* Revert "Fix not downloading old blocks (#8642)"

This reverts commit d1934363.

* Make sure only one thread actually imports old blocks.

* Add some trace timers.

* Bring back pending hashes set.

* Separate locks so that queue can happen while we are importing.

* Address grumbles.

* Mark test helpers and test-only specs as cfg(test)

* Use test-probe to conditionally compile test helpers

* Remove test probe and directly use features tag

Niklas Adolfsson authored Jun 04, 2018 and Marek Kotewicz committed Jun 04, 2018

* Update `add_license` script

* run script

* add `remove duplicate lines script` and run it

* Revert changes `English spaces`

* strip whitespaces

* Revert `GPL` in files with `apache/mit license`

* don't append `gpl license` in files with other lic

* Don't append `gpl header` in files with other lic.

* re-ran script

* include c and cpp files too

* remove duplicate header

* rebase nit

* Add light client TODO item

* Move existing total-difficulty-based fork choice check to Engine

* Abstract total difficulty and block provider as Machine::BlockMetadata and Machine::BlockProvider

* Decouple "generate_metadata" logic to Engine

* Use fixed BlockMetadata and BlockProvider type for null and instantseal

In this way they can use total difficulty fork choice check

* Extend blockdetails with metadatas and finalized info

* Extra data update: mark_finalized and update_metadatas

* Check finalized block in Blockchain

* Fix a test constructor in verification mod

* Add total difficulty trait

* Fix type import

* Db migration to V13 with metadata column

* Address grumbles

* metadatas -> metadata

* Use generic type for update_metadata to avoid passing HashMap all around

* Remove metadata in blockdetails

* [WIP] Implement a generic metadata architecture

* [WIP] Metadata insertion logic in BlockChain

* typo: Value -> Self::Value

* [WIP] Temporarily remove Engine::is_new_best interface

So that we don't have too many type errors.

* [WIP] Fix more type errors

* [WIP] ExtendedHeader::PartialEq

* [WIP] Change metadata type Option<Vec<u8>> to Vec<u8>

* [WIP] Remove Metadata Error

* [WIP] Clean up error conversion

* [WIP] finalized -> is_finalized

* [WIP] Mark all fields in ExtrasInsert as pub

* [WIP] Remove unused import

* [WIP] Keep only local metadata info

* Mark metadata as optional

* [WIP] Revert metadata db change in BlockChain

* [WIP] Put finalization in unclosed state

* Use metadata interface in BlockDetail

* [WIP] Fix current build failures

* [WIP] Remove unused blockmetadata struct

* Remove DB migration info

* [WIP] Typo

* Use ExtendedHeader to implement fork choice check

* Implement is_new_best using Ancestry iterator

* Use expect instead of panic

* [WIP] Add ancestry Engine support via on_new_block

* Fix tests

* Emission of ancestry actions

* use_short_version should take account of metadata

* Engine::is_new_best -> Engine::fork_choice

* Use proper expect format as defined in #1026

* panic -> expect

* ancestry_header -> ancestry_with_metadata

* Boxed iterator -> &mut iterator

* Fix tests

* is_new_best -> primitive_fork_choice

* Document how fork_choice works

* Engine::fork_choice -> Engine::primitive_fork_choice

* comment: clarify types of finalization where Engine::primitive_fork_choice works

* Expose FinalizationInfo to Engine

* Fix tests due to merging

* Remove TotalDifficulty trait

* Do not pass FinalizationInfo to Engine

If there's finalized blocks in from route, choose the old branch without calling `Engine::fork_choice`.

* Fix compile

* Fix unused import

* Remove is_to_route_finalized

When no block reorg passes a finalized block, this variable is always false.

* Address format grumbles

* Fix docs: mark_finalized returns None if block hash is not found

`blockchain` mod does not yet have an Error type, so we still temporarily use None here.

