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MQTT and Post Control

Full documentation: docs/mqtt.md

Controller connection (post)

• Broker: mqtt://<mqttLogin>:<mqttPassword>@<CRM-IP>:1883
• Login/password — from the post card in CRM (settings.mqttLogin / settings.mqttPassword)
• Default login = serialNumber
• Native protocol: {dt_pref}/{serial}/state/{suffix}
• Default dt_pref = washpro
• serial = posts.serialNumber in CRM (exact match in topic)

CRM (inside Docker)

• User: system (password — Settings → MQTT (CRM); bootstrap — MQTT_PASSWORD in .env)
• Do not use system on post panels

Post isolation

• Mosquitto ACL: post writes only to washpro/{own-serial}/#
• Serial spoofing in JSON does not affect other posts' statistics
• Sync: setup wizard → MQTT or post save

Telemetry (post → CRM)

Suffix	Content
process	balance, pause, mode, card
totals	finance before/after collection
usages	client/service counters
credit	credit from panel
card	NFC / collection

Control (CRM → post)

From Dashboard

Posts → ⚙ or post page → Device Settings:

• mode prices 0–9;
• commands (dropdown);
• MQTT prefix.

MQTT topics

{dt_pref}/{serial}/set/prices
{dt_pref}/{serial}/set/command

HTTP API (JWT)

POST /api/crm/post-device/posts/{serial}/prices
POST /api/crm/post-device/posts/{serial}/command
POST /api/crm/post-device/mqtt/sync-users

mosquitto_pub (debug from CRM server)

mosquitto_pub -h localhost -p 1883 -u system -P 'PASS' -q 1 \
  -t 'washpro/SN123/set/prices' -m '{"0":50,"1":80}'

MQTT log in Dashboard

• Above the table: Load more (100 records) — next page from API
• Table footer: Per page 20/40/60/80/100, Back/Next, Load more

Migration from RabbitMQ

./scripts/migrate-to-mqtt.sh

MQTT reset

./scripts/fix-mqtt.sh