diff --git a/object/service.proto b/object/service.proto
index 43c998b..73f28a0 100644
--- a/object/service.proto
+++ b/object/service.proto
@@ -817,3 +817,87 @@ message PutSingleResponse {
// transmission.
neo.fs.v2.session.ResponseVerificationHeader verify_header = 3;
}
+
+// Object PATCH request
+message PatchRequest {
+ // PATCH request body
+ message Body {
+ // Initial part of the patch stream. This part doesn't refer to any patch but only
+ // to specific info about the object for that patches are going to be applied.
+ message Init {
+ // The object's ID for which the patch is applied.
+ neo.fs.v2.refs.ObjectID object_id = 1;
+
+ // Object's Header
+ Header header = 2;
+ }
+
+ // The patch for attributes.
+ message AttributePatch {
+ // New attributes for the object. See `replace_attributes` flag usage to define how
+ // new attributes should be set.
+ repeated neo.fs.v2.object.Header.Attribute new_attributes = 1;
+
+ // If this flag is set, then the object's attributes will be entirely replaced by `new_attributes` list.
+ // The empty `new_attributes` list with `replace_attributes = true` just resets attributes list for the object.
+ //
+ // Default `false` value for this flag means the attributes will be just merged. If the incoming `new_attributes`
+ // list contains already existing key, then it just replaces it while merging the lists.
+ bool replace_attributes = 2;
+ }
+
+ // The patch for the object's payload.
+ message PayloadPatch {
+ // The range of the source object for which the payload is replaced by the patch's chunk.
+ // If the range's `length = 0`, then the patch's chunk is just appended to the original payload
+ // starting from the `offest` without any replace.
+ Range source_range = 1;
+
+ // The payload that is being appended to or that replaces the original payload on the given range.
+ bytes chunk = 2;
+ }
+
+ oneof patch_part {
+ // Initial part of the patch stream.
+ Init init = 1;
+
+ // The patch for attributes.
+ AttributePatch attr_patch = 2;
+
+ // The patch for the object's payload.
+ PayloadPatch payload_patch = 3;
+ }
+ }
+
+ // Body for patch request message.
+ Body body = 1;
+
+ // Carries request meta information. Header data is used only to regulate
+ // message transport and does not affect request execution.
+ neo.fs.v2.session.RequestMetaHeader meta_header = 2;
+
+ // Carries request verification information. This header is used to
+ // authenticate the nodes of the message route and check the correctness of
+ // transmission.
+ neo.fs.v2.session.RequestVerificationHeader verify_header = 3;
+}
+
+// Object PATCH response
+message PatchResponse {
+ // PATCH response body
+ message Body {
+ // The object's ID for which the patch has been applied.
+ neo.fs.v2.refs.ObjectID object_id = 1;
+ }
+
+ // Body for patch response message.
+ Body body = 1;
+
+ // Carries response meta information. Header data is used only to regulate
+ // message transport and does not affect request execution.
+ neo.fs.v2.session.ResponseMetaHeader meta_header = 2;
+
+ // Carries response verification information. This header is used to authenticate
+ // the nodes of the message route and check the correctness of transmission.
