Commit Graph

50 Commits

Author SHA1 Message Date
Tomasz Drwięga
d5c19f8719 Deprecate account management (#10213)
* Extract accounts from ethcore.

* Fix ethcore.

* Get rid of AccountProvider in test_helpers

* Fix rest of the code.

* Re-use EngineSigner, fix tests.

* Simplify EngineSigner to always have an Address.

* Fix RPC tests.

* Add deprecation notice to RPCs.

* Feature to disable accounts.

* extract accounts in RPC

* Run with accounts in tests.

* Fix RPC compilation and tests.

* Fix compilation of the binary.

* Fix compilation of the binary.

* Fix compilation with accounts enabled.

* Fix tests.

* Update submodule.

* Remove android.

* Use derive for Default

* Don't build secretstore by default.

* Add link to issue.

* Refresh Cargo.lock.

* Fix miner tests.

* Update rpc/Cargo.toml

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Fix private tests.
2019-02-07 14:34:24 +01:00
Anton Gavrilov
45d7c60608 Call private contract methods from another private contract (read-only) (#10086)
* Patch available private contracts during private transaction

* Key acl ABI added

* Work with secret store keys moved to the separate struct

* Private tx test refactored

* Revert "Private tx test refactored"

This reverts commit 476c132d692c7a886bc7b7cd7fe47b3d7692bd63.

* Test for calling private contract from another one added

* Test fixed

* Redundant tab removed

* ACL contract processing fixed, test added

* Merge with head

* Expect replaced with closure
2019-02-07 12:39:04 +01:00
Afri Schoedon
7c335e8764
misc: bump license header to 2019 (#10135)
* misc: bump license header to 2019

* misc: remove_duplicate_empty_lines.sh

* misc: run license header script

* commit cargo lock
2019-01-07 11:33:07 +01:00
Tomasz Drwięga
3650f2d51c Extract blockchain from ethcore (#10114)
* Split blockchain & db from ethcore.

* Clean up blockchain deps.

* Missing docs.

* Fix blockchain tests.

* Make other crates compile.

* Remove some re-exports.

* Remove types re-export from ethcore.

* Remove EVM dependency from transaction.

* Merge ethcore-transaction with common-types.

* Clean-up ethcore deps a bit.

* remove ethcore from cargo.toml

* Update ethcore/blockchain/src/lib.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Address review comments.

* Update DB comment.

* Add tracking issue to the TODO and fix typo.

* Common naming for common types.

* Update ethcore/db/src/keys.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Update ethcore/blockchain/src/generator.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Try to fix beta tests.
2019-01-04 14:05:46 +01:00
Wei Tang
1ff827b2ea Expose config max-round-blocks-to-import (#9439)
* Expose config max-round-blocks-to-import

* Fix test
2018-10-26 13:21:36 +02:00
Nicolas Gotchac
4ddd69cc55 Multithreaded snapshot creation (#9239)
* Add Progress to Snapshot Secondary chunks creation

* Use half of CPUs to multithread snapshot creation

* Use env var to define number of threads

* info to debug logs

* Add Snapshot threads as CLI option

* Randomize chunks per thread

* Remove randomness, add debugging

* Add warning

* Add tracing

* Use parity-common fix seek branch

* Fix log

* Fix tests

* Fix tests

* PR Grumbles

* PR Grumble II

* Update Cargo.lock

* PR Grumbles

* Default snapshot threads to half number of CPUs

* Fix default snapshot threads // min 1
2018-09-13 12:58:49 +02:00
Afri Schoedon
da5de4a6ff db: remove wal disabling / fast-and-loose option. (#8963)
* parity: highlight --fast-and-loose is not recommended.

* parity: remove fast-and-loose option, ref #1765

* db: remove db wal from options, it's always enabled

* db: remove wal from rocksdb helpers

* cli: fix wallet import test

* ethcore: fix client config tests

* parity: proper deprecated handling for fast-and-loose

* ethcore-client: fix config

* parity: mark fast-and-loose removed

* parity: fix test_find_deprecated

* parity: fix type for fast-and-loose flag

* lock file
2018-07-10 17:33:25 +02:00
Tomasz Drwięga
78e001284f Recently rejected cache for transaction queue (#9005)
* Store recently rejected transactions.

