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3,807 commits this week May 15, 2026 - May 22, 2026
N3: LeiosDbConfig configuration entry + thread to consensus
Introduces 'Cardano.Node.Configuration.Leios.LeiosDbConfig' with two
constructors:

  - LeiosDbInMemory          (matches 'LeiosDbConnection's in-memory backend)
  - LeiosDbSQLite !FilePath  (SQLite backend, file relative to node CWD)

Wired through 'PartialNodeConfiguration' / 'NodeConfiguration' as
'ncLeiosDbConfig' with JSON parsing ('"LeiosDbConfig":{"Backend":...,
"Filepath":...}') and a default of 'LeiosDbSQLite "leios.db"'.

At node startup ('Cardano.Node.Run.handleSimpleNode'), the configured
backend is materialised into a 'LeiosDbHandle' (via 'newLeiosDBInMemory'
/ 'newLeiosDBSQLite') and passed into 'RunNodeArgs' through a new
'rnLeiosDb :: Maybe (LeiosDbHandle m)' field, which consensus's
'runWith' threads into the Leios kernel's shared connection.
'Nothing' falls back to the in-memory default.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
tx-generator: adapt to Leios-extended Codecs + Reception-wrapped recv
The consensus Leios chunks extended 'NTN.Codecs' with two extra type
parameters ('bLN' / 'bLF', for LeiosNotify and LeiosFetch), and the
network-side BearerBytes/Reception work changed 'runPeerWithLimits' to
return 'Maybe (Reception bytes)' (instead of 'Maybe bytes') and made
'byteLimitsKeepAlive' parameter-less.

Update 'tx-generator' to compile against the rebased stack:

  - Pull in 'ouroboros-network:framework-tracing' as a sublib dependency.
  - Extend the local 'myCodecs' type to 9 'ByteString' parameters (was 7).
  - Update 'kaClient' return type to 'IO ((), Maybe (Mux.Reception ByteString))'.
  - Drop the size-function argument from 'byteLimitsKeepAlive'.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
N2: wire Leios tracers into cardano-node Tracers / OrphanInstances
The consensus Leios chunks added four fields to the consensus tracer
records that cardano-node assembles in 'Cardano.Tracing.Tracers' (old
style) and 'Cardano.Node.Tracing.Tracers' (new style):

  - Consensus.Tracers'      gained 'leiosKernelTracer' and 'leiosPeerTracer'
  - NodeToNode.Tracers'     gained 'tLeiosNotifyTracer' and 'tLeiosFetchTracer'

This commit populates those fields in both 'mkTracers' code paths so
the record-construction sites are total. All four are wired to
'nullTracer' for now; the corresponding 'Transformable' / 'MetaTrace'
instances and EKG metrics are left as TODO. The new-style tracing
system will accordingly emit a 'TracerConsistencyWarnings' for the
four Leios namespaces declared in the config.yaml — that surfaces the
gap explicitly rather than silently dropping the configuration.

Adds the corresponding selectors to 'TraceSelection' / 'PartialTraceSelection'
and their JSON parsing:

  - traceLeiosKernel          / Consensus.LeiosKernel
  - traceLeiosPeer            / Consensus.LeiosPeer
  - traceLeiosNotifyProtocol  / LeiosNotify.Remote
  - traceLeiosFetchProtocol   / LeiosFetch.Remote

Also drops the duplicate 'LogFormatting (Simple/Stateful.TraceSendRecv)'
and 'MetaTrace (Simple/Stateful.TraceSendRecv)' instances that the
upstream leios-prototype branch carried in
'Cardano/Node/Tracing/Tracers/NodeToClient.hs' — they are now provided
by 'ouroboros-network:framework-tracing' and would collide if redefined
here.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
Pin SRPs at the Leios prototype remake forks (consensus / ledger / network)
Updates cabal.project to point at the three rebased Leios forks that
ship with this cardano-node 11.0.1 build:

  - ouroboros-consensus  @  IntersectMBO/ouroboros-consensus
    branch leios-prototype-remake-3.0.1.0
    Single squashed Leios commit on top of release-3.0.1.0
    (mempool + diffusion + chain inclusion + voting + demo).
  - ouroboros-network    @  IntersectMBO/ouroboros-network
    branch leios-prototype-remake-1.1.0.0
    Three Leios commits on top of ouroboros-network-1.1.0.0
    (BearerBytes, Reception arrival-time, drop unused imports)
    + a trace-dispatcher version bump for compat with cardano-node 11.0.1.
  - cardano-ledger       @  IntersectMBO/cardano-ledger
    branch leios-prototype-remake
    Adds 'Maybe LeiosCert' on the Dijkstra block body
    (Dijkstra-only, mirrors 'Maybe PerasCert').

Also drops the 'dmq-node' extra-package (its latest CHaP release
requires ouroboros-network:framework-tracing, a sublib name that
the remade network fork doesn't carry).

Vendors a one-line 'ekg-forward' source patch (left untouched here)
to match the network's pre-bump 'ConnectToArgs' shape.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
Bump qs and express
Bumps [qs](https://github.com/ljharb/qs) and [express](https://github.com/expressjs/express). These dependencies needed to be updated together.

