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feat/overseer: introduce closure init (#3775)

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* feat/overseer: introduce closure init

Enables removal of the connected/disconnected overseer state.

* feat/overseer: allow replacement logic to access the original

Allows to re-use init-once types, which would otherwise error.

* feat/overseer: introduce external connector

Preparation for removal of `AllSubsystems`
which is another prerequisite for removing
the connect/disconnect state.

* fix/test: replace needs closure

* fixup

* simplify

* mea culpa

* all-subsystems-gen test
This commit is contained in:
Bernhard Schuster
2021-09-04 10:07:07 +02:00
committed by GitHub
parent 5596170bfb
commit 3cc5a1eee9
14 changed files with 150 additions and 45 deletions
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polkadot/node/overseer/src/tests.rs
+9 -8
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@@ -161,8 +161,8 @@ fn overseer_works() {
let mut s2_rx = s2_rx.fuse();
let all_subsystems = AllSubsystems::<()>::dummy()
.replace_candidate_validation(TestSubsystem1(s1_tx))
.replace_candidate_backing(TestSubsystem2(s2_tx));
.replace_candidate_validation(move |_| TestSubsystem1(s1_tx))
.replace_candidate_backing(move |_| TestSubsystem2(s2_tx));
let (overseer, handle) =
Overseer::new(vec![], all_subsystems, None, MockSupportsParachains, spawner).unwrap();
@@ -278,7 +278,8 @@ fn overseer_ends_on_subsystem_exit() {
let spawner = sp_core::testing::TaskExecutor::new();
executor::block_on(async move {
let all_subsystems = AllSubsystems::<()>::dummy().replace_candidate_backing(ReturnOnStart);
let all_subsystems =
AllSubsystems::<()>::dummy().replace_candidate_backing(|_| ReturnOnStart);
let (overseer, _handle) =
Overseer::new(vec![], all_subsystems, None, MockSupportsParachains, spawner).unwrap();
@@ -379,8 +380,8 @@ fn overseer_start_stop_works() {
let (tx_5, mut rx_5) = metered::channel(64);
let (tx_6, mut rx_6) = metered::channel(64);
let all_subsystems = AllSubsystems::<()>::dummy()
.replace_candidate_validation(TestSubsystem5(tx_5))
.replace_candidate_backing(TestSubsystem6(tx_6));
.replace_candidate_validation(move |_| TestSubsystem5(tx_5))
.replace_candidate_backing(move |_| TestSubsystem6(tx_6));
let (overseer, handle) =
Overseer::new(vec![first_block], all_subsystems, None, MockSupportsParachains, spawner)
.unwrap();
@@ -475,8 +476,8 @@ fn overseer_finalize_works() {
let (tx_6, mut rx_6) = metered::channel(64);
let all_subsystems = AllSubsystems::<()>::dummy()
.replace_candidate_validation(TestSubsystem5(tx_5))
.replace_candidate_backing(TestSubsystem6(tx_6));
.replace_candidate_validation(move |_| TestSubsystem5(tx_5))
.replace_candidate_backing(move |_| TestSubsystem6(tx_6));
// start with two forks of different height.
let (overseer, handle) = Overseer::new(
@@ -570,7 +571,7 @@ fn do_not_send_empty_leaves_update_on_block_finalization() {
let (tx_5, mut rx_5) = metered::channel(64);
let all_subsystems =
AllSubsystems::<()>::dummy().replace_candidate_backing(TestSubsystem6(tx_5));
AllSubsystems::<()>::dummy().replace_candidate_backing(move |_| TestSubsystem6(tx_5));
let (overseer, handle) =
Overseer::new(Vec::new(), all_subsystems, None, MockSupportsParachains, spawner)