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Subscribe to altair gossip topics 2 slots before fork (#2532)

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## Issue Addressed

N/A

## Proposed Changes

Add a fork_digest to `ForkContext` only if it is set in the config.
Reject gossip messages on post fork topics before the fork happens.

Edit: Instead of rejecting gossip messages on post fork topics, we now subscribe to post fork topics 2 slots before the fork.

Co-authored-by: Age Manning <Age@AgeManning.com>
This commit is contained in:
Pawan Dhananjay
2021-09-17 01:11:16 +00:00
parent acdcea9663
commit 64ad2af100
7 changed files with 145 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
beacon_node/eth2_libp2p/tests/rpc_tests.rs
View File

@@ -138,11 +138,16 @@ fn test_blocks_by_range_chunked_rpc() {
step: 0,
});
// BlocksByRange Response
let spec = E::default_spec();
let empty_block = BeaconBlock::empty(&spec);
let empty_signed = SignedBeaconBlock::from_block(empty_block, Signature::empty());
let rpc_response = Response::BlocksByRange(Some(Box::new(empty_signed)));
// BlocksByRange Response
let full_block = BeaconBlock::Base(BeaconBlockBase::<E>::full(&spec));
let signed_full_block = SignedBeaconBlock::from_block(full_block, Signature::empty());
let rpc_response_base = Response::BlocksByRange(Some(Box::new(signed_full_block)));
let full_block = BeaconBlock::Altair(BeaconBlockAltair::<E>::full(&spec));
let signed_full_block = SignedBeaconBlock::from_block(full_block, Signature::empty());
let rpc_response_altair = Response::BlocksByRange(Some(Box::new(signed_full_block)));
// keep count of the number of messages received
let mut messages_received = 0;
@@ -167,7 +172,11 @@ fn test_blocks_by_range_chunked_rpc() {
warn!(log, "Sender received a response");
match response {
Response::BlocksByRange(Some(_)) => {
assert_eq!(response, rpc_response.clone());
if messages_received < 5 {
assert_eq!(response, rpc_response_base.clone());
} else {
assert_eq!(response, rpc_response_altair.clone());
}
messages_received += 1;
warn!(log, "Chunk received");
}
@@ -197,7 +206,14 @@ fn test_blocks_by_range_chunked_rpc() {
if request == rpc_request {
// send the response
warn!(log, "Receiver got request");
for _ in 1..=messages_to_send {
for i in 0..messages_to_send {
// Send first half of responses as base blocks and
// second half as altair blocks.
let rpc_response = if i < 5 {
rpc_response_base.clone()
} else {
rpc_response_altair.clone()
};
receiver.swarm.behaviour_mut().send_successful_response(
peer_id,
id,
@@ -481,7 +497,7 @@ fn test_blocks_by_root_chunked_rpc() {
let log_level = Level::Debug;
let enable_logging = false;
let messages_to_send = 3;
let messages_to_send = 10;
let log = common::build_log(log_level, enable_logging);
let spec = E::default_spec();
@@ -497,6 +513,13 @@ fn test_blocks_by_root_chunked_rpc() {
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
Hash256::from_low_u64_be(0),
]),
});