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evidence: fix bug with hashes #6375

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merged 16 commits into from Apr 21, 2021
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@cmwaters cmwaters commented Apr 20, 2021

This is a non-breaking solution to #6342 where the hashes remain the same.

Specifically, I have removed fastCheck and modified the CheckEvidence function so that the bytes of the evidence are not modified.

I have also added some more tests on top of this

Closes: #6326
Closes: #6312
Addresses: #5942

@cmwaters cmwaters changed the title evidences: fix bug with hashes evidence: fix bug with hashes Apr 20, 2021
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@marbar3778 can you confirm that this makes sense :)

Comment on lines +1031 to +1033
// NOTE: Sometimes we use the bytes of the proto form as a hash. This means that we need to
// be consistent with cached data
vp.TotalVotingPower = 0
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Can you confirm that this doesn't break proto

types/validator_set.go Outdated Show resolved Hide resolved
@cmwaters cmwaters added the S:backport-to-v0.34.x Tell mergify to backport the PR to v0.34.x label Apr 21, 2021
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codecov bot commented Apr 21, 2021

Codecov Report

Merging #6375 (2e93858) into master (d36a590) will increase coverage by 0.01%.
The diff coverage is 54.34%.

@@            Coverage Diff             @@
##           master    #6375      +/-   ##
==========================================
+ Coverage   60.78%   60.80%   +0.01%     
==========================================
  Files         282      282              
  Lines       26910    26868      -42     
==========================================
- Hits        16358    16336      -22     
+ Misses       8839     8824      -15     
+ Partials     1713     1708       -5     
Impacted Files Coverage Δ
p2p/shim.go 55.63% <0.00%> (ø)
evidence/verify.go 70.80% <28.00%> (+5.86%) ⬆️
evidence/pool.go 64.55% <60.00%> (+3.24%) ⬆️
types/evidence.go 56.57% <100.00%> (+2.25%) ⬆️
types/light.go 72.52% <100.00%> (ø)
types/validator_set.go 83.17% <100.00%> (ø)
privval/signer_server.go 89.47% <0.00%> (-5.27%) ⬇️
types/tx.go 82.97% <0.00%> (-4.26%) ⬇️
consensus/reactor.go 66.56% <0.00%> (-3.57%) ⬇️
consensus/peer_state.go 77.63% <0.00%> (-3.51%) ⬇️
... and 16 more

@cmwaters cmwaters merged commit 5bafedf into master Apr 21, 2021
@cmwaters cmwaters deleted the callum/evidence-hashes-non-breaking branch April 21, 2021 16:50
mergify bot pushed a commit that referenced this pull request Apr 21, 2021
(cherry picked from commit 5bafedf)

# Conflicts:
#	CHANGELOG_PENDING.md
#	evidence/pool.go
#	evidence/pool_test.go
#	evidence/verify.go
#	evidence/verify_test.go
#	p2p/shim.go
#	test/e2e/networks/ci.toml
#	test/e2e/pkg/testnet.go
#	test/e2e/runner/evidence.go
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e2e: evidence data generates two different hashes e2e: same evidence verified twice
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