v1.0.0-rc.12

RC12 brings some protocol updates, new dependencies and solves a number of bugs. There are some very minor API changes, mostly it's compatible with RC11. No further API changes are planned.

New features:

• verified node domains support (#523)
• LOCODE getters for node info (#534)
• binary object replication support (#535, #565)
• numeric matches for SEARCH queries (#550)
• numeric matches for EACLs (#554, #573)
• new split object scheme support (#543, #560, #566, #575)
• explicit issuer field in bearer token, new SetSignature method (#564)
• additional methods for things that were previously only provided by neofs-api-go module (#570)
• container version getter (#581)

Behaviour changes:

• minimal required Go is 1.20 now (#522, #559)
• parameterized constructor for attributes (#528)
• header size limit (#558)
• removal of notification functionality (#557)

Improvements:

• updated github.com/hashicorp/golang-lru dependency to v2.0.7 (#522, #527)
• updated go.uber.org/zap dependency to v1.27.0 (#522, #559)
• updated github.com/nspcc-dev/tzhash dependency to v1.7.2 (#524, #559)
• buffer reuse in slicer (#525)
• per-key node session caches in pool (#527)
• updated github.com/nspcc-dev/hrw/v2 dependency to v2.0.1 (#529, #559)
• buffer size hints for slicer (#539)
• updated github.com/nspcc-dev/neo-go dependency to v0.106.0 (#559, #584)
• updated google.golang.org/grpc dependency to v1.62.0 (#559)
• updated google.golang.org/protobuf dependency to v1.33.0 (#559, #569)
• updated golang.org/x/net dependency to 0.23.0 (#579)

Bugs fixed:

• incorrect number of objectGetStream, objectRangeStream, objectPutStream, objectSearchStream events counted (#521)
• error not returned from object writer in some cases (#521)
• pool failed to restart temporary unhealthy clients (#521)
• panic in xheaders handler (#582)

v1.0.0-rc.11

We've received some valuable feedback and improved some aspects of SDK API in this release. Most of the changes are just extensions and only a few are incompatible with the previous RC (except for scheduled deprecated Pool API removal). Try it out and leave feedback. We don't currently have any API changes planned, so this might become 1.0 as is (not counting documentation improvements that will be done).

New features:

• SignedData method for signed structures (#513)
• CopyTo method for deep structure copies (#512)

Behaviour changes:

• ObjectRangeInit and ObjectRangeInit unification between Client and Pool (#491)
• removal of all deprecated Pool APIs (#491)
• ObjectHead method now returns header instead of intermediate struct (#497)
• ObjectListReader now returns error from Read instead of bool flag
• Object's Sign/VerifySignature methods replacing CalculateAndSetSignature/VerifyIDSignature, harmonizing this API with other structures (#513)
• System role is ignored in the eACL matcher now (#515)

Improvements:

• extended integration tests (#467)
• new well-known "Version" node attribute support (#490)
• documentation and examples (#495, #511, #507, #509)
• exported AttributeExpirationEpoch (#504)
• methods to work with user's container and object attributes (#505, #508)
• exported filter keys (#506)
• Signature constructor (#508)
• support for creation epoch/payload size search filters (#508)

Bugs fixed:

• failing object upload via slicer in some cases (#486)
• io.EOF returned from payload writer on Write instead of protocol-specific error (#498)
• late session token updates leading to call failures in Pool (#503)

v1.0.0-rc.10

This RC is supposed to be the last one having this many changes. We don't have any API changes planned now (except deprecated APIs removal), we're just collecting feedback (for about a month) and improving the documentation. Depending on the feedback we may release RC11 in September with some cosmetic changes, but then a final 1.0 will be release. So please consider RC10 as a real stable RC and provide feedback if any.

The most significant change in this new RC is unification of pool and client APIs. For a long time they were developed pretty much independently leading to differences in behavior and features, now that's fixed. Old pool APIs are available in this release to simplify transition, but will be removed before 1.0. Another important thing to highlight is a new finalized slicer API that can now do much more than the previous one and do it easier.

New features:

• additional APIs for data get/set in session package (#447)
• waiter package that implements waiting for asynchronous operations and works both with Client and Pool (#451)
• statistics collection is available via callback both for Client and Pool now, stat package contains an old Pool statistics data collector (#453)
• automatic session creation/use can be disabled for Pool now (#454)

Behaviour changes:

• container package APIs using Container struct are now methods of the Container struct (#435)
• container.CalculateIDFromBinary moved to container/id package (#435)
• Pool provides a set of methods compliant with Client now, old methods are deprecated (#434, #450)
• Client.ObjectPutInit now requires an object header to be provided (but you can write payload right after init, #434)
• Client.ObjectGetInit immediately returns an object header now (#434)
• object package APIs using Object struct are now methods of the Object struct (#457)
• simplified Pool creation for flat node list (#456)
• ns package is gone, please refer to neofs-contracts repository for new RPC bindings providing this and other functions (#460)
• relations interface can work with both Client and Pool now (#455)
• Signers are explicitly required in APIs that need them (#462)
• Pool.SyncContainerWithNetwork is gone and client.SyncContainerWithNetwork can be used instead (#464)
• ReadChunk method is no longer provided by the object's PayloadReader, please use plain Read (#473)
• new user.Signer interface and structures binding Signer and user ID, removal of IDFromSigner and IDFromKey (#475, #481, #479)
• client's ObjectWriter is compatible with io.WriteCloser now (#466)
• completely reworked slicer that can be used in one-off mode with a simple function call or can reuse some context for a set of objects (#466, #481)

