feat(verification): Changes to Support `0.69.0` CN Protobuf and Produced blocks#1993

Merged

AlfredoG87 merged 35 commits intomainfrom

hashing-hapi-69

Jan 16, 2026

Commits on Jan 12, 2026

Changes to Support `0.69.0` CN Protobuf and Produced blocks
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Fixed e2e tests by setting simulator craft mode to 0.69
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Removed masking of NoSuchAlgorithmException under a RuntimeException, since is on the construction, it should fail under the right exception at the class that is instantiating it, and either force …
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fixing simulator tests after upgrade to 0.69.0 HAPI version
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Improving BlockProof Selection condition to only use Tss Based proof by checking hasSignedBlockProof and verifying there is a single one.
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improved getSingle error message
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- Verification plugin now calculates the root of all previous block hashes when starting from genesis.
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stylefix
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UT latest fixes
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Added File Save and Load for All previous hasher
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Fixing and re-ordering tidy up logic
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Extracted and encapsulated all logic around the rootOfAllPreviousBlockStreamingHasher into class: AllBlocksHasherHandler that handles initialization and lifecycle managing.
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nice QOL code
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Added Adequate coverage with every conceivable test case including an edge case.
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Used a custom protobuf for enconding the hasher snapshot and optimized it to used the intermeadiate hashes instead of all the previous hasher to buildd the StreamingHasher, also fixed the Streaming…
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small codacy and spotless fixes
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more spotless :)
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remove testing debugging leftover code
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UT improvements
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Improved Tests and added lastBlockHash to root_hash_of_all_previous_blocks_hasher.proto snapshot file for easy retrieval and simplifying load process making it more resilient
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small nit
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Small test improvements
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simplifying hasher logic
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PR review suggestions
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PR review suggestions
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removed Typo
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improved script for building the protobuf
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style fix after rebase due to hiero gradle plugin upgrade on main
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Commits on Jan 13, 2026

Commits on Jan 15, 2026

PR review feedback
AlfredoG87
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Commits on Jan 16, 2026

Collapsed 3-line annotation+parameter declaration to single line
AlfredoG87
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