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frostfs-api/proto-docs/container.md
Leonard Lyubich 40420f3ab0 [#31] refs: Use OwnerID message in all services 
Change the type of all fields for identifier of the container owner to
refs.OwnerID. This will allow you to follow a single format and not duplicate
its description.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-08-06 22:00:01 +03:00

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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)
- [GetExtendedACLRequest](#container.GetExtendedACLRequest)
- [GetExtendedACLResponse](#container.GetExtendedACLResponse)
- [GetRequest](#container.GetRequest)
- [GetResponse](#container.GetResponse)
- [ListRequest](#container.ListRequest)
- [ListResponse](#container.ListResponse)
- [PutRequest](#container.PutRequest)
- [PutResponse](#container.PutResponse)
- [SetExtendedACLRequest](#container.SetExtendedACLRequest)
- [SetExtendedACLResponse](#container.SetExtendedACLResponse)
- [container/types.proto](#container/types.proto)
- Messages
- [Attribute](#container.Attribute)
- [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"
Service provides API to access container smart-contract in morph chain
via NeoFS node.
```
rpc Put(PutRequest) returns (PutResponse);
rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Get(GetRequest) returns (GetResponse);
rpc List(ListRequest) returns (ListResponse);
rpc SetExtendedACL(SetExtendedACLRequest) returns (SetExtendedACLResponse);
rpc GetExtendedACL(GetExtendedACLRequest) returns (GetExtendedACLResponse);
```
#### Method Put
Put invokes 'Put' method in container smart-contract and returns
response immediately. After new block in morph chain, request is verified
by inner ring nodes. After one more block in morph chain, container
added into smart-contract storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| Put | [PutRequest](#container.PutRequest) | [PutResponse](#container.PutResponse) |
#### Method Delete
Delete invokes 'Delete' method in container smart-contract and returns
response immediately. After new block in morph chain, request is verified
by inner ring nodes. After one more block in morph chain, container
removed from smart-contract storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| Delete | [DeleteRequest](#container.DeleteRequest) | [DeleteResponse](#container.DeleteResponse) |
#### Method Get
Get returns container from container smart-contract storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| Get | [GetRequest](#container.GetRequest) | [GetResponse](#container.GetResponse) |
#### Method List
List returns all owner's containers from container smart-contract
storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| List | [ListRequest](#container.ListRequest) | [ListResponse](#container.ListResponse) |
#### Method SetExtendedACL
SetExtendedACL invokes 'SetEACL' method in container smart-contract and
returns response immediately. After new block in morph chain,
Extended ACL added into smart-contract storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| SetExtendedACL | [SetExtendedACLRequest](#container.SetExtendedACLRequest) | [SetExtendedACLResponse](#container.SetExtendedACLResponse) |
#### Method GetExtendedACL
GetExtendedACL returns Extended ACL table and signature from container
smart-contract storage.
| Name | Input | Output |
| ---- | ----- | ------ |
| GetExtendedACL | [GetExtendedACLRequest](#container.GetExtendedACLRequest) | [GetExtendedACLResponse](#container.GetExtendedACLResponse) |
<!-- end services -->
<a name="container.DeleteRequest"></a>
### Message DeleteRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerID | [refs.ContainerID](#refs.ContainerID) | | ContainerID carries identifier of the container to delete from NeoFS. |
| Signature | [bytes](#bytes) | | Signature of container id according to RFC-6979. |
<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.GetExtendedACLRequest"></a>
### Message GetExtendedACLRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerID | [refs.ContainerID](#refs.ContainerID) | | ContainerID carries identifier of the container that has Extended ACL. |
<a name="container.GetExtendedACLResponse"></a>
### Message GetExtendedACLResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| EACL | [acl.EACLTable](#acl.EACLTable) | | EACL that has been requested if it was set up. |
| Signature | [bytes](#bytes) | | Signature of stable-marshalled Extended ACL according to RFC-6979. |
<a name="container.GetRequest"></a>
### Message GetRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerID | [refs.ContainerID](#refs.ContainerID) | | ContainerID carries identifier of the container to get. |
<a name="container.GetResponse"></a>
### Message GetResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Container | [Container](#container.Container) | | Container that has been requested. |
<a name="container.ListRequest"></a>
### Message ListRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [refs.OwnerID](#refs.OwnerID) | | OwnerID carries identifier of the container owner. |
<a name="container.ListResponse"></a>
### Message ListResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerIDs | [refs.ContainerID](#refs.ContainerID) | repeated | ContainerIDs carries list of identifiers of the containers that belong to the owner. |
<a name="container.PutRequest"></a>
### Message PutRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Container | [Container](#container.Container) | | Container to create in NeoFS. |
| PublicKey | [bytes](#bytes) | | PublicKey of container owner. It can be public key of the owner or it can be public key that bound in neofs.id smart-contract. |
| Signature | [bytes](#bytes) | | Signature of stable-marshalled container according to RFC-6979. |
<a name="container.PutResponse"></a>
### Message PutResponse
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| ContainerID | [refs.ContainerID](#refs.ContainerID) | | ContainerID carries identifier of the new container. |
<a name="container.SetExtendedACLRequest"></a>
### Message SetExtendedACLRequest
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| EACL | [acl.EACLTable](#acl.EACLTable) | | EACL to set for the container. |
| Signature | [bytes](#bytes) | | Signature of stable-marshalled Extended ACL according to RFC-6979. |
<a name="container.SetExtendedACLResponse"></a>
### Message SetExtendedACLResponse
<!-- 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.Attribute"></a>
### Message Attribute
Attribute is a key-value pair of strings.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| Key | [string](#string) | | Key of immutable container attribute. |
| Value | [string](#string) | | Value of immutable container attribute. |
<a name="container.Container"></a>
### Message Container
Container is a structure that defines object placement behaviour. Objects
can be stored only within containers. They define placement rule, attributes
and access control information. ID of the container is a 32 byte long
SHA256 hash of stable-marshalled container message.
| Field | Type | Label | Description |
| ----- | ---- | ----- | ----------- |
| OwnerID | [refs.OwnerID](#refs.OwnerID) | | OwnerID carries identifier of the container owner. |
| Nonce | [bytes](#bytes) | | Nonce is a 16 byte UUID, used to avoid collisions of container id. |
| BasicACL | [uint32](#uint32) | | BasicACL contains access control rules for owner, system, others groups and permission bits for bearer token and Extended ACL. |
| Attributes | [Attribute](#container.Attribute) | repeated | Attributes define any immutable characteristics of container. |
| Rules | [netmap.PlacementRule](#netmap.PlacementRule) | | Rules define storage policy for the object inside the container. |
<!-- 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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