(
if let Err(e) = duties_service
.beacon_nodes
.first_success(duties_service.require_synced, |beacon_node| async move {
let _timer = metrics::start_timer_vec(
&metrics::DUTIES_SERVICE_TIMES,
&[metrics::SUBSCRIPTIONS_HTTP_POST],
);
beacon_node
.post_validator_beacon_committee_subscriptions(subscriptions_ref)
.await
@@ -509,6 +517,10 @@ async fn poll_beacon_attesters_for_epoch<T: SlotClock + 'static, E: EthSpec>(
let response = duties_service
.beacon_nodes
.first_success(duties_service.require_synced, |beacon_node| async move {
let _timer = metrics::start_timer_vec(
&metrics::DUTIES_SERVICE_TIMES,
&[metrics::ATTESTER_DUTIES_HTTP_POST],
);
beacon_node
.post_validator_duties_attester(epoch, local_indices)
.await
@@ -640,6 +652,10 @@ async fn poll_beacon_proposers<T: SlotClock + 'static, E: EthSpec>(
let download_result = duties_service
.beacon_nodes
.first_success(duties_service.require_synced, |beacon_node| async move {
let _timer = metrics::start_timer_vec(
&metrics::DUTIES_SERVICE_TIMES,
&[metrics::PROPOSER_DUTIES_HTTP_GET],
);
beacon_node
.get_validator_duties_proposer(current_epoch)
.await