added more detail missing security log in gmdl

The old name was unnecessarily vague

.env

@@ -29,6 +29,9 @@
 #     tools/deploy.sh --help
 #
 
+### Host/Runtime ###
+TZ=Etc/UTC
+
 ### Sparkd ###
 # The internal image for sparkd to use. For more info, view:
 #   src/server/sparkd/Dockerfile
@@ -38,6 +41,9 @@ SPARKD__CONFIG_DIR=src/app_sparkd/configurations/dev
 # Mount a specific volume or dir to "~/sparkdata/data" inside the docker.
 # Defaults to a volume named "sparkd_<config_port>" (e.g., sparkd_8000).
 # SPARKD__DATA_DIR=/home/bts/sparkdata/data
+# Mount volume or dir to "/md_recording" inside the docker. Defaults to volume
+# "sparkd_md_recording_<config_port>" (e.g., sparkd_md_recording_8000).
+# SPARKD__MD_RECORDING_DIR=/home/bts/md_recording
 SPARKD__SOURCE_DIR=install/sparkd-release-gcc
 SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf/
 SPARKD__CONFIG_PORT=8000
@@ -45,6 +51,8 @@ SPARKD__QUICKBUS_PORT=8001
 SPARKD__SIM_FIX_PORT=8002
 SPARKD__SHM_SIZE=4gb
 SPARKD__PYTHON_REQUIREMENTS=requirements.txt
+SPARKD__SPARKD_ENTRYPOINT=src/app_sparkd/sparkd-entrypoint.sh
+SPARKD__MAIN_ENTRYPOINT=./sparkd-entrypoint.sh
 
 ### PubSubServer ###
 PUBSUB__CONFIG_DIR=src/DataStreamSuite/PubSubServer/Configurations/Development

.vscode/launch.json

@@ -183,11 +183,10 @@
       "windows": {
         "program": "PubSubServer.exe",
       },
-      "args": [
-        "--config",
-        "${workspaceFolder}/src/DataStreamSuite/PubSubServer/Configurations/${input:pubSubServerConfig}.json"
-      ],
       "cwd": "build/Debug/bin/net8.0",
+      "env": {
+        "DOTNET_ENVIRONMENT": "${input:pubSubServerEnvironment}",
+      },
       "stopAtEntry": false,
       "console": "integratedTerminal"
     },
@@ -214,7 +213,7 @@
       "type": "coreclr",
       "request": "launch",
       "program": "",
-      "preLaunchTask": "Build Api Server (Debug)",
+      "preLaunchTask": "Build Spark Sdk (Debug)",
       "windows": {
         "program": "Bts.Spark.Sdk.Demo.exe",
       },
@@ -286,7 +285,7 @@
       "windows": {
         "program": "Spark.exe",
         "args": [
-          "--sparkd",
+          "--Spark:ConfigServer",
           "${input:sparkConfigServer}"
         ],
         "cwd": "build/Debug/bin/net8.0-windows",
@@ -449,14 +448,15 @@
       "default": "Local",
     },
     {
-      "id": "pubSubServerConfig",
+      "id": "pubSubServerEnvironment",
       "type": "pickString",
-      "description": "PubSub Configuration",
+      "description": "PubSubServer Configuration",
       "options": [
-        "PubSubServer",
-        "SimpleEchoClient",
+        "Development",
+        "EchoServer",
+        "Local",
       ],
-      "default": "PubSubServer",
+      "default": "Development",
     },
     {
       "id": "sdkDemoEnvironment",

compose.yaml

@@ -2,6 +2,7 @@ services:
   sparkd:
     volumes:
       - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
     build:
       dockerfile: src/app_sparkd/Dockerfile
       args:
@@ -9,24 +10,35 @@ services:
         - SOURCE_DIR=${SPARKD__SOURCE_DIR}
         - CONFIG_DIR=${SPARKD__CONFIG_DIR}
         - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
     shm_size: "${SPARKD__SHM_SIZE:-512mb}"
-    command: >
-      sh -c "
-        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/sparkd/data
-        if [ -e "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" ]; then
-          mv "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log_$(date '+%Y%m%d-%H%M')"
-        fi
-        if [ -e "/home/bts/.local/share/bts/conf/.env.local" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/conf/.env.local'
-          set -a
-          . /home/bts/.local/share/bts/sparkd/conf/.env.local
-          set +a
-        fi
-        if [ -d /home/bts/.local/share/bts/sparkd/conf/plugins ]; then
-          echo 'Copying /home/bts/.local/share/bts/sparkd/conf/plugins to runtime dir (/home/bts/bin)'
-          cp -r /home/bts/.local/share/bts/sparkd/conf/plugins /home/bts/bin/
-        fi
-        ./sparkd run"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    ports:
+      - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
+      - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
+      - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-4gb}"
+
+  sparkd-shell:
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+    build:
+      dockerfile: docker/images/bluetradingsystems/linux_shell/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-512mb}"
+    command: "do sleep 1; done"
     env_file:
       - .env
       - ${SPARKD__CONFIG_DIR}/.env
@@ -42,6 +54,7 @@ services:
   sparkd-symbols:
     volumes:
       - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
       - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
     build:
       dockerfile: src/app_sparkd/Dockerfile
@@ -50,26 +63,8 @@ services:
         - SOURCE_DIR=${SPARKD__SOURCE_DIR}
         - CONFIG_DIR=${SPARKD__CONFIG_DIR}
         - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
     shm_size: "${SPARKD__SHM_SIZE:-512mb}"
-    command: >
-      sh -c "
-        echo bts | sudo -S chown -R bts:bts /home/bts/.local/share/bts/sparkd
-        if [ -e "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" ]; then
-          mv "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log" "/home/bts/.local/share/bts/sparkd/data/logging.sparkd/log_$(date '+%Y%m%d-%H%M')"
-        fi
-        ls -alh /home/bts/.local/share/bts/sparkd/conf/
-        cat /home/bts/.local/share/bts/sparkd/conf/.env.local
-        if [ -e "/home/bts/.local/share/bts/sparkd/conf/.env.local" ]; then
-          echo 'Sourcing /home/bts/.local/share/bts/sparkd/conf/.env.local'
-          set -a
-          . /home/bts/.local/share/bts/sparkd/conf/.env.local
-          set +a
-        fi
-        if [ -d /home/bts/.local/share/bts/sparkd/conf/plugins ]; then
-          echo 'Copying /home/bts/.local/share/bts/sparkd/conf/plugins to runtime dir (/home/bts/bin)'
-          cp -r /home/bts/.local/share/bts/sparkd/conf/plugins /home/bts/bin/
-        fi
-        ./sparkd run"
     env_file:
       - .env
       - ${SPARKD__CONFIG_DIR}/.env
@@ -77,6 +72,7 @@ services:
       - "${SPARKD__CONFIG_PORT}:${SPARKD__CONFIG_PORT}"
       - "${SPARKD__QUICKBUS_PORT}:${SPARKD__QUICKBUS_PORT}"
       - "${SPARKD__SIM_FIX_PORT}:${SPARKD__SIM_FIX_PORT}"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
     deploy:
       restart_policy:
         condition: any
@@ -84,7 +80,65 @@ services:
       resources:
         limits:
           memory: "${SPARKD__MEMORY:-4gb}"
-
+  sparkd-multicast:
+    environment:
+      - TZ=America/Chicago
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-8192mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    network_mode: "host"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      restart_policy:
+        condition: any
+        delay: 3s
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-16gb}"
+  
+  
+  sparkd-multicast-cert:
+    environment:
+      - TZ=America/Chicago
+    volumes:
+      - ${SPARKD__DATA_DIR:-sparkd_data}:/home/bts/.local/share/bts/sparkd/data
+      - ${SPARKD__MD_RECORDING_DIR:-md_recording}:/md_recording
+      - ${SPARKD__RUNTIME_CONF_DIR:-sparkd_conf}:/home/bts/.local/share/bts/sparkd/conf
+    build:
+      dockerfile: src/app_sparkd/Dockerfile
+      args:
+        - IMAGE=${SPARKD__IMAGE}
+        - SOURCE_DIR=${SPARKD__SOURCE_DIR}
+        - CONFIG_DIR=${SPARKD__CONFIG_DIR}
+        - PYTHON_REQUIREMENTS=${SPARKD__PYTHON_REQUIREMENTS}
+        - SPARKD_ENTRYPOINT=${SPARKD__SPARKD_ENTRYPOINT}
+    shm_size: "${SPARKD__SHM_SIZE:-8192mb}"
+    env_file:
+      - .env
+      - ${SPARKD__CONFIG_DIR}/.env
+    network_mode: "host"
+    entrypoint: ${SPARKD__MAIN_ENTRYPOINT}
+    deploy:
+      restart_policy:
+        condition: any
+        delay: 3s
+      resources:
+        limits:
+          memory: "${SPARKD__MEMORY:-16gb}"
+  
   sparkd-tail:
     image: bluetradingsystems/linux_dotnet8
     volumes:
@@ -195,3 +249,6 @@ volumes:
     name: "md_publisher_22019"
   historic_md:
     name: "historic_md"
+  md_recording:
+    name: "sparkd_md_recording_${SPARKD__CONFIG_PORT:-8000}"
+    external: true

