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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/bridge/src/lib.rs
+9 -1
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@@ -1157,7 +1157,7 @@ mod tests {
use sc_network::{Event as NetworkEvent, IfDisconnected};
use polkadot_subsystem::{jaeger, ActiveLeavesUpdate, FromOverseer, OverseerSignal};
use polkadot_subsystem::{jaeger, ActiveLeavesUpdate, FromOverseer, OverseerSignal, LeafStatus};
use polkadot_subsystem::messages::{
ApprovalDistributionMessage,
BitfieldDistributionMessage,
@@ -1471,6 +1471,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: head,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -1568,6 +1569,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_a,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -1652,6 +1654,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_a,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -1667,6 +1670,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_b,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -1739,6 +1743,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_a,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -1956,6 +1961,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_a,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -2171,6 +2177,7 @@ mod tests {
ActiveLeavesUpdate::start_work(ActivatedLeaf {
hash: hash_b,
number: 1,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
})
))
@@ -2400,6 +2407,7 @@ mod tests {
activated: hashes.enumerate().map(|(i, h)| ActivatedLeaf {
hash: h,
number: i as _,
status: LeafStatus::Fresh,
span: Arc::new(jaeger::Span::Disabled),
}).rev().collect(),
deactivated: Default::default(),