Обновление Lisk v0.4.0

Обновление клиента Lisk v0.4.0 было успешно выпущено и теперь доступно для загрузки на нашем сервере.

Работая над текущим майлстоуном "Стабилизация основной сети", недавно выделенного в дорожной карте Lisk, мы прилагаем максимальные усилия для эффективного рефакторинга существующего кода.

Lisk v0.4.0 это огромный шаг к завершению майлстоуна и включает в себя огромное количество исправлений багов, а также улучшений в скорости и стабильности. Всем делегатам в листе ожидания, а также операторам серверов крайне рекомендуется обновиться ASAP!

Для установки или обновления до Lisk v0.4.0 обратитесь к нашей официальной документации.

v0.4.0 Changelog

Backend — Accounts

• Closed #197. Improving error messages when account does not have enough funds. Yielding sender address and account balance.
• Closed #266. Changed behavior of POST /api/accounts/open and POST /api/accounts/generatePublicKey. New accounts are no longer written to mem_accounts. Added one-time migration to delete dormant accounts which have never received or sent funds.
• Closed #266. Verifying public key type, length and format in Account.prototype.set and Account.prototype.merge.
• Closed #266. Added virgin column to mem_accounts. Indicating whether an unconfirmed transaction sent from an account has been applied.
• Closed #266. Added protect_mem_account database trigger. Making address, u_username, username, virgin, publicKey, and secondPublicKey columns immutable once written.
• Closed #266. Added senderPublicKey exceptions to Transaction.prototype.verify.
• Added missing address validation to GET /accounts?address=.
• Fixed error on GET /api/delegates?orderBy=unknown:asc.
• Fixed error on GET /api/delegates?limit=0.

Backend — Blocks

• Closed #163. Adding default orderBy to /api/blocks (height:desc).
• Merged #210. Block processing rewrite @fix.
• Preventing data corruption of memory tables after reload or shutdown #213.
• Closed #222. Fixing block reward calculation within first few blocks after milestone.
• Closed #258. Detecting numericality of snapshot round. Allowing node app.js —snapshot=foobar to default to the highest round.
• Closed #260. Removing infinite recursion in Loader.prototype.getNetwork.
• Closed #276. Finishing snapshot within __private.applyBlock.
• Closed #289. Prevent sync slowdown after receiving unconfirmed transactions.
• Conditionally loading blocks from network; when there has been no block “receipts” over network transport, or when last receipt was over 120 seconds ago.
• Added GET /api/loader/status/ping endpoint @34ro.
• Added GET /api/blocks/getEpoch endpoint.
• Added nethash and epoch properties to GET /api/blocks/getStatus.
• Fixed orphan account check. Excluding mem_accounts with NULL blockId.
• Fixed invalid type comparison on unapplied rounds.
• Fixed reported block height when rebuilding blockchain.
• Improved error logging with JSON dump of affected block.

Backend — Transactions

• Closed #265. Fixing “Account not found” error when sending transactions to virgin account using POST /api/transactions.
• Fixed #279. Removing erroneous unconfirmed transactions.
• Fixed #279. Removing redundant double spend collection.
• Fixed undefined is not a function error. After error thrown while verifying transaction bytes.
• Added verification of transaction assets for all transaction types.
• Improved error logging with JSON dump of affected transaction.
• Improved logging of apply / undo of transactions at debug level.
• Performing sender balance checks using bignum arithmetic.

Backend — Applications

• Closed #269. Fixed crash on 404 error for POST /api/dapps/install.
• Downgraded npm to latest LTS release 2.15.10.

Backend — Peers

• Improving peers db efficiency #104. Sequencing peers updates.
• Improving peers db efficiency #104. Replacing insert / update with single upsert.
• Improving peers db efficiency #104. Chaining database queries when adding dapp peer.
• Closed #147. Replacing request with popsicle. Fixing memory leak on large request bodies, e.g. loading blocks from peer.
• Merged #227. Improved peer discovery using histogram cut selection of “good” peers @fix.
• Closed #231. Implementing API rate limiter. Individually configurable for both /api and /peer. Disabled by default.
• Added EHEADERS, ERESPONSE, ENETHASH peer error codes, extending: https://github.com/blakeembrey/popsicle#error-handling.
• Fixed timers in Loader.prototype.onPeerReady.
• Only trigger nextLoadBlock if loaded and not already syncing.
• Fixed halt to nextLoadUnconfirmedTransactions recursion when syncing.
• Fixed halt to nextLoadSignatures recursion when syncing.
• Checking nethash for all transport /peer requests.
• Returning JSON response for POST /peer/blocks.
• Returning success or error for GET /api/peers/get.
• Added success property to GET /peer/transactions.
• Ignoring already processed or confirmed transactions for POST /peer/transactions.
• Added transactionId property to POST /peer/transactions.
• Added success property to GET /peer/height.
• Removing peers which return bad response code.
• Removing peers with invalid request headers.
• Removing peers with invalid nethash.
• Improved logging of peer changes at debug level.
• Increased default peer timeout to 5000 ms.
• Fixed unwanted rejection of seed peers due to lack of os, version metadata.
• Removed unnecessary peer loopback detection.
• Validating peer headers using zschema only.

Backend — Refactoring

• Closed #147. Dramatically improved CPU and memory efficiency.
• Moved schema validations into separate modules, to eliminate unnecessary continous object creation.
• Added unique ids to schema validations, to better utilize z-schema schema caching.
• Nullifying any large objects identified by memory profiling at the earliest opportunity.
• Decoupled transaction types from modules into separately addressed modules.
• Defining functions on constructor prototype where possible.
• Using async for control flow, to remove deep nesting of code.
• Fully linted code base using jshint to a strict standard.
• Created database indexes on memory tables.

Backend — Tests

• Complete rewrite and abstraction of API tests, for cleaner tests.
• Massively expanded API test coverage, resulting in many fixes.
• Added initial unit test coverage, e.g. for block rewards.

Backend — Configuration

• Removed unimplemented serveHttpAPI/Wallet options from config.json.
• Added maxUpdatePeers option to config.json.
• Added trustProxy setting to config.json.

Backend — Dependencies

• Updated all dependencies to latest compatible versions.
• Replaced underscore, util-extend with lodash.

Frontend

• Added Polish language support.
• Fixating and updating dependency versions.
• Fixing calls to null u_multisignatures/multisignatures.
• Fixing call to undefined resp.data.account.

Build

• Closed #44. Added timestamp to postgresql logs.
• Added empty blockchain.db.gz to allow for starting the blockchain from 0.
• Updating node/lisk-node to 0.12.16.

lisk.sh

• Implemented url flag for lisk.sh to allow remote snapshots to be used with rebuild.
• Updated rebuild logic to allow for local backups to be reused and to specify file name.
• Improved lisk startup to display current block height after start or status is issued.
• Implemented new logic for interactive snapshotting.
• Added progress bar when downloading snapshots.

lisk_snapshot.sh

• Implemented lisk_snapshot.sh for automated database backups.
• Added snapshot.json for configuring lisk_snapshot.sh backups.

installLisk.sh

• Removed duplicated block height check already present in lisk.sh.
• Changed coldstart to use empty blockchain.db.gz.

Documentation

• Updated upgrade instructions to use automated upgrade.
• Updated testnet installation instructions.