doc/sparkd-security-id-lifecycle.md

@@ -0,0 +1,942 @@
+# Security ID handling in `sparkd`
+
+This document traces how security identifiers are created, translated, persisted,
+indexed, and published by the `sparkd` market-data paths. It focuses on the
+legacy CME MDP3/OnixS pipeline and the newer generalized market-data pipeline.
+
+## Executive summary
+
+`sparkd` uses two identifiers that must not be confused:
+
+| Identifier | Meaning | Typical field | Lifetime |
+|---|---|---|---|
+| Exchange/feed ID | The venue's identifier used to route incoming definitions, books, and trades | `FixedSecurity::numeric_id`, `ExchangeKey`, or `domain::Security::security_common.exchange_sec_id` | Feed/session-specific unless the source guarantees stability |
+| Spark security key | Spark's internal non-zero identifier used in shared memory, APIs, orders, positions, and downstream services | `FixedSecurity::key`, `api::Security::id()`, `SecurityKey`; historically also called `security_id` | Intended to be stable across restarts |
+
+`invalid_security_key` is `0`; a security with key `0` is not yet publicly
+discoverable through the shared-memory consumer path.
+
+The two principal paths differ:
+
+- **MDP3/OnixS:** the definition callback sets only the CME ID in
+  `numeric_id`. `MDProducer::add_security()` allocates the shared-memory entry
+  with key `0`. `SecurityIDRecorder`, driven by a 200 ms dispatcher timer,
+  resolves or inserts a stable key in `key_ids.sqlite`; its callback finally
+  calls `MDProducerHandle::set_key()`.
+- **Generalized/newer pipeline:** `GeneralMarketDataListener::on_securities()`
+  currently uses the ID already present on the incoming domain security
+  (`use_given_sec_key == true`). Live adapters normally obtain that ID
+  synchronously from `IDGenerator` first. `_copy_security_common()` then copies
+  it to both `FixedSecurity::key` and `numeric_id`, so
+  `MDProducer::add_security()` publishes it synchronously. Only the listener's
+  own fallback `IDGenerator` call is bypassed by the current constant.
+
+## End-to-end diagrams
+
+### CME MDP3 / OnixS
+
+```mermaid
+sequenceDiagram
+    participant FE as OnixS feed-engine thread
+    participant L as MDP3Listener
+    participant P as MDProducer / shared memory
+    participant Q as SecurityIDRecorder queues
+    participant D as sparkd dispatcher thread
+    participant DB as key_ids.sqlite
+
+    FE->>L: instrument definition (CME SecurityID)
+    L->>L: set_security_common() - numeric_id = CME SecurityID, key remains 0
+    L->>P: add_security(FixedSecurity)
+    P->>P: allocate hot + cold entries with key 0
+    P->>Q: ensure_key(handle)
+    L->>L: index[CME SecurityID] = handle
+    Note over FE,L: Books can route by CME ID while the Spark key is pending
+    D->>Q: every 200 ms - work_spreads(), work_handles(), work_db()
+    Q->>DB: find (namespace, descriptor), or insert a new row
+    DB-->>Q: SQLite rowid = Spark security key
+    Q->>P: handle.set_key(rowid)
+    P->>P: hot.key first, then cold security.key, then increment security_count
+    Note over P: The security is now public to shared-memory consumers
+```
+
+### Generalized/newer pipeline (current behavior)
+
+```mermaid
+sequenceDiagram
+    participant A as Venue adapter / plugin
+    participant DB as IDGenerator / key_ids.sqlite
+    participant G as GeneralMarketDataListener
+    participant I as GeneralSecurityIndex
+    participant P as MDProducer / shared memory
+
+    A->>DB: get_or_add(venue, type, adapter key)
+    DB-->>A: SQLite rowid as domain SecurityID
+    A->>G: on_securities(domain Security list with ID)
+    G->>G: _find_sec() - use incoming security_common.id
+    G->>G: _copy_security_common() - key = id, numeric_id = id
+    G->>P: add_security(FixedSecurity with non-zero key)
+    P->>P: set_key() during add_security()
+    G->>I: index[id] = handle
+    Note over G,P: No asynchronous ID assignment in the current configuration
+```
+
+## Data-flow charts
+
+The sequence diagrams above emphasize timing and thread transitions. These
+flowcharts emphasize which identifier is carried through each representation
+and where data is retained.
+
+### MDP3 / legacy data flow
+
+```mermaid
+flowchart TD
+    CME["CME MDP3 packets<br/>CME SecurityID"] --> ONIXS["OnixS feed engine<br/>decode definition and updates"]
+
+    ONIXS --> DEF["MDP3Listener definition callback"]
+    DEF --> FIXED["FixedSecurity<br/>numeric_id = CME SecurityID<br/>key = 0"]
+
+    FIXED --> PRODUCER["MDProducer::add_security"]
+    PRODUCER --> PENDING["Hot and cold shared memory<br/>allocated but not public<br/>key = 0"]
+    PRODUCER --> QUEUE["SecurityIDRecorder<br/>pending_handle queue"]
+
+    FIXED --> CMEINDEX["CMESecurityIndex<br/>CME SecurityID to handle"]
+
+    QUEUE --> TIMER["Dispatcher timer<br/>every 200 ms"]
+    TIMER --> LEGS{"Spread legs<br/>all resolved?"}
+    LEGS -- No --> UNRESOLVED["unresolved_legs<br/>exchange IDs awaiting keys"]
+    UNRESOLVED --> CMEINDEX
+    CMEINDEX --> LEGS
+    LEGS -- Yes or outright --> LOGICAL["Logical identity<br/>venue + type + security_desc"]
+
+    LOGICAL --> SELECT["SQLite SELECT<br/>key_ids.sqlite"]
+    SELECT -- Existing row --> ROWID["SQLite rowid<br/>Spark security key"]
+    SELECT -- Missing row --> INSERT["Batched SQLite INSERT"]
+    INSERT --> ROWID
+
+    ROWID --> SETKEY["MDProducerHandle::set_key"]
+    SETKEY --> HOT["Write hot-entry key"]
+    HOT --> COLD["Write cold security key"]
+    COLD --> COUNT["Increment security_count"]
+    COUNT --> PUBLIC["Public security<br/>visible to MDConsumer"]
+
+    ONIXS --> UPDATE["Book, trade, status, or RFQ<br/>carrying CME SecurityID"]
+    UPDATE --> CMEINDEX
+    CMEINDEX --> HANDLE["MDProducerHandle"]
+    HANDLE --> LIVE["Update live shared-memory data"]
+    PUBLIC --> LIVE
+```
+
+The CME index is usable before the Spark key is assigned, so feed updates can
+reach the internal handle while the security is still hidden from consumers.
+The persistent rowid crosses the publication boundary only at `set_key()`.
+
+### Generalized/newer data flow
+
+```mermaid
+flowchart TD
+    FEED["Venue feed, Databento,<br/>Python plugin, or replay"] --> ADAPTER["Source adapter<br/>build domain::Security"]
+
+    ADAPTER --> IDTYPE{"Live definition or<br/>recorded/pre-keyed input?"}
+    IDTYPE -- Live --> IDINPUT["Logical identity<br/>venue + type + adapter-chosen name"]
+    IDINPUT --> MUTEX["IDGenerator global mutex"]
+    MUTEX --> SELECT["Synchronous SQLite SELECT<br/>key_ids.sqlite"]
+    SELECT -- Existing row --> ROWID["SQLite rowid"]
+    SELECT -- Missing row --> INSERT["Synchronous SQLite INSERT<br/>autocommit"]
+    INSERT --> ROWID
+    ROWID --> DOMAINID["domain::SecurityID<br/>used as Spark ID"]
+    IDTYPE -- Recorded or pre-keyed --> DOMAINID
+
+    DOMAINID --> DOMAINSEC["SecurityCommon::id = Spark ID"]
+    DOMAINSEC --> LISTENER["GeneralMarketDataListener::on_securities"]
+    LISTENER --> CCMAP["cc_sec_id_map<br/>incoming ID to Spark ID"]
+    LISTENER --> CONVERT["_copy_security_common<br/>FixedSecurity.key = ID<br/>numeric_id = ID"]
+
+    CONVERT --> PRODUCER["MDProducer::add_security"]
+    PRODUCER --> SETKEY["Immediate set_key<br/>no recorder timer"]
+    SETKEY --> SHM["Hot and cold shared memory<br/>immediately public"]
+    CONVERT --> GENERALINDEX["GeneralSecurityIndex<br/>ID to handle"]
+
+    FEED --> EVENT["Book, trade, or statistics<br/>with exchange/source identity"]
+    EVENT --> EVENTMAP["Adapter map<br/>source identity to domain::SecurityID"]
+    EVENTMAP --> EVENTID["Event carries domain::SecurityID"]
+    EVENT --> PYHOT["Python bridge only<br/>synchronous IDGenerator lookup"]
+    PYHOT --> EVENTID
+    PYHOT -. uses same mutex and SQLite path .-> MUTEX
+    EVENTID --> CCMAP
+    CCMAP --> GENERALINDEX
+    GENERALINDEX --> HANDLE["MDProducerHandle"]
+    HANDLE --> SHMUPDATE["Update book, trade,<br/>statistics, or status"]
+    SHM --> SHMUPDATE
+
+```
+
+In the normal newer live path, persistence occurs before the definition enters
+the generalized listener. The DB call therefore adds synchronous adapter-side
+latency, but publication needs no later timer. Most adapters use an in-memory
+map for subsequent events; the dotted Python path is the documented exception.
+
+## The publication boundary
+
+`MDProducerHandle::set_key()` is the definitive publication point for the
+legacy shared-memory representation. Its write ordering is intentional:
+
+1. Write the key into the hot book entry (`HotEntry` or `HotDepthEntry`).
+2. Write the key into the cold security entry.
+3. Increment the cold header's public `security_count`.
+
+The cold security key is written last because consumers treat a non-zero cold
+key as visibility. At that moment the corresponding hot entry must already be
+addressable. `set_key()` only permits the transition from `0` to one key; it is
+not a key-update mechanism.
+
+## Identifier representations
+
+The names are historically inconsistent. In particular, many protobuf fields
+named `security_id` contain the **Spark key**, not the exchange's ID.
+
+| Layer | Exchange/feed identifier | Spark identifier |
+|---|---|---|
+| MDP3 wire/OnixS | `securityId()` | not present |
+| Legacy fixed security | `FixedSecurity::numeric_id` (`uint64_t`) | `FixedSecurity::key` / `security_key` (`uint32_t`) |
+| Legacy API security | venue-specific `exchange_id` | top-level `Security.id()` |
+| New domain model | `SecurityCommon::exchange_sec_id` (string) is descriptive; `SecurityCommon::id` is also used to correlate source events | `domain::SecurityID` (`uint64_t`), currently copied into the Spark key |
+| Shared-memory hot book | none | `HotEntry::key` or `HotDepthEntry::key` |
+| Shared-memory cold metadata | `FixedSecurity::numeric_id` | `FixedSecurity::key` |
+| CME runtime lookup | `CMESecurityIndex` key | `SecurityData::handle.key()` |
+| General runtime lookup | incoming/canonical `domain::SecurityID` | `GeneralSecurityIndex` key and `handle.key()` (currently the same value) |
+
+The generalized model declares `domain::SecurityID` as 64-bit, but the legacy
+shared-memory `security_key` remains 32-bit. `_copy_security_common()` assigns a
+64-bit value to both `numeric_id` and the 32-bit `key`. This is safe only while
+allocated IDs fit in 32 bits; unlike the legacy lookup path, this assignment has
+no explicit checked conversion.
+
+## Which parts use exchange IDs, descriptors, or Spark security IDs?
+
+The three identifier classes serve different jobs:
+
+- **Exchange/external ID:** routes data inside a venue or vendor feed adapter.
+- **Descriptor/natural key:** recognizes a definition logically at the
+  persistence, discovery, or human-facing boundary.
+- **Spark security ID/key:** joins the instrument to books, orders, fills,
+  positions, and services after publication.
+
+The core downstream system does not repeatedly identify a security from its
+description. The description is primarily used to obtain a Spark key; after
+that boundary, most joins use the numeric Spark key.
+
+### Component-level usage matrix
+
+| Component or data path | Exchange/external ID | Descriptor or name | Spark security ID/key |
+|---|---|---|---|
+| CME MDP3 definition decoder | Reads `securityId()` and stores it in `FixedSecurity::numeric_id` | Copies definition symbol/tag 55 into `security_desc` | Leaves `FixedSecurity::key` at `0` initially |
+| `CMESecurityIndex` | Primary map key; CME ID resolves to a handle | Not used for update routing | Returns `handle.key()` when the Spark key has been assigned |
+| MDP3 books, trades, status, statistics, and RFQs | Incoming CME ID selects the handle through `CMESecurityIndex` | Not used to locate each update | The selected handle writes keyed shared-memory/trade data after publication |
+| MDP3 spread definitions | Each leg initially contains `legSecurityId()` as `exchange_key` | Parent `security_desc` identifies the spread's DB row | Each leg's Spark key and then the parent Spark key must be resolved before publication |
+| Legacy ICE OnixS | Uses ICE `marketId` as `numeric_id` and index key | ICE security description becomes the logical lookup name | Uses the same recorder-assigned Spark key pattern as MDP3 |
+| `SecurityIDRecorder` | Does not allocate from the external ID | Uses `(venue, security type, securities::descriptor())` to find/create a row | Treats the SQLite rowid as the resulting Spark key |
+| Native generalized adapters | Use exchange strings/numeric IDs to parse definitions and correlate updates | Usually pass a description or exchange instrument name to `IDGenerator` | Put the returned ID into `SecurityCommon::id` and later events |
+| Databento adapter | Uses `msg.hd.instrument_id` for feed correlation and its in-memory map | Uses the decimal instrument ID string—not the human description—as the `IDGenerator` name | Caches `instrument_id -> domain::SecurityID` and places that ID on books/trades |
+| Python bridge | Reads `exchange_security_id` from definitions, books, and trades | Uses that external-ID string as the `IDGenerator` name | Resolves it to `domain::SecurityID`; currently performs this lookup for every event |
+| `IDGenerator` | Does not interpret whether `name` came from an exchange ID | Uses exactly `(venue, type, caller-supplied name)` | Returns the SQLite rowid as a 64-bit ID |
+| `GeneralMarketDataListener` | Does not route on `exchange_sec_id` directly | Copies `sec.desc()` into fixed metadata; its disabled fallback allocator would use `sec.desc()` | Uses incoming `SecurityCommon::id`, maps events through `cc_sec_id_map`, and copies the value into both `key` and `numeric_id` |
+| `GeneralSecurityIndex` | No separate external-ID concept in the current use-given path | Not used | Maps the generalized ID/Spark key to `MDProducerHandle` |
+| `MDProducer` / shared memory | Retains `numeric_id`; in legacy feeds this is the exchange ID, but in the generalized path it is currently the Spark ID | Stores `security_desc` in the cold definition | Uses the key in hot/cold entries; non-zero key is the visibility boundary |
+| `MDConsumer` | Not normally used to find live books | Can enumerate/filter converted security definitions | Finds handles and book data by `security_key` |
+| `SecurityCache` / `securities.sqlite` | Preserves venue-specific exchange data inside the serialized security blob | Maintains descriptor/name lookup indexes and supports venue/type/name queries | Primary persisted definition key is `api::Security.id()` |
+| MBO processor and MBO service | May retain exchange **order** IDs, which are separate from security exchange IDs | Not used to find the instrument | Indexes snapshots and requests by `SecurityKey`; MBO protobuf `security_id` means Spark key |
+| Order manager and algorithms | Execution gateways eventually use venue-specific fields from the resolved security to encode orders | Descriptions appear in logs and errors, not as the primary join | Order definitions, subscriptions, book events, native orders, spread legs, and fills use `security_key` / `Security.id()` |
+| Position, PNL, and risk services | Not used as their position join | May resolve metadata for display/reporting | Positions, fills, overrides, and PNL handles are keyed by Spark security ID |
+| Relay and market-data recordings | Serialized security definitions may preserve venue exchange IDs | Preserve full descriptors in recorded definitions | Books, updates, trades, and replay correlation preserve the recorded Spark key |
+| Synthetic security service | No venue exchange ID; synthetics use `VENUE_BTS` | Synthetic name is the recorder's logical descriptor | Recorder assigns the SQLite rowid and synthetic metadata is keyed by it |
+
+### Exchange/external IDs: where they stop
+
+In MDP3 the separation is explicit:
+
+```text
+CME SecurityID
+    -> FixedSecurity.numeric_id
+    -> CMESecurityIndex lookup
+    -> MDProducerHandle
+    -> Spark security_key for downstream publication
+```
+
+The external CME ID continues to route feed messages but does not become the
+order/position key. This permits the same downstream Spark key to survive a
+restart as long as the logical descriptor mapping remains in
+`key_ids.sqlite`, even if the feed must rediscover the CME routing ID.
+
+The generalized path collapses more of these roles:
+
+```text
+exchange/vendor identity
+    -> adapter calls IDGenerator
+    -> domain::SecurityID
+    -> FixedSecurity.key and FixedSecurity.numeric_id
+    -> GeneralSecurityIndex and downstream Spark key
+```
+
+`SecurityCommon::exchange_sec_id` may still contain the original textual
+external identifier, but `GeneralMarketDataListener` does not use it to route
+events and does not put it in `numeric_id`. The adapter must translate later
+events to `domain::SecurityID` before invoking the listener.
+
+### Descriptor/name users
+
+Descriptors are used in three main places:
+
+1. **Key allocation:** `SecurityIDRecorder` uses the legacy venue-specific
+   descriptor, while `IDGenerator` uses its caller-provided `name`.
+2. **Definition lookup and discovery:** `SecurityCache` supports
+   venue/type/name lookup; symbol filters and administrative tools use security
+   metadata to select or display instruments.
+3. **Diagnostics:** logs include symbols and descriptions so humans can
+   understand a numeric key.
+
+Descriptions generally do not drive the high-rate book, trade, order, fill, or
+position paths. Those paths use numeric IDs after definition resolution.
+
+It is important that “descriptor” does not mean one universal canonical field:
+
+- Legacy CME uses Globex `security_desc` from tag 55.
+- Many generalized adapters use `sec.desc()` or an exchange instrument name.
+- Databento uses its numeric instrument ID converted to a string.
+- Python uses `exchange_security_id`.
+
+Therefore, two adapters may describe the same economic contract but request
+different logical rows and receive different Spark IDs.
+
+### Spark security-ID users
+
+Once a security is published, its Spark key is the dominant system identifier:
+
+```mermaid
+flowchart LR
+    KEY["Spark security key"] --> SHM["Hot/cold shared memory"]
+    KEY --> MDC["MDConsumer and book subscriptions"]
+    KEY --> MBO["MBO snapshots and queries"]
+    KEY --> OMS["Orders, algorithms, and spread legs"]
+    KEY --> FILLS["Fills and execution records"]
+    KEY --> POS["Positions, PNL, and risk"]
+    KEY --> API["Services and client APIs"]
+    KEY --> REC["Relay and market-data recordings"]
+    KEY --> SECDB["Serialized security definitions"]
+```
+
+Fields named `security_id`, `security_key`, or top-level `Security.id()` in
+these downstream areas almost always mean the Spark key. They should not be
+compared directly with CME `SecurityID`, Databento `instrument_id`, or another
+venue/vendor identifier without going through the relevant adapter/index
+mapping.
+
+## Persistence and allocation
+
+### The authoritative key mapping: `key_ids.sqlite`
+
+Both allocators use `SqliteStore("key_ids")`. With the normal configuration the
+file is:
+
+```text
+<SystemConfig.data_path>/databases/key_ids/key_ids.sqlite
+```
+
+The database contains one table and two indexes:
+
+```sql
+CREATE TABLE store (ns TEXT, key TEXT, value TEXT);
+CREATE UNIQUE INDEX key_index ON store(ns, key);
+CREATE INDEX ns_index ON store(ns);
+```
+
+The SQLite `rowid` is the generated Spark key. `ns` is normally
+`<VENUE>.<SECURITY_TYPE>` (for example `GLBX.FUTURE`), and `key` is the security
+descriptor chosen by the caller. `value` is normally empty. Therefore ID
+stability depends on all three of these remaining stable:
+
+- the configured `data_path` and preservation of this database;
+- the venue/type namespace;
+- the descriptor supplied by the feed adapter.
+
+The two allocator implementations share the file and convention:
+
+- `SecurityIDRecorder` (legacy): derives the namespace from legacy API enums and
+  uses `securities::descriptor()`. For CME this is the Globex
+  `security_desc`, populated from the definition's symbol/tag 55.
+- `IDGenerator` (newer): derives the namespace from new domain enums and uses
+  the caller's `name`. Most adapters pass `sec.desc()` or an exchange instrument
+  identifier; Databento deliberately passes the decimal instrument ID, and the
+  Python bridge uses the exchange security ID.
+
+### Logical-row examples
+
+The following names are illustrative. Production uses the exact string emitted
+by the selected feed/adapter, including its case, spacing, and weekly-series
+notation.
+
+#### Legacy `SecurityIDRecorder`
+
+For CME, `set_security_common()` copies the MDP3 definition's symbol/tag 55 into
+Globex `security_desc`. After converting the fixed security to
+`api::Security`, `securities::descriptor()` returns that same
+`glbx.security_desc()` string.
+
+| Instrument | Legacy enums | Example descriptor from `security_desc` | Row searched/inserted in `store` |
+|---|---|---|---|
+| Future | `VENUE_GLBX`, `SECURITYTYPE_FUTURE` | `ESZ6` | `ns='GLBX.FUTURE', key='ESZ6'` |
+| Standard option | `VENUE_GLBX`, `SECURITYTYPE_OPTION` | `ESZ6 C6500` | `ns='GLBX.OPTION', key='ESZ6 C6500'` |
+| Weekly option | `VENUE_GLBX`, `SECURITYTYPE_OPTION` | `ESZ6-W1 C6500` | `ns='GLBX.OPTION', key='ESZ6-W1 C6500'` |
+| Spot from a legacy-compatible venue path | `VENUE_COINBASE`, `SECURITYTYPE_SPOT` | `BTC-USD` | `ns='COINBASE.SPOT', key='BTC-USD'` |
+
+A weekly option does not get a special namespace. Standard and weekly options
+are both `SECURITYTYPE_OPTION`, so both live in `GLBX.OPTION`; the exact
+`security_desc` distinguishes the weekly series. For example, if the database
+assigned rowids `42001` through `42004` to the rows above, those integers—not
+the descriptor strings—would be the Spark security keys.
+
+Conceptually, legacy allocation is:
+
+```text
+future:        lookup_or_insert("GLBX.FUTURE",  "ESZ6")
+option:        lookup_or_insert("GLBX.OPTION",  "ESZ6 C6500")
+weekly option: lookup_or_insert("GLBX.OPTION",  "ESZ6-W1 C6500")
+spot:          lookup_or_insert("COINBASE.SPOT", "BTC-USD")
+```
+
+#### Newer `IDGenerator`
+
+The namespace result is similar, but the third argument is chosen by the
+adapter. Examples using a description-oriented adapter are:
+
+```cpp
+get_or_add(VENUE_GLBX, SECURITY_TYPE_FUTURE, "ESZ6");
+// store: ns="GLBX.FUTURE", key="ESZ6"
+
+get_or_add(VENUE_GLBX, SECURITY_TYPE_OPTION, "ESZ6 C6500");
+// store: ns="GLBX.OPTION", key="ESZ6 C6500"
+
+get_or_add(VENUE_GLBX, SECURITY_TYPE_OPTION, "ESZ6-W1 C6500");
+// store: ns="GLBX.OPTION", key="ESZ6-W1 C6500"
+
+get_or_add(VENUE_COINBASE, SECURITY_TYPE_SPOT, "BTC-USD");
+// store: ns="COINBASE.SPOT", key="BTC-USD"
+```
+
+Databento intentionally produces a different logical row even when the human
+description is `ESZ6`. If its instrument ID were `12345678`, it would call the
+equivalent of:
+
+```cpp
+get_or_add(VENUE_GLBX, SECURITY_TYPE_FUTURE, "12345678");
+// store: ns="GLBX.FUTURE", key="12345678"
+```
+
+Likewise, the Python bridge uses `exchange_security_id`. A spot definition with
+`exchange_security_id="BTC-USD"` produces the `COINBASE.SPOT / BTC-USD` row,
+while a provider that sends `exchange_security_id="BTCUSD"` produces a
+different row and therefore a different Spark key.
+
+These examples show why the tuple is only logical when the adapter's naming
+contract is also known. `GLBX.FUTURE / ESZ6` and `GLBX.FUTURE / 12345678` may
+describe the same contract to a human but are distinct rows to `key_ids.sqlite`.
+
+Both enum-prefix removals currently produce the same namespace spelling (for
+example, `GLBX.OPTION`), so both mechanisms allocate from one global SQLite
+rowid space. Live rows cannot share a rowid. The table does not declare
+`AUTOINCREMENT`, however, so deleting rows—especially the highest row—can allow
+SQLite to reuse a number later. Security-key rows should therefore be treated
+as append-only operational data.
+
+`SqliteStore` uses WAL mode and `PRAGMA synchronous = 0`. This favors startup
+and feed latency over maximum durability against a host/power failure. The
+unique `(ns, key)` index prevents two different rows for the same logical
+security.
+
+### Other places the key is stored
+
+| Location | Purpose | Authoritative for allocation? |
+|---|---|---|
+| Hot and cold shared-memory segments | Live publication and fast consumer lookup | No; rebuilt at process startup |
+| `CMESecurityIndex` / `GeneralSecurityIndex` and adapter maps | In-process routing from an incoming ID to a producer handle | No; in-memory only |
+| `<data_path>/databases/md/securities.sqlite` | Serialized legacy `api::Security` definitions keyed by Spark key; used by security cache and MDP3 Sunday preload | No; it stores metadata after a key exists |
+| Relay/market-data recordings | Preserve the key embedded in recorded securities, books, and trades for deterministic replay | No; replay normally reuses the recorded value |
