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client/finality-grandpa: Add regression test for observer polling network (was #4778) (#4795)

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* client/finality-grandpa: Add regression test observer polling network

Ensure `Future` implementation of `ObserverWork` is polling its
`NetworkBridge`. Regression test for bug introduced in d9837d7dd and
fixed in 504b4e89e.

When polled, `NetworkBridge` forwards reputation change requests from
the `GossipValidator` to the underlying `dyn Network`. This test
triggers a reputation change by calling `GossipValidator::validate` with
an invalid gossip message. After polling the `ObserverWork` which should
poll the `NetworkBridge`, the reputation change should be forwarded to
the test network.

* Nits

Co-authored-by: Max Inden <mail@max-inden.de>
This commit is contained in:
Gavin Wood
2020-01-31 19:12:03 +00:00
committed by GitHub
parent 111207afe8
commit adde404e41
5 changed files with 94 additions and 7 deletions
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substrate/client/finality-grandpa/Cargo.toml
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@@ -12,6 +12,7 @@ futures-timer = "2.0.2"
log = "0.4.8"
parking_lot = "0.9.0"
rand = "0.7.2"
assert_matches = "1.3.0"
parity-scale-codec = { version = "1.0.0", features = ["derive"] }
sp-arithmetic = { version = "2.0.0", path = "../../primitives/arithmetic" }
sp-runtime = { version = "2.0.0", path = "../../primitives/runtime" }