update CHANGELOG and ROADMAP, release 0.72.0
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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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## 0.72.0 "Crystallization" (06 Feb 2020)
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Starting at the end of the year 2019 we've spent a lot of effort to
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stress-test our node with transaction load and this allowed us to uncover
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some problems in various parts of the system. This release addresses all of
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them and brings with it updated networking, consensus and mempool components
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that can handle quite substantial transaction traffic and successfully produce
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new blocks while being stressed. There are also important updates in VM that
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fix incompatibilities with C# node and interesting improvements in compiler
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based on our experience porting neofs smart contract to Go.
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New features:
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* `dump` command for wallet to dump it (replaced non-functional `open`
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command, #589)
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* support for single-node consensus setup (#595)
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* ping/pong P2P messages are now supported with PingInterval and PingTimeout
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configuration options (#430, #610, #627, #639)
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* VM now fully supports calculating GAS spent during execution (#424, #648)
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* Fixed8 type now supports YAML marshalling (#609)
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* RPC invoke* calls can now be GAS-limited with MaxGasInvoke configuration
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option (#609)
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* gas limit for free invocation transactions can now be configured with
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FreeGasLimit option which default to 10.0 for mainnet and testnet (#609)
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* new compiler interop VerifySignature to verify ECDSA signatures (#617)
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* compiler now supports loops with single condition (no init/post, #618)
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* memory pool size is now configurable with MemPoolSize option which defaults
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to 50000 for all configurations (#614)
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* support for variables in slice literals in the compiler (#619)
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* support for map literals in the compiler (#620)
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* AppCall interop function (#621)
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* `string` to `[]byte` conversion was implemented in the compiler (#622)
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* Docker images now contain a dump of 1600 blocks for single-node setups and
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one can choose which dump to use for restore with ACC environment variable
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(#625)
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* switch statement support in the compiler (#626)
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* panic support in the compiler (#629)
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Behaviour changes:
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* NEP2Decrypt function in keys package now returns a pointer to PrivateKey
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rather than a WIF-encoded string (#589)
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* DecryptAccount function in wallet package was moved to Decrypt method of
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Account (#589)
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* logging was moved from logrus to zap which changed messages format a little
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(#284, #598)
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* Block, BlockBase and Header structures were moved into their own `block`
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package (#597)
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* MemPool was moved into its own `mempool` package (#597)
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* Sign method of PrivateKey no longer returns an error (#604)
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* wallet is now compatible with C# node wallets (#603)
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* consensus service now gets its keys from the wallet file instead of
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plain-text WIF in the configuration (#588)
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* `image` Makefile target was updated to nspccdev repo (#625)
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* serializing invalid Transaction structures (that have no Data) is now
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forbidden (#640)
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* Item is no longer exposed by the mempool package (#647)
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Improvements:
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* better testing of keys, wallet, compiler and mempool packages (#589, #568,
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#647)
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* smart use of previous proposal for block generation after dBFT's ChangeView
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(#591)
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* peer-server interaction refactored (#606)
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* peer message queues were introduced with different priorities reducing
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delays in consensus messages delivery and improving unicast communication
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(#590, #615, #639)
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* more efficient code generated by the compiler in some cases (#626, #629,
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#637)
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* mempool redesign leading to better performance (#647), it also doesn't
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store unverified transactions now
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Bugs fixed:
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* consensus service was not really requesting transactions from peers when it
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was missing some locally (#602)
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* build failing with newer rfc6979 package (#592)
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* wrong integer serialization/deserialization in VM leading to
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inconsistencies in state with C# node (#501/#605)
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* consensus service was not processing node election results to
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enable/disable dBFT (#603)
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* in some cases peers were not unregistered after disconnect (#606)
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* different execution results with C# node because of missing invocation fee
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calculations (#607)
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* RPC server now properly returns the amount of gas spent during execution
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for invoke* calls (#609)
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* FromAddress interop was translated improperly by the compiler (#621)
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* compiler emitting wrong integers (#624)
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* EOF errors on recovery consensus messages decoding (#632)
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* wrong handling of assignments to underscore variable in the compiler (#631)
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* wrong answers to getunspents/getaccountstate RPC requests for unknown
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addresses (#633)
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* multiple dBFT issues leading to consensus stalls, attempts to add wrong
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block to the chain, message processing using wrong height and other
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problems (#635, #641)
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* duplicate connections were not detected before the handshake completion
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which can happen too late (#639)
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* attempts to connect to peer that has already connected to node (#639)
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* unregistration of connected addresses (#639)
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* ArrayReverse function was not copying arrays of size 1 (#644)
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* race in transaction verification/addition to the mempool leading to
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potential double spends (#647)
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* wrong concurrent attempts to add new block to the chain (#647)
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* blocks were not relayed properly by non-consensus nodes (#647)
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* mempool memory leak (#647)
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* missing reverification after block acceptance for transactions in mempool
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(#647)
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## 0.71.0 "Celebration" (30 Dec 2019)
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Version 0.71.0 ends the year 2019 of neo-go development with a solid release
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@ -4,10 +4,11 @@ This defines approximate plan of neo-go releases and key features planned for
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them. Things can change if there a need to push a bugfix or some critical
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functionality.
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## Version 0.72.0 (end of January 2019)
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* wallet CLI functionality
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* completing P2P protocol implementation
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* fix remaining inconsistencies in mainnet transaction processing wrt C# implementation
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## Versions 0.7X.Y (as needed)
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* Neo 2.0 support (bug fixes, minor functionality additions)
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## Version 0.90.0 (April 2020)
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* Neo 3.0 features preview
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## Version 1.0 (2020, aligned with NEO 3.0 release)
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* full NEO 3.0 support
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