feat: Better DB transaction API

[kpp]

Linked Issues

• Fixes Better DB transaction API #2846

[Copilot]

Pull Request Overview

This PR introduces a new LedgerTx struct that provides a transaction-like API for batching multiple ledger database operations together. The implementation uses ManuallyDrop to ensure that schema changes are not silently dropped without being explicitly committed or rejected.

• Adds LedgerTx struct with ManuallyDrop<SchemaBatch> wrapper
• Provides methods to add state diffs and L2 blocks to a transaction
• Implements explicit commit and reject methods for transaction control

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[codecov]

Codecov Report

❌ Patch coverage is 95.53350% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 83.7%. Comparing base (7562f51) to head (7096c4b).
⚠️ Report is 14 commits behind head on nightly.

Files with missing lines	Patch %	Lines
...reign-sdk/full-node/db/sov-db/src/ledger_db/mod.rs	68.1%	7 Missing ⚠️
crates/fullnode/src/da_block_handler.rs	97.0%	6 Missing ⚠️
crates/light-client-prover/src/da_block_handler.rs	93.1%	2 Missing ⚠️
crates/batch-prover/src/l2_syncer.rs	88.8%	1 Missing ⚠️
crates/fullnode/src/l2_syncer.rs	85.7%	1 Missing ⚠️
...sdk/full-node/db/sov-schema-db/src/schema_batch.rs	92.3%	1 Missing ⚠️

Additional details and impacted files

Files with missing lines	Coverage Δ
bin/citrea/src/rollup/mod.rs	86.3% <ø> (ø)
crates/batch-prover/src/l1_syncer.rs	94.7% <100.0%> (+0.5%)	⬆️
crates/batch-prover/src/lib.rs	98.6% <100.0%> (-0.2%)	⬇️
crates/batch-prover/src/prover.rs	97.6% <100.0%> (+<0.1%)	⬆️
crates/batch-prover/src/rpc.rs	93.4% <100.0%> (+0.3%)	⬆️
crates/common/src/l2.rs	71.9% <ø> (-1.2%)	⬇️
crates/fullnode/src/lib.rs	98.4% <100.0%> (-0.1%)	⬇️
crates/light-client-prover/src/rpc.rs	98.3% <100.0%> (-0.1%)	⬇️
crates/light-client-prover/src/services.rs	100.0% <100.0%> (ø)
crates/sequencer/src/runner.rs	92.7% <100.0%> (+1.1%)	⬆️
... and 9 more

... and 8 files with indirect coverage changes

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[Copilot]

Pull Request Overview

Copilot reviewed 4 out of 5 changed files in this pull request and generated 5 comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 18 out of 20 changed files in this pull request and generated 9 comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 21 out of 23 changed files in this pull request and generated 9 comments.

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[github-actions]

⚠️ Changelog entry missing

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feat: Better DB transaction API

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