* Fix inaccurate tree_route None expect description

* rlp::decode returns Result

* Fix journaldb to handle rlp::decode Result

* Fix ethcore to work with rlp::decode returning Result

* Light client handles rlp::decode returning Result

* Fix tests in rlp_derive

* Fix tests

* Cleanup

* cleanup

* Allow panic rather than breaking out of iterator

* Let decoding failures when reading from disk blow up

* syntax

* Fix the trivial grumbles

* Fix failing tests

* Make Account::from_rlp return Result

* Syntx, sigh

* Temp-fix for decoding failures

* Header::decode returns Result

Handle new return type throughout the code base.

* Do not continue reading from the DB when a value could not be read

* Fix tests

* Handle header decoding in light_sync

* Handling header decoding errors

* Let the DecodeError bubble up unchanged

* Remove redundant error conversion

* Alter IO queueing.

* Don't require IoMessages to be Clone

* Ancient blocks imported via IoChannel.

* Get rid of private transactions io message.

* Get rid of deadlock and fix disconnected handler.

* Revert to old disconnect condition.

* Fix tests.

* Fix deadlock.

* Keep all enacted blocks notify in order

* Collect is unnecessary

* Update ChainNotify to use ChainRouteType

* Fix all ethcore fn defs

* Wrap the type within ChainRoute

* Fix private-tx and sync api

* Fix secret_store API

* Fix updater API

* Fix rpc api

* Fix informant api

* Eagerly cache enacted/retracted and remove contain_enacted/retracted

* Fix indent

* tests: should use full expr form for struct constructor

* Use into_enacted_retracted to further avoid copy

* typo: not a function

* rpc/tests: ChainRoute -> ChainRoute::new

Andrew Jones authored May 03, 2018 and Marek Kotewicz committed May 03, 2018

* Don't panic in import_block if invalid rlp

* Remove redundant type annotation

* Replace RLP header view usage with safe decoding

Using the view will panic with invalid RLP. Here we use Rlp decoding directly which will return a `Result<_, DecoderError>`. While this path currently should not have any invalid RLP - it makes it safer if ever called with invalid RLP from other code paths.

Wei Tang authored May 02, 2018 and Marek Kotewicz committed May 02, 2018

* Fetch logs by hash in blockchain database

* Fix tests

* Add unit test for branch block logs fetching

* Add docs that blocks must already be sorted

* Handle branch block cases properly

* typo: empty -> is_empty

* Remove return_empty_if_none by using a closure

* Use BTreeSet to avoid sorting again

* Move is_canon to BlockChain

* typo: pass value by reference

* Use loop and wrap inside blocks to simplify the code

Borrowed from https://github.com/paritytech/parity/pull/8463#discussion_r183453326

* typo: missed a comment

* Directly return None if tracing is disabled

* Address gumbles: release read locks as fast as possible

* duration_ns: u64 -> duration: Duration

* format on millis {:.2} -> {}

* Return error if RLP size of transaction exceeds the limit

* Review comments fixed

* RLP check moved to verifier, corresponding pool test added

* WIP

* Convert Ethcore error to use error_chain

* Use error_chain for ImportError and BlockImportError

* Fix error pattern matches for error_chain in miner

* Implement explicit From for AccountsError

* Fix pattern matches for ErrorKinds

* Handle ethcore error_chain in light client

* Explicitly define Result type to avoid shadowing

* Fix remaining Error pattern matches

* Fix tab space formatting

* Helps if the tests compile

* Fix error chain matching after merge

* WIP

* Replace Rlp with UntrustedRlp in views, explicity unwrap with expect

First pass to get it to compile. Need to figure out whether to do this or to propogate Errors upstream, which would require many more changes to dependent code. If we do this way we are assuming that the views are always used in a context where the rlp is trusted to be valid e.g. when reading from our own DB. So need to fid out whether views are used with data received from an untrusted (e.g. extrernal peer).

* Remove original Rlp impl, rename UntrustedRlp -> Rlp

* Create rlp views with view! macro to record debug info

Views are assumed to be over valid rlp, so if there is a decoding error we record where the view was created in the first place and report it in the expect

* Use $crate in view! macro to avoid import, fix tests

* Expect valid rlp in decode functions for now

* Replace spaces with tabs in new file

* Add doc tests for ...

