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fix: prevent panic when scanning from genesis block #408

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merged 2 commits into from
Sep 15, 2023

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qustavo
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@qustavo qustavo commented Sep 4, 2023

Parent block height (u64) is always set to block - 1 which will result on a panic when trying to construct genesis parent's block height.

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Thanks @qustavo!

@MicaiahReid
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Thanks, @qustavo! There are other places in the codebase we do this. If you search - 1 throughout the codebase, you'll see multiple times where we use this same logic to calculate the parent block height. Can you fix these as well?

Let me know if you don't have the bandwidth for this and I can take it on eventually.

@qustavo qustavo force-pushed the fix/genesis_block_panic branch from 49d100b to b344eaf Compare September 13, 2023 20:57
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qustavo commented Sep 13, 2023

@MicaiahReid fixed.
This PR does not touch the code affecting microblocks, although incorrect, micoblock number starts with 1, so u64 never gets a negative value.

It prevents a u64 from getting a negative value when computing the
parent block height of the genesis block (#0).
@qustavo qustavo force-pushed the fix/genesis_block_panic branch from b344eaf to 1e5f346 Compare September 13, 2023 21:00
@MicaiahReid MicaiahReid merged commit 1868a06 into hirosystems:develop Sep 15, 2023
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@qustavo qustavo deleted the fix/genesis_block_panic branch September 15, 2023 18:56
github-actions bot pushed a commit that referenced this pull request Oct 10, 2023
## [1.1.0](v1.0.0...v1.1.0) (2023-10-10)

### Features

* allow matching with regex for stacks print_event ([#380](#380)) ([131809e](131809e)), closes [#348](#348)
* augment predicate status returned by GET/LIST endpoints ([#397](#397)) ([a100263](a100263)), closes [#396](#396) [#324](#324) [#390](#390) [#402](#402) [#403](#403)
* introduce "data_handler_tx" ([ee486f3](ee486f3))

### Bug Fixes

* build error ([85d4d91](85d4d91))
* build errors ([b9ff1aa](b9ff1aa))
* build errro ([be0c229](be0c229))
* bump retries and delays ([aff3690](aff3690))
* chainhook not being registered ([5a809c6](5a809c6))
* ensure that the parent block was previously received. else, fetch it ([2755266](2755266))
* migrate to finer zmq lib ([4eb5a07](4eb5a07))
* prevent panic when scanning from genesis block ([#408](#408)) ([1868a06](1868a06))
* remove event_handlers ([6fecfd2](6fecfd2))
* retrieve blocks until tip ([5213f5f](5213f5f))
* revisit approach ([67a34dc](67a34dc))
* use crossbeam channels ([ea33553](ea33553))
* workflow ([d434c93](d434c93))
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🎉 This PR is included in version 1.1.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

MicaiahReid pushed a commit that referenced this pull request Oct 10, 2023
## [1.1.0](v1.0.0...v1.1.0) (2023-10-10)

### Features

* allow matching with regex for stacks print_event ([#380](#380)) ([131809e](131809e)), closes [#348](#348)
* augment predicate status returned by GET/LIST endpoints ([#397](#397)) ([a100263](a100263)), closes [#396](#396) [#324](#324) [#390](#390) [#402](#402) [#403](#403)
* introduce "data_handler_tx" ([ee486f3](ee486f3))

### Bug Fixes

* build error ([85d4d91](85d4d91))
* build errors ([b9ff1aa](b9ff1aa))
* build errro ([be0c229](be0c229))
* bump retries and delays ([aff3690](aff3690))
* chainhook not being registered ([5a809c6](5a809c6))
* ensure that the parent block was previously received. else, fetch it ([2755266](2755266))
* migrate to finer zmq lib ([4eb5a07](4eb5a07))
* prevent panic when scanning from genesis block ([#408](#408)) ([1868a06](1868a06))
* remove event_handlers ([6fecfd2](6fecfd2))
* retrieve blocks until tip ([5213f5f](5213f5f))
* revisit approach ([67a34dc](67a34dc))
* use crossbeam channels ([ea33553](ea33553))
* workflow ([d434c93](d434c93))
vabanaerytk added a commit to vabanaerytk/chainhook that referenced this pull request Aug 7, 2024
## [1.1.0](hirosystems/chainhook@v1.0.0...v1.1.0) (2023-10-10)

### Features

* allow matching with regex for stacks print_event ([#380](hirosystems/chainhook#380)) ([af0fcad](hirosystems/chainhook@af0fcad)), closes [#348](hirosystems/chainhook#348)
* augment predicate status returned by GET/LIST endpoints ([#397](hirosystems/chainhook#397)) ([0f32704](hirosystems/chainhook@0f32704)), closes [#396](hirosystems/chainhook#396) [#324](hirosystems/chainhook#324) [#390](hirosystems/chainhook#390) [#402](hirosystems/chainhook#402) [#403](hirosystems/chainhook#403)
* introduce "data_handler_tx" ([a7704d8](hirosystems/chainhook@a7704d8))

### Bug Fixes

* build error ([9d47f87](hirosystems/chainhook@9d47f87))
* build errors ([27b0ae4](hirosystems/chainhook@27b0ae4))
* build errro ([6363fad](hirosystems/chainhook@6363fad))
* bump retries and delays ([483663c](hirosystems/chainhook@483663c))
* chainhook not being registered ([7d2b156](hirosystems/chainhook@7d2b156))
* ensure that the parent block was previously received. else, fetch it ([79561c8](hirosystems/chainhook@79561c8))
* migrate to finer zmq lib ([2e55a20](hirosystems/chainhook@2e55a20))
* prevent panic when scanning from genesis block ([#408](hirosystems/chainhook#408)) ([4ab8dd8](hirosystems/chainhook@4ab8dd8))
* remove event_handlers ([e3664d2](hirosystems/chainhook@e3664d2))
* retrieve blocks until tip ([d21cacc](hirosystems/chainhook@d21cacc))
* revisit approach ([47d2ef6](hirosystems/chainhook@47d2ef6))
* use crossbeam channels ([50595ab](hirosystems/chainhook@50595ab))
* workflow ([84c4ec9](hirosystems/chainhook@84c4ec9))
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3 participants