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# Protocol Documentation
<a name="top"></a>
## Table of Contents
{{range .Files}}
{{$file_name := .Name}}- [{{.Name}}](#{{.Name}})
{{if .Services}} - Services
{{range .Services}}- [{{.Name}}](#{{.FullName}})
{{end}}{{end}}
{{if .Messages}} - Messages
{{range .Messages}}- [{{.LongName}}](#{{.FullName}})
{{end}}{{end}}
{{end}}
- [Scalar Value Types](#scalar-value-types)
{{range .Files}}
{{$file_name := .Name}}
<a name="{{.Name}}"></a>
<p align="right"><a href="#top">Top</a></p>
## {{.Name}}
{{.Description}}
{{range .Services}}
<a name="{{.FullName}}"></a>
### Service "{{.FullName}}"
{{.Description}}
```
{{range .Methods -}}
rpc {{.Name}}({{if .RequestStreaming}}stream {{end}}{{.RequestLongType}}) returns ({{if .ResponseStreaming}}stream {{end}}{{.ResponseLongType}});
{{end}}
```
{{range .Methods -}}
#### Method {{.Name}}
{{.Description}}
| Name | Input | Output |
| ---- | ----- | ------ |
| {{.Name}} | [{{.RequestLongType}}](#{{.RequestFullType}}) | [{{.ResponseLongType}}](#{{.ResponseFullType}}) |
{{end}}{{end}} <!-- end services -->
{{range .Messages}}
<a name="{{.FullName}}"></a>
### Message {{.LongName}}
{{.Description}}
{{if .HasFields}}
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
{{range .Fields -}}
| {{.Name}} | [{{.LongType}}](#{{.FullType}}) | {{.Label}} | {{nobr .Description}}{{if .DefaultValue}} Default: {{.DefaultValue}}{{end}} |
{{end}}{{end}}
{{end}} <!-- end messages -->
{{range .Enums}}
<a name="{{.FullName}}"></a>
### {{.LongName}}
{{.Description}}
| Name | Number | Description |
| ---- | ------ | ----------- |
{{range .Values -}}
| {{.Name}} | {{.Number}} | {{nobr .Description}} |
{{end}}
{{end}} <!-- end enums -->
{{end}}
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
{{range .Scalars -}}
| <a name="{{.ProtoType}}" /> {{.ProtoType}} | {{.Notes}} | {{.CppType}} | {{.JavaType}} | {{.PythonType}} |
{{end}}

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vendor
**/*.pb.go

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### GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc.
<https://fsf.org/>
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### Preamble
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section 13, concerning interaction through a network will apply to the
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#### 14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions
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If the Program specifies that a proxy can decide which future versions
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#### 15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
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HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
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NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
#### 17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
### How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively state
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper
mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands \`show w' and \`show c' should show the
appropriate parts of the General Public License. Of course, your
program's commands might be different; for a GUI interface, you would
use an "about box".
You should also get your employer (if you work as a programmer) or
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. For more information on this, and how to apply and follow
the GNU GPL, see <https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your
program into proprietary programs. If your program is a subroutine
library, you may consider it more useful to permit linking proprietary
applications with the library. If this is what you want to do, use the
GNU Lesser General Public License instead of this License. But first,
please read <https://www.gnu.org/licenses/why-not-lgpl.html>.

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NETMAP_VERSION=v1.6.1
GOGOPROTO_VERSION=v1.3.1
NETMAP_URL=https://github.com/nspcc-dev/netmap/archive/$(NETMAP_VERSION).tar.gz
GOGOPROTO_URL=https://github.com/gogo/protobuf/archive/$(GOGOPROTO_VERSION).tar.gz
.PHONY: deps docgen
deps:
@echo "=> Prepare"
@rm -rf ./vendor/github.com/gogo/protobuf
@rm -rf ./vendor/github.com/nspcc-dev/netmap
@mkdir -p ./vendor/github.com/gogo/protobuf
@mkdir -p ./vendor/github.com/nspcc-dev/netmap
@echo "=> Download"
@curl -sL -o ./vendor/gogo.tar.gz $(GOGOPROTO_URL)
@curl -sL -o ./vendor/netmap.tar.gz $(NETMAP_URL)
@echo "=> Vendoring"
@tar -xzf ./vendor/gogo.tar.gz --strip-components 1 -C ./vendor/github.com/gogo/protobuf
@tar -xzf ./vendor/netmap.tar.gz --strip-components 1 -C ./vendor/github.com/nspcc-dev/netmap
@echo "=> Cleanup"
@rm ./vendor/gogo.tar.gz
@rm ./vendor/netmap.tar.gz
# Regenerate documentation for protot files:
docgen: deps
@for f in `find . -type f -name '*.proto' -not -path './vendor/*' -exec dirname {} \; | sort -u `; do \
echo "${B}${G}⇒ Documentation for $$(basename $$f) ${R}"; \
protoc \
--doc_opt=.github/markdown.tmpl,$${f}.md \
--proto_path=.:./vendor:/usr/local/include \
--doc_out=proto-docs/ $${f}/*.proto; \
done

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# NeoFS-proto
NeoFS-proto repository contains implementation of core NeoFS structures that
can be used for integration with NeoFS.
## Description
Repository contains 13 packages that implement NeoFS core structures. These
packages mostly contain protobuf files with service and structure definitions
or NeoFS core types with complemented functions.
There is a auto-generated documentation for protobuf files in [docs](proto-docs).
### Accounting
Accounting package defines services and structures for accounting operations:
balance request and `cheque` operations for withdraw. `Cheque` is a structure
with inner ring signatures, which approve that user can withdraw requested
amount of assets. NeoFS smart contract takes binary formatted `cheque` as a
parameter in withdraw call.
#### API
Accounting package defines:
- [Accounting service](proto-docs/accounting.md#accounting.Accounting)
- [Withdraw service](proto-docs/accounting.md#accounting.Withdraw)
### Bootstrap
Bootstrap package defines bootstrap service which is used by storage nodes to
connect to the storage network.
#### API
Bootstrap package defines:
- [Bootstrap service](proto-docs/bootstrap.md#bootstrap.Bootstrap)
### Chain
Chain package contains util functions for operations with NEO Blockchain types:
wallet addresses, script-hashes.
### Container
Container package defines service and structures for operations with containers.
Objects in NeoFS are stored in containers. Container defines storage
policy for the objects.
#### API
Bootstrap package defines:
- [Container service](proto-docs/container.md#container.Service)
### Decimal
Decimal defines custom decimal implementation which is used in accounting
operations.
### Hash
Hash package defines homomorphic hash type.
### Internal
Internal package defines constant error type and proto interface for custom
protobuf structures.
### Object
Object package defines service and structures for object operations. Object is
a core storage structure in NeoFS. Package contains detailed information
about object internal structure.
#### API
Object package defines:
- [Object service](proto-docs/object.md#object.Service)
### Query
Query package defines structure for object search requests.
### Refs
Refs package defines core identity types: Object ID, Container ID, etc.
### Service
Service package defines util structure and functions for all NeoFS services
operations: TTL and request signature management, node roles, epoch retriever.
### Session
Session package defines service and structures for session obtain. Object
operations require an established session with pair of session keys signed by
owner of the object.
#### API
Session package defines:
- [Session service](proto-docs/session.md#session.Session)
### State
State package defines service and structures for metrics gathering.
#### API
State package defines:
- [Status service](proto-docs/state.md#state.Status)
## Contributing
At this moment, we do not accept contributions.
## License
This project is licensed under the GPLv3 License -
see the [LICENSE.md](LICENSE.md) file for details

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syntax = "proto3";
package accounting;
option go_package = "github.com/nspcc-dev/neofs-proto/accounting";
import "service/meta.proto";
import "service/verify.proto";
import "decimal/decimal.proto";
import "accounting/types.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Accounting is a service that provides access for accounting balance
// information
service Accounting {
// Balance returns current balance status of the NeoFS user
rpc Balance(BalanceRequest) returns (BalanceResponse);
}
message BalanceRequest {
// OwnerID is a wallet address
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message BalanceResponse {
// Balance contains current account balance state
decimal.Decimal Balance = 1;
// LockAccounts contains information about locked funds. Locked funds appear
// when user pays for storage or withdraw assets.
repeated Account LockAccounts = 2;
}

