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Reversion Safety tools for overseer and subsystems (#3104)

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* guide: reversion safety

* guide: manage reversion safety in subsystems

* add leaf status to ActivatedLeaf

* add an LRU-cache to overseer for staleness detection

* update ActivatedLeaf usages in tests to contain status field

* add variant where missed accidentally

* add some helpers to LeafStatus

* address grumbles
This commit is contained in:
Robert Habermeier
2021-05-31 13:54:05 -05:00
committed by GitHub
parent 6b166a7a1f
commit 963993d288
18 changed files with 270 additions and 20 deletions
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polkadot/node/network/gossip-support/src/tests.rs
+2 -1
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@@ -18,7 +18,7 @@
use super::*;
use polkadot_node_subsystem::{
jaeger, ActivatedLeaf,
jaeger, ActivatedLeaf, LeafStatus,
messages::{RuntimeApiMessage, RuntimeApiRequest},
};
use polkadot_node_subsystem_test_helpers as test_helpers;
@@ -73,6 +73,7 @@ async fn overseer_signal_active_leaves(
let leaf = ActivatedLeaf {
hash: leaf,
number: 0xdeadcafe,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
};
overseer