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collator-protocol: add message authentication (#2635)

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* collator: authenticate collator protocol messages

* fix tests compilation

* node: verify collator protocol signatures in tests

* collator: fix tests

* implementers-guide: update CollatorProtocol messages

* collator: add test for verification of collator protocol signatures

* node: remove fixmes

* node: remove signature from advertisecollation message

* node: add magic constant to Declare message signature payload
This commit is contained in:
André Silva
2021-03-24 21:13:32 +00:00
committed by GitHub
parent 358fa9f22a
commit bfbb078525
12 changed files with 255 additions and 109 deletions
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polkadot/node/network/collator-protocol/src/lib.rs
+9 -15
View File
@@ -25,20 +25,13 @@ use std::time::Duration;
use futures::{channel::oneshot, FutureExt, TryFutureExt};
use thiserror::Error;
use polkadot_node_network_protocol::{PeerId, UnifiedReputationChange as Rep};
use polkadot_node_subsystem_util::{self as util, metrics::prometheus};
use polkadot_primitives::v1::CollatorPair;
use polkadot_subsystem::{
Subsystem, SubsystemContext, SubsystemError, SpawnedSubsystem,
errors::RuntimeApiError,
messages::{
AllMessages, CollatorProtocolMessage, NetworkBridgeMessage,
},
};
use polkadot_node_network_protocol::{
PeerId, UnifiedReputationChange as Rep,
};
use polkadot_primitives::v1::CollatorId;
use polkadot_node_subsystem_util::{
self as util,
metrics::prometheus,
messages::{AllMessages, CollatorProtocolMessage, NetworkBridgeMessage},
SpawnedSubsystem, Subsystem, SubsystemContext, SubsystemError,
};
mod collator_side;
@@ -77,7 +70,7 @@ pub enum ProtocolSide {
/// Validators operate on the relay chain.
Validator(CollatorEvictionPolicy, validator_side::Metrics),
/// Collators operate on a parachain.
Collator(CollatorId, collator_side::Metrics),
Collator(PeerId, CollatorPair, collator_side::Metrics),
}
/// The collator protocol subsystem.
@@ -107,9 +100,10 @@ impl CollatorProtocolSubsystem {
policy,
metrics,
).await,
ProtocolSide::Collator(id, metrics) => collator_side::run(
ProtocolSide::Collator(local_peer_id, collator_pair, metrics) => collator_side::run(
ctx,
id,
local_peer_id,
collator_pair,
metrics,
).await,
}.map_err(|e| {