Tomasz Drwięga authored Apr 13, 2018 and Marek Kotewicz committed Apr 13, 2018

* Implementation of Verifier, Scoring and Ready.

* Queue in progress.

* TransactionPool.

* Prepare for txpool release.

* Miner refactor [WiP]

* WiP reworking miner.

* Make it compile.

* Add some docs.

* Split blockchain access to a separate file.

* Work on miner API.

* Fix ethcore tests.

* Refactor miner interface for sealing/work packages.

* Implement next nonce.

* RPC compiles.

* Implement couple of missing methdods for RPC.

* Add transaction queue listeners.

* Compiles!

* Clean-up and parallelize.

* Get rid of RefCell in header.

* Revert "Get rid of RefCell in header."

This reverts commit 0f2424c9b7319a786e1565ea2a8a6d801a21b4fb.

* Override Sync requirement.

* Fix status display.

* Unify logging.

* Extract some cheap checks.

* Measurements and optimizations.

* Fix scoring bug, heap size of bug and add cache

* Disable tx queueing and parallel verification.

* Make ethcore and ethcore-miner compile again.

* Make RPC compile again.

* Bunch of txpool tests.

* Migrate transaction queue tests.

* Nonce Cap

* Nonce cap cache and tests.

* Remove stale future transactions from the queue.

* Optimize scoring and write some tests.

* Simple penalization.

* Clean up and support for different scoring algorithms.

* Add CLI parameters for the new queue.

* Remove banning queue.

* Disable debug build.

* Change per_sender limit to be 1% instead of 5%

* Avoid cloning when propagating transactions.

* Remove old todo.

* Post-review fixes.

* Fix miner options default.

* Implement back ready transactions for light client.

* Get rid of from_pending_block

* Pass rejection reason.

* Add more details to drop.

* Rollback heap size of.

* Avoid cloning hashes when propagating and include more details on rejection.

* Fix tests.

* Introduce nonces cache.

* Remove uneccessary hashes allocation.

* Lower the mem limit.

* Re-enable parallel verification.

* Add miner log. Don't check the type if not below min_gas_price.

* Add more traces, fix disabling miner.

* Fix creating pending blocks twice on AuRa authorities.

* Fix tests.

* re-use pending blocks in AuRa

* Use reseal_min_period to prevent too frequent update_sealing.

* Fix log to contain hash not sender.

* Optimize local transactions.

* Fix aura tests.

* Update locks comments.

* Get rid of unsafe Sync impl.

* Review fixes.

* Remove excessive matches.

* Fix compilation errors.

* Use new pool in private transactions.

* Fix private-tx test.

* Fix secret store tests.

* Actually use gas_floor_target

* Fix config tests.

* Fix pool tests.

* Address grumbles.

Anton Gavrilov authored Apr 09, 2018 and Marek Kotewicz committed Apr 09, 2018

* Private transaction message added

* Empty line removed

* Private transactions logic removed from client into the separate module

* Fixed compilation after merge with head

* Signed private transaction message added as well

* Comments after the review fixed

* Private tx execution

* Test update

* Renamed some methods

* Fixed some tests

* Reverted submodules

* Fixed build

* Private transaction message added

* Empty line removed

* Private transactions logic removed from client into the separate module

* Fixed compilation after merge with head

* Signed private transaction message added as well

* Comments after the review fixed

* Encrypted private transaction message and signed reply added

* Private tx execution

* Test update

* Main scenario completed

* Merged with the latest head

* Private transactions API

* Comments after review fixed

* Parameters for private transactions added to parity arguments

* New files added

* New API methods added

* Do not process packets from unconfirmed peers

* Merge with ptm_ss branch

* Encryption and permissioning with key server added

* Fixed compilation after merge

* Version of Parity protocol incremented in order to support private transactions

