add opcodes

[thedavidmeister]

Motivation

Solution

Checks

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• made this PR as small as possible
• unit-tested any new functionality
• linked any relevant issues or PRs
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Summary by CodeRabbit

• New Features
  • Added support for five new EVM opcodes: BLOBHASH, BLOBBASEFEE, TLOAD, TSTORE, and MCOPY, enabling compatibility with the latest Ethereum Virtual Machine specification enhancements for blob-related operations and transient storage management.

[coderabbitai]

Walkthrough

Adds five new EVM opcode constants to the EVMOpcodes library: BLOBHASH (0x49), BLOBBASEFEE (0x4A), TLOAD (0x5C), TSTORE (0x5D), and MCOPY (0x5E). These represent blob-related and transient storage operations introduced in recent EVM specifications.

Changes

Cohort / File(s)	Summary
EVM Opcode Constants src/lib/EVMOpcodes.sol	Added five new opcode constant definitions: BLOBHASH, BLOBBASEFEE for blob operations, and TLOAD, TSTORE, MCOPY for transient storage and memory operations.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Title check	❓ Inconclusive	The title 'add opcodes' is vague and overly generic, failing to specify which opcodes were added or their purpose.	Use a more descriptive title such as 'Add EVM opcodes: BLOBHASH, BLOBBASEFEE, TLOAD, TSTORE, MCOPY' to clearly convey what was added.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch 2026-02-04-L01

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