[Access] Add index for account transactions

[peterargue]

No description provided.

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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 peter/account-transactions-api

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[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

Package	Version	Score	Details
gomod/github.com/onflow/flow	0.4.20-0.20260214160309-cf4461323391	🟢 4.4	Details Check Score Reason Code-Review ⚠️ 0 Found 0/23 approved changesets -- score normalized to 0 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Maintained 🟢 10 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 Security-Policy 🟢 10 security policy file detected Fuzzing ⚠️ 0 project is not fuzzed License 🟢 10 license file detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Branch-Protection ⚠️ 0 branch protection not enabled on development/release branches Packaging ⚠️ -1 packaging workflow not detected Binary-Artifacts 🟢 9 binaries present in source code Signed-Releases ⚠️ -1 no releases found SAST 🟢 7 SAST tool detected but not run on all commits Vulnerabilities ⚠️ 0 12 existing vulnerabilities detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0
gomod/github.com/onflow/flow	0.4.20-0.20260214160309-cf4461323391	🟢 4.4	Details Check Score Reason Code-Review ⚠️ 0 Found 0/23 approved changesets -- score normalized to 0 CII-Best-Practices ⚠️ 0 no effort to earn an OpenSSF best practices badge detected Dangerous-Workflow 🟢 10 no dangerous workflow patterns detected Maintained 🟢 10 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 Security-Policy 🟢 10 security policy file detected Fuzzing ⚠️ 0 project is not fuzzed License 🟢 10 license file detected Token-Permissions ⚠️ 0 detected GitHub workflow tokens with excessive permissions Branch-Protection ⚠️ 0 branch protection not enabled on development/release branches Packaging ⚠️ -1 packaging workflow not detected Binary-Artifacts 🟢 9 binaries present in source code Signed-Releases ⚠️ -1 no releases found SAST 🟢 7 SAST tool detected but not run on all commits Vulnerabilities ⚠️ 0 12 existing vulnerabilities detected Pinned-Dependencies ⚠️ 0 dependency not pinned by hash detected -- score normalized to 0

Scanned Files

• go.mod
• integration/go.mod

[codecov-commenter]

Codecov Report

❌ Patch coverage is 27.61463% with 1405 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
storage/mock/account_transactions_bootstrapper.go	0.00%	182 Missing ⚠️
cmd/access/node_builder/access_node_builder.go	0.00%	148 Missing ⚠️
storage/mock/account_transactions.go	0.00%	138 Missing ⚠️
cmd/observer/node_builder/observer_builder.go	0.00%	107 Missing ⚠️
...e_synchronization/indexer/extended/mock/indexer.go	0.00%	95 Missing ⚠️
...onization/indexer/extended/mock/indexer_manager.go	0.00%	69 Missing ⚠️
access/backends/extended/mock/api.go	0.00%	66 Missing ⚠️
.../backends/extended/backend_account_transactions.go	35.64%	61 Missing and 4 partials ⚠️
storage/mock/account_transactions_range_reader.go	0.00%	53 Missing ⚠️
storage/mock/account_transactions_reader.go	0.00%	53 Missing ⚠️
... and 27 more

📢 Thoughts on this report? Let us know!