* Don't cache AlreadyImported rejections.

* Make the size of transaction verification queue dependent on pool size.

* Add a test for recently rejected.

* Fix logging for recently rejected.

* Make rejection cache smaller.

* obsolete test removed

* obsolete test removed

* Construct cache with_capacity.
2018-07-02 18:00:06 +01:00
Marek Kotewicz
458afcd230 new blooms database (#8712)
* new blooms database

* fixed conflict in Cargo.lock

* removed bloomchain

* cleanup in progress

* all tests passing in trace db with new blooms-db

* added trace_blooms to BlockChainDB interface, fixed db flushing

* BlockChainDB no longer exposes RwLock in the interface

* automatically flush blooms-db after every insert

* blooms-db uses io::BufReader to read files, wrap blooms-db into Mutex, cause fs::File is just a shared file handle

* fix json_tests

* blooms-db can filter multiple possibilities at the same time

* removed enum trace/db.rs CacheId

* lint fixes

* fixed tests

* kvdb-rocksdb uses fs-swap crate

* update Cargo.lock

* use fs::rename

* fixed failing test on linux

* fix tests

* use fs_swap

* fixed failing test on linux

* cleanup after swap

* fix tests

* fixed osx permissions

* simplify parity database opening functions

* added migration to blooms-db

* address @niklasad1 grumbles

* fix license and authors field of blooms-db Cargo.toml

* restore blooms-db after snapshot
2018-06-20 15:13:07 +02:00
Niklas Adolfsson
98b7c07171 Update license header and scripts (#8666)
* 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
2018-06-04 10:19:50 +02:00
Nicolas Gotchac
cdbcfaa7de Resumable warp-sync / Seed downloaded snapshots (#8544)
* Start dividing sync chain : first supplier method

* WIP - updated chain sync supplier

* Finish refactoring the Chain Sync Supplier

* Create Chain Sync Requester

* Add Propagator for Chain Sync

* Add the Chain Sync Handler

* Move tests from mod -> handler

* Move tests to propagator

* Refactor SyncRequester arguments

* Refactoring peer fork header handler

* Fix wrong highest block number in snapshot sync

* Small refactor...

* Resume warp-sync downloaded chunks

* Add comments

* Refactoring the previous chunks import

* Fix tests

* Address PR grumbles

* Fix not seeding current snapshot

* Address PR Grumbles

* Address PR grumble

* Retry failed CI job

* Update SnapshotService readiness check
Fix restoration locking issue for previous chunks restoration

* Fix tests

* Fix tests

* Fix test

* Early abort importing previous chunks

* PR Grumbles

* Update Gitlab CI config

* SyncState back to Waiting when Manifest peers disconnect

* Move fix

* Better fix

* Revert GitLab CI changes

* Fix Warning

* Refactor resuming snapshots

* Fix string construction

* Revert "Refactor resuming snapshots"

This reverts commit 75fd4b553a38e4a49dc5d6a878c70e830ff382eb.

* Update informant log

* Fix string construction

* Refactor resuming snapshots

* Fix informant

* PR Grumbles

* Update informant message : show chunks done

* PR Grumbles

* Fix

* Fix Warning

* PR Grumbles
2018-05-16 22:01:55 +02:00
Pierre Krieger
ac3de4c5fc Parity as a library (#8412)
* Parity as a library

* Fix concerns

* Allow using a null on_client_restart_cb

* Fix more concerns

* Test the C library in test.sh

* Reduce CMake version to 3.5

* Move the clib test before cargo test

* Add println in test
2018-05-09 08:47:21 +02:00
Wei Tang
897a94641e Unify and limit rocksdb dependency places (#8371)
* secret_store: remove kvdb_rocksdb dependency