Improvements:

• structures are no longer serialized when signing with StaticSigner (#436)
• fail fast in Pool init if wrong node addresses are given (#471)
• documentation updates (#469, #473)
• optimized session creation in Pool (#468)
• slicer performance optimizations (#466)
• additional methods for Signature to avoid the need to use V2 structures in many cases (#479)
• PublicKeyBytes helper for crypto package (#479)

Bugs fixed:

• Pool.DeleteObject not working correctly (#440)
• missing split info in the first child object produced by slicer (#463)
• split info written into root object by slicer (#474)
• incorrect min aggregation result in netmap placement function (#480)
• excessive headers produced by slicer (#481)

v1.0.0-rc.9

A number of API simplifications (with ResolveNeoFSFailures being the most important one) goes with this version of SDK as well as a very significant change in the form of subnet support removal. Subnets are deprecated and to be removed from the protocol (there are zero subnet users, so it doesn't affect anyone), therefore SDK won't support them starting with this release.

Behaviour changes:

• IsErr* functions are removed from client, please use standard errors.Is (#407)
• ResolveNeoFSFailures is removed from the client, all protocol errors are translated into Go errors and returns as errors, (that can be used with errors.Is or errors.As to detect NeoFS API-level problems, #413)
• client no longer panics on invalid parameters (#414, #422)
• RFC6979 signer is mandatory for container-specific operations, so it's also mandatory for default client/pool use (but can be overridden for specific operation if needed, #418)
• apistatus package now provides ErrorFromV2/ErrorToV2 functions to translate v2 API statuses into/from errors, IsSuccessful/ErrToStatus/ErrFromStatus functions are gone (and not needed after ResolveNeoFSFailures change, #419)
• removal of subnet support (#420)
• Client methods now accept mandatory paramerters as explicit arguments (not hidden in Prm* structures, #424, #425)
• Client methods now return plain resulting structures where possible (#426)

Improvements:

• oid.Address can be passed directly into PrmObject* structs (#408)
• object.Range can be passed directly into the PrmObjectRange (#408)
• proper handling of protocol violations in the client (#410)
• updated tzhash dependency (#415)
• better error handling for some conversions (#423)

Bugs fixed:

• broken object metadata produced by slicer code in some cases (#427)

v1.0.0-rc.8

We've reworked the way we handle keys in the SDK and added an experimental API simplifying object creation. Pools were also improved and a number of other minor enhancements are included in this release as well. Try it in your applications and leave your feedback in issues, we need it to make 1.0.0 a really good release for all NeoFS use cases.

New features:

• object/relations package for large (splitted) object data handling (#360, #348)
• pool can now accept stream operations timeout parameter (#364)
• pool can also accept callbacks to be invoked after every client response (#365)
• additional marshaling/unmarshaling methods for accounting.Decimal, netmap.NetworkInfo and version.Version (#378)
• it's possible to get a single client from a pool now (#388)
• object.SearchFilters now provide more convenient APIs to search for object by their hashes (#386)
• experimental client-side API for object creation (and slicing large inputs into split objects, #382)

Behaviour changes:

• ns.ResolveContainerName changed to ns.ResolveContainerName with more specific input type (#356)
• pool.ErrPoolClientUnhealthy is no longer exported (#358)
• deprecated object.RawObject type is gone (#387)
• pools no longer use default session tokens for read operations (they're not required technically, #363)
• Go 1.18+ is required now (#394)
• enumeration types in eacl and object packages now have EncodeToString/DecodeString methods replacing String/FromString for serialization; String is still available, but it's not guaranteed to be compatible across versions (#393)
• signing APIs no longer require a specific key, it can be provided in a Signer wrapper (with different schemes) or a crypto.StaticSigner can be used for signatures calculated outside of the SDK (#398, #401)
• (NetMap).PlacementVectors and (NetMap).ContainerNodes APIs now use more specific types simplifying their use (#396)

Improvements:

• pool can work with some nodes being inaccessible now (#358)
• unified error messages in the client/status package (#369)
• documentation updates (#370, #392, #396)
• updated NeoGo, ANTLR, zap, golang-lru dependencies (#372)
• (*Client).ContainerSetEACL method now checks CID internally before generating a request to send to the network (#389)
• neofs-api-go signature package is no longer required (#401)

Bugs fixed:

• pool.DeleteObject now correctly handles large (splitted) objects (#360)
• object structure problems are no longer considered as connection problems by the pool (#374)
• private key used as a part of a map key in the pool (#401)

v1.0.0-rc.1

Release candidate v1.0.0