2026q3 Nim Core Libraries

ift-ts:nim:ift:2026q3-nim-core-libs

Description

Maintain and extend the foundational Nim libraries required by IFT teams.

Task List

NAT traversal and nim-libplum

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:nat-traversal-nim-libplum
• owner: Constantine
• status: done
• start-date: 2026/07/01
• end-date: 2026/09/30

Description

• Continue the NAT traversal work through nim-libplum, using libplum as the preferred path for PCP, NAT-PMP, and UPnP support.
• Avoid expanding nim-nat-traversal directly unless the libplum approach proves unsuitable.
• Decide whether consumers should migrate directly to nim-libplum or whether a compatibility layer / nat-traversal API emulation is worth implementing.

Deliverables

• logos-storage/nim-libplum#15 feat: protocol filter
• logos-storage/nim-libplum#16 chore: release 0.6.0
• logos-storage/nim-libplum#14 chore: point libplum submodule to upstream paullouisageneau master (v0.6.0)
• logos-storage/nim-libplum#10 Use Nim Docker image
• logos-storage/nim-libplum#11 Remove cmake

Protobuf Serialization Docs

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:protobuf-serialization-docs
• owner: Constantine
• status: done
• start-date: 2026/07/01
• end-date: 2026/08/18

Description

• Improve documentation for Protobuf Serialization.
• Cover usage guidance, examples, and integration notes needed by downstream teams.

Deliverables

• status-im/nim-protobuf-serialization#83 Add docs about serializing with type extensions

Thread Pool Library

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:thread-pool-library
• owner: Esteban
• status: in progress (80%)
• start-date: 2026/07/01
• end-date: 2026/09/30

Description

• Continue improving nim-taskpools with fixes and missing functionality.
• Port the remaining relevant taskpool features from mratsim/constantine into nim-taskpools.
• Keep the ported functionality covered by tests and suitable for downstream consumers.

Deliverables

• status-im/nimbus-eth1#4638 Bump nim-taskpools to v0.2.1
• status-im/nimbus-eth2#8879 Bump nim-taskpools to v0.2.1
• status-im/nim-taskpools#60 Bump to v0.2.1
• status-im/nim-taskpools#63 Clean up futexes_macos XDeclaredButNotUsed
• status-im/nim-taskpools#61 Fix schedule race cond which causes a hang
• status-im/nim-taskpools#62 Fix emscripten compile target
• status-im/nim-taskpools#59 sync: allow awaiting threads to sleep
• status-im/nim-taskpools#58 Set worker current task
• status-im/nim-taskpools#56 Reduce allocs: make TaskNode intrusive to the Flowvar
• status-im/nim-taskpools#54 Fixes #5; Event notifier is a bottleneck for very small tasks
• status-im/nim-taskpools#51 Fix #6; Support tasks submitted from a thread that is not managed by the threadpool
• status-im/nim-taskpools#55 Test suite based on benchs
• status-im/nim-taskpools#52 Fix TSan detected data races

Nim Web3 Error Handling and Issue Triage

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:nim-web3
• owner: Constantine
• status: in progress (90%)
• start-date: 2026/07/01
• end-date: 2026/09/30

Description

• Review and improve nim-web3 error handling now that nim-json-rpc checked-raises work is mostly done.
• Start with status-im/nim-web3#257 and clean up outdated or noisy exception handling where relevant.
• Review the open nim-web3 issue backlog and close or update stale items where possible.

Deliverables

• status-im/nim-web3#262 Replace ci-install.sh with nimble test
• status-im/nim-web3#263 Cherry-pick tests for the Nim packages test suite
• status-im/nim-web3#45 Encoding of mixed dynamic/fixed arguments fails
• status-im/nim-web3#215 Nested tuple encoding produces incorrect offset calculations
• status-im/nim-web3#220 Objects should be transformed as tuple when generating function

Maintenance

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:maintenance
• owner: Constantine
• status: in progress (50%)
• start-date: 2026/07/01
• end-date: 2026/09/30

Description

• Ongoing maintenance and fixes across Nim core libraries.

Deliverables

• status-im/nimbus-common-workflow#29 Add linux arm64 to matrix
• status-im/nim-json-rpc#289 Fix #285; Do not swallow cancellations in socket client
• status-im/nim-chronos#704 Docs: Improve User Guide visibility
• status-im/nim-json-rpc#288 CI speed up
• status-im/nim-protobuf-serialization#114 Add readFieldPackedIntoIt without value param
• status-im/nim-faststreams#91 Add outputs pos comptime support
• nim-lang/nimble#1818 Docs: Install Nimble: Simplify the PowerShell oneliner command.
• status-im/nimbus-eth2#8818 Feature: Use Opt instead of Option in Presto code
• vacp2p/nim-cbor-serialization#40 Bump to v0.4.2
• vacp2p/nim-cbor-serialization#39 Bump nph to 0.7.0
• vacp2p/nim-cbor-serialization#38 Fix #36; Compile-time CDDL parsing fails with invalid type
• status-im/nim-protobuf-serialization#113 Bump to v0.6.1
• status-im/nim-protobuf-serialization#112 More proto editions tests
• status-im/nim-protobuf-serialization#109 Add proto editions pragma
• Nim track-based find-references and go-to-definition announcement
• status-im/nim-stint#175 Replace for-loops with staticFor for StInt of size 4096 and lower
• nim-lang/nimble#1781 nimble dump: nimDir is empty a special version of Nim is required
• nim-lang/langserver#425 Fix SIGSEGV in writeOutput when writing after stdio teardown
• nim-lang/langserver#426 Prevent CancelledError escaping addProjectFileToPendingRequest killing the server
• nim-lang/langserver#427 Fix KeyError in removeIdleNimsuggests aborting idle project cleanup
• nim-lang/langserver#429 Make markFailed idempotent so one nimsuggest crash restarts once
• nim-lang/langserver#430 Reset failTable count when a nimsuggest starts successfully
• status-im/nim-json-rpc#286 CI: test with ASan
• status-im/nim-json-rpc#281 Fix #280; Result of method returning void fails to parse
• status-im/nim-chronos#688 Fix error in new after replacing getAddress with getHttpAddress
• status-im/nim-json-rpc#283 Restrict proxy server raises to JsonRpcError
• status-im/nim-json-rpc#282 Restrict client raises to JsonRpcError
• status-im/nim-json-rpc#279 Support notification in rpc context for non-async method
• status-im/nim-json-rpc#263 Documentation book

Documentation Improvement

• fully qualified name: ift-ts:nim:ift:2026q3-nim-core-libs:docs-improvement
• owner: Constantine
• status: in progress (25%)
• start-date: 2026/08/01
• end-date: 2026/08/31

Description

• Add missing documentation to IFT packages (e.g. Presto).
• Improve documentation tooling (e.g. nim doc as mdBook replacement).

Deliverables

• PRs and docs