feat: Add `CertificateChainSynchronizer` and make follower aggregators start their chain by synchronising with their leader#2634

Merged

Alenar merged 28 commits intomainfrom

djo/2534/aggregator-sync-master_follower

Jul 10, 2025

Commits on Jul 8, 2025

feat(aggregator): make leader url withstand trailing slash
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committed
refactor(aggregator): invert dependency between aggregator client and signer registration follower
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refactor(aggregator-test): extract leader follower test http server to a module
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refactor(aggregator-test): use axum test for leader aggregator http server
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feat(aggregator): scaffold `CertificateChainSynchronizer`
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feat(aggregator): impl logic that check if sync is needed
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test(aggregator): rework synchroniser test tools & prepare remote chain retrieval tests
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feat(aggregator): implement logic to retrieve/validate remote chain
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feat(aggregator): implement logic to store retrieved chain
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feat(aggregator): add logs & error context to `CertificateChainSynchronizer`
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refactor(aggregator): add a enum to make sync reason explicit in synchroniser
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refactor(aggregator): make storage of sync certificates works on a batch
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test(common): add `latest_certificate` to `CertificateChainFixture`
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test(aggregator): add 'e2e' tests to synchroniser
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feat(aggregator): add `RemoteCertificateRetriever` to `AggregatorHTTPClient`
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feat(aggregator): ensure synced data is stored from genesis to latest
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feat(aggregator): make synchroniser add an open message at process end
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feat(aggregator): make synchroniser only persist first cert of each epoch
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feat(aggregator): implement persistence of synchronised certificates
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feat(aggregator): implement persistence of openmessage created post sync
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feat(aggregator): add follower sync in state machine + wire synchroniser
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test(aggregator): update tooling to check cert have associated signed entity only if not synchronized
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test(aggregator): update `create_certificate_follower` integration test
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test: update e2e to follower auto-sync
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committed

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feat: Add `CertificateChainSynchronizer` and make follower aggregators start their chain by synchronising with their leader#2634

feat: Add `CertificateChainSynchronizer` and make follower aggregators start their chain by synchronising with their leader#2634
Alenar merged 28 commits intomainfrom
djo/2534/aggregator-sync-master_follower

Commits on Jul 8, 2025

feat(aggregator): make leader url withstand trailing slash

refactor(aggregator): invert dependency between aggregator client and signer registration follower

refactor(aggregator-test): extract leader follower test http server to a module

refactor(aggregator-test): use axum test for leader aggregator http server

feat(aggregator): scaffold `CertificateChainSynchronizer`

feat(aggregator): impl logic that check if sync is needed

test(aggregator): rework synchroniser test tools & prepare remote chain retrieval tests

feat(aggregator): implement logic to retrieve/validate remote chain

feat(aggregator): implement logic to store retrieved chain

feat(aggregator): add logs & error context to `CertificateChainSynchronizer`

refactor(aggregator): add a enum to make sync reason explicit in synchroniser

refactor(aggregator): make storage of sync certificates works on a batch

test(common): add `latest_certificate` to `CertificateChainFixture`

test(aggregator): add 'e2e' tests to synchroniser

feat(aggregator): add `RemoteCertificateRetriever` to `AggregatorHTTPClient`

feat(aggregator): ensure synced data is stored from genesis to latest

feat(aggregator): make synchroniser add an open message at process end

feat(aggregator): make synchroniser only persist first cert of each epoch

feat(aggregator): implement persistence of synchronised certificates

feat(aggregator): implement persistence of openmessage created post sync

feat(aggregator): add follower sync in state machine + wire synchroniser

test(aggregator): update tooling to check cert have associated signed entity only if not synchronized

test(aggregator): update `create_certificate_follower` integration test

test: update e2e to follower auto-sync

Commits on Jul 9, 2025

fix: address PR reviews comments

test(aggregato): in `create_certificate_follower` check open messages after sync

Commits on Jul 10, 2025

chore: update changelog

chore: upgrade crate versions