[EPIC] Malleability C level

[illia-malachyn]

Malleability C level

This epic involves a comprehensive overhaul of structs under Category C to address significant malleability vulnerabilities. These structs require a major revision due to their complexity, high usage, or their role in workflows, where structural malleability could lead to security risks, data integrity issues, or unintended behavior.

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1. [Malleability C] flow.Block #6716
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2. [Malleability C] flow.CertifiedBlock #6717
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3. [Malleability C] hotstuff CertifiedBlock #6718
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4. [Malleability C] TransactionBody #6719
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5. [Malleability] ChunkDataPack #6720
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6. [Malleability] Collection #6721
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7. [Malleability] CollectionGuarantee #6722
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8. [Malleability] TransactionResult #6723
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