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syntax = "proto3";
package accounting;
option go_package = "github.com/nspcc-dev/neofs-proto/accounting";
import "decimal/decimal.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message Account {
// OwnerID is a wallet address
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// Address is identifier of accounting record
string Address = 2;
// ParentAddress is identifier of parent accounting record
string ParentAddress = 3;
// ActiveFunds is amount of active (non locked) funds for account
decimal.Decimal ActiveFunds = 4;
// Lifetime is time until account is valid (used for lock accounts)
Lifetime Lifetime = 5 [(gogoproto.nullable) = false];
// LockTarget is the purpose of lock funds (it might be withdraw or payment for storage)
LockTarget LockTarget = 6;
// LockAccounts contains child accounts with locked funds
repeated Account LockAccounts = 7;
}
// LockTarget must be one of two options
message LockTarget {
oneof Target {
// WithdrawTarget used when user requested withdraw
WithdrawTarget WithdrawTarget = 1;
// ContainerCreateTarget used when user requested creation of container
ContainerCreateTarget ContainerCreateTarget = 2;
}
}
message Balances {
// Accounts contains multiple account snapshots
repeated Account Accounts = 1 [(gogoproto.nullable) = false];
}
message PayIO {
// BlockID contains id of the NEO block where withdraw or deposit
// call was invoked
uint64 BlockID = 1;
// Transactions contains all transactions that founded in block
// and used for PayIO
repeated Tx Transactions = 2 [(gogoproto.nullable) = false];
}
message Lifetime {
// Unit can be Unlimited, based on NeoFS epoch or Neo block
enum Unit {
Unlimited = 0;
NeoFSEpoch = 1;
NeoBlock = 2;
}
// Unit describes how lifetime is measured in account
Unit unit = 1 [(gogoproto.customname) = "Unit"];
// Value describes how long lifetime will be valid
int64 Value = 2;
}
message Tx {
// Type can be withdrawal, payIO or inner
enum Type {
Unknown = 0;
Withdraw = 1;
PayIO = 2;
Inner = 3;
}
// Type describes target of transaction
Type type = 1 [(gogoproto.customname) = "Type"];
// From describes sender of funds
string From = 2;
// To describes receiver of funds
string To = 3;
// Amount describes amount of funds
decimal.Decimal Amount = 4;
// PublicKeys contains public key of sender
bytes PublicKeys = 5;
}
message Settlement {
message Receiver {
// To is the address of funds recipient
string To = 1;
// Amount is the amount of funds that will be sent
decimal.Decimal Amount = 2;
}
message Container {
// CID is container identifier
bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
// SGIDs is a set of storage groups that successfully passed the audit
repeated bytes SGIDs = 2 [(gogoproto.customtype) = "SGID", (gogoproto.nullable) = false];
}
message Tx {
// From is the address of the sender of funds
string From = 1;
// Container that successfully had passed the audit
Container Container = 2 [(gogoproto.nullable) = false];
// Receivers is a set of addresses of funds recipients
repeated Receiver Receivers = 3 [(gogoproto.nullable) = false];
}
// Epoch contains an epoch when settlement was accepted
uint64 Epoch = 1;
// Transactions is a set of transactions
repeated Tx Transactions = 2;
}
message ContainerCreateTarget {
// CID is container identifier
bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
}
message WithdrawTarget {
// Cheque is a string representation of cheque id
string Cheque = 1;
}

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syntax = "proto3";
package accounting;
option go_package = "github.com/nspcc-dev/neofs-proto/accounting";
import "service/meta.proto";
import "service/verify.proto";
import "decimal/decimal.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Withdraw is a service that provides withdraw assets operations from the NeoFS
service Withdraw {
// Get returns cheque if it was signed by inner ring nodes
rpc Get(GetRequest) returns (GetResponse);
// Put ask inner ring nodes to sign a cheque for withdraw invoke
rpc Put(PutRequest) returns (PutResponse);
// List shows all user's checks
rpc List(ListRequest) returns (ListResponse);
// Delete allows user to remove unused cheque
rpc Delete(DeleteRequest) returns (DeleteResponse);
}
message Item {
// ID is a cheque identifier
bytes ID = 1 [(gogoproto.customtype) = "ChequeID", (gogoproto.nullable) = false];
// OwnerID is a wallet address
bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// Amount of funds
decimal.Decimal Amount = 3;
// Height is the neo blockchain height until the cheque is valid
uint64 Height = 4;
// Payload contains cheque representation in bytes
bytes Payload = 5;
}
message GetRequest {
// ID is cheque identifier
bytes ID = 1 [(gogoproto.customtype) = "ChequeID", (gogoproto.nullable) = false];
// OwnerID is a wallet address
bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message GetResponse {
// Withdraw is cheque with meta information
Item Withdraw = 1;
}
message PutRequest {
// OwnerID is a wallet address
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// Amount of funds
decimal.Decimal Amount = 2;
// Height is the neo blockchain height until the cheque is valid
uint64 Height = 3;
// MessageID is a nonce for uniq request (UUIDv4)
bytes MessageID = 4 [(gogoproto.customtype) = "MessageID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message PutResponse {
// ID is cheque identifier
bytes ID = 1 [(gogoproto.customtype) = "ChequeID", (gogoproto.nullable) = false];
}
message ListRequest {
// OwnerID is a wallet address
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message ListResponse {
// Items is a set of cheques with meta information
repeated Item Items = 1;
}
message DeleteRequest {
// ID is cheque identifier
bytes ID = 1 [(gogoproto.customtype) = "ChequeID", (gogoproto.nullable) = false];
// OwnerID is a wallet address
bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// MessageID is a nonce for uniq request (UUIDv4)
bytes MessageID = 3 [(gogoproto.customtype) = "MessageID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// DeleteResponse is empty
message DeleteResponse {}

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syntax = "proto3";
package bootstrap;
option go_package = "github.com/nspcc-dev/neofs-proto/bootstrap";
import "service/meta.proto";
import "service/verify.proto";
import "bootstrap/types.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Bootstrap service allows neofs-node to connect to the network. Node should
// perform at least one bootstrap request in the epoch to stay in the network
// for the next epoch.
service Bootstrap {
// Process is method that allows to register node in the network and receive actual netmap
rpc Process(Request) returns (bootstrap.SpreadMap);
}
message Request {
// Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2)
int32 type = 1 [(gogoproto.customname) = "Type" , (gogoproto.nullable) = false, (gogoproto.customtype) = "NodeType"];
// Info contains information about node
bootstrap.NodeInfo info = 2 [(gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}

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syntax = "proto3";
package bootstrap;
option go_package = "github.com/nspcc-dev/neofs-proto/bootstrap";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;;
option (gogoproto.stringer_all) = false;
option (gogoproto.goproto_stringer_all) = false;
message SpreadMap {
// Epoch is current epoch for netmap
uint64 Epoch = 1;
// NetMap is a set of NodeInfos
repeated NodeInfo NetMap = 2 [(gogoproto.nullable) = false];
}
message NodeInfo {
// Address is a node [multi-address](https://github.com/multiformats/multiaddr)
string Address = 1 [(gogoproto.jsontag) = "address"];
// PubKey is a compressed public key representation in bytes
bytes PubKey = 2 [(gogoproto.jsontag) = "pubkey,omitempty"];
// Options is set of node optional information, such as storage capacity, node location, price and etc
repeated string Options = 3 [(gogoproto.jsontag) = "options,omitempty"];
// Status is bitmap status of the node
uint64 Status = 4 [(gogoproto.jsontag) = "status", (gogoproto.nullable) = false, (gogoproto.customtype) = "NodeStatus"];
}

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syntax = "proto3";
package container;
option go_package = "github.com/nspcc-dev/neofs-proto/container";
import "service/meta.proto";
import "service/verify.proto";
import "container/types.proto";
import "github.com/nspcc-dev/netmap/selector.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Container service provides API for manipulating with the container.
service Service {
// Put request proposes container to the inner ring nodes. They will
// accept new container if user has enough deposit. All containers
// are accepted by the consensus, therefore it is asynchronous process.
rpc Put(PutRequest) returns (PutResponse);
// Delete container removes it from the inner ring container storage. It
// also asynchronous process done by consensus.
rpc Delete(DeleteRequest) returns (DeleteResponse);
// Get container returns container instance
rpc Get(GetRequest) returns (GetResponse);
// List returns all user's containers
rpc List(ListRequest) returns (ListResponse);
}
message PutRequest {
// MessageID is a nonce for uniq container id calculation
bytes MessageID = 1 [(gogoproto.customtype) = "MessageID", (gogoproto.nullable) = false];
// Capacity defines amount of data that can be stored in the container (doesn't used for now).
uint64 Capacity = 2;
// OwnerID is a wallet address
bytes OwnerID = 3 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// Rules define storage policy for the object inside the container.
netmap.PlacementRule rules = 4 [(gogoproto.nullable) = false];
// Container ACL.
AccessGroup Group = 5 [(gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message PutResponse {
// CID (container id) is a SHA256 hash of the container structure
bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
}
message DeleteRequest {
// CID (container id) is a SHA256 hash of the container structure
bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// DeleteResponse is empty because delete operation is asynchronous and done
// via consensus in inner ring nodes
message DeleteResponse { }
message GetRequest {
// CID (container id) is a SHA256 hash of the container structure
bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message GetResponse {
// Container is a structure that contains placement rules and owner id
container.Container Container = 1;
}
message ListRequest {
// OwnerID is a wallet address
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message ListResponse {
// CID (container id) is list of SHA256 hashes of the container structures
repeated bytes CID = 1 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
}

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syntax = "proto3";
package container;
option go_package = "github.com/nspcc-dev/neofs-proto/container";
import "github.com/nspcc-dev/netmap/selector.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// The Container service definition.
message Container {
// OwnerID is a wallet address.
bytes OwnerID = 1 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// Salt is a nonce for unique container id calculation.
bytes Salt = 2 [(gogoproto.customtype) = "UUID", (gogoproto.nullable) = false];
// Capacity defines amount of data that can be stored in the container (doesn't used for now).
uint64 Capacity = 3;
// Rules define storage policy for the object inside the container.
netmap.PlacementRule Rules = 4 [(gogoproto.nullable) = false];
// Container ACL.
AccessControlList List = 5 [(gogoproto.nullable) = false];
}
message AccessGroup {
// Group access mode.
uint32 AccessMode = 1;
// Group members.
repeated bytes UserGroup = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
}
message AccessControlList {
// List of access groups.
repeated AccessGroup List = 1 [(gogoproto.nullable) = false];
}

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syntax = "proto3";
package decimal;
option go_package = "github.com/nspcc-dev/neofs-proto/decimal";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Decimal is a structure used for representation of assets amount
message Decimal {
option (gogoproto.goproto_stringer) = false;
// Value is value number
int64 Value = 1;
// Precision is precision number
uint32 Precision = 2;
}