+| Orders, fills, positions, APIs | Reference a security by the published Spark key | No |
+
+The `SecurityIDRecorder::work_db()` comment says a published security is also
+recorded in the security database, but that function does **not** write
+`securities.sqlite` in the current code. Full security definitions are persisted
+separately by `SecurityCache::flush_to_disk()` through
+`db::insert_or_replace()`.
+
+## CME MDP3 / OnixS pipeline in detail
+
+### 1. Construction and thread setup
+
+`MDP3Main::PImpl` owns one `CMESecurityIndex`, one `SecurityIDRecorder`, and one
+`MDProducer`. It constructs the recorder with:
+
+- a lookup callback that maps `ExchangeKey` through the CME index to the
+  handle's current Spark key; and
+- `Dispatcher::current()`, which drives a 200 ms recorder timer.
+
+In the current `MarketDataGateway` route, `OnixsGlbxSubscription` creates a
+dedicated `dispatcher_thread`, constructs and starts `MDP3Main` on that thread,
+then calls that thread's dispatcher `run()`. The older `md run onixs` command
+uses its command/dispatcher thread similarly.
+
+The OnixS feed engine has its own configured thread pool. Instrument and market
+data callbacks therefore originate on OnixS feed-engine threads, while recorder
+database work and final key assignment execute on the MDP3 dispatcher thread.
+
+| MDP3 stage | Executing thread | DB call? |
+|---|---|---|
+| Decode definition and set CME `numeric_id` | OnixS feed-engine callback thread | No |
+| Allocate hot/cold entry and queue handle | Same OnixS callback thread | No |
+| Add CME-ID index entry | Same OnixS callback thread | No |
+| Resolve spread legs | MDP3 dispatcher thread, on 200 ms timer | No |
+| Select/insert Spark key | MDP3 dispatcher thread, on 200 ms timer | Yes |
+| `handle.set_key()` and public visibility | MDP3 dispatcher thread, in DB callback | No additional call |
+
+### 2. Definition callback: exchange ID is set, Spark key is not
+
+For futures, options, and spreads, `MDP3Listener::set_security_common()` does:
+
+```cpp
+fsec.numeric_id = def.securityId();
+```
+
+It also copies symbol/descriptor/venue and pricing fields. A newly constructed
+`FixedSecurity` already has `key == invalid_security_key` (`0`), and this helper
+does not change it.
+
+For a spread, every leg starts with:
+
+```cpp
+leg.exchange_key = ExchangeKey(definition_leg.legSecurityId());
+leg.key = invalid_security_key;
+```
+
+Thus both the parent and legs initially carry exchange-routing identity, but no
+Spark identity.
+
+### 3. Shared-memory allocation and exchange indexing
+
+`MDP3Listener::add_security()` performs these operations in order:
+
+1. `_producer.add_security(security)` allocates a hot entry and a variable-sized
+   cold entry and copies the security into the cold segment.
+2. Because the key is `0`, `MDProducer` queues the handle through
+   `SecurityIDRecorder::ensure_key()`.
+3. `_index.add_security(security.numeric_id, handle)` immediately creates the
+   CME-ID-to-handle mapping.
+4. The initial exchange status is written through the handle.
+
+This ordering means incoming books can already be routed by CME ID while the
+Spark key is pending. Shared-memory consumers cannot discover the security yet.
+Also, `MDProducerHandle::add_trade()` only appends to the public trade queue
+when `key() != 0`, so a trade received in this short window updates the cold
+last-trade state but is not added to the keyed trade log.
+
+### 4. Recorder tick: spreads, handles, then database
+
+Every 200 ms the recorder calls, in this exact order:
+
+1. `work_spreads()` tries to fill previously unresolved spread leg keys by
+   asking `CMESecurityIndex` for each leg exchange ID.
+2. `work_handles()` drains new handles. Outrights are converted to an API
+   security and queued for DB lookup immediately. A spread without all leg keys
+   is retained in `pending_handle` and its leg pointers are registered in
+   `unresolved_legs`.
+3. `work_db()` resolves queued `(venue, type, descriptor)` requests.
+
+Because spread work precedes new-handle work, a newly seen unresolved spread
+normally waits until at least the next timer tick to resolve legs. It waits
+longer if any outright leg has not yet received its Spark key. A spread's own
+key is not requested until every leg key is non-zero.
+
+### 5. Lookup or generation
+
+`work_db()` first queries `(ns, key)`:
+
+- Existing row: use its `rowid` as the key and invoke the callback.
+- Missing row: batch it into `insert_many_resolve_ids()`. SQLite assigns a new
+  rowid inside a transaction, the row object receives that ID, and the callback
+  runs after the transaction completes.
+
+New inserts are throttled to roughly 200 per timer pass (the current `> 200`
+check can admit 201) to avoid delaying heartbeats during startup. The queues are
+TBB concurrent queues, but all SQLite access is serialized onto the recorder's
+dispatcher thread. `check_access()` asserts this single-thread rule after the
+first work pass records the dispatcher thread ID.
+
+### 6. Final assignment and visibility
+
+The queued callback captures a copy of `MDProducerHandle` and calls
+`handle.set_key(id)` on the dispatcher thread. `set_key()` writes hot, then cold,
+then increments `security_count`. From this point:
+
+- shared-memory scans report the security;
+- `CMESecurityIndex::get_key(CME_ID)` returns the Spark key;
+- trades and RFQs can be emitted with a non-zero key;
+- resolved spreads can copy this key into their leg structures.
+
+### 7. Sunday preload is a fast path
+
+For configured symbols on Sunday, `MDP3Main::prepare_listener()` loads stored
+definitions from `securities.sqlite`. It converts them with
+`set_security_key=true`, so both the security key and spread leg keys come from
+the serialized API security. `MDProducer::add_security()` calls `set_key()`
+immediately, and no recorder lookup is required for that preloaded handle. The
+CME exchange ID is still restored into `numeric_id`, allowing the normal CME
+index to be built.
+
+## Generalized/newer pipeline in detail
+
+### 1. Topology and ownership
+
+`Run::run()` starts a detached thread named `MarketDataGateway`. On that thread,
+`run_md_gwy()` obtains the process-wide `IDGenerator`, constructs
+`MarketDataGateway`, and starts the configured providers. For each `(venue,
+source)` returned by a provider, the gateway creates an `MdSink` containing:
+
+- a venue-local `GeneralSecurityIndex`;
+- a default `MDProducer` (not wired to a `SecurityIDRecorder`); and
+- a `GeneralMarketDataListener` connecting the source to that producer/index.
+
+The source decides its callback thread. Some sources call the listener while
+starting; others own network or replay threads. The generalized listener calls
+the producer inline on that source thread. The process-wide `IDGenerator`
+serializes its own calls with a mutex, but the listener's transient
+`cc_sec_id_map` is an ordinary `unordered_map`, so each source/listener pair is
+expected to serialize security/event callbacks.
+
+| Generalized stage | Executing thread | DB call? |
+|---|---|---|
+| Build/parse domain definition | Source/adaptor thread | No |
+| `IDGenerator::get_or_add()` | Same source/adaptor thread | Yes, synchronously |
+| `GeneralMarketDataListener::on_securities()` | Same source callback thread | No in current use-given mode |
+| Copy ID to `FixedSecurity::key` and `numeric_id` | Same source callback thread | No |
+| `MDProducer::add_security()` / `set_key()` | Same source callback thread | No additional call |
+| Add `GeneralSecurityIndex` entry | Same source callback thread | No |
+
+There are two important compatibility exceptions inside the provider framework:
+
+- `OnixsGlbxSubscription::start()` ignores the supplied generalized listener
+  and starts `MDP3Main`; CME/OnixS therefore still follows the asynchronous
+  legacy flow documented above.
+- `EmumbaDeribitSubscription::start()` also ignores that listener and uses
+  `EmMDListener`, which allocates via `IDGenerator` and writes through its own
+  producer/index. Its assignment is still synchronous and pre-populated, so it
+  resembles the newer ID flow even though it does not pass through
+  `GeneralMarketDataListener`.
+
+### 2. How a new ID is constructed
+
+For a normal live generalized adapter, ID creation happens **in the adapter,
+before** `GeneralMarketDataListener::on_securities()`:
+
+```text
+logical identity = (domain venue, domain security type, adapter-chosen name)
+Spark ID         = SQLite rowid for that identity in key_ids.sqlite
+```
+
+`IDGenerator::get_or_add(venue, type, name)` formats a namespace by stripping
+the enum prefixes:
+
+```text
+VENUE_TAIFEX + SECURITY_TYPE_FUTURE -> TAIFEX.FUTURE
+```
+
+It then calls `retrieve_one(ns, name)`. If the row exists, it returns that
+row's `rowid`. If absent, it inserts `(ns, name, "")`, and SQLite assigns the
+next rowid. That integer is wrapped in `domain::SecurityID` and placed in
+`SecurityCommon::id`.
+
+The third identity component is adapter-specific, and this matters when trying
+to reproduce a mapping:
+
+| Source/adaptor family | Typical `name` sent to `IDGenerator` |
+|---|---|
+| Binance, Coinbase, Deribit, OKX and similar native/CCAPI paths | Usually `sec.desc()` / exchange instrument name |
+| Taifex | product/instrument ID string |
+| Databento | `std::to_string(msg.hd.instrument_id)`, not the human-readable description |
+| Python bridge | `exchange_security_id` (and it asserts Python supplied ID is zero for definitions) |
+| Emumba Deribit | extracted Emumba security descriptor |
+| Replay | no new allocation for a recorded definition; it reuses the recorded `SecurityCommon::id` |
+
+So “security name” alone is not a universal logical key. Reproduction requires
+the exact venue enum, exact security-type enum, and the exact adapter-specific
+name used at insertion time.
+
+### 3. What `GeneralMarketDataListener` does with that ID
+
+`on_securities()` first calls `_find_sec(sec, true)`. Its current, compile-time
+behavior is controlled by:
+
+```cpp
+const bool use_given_sec_key = true;
+```
+
+Consequently, for a newly seen incoming `domain::SecurityID` it does **not**
+call the DB. It copies `security_common.id.value()` into its transient
+`cc_sec_id_map`. `_add_future()`, `_add_option()`, `_add_spread()`, or
+`_add_spot()` then calls `_copy_security_common()`, which sets:
+
+```cpp
+to.key = incoming_id;
+to.numeric_id = incoming_id;
+```
+
+This collapses the generalized source/correlation ID and Spark shared-memory
+key into the same number. The source's text `exchange_sec_id` remains on the
+domain security but is not copied into `FixedSecurity::numeric_id` by this
+path.
+
+`_commit_security()` then:
+
+1. calls `MDProducer::add_security()` with an already non-zero key;
+2. causes `MDProducerHandle::set_key()` to run immediately during that call;
+3. inserts the handle in `GeneralSecurityIndex` under `numeric_id` (the same
+   number); and
+4. returns with the security already visible in shared memory.
+
+Because the sink's producer has no recorder, supplying `id == 0` would allocate
+the shared-memory entry but never assign or publish its key. Generalized live
+sources must therefore provide a valid non-zero ID before `on_securities()`.
+
+The listener contains an alternative branch for `use_given_sec_key == false`.
+That branch would call `IDGenerator::get_or_add(me->venue, sec.type(),
+sec.desc())` itself. It is currently disabled, and `_generate_security_key()` is
+also effectively unused. Turning the flag off is not a mechanical change: an
+adapter such as Databento allocates using numeric instrument ID while the
+listener branch would use `sec.desc()`, potentially creating a second key for
+the same instrument.
+
+There is also a spread failure edge case. `_find_sec(sec, true)` records the
+parent ID in `cc_sec_id_map` before `_add_spread()` resolves its legs. If any leg
+ID is absent, `_add_spread()` logs and returns without committing the spread. A
+later repeat of the parent definition is then classified as a duplicate and
+ignored, so definition ordering is a hard requirement in the current code.
+
+### 4. How later books, trades, and statistics find the security
+
+Every later domain event carries a `domain::SecurityID`:
+
+- `Book::security_id()`;
+- `TradeRecord::sec_id`; or
+- `SecurityMarketDataStatistics::security_id`.
+
+The listener first uses `cc_sec_id_map` to translate that event ID to the value
+stored in `GeneralSecurityIndex`, then obtains the `MDProducerHandle`. With
+`use_given_sec_key == true`, this mapping is numerically identity-to-identity,
+but it still serves as the admission check that the definition was seen.
+
+Most high-throughput adapters avoid SQLite on market-data events:
+
+- Databento allocates on the definition and caches
+  `instrument_id -> domain::SecurityID` in `sec_id_map` for books/trades.
+- Taifex keeps the resolved ID in its security-details mapper.
+- Other native subscriptions maintain comparable descriptor/ID maps.
+
+The Python bridge is a notable exception: `to_bts_security_()`,
+`to_bts_trade_()`, and `to_book_()` all call `get_sec_id_()`, which calls
+`IDGenerator::get_id(..., add_if_new=true)`. As written, that performs at least
+one SQLite `SELECT` for each converted Python definition, trade, or book. It
+returns the existing ID after the first insert, but it is still a DB call and
+takes the global `IDGenerator` mutex on every event.
+
+### 5. Persistence timing and latency
+
+The newer allocator is synchronous:
+
+- Existing security: mutex acquisition plus one SQLite `SELECT` on the caller's
+  thread.
+- New security: mutex acquisition, one `SELECT`, then one SQLite `INSERT`
+  (SQLite autocommit), also on the caller's thread.
+- Listener publication: no further DB call under the current
+  `use_given_sec_key` setting.
+
+The ID therefore exists in `key_ids.sqlite` before the adapter sends the
+definition to the listener. There is no intentional 200 ms publication delay,
+but the source callback/startup path directly pays DB and mutex latency. Bulk
+definition discovery performs one lookup and possibly one insert per security;
+`IDGenerator` does not batch those operations.
+
+WAL mode helps concurrency, while `synchronous=0` reduces fsync cost. It does
+not eliminate SQL parsing/stepping, mutex contention, page-cache misses, or
+occasional file-system work. The impact is usually a startup/definition cost
+when adapters cache the result, but it becomes hot-path latency for code such as
+the current Python bridge that resolves every event through the DB.
+
+`GeneralMarketDataListener` itself does not persist the full contract definition
+to `securities.sqlite`; that remains the separate security-cache/metadata
+persistence path described earlier.
+
+## Comparison: MDP3 recorder vs generalized allocator
+
+| Property | MDP3 / `SecurityIDRecorder` | Generalized / `IDGenerator` |
+|---|---|---|
+| Logical input | venue + type + legacy `security_desc` | venue + type + adapter-chosen name |
+| Numeric output | SQLite rowid, checked/read as 32-bit `security_key` | SQLite rowid returned as 64-bit `domain::SecurityID`, then narrowed into 32-bit shared-memory key |
+| Allocation point | After definition is copied to shared memory | Normally inside adapter before listener sees definition |
+| DB execution | Asynchronous on dispatcher timer | Synchronous on caller/source thread |
+| Existing ID cost | One deferred `SELECT` | One immediate `SELECT` per call |
+| New ID cost | Deferred, batched transaction (about 200/pass) | Immediate `SELECT` + individual autocommit `INSERT` |
+| Time until public | Usually 0–200+ ms; spreads may take extra ticks | Immediate after synchronous lookup/insert completes |
+| Feed callback blocking | Queue push only for ID work | Yes, if the adapter invokes `IDGenerator` there |
+| Spread legs | Parent waits asynchronously until all leg keys resolve by exchange ID | Definition processing requires every leg's incoming ID already exist in `cc_sec_id_map`; otherwise the spread is aborted |
+| Runtime ID relationship | Exchange ID and Spark key remain distinct | Incoming/canonical ID, `numeric_id`, index ID, and Spark key are currently the same number |
+| Persistence database | `key_ids.sqlite` | The same `key_ids.sqlite` |
+| Batching | Yes for new rows | No |
+| Failure behavior | Security has an internal handle with key 0 while normal queued work is pending; DB work does not block the feed callback | DB errors/zero results occur in the synchronous source path; a zero ID can leave an unpublishable entry, with no pending-key state machine |
+
+Neither algorithm generates a UUID or a content hash. Both ultimately use an
+opaque, database-assigned SQLite rowid. It is normally increasing and looks like
+a sequence, but this schema does not request SQLite `AUTOINCREMENT`. The tuple
+used to *look up* the row is logical; the resulting number is not derivable from
+that tuple.
+
+## Can another system reconstruct the same keys?
+
+Not from `(venue, type, name)` alone. Another system can reconstruct the
+**logical lookup tuple**, but it cannot calculate the numeric Spark key because
+the key depends on the historical insertion order of every row in
+`key_ids.sqlite`.
+
+For example, two empty systems can insert the exact same `GLBX.FUTURE / ESZ6`
+row and receive different IDs if other securities were inserted before it on
+one system. They are sequential opaque IDs, not deterministic hashes and not
+UUIDs.
+
+Ways to preserve cross-system identity are:
+
+1. Copy/replicate `key_ids.sqlite` (including rowids) and keep descriptor rules
+   identical. This preserves existing numeric keys but requires coordinated
+   allocation for new ones.
+2. Export an explicit mapping of `(namespace, adapter key) -> Spark key`, then
+   import rows with their original rowids before either system allocates new
+   securities.
+3. Treat a stable external identity (venue + type + exchange instrument ID, or
+   another canonical instrument identifier) as the cross-system key and carry a
+   translation table to each system's local Spark key.
+4. Introduce a deterministic ID scheme only as a versioned migration. A hash can
+   be computed independently, but collision handling, descriptor
+   canonicalization, aliases/renames, the existing 32-bit ABI, and compatibility
+   with orders/recordings/databases all need explicit design.
+
+Copying only `securities.sqlite` is insufficient as an allocator strategy. It
+contains security blobs keyed by already-assigned IDs, but `key_ids.sqlite` is
+the mapping used to find or allocate those IDs. Conversely, copying only
+`key_ids.sqlite` preserves the numbers but not all contract metadata.
+
+## Other assignment paths in `sparkd`
+
+The two main pipelines reduce to four ways a producer handle can acquire a key:
+
+1. **Already keyed input.** `MDProducer::add_security()` sees a non-zero
+   `FixedSecurity::key` and calls `set_key()` immediately. Generalized feeds,
+   Sunday preload, relay playback, and other replay paths use this mechanism.
+2. **Recorder-backed live input.** The input key is zero and the producer owns a
+   `SecurityIDRecorder`; `ensure_key()` queues asynchronous assignment. CME
+   MDP3 and legacy OnixS ICE use this mechanism. ICE uses `marketId` as
+   `numeric_id` and otherwise follows the same recorder/index design.
+3. **Service assignment.** `SyntheticSecurityService` calls
+   `SecurityIDRecorder::assign_key()` directly on a background dispatcher. The
+   callback receives a copied `api::Security` with its top-level `id` set, then
+   publishes it to synthetic subscribers. It uses the same `key_ids.sqlite`
+   rowid allocator.
+4. **Unkeyed input with no recorder.** The entry is allocated with key zero and
+   never becomes public. This is not a valid production assignment path, but it
+   is the failure mode if a generalized source omits its ID.
+
+Relay and replay deserve care when reasoning about persistence:
+
+- The generalized `MDReplayer` forwards the recorded domain security ID and
+  emits later books/statistics with the recorded `sec_key`, so the listener's
+  current use-given mode preserves the recording's numeric identity.
+- The legacy relay producer converts a recorded `api::Security` with
+  `set_security_key=true`, so its shared-memory publication also preserves the
+  embedded key.
+- The legacy relay recorder additionally calls `bulk_insert(..., "REPLAY: ")`
+  for logical mappings. Those rows use a `REPLAY: ` namespace prefix; this is a
+  separate mapping population step, not a deterministic derivation of the key.
+
+## Operational implications
+
+- Back up `key_ids.sqlite` and `securities.sqlite` together if numeric ID and
+  definition continuity matter.
+- Do not delete/rebuild `key_ids.sqlite` on one host and assume IDs will match
+  another host, even when all instruments are identical.
+- Before moving a feed between adapters, compare the exact `name` each adapter
+  supplies to `IDGenerator`. Matching venue/type is insufficient.
+- Cache generated IDs in the source after definition processing. Avoid calling
+  `IDGenerator` from book/trade hot paths; the Python bridge currently violates
+  this guideline.
+- Keep generated rowids below the 32-bit shared-memory ceiling until the
+  `security_key` ABI is widened or explicit bounds checking is added to the
+  generalized path.
+- Ensure spread legs are announced before generalized spread parents.
+- Treat `synchronous=0` as a durability decision. A copied DB should be taken
+  with SQLite-aware backup/checkpoint handling rather than by casually copying
+  active WAL files.
+
+Useful inspection queries (run against the configured DB path) are:
+
+```sql
+SELECT rowid AS spark_key, ns, key
+FROM store
+ORDER BY rowid;
+
+SELECT rowid AS spark_key, ns, key
+FROM store
+WHERE ns = 'GLBX.FUTURE' AND key = '<exact-adapter-key>';
+```
+
+## Source map
+
+- [`SecurityIDRecorder.cpp`](../src/lib_spark/spark/md/SecurityIDRecorder.cpp):
+  legacy queues, 200 ms work ordering, logical row construction, DB callbacks,
+  and spread-leg resolution.
+- [`IDGenerator.cpp`](../src/lib_spark/spark/persistence/IDGenerator.cpp):
+  synchronous generalized lookup/allocation and process-wide mutex.
+- [`SqliteStore.cpp`](../src/lib_spark/spark/persistence/SqliteStore.cpp): DB
+  location, schema, WAL/synchronous pragmas, individual inserts, and batch
+  inserts.
+- [`MDProducer.cpp`](../src/lib_spark/spark/md/MDProducer.cpp) and
+  [`MDProducerHandle.cpp`](../src/lib_spark/spark/md/MDProducerHandle.cpp):
+  shared-memory allocation, recorder handoff, and ordered publication.
+- [`FixedSecurity.h`](../src/lib_spark/spark/md/Shm/FixedSecurity.h) and
+  [`MDStructure.h`](../src/lib_spark/spark/md/Shm/MDStructure.h): identifier
+  widths and hot/cold storage fields.
+- [`MDP3Main.cpp`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Main.cpp)
+  and
+  [`MDP3Listener.h`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Listener.h):
+  MDP3 construction, definition callbacks, CME ID extraction, and spread legs.
+- [`MDP3Listener.cpp`](../src/app_sparkd/sparkd/md/platforms/mdp3_onixs/MDP3Listener.cpp):
+  producer/index insertion order.
+- [`OnixsGlbxSubscription.cpp`](../src/app_sparkd/sparkd/md/glbx/OnixsGlbxSubscription.cpp):
+  current dedicated MDP3 dispatcher-thread ownership.
+- [`MarketDataGateway.cpp`](../src/app_sparkd/sparkd/md/MarketDataGateway.cpp)
+  and
+  [`GeneralMarketDataListener.cpp`](../src/lib_spark/spark/md/GeneralMarketDataListener.cpp):
+  generalized source/sink topology, incoming-ID mapping, fixed-security
+  conversion, and publication.
+- [`DatabentoDataHandler.cpp`](../src/app_sparkd/sparkd/md/databento/DatabentoDataHandler.cpp),
+  [`TaifexDataProcessors.h`](../src/app_sparkd/sparkd/md/taifex/TaifexDataProcessors.h),
+  and
+  [`PyMarketDataSubscription.cpp`](../src/app_sparkd/sparkd/md/PyMarketDataSubscription.cpp):
+  representative adapter-side allocation and caching behavior.
+- [`SecurityDB.cpp`](../src/lib_spark/spark/md/SecurityDB.cpp) and
+  [`SecurityCache.cpp`](../src/lib_spark/spark/md/SecurityCache.cpp): separate
+  persistence of full security definitions.
+- [`SecurityIndex.h`](../src/lib_spark/spark/md/SecurityIndex.h),
+  [`MBOServiceServer.cpp`](../src/lib_spark/spark/md/MBOServiceServer.cpp), and
+  [`MDConsumer.cpp`](../src/lib_spark/spark/md/MDConsumer.cpp): exchange-index
+  translation followed by Spark-keyed market-data consumption and MBO access.
+- [`OrderFactory.cpp`](../src/lib_spark/spark/orderman/order_factory/OrderFactory.cpp),
+  [`FillStore.cpp`](../src/lib_spark/spark/orderman/actors/FillStore.cpp), and
+  [`PositionMap.cpp`](../src/app_sparkd/sparkd/position/PositionMap.cpp):
+  representative downstream use of Spark security keys.
+- [`MDReplayer.cpp`](../src/app_sparkd/sparkd/md/recording/MDReplayer.cpp) and
+  [`RelayClient.cpp`](../src/lib_spark/spark/md/relay/RelayClient.cpp): recorded
+  ID reuse.

