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neoneo-go/ROADMAP.md
Roman Khimov 6e27883c10 rpcsrv: remove deprecated RPC counters
2023-03-18 10:52:24 +03:00

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Roadmap for neo-go

This defines approximate plan of neo-go releases and key features planned for them. Things can change if there is a need to push a bugfix or some critical functionality.

Versions 0.7X.Y (as needed)

  • Neo 2.0 support (bug fixes, minor functionality additions)

Version 0.102.0 (~March 2022)

  • 3.6.0 compatibility

Version 0.102.1 (~April 2022)

  • improved RPC error codes
  • extended data types for iterators to be used by RPC wrapper generator

Version 1.0 (2023, TBD)

  • stable version

Deprecated functionality

As the node and the protocol evolve some external APIs can change. Usually we try keeping backwards compatibility for some time (like half a year) unless it's impossible to do for some reason. But eventually old APIs/commands/configurations will be removed and here is a list of scheduled breaking changes. Consider changing your code/scripts/configurations if you're using anything mentioned here.

Old RPC client APIs

A huge set of RPC client APIs was deprecated in versions 0.99.2 and 0.99.3 (August-September 2022), including very frequently used ones like SignAndPushInvocationTx, AddNetworkFee, TransferNEP17. A new set of invoker/actor/unwrap/nep17/etc packages was introduced decoupling these functions from RPC client and simplifying typical backend code. Please refer to rpcclient package documentation for specific replacements for each of these APIs and convert your code to using them.

While a lot of the code is already converted to new APIs, old ones still can be used in some code not known to us. Therefore we will remove old APIs not earlier than May 2023, with 0.103.0 release.

WSClient Notifications channel and SubscribeFor* APIs

Version 0.99.5 of NeoGo introduces a new set of subscription APIs that gives more control to the WSClient user that can pass specific channels to be used for specific subscriptions now. Old APIs and generic Notifications channel are still available, but will be removed, so please convert your code to using new Receive* APIs.

Removal of these APIs is scheduled for May 2023 (~0.103.0 release).

SecondsPerBlock protocol configuration

With 0.100.0 version SecondsPerBlock protocol configuration setting was deprecated and replaced by a bit more generic and precise TimePerBlock (allowing for subsecond time). An informational message is printed on node startup to inform about this, it's very easy to deal with this configuration change, just replace one line.

Removal of SecondsPerBlock is scheduled for May-June 2023 (~0.103.0 release).

Services/node address and port configuration

Version 0.100.0 of NeoGo introduces a multiple binding addresses capability to the node's services (RPC server, TLS RPC configuration, Prometheus, Pprof) and the node itself. It allows to specify several listen addresses/ports using an array of "address:port" pairs in the service's Addresses config section and array of "address:port:announcedPort" tuples in the ApplicationConfiguration's Addresses node config section. Deprecated Address and Port sections of RPC, Prometheus, Pprof subsections of the ApplicationConfiguration as far as the one of RPC server's TLSConfig are still available, but will be removed, so please convert your node configuration file to use new P2P-level Addresses section for the node services. Deprecated Address, NodePort and AnnouncedPort sections of ApplicationConfiguration will also be removed eventually, so please update your node configuration file to use Addresses section for the P2P addresses configuration.

Removal of these config sections is scheduled for May-June 2023 (~0.103.0 release).

P2P application settings configuration

Version 0.100.0 of NeoGo marks the following P2P application settings as deprecated: AttemptConnPeers, BroadcastFactor, DialTimeout, ExtensiblePoolSize, MaxPeers, MinPeers, PingInterval, PingTimeout, ProtoTickInterval. These settings are moved to a separate P2P section of ApplicationConfiguration. The DialTimeout, PingInterval, PingTimeout, ProtoTickInterval settings are converted to more precise Duration format (allowing for subsecond time). Please, update your node configuration (all you need is to move specified settings under the P2P section and convert time-related settings to Duration format).

Removal of deprecated P2P related application settings is scheduled for May-June 2023 (~0.103.0 release).

Direct UnlockWallet consensus configuration

Top-level UnlockWallet section in ApplicationConfiguration was used as an implicit consensus service configuration, now this setting (with Enabled flag) is moved into a section of its own (Consensus). Old configurations are still supported, but this support will eventually be removed.

Removal of this compatibility code is scheduled for May-June 2023 (~0.103.0 release).

Node-specific configuration moved from Protocol to Application

GarbageCollectionPeriod, KeepOnlyLatestState, RemoveUntraceableBlocks, SaveStorageBatch and VerifyBlocks settings were moved from ProtocolConfiguration to ApplicationConfiguration in version 0.100.0. Old configurations are still supported, except for VerifyBlocks which is replaced by SkipBlockVerification with inverted meaning (and hence an inverted default) for security reasons.

Removal of these options from ProtocolConfiguration is scheduled for May-June 2023 (~0.103.0 release).