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Validator side of the collation protocol. (#295)

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* skeleton of collators object

* awaiting and handling collations. rename `collators` to CollationPool

* add some tests

* add tests

* implement Collators trait for ConsensusNetwork

* plug collators into main polkadot-network

* ignore collator role message

* add a couple more tests

* garbage collection for collations

* ensure disconnected backup collator is removed from pool

* address other grumbles
This commit is contained in:
Robert Habermeier
2018-07-12 09:47:10 +01:00
committed by Gav Wood
parent 907eeef9dd
commit 88c40c8fb4
7 changed files with 514 additions and 34 deletions
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polkadot/network/src/tests.rs
+25 -3
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@@ -110,11 +110,12 @@ fn sends_session_key() {
let parent_hash = [0; 32].into();
let local_key = [1; 32].into();
let status = Status { collating_for: None };
let validator_status = Status { collating_for: None };
let collator_status = Status { collating_for: Some(([2; 32].into(), 5.into())) };
{
let mut ctx = TestContext::default();
protocol.on_connect(&mut ctx, peer_a, make_status(&status, vec![Role::Authority]));
protocol.on_connect(&mut ctx, peer_a, make_status(&validator_status, vec![Role::Authority]));
assert!(ctx.messages.is_empty());
}
@@ -128,7 +129,7 @@ fn sends_session_key() {
{
let mut ctx = TestContext::default();
protocol.on_connect(&mut ctx, peer_b, make_status(&status, vec![Role::Authority]));
protocol.on_connect(&mut ctx, peer_b, make_status(&collator_status, vec![]));
assert!(ctx.has_message(peer_b, Message::SessionKey(parent_hash, local_key)));
}
}
@@ -207,3 +208,24 @@ fn fetches_from_those_with_knowledge() {
assert_eq!(recv.wait().unwrap(), block_data);
}
}
#[test]
fn remove_bad_collator() {
let mut protocol = PolkadotProtocol::new();
let peer_id = 1;
let account_id = [2; 32].into();
let status = Status { collating_for: Some((account_id, 5.into())) };
{
let mut ctx = TestContext::default();
protocol.on_connect(&mut ctx, peer_id, make_status(&status, vec![]));
}
{
let mut ctx = TestContext::default();
protocol.disconnect_bad_collator(&mut ctx, account_id);
assert!(ctx.disabled.contains(&peer_id));
}
}