Updates `qs` from 6.14.2 to 6.15.2
- [Changelog](https://github.com/ljharb/qs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ljharb/qs/compare/v6.14.2...v6.15.2)

Updates `express` from 4.22.1 to 4.22.2
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/v4.22.2/History.md)
- [Commits](https://github.com/expressjs/express/compare/v4.22.1...v4.22.2)

---
updated-dependencies:
- dependency-name: qs
  dependency-version: 6.15.2
  dependency-type: indirect
- dependency-name: express
  dependency-version: 4.22.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
N3: LeiosDbConfig configuration entry + thread to consensus
Introduces 'Cardano.Node.Configuration.Leios.LeiosDbConfig' with two
constructors:

  - LeiosDbInMemory          (matches 'LeiosDbConnection's in-memory backend)
  - LeiosDbSQLite !FilePath  (SQLite backend, file relative to node CWD)

Wired through 'PartialNodeConfiguration' / 'NodeConfiguration' as
'ncLeiosDbConfig' with JSON parsing ('"LeiosDbConfig":{"Backend":...,
"Filepath":...}') and a default of 'LeiosDbSQLite "leios.db"'.

At node startup ('Cardano.Node.Run.handleSimpleNode'), the configured
backend is materialised into a 'LeiosDbHandle' (via 'newLeiosDBInMemory'
/ 'newLeiosDBSQLite') and passed into 'RunNodeArgs' through a new
'rnLeiosDb :: Maybe (LeiosDbHandle m)' field, which consensus's
'runWith' threads into the Leios kernel's shared connection.
'Nothing' falls back to the in-memory default.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
Pin SRPs at the Leios prototype remake forks (consensus / ledger / network)
Updates cabal.project to point at the three rebased Leios forks that
ship with this cardano-node 11.0.1 build:

  - ouroboros-consensus  @  IntersectMBO/ouroboros-consensus
    branch leios-prototype-remake-3.0.1.0
    Single squashed Leios commit on top of release-3.0.1.0
    (mempool + diffusion + chain inclusion + voting + demo).
  - ouroboros-network    @  IntersectMBO/ouroboros-network
    branch leios-prototype-remake-1.1.0.0
    Three Leios commits on top of ouroboros-network-1.1.0.0
    (BearerBytes, Reception arrival-time, drop unused imports)
    + a trace-dispatcher version bump for compat with cardano-node 11.0.1.
  - cardano-ledger       @  IntersectMBO/cardano-ledger
    branch leios-prototype-remake
    Adds 'Maybe LeiosCert' on the Dijkstra block body
    (Dijkstra-only, mirrors 'Maybe PerasCert').

Also drops the 'dmq-node' extra-package (its latest CHaP release
requires ouroboros-network:framework-tracing, a sublib name that
the remade network fork doesn't carry).

Vendors a one-line 'ekg-forward' source patch (left untouched here)
to match the network's pre-bump 'ConnectToArgs' shape.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
N2: wire Leios tracers into cardano-node Tracers / OrphanInstances
The consensus Leios chunks added four fields to the consensus tracer
records that cardano-node assembles in 'Cardano.Tracing.Tracers' (old
style) and 'Cardano.Node.Tracing.Tracers' (new style):

  - Consensus.Tracers'      gained 'leiosKernelTracer' and 'leiosPeerTracer'
  - NodeToNode.Tracers'     gained 'tLeiosNotifyTracer' and 'tLeiosFetchTracer'

This commit populates those fields in both 'mkTracers' code paths so
the record-construction sites are total. All four are wired to
'nullTracer' for now; the corresponding 'Transformable' / 'MetaTrace'
instances and EKG metrics are left as TODO. The new-style tracing
system will accordingly emit a 'TracerConsistencyWarnings' for the
four Leios namespaces declared in the config.yaml — that surfaces the
gap explicitly rather than silently dropping the configuration.

Adds the corresponding selectors to 'TraceSelection' / 'PartialTraceSelection'
and their JSON parsing:

  - traceLeiosKernel          / Consensus.LeiosKernel
  - traceLeiosPeer            / Consensus.LeiosPeer
  - traceLeiosNotifyProtocol  / LeiosNotify.Remote
  - traceLeiosFetchProtocol   / LeiosFetch.Remote

Also drops the duplicate 'LogFormatting (Simple/Stateful.TraceSendRecv)'
and 'MetaTrace (Simple/Stateful.TraceSendRecv)' instances that the
upstream leios-prototype branch carried in
'Cardano/Node/Tracing/Tracers/NodeToClient.hs' — they are now provided
by 'ouroboros-network:framework-tracing' and would collide if redefined
here.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
tx-generator: adapt to Leios-extended Codecs + Reception-wrapped recv
The consensus Leios chunks extended 'NTN.Codecs' with two extra type
parameters ('bLN' / 'bLF', for LeiosNotify and LeiosFetch), and the
network-side BearerBytes/Reception work changed 'runPeerWithLimits' to
return 'Maybe (Reception bytes)' (instead of 'Maybe bytes') and made
'byteLimitsKeepAlive' parameter-less.

Update 'tx-generator' to compile against the rebased stack:

  - Pull in 'ouroboros-network:framework-tracing' as a sublib dependency.
  - Extend the local 'myCodecs' type to 9 'ByteString' parameters (was 7).
  - Update 'kaClient' return type to 'IO ((), Maybe (Mux.Reception ByteString))'.
  - Drop the size-function argument from 'byteLimitsKeepAlive'.

Co-Authored-By: Claude Opus 4.7 <[email protected]>