* SMP commands for notifications (LSTN, NTFY) with separate queue IDs and keys
* rename Notifier types
* remove notify key and id from NEW and IDS commands (TODO add other commands)
* fix StoreLog serialization
* add commands for managing notifications
* add notification subscribers to server state, add notifier ID and key to store log
* add notifier ID and key to the queue
* refactor END notification to work for both types of subscriptions, deliver message notification (NMSG)
* process NSUB command - subscribe to message notifications
* test for message notifications
* fix SMP client function for NSUB command
* fix parse/serialize NID command
* refactor use ifM
* check duplicate notifier ID only against other notifier IDs
* refactor getQueue
* test notifier ID and key with store log
* Update src/Simplex/Messaging/Client.hs
Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>
* Update src/Simplex/Messaging/Server.hs
Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>
* store log: s/NOTIFY/NOTIFIER/
Co-authored-by: Efim Poberezkin <8711996+efim-poberezkin@users.noreply.github.com>
* inventory of error handling problems and types
* Change SMP protocol errors syntax
* connection errors in agent protocol (ERR CONN), STORE error -> AGENT error
* include exception in SEInternal error
* add MESSAGE errors, remove CRYPTO and SIZE errors
* agent protocol SYNTAX and AGENT errors
* BROKER errors
* group all client command (and agent response) errors
* BROKER TRANSPORT error
* simplify Client
* clean up
* transport errors
* simplify client
* parse / serialize agent errors
* differentiate crypto errors
* update errors.md
* make agent and SMP protocol errors consistent, simplify
* update doc
* test: parse / serialize protocol errors with QuickCheck
* add String to internal error
* exponential back-off when retrying to send HELLO
* refactor Client.hs
* replace fold with recursion in startTCPClient
* fail test if server did not start, refactor
* test: wait till TCP server stops
* test: refactor waiting for server to stop
* test: fail with error if server did not start/stop
