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feat(oe): Enable OE by default (target: v8.0+) #2595

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merged 3 commits into from
Nov 25, 2024
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@teddyding teddyding commented Nov 22, 2024

Changelist

[Describe or list the changes made in this PR]

Test Plan

[Describe how this PR was tested (if applicable)]

Author/Reviewer Checklist

  • If this PR has changes that result in a different app state given the same prior state and transaction list, manually add the state-breaking label.
  • If the PR has breaking postgres changes to the indexer add the indexer-postgres-breaking label.
  • If this PR isn't state-breaking but has changes that modify behavior in PrepareProposal or ProcessProposal, manually add the label proposal-breaking.
  • If this PR is one of many that implement a specific feature, manually label them all feature:[feature-name].
  • If you wish to for mergify-bot to automatically create a PR to backport your change to a release branch, manually add the label backport/[branch-name].
  • Manually add any of the following labels: refactor, chore, bug.

Summary by CodeRabbit

  • New Features

    • The default setting for optimistic execution is now enabled, enhancing performance for users without requiring manual configuration.
    • Improved configurability for launching the validator application with additional command-line arguments.
  • Bug Fixes

    • No bug fixes were included in this release.
  • Documentation

    • No updates to documentation were made in this release.
  • Chores

    • Minor internal adjustments to flag settings were performed.

@teddyding teddyding marked this pull request as ready for review November 22, 2024 15:18
@teddyding teddyding requested a review from a team as a code owner November 22, 2024 15:18
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coderabbitai bot commented Nov 22, 2024

Walkthrough

The changes in this pull request modify the default value of the OptimisticExecutionEnabled flag in the flags.go file from false to true. This adjustment affects the initialization of the Flags struct, ensuring that instances created without explicit values for this field will have optimistic execution enabled by default. Additionally, the launchValidatorInDir function in app.go is updated to accept an additionalCmdArgs parameter, enhancing the configurability of the validator launch process.

Changes

File Path Change Summary
protocol/app/flags/flags.go Default value of DefaultOptimisticExecutionEnabled changed from false to true.
protocol/testutil/app/app.go launchValidatorInDir function signature updated to include additionalCmdArgs ...string.

Possibly related PRs

Suggested labels

feature:optimistic_execution

Suggested reviewers

  • jayy04

🐰 In the land of code where flags reside,
A change was made, with joy and pride.
The default now lets optimism soar,
With execution enabled, we’ll do much more!
So hop along, let the features bloom,
In our coding garden, there’s always room! 🌼


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📒 Files selected for processing (1)
  • protocol/testutil/app/app.go (1 hunks)
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  • protocol/testutil/app/app.go

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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (1)
protocol/app/flags/flags.go (1)

83-84: Consider adding validation for version compatibility

Since this feature is specifically targeted for v8.0+, consider adding version validation in the Validate() method to prevent unintended usage in earlier versions.

Would you like me to propose a version validation implementation?

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  • protocol/app/flags/flags.go (1 hunks)
🔇 Additional comments (1)
protocol/app/flags/flags.go (1)

83-83: ⚠️ Potential issue

⚠️ State-breaking change: Enabling optimistic execution by default

This change modifies the default behavior of block execution for all nodes that don't explicitly set this flag. This is a significant change that could affect consensus and should be clearly documented as a state-breaking change.

Let's verify the impact by checking for any explicit flag settings in configuration files:

Comment on lines +83 to 84
DefaultOptimisticExecutionEnabled = true
DefaultOptimisticExecutionTestAbortRate = 0
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🛠️ Refactor suggestion

Add migration guide and version compatibility notes

Since this is targeting v8.0+, please:

  1. Document the version requirement
  2. Add migration instructions for existing nodes
  3. Document any performance implications or requirements

Consider adding these details in the flag description:

 cmd.Flags().Bool(
   OptimisticExecutionEnabled,
-  DefaultOptimisticExecutionEnabled,
-  "Whether to enable optimistic block execution",
+  DefaultOptimisticExecutionEnabled,
+  "Whether to enable optimistic block execution. "+
+    "Default: enabled (as of v8.0+). "+
+    "Note: Disabling this flag on v8.0+ may impact performance. "+
+    "For migration instructions, see: <docs-url>",
 )

Committable suggestion skipped: line range outside the PR's diff.

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
protocol/testutil/app/app.go (1)

Line range hint 1301-1322: Consider improving command arguments organization.

While the implementation is correct, the command arguments list could be more maintainable with the following improvements:

  1. Group related flags together (e.g., daemon flags, oracle flags)
  2. Consider using constants for repeated values like "false"
  3. Add comments to explain the purpose of each group of flags

Example organization:

 cmdArgs := []string{
     "start",
-    // Do not start tendermint.
-    "--grpc-only",
-    "true",
-    "--home",
-    validatorHomeDir,
-    // TODO(CORE-29): Allow the daemons to be launched and cleaned-up successfully by default.
-    "--price-daemon-enabled",
-    "false",
-    "--bridge-daemon-enabled",
-    "false",
-    "--liquidation-daemon-enabled",
-    "false",
-    "--bridge-daemon-eth-rpc-endpoint",
-    "https://eth-sepolia.g.alchemy.com/v2/demo",
-    "--oracle.enabled=false",
-    "--oracle.metrics_enabled=false",
-    "--log_level=error",
+    // Core settings
+    "--grpc-only", "true",  // Do not start tendermint
+    "--home", validatorHomeDir,
+    "--log_level=error",
+    
+    // Daemon settings
+    // TODO(CORE-29): Allow the daemons to be launched and cleaned-up successfully by default
+    "--price-daemon-enabled=false",
+    "--bridge-daemon-enabled=false",
+    "--liquidation-daemon-enabled=false",
+    "--bridge-daemon-eth-rpc-endpoint=https://eth-sepolia.g.alchemy.com/v2/demo",
+    
+    // Oracle settings
+    "--oracle.enabled=false",
+    "--oracle.metrics_enabled=false",
 }
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  • protocol/testutil/app/app.go (5 hunks)
🔇 Additional comments (2)
protocol/testutil/app/app.go (2)

1252-1252: LGTM! Function signature change enhances configurability.

The addition of the variadic parameter additionalCmdArgs allows for flexible injection of command-line arguments, improving the function's testability and configurability.


536-540: LGTM! Appropriate usage of optimistic execution flag.

The crashingApp instance is correctly configured to disable optimistic execution, which:

  1. Aligns with testing requirements
  2. Allows testing both enabled and disabled states
  3. Maintains consistency during app restarts

Also applies to: 566-570

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
protocol/testutil/app/app.go (1)

1311-1311: LGTM! Consider adding a comment explaining the default test behavior.

The addition of --optimistic-execution-enabled=false flag is correct and aligns with the PR's objective of enabling optimistic execution by default in production while allowing it to be explicitly disabled in tests.

Consider adding a comment above this line explaining why optimistic execution is disabled by default in test environments, for example:

+		// Disable optimistic execution by default in tests to ensure deterministic behavior
		"--optimistic-execution-enabled=false",
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  • protocol/testutil/app/app.go (1 hunks)

@teddyding teddyding merged commit 8d0570d into main Nov 25, 2024
22 checks passed
@teddyding teddyding deleted the td/enable-oe-default branch November 25, 2024 15:34
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