* cli: init db mod for open dispatch

* cli: move db, client_db, restoration_db, secretstore_db to a separate mod

* migration: rename to migration-rocksdb and remove ethcore-migrations

* ethcore: re-move kvdb-rocksdb dep to test

* mark test_helpers as test only and fix migration mod naming

* Move restoration_db_handler to test_helpers_internal

* Fix missing preambles in test_helpers_internal and rocksdb/helpers

* Move test crates downward

* Fix missing docs

* cli, db::open_db: move each argument to a separate line

* Use featuregate instead of dead code for `open_secretstore_db`

* Move pathbuf import to open_secretstore_db

Because it's only used there behind a feature gate
2018-04-13 21:14:53 +02:00
Tomasz Drwięga
1cd93e4ceb New Transaction Queue implementation (#8074)
* 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.
2018-04-13 17:34:27 +02:00
Anton Gavrilov
e6f75bccfe Private transactions integration pr (#6422)
* 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
2018-04-09 16:14:33 +02:00
Wei Tang
c039ab79b5 Decouple rocksdb dependency from ethcore (#8320)
* 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
2018-04-09 14:21:37 +02:00
Marek Kotewicz
de72643898
ethcore-service (#8089)
* ethcore test::helpers cleanup

* ethcore-service
2018-03-13 11:49:57 +01:00
debris
7849fff41e finished 2017-08-31 11:35:41 +02:00
Tomasz Drwięga
a24b6ad983 Use standard paths for Ethash cache (#5881)
* Use cache path to store ethash files.

* Fixing tests, more flexible API.

* Use AsRef<Path> everywhere.

* Fixing ethcore tests.

* Fix RPC tests.
2017-07-10 12:57:40 +02:00
Arkadiy Paronyan
4d5280e43c removed panic handlers (#5895) 2017-06-22 19:00:53 +02:00
Gav Wood
3041c95408 Chain-selection from UI (#4859)
* First little bits for chain-selection.

* Provide RPCs and get settings through to user defaults.

* Hasty stash.

* Fix updater accidentally redownloading.

* Finish up.

* Add JS tests.

* Hypervisor should never run a binary modified before itself.

* Style.

* Help tweak.

* Fix test compile.

* Fix JS test

* Build fix for tests.

* Revert default chain name

* Another test

* Use spec name via client.

* Fix mock up.

* whitespace

[ci:skip]

* whitespace

[ci:skip]

* remove exit/restart endpoints.
2017-03-13 12:10:53 +01:00
Gav Wood
8404edb656 Fix whitespace (#4299)
* Fix whitespace.

* Update copyright years/owner.

* Push release only for tags.
2017-01-25 18:51:41 +01:00
Robert Habermeier
203fd8a471 Memory-based pruning history size (#4114)
* prune states based on memory param

* pruning memory CLI and usage in sync

* return purged value from memorydb

* calculate memory used incrementally in overlayrecentdb

* refactor shared history pruning code in client

* Fixed usage alignment

* journal_size function for fast memory calculation
2017-01-20 13:25:53 +01:00
Robert Habermeier
8125b5690c Port try macro to new ? operator. (#3962)
* initial untry sweep

* restore try in ipc codegen, fix inference

* change a few missed try instances
2016-12-27 12:53:56 +01:00
arkpar
e2371632c5 Base dir option 2016-12-15 21:56:45 +01:00
arkpar
be5fefe772 Merge branch 'master' of github.com:ethcore/parity into new-dirs 2016-12-14 00:04:11 +01:00
arkpar
6601fde328 New data paths with upgrade 2016-12-12 16:51:07 +01:00
Gav Wood
17cc2be4b5
Rename ethcore -> parity in license. 2016-12-11 19:30:54 +01:00
Gav Wood
5f1fcf95e0
Make *ID names consistent with std Rust (Id) 2016-12-09 23:01:43 +01:00
Robert Habermeier
8c8bf30de5 drop spec when no longer useful 2016-11-15 19:07:23 +01:00
Robert Habermeier
d18bb9d152 verify chunk hashes in cli restore (#3241) 2016-11-07 19:33:55 +01:00
Gav Wood
744501c454 Mode improvements for UI (#3109)
* `--mode=off` now works.