docker/images/bluetradingsystems/linux_dotnet8/Dockerfile

@@ -8,6 +8,7 @@ RUN apt-get update && apt-get install -y ca-certificates
 RUN apt-get update && apt-get install -y libssh2-1-dev
 RUN apt-get update && apt-get install -y software-properties-common
 RUN apt-get update && apt-get install -y sudo
+RUN apt-get update && apt-get install -y tzdata
 
 # GCC
 ARG gcc_major=13
@@ -18,6 +19,11 @@ RUN add-apt-repository ppa:ubuntu-toolchain-r/test \
 RUN apt-get update \
   && apt-get install -y dotnet8
 
+RUN apt-get update && apt-get install -y gdb
+RUN apt-get update && apt-get install -y fish
+RUN apt-get update && apt-get install -y vim
+RUN apt-get update && apt-get install -y less
+
 RUN locale-gen en_US.UTF-8
 
 ARG docker_user="bts"

docker/images/bluetradingsystems/linux_shell/Dockerfile

@@ -0,0 +1,11 @@
+FROM ubuntu:24.04
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y \
+  fish \
+  less \
+  vim
+
+USER bts
+WORKDIR /home/bts

spark_client.sln

@@ -1,433 +1,306 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
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-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark", "src\client\spark\Spark.csproj", "{9A4D4D07-1AB6-4B2B-B111-A4F34D6C267E}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{387566C6-C6F6-412C-A30C-9855BBCB4816}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{6E449EB6-20AC-4FA6-B8D9-10F4BB7E1FEE}"
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-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_sdk", "src\client\spark_sdk\spark_sdk.csproj", "{6963C314-83C4-4667-B0D0-C2F7AE208C29}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_test", "src\client\spark_test\spark_test.csproj", "{ECD78CC5-138F-4809-A764-2358C2AC2E82}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_websocket", "src\client\spark_websocket\spark_websocket.csproj", "{3201359D-C071-4089-9EDE-B04D759F1508}"
-EndProject
-Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "spark_api_server", "src\client\spark_api_server\spark_api_server.csproj", "{2B8C5D01-FF78-4BFA-B332-5E430586DAF9}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{4E4F491F-C688-43C4-88DA-AC92BC5FA1B8}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{2AC54ADC-3246-427E-9CA9-FEA2DBCB9432}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataStreamSuite\SharedStreams\SharedStreams.csproj", "{4E96E5CC-7791-40B3-A8A1-C34FBB736B3B}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{51C40BA9-F226-4A35-939D-1ED6F5FF7299}"
-EndProject
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{827E0CD3-B72D-47B6-A68D-7590B98EB39B}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "cs", "cs", "{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Core", "src\cs\Bts.Spark.Core\Bts.Spark.Core.csproj", "{684863A1-3396-4D31-A731-C0725CF07F4E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Spark.Api", "src\cs\Bts.Spark.Api\Bts.Spark.Api.csproj", "{45292808-4EF3-4D4A-B3F5-B75C42EE5870}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Extensions.Hosting", "src\cs\Bts.Extensions.Hosting\Bts.Extensions.Hosting.csproj", "{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.IO.Compression", "src\cs\Bts.IO.Compression\Bts.IO.Compression.csproj", "{28A26DF7-5F7A-43A2-A548-B55FEBCC3958}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.Net", "src\cs\Bts.Net\Bts.Net.csproj", "{7543386A-5EBA-4AF0-9E0F-35657B58557D}"
+EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "DataStreamSuite", "DataStreamSuite", "{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}"
 EndProject
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+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PubSub", "src\DataStreamSuite\PubSub\PubSub.csproj", "{C13A5ABD-F739-4BE8-A2FE-511E989A5B43}"
 EndProject
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+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamCore", "src\DataStreamSuite\DataStreamCore\DataStreamCore.csproj", "{F7C6F079-67BA-4899-9B43-D3F8C121D264}"
 EndProject
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+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ArithmeticExpressions", "src\DataStreamSuite\ArithmeticExpressions\ArithmeticExpressions.csproj", "{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7}"
 EndProject
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+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BaseUtilities", "src\DataStreamSuite\BaseUtilities\BaseUtilities.csproj", "{ECBAA198-EC93-4174-8156-BDA5F5E95042}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BooleanExpressions", "src\DataStreamSuite\BooleanExpressions\BooleanExpressions.csproj", "{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnExpressions", "src\DataStreamSuite\Bts.ColumnExpressions\Bts.ColumnExpressions.csproj", "{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Bts.ColumnSortExpressions", "src\DataStreamSuite\Bts.ColumnSortExpressions\Bts.ColumnSortExpressions.csproj", "{1E296FB3-D185-4A95-A1EB-AA5B37B85C60}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStreamExpressions", "src\DataStreamSuite\DataStreamExpressions\DataStreamExpressions.csproj", "{B6070F41-8759-448B-B56D-A7D15D489569}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataStream", "src\DataStreamSuite\DataStream\DataStream.csproj", "{B2D721AB-920C-4CD6-8DBF-6778A115A449}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedStreams", "src\DataStreamSuite\SharedStreams\SharedStreams.csproj", "{38EE36C6-892C-4C94-8BB0-1ACB164E1F20}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "client", "client", "{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "spark", "spark", "{42C014A0-00C5-0620-8552-38912E891A7F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Spark", "src\client\spark\Spark.csproj", "{D432F3E9-3D2F-4623-B7B9-CEBA6701FFC3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "spark_test", "src\client\spark_test\spark_test.csproj", "{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Spark.Console", "src\client\Spark.Console\Spark.Console.csproj", "{2B8243FF-60C6-4607-8AAE-7762D29B0A48}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|x64 = Debug|x64
 		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
 		Debug|x86 = Debug|x86
-		MinSizeRel|x64 = MinSizeRel|x64
-		MinSizeRel|Any CPU = MinSizeRel|Any CPU
-		MinSizeRel|x86 = MinSizeRel|x86
-		Release|x64 = Release|x64
 		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
 		Release|x86 = Release|x86
-		RelWithDebInfo|x64 = RelWithDebInfo|x64
-		RelWithDebInfo|Any CPU = RelWithDebInfo|Any CPU
-		RelWithDebInfo|x86 = RelWithDebInfo|x86
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.ActiveCfg = Debug|x64
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x64.Build.0 = Debug|x64
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.ActiveCfg = Debug|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Debug|x86.Build.0 = Debug|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|x64.ActiveCfg = Release|x64
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-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.MinSizeRel|Any CPU.ActiveCfg = MinSizeRel|Any CPU
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-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.ActiveCfg = Release|x64
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x64.Build.0 = Release|x64
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|Any CPU.Build.0 = Release|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x86.ActiveCfg = Release|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.Release|x86.Build.0 = Release|Any CPU
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x64.ActiveCfg = Release|x64
-		{DC9A8975-8211-4FC9-A9BA-C8B9D26AD481}.RelWithDebInfo|x64.Build.0 = Release|x64
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+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Debug|Any CPU.Build.0 = Debug|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Debug|x64.ActiveCfg = Debug|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Debug|x64.Build.0 = Debug|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Debug|x86.ActiveCfg = Debug|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Debug|x86.Build.0 = Debug|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|Any CPU.ActiveCfg = Release|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|Any CPU.Build.0 = Release|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|x64.ActiveCfg = Release|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|x64.Build.0 = Release|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|x86.ActiveCfg = Release|x64
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224}.Release|x86.Build.0 = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|Any CPU.Build.0 = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x64.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x64.Build.0 = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x86.ActiveCfg = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Debug|x86.Build.0 = Debug|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|Any CPU.ActiveCfg = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|Any CPU.Build.0 = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x64.ActiveCfg = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x64.Build.0 = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x86.ActiveCfg = Release|x64
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48}.Release|x86.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
+		{D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{684863A1-3396-4D31-A731-C0725CF07F4E} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{45292808-4EF3-4D4A-B3F5-B75C42EE5870} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{AA57F8D9-7BD6-4161-881B-AD2CEF9A30F6} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{28A26DF7-5F7A-43A2-A548-B55FEBCC3958} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
+		{7543386A-5EBA-4AF0-9E0F-35657B58557D} = {D7C6B9C7-1058-B1EA-FEE6-34C56B05AEDB}
 		{60E0D592-FFB3-0D0A-C4AA-E88919B48F9D} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
-		{1A5B8C5D-BADC-457E-819F-0050C44FE4D3} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
-		{2A0FBDE0-D870-4567-85BD-F7793A5862C6} = {1A5B8C5D-BADC-457E-819F-0050C44FE4D3}
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {422D1620-0166-4C26-9A81-CA8A2EB1AB58}
-	EndGlobalSection
-	GlobalSection(Performance) = preSolution
-		HasPerformanceSessions = true
+		{C13A5ABD-F739-4BE8-A2FE-511E989A5B43} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{F7C6F079-67BA-4899-9B43-D3F8C121D264} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{E60C119D-2919-4E2F-9D39-90DB1A8FF9A7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{ECBAA198-EC93-4174-8156-BDA5F5E95042} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{F54AE5C0-2ECA-4151-82E6-0D7EFE88FF40} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{A898C6C3-F134-4AF0-AFB3-3834C58CC0D7} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{1E296FB3-D185-4A95-A1EB-AA5B37B85C60} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{B6070F41-8759-448B-B56D-A7D15D489569} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{B2D721AB-920C-4CD6-8DBF-6778A115A449} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{38EE36C6-892C-4C94-8BB0-1ACB164E1F20} = {60E0D592-FFB3-0D0A-C4AA-E88919B48F9D}
+		{C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295} = {827E0CD3-B72D-47B6-A68D-7590B98EB39B}
+		{42C014A0-00C5-0620-8552-38912E891A7F} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{D432F3E9-3D2F-4623-B7B9-CEBA6701FFC3} = {42C014A0-00C5-0620-8552-38912E891A7F}
+		{DD00F5D5-6C2F-4FDA-AE3D-25CF01A9A224} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
+		{2B8243FF-60C6-4607-8AAE-7762D29B0A48} = {C5A3B5EA-BE9F-76E5-E9B8-8A22B289B295}
 	EndGlobalSection
 EndGlobal

src/DataStreamSuite/DataStream/Primitives/Distinct/DistinctRowEvaluator.cs

@@ -14,10 +14,8 @@ namespace BCG
 		public DistinctRowEvaluator(string colMapExpression, string[] columnNames)
          : base (colMapExpression, null, columnNames) {}
 
