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perf: Only do memory allocation when zero coin is found (backport #10339) #10361

Merged
merged 2 commits into from
Oct 14, 2021

Commits on Oct 13, 2021

  1. perf: Only do memory allocation when zero coin is found (#10339)

    ## Description
    
    Closes: #10333
    
    Added a loop that checks for zero coins before making any memory allocations. If no zero coins are found, just return the `coins` slice as is. If a zero coin is found, then allocate the new array, stop looking for the first zero, and restart the loop to "remove" the 0's.
    
    ---
    
    ### Author Checklist
    
    *All items are required. Please add a note to the item if the item is not applicable and
    please add links to any relevant follow up issues.*
    
    I have...
    
    - [x] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
    - [ ] added `!` to the type prefix if API or client breaking change (Not Applicable)
    - [x] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
    - [x] provided a link to the relevant issue or specification
    - [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules) (Not Applicable)
    - [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) (Not Applicable)
    - [x] added a changelog entry to `CHANGELOG.md`
    - [ ] included comments for [documenting Go code](https://blog.golang.org/godoc) (Not Applicable)
    - [ ] updated the relevant documentation or specification (Not Applicable)
    - [x] reviewed "Files changed" and left comments if necessary
    - [ ] confirmed all CI checks have passed
    
    ### Reviewers Checklist
    
    *All items are required. Please add a note if the item is not applicable and please add
    your handle next to the items reviewed if you only reviewed selected items.*
    
    I have...
    
    - [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
    - [ ] confirmed `!` in the type prefix if API or client breaking change
    - [ ] confirmed all author checklist items have been addressed
    - [ ] reviewed state machine logic
    - [ ] reviewed API design and naming
    - [ ] reviewed documentation is accurate
    - [ ] reviewed tests and test coverage
    - [ ] manually tested (if applicable)
    
    (cherry picked from commit f00e7a4)
    
    # Conflicts:
    #	CHANGELOG.md
    waggonerjake authored and mergify-bot committed Oct 13, 2021
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Commits on Oct 14, 2021

  1. fix conflict

    tac0turtle committed Oct 14, 2021
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