* Doc strings for constants added

* Proper format for doc string added

* fixed some encryptor.rs grumbles

* Private transactions functionality moved to the separate crate

* Refactoring in order to remove late initialisation

* Tests fixed after moving to the separate crate

* Fetch method removed

* Sync test helpers refactored

* Interaction with encryptor refactored

* Contract address retrieving via substate removed

* Sensible gas limit for private transactions implemented

* New private contract with nonces added

* Parsing of the response from key server fixed

* Build fixed after the merge, native contracts removed

* Crate renamed

* Tests moved to the separate directory

* Handling of errors reworked in order to use error chain

* Encodable macro added, new constructor replaced with default

* Native ethabi usage removed

* Couple conversions optimized

* Interactions with client reworked

* Errors omitting removed

* Fix after merge

* Fix after the merge

* private transactions improvements in progress

* private_transactions -> ethcore/private-tx

* making private transactions more idiomatic

* private-tx encryptor uses shared FetchClient and is more idiomatic

* removed redundant tests, moved integration tests to tests/ dir

* fixed failing service test

* reenable add_notify on private tx provider

* removed private_tx tests from sync module

* removed commented out code

* Use plain password instead of unlocking account manager

* remove dead code

* Link to the contract changed

* Transaction signature chain replay protection module created

* Redundant type conversion removed

* Contract address returned by private provider

* Test fixed

* Addressing grumbles in PrivateTransactions (#8249)

* Tiny fixes part 1.

* A bunch of additional comments and todos.

* Fix ethsync tests.

* resolved merge conflicts

* final private tx pr (#8318)

* added cli option that enables private transactions

* fixed failing test

* fixed failing test

* fixed failing test

* fixed failing test

* Move client DB opening logic to CLI

* Move restoration db open logic to CLI

This adds KeyValueDBHandler which handles opening a new database, thus allow us to move the restoration db open logic
out of ethcore.

* Move rocksdb's compactionprofile conversion to CLI

* Move kvdb_rocksdb as test dependency for ethcore

* Fix tests due to interface change

* Fix service tests

* Remove unused migration dep for ethcore

* Cleaner shutdown system when executing

* Simplify set_exit_handler for Client

* Minor change

* Fix submodule

* updater: refactor updater flow into state machine

* updater: delay update randomly within max range

* updater: configurable update delay

* updater: split polling and updater state machine step

* updater: drop state to avoid deadlocking

* updater: fix fetch backoff

* updater: fix overflow in update delay calculation

* updater: configurable update check frequency

* updater: fix update policy frequency comparison

* updater: use lazy_static for platform and platform_id_hash

* updater: refactor operations contract calls into OperationsClient

* updater: make updater generic over operations and fetch client

* updater: fix compilation

* updater: add testing infrastructure and minimal test

* updater: fix minor grumbles

* updater: add test for successful updater flow

* updater: add test for update delay

* updater: add test for update check frequency

* updater: mock time and rng for deterministic tests

* updater: test backoff on failure

* updater: add test for backoff short-circuit on new release

* updater: refactor to increase readability

* updater: cap maximum backoff to one month

* updater: add test for detecting already downloaded update

* updater: add test for updater disable on fatal errors

* updater: add test for pending outdated fetch

* updater: test auto install of updates

* updater: add test for capability updates

* updater: fix capability update

* updater: use ethabi to create event topic filter

* updater: decrease maximum backoff to 1 day

* updater: cap maximum update delay with upcoming fork block number

* updater: receive state mutex guard in updater_step

* updater: overload execute_upgrade to take state mutex guard

* updater: remove unnecessary clone of latest operations info

* updater: remove latest operations info clone when triggering fetch

Tomasz Drwięga authored Apr 03, 2018 and Marek Kotewicz committed Apr 03, 2018

* Cache RLP and header hashes.

* Refactor header - WiP

* Avoid decoding laster header.

* Pre-compute hashes for Sealed/Locked block.

* Use accrue bloom. Closes ##8241

* Replace Rlp with UntrustedRlp and unsafely unwrap

All Rlp methods return Result<_,DecoderError> now, so for this first
pass each will be marked with `expect("TODO")`. In the next pass we can
categorise figure out how to handle each case.