* Add Mode::Off as a persistent CLI option.

* "last" not "auto" as default.

* Commit accidentally unsaved file.

* Whitespace

[ci:skip]

* Mode CLI parse fix

* or offline

* Save mode when it gets changed.

* Fix Offline mode

* Fix up mode operations.

* Make passive default, but not overriding.

* Fix test

* Maybe not everyone wants to run an archive node...
2016-11-05 10:38:00 +01:00
Tomasz Drwięga
cf8f27ce0f Initializing logger for each command (#3090)
* Initializing logger for each command

* Single logger setup

* Whitespace [ci:skip]
2016-11-02 19:42:21 +01:00
Robert Habermeier
bc81ae0407 Snapshot and blockchain stability improvements (#2843)
* allow taking snapshot from just-restored database without error

* make creation informant less spammy

* Ancestry iterator failure-resilient

* make uncle hash searching resilient to incomplete chain

* deduce pre-chunk info from last written block's details
2016-10-24 18:27:23 +02:00
Arkadiy Paronyan
44a560e964 CLI option to skip seal check when importing (#2842) 2016-10-24 15:09:13 +02:00
keorn
479657b23b Automatic compaction selection on Linux (#2785)
* add auto compaction types

* pass db paths

* detect drive type on Linux

* use base db path

* add docstring

* limit the test to be side effect free

* use base db path

* more docs

* fix parsing test

* update error

* detect only on Linux

* make test Linux only

* add second device letter, update cli doc

* use spaces in cli doc

* import only on linux

* default->auto
2016-10-21 23:21:57 +02:00
Arkadiy Paronyan
487dfb0208 Snapshot sync part 2 (#2098)
* Split block downloader into a module

* Snapshot sync progress

* Warp sync CLI option

* Increased snapshot chunk and ping timeouts

* Fixed an issue with delayed writes

* Updated bootnodes

* Don't run pending IO tasks on shutdown

* Optional first_block; removed insert_snapshot_block

* Fixing expect calls

* Fixed stalled sync

* style and docs

* Update block_sync.rs

[ci:skip]
2016-10-18 18:16:00 +02:00
Robert Habermeier
f28b8352c1 Configurable history size in master (#2606)
* split journaldb commit into two functions: journal_under and mark_canonical

* use new commit mechanism in client

* Configurable history size in master

* Reduce DB history

* Configurable history size

* Set min history size

* Test

* Fixed a test and reduced the limit
2016-10-14 15:44:56 +03:00
Marek Kotewicz
06fe768ac2 Polishing Actually enable fat db pr (#1974) (#2048)
* Actually enable fat db, and do RPCs for it.

* Implement HashDB traits for AccountDB.

* user defaults

* finished user defaults

* user defaults are network-dependent

* added tests for newly added functions, logger is initialized first

* dir cleanup in progress

* user_file is placed next to snapshots

* fixing requested change
2016-10-03 11:13:10 +02:00
Marek Kotewicz
56eb97abbf user defaults (#2014)
* user defaults

* finished user defaults

* user defaults are network-dependent

* added tests for newly added functions, logger is initialized first

* dir cleanup in progress

* user_file is placed next to snapshots
2016-09-26 19:21:25 +02:00
Robert Habermeier
dcfd7eab6d Local snapshot restore (#2058)
* restore from local snapshot

* update status with chunks done

* rework local restore trigger
2016-09-11 14:05:59 +02:00
Robert Habermeier
57d5c35bb6 Use proper database configuration in snapshots. (#2052)
* use proper database config in snapshot service

* add snapshot path to parity directories struct

* fix RPC tests
2016-09-07 15:27:28 +02:00
Arkadiy Paronyan
5c5d9c8ccd Snapshot sync (#2047)
* PV64 sync