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syntax = "proto3";
package object;
option go_package = "github.com/nspcc-dev/neofs-proto/object";
import "refs/types.proto";
import "object/types.proto";
import "session/types.proto";
import "service/meta.proto";
import "service/verify.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Object service provides API for manipulating with the object.
service Service {
// Get the object from container. Response uses gRPC stream. First response
// message carry object of requested address. Chunk messages are parts of
// the object's payload if it is needed. All messages except first carry
// chunks. Requested object can be restored by concatenation of object
// message payload and all chunks keeping receiving order.
rpc Get(GetRequest) returns (stream GetResponse);
// Put the object into container. Request uses gRPC stream. First message
// SHOULD BE type of PutHeader. Container id and Owner id of object SHOULD
// BE set. Session token SHOULD BE obtained before put operation (see
// session package). Chunk messages considered by server as part of object
// payload. All messages except first SHOULD BE chunks. Chunk messages
// SHOULD BE sent in direct order of fragmentation.
rpc Put(stream PutRequest) returns (PutResponse);
// Delete the object from a container
rpc Delete(DeleteRequest) returns (DeleteResponse);
// Head returns the object without data payload. Object in the
// response has system header only. If full headers flag is set, extended
// headers are also present.
rpc Head(HeadRequest) returns (HeadResponse);
// Search objects in container. Version of query language format SHOULD BE
// set to 1. Search query represented in serialized format (see query
// package).
rpc Search(SearchRequest) returns (SearchResponse);
// GetRange of data payload. Ranges are set of pairs (offset, length).
// Fragments order in response corresponds to ranges order in request.
rpc GetRange(GetRangeRequest) returns (GetRangeResponse);
// GetRangeHash returns homomorphic hash of object payload range after XOR
// operation. Ranges are set of pairs (offset, length). Hashes order in
// response corresponds to ranges order in request. Homomorphic hash is
// calculated for XORed data.
rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse);
}
message GetRequest {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false];
// Raw is the request flag of a physically stored representation of an object
bool Raw = 2;
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message GetResponse {
oneof R {
// Object header and some payload
Object object = 1;
// Chunk of remaining payload
bytes Chunk = 2;
}
}
message PutRequest {
message PutHeader {
// Object with at least container id and owner id fields
Object Object = 1;
// Token with session public key and user's signature
session.Token Token = 2;
}
oneof R {
// Header should be the first message in the stream
PutHeader Header = 1;
// Chunk should be a remaining message in stream should be chunks
bytes Chunk = 2;
}
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message PutResponse {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false];
}
message DeleteRequest {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false];
// OwnerID is a wallet address
bytes OwnerID = 2 [(gogoproto.nullable) = false, (gogoproto.customtype) = "OwnerID"];
// Token with session public key and user's signature
session.Token Token = 3;
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// DeleteResponse is empty because we cannot guarantee permanent object removal
// in distributed system.
message DeleteResponse {}
message HeadRequest {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false, (gogoproto.customtype) = "Address"];
// FullHeaders can be set true for extended headers in the object
bool FullHeaders = 2;
// Raw is the request flag of a physically stored representation of an object
bool Raw = 3;
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message HeadResponse {
// Object without payload
Object Object = 1;
}
message SearchRequest {
// ContainerID for searching the object
bytes ContainerID = 1 [(gogoproto.nullable) = false, (gogoproto.customtype) = "CID"];
// Query in the binary serialized format
bytes Query = 2;
// QueryVersion is a version of search query format
uint32 QueryVersion = 3;
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message SearchResponse {
// Addresses of found objects
repeated refs.Address Addresses = 1 [(gogoproto.nullable) = false];
}
message GetRangeRequest {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false];
// Ranges of object's payload to return
repeated Range Ranges = 2 [(gogoproto.nullable) = false];
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message GetRangeResponse {
// Fragments of object's payload
repeated bytes Fragments = 1;
}
message GetRangeHashRequest {
// Address of object (container id + object id)
refs.Address Address = 1 [(gogoproto.nullable) = false];
// Ranges of object's payload to calculate homomorphic hash
repeated Range Ranges = 2 [(gogoproto.nullable) = false];
// Salt is used to XOR object's payload ranges before hashing, it can be nil
bytes Salt = 3;
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message GetRangeHashResponse {
// Hashes is a homomorphic hashes of all ranges
repeated bytes Hashes = 1 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false];
}

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syntax = "proto3";
package object;
option go_package = "github.com/nspcc-dev/neofs-proto/object";
import "refs/types.proto";
import "session/types.proto";
import "storagegroup/types.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message Range {
// Offset of the data range
uint64 Offset = 1;
// Length of the data range
uint64 Length = 2;
}
message UserHeader {
// Key of the user's header
string Key = 1;
// Value of the user's header
string Value = 2;
}
message Header {
oneof Value {
// Link to other objects
Link Link = 1;
// Redirect not used yet
refs.Address Redirect = 2;
// UserHeader is a set of KV headers defined by user
UserHeader UserHeader = 3;
// Transform defines transform operation (e.g. payload split)
Transform Transform = 4;
// Tombstone header that set up in deleted objects
Tombstone Tombstone = 5;
// Verify header that contains session public key and user's signature
session.VerificationHeader Verify = 6;
// HomoHash is a homomorphic hash of original object payload
bytes HomoHash = 7 [(gogoproto.customtype) = "Hash"];
// PayloadChecksum of actual object's payload
bytes PayloadChecksum = 8;
// Integrity header with checksum of all above headers in the object
IntegrityHeader Integrity = 9;
// StorageGroup contains meta information for the data audit
storagegroup.StorageGroup StorageGroup = 10;
// PublicKey of owner of the object. Key is used for verification and can be based on NeoID or x509 cert.
PublicKey PublicKey = 11;
}
}
message Tombstone {}
message SystemHeader {
// Version of the object structure
uint64 Version = 1;
// PayloadLength is an object payload length
uint64 PayloadLength = 2;
// ID is an object identifier, is a valid UUIDv4
bytes ID = 3 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false];
// OwnerID is a wallet address
bytes OwnerID = 4 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// CID is a SHA256 hash of the container structure (container identifier)
bytes CID = 5 [(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
// CreatedAt is a timestamp of object creation
CreationPoint CreatedAt = 6 [(gogoproto.nullable) = false];
}
message CreationPoint {
// UnixTime is a date of creation in unixtime format
int64 UnixTime = 1;
// Epoch is a date of creation in NeoFS epochs
uint64 Epoch = 2;
}
message IntegrityHeader {
// HeadersChecksum is a checksum of all above headers in the object
bytes HeadersChecksum = 1;
// ChecksumSignature is an user's signature of checksum to verify if it is correct
bytes ChecksumSignature = 2;
}
message Link {
enum Type {
Unknown = 0;
// Parent object created during object transformation
Parent = 1;
// Previous object in the linked list created during object transformation
Previous = 2;
// Next object in the linked list created during object transformation
Next = 3;
// Child object created during object transformation
Child = 4;
// Object that included into this storage group
StorageGroup = 5;
}
// Type of link
Type type = 1;
// ID is an object identifier, is a valid UUIDv4
bytes ID = 2 [(gogoproto.customtype) = "ID", (gogoproto.nullable) = false];
}
message Transform {
enum Type {
Unknown = 0;
// Split sets when object created after payload split
Split = 1;
// Sign sets when object created after re-signing (doesn't used)
Sign = 2;
// Mould sets when object created after filling missing headers in the object
Mould = 3;
}
// Type of object transformation
Type type = 1;
}
message Object {
// SystemHeader describes system header
SystemHeader SystemHeader = 1 [(gogoproto.nullable) = false];
// Headers describes a set of an extended headers
repeated Header Headers = 2 [(gogoproto.nullable) = false];
// Payload is an object's payload
bytes Payload = 3;
}
message PublicKey {
// Value contains marshaled ecdsa public key
bytes Value = 1;
}

