perf(delegators): significantly improve extraction performance #36
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WalkthroughThe pull request introduces modifications to two key files: Changes
Sequence DiagramsequenceDiagram
participant Reader as Delegators Reader
participant Keeper as Staking Keeper
participant Accounts as Account Walker
participant Payload as Payload Generator
Reader->>Accounts: Walk through accounts
Accounts-->>Reader: Provide account address
Reader->>Keeper: Extract delegations
Keeper-->>Reader: Return delegations
Reader->>Payload: Convert delegations to JSON
Payload-->>Reader: Return JSON payload
The sequence diagram illustrates the new flow of processing delegations, showing how the system now walks through accounts, extracts delegations, and converts them to payloads in a more streamlined manner. ✨ Finishing Touches
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Actionable comments posted: 1
🧹 Nitpick comments (1)
pkg/delegators/reader.go (1)
89-91: Simplify the delegation extraction by removing unnecessary use oflo.FlatMap.Since we're dealing with a single address, using
lo.FlatMapover a slice containing only one element adds unnecessary complexity. You can simplify the code by calling the extraction function directly.Apply this diff to simplify the code:
- delegations := lo.FlatMap([]sdk.AccAddress{addr}, - extractDelegations(ctx, r.logger, keepers.Staking, killChan), - ) + delegations, err := extractDelegations(ctx, r.logger, keepers.Staking, killChan)(addr, 0) + if err != nil { + return true, err + }
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📒 Files selected for processing (2)
pkg/delegators/reader.go(3 hunks)pkg/keeper/keeper.go(2 hunks)
🔇 Additional comments (3)
pkg/delegators/reader.go (2)
88-109:⚠️ Potential issueEnsure proper error handling and prevent potential deadlocks with
killChan.The current implementation sends errors to
killChanwithin callbacks, which may lead to blocking ifkillChanis not being consumed properly. This could cause deadlocks. Consider handling errors directly within the function or ensure thatkillChanis consumed in a non-blocking manner.Please verify that
killChanis being consumed appropriately. If necessary, adjust the error handling to prevent blocking. Here's a possible way to refactor error handling:// Inside ProcessData function err = keepers.Account.Accounts.Walk(ctx, nil, func(addr sdk.AccAddress, _ sdk.AccountI) (stop bool, err error) { - delegations := lo.FlatMap([]sdk.AccAddress{addr}, - extractDelegations(ctx, r.logger, keepers.Staking, killChan), - ) + delegations, err := extractDelegations(ctx, r.logger, keepers.Staking)(addr, 0) + if err != nil { + r.logger.Error(err.Error()) + return true, err + } // ... rest of the code })
100-105:⚠️ Potential issueAdd nil check for
delegationsto prevent potential nil pointer dereference.If
delegationsisnildue to an error, iterating over it will cause a runtime panic. Ensure you check fornilbefore iterating.Apply this diff to add a nil check:
+ if delegations == nil { + return false, nil + } for _, delegation := range delegations { json, err := delegatorToPayload(r, delegation) if err != nil { return true, err } outputChan <- json }Likely invalid or redundant comment.
pkg/keeper/keeper.go (1)
116-117: Verify that all required interfaces are registered after changing the registration method.By switching from manual interface registration to using
authtypes.RegisterInterfacesandvestingtypes.RegisterInterfaces, ensure that all necessary interfaces, including any custom ones, are properly registered. Missing interface registrations can lead to issues with encoding/decoding.Please confirm that the new registration methods cover all required interfaces. If uncertain, consider adding the following verification script:
✅ Verification successful
Standard SDK interface registration methods are correctly implemented
The verification confirms that using
authtypes.RegisterInterfacesandvestingtypes.RegisterInterfacesis sufficient as:
- No custom interfaces requiring registration were found in the codebase
- The only interface definition found is an internal IO-related interface that doesn't require codec registration
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify that all necessary interfaces are registered. # List all interfaces registered grep -rnw 'pkg/' -e 'RegisterInterface' | grep -E 'authtypes|vestingtypes' # Check for any custom interfaces that need registration grep -rnw 'pkg/' -e 'interfaceRegistry.RegisterInterface'Length of output: 128
Script:
#!/bin/bash # Search for interface registrations and definitions more broadly echo "=== Searching for interface registrations ===" rg -l "RegisterInterfaces|RegisterImplementations" --type go echo -e "\n=== Looking for interface definitions ===" ast-grep --pattern 'type $_ interface { $$$ }' echo -e "\n=== Checking for custom codec registrations ===" rg -l "codec\.Register|RegisterCodec|RegisterConcrete" --type goLength of output: 617
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✅ Actions performedComments resolved. |
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🎉 This PR is included in version 1.0.0 🎉 The release is available on GitHub release Your semantic-release bot 📦🚀 |
Switch to using the right keeper functions for extracting delegator data, making the process way faster.