* Handle DecoderError for tendermint message

* Unwrap rlp results in TestBlockcChainClient

Rlp should be valid since created manually in tests

* Replace `use rlp::*` with explicit imports

* Remove rlp decode unwraps from light cli request

* Structured rlp encoding for curr best and latest in header chain

* Propogate decoder errors from send_packet

* Fix body uncles rlp index

* Use BodyView in sync and `expect` rlp errors

* Revert bbf28f removing original Rlp for this phase

This can be done again in the next phase, in order that we can leave the ethcore views unchanged

* Restore legacy Rlp and UntrustedRlp

Use legacy Rlp for ethcore views. Will redo replacing Rlp with UntrustedRlp in  a subsequent PR

* Fix tests

* Replace boilerplate Encodable/Decodable with derive

* Use BlockView instead of Rlp, remove unwrap

* Remove rlp test_cli unwraps by using BlockView instead of Rlp directly

* Remove unneccesary change to use borrowed hash

* Construct sync block using new_from_header_and_body

Tomasz Drwięga authored Mar 13, 2018 and Marek Kotewicz committed Mar 13, 2018

* Small changes to allow better re-use of EvmTestClient

* Expose logs.

* add outcome to TransactResult

* Fix submodule.

* Fix json tests.

* Fix evmbin.

* ethcore test::helpers cleanup

* ethcore-service

* Revert "fix traces, removed bloomchain crate, closes #7228, closes #7167"

This reverts commit 1bf62038678295e5586f02a38a0c5aab9a9efe62.

* Revert "fixed broken logs (#7934)"

This reverts commit f8a2e53f.

* fixed broken logs

* bring back old lock order

* remove migration v13

* revert CURRENT_VERSION to 12 in migration.rs

Dmitry Kashitsyn authored Mar 03, 2018 and Marek Kotewicz committed Mar 03, 2018

* Improves `BestBlock` comment

* Improves `TraceDB` comment

* Improves `journaldb::Algorithm` comment.

Probably the whole enum should be renamed to `Strategy` or something alike.

* Comments some of the `Client`'s fields

* Deglobs client imports

* Fixes comments

* Extracts `import_lock` to `Importer` struct

* Extracts `verifier` to `Importer` struct

* Extracts `block_queue` to `Importer` struct

* Extracts `miner` to `Importer` struct

* Extracts `ancient_verifier` to `Importer` struct

* Extracts `rng` to `Importer` struct

* Extracts `import_old_block` to `Importer` struct

* Adds `Nonce` trait

* Adds `Balance` trait

* Adds `ChainInfo` trait

* Fixes imports for tests using `chain_info` method

* Adds `BlockInfo` trait

* Adds more `ChainInfo` imports

* Adds `BlockInfo` imports

* Adds `ReopenBlock` trait

* Adds `PrepareOpenBlock` trait

* Fixes import in tests

* Adds `CallContract` trait

* Fixes imports in tests using `call_contract` method

* Adds `TransactionInfo` trait

* Adds `RegistryInfo` trait

* Fixes imports in tests using `registry_address` method

* Adds `ScheduleInfo` trait

* Adds `ImportSealedBlock` trait

* Fixes imports in test using `import_sealed_block` method

* Adds `BroadcastProposalBlock` trait

* Migrates `Miner` to static dispatch

* Fixes tests

* Moves `calculate_enacted_retracted` to `Importer`

* Moves import-related methods to `Importer`

* Removes redundant `import_old_block` wrapper

* Extracts `import_block*` into separate trait

* Fixes tests

* Handles `Pending` in `LightFetch`

* Handles `Pending` in filters

* Handles `Pending` in `ParityClient`

* Handles `Pending` in `EthClient`

* Removes `BlockId::Pending`, partly refactors dependent code

* Adds `StateInfo` trait

* Exports `StateOrBlock` and `BlockChain` types from `client` module

* Refactors `balance` RPC using generic API

* Refactors `storage_at` RPC using generic API

* Makes `MinerService::pending_state`'s return type dynamic

* Adds `StateOrBlock` and `BlockChain` types

* Adds impl of `client::BlockChain` for `Client`

* Exports `StateInfo` trait from `client` module

* Missing `self` use

To be fixed up to "Adds impl of `client::BlockChain` for `Client`"