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [accounting/service.proto](#accounting/service.proto)
- Services
- [Accounting](#accounting.Accounting)
- Messages
- [BalanceRequest](#accounting.BalanceRequest)
- [BalanceResponse](#accounting.BalanceResponse)
- [accounting/types.proto](#accounting/types.proto)
- Messages
- [Account](#accounting.Account)
- [Balances](#accounting.Balances)
- [ContainerCreateTarget](#accounting.ContainerCreateTarget)
- [Lifetime](#accounting.Lifetime)
- [LockTarget](#accounting.LockTarget)
- [PayIO](#accounting.PayIO)
- [Settlement](#accounting.Settlement)
- [Settlement.Container](#accounting.Settlement.Container)
- [Settlement.Receiver](#accounting.Settlement.Receiver)
- [Settlement.Tx](#accounting.Settlement.Tx)
- [Tx](#accounting.Tx)
- [WithdrawTarget](#accounting.WithdrawTarget)
- [accounting/withdraw.proto](#accounting/withdraw.proto)
- Services
- [Withdraw](#accounting.Withdraw)
- Messages
- [DeleteRequest](#accounting.DeleteRequest)
- [DeleteResponse](#accounting.DeleteResponse)
- [GetRequest](#accounting.GetRequest)
- [GetResponse](#accounting.GetResponse)
- [Item](#accounting.Item)
- [ListRequest](#accounting.ListRequest)
- [ListResponse](#accounting.ListResponse)
- [PutRequest](#accounting.PutRequest)
- [PutResponse](#accounting.PutResponse)
- [Scalar Value Types](#scalar-value-types)
<a name="accounting/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## accounting/service.proto
<a name="accounting.Accounting"></a>
### Service "accounting.Accounting"
Accounting is a service that provides access for accounting balance
information
```
rpc Balance(BalanceRequest) returns (BalanceResponse);
```
#### Method Balance
Balance returns current balance status of the NeoFS user
| Name | Input | Output |
| ---- | ----- | ------ |
| Balance | [BalanceRequest](#accounting.BalanceRequest) | [BalanceResponse](#accounting.BalanceResponse) |
<!-- end services -->
<a name="accounting.BalanceRequest"></a>
### Message BalanceRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="accounting.BalanceResponse"></a>
### Message BalanceResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Balance | [decimal.Decimal](#decimal.Decimal) | | Balance contains current account balance state |
| LockAccounts | [Account](#accounting.Account) | repeated | LockAccounts contains information about locked funds. Locked funds appear when user pays for storage or withdraw assets. |
<!-- end messages -->
<!-- end enums -->
<a name="accounting/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## accounting/types.proto
<!-- end services -->
<a name="accounting.Account"></a>
### Message Account
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Address | [string](#string) | | Address is identifier of accounting record |
| ParentAddress | [string](#string) | | ParentAddress is identifier of parent accounting record |
| ActiveFunds | [decimal.Decimal](#decimal.Decimal) | | ActiveFunds is amount of active (non locked) funds for account |
| Lifetime | [Lifetime](#accounting.Lifetime) | | Lifetime is time until account is valid (used for lock accounts) |
| LockTarget | [LockTarget](#accounting.LockTarget) | | LockTarget is the purpose of lock funds (it might be withdraw or payment for storage) |
| LockAccounts | [Account](#accounting.Account) | repeated | LockAccounts contains child accounts with locked funds |
<a name="accounting.Balances"></a>
### Message Balances
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Accounts | [Account](#accounting.Account) | repeated | Accounts contains multiple account snapshots |
<a name="accounting.ContainerCreateTarget"></a>
### Message ContainerCreateTarget
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | | CID is container identifier |
<a name="accounting.Lifetime"></a>
### Message Lifetime
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| unit | [Lifetime.Unit](#accounting.Lifetime.Unit) | | Unit describes how lifetime is measured in account |
| Value | [int64](#int64) | | Value describes how long lifetime will be valid |
<a name="accounting.LockTarget"></a>
### Message LockTarget
LockTarget must be one of two options
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| WithdrawTarget | [WithdrawTarget](#accounting.WithdrawTarget) | | WithdrawTarget used when user requested withdraw |
| ContainerCreateTarget | [ContainerCreateTarget](#accounting.ContainerCreateTarget) | | ContainerCreateTarget used when user requested creation of container |
<a name="accounting.PayIO"></a>
### Message PayIO
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| BlockID | [uint64](#uint64) | | BlockID contains id of the NEO block where withdraw or deposit call was invoked |
| Transactions | [Tx](#accounting.Tx) | repeated | Transactions contains all transactions that founded in block and used for PayIO |
<a name="accounting.Settlement"></a>
### Message Settlement
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Epoch | [uint64](#uint64) | | Epoch contains an epoch when settlement was accepted |
| Transactions | [Settlement.Tx](#accounting.Settlement.Tx) | repeated | Transactions is a set of transactions |
<a name="accounting.Settlement.Container"></a>
### Message Settlement.Container
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | | CID is container identifier |
| SGIDs | [bytes](#bytes) | repeated | SGIDs is a set of storage groups that successfully passed the audit |
<a name="accounting.Settlement.Receiver"></a>
### Message Settlement.Receiver
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| To | [string](#string) | | To is the address of funds recipient |
| Amount | [decimal.Decimal](#decimal.Decimal) | | Amount is the amount of funds that will be sent |
<a name="accounting.Settlement.Tx"></a>
### Message Settlement.Tx
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| From | [string](#string) | | From is the address of the sender of funds |
| Container | [Settlement.Container](#accounting.Settlement.Container) | | Container that successfully had passed the audit |
| Receivers | [Settlement.Receiver](#accounting.Settlement.Receiver) | repeated | Receivers is a set of addresses of funds recipients |
<a name="accounting.Tx"></a>
### Message Tx
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| type | [Tx.Type](#accounting.Tx.Type) | | Type describes target of transaction |
| From | [string](#string) | | From describes sender of funds |
| To | [string](#string) | | To describes receiver of funds |
| Amount | [decimal.Decimal](#decimal.Decimal) | | Amount describes amount of funds |
| PublicKeys | [bytes](#bytes) | | PublicKeys contains public key of sender |
<a name="accounting.WithdrawTarget"></a>
### Message WithdrawTarget
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Cheque | [string](#string) | | Cheque is a string representation of cheque id |
<!-- end messages -->
<a name="accounting.Lifetime.Unit"></a>
### Lifetime.Unit
Unit can be Unlimited, based on NeoFS epoch or Neo block
| Name | Number | Description |
| ---- | ------ | ----------- |
| Unlimited | 0 | |
| NeoFSEpoch | 1 | |
| NeoBlock | 2 | |
<a name="accounting.Tx.Type"></a>
### Tx.Type
Type can be withdrawal, payIO or inner
| Name | Number | Description |
| ---- | ------ | ----------- |
| Unknown | 0 | |
| Withdraw | 1 | |
| PayIO | 2 | |
| Inner | 3 | |
<!-- end enums -->
<a name="accounting/withdraw.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## accounting/withdraw.proto
<a name="accounting.Withdraw"></a>
### Service "accounting.Withdraw"
Withdraw is a service that provides withdraw assets operations from the NeoFS
```
rpc Get(GetRequest) returns (GetResponse);
rpc Put(PutRequest) returns (PutResponse);
rpc List(ListRequest) returns (ListResponse);
rpc Delete(DeleteRequest) returns (DeleteResponse);
```
#### Method Get
Get returns cheque if it was signed by inner ring nodes
| Name | Input | Output |
| ---- | ----- | ------ |
| Get | [GetRequest](#accounting.GetRequest) | [GetResponse](#accounting.GetResponse) |
#### Method Put
Put ask inner ring nodes to sign a cheque for withdraw invoke
| Name | Input | Output |
| ---- | ----- | ------ |
| Put | [PutRequest](#accounting.PutRequest) | [PutResponse](#accounting.PutResponse) |
#### Method List
List shows all user's checks
| Name | Input | Output |
| ---- | ----- | ------ |
| List | [ListRequest](#accounting.ListRequest) | [ListResponse](#accounting.ListResponse) |
#### Method Delete
Delete allows user to remove unused cheque
| Name | Input | Output |
| ---- | ----- | ------ |
| Delete | [DeleteRequest](#accounting.DeleteRequest) | [DeleteResponse](#accounting.DeleteResponse) |
<!-- end services -->
<a name="accounting.DeleteRequest"></a>
### Message DeleteRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ID | [bytes](#bytes) | | ID is cheque identifier |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| MessageID | [bytes](#bytes) | | MessageID is a nonce for uniq request (UUIDv4) |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="accounting.DeleteResponse"></a>
### Message DeleteResponse
DeleteResponse is empty
<a name="accounting.GetRequest"></a>
### Message GetRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ID | [bytes](#bytes) | | ID is cheque identifier |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="accounting.GetResponse"></a>
### Message GetResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Withdraw | [Item](#accounting.Item) | | Withdraw is cheque with meta information |
<a name="accounting.Item"></a>
### Message Item
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ID | [bytes](#bytes) | | ID is a cheque identifier |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Amount | [decimal.Decimal](#decimal.Decimal) | | Amount of funds |
| Height | [uint64](#uint64) | | Height is the neo blockchain height until the cheque is valid |
| Payload | [bytes](#bytes) | | Payload contains cheque representation in bytes |
<a name="accounting.ListRequest"></a>
### Message ListRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="accounting.ListResponse"></a>
### Message ListResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Items | [Item](#accounting.Item) | repeated | Items is a set of cheques with meta information |
<a name="accounting.PutRequest"></a>
### Message PutRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Amount | [decimal.Decimal](#decimal.Decimal) | | Amount of funds |
| Height | [uint64](#uint64) | | Height is the neo blockchain height until the cheque is valid |
| MessageID | [bytes](#bytes) | | MessageID is a nonce for uniq request (UUIDv4) |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="accounting.PutResponse"></a>
### Message PutResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ID | [bytes](#bytes) | | ID is cheque identifier |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [bootstrap/service.proto](#bootstrap/service.proto)
- Services
- [Bootstrap](#bootstrap.Bootstrap)
- Messages
- [Request](#bootstrap.Request)
- [bootstrap/types.proto](#bootstrap/types.proto)
- Messages
- [NodeInfo](#bootstrap.NodeInfo)
- [SpreadMap](#bootstrap.SpreadMap)
- [Scalar Value Types](#scalar-value-types)
<a name="bootstrap/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## bootstrap/service.proto
<a name="bootstrap.Bootstrap"></a>
### Service "bootstrap.Bootstrap"
Bootstrap service allows neofs-node to connect to the network. Node should
perform at least one bootstrap request in the epoch to stay in the network
for the next epoch.
```
rpc Process(Request) returns (SpreadMap);
```
#### Method Process
Process is method that allows to register node in the network and receive actual netmap
| Name | Input | Output |
| ---- | ----- | ------ |
| Process | [Request](#bootstrap.Request) | [SpreadMap](#bootstrap.SpreadMap) |
<!-- end services -->
<a name="bootstrap.Request"></a>
### Message Request
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| type | [int32](#int32) | | Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2) |
| info | [NodeInfo](#bootstrap.NodeInfo) | | Info contains information about node |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<!-- end messages -->
<!-- end enums -->
<a name="bootstrap/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## bootstrap/types.proto
<!-- end services -->
<a name="bootstrap.NodeInfo"></a>
### Message NodeInfo
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [string](#string) | | Address is a node [multi-address](https://github.com/multiformats/multiaddr) |
| PubKey | [bytes](#bytes) | | PubKey is a compressed public key representation in bytes |
| Options | [string](#string) | repeated | Options is set of node optional information, such as storage capacity, node location, price and etc |
| Status | [uint64](#uint64) | | Status is bitmap status of the node |
<a name="bootstrap.SpreadMap"></a>
### Message SpreadMap
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Epoch | [uint64](#uint64) | | Epoch is current epoch for netmap |
| NetMap | [NodeInfo](#bootstrap.NodeInfo) | repeated | NetMap is a set of NodeInfos |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [container/service.proto](#container/service.proto)
- Services
- [Service](#container.Service)
- Messages
- [DeleteRequest](#container.DeleteRequest)
- [DeleteResponse](#container.DeleteResponse)
- [GetRequest](#container.GetRequest)
- [GetResponse](#container.GetResponse)
- [ListRequest](#container.ListRequest)
- [ListResponse](#container.ListResponse)
- [PutRequest](#container.PutRequest)
- [PutResponse](#container.PutResponse)
- [container/types.proto](#container/types.proto)
- Messages
- [AccessControlList](#container.AccessControlList)
- [AccessGroup](#container.AccessGroup)
- [Container](#container.Container)
- [Scalar Value Types](#scalar-value-types)
<a name="container/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## container/service.proto
<a name="container.Service"></a>
### Service "container.Service"
Container service provides API for manipulating with the container.
```
rpc Put(PutRequest) returns (PutResponse);
rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Get(GetRequest) returns (GetResponse);
rpc List(ListRequest) returns (ListResponse);
```
#### Method Put
Put request proposes container to the inner ring nodes. They will
accept new container if user has enough deposit. All containers
are accepted by the consensus, therefore it is asynchronous process.
| Name | Input | Output |
| ---- | ----- | ------ |
| Put | [PutRequest](#container.PutRequest) | [PutResponse](#container.PutResponse) |
#### Method Delete
Delete container removes it from the inner ring container storage. It
also asynchronous process done by consensus.
| Name | Input | Output |
| ---- | ----- | ------ |
| Delete | [DeleteRequest](#container.DeleteRequest) | [DeleteResponse](#container.DeleteResponse) |
#### Method Get
Get container returns container instance
| Name | Input | Output |
| ---- | ----- | ------ |
| Get | [GetRequest](#container.GetRequest) | [GetResponse](#container.GetResponse) |
#### Method List
List returns all user's containers
| Name | Input | Output |
| ---- | ----- | ------ |
| List | [ListRequest](#container.ListRequest) | [ListResponse](#container.ListResponse) |
<!-- end services -->
<a name="container.DeleteRequest"></a>
### Message DeleteRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | | CID (container id) is a SHA256 hash of the container structure |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="container.DeleteResponse"></a>
### Message DeleteResponse
DeleteResponse is empty because delete operation is asynchronous and done
