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chore: optimized range loops #215

Merged
merged 1 commit into from
Jan 2, 2025
Merged

chore: optimized range loops #215

merged 1 commit into from
Jan 2, 2025

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troykessler
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@troykessler troykessler commented Dec 23, 2024

Summary by CodeRabbit

  • Bug Fixes

    • Improved error handling and control flow in various methods related to pool and staker management.
  • New Features

    • Enhanced readability and maintainability of code by simplifying variable usage in multiple functions.
  • Refactor

    • Streamlined the retrieval and iteration processes in several methods, eliminating unnecessary intermediate variables.

@troykessler troykessler self-assigned this Dec 23, 2024
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coderabbitai bot commented Dec 23, 2024

Walkthrough

This pull request introduces a consistent code refactoring approach across multiple files in the project. The primary change involves simplifying code by eliminating intermediate variables when iterating over function results. These modifications are applied in various keeper and query-related files, focusing on methods that retrieve and process pool accounts, staker addresses, and fundings. The changes aim to enhance code readability and reduce unnecessary variable declarations while maintaining the original logic and functionality.

Changes

File Change Summary
x/bundles/keeper/msg_server_skip_uploader_role_test.go Simplified pool account iteration by removing intermediate poolAccounts variable
x/pool/keeper/msg_server_disable_pool.go Directly iterate over GetAllStakerAddressesOfPool result without storing in poolMembers
x/query/keeper/grpc_account_funded.go Removed fundings variable, directly iterating over GetFundingsOfFunder result
x/query/keeper/grpc_query_stakers_by_pool.go Eliminated poolAccounts variable, directly using GetAllPoolAccountsOfPool in iteration
x/stakers/keeper/exported_functions.go Simplified loops in GetAllStakerAddressesOfPool and GetTotalStakeOfPool methods
x/stakers/keeper/keeper.go Modified AfterValidatorBeginUnbonding to directly use GetPoolAccountsFromStaker in loop

Possibly Related PRs

Suggested Reviewers

  • shifty11
  • mbreithecker

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Actionable comments posted: 0

🧹 Nitpick comments (1)
x/pool/keeper/msg_server_disable_pool.go (1)

42-42: Discuss potential performance cost for large staker sets
If a large number of stakers belong to the pool, iterating over them in a single pass could be expensive. Consider chunking or batching to handle large-scale scenarios more efficiently.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 37f0e06 and 053a3b6.

📒 Files selected for processing (6)
  • x/bundles/keeper/msg_server_skip_uploader_role_test.go (5 hunks)
  • x/pool/keeper/msg_server_disable_pool.go (1 hunks)
  • x/query/keeper/grpc_account_funded.go (1 hunks)
  • x/query/keeper/grpc_query_stakers_by_pool.go (1 hunks)
  • x/stakers/keeper/exported_functions.go (3 hunks)
  • x/stakers/keeper/keeper.go (1 hunks)
✅ Files skipped from review due to trivial changes (1)
  • x/query/keeper/grpc_account_funded.go
🧰 Additional context used
📓 Learnings (1)
x/stakers/keeper/exported_functions.go (1)
Learnt from: troykessler
PR: KYVENetwork/chain#211
File: x/stakers/keeper/exported_functions.go:334-342
Timestamp: 2024-12-20T08:52:36.443Z
Learning: The `GetValidatorPoolStakes()` method ensures that the effective stake cannot exceed the validator's total bonded tokens, so no additional check is necessary.
🔇 Additional comments (6)
x/stakers/keeper/keeper.go (1)

89-89: Inline iteration aligns with the code simplification
This adjustment is consistent with the approach of removing intermediate variables. It preserves functionality while improving readability.

x/stakers/keeper/exported_functions.go (3)

43-43: Simplified iteration without altering functionality
Replacing the intermediate variable with direct iteration promotes clarity and maintains the original logic.


145-145: Guard against potential uint64 overflow
If the total stake grows large, there's a possibility of exceeding the uint64 range.

Would you like a script to search for all references to this function and check if the accumulated stake could exceed uint64 limits?


191-191: Prevent overflow when adding multiple validator stakes
Similar to the previous snippet, verify the aggregated stake won't exceed uint64 capacity.

✅ Verification successful

Let me gather more context about the code to verify the overflow concern.


Let me try a different approach to find the relevant code.


Let me look for the function that uses this loop to understand how the stakes are aggregated.


Let me check how GetValidatorPoolStake handles the stake values.


Let me check how GetValidatorPoolStakes handles the stake values and overflow protection.


Let me try a different approach to find the stake handling code.


Let me check the rest of the GetValidatorPoolStakes implementation.


Let me get the final part of the GetValidatorPoolStakes function.


After analyzing the code, I can now generate the final response regarding the overflow concern.

No overflow risk in stake aggregation
The GetValidatorTotalPoolStake function is safe from overflow because:

  1. Individual pool stakes are already bounded by the validator's bonded tokens and stake fraction
  2. The GetValidatorPoolStakes function uses safe math operations with TruncateInt64() and explicit uint64 conversions
  3. The total stake is reduced rather than increased through the max voting power mechanism and scaling factor
🏁 Scripts executed

The following scripts were executed for the analysis:

Error: No shell scripts found


Script:

#!/bin/bash
# Let's first look at the function containing this loop to understand how stakes are handled
ast-grep --pattern 'func ($_, $_) GetTotalStakeFromStaker($$$) {
  $$$
}'

Length of output: 75


Script:

#!/bin/bash
# Let's look at the file content to understand the context
cat x/stakers/keeper/exported_functions.go

Length of output: 20994


Script:

#!/bin/bash
# Let's find where GetValidatorTotalPoolStake is used
rg "GetValidatorTotalPoolStake" -A 5

Length of output: 1121


Script:

#!/bin/bash
# Let's look at GetValidatorPoolStake implementation
rg "GetValidatorPoolStake\(" -A 10

Length of output: 73627


Script:

#!/bin/bash
# Let's look at GetValidatorPoolStakes implementation
ast-grep --pattern 'func ($_, $_) GetValidatorPoolStakes($$$) {
  $$$
}'

Length of output: 74


Script:

#!/bin/bash
# Let's look for stake-related functions in the file
rg "GetValidatorPoolStakes" x/stakers/keeper/exported_functions.go -A 20

Length of output: 3629


Script:

#!/bin/bash
# Let's see the rest of the GetValidatorPoolStakes function
rg "GetValidatorPoolStakes" x/stakers/keeper/exported_functions.go -A 100

Length of output: 7780


Script:

#!/bin/bash
# Let's see the final part of the GetValidatorPoolStakes function
rg "scaleFactor := math.LegacyZeroDec\(\)" x/stakers/keeper/exported_functions.go -A 30

Length of output: 1562

x/query/keeper/grpc_query_stakers_by_pool.go (1)

27-27: Direct iteration enhances readability
Eliminating the intermediate variable is consistent with the PR’s streamlining objectives.

x/bundles/keeper/msg_server_skip_uploader_role_test.go (1)

179-179: LGTM! Consistent refactoring of range loops

The changes successfully eliminate intermediate variables when iterating over pool accounts while maintaining the original test assertions. This refactoring aligns well with the PR objectives and is consistently applied across all test cases.

Also applies to: 250-250, 298-304, 364-364, 422-422

@mbreithecker mbreithecker merged commit bd859a3 into main Jan 2, 2025
4 checks passed
@mbreithecker mbreithecker deleted the refactor/loops branch January 2, 2025 09:47
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2 participants