* Adds `number_to_id` and refactors dependent RPC methods

* Refactors `code_at` using generic API

* Adds `StateClient` trait

* Refactors RPC to use `StateClient` trait

* Reverts `client::BlockChain` trait stuff, refactors methods to accept `StateOrBlock`

* Refactors TestClient

* Adds helper function `block_number_to_id`

* Uses `block_number_to_id` instead of local function

* Handles `Pending` in `list_accounts` and `list_storage_keys`

* Attempt to use associated types for state instead of trait objects

* Simplifies `state_at_beginning`

* Extracts `call` and `call_many` into separate trait

* Refactors `build_last_hashes` to accept reference

* Exports `Call` type from the module

* Refactors `call` and `call_many` to accept state and header

* Exports `state_at` in `StateClient`

* Exports `pending_block_header` from `MinerService`

* Refactors RPC `call` method using new API

* Adds missing parentheses

* Refactors `parity::call` to use new call API

* Update .gitlab-ci.yml

fix gitlab lint

* Fixes error handling

* Refactors `traces::call` and `call_many` to use new call API

* Refactors `call_contract`

* Refactors `block_header`

* Refactors internal RPC method `block`

* Moves `estimate_gas` to `Call` trait, refactors parameters

* Refactors `estimate_gas` in RPC

* Refactors `uncle`

* Refactors RPC `transaction`

* Covers missing branches

* Makes it all compile, fixes compiler grumbles

* Adds casts in `blockchain` module

* Fixes `PendingBlock` tests, work on `MinerService`

* Adds test stubs for StateClient and EngineInfo

* Makes `state_db` public

* Adds missing impls for `TestBlockChainClient`

* Adds trait documentation

* Adds missing docs to the `state_db` module

* Fixes trivial compilation errors

* Moves `code_hash` method to a `BlockInfo` trait

* Refactors `Verifier` to be generic over client

* Refactors `TransactionFilter` to be generic over client

* Refactors `Miner` and `Client` to reflect changes in verifier and txfilter API

* Moves `ServiceTransactionChecker` back to `ethcore`

* Fixes trait bounds in `Miner` API

* Fixes `Client`

* Fixes lifetime bound in `FullFamilyParams`

* Adds comments to `FullFamilyParams`

* Fixes imports in `ethcore`

* Fixes BlockNumber handling in `code_at` and `replay_block_transactions`

* fix compile issues

* First step to redundant trait merge

* Fixes compilation error in RPC tests

* Adds mock `State` as a stub for `TestClient`

* Handles `StateOrBlock::State` in `TestBlockChainClient::balance`

* Fixes `transaction_count` RPC

* Fixes `transaction_count`

* Moves `service_transaction.json` to the `contracts` subfolder

* Fixes compilation errors in tests

* Refactors client to use `AccountData`

* Refactors client to use `BlockChain`

* Refactors miner to use aggregate traits

* Adds `SealedBlockImporter` trait

* Refactors miner to use `SealedBlockImporter` trait

* Removes unused imports

* Simplifies `RegistryInfo::registry_address`

* Fixes indentation

* Removes commented out trait bound

* Extract the hard dependency on rocksdb from the light client

* Remove TODO

* ExecutedBlock cleanup

* authority round makes only one call to note_rewards

* move Tracing from block to trace module

* removed BlockRef

* fixed broken logs

* bring back old lock order

* removed bloom groups from blockchain

* revert unrelated changes

* simplify blockchain_block_blooms

* kovan fork code

* introduce ethcore level vm_factory and let it fail

* fix json tests

* wasmcosts as option

* review changes

* wasm costs in parser

* fix evm tests

* review fixes

* fix test

* remove redundant json field