via consensus in inner ring nodes
<a name="container.GetRequest"></a>
### Message GetRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | | CID (container id) is a SHA256 hash of the container structure |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="container.GetResponse"></a>
### Message GetResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Container | [Container](#container.Container) | | Container is a structure that contains placement rules and owner id |
<a name="container.ListRequest"></a>
### Message ListRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="container.ListResponse"></a>
### Message ListResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | repeated | CID (container id) is list of SHA256 hashes of the container structures |
<a name="container.PutRequest"></a>
### Message PutRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| MessageID | [bytes](#bytes) | | MessageID is a nonce for uniq container id calculation |
| Capacity | [uint64](#uint64) | | Capacity defines amount of data that can be stored in the container (doesn't used for now). |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| rules | [netmap.PlacementRule](#netmap.PlacementRule) | | Rules define storage policy for the object inside the container. |
| Group | [AccessGroup](#container.AccessGroup) | | Container ACL. |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="container.PutResponse"></a>
### Message PutResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| CID | [bytes](#bytes) | | CID (container id) is a SHA256 hash of the container structure |
<!-- end messages -->
<!-- end enums -->
<a name="container/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## container/types.proto
<!-- end services -->
<a name="container.AccessControlList"></a>
### Message AccessControlList
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| List | [AccessGroup](#container.AccessGroup) | repeated | List of access groups. |
<a name="container.AccessGroup"></a>
### Message AccessGroup
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| AccessMode | [uint32](#uint32) | | Group access mode. |
| UserGroup | [bytes](#bytes) | repeated | Group members. |
<a name="container.Container"></a>
### Message Container
The Container service definition.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address. |
| Salt | [bytes](#bytes) | | Salt is a nonce for unique container id calculation. |
| Capacity | [uint64](#uint64) | | Capacity defines amount of data that can be stored in the container (doesn't used for now). |
| Rules | [netmap.PlacementRule](#netmap.PlacementRule) | | Rules define storage policy for the object inside the container. |
| List | [AccessControlList](#container.AccessControlList) | | Container ACL. |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [decimal/decimal.proto](#decimal/decimal.proto)
- Messages
- [Decimal](#decimal.Decimal)
- [Scalar Value Types](#scalar-value-types)
<a name="decimal/decimal.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## decimal/decimal.proto
<!-- end services -->
<a name="decimal.Decimal"></a>
### Message Decimal
Decimal is a structure used for representation of assets amount
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Value | [int64](#int64) | | Value is value number |
| Precision | [uint32](#uint32) | | Precision is precision number |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [object/service.proto](#object/service.proto)
- Services
- [Service](#object.Service)
- Messages
- [DeleteRequest](#object.DeleteRequest)
- [DeleteResponse](#object.DeleteResponse)
- [GetRangeHashRequest](#object.GetRangeHashRequest)
- [GetRangeHashResponse](#object.GetRangeHashResponse)
- [GetRangeRequest](#object.GetRangeRequest)
- [GetRangeResponse](#object.GetRangeResponse)
- [GetRequest](#object.GetRequest)
- [GetResponse](#object.GetResponse)
- [HeadRequest](#object.HeadRequest)
- [HeadResponse](#object.HeadResponse)
- [PutRequest](#object.PutRequest)
- [PutRequest.PutHeader](#object.PutRequest.PutHeader)
- [PutResponse](#object.PutResponse)
- [SearchRequest](#object.SearchRequest)
- [SearchResponse](#object.SearchResponse)
- [object/types.proto](#object/types.proto)
- Messages
- [CreationPoint](#object.CreationPoint)
- [Header](#object.Header)
- [IntegrityHeader](#object.IntegrityHeader)
- [Link](#object.Link)
- [Object](#object.Object)
- [PublicKey](#object.PublicKey)
- [Range](#object.Range)
- [SystemHeader](#object.SystemHeader)
- [Tombstone](#object.Tombstone)
- [Transform](#object.Transform)
- [UserHeader](#object.UserHeader)
- [Scalar Value Types](#scalar-value-types)
<a name="object/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## object/service.proto
<a name="object.Service"></a>
### Service "object.Service"
Object service provides API for manipulating with the object.
```
rpc Get(GetRequest) returns (stream GetResponse);
rpc Put(stream PutRequest) returns (PutResponse);
rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Head(HeadRequest) returns (HeadResponse);
rpc Search(SearchRequest) returns (SearchResponse);
rpc GetRange(GetRangeRequest) returns (GetRangeResponse);
rpc GetRangeHash(GetRangeHashRequest) returns (GetRangeHashResponse);
```
#### Method Get
Get the object from container. Response uses gRPC stream. First response
message carry object of requested address. Chunk messages are parts of
the object's payload if it is needed. All messages except first carry
chunks. Requested object can be restored by concatenation of object
message payload and all chunks keeping receiving order.
| Name | Input | Output |
| ---- | ----- | ------ |
| Get | [GetRequest](#object.GetRequest) | [GetResponse](#object.GetResponse) |
#### Method Put
Put the object into container. Request uses gRPC stream. First message
SHOULD BE type of PutHeader. Container id and Owner id of object SHOULD
BE set. Session token SHOULD BE obtained before put operation (see
session package). Chunk messages considered by server as part of object
payload. All messages except first SHOULD BE chunks. Chunk messages
SHOULD BE sent in direct order of fragmentation.
| Name | Input | Output |
| ---- | ----- | ------ |
| Put | [PutRequest](#object.PutRequest) | [PutResponse](#object.PutResponse) |
#### Method Delete
Delete the object from a container
| Name | Input | Output |
| ---- | ----- | ------ |
| Delete | [DeleteRequest](#object.DeleteRequest) | [DeleteResponse](#object.DeleteResponse) |
#### Method Head
Head returns the object without data payload. Object in the
response has system header only. If full headers flag is set, extended
headers are also present.
| Name | Input | Output |
| ---- | ----- | ------ |
| Head | [HeadRequest](#object.HeadRequest) | [HeadResponse](#object.HeadResponse) |
#### Method Search
Search objects in container. Version of query language format SHOULD BE
set to 1. Search query represented in serialized format (see query
package).
| Name | Input | Output |
| ---- | ----- | ------ |
| Search | [SearchRequest](#object.SearchRequest) | [SearchResponse](#object.SearchResponse) |
#### Method GetRange
GetRange of data payload. Ranges are set of pairs (offset, length).
Fragments order in response corresponds to ranges order in request.
| Name | Input | Output |
| ---- | ----- | ------ |
| GetRange | [GetRangeRequest](#object.GetRangeRequest) | [GetRangeResponse](#object.GetRangeResponse) |
#### Method GetRangeHash
GetRangeHash returns homomorphic hash of object payload range after XOR
operation. Ranges are set of pairs (offset, length). Hashes order in
response corresponds to ranges order in request. Homomorphic hash is
calculated for XORed data.
| Name | Input | Output |
| ---- | ----- | ------ |
| GetRangeHash | [GetRangeHashRequest](#object.GetRangeHashRequest) | [GetRangeHashResponse](#object.GetRangeHashResponse) |
<!-- end services -->
<a name="object.DeleteRequest"></a>
### Message DeleteRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| Token | [session.Token](#session.Token) | | Token with session public key and user's signature |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.DeleteResponse"></a>
### Message DeleteResponse
DeleteResponse is empty because we cannot guarantee permanent object removal
in distributed system.
<a name="object.GetRangeHashRequest"></a>
### Message GetRangeHashRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| Ranges | [Range](#object.Range) | repeated | Ranges of object's payload to calculate homomorphic hash |
| Salt | [bytes](#bytes) | | Salt is used to XOR object's payload ranges before hashing, it can be nil |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.GetRangeHashResponse"></a>
### Message GetRangeHashResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Hashes | [bytes](#bytes) | repeated | Hashes is a homomorphic hashes of all ranges |
<a name="object.GetRangeRequest"></a>
### Message GetRangeRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| Ranges | [Range](#object.Range) | repeated | Ranges of object's payload to return |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.GetRangeResponse"></a>
### Message GetRangeResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Fragments | [bytes](#bytes) | repeated | Fragments of object's payload |
<a name="object.GetRequest"></a>
### Message GetRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| Raw | [bool](#bool) | | Raw is the request flag of a physically stored representation of an object |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.GetResponse"></a>
### Message GetResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| object | [Object](#object.Object) | | Object header and some payload |
| Chunk | [bytes](#bytes) | | Chunk of remaining payload |
<a name="object.HeadRequest"></a>
### Message HeadRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
| FullHeaders | [bool](#bool) | | FullHeaders can be set true for extended headers in the object |
| Raw | [bool](#bool) | | Raw is the request flag of a physically stored representation of an object |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.HeadResponse"></a>
### Message HeadResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Object | [Object](#object.Object) | | Object without payload |
<a name="object.PutRequest"></a>
### Message PutRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Header | [PutRequest.PutHeader](#object.PutRequest.PutHeader) | | Header should be the first message in the stream |
| Chunk | [bytes](#bytes) | | Chunk should be a remaining message in stream should be chunks |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.PutRequest.PutHeader"></a>
### Message PutRequest.PutHeader
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Object | [Object](#object.Object) | | Object with at least container id and owner id fields |
| Token | [session.Token](#session.Token) | | Token with session public key and user's signature |
<a name="object.PutResponse"></a>
### Message PutResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Address | [refs.Address](#refs.Address) | | Address of object (container id + object id) |
<a name="object.SearchRequest"></a>
### Message SearchRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerID | [bytes](#bytes) | | ContainerID for searching the object |
| Query | [bytes](#bytes) | | Query in the binary serialized format |
| QueryVersion | [uint32](#uint32) | | QueryVersion is a version of search query format |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="object.SearchResponse"></a>
### Message SearchResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Addresses | [refs.Address](#refs.Address) | repeated | Addresses of found objects |
<!-- end messages -->
<!-- end enums -->
<a name="object/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## object/types.proto
<!-- end services -->
<a name="object.CreationPoint"></a>
### Message CreationPoint
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| UnixTime | [int64](#int64) | | UnixTime is a date of creation in unixtime format |
| Epoch | [uint64](#uint64) | | Epoch is a date of creation in NeoFS epochs |
<a name="object.Header"></a>
### Message Header
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Link | [Link](#object.Link) | | Link to other objects |
| Redirect | [refs.Address](#refs.Address) | | Redirect not used yet |
| UserHeader | [UserHeader](#object.UserHeader) | | UserHeader is a set of KV headers defined by user |
| Transform | [Transform](#object.Transform) | | Transform defines transform operation (e.g. payload split) |
| Tombstone | [Tombstone](#object.Tombstone) | | Tombstone header that set up in deleted objects |
| Verify | [session.VerificationHeader](#session.VerificationHeader) | | Verify header that contains session public key and user's signature |
| HomoHash | [bytes](#bytes) | | HomoHash is a homomorphic hash of original object payload |
| PayloadChecksum | [bytes](#bytes) | | PayloadChecksum of actual object's payload |
| Integrity | [IntegrityHeader](#object.IntegrityHeader) | | Integrity header with checksum of all above headers in the object |
| StorageGroup | [storagegroup.StorageGroup](#storagegroup.StorageGroup) | | StorageGroup contains meta information for the data audit |
| PublicKey | [PublicKey](#object.PublicKey) | | PublicKey of owner of the object. Key is used for verification and can be based on NeoID or x509 cert. |
<a name="object.IntegrityHeader"></a>
### Message IntegrityHeader
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| HeadersChecksum | [bytes](#bytes) | | HeadersChecksum is a checksum of all above headers in the object |
| ChecksumSignature | [bytes](#bytes) | | ChecksumSignature is an user's signature of checksum to verify if it is correct |
<a name="object.Link"></a>
### Message Link
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| type | [Link.Type](#object.Link.Type) | | Type of link |
| ID | [bytes](#bytes) | | ID is an object identifier, is a valid UUIDv4 |
<a name="object.Object"></a>
### Message Object
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| SystemHeader | [SystemHeader](#object.SystemHeader) | | SystemHeader describes system header |
| Headers | [Header](#object.Header) | repeated | Headers describes a set of an extended headers |
| Payload | [bytes](#bytes) | | Payload is an object's payload |
<a name="object.PublicKey"></a>
### Message PublicKey
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Value | [bytes](#bytes) | | Value contains marshaled ecdsa public key |
<a name="object.Range"></a>
### Message Range
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Offset | [uint64](#uint64) | | Offset of the data range |
| Length | [uint64](#uint64) | | Length of the data range |
<a name="object.SystemHeader"></a>
### Message SystemHeader
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Version | [uint64](#uint64) | | Version of the object structure |
| PayloadLength | [uint64](#uint64) | | PayloadLength is an object payload length |
| ID | [bytes](#bytes) | | ID is an object identifier, is a valid UUIDv4 |
| OwnerID | [bytes](#bytes) | | OwnerID is a wallet address |
| CID | [bytes](#bytes) | | CID is a SHA256 hash of the container structure (container identifier) |
| CreatedAt | [CreationPoint](#object.CreationPoint) | | CreatedAt is a timestamp of object creation |
<a name="object.Tombstone"></a>
