* Security: Limit the number of non-finalized chains tracked by Zebra
* Use NonFinalizedState::chain_iter() to access private field
* Reverse the order of chain_iter()
* Adds 'Contains' request in state, and:
- adds finalized block hashes to sent_blocks
- replaces Depth call with Contains in sync, inbound, and block verifier
* removes unnecessary From impl
* Apply suggestions from code review
Co-authored-by: teor <teor@riseup.net>
* updates references to Request::Contains
* Renames zs::response::BlockLocation to KnownBlocks
* Updates AlreadyInChain error
* update docs for sent_hashes.add_finalized
* Update zebra-consensus/src/block.rs
Co-authored-by: teor <teor@riseup.net>
* Update comment for `sent_blocks` field in state service
* update KnownBlock request to check the non-finalized state before responding that a block is in the queue
* Apply suggestions from code review
Co-authored-by: teor <teor@riseup.net>
* update references to renamed method
* Clear sent_blocks when there's a reset
* Move self.finalized_block_write_sender.is_none() to can_fork_chain_at
* revert changes related to checking queue
---------
Co-authored-by: teor <teor@riseup.net>
* Clarify function docs, rename variables, and fix log typos
* Add a ReadState best chain clone method, but don't use it yet
* Use the new calculate_median_time_past() function in existing code
* Skip a state request if the lock time is a height
* Remove dummy arguments and extra blocks from median-time-past calculation
* Update tests to remove requests that are no longer sent
* Simplify getting the best chain
Co-authored-by: Arya <aryasolhi@gmail.com>
* Clarify some function docs
Co-authored-by: Arya <aryasolhi@gmail.com>
* assigns `next_median_time_past` value from if statement
---------
Co-authored-by: Arya <aryasolhi@gmail.com>
* Implement the BestChainNextMedianTimePast state request
* Verify the lock times of mempool transactions
* Document that the mempool already handles lock time rejections correctly
* Fix existing tests
* Add new mempool lock time success and failure tests
* Add a new block commit task and channels, that don't do anything yet
* Add last_block_hash_sent to the state service, to avoid database accesses
* Update last_block_hash_sent regardless of commit errors
* Rename a field to StateService.max_queued_finalized_height
* Commit finalized blocks to the state in a separate task
* Check for panics in the block write task
* Wait for the block commit task in tests, and check for errors
* Always run a proptest that sleeps once
* Add extra debugging to state shutdowns
* Work around a RocksDB shutdown bug
* Close the finalized block channel when we're finished with it
* Only reset state queue once per error
* Update some TODOs
* Add a module doc comment
* Drop channels and check for closed channels in the block commit task
* Close state channels and tasks on drop
* Remove some duplicate fields across StateService and ReadStateService
* Try tweaking the shutdown steps
* Update and clarify some comments
* Clarify another comment
* Don't try to cancel RocksDB background work on drop
* Fix up some comments
* Remove some duplicate code
* Remove redundant workarounds for shutdown issues
* Remode a redundant channel close in the block commit task
* Remove a mistaken `!force` shutdown condition
* Remove duplicate force-shutdown code and explain it better
* Improve RPC error logging
* Wait for chain tip updates in the RPC tests
* Wait 2 seconds for chain tip updates before skipping them
* Remove an unnecessary block_in_place()
* Fix some test error messages that were changed by earlier fixes
* Expand some comments, fix typos
Co-authored-by: Marek <mail@marek.onl>
* Actually drop children of failed blocks
* Explain why we drop descendants of failed blocks
* Clarify a comment
* Wait for chain tip updates in a failing test on macOS
* Clean duplicate finalized blocks when the non-finalized state activates
* Send an error when receiving a duplicate finalized block
* Update checkpoint block behaviour, document its consensus rule
* Wait for chain tip changes in inbound_block_height_lookahead_limit test
* Wait for the genesis block to commit in the fake peer set mempool tests
* Disable unreliable mempool verification check in the send transaction test
* Appease rustfmt
* Use clear_finalized_block_queue() everywhere that blocks are dropped
* Document how Finalized and NonFinalized clones are different
* sends non-finalized blocks to the block write task
