feat(taiko-client): check router on taiko wrapper before allowing preconf block to be made

[cyberhorsey]

Will block preconfs from being submitted if we disable the router, barring a sequencer issue of failing to detect this and tryign to preconf blocks.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 42 lines in your changes missing coverage. Please review.

Project coverage is 26.48%. Comparing base (b599ffe) to head (4b8cafb).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/taiko-client/driver/preconf_blocks/api.go	0.00%	41 Missing ⚠️
...river/chain_syncer/event/blocks_inserter/pacaya.go	0.00%	1 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
...kages/taiko-client/driver/preconf_blocks/server.go	9.98% <ø> (ø)
...river/chain_syncer/event/blocks_inserter/pacaya.go	0.00% <0.00%> (ø)
packages/taiko-client/driver/preconf_blocks/api.go	0.00% <0.00%> (ø)

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[davidtaikocha]

Changed to use s.rpc.GetPreconfRouterPacaya (which includes RPC timeout), and approved.

[Copilot]

Pull Request Overview

This PR introduces a router check in the preconfirmation block creation process to ensure that preconfirmation submissions are allowed only when the router is enabled.

• Added a simple router check in the BuildPreconfBlock method.
• Introduced new imports and error handling logic in the API.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
packages/taiko-client/driver/preconf_blocks/server.go	Added a newline that improves code readability.
packages/taiko-client/driver/preconf_blocks/api.go	Implemented a router check before preconfirmation block creation.

Comments suppressed due to low confidence (1)

packages/taiko-client/driver/preconf_blocks/api.go:75

• [nitpick] Enhance the error message to include additional context or guidance on how to resolve the issue when preconfirmation is disabled by the taikoWrapper.

if preconfRouter == rpc.ZeroAddress {