### Message Tombstone
<a name="object.Transform"></a>
### Message Transform
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| type | [Transform.Type](#object.Transform.Type) | | Type of object transformation |
<a name="object.UserHeader"></a>
### Message UserHeader
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Key | [string](#string) | | Key of the user's header |
| Value | [string](#string) | | Value of the user's header |
<!-- end messages -->
<a name="object.Link.Type"></a>
### Link.Type
| Name | Number | Description |
| ---- | ------ | ----------- |
| Unknown | 0 | |
| Parent | 1 | Parent object created during object transformation |
| Previous | 2 | Previous object in the linked list created during object transformation |
| Next | 3 | Next object in the linked list created during object transformation |
| Child | 4 | Child object created during object transformation |
| StorageGroup | 5 | Object that included into this storage group |
<a name="object.Transform.Type"></a>
### Transform.Type
| Name | Number | Description |
| ---- | ------ | ----------- |
| Unknown | 0 | |
| Split | 1 | Split sets when object created after payload split |
| Sign | 2 | Sign sets when object created after re-signing (doesn't used) |
| Mould | 3 | Mould sets when object created after filling missing headers in the object |
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [query/types.proto](#query/types.proto)
- Messages
- [Filter](#query.Filter)
- [Query](#query.Query)
- [Scalar Value Types](#scalar-value-types)
<a name="query/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## query/types.proto
<!-- end services -->
<a name="query.Filter"></a>
### Message Filter
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| type | [Filter.Type](#query.Filter.Type) | | Type of filter |
| Name | [string](#string) | | Name of field that should be filtered |
| Value | [string](#string) | | Value that should be used for filter |
<a name="query.Query"></a>
### Message Query
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Filters | [Filter](#query.Filter) | repeated | Filters is set of filters, should not be empty |
<!-- end messages -->
<a name="query.Filter.Type"></a>
### Filter.Type
| Name | Number | Description |
| ---- | ------ | ----------- |
| Exact | 0 | Exact sets when value of filter should be equal to the header value |
| Regex | 1 | Regex sets when value of filter should match the header value by the regular expression |
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [refs/types.proto](#refs/types.proto)
- Messages
- [Address](#refs.Address)
- [Scalar Value Types](#scalar-value-types)
<a name="refs/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## refs/types.proto
<!-- end services -->
<a name="refs.Address"></a>
### Message Address
Address of object (container id + object id)
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ObjectID | [bytes](#bytes) | | ObjectID is an object identifier, valid UUIDv4 represented in bytes |
| CID | [bytes](#bytes) | | CID is container identifier |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [service/meta.proto](#service/meta.proto)
- Messages
- [RequestMetaHeader](#service.RequestMetaHeader)
- [service/verify.proto](#service/verify.proto)
- Messages
- [RequestVerificationHeader](#service.RequestVerificationHeader)
- [RequestVerificationHeader.Sign](#service.RequestVerificationHeader.Sign)
- [RequestVerificationHeader.Signature](#service.RequestVerificationHeader.Signature)
- [Scalar Value Types](#scalar-value-types)
<a name="service/meta.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## service/meta.proto
<!-- end services -->
<a name="service.RequestMetaHeader"></a>
### Message RequestMetaHeader
RequestMetaHeader contains information about request meta headers
(should be embedded into message)
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| TTL | [uint32](#uint32) | | TTL must be larger than zero, it decreased in every NeoFS Node |
| Epoch | [uint64](#uint64) | | Epoch for user can be empty, because node sets epoch to the actual value |
| Version | [uint32](#uint32) | | Version defines protocol version TODO: not used for now, should be implemented in future |
<!-- end messages -->
<!-- end enums -->
<a name="service/verify.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## service/verify.proto
<!-- end services -->
<a name="service.RequestVerificationHeader"></a>
### Message RequestVerificationHeader
RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request
(should be embedded into message).
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Signatures | [RequestVerificationHeader.Signature](#service.RequestVerificationHeader.Signature) | repeated | Signatures is a set of signatures of every passed NeoFS Node |
<a name="service.RequestVerificationHeader.Sign"></a>
### Message RequestVerificationHeader.Sign
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Sign | [bytes](#bytes) | | Sign is signature of the request or session key. |
| Peer | [bytes](#bytes) | | Peer is compressed public key used for signature. |
<a name="service.RequestVerificationHeader.Signature"></a>
### Message RequestVerificationHeader.Signature
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Sign | [RequestVerificationHeader.Sign](#service.RequestVerificationHeader.Sign) | | Sign is a signature and public key of the request. |
| Origin | [RequestVerificationHeader.Sign](#service.RequestVerificationHeader.Sign) | | Origin used for requests, when trusted node changes it and re-sign with session key. If session key used for signature request, then Origin should contain public key of user and signed session key. |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [session/service.proto](#session/service.proto)
- Services
- [Session](#session.Session)
- Messages
- [CreateRequest](#session.CreateRequest)
- [CreateResponse](#session.CreateResponse)
- [session/types.proto](#session/types.proto)
- Messages
- [Token](#session.Token)
- [VerificationHeader](#session.VerificationHeader)
- [Scalar Value Types](#scalar-value-types)
<a name="session/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## session/service.proto
<a name="session.Session"></a>
### Service "session.Session"
```
rpc Create(stream CreateRequest) returns (stream CreateResponse);
```
#### Method Create
Create is a method that used to open a trusted session to manipulate
an object. In order to put or delete object client have to obtain session
token with trusted node. Trusted node will modify client's object
(add missing headers, checksums, homomorphic hash) and sign id with
session key. Session is established during 4-step handshake in one gRPC stream
- First client stream message SHOULD BE type of `CreateRequest_Init`.
- First server stream message SHOULD BE type of `CreateResponse_Unsigned`.
- Second client stream message SHOULD BE type of `CreateRequest_Signed`.
- Second server stream message SHOULD BE type of `CreateResponse_Result`.
| Name | Input | Output |
| ---- | ----- | ------ |
| Create | [CreateRequest](#session.CreateRequest) | [CreateResponse](#session.CreateResponse) |
<!-- end services -->
<a name="session.CreateRequest"></a>
### Message CreateRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Init | [Token](#session.Token) | | Init is a message to initialize session opening. Carry: owner of manipulation object; ID of manipulation object; token lifetime bounds. |
| Signed | [Token](#session.Token) | | Signed Init message response (Unsigned) from server with user private key |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="session.CreateResponse"></a>
### Message CreateResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Unsigned | [Token](#session.Token) | | Unsigned token with token ID and session public key generated on server side |
| Result | [Token](#session.Token) | | Result is a resulting token which can be used for object placing through an trusted intermediary |
<!-- end messages -->
<!-- end enums -->
<a name="session/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## session/types.proto
<!-- end services -->
<a name="session.Token"></a>
### Message Token
User token granting rights for object manipulation
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Header | [VerificationHeader](#session.VerificationHeader) | | Header carries verification data of session key |
| OwnerID | [bytes](#bytes) | | OwnerID is an owner of manipulation object |
| FirstEpoch | [uint64](#uint64) | | FirstEpoch is an initial epoch of token lifetime |
| LastEpoch | [uint64](#uint64) | | LastEpoch is a last epoch of token lifetime |
| ObjectID | [bytes](#bytes) | repeated | ObjectID is an object identifier of manipulation object |
| Signature | [bytes](#bytes) | | Signature is a token signature, signed by owner of manipulation object |
| ID | [bytes](#bytes) | | ID is a token identifier. valid UUIDv4 represented in bytes |
| PublicKeys | [bytes](#bytes) | repeated | PublicKeys associated with owner |
<a name="session.VerificationHeader"></a>
### Message VerificationHeader
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| PublicKey | [bytes](#bytes) | | PublicKey is a session public key |
| KeySignature | [bytes](#bytes) | | KeySignature is a session public key signature. Signed by trusted side |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [state/service.proto](#state/service.proto)
- Services
- [Status](#state.Status)
- Messages
- [DumpRequest](#state.DumpRequest)
- [DumpResponse](#state.DumpResponse)
- [HealthRequest](#state.HealthRequest)
- [HealthResponse](#state.HealthResponse)
- [MetricsRequest](#state.MetricsRequest)
- [MetricsResponse](#state.MetricsResponse)
- [NetmapRequest](#state.NetmapRequest)
- [Scalar Value Types](#scalar-value-types)
<a name="state/service.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## state/service.proto
<a name="state.Status"></a>
### Service "state.Status"
Status service provides node's healthcheck and status info
```
rpc Netmap(NetmapRequest) returns (.bootstrap.SpreadMap);
rpc Metrics(MetricsRequest) returns (MetricsResponse);
rpc HealthCheck(HealthRequest) returns (HealthResponse);
rpc DumpConfig(DumpRequest) returns (DumpResponse);
```
#### Method Netmap
Netmap request allows to receive current [bootstrap.SpreadMap](bootstrap.md#bootstrap.SpreadMap)
| Name | Input | Output |
| ---- | ----- | ------ |
| Netmap | [NetmapRequest](#state.NetmapRequest) | [.bootstrap.SpreadMap](#bootstrap.SpreadMap) |
#### Method Metrics
Metrics request allows to receive metrics in prometheus format
| Name | Input | Output |
| ---- | ----- | ------ |
| Metrics | [MetricsRequest](#state.MetricsRequest) | [MetricsResponse](#state.MetricsResponse) |
#### Method HealthCheck
HealthCheck request allows to check health status of the node.
If node unhealthy field Status would contains detailed info.
| Name | Input | Output |
| ---- | ----- | ------ |
| HealthCheck | [HealthRequest](#state.HealthRequest) | [HealthResponse](#state.HealthResponse) |
#### Method DumpConfig
DumpConfig request allows dumping settings for the current node.
To permit access, used server config options.
The request should be signed.
| Name | Input | Output |
| ---- | ----- | ------ |
| DumpConfig | [DumpRequest](#state.DumpRequest) | [DumpResponse](#state.DumpResponse) |
<!-- end services -->
<a name="state.DumpRequest"></a>
### Message DumpRequest
DumpRequest message to fetch current server config.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="state.DumpResponse"></a>
### Message DumpResponse
DumpResponse message contains current server config.
Config stored in JSON encoded into slice of bytes.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Config | [bytes](#bytes) | | |
<a name="state.HealthRequest"></a>
### Message HealthRequest
HealthRequest message to check current state
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="state.HealthResponse"></a>
### Message HealthResponse
HealthResponse message with current state
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Healthy | [bool](#bool) | | Healthy is true when node alive and healthy |
| Status | [string](#string) | | Status contains detailed information about health status |
<a name="state.MetricsRequest"></a>
### Message MetricsRequest
MetricsRequest message to request node metrics
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<a name="state.MetricsResponse"></a>
### Message MetricsResponse
MetricsResponse contains [][]byte,
every []byte is marshaled MetricFamily proto message
from github.com/prometheus/client_model/metrics.proto
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Metrics | [bytes](#bytes) | repeated | |
<a name="state.NetmapRequest"></a>
### Message NetmapRequest
NetmapRequest message to request current node netmap
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) | | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
| Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
<!-- end messages -->
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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# Protocol Documentation
<a name="top"></a>
## Table of Contents
- [storagegroup/types.proto](#storagegroup/types.proto)
- Messages
- [StorageGroup](#storagegroup.StorageGroup)
- [StorageGroup.Lifetime](#storagegroup.StorageGroup.Lifetime)
- [Scalar Value Types](#scalar-value-types)
<a name="storagegroup/types.proto"></a>
<p align="right"><a href="#top">Top</a></p>
## storagegroup/types.proto
<!-- end services -->
<a name="storagegroup.StorageGroup"></a>
### Message StorageGroup
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ValidationDataSize | [uint64](#uint64) | | ValidationDataSize is size of the all object's payloads included into storage group |
| ValidationHash | [bytes](#bytes) | | ValidationHash is homomorphic hash of all object's payloads included into storage group |
| lifetime | [StorageGroup.Lifetime](#storagegroup.StorageGroup.Lifetime) | | Lifetime is time until storage group is valid |
<a name="storagegroup.StorageGroup.Lifetime"></a>
### Message StorageGroup.Lifetime
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| unit | [StorageGroup.Lifetime.Unit](#storagegroup.StorageGroup.Lifetime.Unit) | | Unit is lifetime type |
| Value | [int64](#int64) | | Value for lifetime |
<!-- end messages -->
<a name="storagegroup.StorageGroup.Lifetime.Unit"></a>
### StorageGroup.Lifetime.Unit
| Name | Number | Description |
| ---- | ------ | ----------- |
| Unlimited | 0 | Unlimited set if storage group always valid |
| NeoFSEpoch | 1 | NeoFSEpoch set if storage group is valid until lifetime NeoFS epoch |
| UnixTime | 2 | UnixTime set if storage group is valid until lifetime unix timestamp |
<!-- end enums -->
## Scalar Value Types
| .proto Type | Notes | C++ Type | Java Type | Python Type |
| ----------- | ----- | -------- | --------- | ----------- |
| <a name="double" /> double | | double | double | float |
| <a name="float" /> float | | float | float | float |
| <a name="int32" /> int32 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint32 instead. | int32 | int | int |
| <a name="int64" /> int64 | Uses variable-length encoding. Inefficient for encoding negative numbers if your field is likely to have negative values, use sint64 instead. | int64 | long | int/long |
| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
| <a name="bool" /> bool | | bool | boolean | boolean |
| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |

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syntax = "proto3";
package query;
option go_package = "github.com/nspcc-dev/neofs-proto/query";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message Filter {
option (gogoproto.goproto_stringer) = false;
enum Type {
// Exact sets when value of filter should be equal to the header value
Exact = 0;
// Regex sets when value of filter should match the header value by the regular expression
Regex = 1;
}
// Type of filter
Type type = 1 [(gogoproto.customname) = "Type"];
// Name of field that should be filtered
string Name = 2;
// Value that should be used for filter
string Value = 3;
}
message Query {
option (gogoproto.goproto_stringer) = false;
// Filters is set of filters, should not be empty
repeated Filter Filters = 1 [(gogoproto.nullable) = false];
}

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syntax = "proto3";
package refs;
option go_package = "github.com/nspcc-dev/neofs-proto/refs";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
option (gogoproto.stringer_all) = false;
option (gogoproto.goproto_stringer_all) = false;
// Address of object (container id + object id)
message Address {
// ObjectID is an object identifier, valid UUIDv4 represented in bytes
bytes ObjectID = 1[(gogoproto.customtype) = "ObjectID", (gogoproto.nullable) = false];
// CID is container identifier
bytes CID = 2[(gogoproto.customtype) = "CID", (gogoproto.nullable) = false];
}

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syntax = "proto3";
package service;
option go_package = "github.com/nspcc-dev/neofs-proto/service";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// RequestMetaHeader contains information about request meta headers
// (should be embedded into message)
message RequestMetaHeader {
// TTL must be larger than zero, it decreased in every NeoFS Node
uint32 TTL = 1;
// Epoch for user can be empty, because node sets epoch to the actual value
uint64 Epoch = 2;
// Version defines protocol version
// TODO: not used for now, should be implemented in future
uint32 Version = 3;
}

