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Better dupe detection #13992
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Better dupe detection #13992
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sakridge
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lombokcryptoid
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Dec 8, 2020
lombokcryptoid
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Dec 8, 2020
lombokcryptoid
approved these changes
Dec 8, 2020
Codecov Report
@@ Coverage Diff @@
## master #13992 +/- ##
========================================
Coverage 82.1% 82.1%
========================================
Files 381 381
Lines 93793 93930 +137
========================================
+ Hits 77020 77187 +167
+ Misses 16773 16743 -30 |
lombokcryptoid
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Dec 8, 2020
carllin
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Dec 8, 2020
carllin
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Dec 8, 2020
carllin
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Dec 8, 2020
carllin
reviewed
Dec 8, 2020
ledger/src/blockstore.rs
Outdated
| let mut conflicting_shred = None; | ||
| for coding_index in coding_start..coding_end { | ||
| if let Ok(Some(shred)) = self.get_coding_shred(slot, coding_index) { | ||
| conflicting_shred = Some(shred); |
Contributor
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Before we store the duplicate proof, should we add a sanity check here that this conflicting_shred has
- a different
num_data_shreds()ornum_coding_shredsthan the newly receivedshred - The same fec_set_index
carllin
reviewed
Dec 8, 2020
ledger/src/blockstore.rs
Outdated
| }); | ||
|
|
||
| if erasure_config != erasure_meta.config { | ||
| let coding_start = erasure_meta.first_coding_index; |
Contributor
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I just realized that the erasure_config != erasure_meta.config check doesn't account for first_coding_index in ErasureMeta, maybe this: https://github.com/solana-labs/solana/pull/13992/files#diff-01b72272fd1033dcbb8fed13821a6232d35913119af6be20a7c2d1e9c772feb9R1037 should be an ErasureMeta so we can do a full equality check
carllin
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sakridge
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(cherry picked from commit c5fe076)
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(cherry picked from commit c5fe076) Co-authored-by: sakridge <[email protected]>
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Problem
Duplicate shred cases ignored.
Summary of Changes
Set in duplicate column and ignore on voting.
Fixes #