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CHANGELOG.md: release 0.99.0
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Roman Khimov
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CHANGELOG.md
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CHANGELOG.md
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This document outlines major changes between releases.
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## 0.99.0 "Overextrapolation" (03 Jun 2022)
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A big NeoGo upgrade that is made to be compatible with C# node version
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3.3.0. All of the protocol changes are implemented there with the main one
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being the Aspidochelone hardfork that will happen on mainnet
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soon. Compatibility is confirmed for current T5 testnet and mainnet, but this
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version requires a resynchronization so schedule your updates accordingly.
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But it's not just about the protocol changes, this release introduces an
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ability to perform historic invocations via RPC for nodes that store old MPT
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data. Using `invokefunctionhistoric` you can perform some invocation with the
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chain state at the given height, retreiving old balances, ownership data or
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anything else you might be interested in.
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Please also pay attention to configuration files used by your node, mainnet
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ones must have Aspidochelone hardfork enabled at height 1730000 to be
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compatible and T5 testnet enables it at height 210000. T5 testnet is different
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from T4, it uses different magic number, different seed nodes different
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protocol configuration settings. 0.99.0 won't work for T4 testnet, use 0.98.5
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for it.
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New features:
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* new methods in native contracts:
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- getTransactionVMState and getTransactionSigners in LedgerContract (#2417,
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#2447, #2511)
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- murmur32 in CryptoLib (#2417)
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- getAllCandidates and getCandidateVote in NeoToken (#2465)
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* System.Runtime.GetAddressVersion syscall (#2443)
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* StartWhenSynchronized option for RPC server (defaults to the old behaviour,
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#2445)
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* historic RPC invocations (invokefunctionhistoric, invokescripthistoric and
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invokecontractverifyhistoric APIs, #2431)
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* protocol hardforks, with Aspidochelone being the first supported (#2469,
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#2519, #2530, #2535)
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* MODMUL and MODPOW VM instructions (#2474)
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* ability to get connection closure error from WSClient (#2510)
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* isolated contract calls with state rollback on exception (#2508)
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* vote and candidate state change events in the NEO contract (#2523)
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* immutable compound types in VM (#2525)
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Behavior changes:
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* ContractManagement deploy and update methods now require AllowCall flag
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(#2402)
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* GetStorageItems* APIs are no longer available in dao package, use Seek*
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(#2414)
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* committee candidates are now checked against the Policy contract block list
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(#2453)
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* getCandidates NEO method returns no more than 256 results now (#2465)
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* EQUAL checks are limited to 64K of data in VM now irrespective of the
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number of elements compared (#2467)
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* Create[Standard/Multisig]Account prices were raised to avoid DoS attacks
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(#2469)
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* System.Runtime.GetNotifications syscall costs 16 times more GAS now (#2513)
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* System.Runtime.GetRandom syscall now costs more and uses more secure seed
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(#2519)
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Improvements:
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* better messages for some CLI commands (#2411, #2405, #2455)
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* fixes and extensions for example contracts (#2408)
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* better neotest documentation (#2408)
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* internal tests now use neotest framework more extensively (#2393)
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* neotest can now be used for benchmark code and has more multi-validator
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chain methods (#2393)
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* big (>64 bit) integers can now be used for RPC calls (#2413)
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* no error is logged now when notary-assisted transaction is already in the
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mempool (it's not an error, #2426)
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* T5 testnet with more aggressive protocol parameters (#2457)
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* destroyed contracts are blocked now (#2462)
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* JSONization errors for invoke* RPCs are now returned in exception field of
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the answer (#2461)
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* typos, grammar and spelling fixes in documentation, comments and messages
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(#2441, #2442)
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* faster RPC client initialization (#2468)
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* RPC processing errors use ERROR log severity now only if there is a
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server-side error occurred (2484)
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* increased server-side websocket message limit to fit any request (#2507)
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* invalid PrepareRequest now doesn't require other nodes to be alive to send
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ChangeView (#2512)
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* updated YAML library dependency (#2527)
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* notary subsystem compatibility fixes, using new IDs and options (#2380)
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* minor performance improvements (#2531)
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Bugs fixed:
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* websocket-based RPCs were not counted in Prometheus metrics (#2404)
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* input data escaping missing for RPC log messages (#2404)
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* compiler panic in notification checking code (#2408)
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* missing 'hash' field in the debug data (#2427)
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* debug data used relative paths that are not compatible with neo-debugger
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(#2427)
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* getversion RPC method wasn't compatible with C# implementation (#2435,
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#2448)
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* old BaseExecFee and StoragePrice values could be used by transactions in
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the same block with transactions that change any of them (#2432)
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* context initialization race in dbft (#2439)
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* some stateroot data functions used incorrect keys in the DB (#2446)
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* voter reward data could not be deleted in NEO contract in some cases
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(#2454)
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* the maximum number of HTTPS oracle redirections is limited to 2 (and only
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using HTTPS) for C# compatibility (#2456, #2389)
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* maximum number of contract updates wasn't limited leading to overflow (#2462)
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* incorrect interop signature for getCandidates NEO contract method (#2465)
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* next instruction validitiy check is performed now before instruction
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pointer move to be compatible with C# implementation (#2475)
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* concurrent map access in Seek leading to panic (#2495, #2499)
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* insecure password reads (#2480)
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* minor VM reference counting fixes (#2498, #2502, #2525)
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* panic during serialization of transaction with empty script (#2485)
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* 'exception' field was missing in the invoke* RPC call output when there is
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no exception which differed from C# node behaviour (#2514)
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* interop interfaces used incompatible (wrt C# node) type string in JSON
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(#2515)
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* minor genesis block state differences wrt C# implementation (#2532)
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* incompatible (wrt C#) method offset check (#2532)
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## 0.98.5 "Neutralization" (13 May 2022)
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An urgent update to fix the same security issue that was fixed in 3.1.0.1 C#
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