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syntax = "proto3";
package service;
option go_package = "github.com/nspcc-dev/neofs-proto/service";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request
// (should be embedded into message).
message RequestVerificationHeader {
message Sign {
// Sign is signature of the request or session key.
bytes Sign = 1;
// Peer is compressed public key used for signature.
bytes Peer = 2;
}
message Signature {
// Sign is a signature and public key of the request.
Sign Sign = 1 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// Origin used for requests, when trusted node changes it and re-sign with session key.
// If session key used for signature request, then Origin should contain
// public key of user and signed session key.
Sign Origin = 2;
}
// Signatures is a set of signatures of every passed NeoFS Node
repeated Signature Signatures = 1;
}

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syntax = "proto3";
package session;
option go_package = "github.com/nspcc-dev/neofs-proto/session";
import "session/types.proto";
import "service/meta.proto";
import "service/verify.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
service Session {
// Create is a method that used to open a trusted session to manipulate
// an object. In order to put or delete object client have to obtain session
// token with trusted node. Trusted node will modify client's object
// (add missing headers, checksums, homomorphic hash) and sign id with
// session key. Session is established during 4-step handshake in one gRPC stream
//
// - First client stream message SHOULD BE type of `CreateRequest_Init`.
// - First server stream message SHOULD BE type of `CreateResponse_Unsigned`.
// - Second client stream message SHOULD BE type of `CreateRequest_Signed`.
// - Second server stream message SHOULD BE type of `CreateResponse_Result`.
rpc Create (stream CreateRequest) returns (stream CreateResponse);
}
message CreateRequest {
// Message should be one of
oneof Message {
// Init is a message to initialize session opening. Carry:
// owner of manipulation object;
// ID of manipulation object;
// token lifetime bounds.
session.Token Init = 1;
// Signed Init message response (Unsigned) from server with user private key
session.Token Signed = 2;
}
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
message CreateResponse {
oneof Message {
// Unsigned token with token ID and session public key generated on server side
session.Token Unsigned = 1;
// Result is a resulting token which can be used for object placing through an trusted intermediary
session.Token Result = 2;
}
}

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syntax = "proto3";
package session;
option go_package = "github.com/nspcc-dev/neofs-proto/session";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message VerificationHeader {
// PublicKey is a session public key
bytes PublicKey = 1;
// KeySignature is a session public key signature. Signed by trusted side
bytes KeySignature = 2;
}
// User token granting rights for object manipulation
message Token {
// Header carries verification data of session key
VerificationHeader Header = 1 [(gogoproto.nullable) = false];
// OwnerID is an owner of manipulation object
bytes OwnerID = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
// FirstEpoch is an initial epoch of token lifetime
uint64 FirstEpoch = 3;
// LastEpoch is a last epoch of token lifetime
uint64 LastEpoch = 4;
// ObjectID is an object identifier of manipulation object
repeated bytes ObjectID = 5 [(gogoproto.customtype) = "ObjectID", (gogoproto.nullable) = false];
// Signature is a token signature, signed by owner of manipulation object
bytes Signature = 6;
// ID is a token identifier. valid UUIDv4 represented in bytes
bytes ID = 7 [(gogoproto.customtype) = "TokenID", (gogoproto.nullable) = false];
// PublicKeys associated with owner
repeated bytes PublicKeys = 8;
}

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syntax = "proto3";
package state;
option go_package = "github.com/nspcc-dev/neofs-proto/state";
import "service/meta.proto";
import "service/verify.proto";
import "bootstrap/types.proto";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
// Status service provides node's healthcheck and status info
service Status {
// Netmap request allows to receive current [bootstrap.SpreadMap](bootstrap.md#bootstrap.SpreadMap)
rpc Netmap(NetmapRequest) returns (bootstrap.SpreadMap);
// Metrics request allows to receive metrics in prometheus format
rpc Metrics(MetricsRequest) returns (MetricsResponse);
// HealthCheck request allows to check health status of the node.
// If node unhealthy field Status would contains detailed info.
rpc HealthCheck(HealthRequest) returns (HealthResponse);
// DumpConfig request allows dumping settings for the current node.
// To permit access, used server config options.
// The request should be signed.
rpc DumpConfig(DumpRequest) returns (DumpResponse);
}
// NetmapRequest message to request current node netmap
message NetmapRequest {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// MetricsRequest message to request node metrics
message MetricsRequest {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// MetricsResponse contains [][]byte,
// every []byte is marshaled MetricFamily proto message
// from github.com/prometheus/client_model/metrics.proto
message MetricsResponse {
repeated bytes Metrics = 1;
}
// HealthRequest message to check current state
message HealthRequest {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// HealthResponse message with current state
message HealthResponse {
// Healthy is true when node alive and healthy
bool Healthy = 1;
// Status contains detailed information about health status
string Status = 2;
}
// DumpRequest message to fetch current server config.
message DumpRequest {
// RequestMetaHeader contains information about request meta headers (should be embedded into message)
service.RequestMetaHeader Meta = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
service.RequestVerificationHeader Verify = 99 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
}
// DumpResponse message contains current server config.
// Config stored in JSON encoded into slice of bytes.
message DumpResponse {
bytes Config = 1;
}

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syntax = "proto3";
package storagegroup;
option go_package = "github.com/nspcc-dev/neofs-proto/storagegroup";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
option (gogoproto.stable_marshaler_all) = true;
message StorageGroup {
option (gogoproto.goproto_stringer) = false;
// ValidationDataSize is size of the all object's payloads included into storage group
uint64 ValidationDataSize = 1;
// ValidationHash is homomorphic hash of all object's payloads included into storage group
bytes ValidationHash = 2 [(gogoproto.customtype) = "Hash", (gogoproto.nullable) = false];
message Lifetime {
enum Unit {
// Unlimited set if storage group always valid
Unlimited = 0;
// NeoFSEpoch set if storage group is valid until lifetime NeoFS epoch
NeoFSEpoch = 1;
// UnixTime set if storage group is valid until lifetime unix timestamp
UnixTime = 2;
}
// Unit is lifetime type
Unit unit = 1 [(gogoproto.customname) = "Unit"];
// Value for lifetime
int64 Value = 2;
}
// Lifetime is time until storage group is valid
Lifetime lifetime = 3 [(gogoproto.customname) = "Lifetime"];
}