* passes ZebraDb to commit_new_chain, commit_block, and no_duplicates_in_finalized_chain instead of FinalizedState
* Update zebra-state/src/service/write.rs
Co-authored-by: teor <teor@riseup.net>
* updates comments, renames send_process_queued, other minor cleanup
* update assert_block_can_be_validated comment
* removes `mem` field from StateService
* removes `disk` field from StateService and updates block_iter to use `ZebraDb` instead of the finalized state
* updates tests that use the disk to use read_service.db instead
* moves best_tip to a read fn and returns finalized & non-finalized states from setup instead of the state service
* changes `contextual_validity` to get the network from the finalized_state instead of another param
* swaps out StateService with FinalizedState and NonFinalizedState in tests
* adds NotReadyToBeCommitted error and returns it from validate_and_commit when a blocks parent hash is not in any chain
* removes NonFinalizedWriteCmd and calls, moves update_latest_channels above rsp_tx.send
* makes parent_errors_map an indexmap
* clears non-finalized block queue when the receiver is dropped and when the StateService is being dropped
* sends non-finalized blocks to the block write task
* passes ZebraDb to commit_new_chain, commit_block, and no_duplicates_in_finalized_chain instead of FinalizedState
* updates comments, renames send_process_queued, other minor cleanup
* Update zebra-state/src/service/write.rs
Co-authored-by: teor <teor@riseup.net>
* update assert_block_can_be_validated comment
* removes `mem` field from StateService
* removes `disk` field from StateService and updates block_iter to use `ZebraDb` instead of the finalized state
* updates tests that use the disk to use read_service.db instead
* moves best_tip to a read fn and returns finalized & non-finalized states from setup instead of the state service
* changes `contextual_validity` to get the network from the finalized_state instead of another param
* swaps out StateService with FinalizedState and NonFinalizedState in tests
* adds NotReadyToBeCommitted error and returns it from validate_and_commit when a blocks parent hash is not in any chain
* removes NonFinalizedWriteCmd and calls, moves update_latest_channels above rsp_tx.send
* makes parent_errors_map an indexmap
* clears non-finalized block queue when the receiver is dropped and when the StateService is being dropped
* removes duplicate field definitions on StateService that were a result of a bad merge
* update NotReadyToBeCommitted error message
* Appear rustfmt
* Fix doc links
* Rename a function to initial_contextual_validity()
* Do error tasks on Err, and success tasks on Ok
* Simplify parent_error_map truncation
* Rewrite best_tip() to use tip()
* Rename latest_mem() to latest_non_finalized_state()
```sh
fastmod latest_mem latest_non_finalized_state zebra*
cargo fmt --all
```
* Simplify latest_non_finalized_state() using a new WatchReceiver API
* Expand some error messages
* Send the result after updating the channels, and document why
* wait for chain_tip_update before cancelling download in mempool_cancel_mined
* adds `sent_non_finalized_block_hashes` field to StateService
* adds batched sent_hash insertions and checks sent hashes in queue_and_commit_non_finalized before adding a block to the queue
* check that the `curr_buf` in SentHashes is not empty before pushing it to the `sent_bufs`
* Apply suggestions from code review
Co-authored-by: teor <teor@riseup.net>
* Fix rustfmt
* Check for finalized block heights using zs_contains()
* adds known_utxos field to SentHashes
* updates comment on SentHashes.add method
* Apply suggestions from code review
Co-authored-by: teor <teor@riseup.net>
* return early when there's a duplicate hash in QueuedBlocks.queue instead of panicking
* Make finalized UTXOs near the final checkpoint available for full block verification
* Replace a checkpoint height literal with the actual config
* Update mainnet and testnet checkpoints - 7 October 2022
* Fix some state service init arguments
* Allow more lookahead in the downloader, but less lookahead in the syncer
* Add the latest config to the tests, and fix the latest config check
* Increase the number of finalized blocks checked for non-finalized block UTXO spends
* fix(log): reduce verbose logs for block commits (#5348)
* Remove some verbose block write channel logs
* Only warn about tracing endpoint if the address is actually set
* Use CloneError instead of formatting a non-cloneable error
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* Increase block verify timeout