-
-      public override IBlueRow evaluate (DataPacket packet)
-      {
-         myOutputTable = myOutputTable == null ? new GroupByOutputTable (packet.schema) : myOutputTable;
+      public override IBlueRow? evaluate(IDataPacket packet) {
+         myOutputTable ??= new GroupByOutputTable(packet.Schema);
          string hashString = GroupByStream.getRepString (packet, myGroupByCols);
          if (packet.newRows.Count == 0)
             //if there are no rows for this group we remove the group from the output table

src/DataStreamSuite/DataStream/Primitives/GroupBy/GroupByEvaluator.cs

@@ -42,7 +42,7 @@ namespace BCG
          return retVal;
       }
 
-      public abstract IBlueRow evaluate (DataPacket dp) ;
+      public abstract IBlueRow? evaluate(IDataPacket dp);
       #endregion
 
       #region Helper methods

src/DataStreamSuite/DataStream/Primitives/GroupBy/GroupByStream.cs

@@ -8,12 +8,13 @@ namespace BCG {
    internal class GroupByStream : MethodDrivenStream {
       private class MyFuncGroupByEvaluator : IGroupByEvaluator {
          private string[] _groupby_cols;
-         private Func<DataPacket, IBlueRow> _groupby_func;
-         public MyFuncGroupByEvaluator(IEnumerable<string> groupby_cols, Func<DataPacket, IBlueRow> groupby_func) {
+         readonly Func<IDataPacket, IBlueRow> _groupby_func;
+         public MyFuncGroupByEvaluator(IEnumerable<string> groupby_cols, Func<IDataPacket, IBlueRow> groupby_func) {
             _groupby_cols = groupby_cols.ToArray();
             _groupby_func = groupby_func;
          }
-         public IBlueRow evaluate(DataPacket packet) { return _groupby_func(packet); }
+         public IBlueRow evaluate(IDataPacket packet) =>
+            _groupby_func(packet);
 
          public string[] groupByColumns { get { return _groupby_cols; } }
 
@@ -32,7 +33,7 @@ namespace BCG {
       private IBlueTableSchema myOutputSchema;
       private int myIdGenerator = 0;
 
-      public GroupByStream(ViewStream stream, IEnumerable<string> groupby_cols, Func<DataPacket, IBlueRow> groupby_func)
+      public GroupByStream(ViewStream stream, IEnumerable<string> groupby_cols, Func<IDataPacket, IBlueRow> groupby_func)
          : this(stream, new MyFuncGroupByEvaluator(groupby_cols, groupby_func)) { }
 
       public GroupByStream(ViewStream stream, IGroupByEvaluator groupByEvaluator)
@@ -187,11 +188,11 @@ namespace BCG {
          }
       }
 
-      public static string getRepString(DataPacket dp, string[] colNames) {
+      public static string getRepString(IDataPacket dp, string[] colNames) {
          return BlueDataUtility.rowToString(getRepRow(dp), colNames);
       }
 
-      public static IBlueRow getRepRow(DataPacket dp) {
+      public static IBlueRow getRepRow(IDataPacket dp) {
          if (dp.newRows.Count > 0)
             return BlueDataUtility.extractRow(dp.newRows, 0);
          else if (dp.addedRows.Count > 0)

src/DataStreamSuite/DataStream/Primitives/GroupBy/IGroupByEvaluator.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace BCG
 {
    /// <summary>
@@ -14,7 +12,7 @@ namespace BCG
       /// deletetion) and the added and deletedRows being the increments. If a group has
       /// to be totally removed then a null should be returned
       /// </summary>
-      IBlueRow evaluate (DataPacket packet);
+      IBlueRow? evaluate(IDataPacket packet);
 
       /// <summary>
       /// Returns the columns (belonging to the original schema) on which this IGroupByEvaluator

src/DataStreamSuite/DataStream/Primitives/GroupBy/MaxGroupByEvaluator.cs

@@ -14,9 +14,8 @@ namespace BCG {
         public MaxGroupByEvaluator(string colMapEpression, string outputCol, string[] groupByCols)
            : base(colMapEpression, outputCol, groupByCols) { }
 
-        public override IBlueRow evaluate(DataPacket dp) {
-            myOutputTable = myOutputTable == null ? new GroupByOutputTable(dp.schema) :
-               myOutputTable;
+        public override IBlueRow? evaluate(IDataPacket dp) {
+            myOutputTable ??= new GroupByOutputTable(dp.Schema);
             string hashString = BlueDataUtility.rowToString(GroupByStream.getRepRow(dp), myGroupByCols);
             IBlueRow currMaxRow = myOutputTable.getRow(hashString);
             IBlueRow maxRow = BlueDataUtility.computeMaxRow(dp.deletedRows, myOutputColumn);

src/DataStreamSuite/DataStream/Primitives/GroupBy/MinGroupByEvaluator.cs

@@ -1,7 +1,3 @@
-using System;
-
-using BCG.Utilities;
-
 namespace BCG {
     public class MinGroupByEvaluator : MaxGroupByEvaluator {
         public MinGroupByEvaluator(string outputCol, string[] groupByCols)
@@ -10,8 +6,8 @@ namespace BCG {
         public MinGroupByEvaluator(string colMapEpression, string outputCol, string[] groupByCols) :
            base(colMapEpression, outputCol, groupByCols) { }
 
-        public override IBlueRow evaluate(DataPacket dp) {
-            myOutputTable = myOutputTable == null ? new GroupByOutputTable(dp.schema) : myOutputTable;
+        public override IBlueRow? evaluate(IDataPacket dp) {
+            myOutputTable ??= new GroupByOutputTable(dp.Schema);
             string stringRep = BlueDataUtility.rowToString(GroupByStream.getRepRow(dp), myGroupByCols);
             IBlueRow currMinRow = myOutputTable.getRow(stringRep);
             IBlueRow minRow = BlueDataUtility.computeMinRow(dp.deletedRows, myOutputColumn);

src/DataStreamSuite/DataStream/Primitives/GroupBy/SumGroupByEvaluator.cs

@@ -1,5 +1,3 @@
-using System;
-
 namespace BCG {
     /// <summary>
     /// Computes the sum for a given column
@@ -10,8 +8,8 @@ namespace BCG {
         public SumGroupByEvaluator(string colMapEpression, string outputCol, string[] groupByCols)
            : base(colMapEpression, outputCol, groupByCols) { }
 
-        public override IBlueRow evaluate(DataPacket dp) {
-            myOutputTable = myOutputTable == null ? new GroupByOutputTable(dp.schema) : myOutputTable;
+        public override IBlueRow evaluate(IDataPacket dp) {
+            myOutputTable ??= new GroupByOutputTable(dp.Schema);
 
             IBlueRow sumRow = BlueDataUtility.computeSum(dp.newRows, myOutputColumn);
             return sumRow;
@@ -33,7 +31,7 @@ namespace BCG {
 
         #region IGroupByEvaluator Members
 
-        public IBlueRow evaluate(DataPacket packet) { return BlueDataUtility.computeSum(packet.newRows, myOutputCols); }
+        public IBlueRow evaluate(IDataPacket packet) => BlueDataUtility.computeSum(packet.newRows, myOutputCols);
 
         public string[] groupByColumns { get { return myGroupByCols; } }
 
@@ -51,9 +49,8 @@ namespace BCG {
         public SumGroupByEvaluator(string colMapEpression, string outputCol, string[] groupByCols)
            : base(colMapEpression, outputCol, groupByCols) { }
 
-        public override IBlueRow evaluate(DataPacket dp) {
-            myOutputTable = myOutputTable == null ? new GroupByOutputTable(dp.schema) : myOutputTable;
-
+        public override IBlueRow evaluate(IDataPacket dp) {
+            myOutputTable ??= new GroupByOutputTable(dp.Schema);
             IBlueRow sumRow = BlueDataUtility.computeSum<T>(dp.newRows, myOutputColumn);
             return sumRow;
         }
@@ -68,7 +65,7 @@ namespace BCG {
 
         #region IGroupByEvaluator Members
 
-        public IBlueRow evaluate(DataPacket packet) { return BlueDataUtility.computeSum<T>(packet.newRows, myOutputCols); }
+        public IBlueRow evaluate(IDataPacket packet) => BlueDataUtility.computeSum<T>(packet.newRows, myOutputCols);
 
         public string[] groupByColumns { get { return myGroupByCols; } }
 

src/DataStreamSuite/DataStream/Primitives/Map/GlobalMapStream.cs

@@ -2,6 +2,8 @@ using BCG;
 
 using MongoDB.Driver.Core.WireProtocol.Messages;
 
+using Spark.Core.Diagnostics;
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -37,7 +39,7 @@ namespace bts {
       }
 
       void _handle_stream_update(object dp_obj) {
-         DataPacket dp = dp_obj as DataPacket;
+         var dp = ExceptionAssert.Argument.Is<IDataPacket>(dp_obj);
          IDictionary<int, List<IBlueRow>> groups = !String.IsNullOrEmpty(_group_by_col) ?
          BlueDataUtility.group_together(dp.newRows, new string[] { _group_by_col })
          :

src/DataStreamSuite/DataStreamPublisher/Services/DataStreamPublisherService.cs

@@ -8,11 +8,11 @@ using Bts.DataStreamCore;
 using Bts.DataStreamExpressions;
 using Bts.PubSub;
 
+using global::Spark.Core.Disposables;
+
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Options;
 
-using Spark.Core.Disposables;
-
 using System;
 using System.Collections.Generic;
 using System.Linq;

src/DataStreamSuite/DataStreamQueryAnalyzer/Program.cs

@@ -8,6 +8,7 @@ using Bts.PubSub.Services;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
+using Spark.Api.MarketData;
 using Spark.Api.Services;
 using Spark.Core.Services;
 

src/DataStreamSuite/DataStreamTests/TestDriverStream.cs

@@ -5,7 +5,7 @@ using BCG.Utilities.General;
 
 using Bts.DataStreamCore;
 
-using Spark.Core.Collections;
+using global::Spark.Core.Collections;
 
 public class TestDriverStream : ViewStream, IWorker {
    readonly IBlueTableSchema schema;

src/DataStreamSuite/SharedStreams/BlueOrb/CrossExchangeArbDiscoveryStream.cs

@@ -80,7 +80,7 @@ r = TimeSeriesStream(r)
                  "left_sec", "left_venue","right_sec", "right_venue"
                  );
             r = new NewProjectStream (r,
-                                   " spread_bid_qty spread_bid_price spread_bid_notional spread_ask_qty spread_ask_price spread_ask_notional left_qm right_qm left_bid_qty left_bid_price left_ask_qty left_ask_price right_bid_qty right_bid_price right_ask_qty right_ask_price left_sec_name right_sec_name left_cpp right_cpp left_venue right_venue ");
+                                   " spread_name spread_bid_qty spread_bid_price spread_bid_notional spread_ask_qty spread_ask_price spread_ask_notional left_qm right_qm left_bid_qty left_bid_price left_ask_qty left_ask_price right_bid_qty right_bid_price right_ask_qty right_ask_price left_sec_name right_sec_name left_cpp right_cpp left_venue right_venue ");
             r = new MathStream (r,
                              "arb = Max( Abs(Min(0,spread_ask_notional)),spread_bid_notional )");
             

src/DataStreamSuite/SharedStreams/BlueOrb/MarketData/BookSchemaBuilder.cs

@@ -5,10 +5,9 @@ using BCG;
 using bts.api;
 using bts.md;
 
-using Bts.DataStream;
 using Bts.DataStreamCore;
 
-using Spark.Api.MarketData;
+using global::Spark.Api.MarketData;
 
 public class BookSchemaBuilder {
    public int NumLevels { get; set; } = 5;

src/DataStreamSuite/SharedStreams/BlueOrb/SyntheticSpreadBBOStream.cs

@@ -1,10 +1,13 @@
 namespace bts.BlueOrb {
     using System;
+   using System.Security.Cryptography;
 
-    using BCG;
+   using BCG;
 
     using Bts.DataStreamCore;
-   using Bts.PubSub;
+    using Bts.PubSub;
+
+   using IronPython.Runtime.Operations;
 
    using Spark.Api.MarketData;
 
@@ -64,12 +67,22 @@ namespace bts.BlueOrb {
     [LiveMarketDataStream]
     [DataStreamUserRespresentation("SyntheticSpreadBBOStream")]
     public class SyntheticSpreadBBOStream : ViewStream {
-        public SyntheticSpreadBBOStream(string leg_1, string venue_1,string leg_2, string venue_2, [MarketDataClientParam] IMarketDataClient mdClient, IWorkScheduler scheduler) : this(leg_1, venue_1, leg_2, venue_2, 1, -1, 1, 1, mdClient, scheduler) { }
-        public SyntheticSpreadBBOStream(string leg_1, string venue_1, string leg_2, string venue_2, double pm1, double pm2, double cpp1, double cpp2, [MarketDataClientParam] IMarketDataClient mdClient, IWorkScheduler scheduler) : this(new LiveBBOStream(mdClient, scheduler, venue_1,leg_1), new LiveBBOStream(mdClient, scheduler, venue_2,leg_2), pm1, pm2, cpp1, cpp2) { }
-        public SyntheticSpreadBBOStream(ViewStream bbo_leg_1, ViewStream bbo_leg_2, double pm1, double pm2, double cpp1, double cpp2) {
+        public SyntheticSpreadBBOStream(string leg_1, string venue_1, string leg_2, string venue_2,
+            [MarketDataClientParam] IMarketDataClient mdClient, IWorkScheduler scheduler) : 
+            this(leg_1, venue_1, leg_2, venue_2, 1, -1, 1, 1, mdClient, scheduler) { }
+        public SyntheticSpreadBBOStream(string leg_1, string venue_1, string leg_2, string venue_2,
+            double pm1, double pm2, double cpp1, double cpp2, 
+            [MarketDataClientParam] IMarketDataClient mdClient, IWorkScheduler scheduler) : 
+            this(
+                new LiveBBOStream(mdClient, scheduler, venue_1, leg_1), 
+                new LiveBBOStream(mdClient, scheduler, venue_2, leg_2),
+                 pm1, pm2, cpp1, cpp2,
+                 leg_1,venue_1,leg_2,venue_2) { }
+        public SyntheticSpreadBBOStream(ViewStream bbo_leg_1, ViewStream bbo_leg_2, double pm1, double pm2,
+         double cpp1, double cpp2, string leg_1, string venue_1, string leg_2, string venue_2) {
             ViewStream r;
-            double qm1 =1;
-            double qm2 = cpp1/cpp2;
+            double qm1 = 1;
+            double qm2 = cpp1 / cpp2;
             bbo_leg_1 = new AddColumnsStream(bbo_leg_1,
                                              "pm:" + pm1.ToString());
             bbo_leg_1 = new AddColumnsStream(bbo_leg_1,
@@ -78,12 +91,14 @@ namespace bts.BlueOrb {
                                              "pm:" + pm2.ToString());
             bbo_leg_2 = new AddColumnsStream(bbo_leg_2,
                                              "qm:" + qm2.ToString());
+            var name = leg_1.replace("$","") + "-" + (qm2==1?"":qm2.ToString())+leg_2.replace("$","");
             r = new SimpleJoinStream(bbo_leg_1,
                                       "",
                                       bbo_leg_2,
                                       "");
+            r = new AddColumnsStream(r,"spread_name:"+name);
             r = new MathStream(r,
-            """
+            $"""
             spread_bid_price = left_bid_price*left_pm + right_ask_price*right_pm;
             spread_ask_price = left_ask_price*left_pm + right_bid_price*right_pm;
             spread_ask_qty = Min((left_ask_qty/left_qm),(right_bid_qty/right_qm));
@@ -99,7 +114,7 @@ namespace bts.BlueOrb {
                     + (right_bid_price * spread_ask_qty * {cpp1} * right_pm);
                 
