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refactor(x/auth/tx): Implement UnorderedTxManager tx validator #21426

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merged 13 commits into from
Aug 29, 2024

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hieuvubk
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@hieuvubk hieuvubk commented Aug 27, 2024

Description

Closes: #XXXX

  • abstract x/auth/tx validators
  • Add UnorderedTxManager.ValidateTx

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Summary by CodeRabbit

  • New Features

    • Introduced enhanced transaction validation with a new method to check unordered transactions and their timeout timestamps.
    • Added a decorator for improved handling of unordered transactions.
  • Bug Fixes

    • Improved error handling for invalid transactions, providing clearer feedback on transaction validity.
    • Enhanced control flow to prevent processing of invalid transactions.

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coderabbitai bot commented Aug 27, 2024

Walkthrough

Walkthrough

The changes involve significant updates to the transaction handling logic in the UnorderedTxDecorator class. A new method, ValidateTx, is introduced to perform validation checks on transactions before they are processed. The AnteHandle method is updated to invoke ValidateTx, returning nil for invalid transactions. Additionally, a conditional check is added in the ProvideModule function to include the new decorator if the UnorderedTxManager is available.

Changes

Files Change Summary
x/auth/ante/unordered.go Modified the AnteHandle method to include a new validation step via ValidateTx, which checks for unordered transactions and valid timeout timestamps.
x/auth/tx/config/depinject.go Added a conditional check in the ProvideModule function to append the UnorderedTxDecorator if in.UnorderedTxManager is not nil.
x/auth/tx/config/module.go Updated the AppModule struct to include a new field for unorderTxValidator, modified the NewAppModule constructor to accept it, and adjusted the TxValidator method to utilize the new validator for transaction checks.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant UnorderedTxDecorator
    participant NextHandler

    Client->>UnorderedTxDecorator: Submit Transaction
    UnorderedTxDecorator->>UnorderedTxDecorator: ValidateTx()
    alt If Valid
        UnorderedTxDecorator->>NextHandler: Proceed with Transaction
    else If Invalid
        UnorderedTxDecorator-->>Client: Return nil
    end
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@julienrbrt julienrbrt added the backport/v0.52.x PR scheduled for inclusion in the v0.52's next stable release label Aug 27, 2024
@hieuvubk hieuvubk marked this pull request as ready for review August 28, 2024 14:12
@hieuvubk hieuvubk requested a review from a team as a code owner August 28, 2024 14:12
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@hieuvubk your pull request is missing a changelog!

x/auth/ante/unordered.go Show resolved Hide resolved
x/auth/tx/config/depinject.go Outdated Show resolved Hide resolved
x/auth/ante/unordered.go Outdated Show resolved Hide resolved
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Actionable comments posted: 0

Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 355f4d7 and b756580.

Files selected for processing (2)
  • x/auth/ante/unordered.go (4 hunks)
  • x/auth/tx/config/depinject.go (1 hunks)
Additional context used
Path-based instructions (2)
x/auth/ante/unordered.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

x/auth/tx/config/depinject.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

Additional comments not posted (3)
x/auth/ante/unordered.go (2)

73-77: LGTM!

The AnteHandle function correctly calls the ValidateTx method before proceeding to the next handler. This improves the control flow and ensures that invalid transactions are properly handled.

The code changes are approved.


Line range hint 79-138: LGTM!

The ValidateTx function performs necessary checks to ensure the validity of unordered transactions. It handles errors appropriately and consumes gas for calculating the transaction hash.

The code changes are approved.

x/auth/tx/config/depinject.go (1)

156-159: LGTM!

The ProvideModule function correctly includes a conditional check for UnorderedTxManager and appends a new decorator to the ExtraTxValidators slice if the condition is met. This enhances the functionality by incorporating additional transaction validation logic.

The code changes are approved.

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Actionable comments posted: 0

Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between b756580 and 7e40217.

Files selected for processing (3)
  • x/auth/ante/unordered.go (4 hunks)
  • x/auth/tx/config/depinject.go (1 hunks)
  • x/auth/tx/config/module.go (4 hunks)
Files skipped from review as they are similar to previous changes (2)
  • x/auth/ante/unordered.go
  • x/auth/tx/config/depinject.go
Additional context used
Path-based instructions (1)
x/auth/tx/config/module.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

Additional comments not posted (5)
x/auth/tx/config/module.go (5)

5-5: LGTM!

The import statement for fmt is necessary for error formatting.

The code changes are approved.


23-24: LGTM!

The addition of the unorderTxValidator field to the AppModule struct enhances its capability to handle unordered transaction validation.

The code changes are approved.


34-40: LGTM!

The NewAppModule function is correctly updated to accept unorderedTxValidator as a parameter, ensuring proper initialization.

The code changes are approved.


58-61: LGTM!

The type assertion to ensure the transaction is of type sdk.Tx is necessary for validation.

The code changes are approved.


63-67: LGTM!

The conditional check to call ValidateTx of unorderTxValidator if it is not nil ensures that unordered transaction validation is performed if the validator is available.

The code changes are approved.

@julienrbrt
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@hieuvubk can you run make lint-fix?

@julienrbrt julienrbrt changed the title fix(server/v2): Implement UnorderedTxManager verification refactor(x/auth/tx): Implement UnorderedTxManager tx validator Aug 29, 2024
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Actionable comments posted: 1

Outside diff range, codebase verification and nitpick comments (1)
x/auth/ante/unordered.go (1)

Line range hint 80-144: Add comments to explain the logic.