* Work around a known block timeout bug by using a shorter timeout
Co-authored-by: teor <teor@riseup.net>
Co-authored-by: Marek <mail@marek.onl>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
* Add a new block commit task and channels, that don't do anything yet
* Add last_block_hash_sent to the state service, to avoid database accesses
* Update last_block_hash_sent regardless of commit errors
* Rename a field to StateService.max_queued_finalized_height
* Commit finalized blocks to the state in a separate task
* Check for panics in the block write task
* Wait for the block commit task in tests, and check for errors
* Always run a proptest that sleeps once
* Add extra debugging to state shutdowns
* Work around a RocksDB shutdown bug
* Close the finalized block channel when we're finished with it
* Only reset state queue once per error
* Update some TODOs
* Add a module doc comment
* Drop channels and check for closed channels in the block commit task
* Close state channels and tasks on drop
* Remove some duplicate fields across StateService and ReadStateService
* Try tweaking the shutdown steps
* Update and clarify some comments
* Clarify another comment
* Don't try to cancel RocksDB background work on drop
* Fix up some comments
* Remove some duplicate code
* Remove redundant workarounds for shutdown issues
* Remode a redundant channel close in the block commit task
* Remove a mistaken `!force` shutdown condition
* Remove duplicate force-shutdown code and explain it better
* Improve RPC error logging
* Wait for chain tip updates in the RPC tests
* Wait 2 seconds for chain tip updates before skipping them
* Remove an unnecessary block_in_place()
* Fix some test error messages that were changed by earlier fixes
* Expand some comments, fix typos
Co-authored-by: Marek <mail@marek.onl>
* Actually drop children of failed blocks
* Explain why we drop descendants of failed blocks
* Clarify a comment
* Wait for chain tip updates in a failing test on macOS
* Clean duplicate finalized blocks when the non-finalized state activates
* Send an error when receiving a duplicate finalized block
* Update checkpoint block behaviour, document its consensus rule
* Wait for chain tip changes in inbound_block_height_lookahead_limit test
* Wait for the genesis block to commit in the fake peer set mempool tests
* Disable unreliable mempool verification check in the send transaction test
* Appease rustfmt
* Use clear_finalized_block_queue() everywhere that blocks are dropped
* Document how Finalized and NonFinalized clones are different
* Use the same check as commit_finalized() for finalized block heights
Co-authored-by: Marek <mail@marek.onl>
Co-authored-by: Marek <mail@marek.onl>
* Move AwaitUtxos next to the other shared writeable state requests
* Rename ReadResponse::Utxos to ReadResponse::AddressUtxos
```sh
fastmod Utxos AddressUtxos zebra*
```
* Rename an out_point variable to outpoint for consistency
* Rename transparent_utxos to address_utxos
```sh
fastmod transparent_utxos address_utxos zebra*
```
* Run AwaitUtxo without accessing shared mutable chain state
* Fix some incorrect comments
* Explain why some concurrent reads are ok
* Add a TODO
* Stop using self.mem in AwaitUtxo requests
* Update state service module documentation
* Move the QueuedBlock type into the queued_blocks module
* Explain how spent UTXOs are treated by the state
* Clarify how cached Chains impact state read requests
And move repeated comments to the module header.
* fastmod ChainUtxo BestChainUtxo zebra*
* Add an AnyChainUtxo request
* Make AwaitUtxo non-blocking
* Add TODOs for finalized blocks, non-finalized blocks, and reads
* Document how state requests use shared state
* Add a ReadStateService to the StateService
And cleanup service struct fields.
* Redirect Block and Transaction Requests to the ReadStateService
* Put AddressBalance in a consistent enum order
* Turn a repeated comment into documentation
* Tidy doc links
* Run Tip requests concurrently
* Remove some redundant timers
* Run Depth requests concurrently
* Run BlockLocator requests concurrently
* Move BlockLocator tests
* Run FindBlockHashes requests concurrently
* Run FindBlockHeaders requests concurrently
* Use a constant in documentation
Co-authored-by: Marek <mail@marek.onl>
* Link that constant correctly
* Expand block_locator() documentation
* Clarify the difference between tower::Buffers and the state's ordered queues
* Explain block locators better
Co-authored-by: Marek <mail@marek.onl>
teor
Arya