Bumps [github.com/golang/protobuf](https://github.com/golang/protobuf) from 1.4.2 to 1.4.3.
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<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/golang/protobuf/releases">github.com/golang/protobuf's releases</a>.</em></p>
<blockquote>
<h2>v1.4.3</h2>
<p>Notable changes:</p>
<p>(<a href="https://github-redirect.dependabot.com/golang/protobuf/issues/1221">#1221</a>) jsonpb: Fix marshaling of Duration
(<a href="https://github-redirect.dependabot.com/golang/protobuf/issues/1210">#1210</a>) proto: convert integer to rune before converting to string</p>
</blockquote>
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<summary>Commits</summary>
<ul>
<li><a href="4846b58453"><code>4846b58</code></a> jsonpb: Fix marshaling of Duration (<a href="https://github-redirect.dependabot.com/golang/protobuf/issues/1221">#1221</a>)</li>
<li><a href="91c84e0db1"><code>91c84e0</code></a> travis.yml: update tested versions of Go (<a href="https://github-redirect.dependabot.com/golang/protobuf/issues/1211">#1211</a>)</li>
<li><a href="3860b2764f"><code>3860b27</code></a> proto: convert integer to rune before converting to string (<a href="https://github-redirect.dependabot.com/golang/protobuf/issues/1210">#1210</a>)</li>
<li>See full diff in <a href="https://github.com/golang/protobuf/compare/v1.4.2...v1.4.3">compare view</a></li>
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* Don't use state sync for nodes starting at initial height.
* Also remove stopped containers when cleaning up.
* Start nodes in order of startAt, mode, name to avoid full nodes starting before their seeds.
* Tweak network waiting to avoid halts caused by validator changes and perturbations.
* Disable most tests for seed nodes, which aren't always able to join consensus.
* Disable `blockchain/v2` due to known bugs.
Fixes#5540, fixes#2965. This is a hack that patches over the problem, but really the whole async handling in gRPC should be redesigned, as should ReqRes callback dispatch.
In #5488 the E2E testnet generator changed to setting explicit `StartAt` heights for initial nodes. This broke the runner, which expected all initial nodes to have `StartAt: 0`, as well as validator set scheduling in the generator. Testnet loading now normalizes initial nodes to have `StartAt: 0`.
This also tweaks waiting for misbehavior heights to only use an additional wait if there actually is any misbehavior in the testnet, and to output information when waiting.
Closes#5291. Adds a randomized testnet generator. Nightly CI job will be submitted separately. A few of the testnets can be a bit flaky, even after disabling known-faulty behavior and making minor tweaks, and the larger networks may be too resource-intensive to run in CI - this will be optimized separately.
This was a missing test case from the old P2P tests removed in #5453, which makes sure that all nodes are able to peer with each other regardless of how they discover peers.
Fixes#2795, since the default CI testnet uses a combination of (partially meshed) persistent peers and PEX-based seed nodes.
Partial fix for #5291.
This adds a basic set of test cases for core network invariants. Although small, it is sufficient to replace and extend the current set of P2P tests. Further test cases can be added later.
## Description
Add simple `NoBlockResponse` handling to blockchain reactor v1. I tested before and after with erik's e2e testing and was not able to reproduce the inability to sync after the changes were applied
Closes: #5394
Before: scheduler receives psBlockProcessed event, but does not mark block as processed because peer timed out (or was removed for other reasons) and all associated blocks were rescheduled.
After: scheduler receives psBlockProcessed event and marks block as processed in any case (even if peer who provided this block errors).
Closes#5387
When a peer is stopped due to some network issue, the Reactor calls scheduler#handleRemovePeer, which removes the peer from the scheduler. BUT the peer stays in the processor, which sometimes could lead to "duplicate block enqueued by processor" panic WHEN the same block is requested by the scheduler again from a different peer. The solution is to return scPeerError, which will be propagated to the processor. The processor will clean up the blocks associated with the peer in purgePeer.
Closes#5513, #5517
Fixes#5439. This is really a workaround for #5519 (unless we require async implementations to return ordered responses, but that kind of defeats the purpose of having an async API).
dependabot[bot]
Anton Kaliaev
Erik Grinaker
Callum Waters
Marko
QuantumExplorer