+ neo.fs.v2.session.ResponseVerificationHeader verify_header = 3;
+}
diff --git a/proto-docs/object.md b/proto-docs/object.md
index c141a60..23fcbc2 100644
--- a/proto-docs/object.md
+++ b/proto-docs/object.md
@@ -30,6 +30,13 @@
- [HeadResponse](#neo.fs.v2.object.HeadResponse)
- [HeadResponse.Body](#neo.fs.v2.object.HeadResponse.Body)
- [HeaderWithSignature](#neo.fs.v2.object.HeaderWithSignature)
+ - [PatchRequest](#neo.fs.v2.object.PatchRequest)
+ - [PatchRequest.Body](#neo.fs.v2.object.PatchRequest.Body)
+ - [PatchRequest.Body.AttributePatch](#neo.fs.v2.object.PatchRequest.Body.AttributePatch)
+ - [PatchRequest.Body.Init](#neo.fs.v2.object.PatchRequest.Body.Init)
+ - [PatchRequest.Body.PayloadPatch](#neo.fs.v2.object.PatchRequest.Body.PayloadPatch)
+ - [PatchResponse](#neo.fs.v2.object.PatchResponse)
+ - [PatchResponse.Body](#neo.fs.v2.object.PatchResponse.Body)
- [PutRequest](#neo.fs.v2.object.PutRequest)
- [PutRequest.Body](#neo.fs.v2.object.PutRequest.Body)
- [PutRequest.Body.Init](#neo.fs.v2.object.PutRequest.Body.Init)
@@ -691,6 +698,95 @@ following steps:
| signature | [neo.fs.v2.refs.Signature](#neo.fs.v2.refs.Signature) | | Signed `ObjectID` to verify full header's authenticity |
+
+
+### Message PatchRequest
+Object PATCH request
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| body | [PatchRequest.Body](#neo.fs.v2.object.PatchRequest.Body) | | Body for patch request message. |
+| meta_header | [neo.fs.v2.session.RequestMetaHeader](#neo.fs.v2.session.RequestMetaHeader) | | Carries request meta information. Header data is used only to regulate message transport and does not affect request execution. |
+| verify_header | [neo.fs.v2.session.RequestVerificationHeader](#neo.fs.v2.session.RequestVerificationHeader) | | Carries request verification information. This header is used to authenticate the nodes of the message route and check the correctness of transmission. |
+
+
+
+
+### Message PatchRequest.Body
+PATCH request body
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| init | [PatchRequest.Body.Init](#neo.fs.v2.object.PatchRequest.Body.Init) | | Initial part of the patch stream. |
+| attr_patch | [PatchRequest.Body.AttributePatch](#neo.fs.v2.object.PatchRequest.Body.AttributePatch) | | The patch for attributes. |
+| payload_patch | [PatchRequest.Body.PayloadPatch](#neo.fs.v2.object.PatchRequest.Body.PayloadPatch) | | The patch for the object's payload. |
+
+
+
+
+### Message PatchRequest.Body.AttributePatch
+The patch for attributes.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| new_attributes | [Header.Attribute](#neo.fs.v2.object.Header.Attribute) | repeated | New attributes for the object. See `replace_attributes` flag usage to define how new attributes should be set. |
+| replace_attributes | [bool](#bool) | | If this flag is set, then the object's attributes will be entirely replaced by `new_attributes` list. The empty `new_attributes` list with `replace_attributes = true` just resets attributes list for the object.
+
+Default `false` value for this flag means the attributes will be just merged. If the incoming `new_attributes` list contains already existing key, then it just replaces it while merging the lists. |
+
+
+
+
+### Message PatchRequest.Body.Init
+Initial part of the patch stream. This part doesn't refer to any patch but only
+to specific info about the object for that patches are going to be applied.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| object_id | [neo.fs.v2.refs.ObjectID](#neo.fs.v2.refs.ObjectID) | | The object's ID for which the patch is applied. |
+| header | [Header](#neo.fs.v2.object.Header) | | Object's Header |
+
+
+
+
+### Message PatchRequest.Body.PayloadPatch
+The patch for the object's payload.
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| source_range | [Range](#neo.fs.v2.object.Range) | | The range of the source object for which the payload is replaced by the patch's chunk. If the range's `length = 0`, then the patch's chunk is just appended to the original payload starting from the `offest` without any replace. |
+| chunk | [bytes](#bytes) | | The payload that is being appended to or that replaces the original payload on the given range. |
+
+
+
+
+### Message PatchResponse
+Object PATCH response
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| body | [PatchResponse.Body](#neo.fs.v2.object.PatchResponse.Body) | | Body for patch response message. |
+| meta_header | [neo.fs.v2.session.ResponseMetaHeader](#neo.fs.v2.session.ResponseMetaHeader) | | Carries response meta information. Header data is used only to regulate message transport and does not affect request execution. |
+| verify_header | [neo.fs.v2.session.ResponseVerificationHeader](#neo.fs.v2.session.ResponseVerificationHeader) | | Carries response verification information. This header is used to authenticate the nodes of the message route and check the correctness of transmission. |
+
+
+
+
+### Message PatchResponse.Body
+PATCH response body
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| object_id | [neo.fs.v2.refs.ObjectID](#neo.fs.v2.refs.ObjectID) | | The object's ID for which the patch has been applied. |
+
+
### Message PutRequest