             """);
-         
+
 
             mySetRealSource(r);
 

src/DataStreamSuite/SharedStreams/BlueOrb/WellKnownColumns.cs

@@ -2,7 +2,7 @@ namespace Bts.SharedStreams;
 
 using bts.api;
 
-using Spark.Api.Orders;
+using global::Spark.Api.Orders;
 
 public static class WellKnownColumns {
    public static (string Name, Type Type) AskNotional => (WellKnownColumnNames.AskNotional, typeof(double));

src/Directory.Build.props

@@ -17,7 +17,7 @@
     <ShowMissingItemTypes>false</ShowMissingItemTypes>
     <Configuration Condition="'$(configuration)'==''">Debug</Configuration>
     <EnablePreviewFeatures>true</EnablePreviewFeatures>
-    <LangVersion>11</LangVersion>
+    <LangVersion>12</LangVersion>
     <UseProjectRefs Condition="'$(UseProjectRefs)' == ''">true</UseProjectRefs>
     <SparkVersion Condition="'$(SparkVersion)' == ''">3.2.0-preview</SparkVersion>
     <Version>$(SparkVersion)</Version>

src/Directory.Build.targets

@@ -187,4 +187,24 @@
       Name="Test"
       DependsOnTargets="Build"></Target>
 
+  <Target Name="CopyNativeAssetsToOutput" AfterTargets="Build">
+    <Copy SourceFiles="@(NativeWindowsAsset)" DestinationFolder="$(OutDir)" SkipUnchangedFiles="True" Condition="Exists('%(NativeWindowsAsset.FullPath)')" />
+    <Copy SourceFiles="@(NativeLinuxAsset)" DestinationFolder="$(OutDir)" SkipUnchangedFiles="True" Condition="Exists('%(NativeLinuxAsset.FullPath)')" />
+  </Target>
+
+  <ItemGroup>
+    <Content Include="@(NativeWindowsAsset)"
+             Condition="Exists('@(NativeWindowsAsset)')"
+             Link="%(NativeWindowsAsset.FileName)%(NativeWindowsAsset.Extension)"
+             CopyToOutputDirectory="PreserveNewest"
+             Pack="true"
+             PackagePath="runtimes/win-x64/native/" />
+    <Content Include="@(NativeLinuxAsset)"
+             Condition="Exists('@(NativeLinuxAsset)')"
+             Link="%(NativeLinuxAsset.FileName)%(NativeLinuxAsset.Extension)"
+             CopyToOutputDirectory="PreserveNewest"
+             Pack="true"
+             PackagePath="runtimes/linux-x64/native/" />
+  </ItemGroup>
+
 </Project>

src/app_sparkd/Dockerfile

@@ -2,12 +2,14 @@ ARG IMAGE="sparkd"
 ARG CONFIG_DIR="src/app_sparkd/configurations/dev"
 ARG SOURCE_DIR="install/sparkd-release-gcc"
 ARG PYTHON_REQUIREMENTS="requirements.txt"
+ARG SPARKD_ENTRYPOINT="src/app_sparkd/sparkd-entrypoint.sh"
 
 # sparkd_base
 FROM bluetradingsystems/linux_dotnet8 AS sparkd_base
 ARG CONFIG_DIR
 ARG SOURCE_DIR
 ARG PYTHON_REQUIREMENTS
+ARG SPARKD_ENTRYPOINT
 
 USER "root"
 RUN apt-get update && apt-get install -y liblttng-ust-dev
@@ -21,6 +23,7 @@ RUN pip3 install -r "/home/bts/bin/requirements.txt"
 USER "bts"
 COPY --chown=bts:bts "${SOURCE_DIR}" "."
 COPY --chown=bts:bts "${CONFIG_DIR}" "/home/bts/.local/share/bts/sparkd/conf"
+COPY --chown=bts:bts "${SPARKD_ENTRYPOINT}" "/home/bts/bin/sparkd-entrypoint.sh"
 WORKDIR "/home/bts/bin"
 
 # sparkd
@@ -35,6 +38,7 @@ COPY --chown=bts:bts "${MD_RECORDING_DIR}" "/home/bts/.local/share/bts/sparkd/da
 FROM bluetradingsystems/linux_dotnet8 AS sparkd_symbols
 ARG SOURCE_DIR
 ARG PYTHON_REQUIREMENTS="requirements.txt"
+ARG SPARKD_ENTRYPOINT
 
 USER "root"
 RUN apt-get update && apt-get install -y liblttng-ust-dev
@@ -47,6 +51,7 @@ RUN pip3 install -r "/home/bts/bin/requirements.txt"
 
 USER "bts"
 COPY --chown=bts:bts "${SOURCE_DIR}" "."
+COPY --chown=bts:bts "${SPARKD_ENTRYPOINT}" "/home/bts/bin/sparkd-entrypoint.sh"
 WORKDIR "/home/bts/bin"
 
 # selected image

src/app_sparkd/configurations/all_crypto/.env

@@ -0,0 +1,5 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/all_crypto
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/gateio_dev/requirements.txt
+SPARKD__DATA_DIR=/home/ubuntu/8000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf

src/app_sparkd/configurations/all_crypto/gateio_overrides.json

@@ -0,0 +1,11 @@
+{
+  "currencies": [
+    "USDT"
+  ],
+  "futures": [
+    "BTC",
+    "ETH",
+    "SOL",
+    "XRP"
+  ]
+}

src/app_sparkd/configurations/all_crypto/py_bybit_md_provider.json

@@ -0,0 +1,16 @@
+{
+  "currencies": [
+    "USDT"
+  ],
+  "futures": [
+    "BTC",
+    "ETH",
+    "SOL",
+    "XRP"
+  ],
+  "use_testnet": false,
+  "logging": {
+    "console_level": "WARNING",
+    "file_level": "INFO"
+  }
+}

src/app_sparkd/configurations/all_crypto/spark.conf

@@ -0,0 +1,71 @@
+PublisherOptions {
+  value {
+    network_interface: "0.0.0.0"
+    heartbeat_ms: 5000
+    heartbeat_boot_seconds: 60
+    skip_options: true
+    hot_initial: 1024
+    hot_growth: 1024
+    cold_initial: 8192
+    cold_growth: 2048
+    channel_prefix: ""
+    disable_heartbeat: true
+  }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    file {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Diag"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+    # python_md_providers {
+    #   venue: VENUE_GATEIO
+    #   module_path: "python_md_providers"
+    #   provider_type: "gateio_md_provider.GateIoMdProvider"
+    # }
+    python_md_providers {
+      venue: VENUE_BYBIT
+      module_path: "python_interop_plugins"
+      provider_type: "bybit_md_provider.BybitMdProvider"
+    }
+    binance_usds_futures {
+      num_depth_levels: 5
+      url_rest_base: "https://fapi.binance.com"
+      url_ws_base: "wss://fstream.binance.com"
+      security_criteria {
+        clauses {
+          security_types: SECURITY_TYPE_FUTURE
+          symbols: @SymbolLists.list[Gateio].symbol
+        }
+      }
+    }
+     okx {
+       num_depth_levels: 5
+       url_rest_base: "https://www.okx.com"
+       url_ws_base: "wss://ws.okx.com:8443"
+       security_criteria {
+         clauses {
+           security_types: SECURITY_TYPE_FUTURE
+           symbols: @SymbolLists.list[Gateio].symbol
+         }
+       }
+       is_application_ping_pong_enabled: true
+       application_ping_interval_ms: 20000
+       application_pong_timeout_ms: 10000
+       is_protocol_ping_pong_enabled: true
+       protocol_ping_interval_ms: 60000
+       protocol_pong_timeout_ms: 30000
+     }
+  }
+}

src/app_sparkd/configurations/all_crypto/symbols.conf

@@ -0,0 +1,32 @@
+  SymbolLists {
+  value {
+    list {
+      key: "Gateio"
+      symbol: "SOL"
+      symbol: "BTC"
+      symbol: "ETH"
+      symbol: "XRP"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+      name: "VENUE_GATEIO"
+      spot: @SymbolLists.list[Gateio].symbol
+    }
+    venues {
+      name: "VENUE_BYBIT"
+      future: @SymbolLists.list[Gateio].symbol
+    }
+    venues {
+      name: "VENUE_BINANCE_USDS_FUTURES"
+      future: @SymbolLists.list[Gateio].symbol
+    }
+    venues {
+      name: "VENUE_OKX"
+      future: @SymbolLists.list[Gateio].symbol
+    }
+  }
+}

src/app_sparkd/configurations/cme_dev_replay_aws/.env

@@ -0,0 +1,7 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/cme_dev_replay_aws
+SPARKD__DATA_DIR=/home/ubuntu/8000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/cme_dev_replay_aws/requirements.txt
+SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf
+SPARKD__SHM_SIZE=512m
+SPARKD__MEMORY=1g

src/app_sparkd/configurations/cme_dev_replay_aws/requirements.txt

@@ -0,0 +1,5 @@
+numpy==2.2.6
+pybit==5.11.0
+requests==2.31.0
+websocket-client==1.8.0
+websockets==15.0.1

src/app_sparkd/configurations/cme_dev_replay_aws/spark.conf

@@ -0,0 +1,83 @@
+DeploymentType {
+  value {
+    type: "prod"
+  }
+}
+PublisherOptions {
+   value {
+      network_interface_a: 'ens5'
+      network_interface_b: 'ens5'
+      #these get overriden if not entered here
+      heartbeat_ms: 5000
+      heartbeat_boot_seconds: 60
+      skip_options: false
+      hot_initial: 1024
+      hot_growth: 1024
+      cold_initial: 8192
+      cold_growth: 2048
+      channel_prefix: ""
+      disable_heartbeat: false
+   }
+}
+
+CMEOptions {
+  value {
+    feed_engine {
+      name: "mdp3feed"
+      spin_time: 0
+      channels_per_thread: 3
+      data_wait: 10
+      udp_socket_buffer_size: 268435456
+    }
+    channel {
+      id: "*"
+      feed_engine: "mdp3feed"
+      use_tcp_replay: false
+      recovery_queue_size: 640000
+      lost_packet_wait_timeout_ms: 10
+      onixs_log_mode: CME_ONIXS_LOG_MODE_UNSPECIFIED
+      #max_gap_recovery_cache_size: 4
+      use_natural_refresh: false
+      join_snapshot_on_gap: false
+    }
+  }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    console {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Info"
+      }
+      subsystem {
+        name: "OrderMan"
+        level: "Info"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+    glbx {
+       unique_check_value: 15
+       use_databento: false
+    }
+   # recording {
+   #    venue: VENUE_GLBX
+   #    num_of_seconds_to_run_file_writer: 300
+   #    num_of_seconds_to_run_db_writer : 0
+   #    n_book_levels: 10 
+   #    batch_size: 100 #for the db writer
+   #    enable_book_recording: true
+   #    enable_trade_recording:  true
+   #    enable_bbo_recording: false
+   #    enable_tbbo_recording:  false
+   #    enable_misc_recording: true
+   #}
+ }
+}

src/app_sparkd/configurations/cme_dev_replay_aws/symbols.conf

@@ -0,0 +1,61 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    # list {
+    #   key: "GlbxOptions"
+    #   symbol: "E1A"
+    #   symbol: "E1B"
+    #   symbol: "E1C"
+    #   symbol: "E1D"
+    #   symbol: "E2A"
+    #   symbol: "E2B"
+    #   symbol: "E2C"
+    #   symbol: "E2D"
+    #   symbol: "E3A"
+    #   symbol: "E3B"
+    #   symbol: "E3C"
+    #   symbol: "E3D"
+    #   symbol: "E4A"
+    #   symbol: "E4B"
+    #   symbol: "E4C"
+    #   symbol: "E4D"
+    #   symbol: "E5A"
+    #   symbol: "E5B"
+    #   symbol: "E5C"
+    #   symbol: "E5D"
+    #   symbol: "EW1"
+    #   symbol: "EW2"
+    #   symbol: "EW3"
+    #   symbol: "EW4"
+    #   symbol: "ESH9"
+    #   symbol: "ESZ6"
+    #   symbol: "ESH0"
+    #   symbol: "ESM6"
+    #   symbol: "ESZ7"
+    #   symbol: "ESH6"
+    #   symbol: "ESM7"
+    #   symbol: "ESZ8"
+    #   symbol: "ESH7"
+    #   symbol: "ESH8"
+    #   symbol: "ESU6"
+    #   symbol: "ESZ5"
+    #   symbol: "ESZ9"
+    #   symbol: "E1D"
+    #   symbol: "ESZ5"
+    #   symbol: "ES"
+    # }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        # option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/configurations/ophir_cert_live_wb/.env

@@ -0,0 +1,10 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_cert_live_wb
+SPARKD__DATA_DIR=/home/wedbushprod/9000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_cert_live_wb/requirements.txt
+SPARKD__RUNTIME_CONF_DIR=/home/wedbushprod/9000/sparkdata/conf
+SPARKD__SHM_SIZE=8g
+SPARKD__MEMORY=16g
+SPARKD__CONFIG_PORT=9000
+SPARKD__QUICKBUS_PORT=9001
+SPARKD__SIM_FIX_PORT=9002

src/app_sparkd/configurations/ophir_cert_live_wb/requirements.txt

@@ -0,0 +1,5 @@
+numpy==2.2.6
+pybit==5.11.0
+requests==2.31.0
+websocket-client==1.8.0
+websockets==15.0.1

src/app_sparkd/configurations/ophir_cert_live_wb/spark.conf

@@ -0,0 +1,140 @@
+DeploymentType {
+  value {
+    type: "dev"
+  }
+}
+PublisherOptions {
+   value {
+      network_interface_a: 'ens65f1'
+      network_interface_b: 'ens65f0'
+      #these get overriden if not entered here
+      heartbeat_ms: 5000
+      heartbeat_boot_seconds: 60
+      skip_options: false
+      hot_initial: 1024
+      hot_growth: 1024
+      cold_initial: 8192
+      cold_growth: 2048
+      channel_prefix: ""
+      disable_heartbeat: false
+   }
+}
+
+CMEOptions {
+  value {
+    feed_engine {
+      name: "mdp3feed"
+      spin_time: 0
+      channels_per_thread: 3
+      data_wait: 10
+      udp_socket_buffer_size: 268435456
+    }
+    channel {
+      id: "*"
+      feed_engine: "mdp3feed"
+      use_tcp_replay: false
+      recovery_queue_size: 640000
+      lost_packet_wait_timeout_ms: 10
+      onixs_log_mode: CME_ONIXS_LOG_MODE_UNSPECIFIED
+      #max_gap_recovery_cache_size: 4
+      use_natural_refresh: false
+      join_snapshot_on_gap: false
+    }
+  }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    console {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Info"
+      }
+      subsystem {
+        name: "OrderMan"
+        level: "Info"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+    glbx {
+       unique_check_value: 15
+       use_databento: false
+    }
+   # recording {
+   #    venue: VENUE_GLBX
+   #    num_of_seconds_to_run_file_writer: 300
+   #    num_of_seconds_to_run_db_writer : 0
+   #    n_book_levels: 10 
+   #    batch_size: 100 #for the db writer
+   #    enable_book_recording: true
+   #    enable_trade_recording:  true
+   #    enable_bbo_recording: false
+   #    enable_tbbo_recording:  false
+   #    enable_misc_recording: true
+   #}
+ }
+}
+
+JetFIX {
+  value {
+    connection {
+      name: "maw_004_64"
+      venue: VENUE_GLBX
+      socket_connect_host_ip: "69.50.112.177"
+      socket_connect_port: 44040
+      sender_compid: "MAW004"
+      target_compid: "CME"
+      target_subid: "64"
+      cme_market_segment_id: 64
+      start_time: "00:10:00"
+      end_time: "23:55:00"
+      start_day: "sunday"
+      end_day: "friday"
+      seconds_between_hbs: 15
+      sender_subid: "BTS"
+      seconds_to_pause: 2
+      max_connection_attempts: 100
+      use_ilink3: true
+    }
+  }
+}
+OrdermanCfg {
+  value {
+    executor {
+      thread_name: "oman_orders"
+      poll: true 
+      hosted_actor: "MDSource"
+      hosted_actor: "OrderManager"
+      hosted_actor: "ExecutionGateway"
+    }
+    executor {
+      thread_name: "oman_slow"
+            poll: false 
+      hosted_actor: "*"
+    }
+    fallback_cust_order_handling_inst: "Y"
+  }
+}
+NotSimExecution {
+  value {
+    entries {
+      venue: VENUE_GLBX
+    }
+  }
+}
+Ports {
+   value {
+      config_port: 9000
+      qbus_port: 9001
+      glbx_sim_fix_port: 9002
+      ice_sim_fix_port: 9003
+      replicator_port: 9080
+   }
+}

src/app_sparkd/configurations/ophir_cert_live_wb/symbols.conf

@@ -0,0 +1,61 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    list {
+      key: "GlbxOptions"
+      symbol: "E1A"
+      symbol: "E1B"
+      symbol: "E1C"
+      symbol: "E1D"
+      symbol: "E2A"
+      symbol: "E2B"
+      symbol: "E2C"
+      symbol: "E2D"
+      symbol: "E3A"
+      symbol: "E3B"
+      symbol: "E3C"
+      symbol: "E3D"
+      symbol: "E4A"
+      symbol: "E4B"
+      symbol: "E4C"
+      symbol: "E4D"
+      symbol: "E5A"
+      symbol: "E5B"
+      symbol: "E5C"
+      symbol: "E5D"
+      symbol: "EW1"
+      symbol: "EW2"
+      symbol: "EW3"
+      symbol: "EW4"
+      symbol: "ESH9"
+      symbol: "ESZ6"
+      symbol: "ESH0"
+      symbol: "ESM6"
+      symbol: "ESZ7"
+      symbol: "ESH6"
+      symbol: "ESM7"
+      symbol: "ESZ8"
+      symbol: "ESH7"
+      symbol: "ESH8"
+      symbol: "ESU6"
+      symbol: "ESZ5"
+      symbol: "ESZ9"
+      symbol: "E1D"
+      symbol: "ESZ5"
+      symbol: "ES"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/configurations/ophir_demo/.env

