* processes SubscribeResults messages
* send tx ids of results to the subscribe channel
* replaces BoxError with Report in scan_range
* adds a watch channel for using subscribed_keys in scan_range
* updates args to process_messages in test
* adds a `subscribe` method to ScanTask for sending a SubscribeResults cmd
* updates test for process_messages to cover subscribe cmds
* impls SubscribeResult service request and updates sender type
* adds test for SubscribeResults scan service request
* adds acceptance test
* updates tests and imports
* fixes acceptance test by using spawn_blocking to avoid blocking async executor and setting an appropriate start height
* fixes test
* Applies suggestions from code review.
* use tokio mpsc channel in scan task instead of std/blocking mpsc
* use tokio mpsc channel for results sender
* adds `was_parsed_keys_empty` instead of checking that all the parsed keys are new keys
* fixes test failures related to send errors in scan task
* returns height and key for scan results from subcribe_results results receiver
* hide scan_service mod in zebra-node-service behind feature
* adds clear_results RPC method for zebra-scan
* adds delete_keys rpc method
* adds docs
* Update zebra-grpc/proto/scanner.proto
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* Apply suggestions from code review
* start zebra-scan gRPC server from zebrad start command
* adds a test that the scanner starts with zebrad
* adds a `listen_addr` field to the shielded scan config
* updates test to use a random port and set the listen_addr config field
* fixes test
* Update zebra-scan/src/config.rs
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* fixes panic when trying to open multiple mutable storage instances.
* open db in blocking task
* fixes test
---------
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* moves ScanTask to its own module in service module
* moves `process_messages()` method to scan_task.rs
* uses get_mut() and returns new keys
* updates types and adds scan_until() function
* adds and uses wait_for_height() function
* spawns scan_until_task_handler to poll scan_until_tasks FuturesUnordered
* corrects comment
* adds TODO
* updates expected test log, corrects panic msg, fixes fmt
* moves scan functions to scan_task module
* moves ScanTaskCommand and related method impls to its own module
* moves `ScanTask::mock()` test constructor to its own module
* creates `add_keys` mod and moves `scan_until()` function there
* moves scan task executor to its own module and adds ScanRangeTaskBuilder type
* renames add_keys to scan_range, moves executor to scan_task mod
* adds test for process_messages
* updates scan_height_and_store_results() to skip last_scanned_height check if there is no key height for a key in `parsed_keys`
* updates `default_test_config()`
* adds acceptance test for registering keys in ScanTask
* uses the right feature for the new acceptance test
* Applies suggestions from code review
* handle RemoveKeys command in ScanTask
* implements DeleteKeys request
* uses spawn_blocking and updates comments
* removes spawn_init fn
* adds test for new Storage method
* adds fake_sapling_results helper function
* adds test for scan service DeleteKeys request
* adds TODO for unwrap_or_clone
* checks the keys sent to the scan task for removal
* moves message processing to its own function
* adds a timeout for the scanner task response
* hide mock() methods behind cfg(test) or feature
* adds MAX_REQUEST_KEYS constant
* updates test to insert and delete results for a second key
* Update zebra-scan/src/init.rs
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* test that the expected number of results are in the db
* fix unused import lint
* fixes unused imports
---------
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* add `zebra-grpc` crate
* add missing fields
* convert to a lib
* add zebra-scan and tonic as depenency
* add a getinfo grpc
* remove zebra-scanner dependency
* Adds scan_service field to scanner grpc server
* remove dependency
* test launching the grpc server from the zebra-scan crate (not building)
* fix async issue
* fixes build issues
* add binary for manual testing
* try fix try run
---------
Co-authored-by: Arya <aryasolhi@gmail.com>
* Fix availability of tokio::time in scanner
* Create a function that parses a key into a list of keys
* Pass a ChainTipChange to the scanner function
* Convert a scanned block to a sapling result
* Make it easier to pass keys and blocks
* Increase scanner wait times
* Parse keys once at the start of the scan
* Get a block from the state instead of the tip
* Don't log secret keys, only log every 100,000 blocks
* Scan each block and add the results to storage
* Move blocking tasks into spawn_blocking()
* Update the acceptance test
* Use a dummy sapling tree size
* Use a larger dummy size
* Expose IntoDisk and FromDisk in zebra-state
* Implement database serialization for SaplingScanningKey Strings
* Implement serialization for Vec<SaplingScannedResult> (Vec<transaction::Hash>)
* Implement seralization for SaplingScannedDatabaseIndex
* Add an is_empty() method
* Add a read method for a specific index, and document it
* Implement writing scanner results to the database
* Make read name more explicit
* Implement writing scanner keys
* Implement reading sapling keys
* Spawn blocking tasks correctly in async code
* Change storage results methods to use the database
* Update tests that use storage
* Use spawn_blocking() for database methods
* Change the check interval to slightly less than the block interval
* Expose raw database methods with shielded-scan
* fix `scan_task_starts` test
* minor doc change in test
---------
Co-authored-by: Alfredo Garcia <oxarbitrage@gmail.com>
* Create an empty storage/db module
* Use ephemeral storage in tests
* Populate storage inside new() method
* Move scanner setup into an init() method
* Pass the network to scanner init
* Create a database but don't actually use it
* Skip shutdown format checks when skipping format upgrades
* Allow the scanner to skip launching format upgrades in production
* Refactor skipping format upgrades so it is consistent
* Allow checking configs for equality
* Restore Network import