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uses Option<u64> for SlotMeta.last_index#21775
Merged
behzadnouri merged 1 commit intosolana-labs:masterfrom Dec 11, 2021
Merged
uses Option<u64> for SlotMeta.last_index#21775behzadnouri merged 1 commit intosolana-labs:masterfrom
behzadnouri merged 1 commit intosolana-labs:masterfrom
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Codecov Report
@@ Coverage Diff @@
## master #21775 +/- ##
=========================================
- Coverage 81.6% 81.4% -0.2%
=========================================
Files 511 511
Lines 143320 143590 +270
=========================================
- Hits 116976 116929 -47
- Misses 26344 26661 +317 |
SlotMeta.last_index may be unknown and current code is using u64::MAX to indicate that: https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174 This lacks type-safety and can introduce bugs if not always checked for Several instances of slot_meta.last_index + 1 are also subject to overflow. This commit updates the type to Option<u64>. Backward compatibility is maintained by customizing serde serialize/deserialize implementations.
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SlotMeta.last_index may be unknown and current code is using u64::MAX to indicate that: https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174 This lacks type-safety and can introduce bugs if not always checked for Several instances of slot_meta.last_index + 1 are also subject to overflow. This commit updates the type to Option<u64>. Backward compatibility is maintained by customizing serde serialize/deserialize implementations. (cherry picked from commit e08139f)
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SlotMeta.last_index may be unknown and current code is using u64::MAX to indicate that: https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174 This lacks type-safety and can introduce bugs if not always checked for Several instances of slot_meta.last_index + 1 are also subject to overflow. This commit updates the type to Option<u64>. Backward compatibility is maintained by customizing serde serialize/deserialize implementations. (cherry picked from commit e08139f) Co-authored-by: behzad nouri <behzadnouri@gmail.com>
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SlotMeta.last_index may be unknown and current code is using u64::MAX to indicate that: https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174 This lacks type-safety and can introduce bugs if not always checked for Several instances of slot_meta.last_index + 1 are also subject to overflow. This commit updates the type to Option<u64>. Backward compatibility is maintained by customizing serde serialize/deserialize implementations. (cherry picked from commit e08139f) # Conflicts: # core/src/repair_generic_traversal.rs # ledger/src/blockstore.rs # ledger/src/blockstore_meta.rs
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* uses Option<u64> for SlotMeta.last_index (#21775) SlotMeta.last_index may be unknown and current code is using u64::MAX to indicate that: https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174 This lacks type-safety and can introduce bugs if not always checked for Several instances of slot_meta.last_index + 1 are also subject to overflow. This commit updates the type to Option<u64>. Backward compatibility is maintained by customizing serde serialize/deserialize implementations. (cherry picked from commit e08139f) # Conflicts: # core/src/repair_generic_traversal.rs # ledger/src/blockstore.rs # ledger/src/blockstore_meta.rs * removes mergify merge conflicts Co-authored-by: behzad nouri <behzadnouri@gmail.com>
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Problem
SlotMeta.last_indexmay be unknown and current code is usingu64::MAXto indicate that:
https://github.com/solana-labs/solana/blob/6c108c8fc/ledger/src/blockstore_meta.rs#L169-L174
This lacks type-safety and can introduce bugs if not always checked for
Several instances of
slot_meta.last_index + 1are also subject tooverflow.
Summary of Changes
This commit updates the type to Option. Backward compatibility is
maintained by customizing serde serialize/deserialize implementations.