@@ -1,5 +0,0 @@
-SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_demo
-SPARKD__DATA_DIR=/home/ubuntu/8000/sparkdata/data
-SPARKD__IMAGE=sparkd_symbols
-SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_demo/requirements.txt
-SPARKD__RUNTIME_CONF_DIR=/home/ubuntu/8000/sparkdata/conf

src/app_sparkd/configurations/ophir_demo/symbols.conf

@@ -1,8 +0,0 @@
-Symbols {
-  value {
-    venues {
-      name: "VENUE_GLBX"
-      future: "ES"
-    }
-  }
-}

src/app_sparkd/configurations/ophir_prod_live_wb/.env

@@ -0,0 +1,7 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_prod_live_wb
+SPARKD__DATA_DIR=/home/wedbushprod/8000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_prod_live_wb/requirements.txt
+SPARKD__RUNTIME_CONF_DIR=/home/wedbushprod/8000/sparkdata/conf
+SPARKD__SHM_SIZE=8g
+SPARKD__MEMORY=16g

src/app_sparkd/configurations/ophir_prod_live_wb/requirements.txt

@@ -0,0 +1,5 @@
+numpy==2.2.6
+pybit==5.11.0
+requests==2.31.0
+websocket-client==1.8.0
+websockets==15.0.1

src/app_sparkd/configurations/ophir_prod_live_wb/spark.conf

@@ -0,0 +1,152 @@
+DeploymentType {
+  value {
+    type: "prod"
+  }
+}
+PublisherOptions {
+   value {
+      network_interface_a: 'enp193s0f0np0'
+      network_interface_b: 'enp193s0f1np1'
+      #these get overriden if not entered here
+      heartbeat_ms: 5000
+      heartbeat_boot_seconds: 60
+      skip_options: false
+      hot_initial: 1024
+      hot_growth: 1024
+      cold_initial: 8192
+      cold_growth: 2048
+      channel_prefix: ""
+      disable_heartbeat: false
+   }
+}
+
+CMEOptions {
+  value {
+    feed_engine {
+      name: "mdp3feed"
+      spin_time: 0
+      channels_per_thread: 3
+      data_wait: 10
+      udp_socket_buffer_size: 268435456
+    }
+    channel {
+      id: "*"
+      feed_engine: "mdp3feed"
+      use_tcp_replay: false
+      recovery_queue_size: 640000
+      lost_packet_wait_timeout_ms: 10
+      onixs_log_mode: CME_ONIXS_LOG_MODE_UNSPECIFIED
+      #max_gap_recovery_cache_size: 4
+      use_natural_refresh: false
+      join_snapshot_on_gap: false
+    }
+  }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    console {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Info"
+      }
+      subsystem {
+        name: "OrderMan"
+        level: "Info"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+    glbx {
+       unique_check_value: 15
+       use_databento: false
+    }
+   # recording {
+   #    venue: VENUE_GLBX
+   #    num_of_seconds_to_run_file_writer: 300
+   #    num_of_seconds_to_run_db_writer : 0
+   #    n_book_levels: 10 
+   #    batch_size: 100 #for the db writer
+   #    enable_book_recording: true
+   #    enable_trade_recording:  true
+   #    enable_bbo_recording: false
+   #    enable_tbbo_recording:  false
+   #    enable_misc_recording: true
+   #}
+ }
+}
+
+JetFIX {
+  value {
+    connection {
+      name: "u6p_7qb_54"
+      venue: VENUE_GLBX
+      socket_connect_host_ip: "205.209.201.97"
+      socket_connect_port: 10979
+      sender_compid: "U6P7QB"
+      target_compid: "CME"
+      target_subid: "54"
+      cme_market_segment_id: 54
+      start_time: "00:10:00"
+      end_time: "23:55:00"
+      start_day: "sunday"
+      end_day: "friday"
+      seconds_between_hbs: 15
+      sender_subid: "BTS"
+      seconds_to_pause: 1
+      max_order_msgs_per_window: 300
+      max_connection_attempts: 2
+      use_ilink3: true
+    }
+   connection {
+      name: "u6p_7qb_64"
+      venue: VENUE_GLBX
+      socket_connect_host_ip: "205.209.201.1"
+      socket_connect_port: 10979
+      sender_compid: "U6P7QB"
+      target_compid: "CME"
+      target_subid: "64"
+      cme_market_segment_id: 64
+      start_time: "00:10:00"
+      end_time: "23:55:00"
+      start_day: "sunday"
+      end_day: "friday"
+      seconds_between_hbs: 15
+      sender_subid: "BTS"
+      seconds_to_pause: 1
+      max_connection_attempts: 2
+      max_order_msgs_per_window: 300
+      use_ilink3: true
+    }
+  }
+}
+OrdermanCfg {
+  value {
+    executor {
+      thread_name: "oman_orders"
+      poll: true 
+      hosted_actor: "MDSource"
+      hosted_actor: "OrderManager"
+      hosted_actor: "ExecutionGateway"
+    }
+    executor {
+      thread_name: "oman_slow"
+            poll: false 
+      hosted_actor: "*"
+    }
+    fallback_cust_order_handling_inst: "Y"
+  }
+}
+NotSimExecution {
+  value {
+    entries {
+      venue: VENUE_GLBX
+    }
+  }
+}

src/app_sparkd/configurations/ophir_prod_live_wb/symbols.conf

@@ -0,0 +1,61 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    list {
+      key: "GlbxOptions"
+      symbol: "E1A"
+      symbol: "E1B"
+      symbol: "E1C"
+      symbol: "E1D"
+      symbol: "E2A"
+      symbol: "E2B"
+      symbol: "E2C"
+      symbol: "E2D"
+      symbol: "E3A"
+      symbol: "E3B"
+      symbol: "E3C"
+      symbol: "E3D"
+      symbol: "E4A"
+      symbol: "E4B"
+      symbol: "E4C"
+      symbol: "E4D"
+      symbol: "E5A"
+      symbol: "E5B"
+      symbol: "E5C"
+      symbol: "E5D"
+      symbol: "EW1"
+      symbol: "EW2"
+      symbol: "EW3"
+      symbol: "EW4"
+      symbol: "ESH9"
+      symbol: "ESZ6"
+      symbol: "ESH0"
+      symbol: "ESM6"
+      symbol: "ESZ7"
+      symbol: "ESH6"
+      symbol: "ESM7"
+      symbol: "ESZ8"
+      symbol: "ESH7"
+      symbol: "ESH8"
+      symbol: "ESU6"
+      symbol: "ESZ5"
+      symbol: "ESZ9"
+      symbol: "E1D"
+      symbol: "ESZ5"
+      symbol: "ES"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/configurations/ophir_prod_live_wb_sim/.env

@@ -0,0 +1,7 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_prod_live_wb
+SPARKD__DATA_DIR=/home/dk/8000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_prod_live_wb/requirements.txt
+SPARKD__RUNTIME_CONF_DIR=/home/dk/8000/sparkdata/conf
+SPARKD__SHM_SIZE=8g
+SPARKD__MEMORY=16g

src/app_sparkd/configurations/ophir_prod_live_wb_sim/requirements.txt

@@ -0,0 +1,5 @@
+numpy==2.2.6
+pybit==5.11.0
+requests==2.31.0
+websocket-client==1.8.0
+websockets==15.0.1

src/app_sparkd/configurations/ophir_prod_live_wb_sim/spark.conf

@@ -0,0 +1,101 @@
+DeploymentType {
+  value {
+    type: "prod"
+  }
+}
+PublisherOptions {
+   value {
+      network_interface_a: 'enp193s0f0np0'
+      network_interface_b: 'enp193s0f1np1'
+      #these get overriden if not entered here
+      heartbeat_ms: 5000
+      heartbeat_boot_seconds: 60
+      skip_options: false
+      hot_initial: 1024
+      hot_growth: 1024
+      cold_initial: 8192
+      cold_growth: 2048
+      channel_prefix: ""
+      disable_heartbeat: false
+   }
+}
+
+CMEOptions {
+  value {
+    feed_engine {
+      name: "mdp3feed"
+      spin_time: 0
+      channels_per_thread: 3
+      data_wait: 10
+      udp_socket_buffer_size: 268435456
+    }
+    channel {
+      id: "*"
+      feed_engine: "mdp3feed"
+      use_tcp_replay: false
+      recovery_queue_size: 640000
+      lost_packet_wait_timeout_ms: 10
+      onixs_log_mode: CME_ONIXS_LOG_MODE_UNSPECIFIED
+      #max_gap_recovery_cache_size: 4
+      use_natural_refresh: false
+      join_snapshot_on_gap: false
+    }
+  }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    console {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Info"
+      }
+      subsystem {
+        name: "OrderMan"
+        level: "Info"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+    glbx {
+       unique_check_value: 15
+       use_databento: false
+    }
+   # recording {
+   #    venue: VENUE_GLBX
+   #    num_of_seconds_to_run_file_writer: 300
+   #    num_of_seconds_to_run_db_writer : 0
+   #    n_book_levels: 10 
+   #    batch_size: 100 #for the db writer
+   #    enable_book_recording: true
+   #    enable_trade_recording:  true
+   #    enable_bbo_recording: false
+   #    enable_tbbo_recording:  false
+   #    enable_misc_recording: true
+   #}
+ }
+}
+
+OrdermanCfg {
+  value {
+    executor {
+      thread_name: "oman_orders"
+      poll: true 
+      hosted_actor: "MDSource"
+      hosted_actor: "OrderManager"
+      hosted_actor: "ExecutionGateway"
+    }
+    executor {
+      thread_name: "oman_slow"
+            poll: false 
+      hosted_actor: "*"
+    }
+    fallback_cust_order_handling_inst: "Y"
+  }
+}

src/app_sparkd/configurations/ophir_prod_live_wb_sim/symbols.conf

@@ -0,0 +1,61 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    list {
+      key: "GlbxOptions"
+      symbol: "E1A"
+      symbol: "E1B"
+      symbol: "E1C"
+      symbol: "E1D"
+      symbol: "E2A"
+      symbol: "E2B"
+      symbol: "E2C"
+      symbol: "E2D"
+      symbol: "E3A"
+      symbol: "E3B"
+      symbol: "E3C"
+      symbol: "E3D"
+      symbol: "E4A"
+      symbol: "E4B"
+      symbol: "E4C"
+      symbol: "E4D"
+      symbol: "E5A"
+      symbol: "E5B"
+      symbol: "E5C"
+      symbol: "E5D"
+      symbol: "EW1"
+      symbol: "EW2"
+      symbol: "EW3"
+      symbol: "EW4"
+      symbol: "ESH9"
+      symbol: "ESZ6"
+      symbol: "ESH0"
+      symbol: "ESM6"
+      symbol: "ESZ7"
+      symbol: "ESH6"
+      symbol: "ESM7"
+      symbol: "ESZ8"
+      symbol: "ESH7"
+      symbol: "ESH8"
+      symbol: "ESU6"
+      symbol: "ESZ5"
+      symbol: "ESZ9"
+      symbol: "E1D"
+      symbol: "ESZ5"
+      symbol: "ES"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/configurations/ophir_sim_replay/.env

@@ -0,0 +1,4 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_sim_replay
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_sim_replay/requirements.txt
+TZ=America/Chicago
+SPARKD__MD_RECORDING_DIR=/home/wedbushprod/8000/md_recording

src/app_sparkd/configurations/ophir_sim_replay/requirements.txt

@@ -0,0 +1 @@
+requests==2.31.0

src/app_sparkd/configurations/ophir_sim_replay/spark.conf

@@ -24,38 +24,9 @@ PublisherOptions {
   }
 }
 
-Logging {
-  value {
-    initial_queue_size: 120001
-    max_queue_growth: 4
-    console {
-      default_level: "Info"
-      subsystem {
-        name: "md"
-        level: "Warn"
-      }
-      subsystem {
-        name: "OrderMan"
-        level: "Info"
-      }
-    }
-    file {
-      default_level: "Info"
-      subsystem {
-        name: "OrderMan"
-        level: "Diag"
-      }
-      subsystem {
-        name: "Http"
-        level: "Diag"
-      }
-    }
-  }
-}
-
 MarketDataConfig {
   value {
-    replay {
+   replay {
       venue: VENUE_GLBX
     }
   }

src/app_sparkd/configurations/ophir_sim_replay/symbols.conf

@@ -0,0 +1,46 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    list {
+      key: "GlbxOptions"
+      symbol: "E1A"
+      symbol: "E1B"
+      symbol: "E1C"
+      symbol: "E1D"
+      symbol: "E2A"
+      symbol: "E2B"
+      symbol: "E2C"
+      symbol: "E2D"
+      symbol: "E3A"
+      symbol: "E3B"
+      symbol: "E3C"
+      symbol: "E3D"
+      symbol: "E4A"
+      symbol: "E4B"
+      symbol: "E4C"
+      symbol: "E4D"
+      symbol: "E5A"
+      symbol: "E5B"
+      symbol: "E5C"
+      symbol: "E5D"
+      symbol: "ES"
+      symbol: "EW1"
+      symbol: "EW2"
+      symbol: "EW3"
+      symbol: "EW4"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/configurations/ophir_sim_replay_wb/.env

@@ -0,0 +1,9 @@
+SPARKD__CONFIG_DIR=src/app_sparkd/configurations/ophir_sim_replay_wb
+SPARKD__DATA_DIR=/home/wedbushprod/9000/sparkdata/data
+SPARKD__IMAGE=sparkd_symbols
+SPARKD__PYTHON_REQUIREMENTS=src/app_sparkd/configurations/ophir_sim_replay_wb/requirements.txt
+SPARKD__RUNTIME_CONF_DIR=/home/wedbushprod/9000/sparkdata/conf
+SPARKD__MD_RECORDING_DIR=/home/wedbushprod/md_recording
+SPARKD__CONFIG_PORT=9000
+SPARKD__QUICKBUS_PORT=9001
+SPARKD__SIM_FIX_PORT=9002

src/app_sparkd/configurations/ophir_sim_replay_wb/requirements.txt

@@ -0,0 +1,5 @@
+numpy==2.2.6
+pybit==5.11.0
+requests==2.31.0
+websocket-client==1.8.0
+websockets==15.0.1

src/app_sparkd/configurations/ophir_sim_replay_wb/spark.conf

@@ -0,0 +1,46 @@
+JetFIX {
+  value {
+    connection {
+      name: "glbx_1"
+      venue: VENUE_GLBX
+      max_order_msgs_per_window: 300
+      window_duration_msecs: 1000
+    }
+  }
+}
+
+Ports {
+   value {
+      config_port: 9000
+      qbus_port: 9001
+      glbx_sim_fix_port: 9002
+      ice_sim_fix_port: 9003
+   }
+}
+
+Logging {
+  value {
+    initial_queue_size: 120001
+    max_queue_growth: 4
+    console {
+      default_level: "Info"
+      subsystem {
+        name: "md"
+        level: "Info"
+      }
+      subsystem {
+        name: "OrderMan"
+        level: "Info"
+      }
+    }
+  }
+}
+
+MarketDataConfig {
+  value {
+     replay {
+      venue: VENUE_GLBX
+    }
+  }
+}
+