* Tests

* Client DB restore

* Snapshot restoration over IPC

* Upating test

* Minor tweaks

* Upating test
2016-09-06 15:31:13 +02:00
Robert Habermeier
1c19a807d9 Take control of recovered snapshots, start restoration asynchronously (#2010)
* take control of given snapshot

* start snapshot restoration asynchronously,
2016-08-25 22:20:44 +02:00
Robert Habermeier
b18407b9e3 Snapshot optimizations (#1991)
* apply RLP compression to abridged blocks

* add memorydb consolidate

* code hash optimization

* add warning to snapshot restoration CLI
2016-08-25 14:28:45 +02:00
Nikolay Volf
7c5435d3bb fix to use relative socket path 2016-08-22 19:41:58 +03:00
Tomasz Drwięga
a427208f79 Purging .derefs, fixing clippy warnings. (#1890)
* Fixing clippy warnings

* Purging derefs

* Simplifying engine derefs

* Simplifying more engine derefs
2016-08-10 16:29:40 +02:00
Robert Habermeier
2f1ade8116 take snapshot at specified block and slightly better informants (#1873)
* prettier informant for snapshot creation

* allow taking snapshot at a given block

* minor tweaks

* elaborate on cli
2016-08-08 18:41:30 +02:00
Robert Habermeier
e72fc5398a miner and client take spec reference (#1853)
* miner and client take spec reference

* fix tests
2016-08-05 23:33:55 +02:00
Robert Habermeier
76a7246369 Snapshot creation and restoration (#1679)
* to_rlp takes self by-reference

* clean up some derefs

* out-of-order insertion for blockchain

* implement block rebuilder without verification

* group block chunk header into struct

* block rebuilder does verification

* integrate snapshot service with client service; flesh out implementation more

* initial implementation of snapshot service

* remove snapshottaker trait

* snapshot writer trait with packed and loose implementations

* write chunks using "snapshotwriter" in service

* have snapshot taking use snapshotwriter

* implement snapshot readers

* back up client dbs when replacing

* use snapshot reader in snapshot service

* describe offset format

* use new get_db_path in parity, allow some errors in service

* blockchain formatting

* implement parity snapshot

* implement snapshot restore

* force blocks to be submitted in order

* fix bug loading block hashes in packed reader

* fix seal field loading

* fix uncle hash computation

* fix a few bugs

* store genesis state in db. reverse block chunk order in packed writer

* allow out-of-order import for blocks

* bring restoration types together

* only snapshot the last 30000 blocks

* restore into overlaydb instead of journaldb

* commit version to database

* use memorydbs and commit directly

* fix trie test compilation

* fix failing tests

* sha3_null_rlp, not H256::zero

* move overlaydb to ref_overlaydb, add new overlaydb without on-disk rc

* port archivedb to new overlaydb

* add deletion mode tests for overlaydb

* use new overlaydb, check state root at end

* share chain info between state and block snapshotting

* create blocks snapshot using blockchain directly

* allow snapshot from arbitrary block, remove panickers from snapshot creation

* begin test framework

* blockchain chunking test

* implement stateproducer::tick

* state snapshot test

* create block and state chunks concurrently, better restoration informant

* fix tests

* add deletion mode tests for overlaydb

* address comments

* more tests

* Fix up tests.

* remove a few printlns

* add a little more documentation to `commit`

* fix tests

* fix ref_overlaydb test names

* snapshot command skeleton

* revert ref_overlaydb renaming

* reimplement snapshot commands

* fix many errors

* everything but inject

* get ethcore compiling

* get snapshot tests passing again

* instrument snapshot commands again

* fix fallout from other changes, mark snapshots as experimental

* optimize injection patterns

* do two injections

* fix up tests

* take snapshots from 1000 blocks efore

* address minor comments

* fix a few io crate related errors

* clarify names about total difficulty

[ci skip]
2016-08-05 17:00:46 +02:00