The method can benefit from additional comments to explain the logic, making it easier to understand and maintain.

Consider adding comments like this:

func (d *UnorderedTxDecorator) ValidateTx(ctx context.Context, tx transaction.Tx) error {
	sdkTx, ok := tx.(sdk.Tx)
	if !ok {
		// The transaction is not of type sdk.Tx, return an error.
		return fmt.Errorf("invalid transaction type %T, expected sdk.Tx", tx)
	}

	unorderedTx, ok := tx.(sdk.TxWithUnordered)
	if !ok || !unorderedTx.GetUnordered() {
		// If the transaction does not implement unordered capabilities or has the
		// unordered value as false, we bypass.
		return nil
	}

	headerInfo := d.env.HeaderService.HeaderInfo(ctx)
	timeoutTimestamp := unorderedTx.GetTimeoutTimeStamp()
	if timeoutTimestamp.IsZero() || timeoutTimestamp.Unix() == 0 {
		// The unordered transaction must have a timeout_timestamp set.
		return errorsmod.Wrap(
			sdkerrors.ErrInvalidRequest,
			"unordered transaction must have timeout_timestamp set",
		)
	}
	if timeoutTimestamp.Before(headerInfo.Time) {
		// The timeout_timestamp has already passed.
		return errorsmod.Wrap(
			sdkerrors.ErrInvalidRequest,
			"unordered transaction has a timeout_timestamp that has already passed",
		)
	}
	if timeoutTimestamp.After(headerInfo.Time.Add(d.maxTimeoutDuration)) {
		// The unordered transaction's TTL exceeds the maximum allowed duration.
		return errorsmod.Wrapf(
			sdkerrors.ErrInvalidRequest,
			"unordered tx ttl exceeds %s",
			d.maxTimeoutDuration.String(),
		)
	}

	// consume gas in all exec modes to avoid gas estimation discrepancies
	if err := d.env.GasService.GasMeter(ctx).Consume(d.sha256Cost, "consume gas for calculating tx hash"); err != nil {
		return errorsmod.Wrap(sdkerrors.ErrOutOfGas, "out of gas")
	}

	// Avoid checking for duplicates and creating the identifier in simulation mode
	// This is done to avoid sha256 computation in simulation mode
	if d.env.TransactionService.ExecMode(ctx) == transaction.ExecModeSimulate {
		return nil
	}

	// calculate the tx hash
	txHash, err := TxIdentifier(uint64(timeoutTimestamp.Unix()), sdkTx)
	if err != nil {
		return err
	}

	// check for duplicates
	if d.txManager.Contains(txHash) {
		return errorsmod.Wrap(
			sdkerrors.ErrInvalidRequest,
			"tx %X is duplicated",
		)
	}
	if d.env.TransactionService.ExecMode(ctx) == transaction.ExecModeFinalize {
		// a new tx included in the block, add the hash to the unordered tx manager
		d.txManager.Add(txHash, timeoutTimestamp)
	}

	return nil
}
Review details

Configuration used: .coderabbit.yml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 7e40217 and 1931560.

Files selected for processing (3)
  • x/auth/ante/unordered.go (4 hunks)
  • x/auth/tx/config/depinject.go (2 hunks)
  • x/auth/tx/config/module.go (3 hunks)
Files skipped from review as they are similar to previous changes (2)
  • x/auth/tx/config/depinject.go
  • x/auth/tx/config/module.go
Additional context used
Path-based instructions (1)
x/auth/ante/unordered.go (1)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.

Additional comments not posted (1)
x/auth/ante/unordered.go (1)

74-78: LGTM!

The changes ensure that transactions are validated before being processed further, improving the robustness of the transaction handling process.

Comment on lines +80 to +84
func (d *UnorderedTxDecorator) ValidateTx(ctx context.Context, tx transaction.Tx) error {
sdkTx, ok := tx.(sdk.Tx)
if !ok {
return fmt.Errorf("invalid tx type %T, expected sdk.Tx", tx)
}
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Improve error message for invalid transaction type.

The error message can be more descriptive to provide better context.

Apply this diff to improve the error message:

-	return fmt.Errorf("invalid tx type %T, expected sdk.Tx", tx)
+	return fmt.Errorf("invalid transaction type %T, expected sdk.Tx", tx)
Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
func (d *UnorderedTxDecorator) ValidateTx(ctx context.Context, tx transaction.Tx) error {
sdkTx, ok := tx.(sdk.Tx)
if !ok {
return fmt.Errorf("invalid tx type %T, expected sdk.Tx", tx)
}
func (d *UnorderedTxDecorator) ValidateTx(ctx context.Context, tx transaction.Tx) error {
sdkTx, ok := tx.(sdk.Tx)
if !ok {
return fmt.Errorf("invalid transaction type %T, expected sdk.Tx", tx)
}

@hieuvubk hieuvubk added this pull request to the merge queue Aug 29, 2024
Merged via the queue into main with commit 17d864f Aug 29, 2024
77 checks passed
@hieuvubk hieuvubk deleted the hieu/unordertx branch August 29, 2024 09:16
mergify bot pushed a commit that referenced this pull request Aug 29, 2024
julienrbrt pushed a commit that referenced this pull request Aug 29, 2024
…kport #21426) (#21456)

Co-authored-by: Hieu Vu <72878483+hieuvubk@users.noreply.github.com>
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3 participants