src/app_sparkd/configurations/ophir_sim_replay_wb/symbols.conf

@@ -0,0 +1,61 @@
+SymbolLists {
+  value {
+    list {
+      key: "GlbxFutures"
+      symbol: "ES"
+    }
+    list {
+      key: "GlbxOptions"
+      symbol: "E1A"
+      symbol: "E1B"
+      symbol: "E1C"
+      symbol: "E1D"
+      symbol: "E2A"
+      symbol: "E2B"
+      symbol: "E2C"
+      symbol: "E2D"
+      symbol: "E3A"
+      symbol: "E3B"
+      symbol: "E3C"
+      symbol: "E3D"
+      symbol: "E4A"
+      symbol: "E4B"
+      symbol: "E4C"
+      symbol: "E4D"
+      symbol: "E5A"
+      symbol: "E5B"
+      symbol: "E5C"
+      symbol: "E5D"
+      symbol: "EW1"
+      symbol: "EW2"
+      symbol: "EW3"
+      symbol: "EW4"
+      symbol: "ESH9"
+      symbol: "ESZ6"
+      symbol: "ESH0"
+      symbol: "ESM6"
+      symbol: "ESZ7"
+      symbol: "ESH6"
+      symbol: "ESM7"
+      symbol: "ESZ8"
+      symbol: "ESH7"
+      symbol: "ESH8"
+      symbol: "ESU6"
+      symbol: "ESZ5"
+      symbol: "ESZ9"
+      symbol: "E1D"
+      symbol: "ESZ5"
+      symbol: "ES"
+    }
+  }
+}
+
+Symbols {
+  value {
+    venues {
+        name: "VENUE_GLBX"
+        future: @SymbolLists.list[GlbxFutures].symbol
+        option: @SymbolLists.list[GlbxOptions].symbol
+    }
+  }
+}

src/app_sparkd/sparkd-entrypoint.sh

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+init_timezone() {
+  tz="${1:-$TZ}"
+  zoneinfo_dir=/usr/share/zoneinfo
+  if [ -f "$zoneinfo_dir/$tz" -a "$(readlink -f /etc/localtime)" != "$zoneinfo_dir/$tz" ]; then
+    echo "Setting locales and timezone to $tz"
+    if [ -e /etc/localtime ]; then
+      sudo -n rm -f /etc/localtime
+    fi
+    sudo -n ln -snf "$zoneinfo_dir/$tz" /etc/localtime
+    echo $tz | sudo -n tee /etc/timezone > /dev/null
+  fi
+}
+
+load_env() {
+  f="$1"
+  if [ -e "$f" ]; then
+    echo "Sourcing $f"
+    set -a
+    . "$f"
+    set +a
+  fi
+}
+
+symlink() {
+  src="$1"
+  dst="$2"
+  if [ -L "$dst" ]; then
+    rm "$dst"
+  fi
+  ln -s "$src" "$dst"
+}
+
+roll_log() {
+  f="$1"
+  if [ -e "$f" ]; then
+    mv "$f" "${f}_$(date '+%Y%m%d-%H%M')"
+  fi
+}
+
+# Acquire sudo permission once for the script (needed for a few calls)
+echo bts | sudo -S -v
+data_root="${HOME:-/home/bts}/.local/share/bts/sparkd"
+sudo -n chown -R bts:bts "$data_root"
+load_env "$data_root/conf/.env.local"
+init_timezone "$TZ"
+roll_log "$data_root/data/logging.sparkd/log"
+symlink "$data_root/conf/plugins" /home/bts/bin/plugins
+
+if  [ -e "/md_recording" -a ! -e "/home/bts/.local/share/bts/sparkd/data/md_recording" ]; then
+  symlink "/md_recording" /home/bts/.local/share/bts/sparkd/data/md_recording
+fi
+
+bash -c "${@:-./sparkd run}"

src/app_sparkd/sparkd/cmds/Run.cpp

@@ -17,7 +17,6 @@
 #include "spark/orderman/OrderServiceServer.h"
 #include "spark/orderman/events/TradeSummarySignalDispatcher.h"
 #include "spark/orderman/order_factory/DynamicOrderRegistry.h"
-#include "spark/os/os.h"
 #include "spark/os/spark_data_directory.h"
 #include "spark/persistence/PersistenceServiceServer.h"
 #include "spark/plugin/SparkServices.h"
@@ -32,6 +31,7 @@
 #include "sparkd/execution/execution_gateway_provider.h"
 #include "sparkd/http/WebServer.h"
 #include "sparkd/md/MarketDataAuxiliaryServiceServer.h"
+#include "sparkd/md/market_data_session.h"
 #include "sparkd/md/recording/MDRecorder.h"
 #include "sparkd/position/MarginServiceServer.h"
 #include "sparkd/position/PositionServiceServer.h"
@@ -46,6 +46,7 @@
 namespace bts::cmds {
 
 using bts::api::ServiceContext;
+using bts::md::MarketDataSession;
 using bts::md::MDClient;
 using bts::md::TradeSummarySignalDispatcher;
 using bts::metrics::MetricsContainer;
@@ -107,7 +108,7 @@ static void execute() {
    auto py_plugin_man = std::make_shared<python_interop::PluginManager>();
    // start work loop in background
    py_plugin_man->start_work_thread();
-   md::cmds::Run::run(py_plugin_man);
+   MarketDataSession md_session{py_plugin_man};
 
    api::synthetic::SyntheticSecurityService synthetic_service(sc);
    bts::md::MDClient mdclient(

src/app_sparkd/sparkd/cmds/md/cmds/DumpSecurity.cpp

@@ -1,11 +1,11 @@
 #include "DumpSecurity.h"
 #include "spark/api/domain/SecurityType.h"
 #include "spark/config/protos/market_data.pb.h"
-#include "spark/core/TableFormatter.h"
 #include "spark/domain_model/Security.h"
 #include "spark/domain_model/Security.pb.h"
 #include "spark/domain_model/SecurityType.h"
 #include "spark/domain_model/Venue.h"
+#include "spark/format/table.h"
 #include "spark/md/Diag/ShmDumper.h"
 #include "spark/md/SecurityDB.h"
 #include "spark/md/SymbolLoader.h"
@@ -23,7 +23,8 @@ using bts::api::SecurityType;
 using bts::api::SecurityType_Name;
 using bts::api::Venue;
 using bts::api::venue_parse_smart;
-using bts::core::TableFormatter;
+using bts::format::format_table;
+using bts::format::detail::TableSchema;
 using bts::md::securitytype_of;
 using bts::md::SymbolLoader;
 using bts::md::db::load_metadata;
@@ -69,7 +70,7 @@ void print_securities(function<bool(const Security &)> predicate) {
 
 void print_db_securities(function<bool(const Security &)> predicate) {
    vector<Security> secs;
-   const TableFormatter::Schema<Security> schema{
+   const TableSchema<Security> schema{
        make_tuple(
            "id", 12, [](const Security &s) { return std::to_string(s.id()); }),
        make_tuple(
@@ -93,7 +94,7 @@ void print_db_securities(function<bool(const Security &)> predicate) {
       secs.push_back(sec);
    };
    load_securities([](auto) { return true; }, on_sec);
-   TableFormatter::format(std::cout, secs, schema);
+   format_table(std::cout, secs, schema);
 }
 
 template <class T, class ParseT = function<bool(const string &, T *)>>

src/app_sparkd/sparkd/execution/execution_gateway_provider.cpp

@@ -109,7 +109,8 @@ struct ExecutionGatewayProvider::PImpl {
          return make_gw<ICEExecutionGateway>(conn, conn, *l, o);
       case api::VENUE_GLBX:
          if (conn.use_ilink3()) {
-            make_gw<ilink3::GLBXiLink3ExecutionGateway>(conn, conn, *l, o);
+            return make_gw<ilink3::GLBXiLink3ExecutionGateway>(
+                conn, conn, *l, o);
          }
          return make_gw<GLBXExecutionGateway>(conn, conn, *l, o);
       case api::VENUE_DERIBIT:

src/app_sparkd/sparkd/execution/py_execution_gateway_adapter.cpp

@@ -23,7 +23,7 @@
 #include "spark/api/services/native_order_type.h"
 #include "spark/api/services/time_in_force.h"
 #include "spark/config/protos/jetfix.pb.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/core/start_stop_state_machine.h"
 #include "spark/domain/tick_utils.h"
 #include "spark/domain_model/Security.h"

src/app_sparkd/sparkd/md/MarketDataGateway.cpp

@@ -4,7 +4,7 @@
 #include "spark/api/md/MarketDataConfig.pb.h"
 #include "spark/api/md/MarketDataConfigUtils.h"
 #include "spark/core/FMT.h"
-#include "spark/core/TimeSpan.h"
+#include "spark/core/time_span.h"
 #include "spark/domain/DomainSecurityUtils.h"
 #include "spark/domain/SecurityID.h"
 #include "spark/domain_model/Venue.h"
@@ -141,5 +141,6 @@ MarketDataGateway::MarketDataGateway(
 MarketDataGateway::~MarketDataGateway() = default;
 
 void MarketDataGateway::start() { me_->start(); }
+void MarketDataGateway::stop() { me_->stop(); }
 
 } // namespace bts::md

src/app_sparkd/sparkd/md/MarketDataGateway.h

@@ -29,6 +29,7 @@ class MarketDataGateway {
    ~MarketDataGateway();
 
    void start();
+   void stop();
 
  private:
    struct PImpl;

src/app_sparkd/sparkd/md/PyMarketDataSubscription.cpp

@@ -15,8 +15,8 @@
 #include "spark/api/domain/SecurityType.h"
 #include "spark/api/domain/Venue.h"
 #include "spark/api/md/PyMarketDataProviderConfig.pb.h"
-#include "spark/core/TimeSpan.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_span.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/AggressorSide.h"
 #include "spark/domain/FutureSecurity.h"
 #include "spark/domain/Security.h"

src/app_sparkd/sparkd/md/binance/BinanceContractType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinanceFilterType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinanceInstrumentStatus.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinanceMessageType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinanceMiniTickerEventType.h

@@ -15,7 +15,7 @@ namespace bts::md::binance {
  */
 class BinanceMiniTickerEventType {
    // Unlike most binance-related enums, this one isn't defined via macros (in
-   // EnumMacros.h). The macros assume the enum value names are identical to
+   // enum_macros.h). The macros assume the enum value names are identical to
    // their json field counter-parts. Unfortunately, one of the json fields for
    // this enum, '24hrMiniTicker', isn't a legal name in cpp.
  public:

src/app_sparkd/sparkd/md/binance/BinanceMiniTickerUpdate.cpp

@@ -1,6 +1,6 @@
 #ifdef SPARK_ENABLE_CCAPI
 #include "BinanceMiniTickerUpdate.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/Price.h"
 #include "spark/domain/Quantity.h"
 #include "spark/domain/SecurityMarketDataStatistics.h"

src/app_sparkd/sparkd/md/binance/BinanceMiniTickerUpdate.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/SecurityMarketDataStatistics.h"
 #include "sparkd/md/binance/BinanceMiniTickerEventType.h"
 

src/app_sparkd/sparkd/md/binance/BinanceOrderType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinancePermission.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance/BinancePriceStatistics.cpp

@@ -1,5 +1,5 @@
 #include "BinancePriceStatistics.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/Price.h"
 #include "spark/domain/Quantity.h"
 #include "spark/domain/SecurityMarketDataStatistics.h"

src/app_sparkd/sparkd/md/binance/BinancePriceStatistics.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 
 #include <cstdint>
 #include <nlohmann/json.hpp>

src/app_sparkd/sparkd/md/binance/BinanceQuoteAsset.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "spark/api/domain/Currency.pb.h"
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <boost/algorithm/string/case_conv.hpp>

src/app_sparkd/sparkd/md/binance_coin_futures/binance_coin_futures_contract_type.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance_coin_futures/binance_coin_futures_message_type.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance_us/BinanceUsMessageType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance_us/BinanceUsPriceStatistics.cpp

@@ -1,5 +1,5 @@
 #include "BinanceUsPriceStatistics.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/Price.h"
 #include "spark/domain/Quantity.h"
 #include "spark/domain/SecurityMarketDataStatistics.h"

src/app_sparkd/sparkd/md/binance_us/BinanceUsPriceStatistics.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 
 #include <cstdint>
 #include <nlohmann/json.hpp>

src/app_sparkd/sparkd/md/binance_usds_futures/BinanceUsdsFuturesContractType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/binance_usds_futures/BinanceUsdsFuturesMessageType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/ccapi/CCApiCorrelationID.h

@@ -1,8 +1,8 @@
 #pragma once
 
+#include "spark/algorithm/string/find.h"
+#include "spark/algorithm/string/join.h"
 #include "spark/core/FMT_IMPL.h"
-#include "spark/core/StringFinder.h"
-#include "spark/core/StringJoiner.h"
 #include "spark/utils/bts_assert.h"
 
 #include <boost/algorithm/string/split.hpp>
@@ -119,7 +119,7 @@ inline CCApiCorrelationID CCApiCorrelationID::from_string(
 template <class... Parts>
 inline CCApiCorrelationID CCApiCorrelationID::from_parts(Parts... parts) {
    // TODO: create the parts vector/string simultaneously (more efficient)
-   auto parts_str = core::StringJoiner::join(delimiter(), parts...);
+   auto parts_str = bts::algorithm::join(delimiter(), parts...);
    return from_string(parts_str);
 }
 
@@ -231,7 +231,7 @@ inline void CCApiCorrelationID::advance_(std::size_t len) {
       return;
    }
    cursor_ += len;
-   auto idx = core::StringFinder::find(str_, '.', len);
+   auto idx = bts::algorithm::find_nth(str_, '.', len);
    str_ = str_.substr(idx);
 }
 

src/app_sparkd/sparkd/md/ccapi/CCApiMessageLogger.cpp

@@ -1,6 +1,6 @@
 #include "CCApiMessageLogger.h"
-#include "spark/core/StringJoiner.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/algorithm/string/join.h"
+#include "spark/core/time_stamp.h"
 
 #include <fmt/format.h>
 #include <range/v3/view.hpp>
@@ -9,7 +9,7 @@
 
 namespace bts::md {
 
-using bts::core::StringJoiner;
+using bts::algorithm::join;
 using std::string;
 
 CCApiMessageLogger::CCApiMessageLogger(std::string name)
@@ -24,7 +24,7 @@ void CCApiMessageLogger::on_messages(
    auto msg_strs = msgs | ranges::views::transform([](const ccapi::Message *m) {
                       return m->toStringPretty();
                    });
-   auto msgs_str = StringJoiner::join(msg_strs.begin(), msg_strs.end(), "\n");
+   auto msgs_str = join(msg_strs.begin(), msg_strs.end(), "\n");
    LOG(md, Info, "Received CCApi messages. name: {}; corr_id: {}; msgs:\n{}",
        name_, corr_id, msgs_str);
 }

src/app_sparkd/sparkd/md/ccapi/CCApiTradeAdaptor.cpp

@@ -1,5 +1,5 @@
 #include "CCApiTradeAdaptor.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/SecurityID.h"
 #include "spark/domain/TradeRecord.h"
 #include "spark/utils/bts_fatal.h"

src/app_sparkd/sparkd/md/coinbase/CoinbaseMessageType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/coinbase/CoinbasePriceStatistics.cpp

@@ -1,5 +1,5 @@
 #include "CoinbasePriceStatistics.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/Price.h"
 #include "spark/domain/Quantity.h"
 #include "spark/domain/SecurityMarketDataStatistics.h"

src/app_sparkd/sparkd/md/coinbase/CoinbasePriceStatistics.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 
 #include <cstdint>
 #include <nlohmann/json.hpp>

src/app_sparkd/sparkd/md/databento/DatabentoDataHandler.cpp

@@ -23,7 +23,7 @@
 #include "spark/logging/logging.h"
 #include "spark/md/IMarketDataListener.h"
 #include "spark/persistence/IDGenerator.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/utils/TimeStamp.h"
 #include "spark/utils/bts_assert.h"
 #include "spark/utils/bts_chrono.h"

src/app_sparkd/sparkd/md/deribit/DeribitCombo.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "sparkd/md/deribit/DeribitComboLeg.h"
 
 #include <cstdint>

src/app_sparkd/sparkd/md/deribit/DeribitInstrument.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "sparkd/md/deribit/DeribitInstrumentKind.h"
 
 #include <nlohmann/json_fwd.hpp>

src/app_sparkd/sparkd/md/deribit/DeribitInstrumentKind.h

@@ -3,7 +3,7 @@
 #include "spark/algorithm/StringCaseConverter.h"
 #include "spark/api/domain/SecurityType.pb.h"
 #include "spark/collections/HASH_IMPL.h"
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 #include "spark/domain_model/Security.pb.h"
 

src/app_sparkd/sparkd/md/deribit/DeribitInstrumentState.h

@@ -1,7 +1,7 @@
 #pragma once
 
 #include "spark/core/FMT_IMPL.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "sparkd/md/deribit/DeribitInstrumentStateType.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/deribit/DeribitInstrumentStateType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/deribit/DeribitMessageType.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include "spark/core/EnumMacros.h"
+#include "spark/core/enum_macros.h"
 #include "spark/core/FMT_IMPL.h"
 
 #include <fmt/format.h>

src/app_sparkd/sparkd/md/deribit/DeribitSubscription.cpp

@@ -6,7 +6,7 @@
 #include "spark/collections/Remove.h"
 #include "spark/collections/Transform.h"
 #include "spark/core/FMT.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/Security.h"
 #include "spark/domain/SecurityCriteria.h"
 #include "spark/domain_model/Security.pb.h"

src/app_sparkd/sparkd/md/deribit/DeribitTradeAdaptor.cpp

@@ -1,5 +1,5 @@
 #include "DeribitTradeAdaptor.h"
-#include "spark/core/TimeStamp.h"
+#include "spark/core/time_stamp.h"
 #include "spark/domain/AggressorSide.h"
 #include "spark/domain/SecurityID.h"
 #include "spark/domain/TradeRecord.h"