116 lines
4.5 KiB
Markdown
116 lines
4.5 KiB
Markdown
# Protocol Documentation
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<a name="top"></a>
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## Table of Contents
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- [accounting/service.proto](#accounting/service.proto)
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- Services
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- [Accounting](#accounting.Accounting)
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- Messages
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- [BalanceRequest](#accounting.BalanceRequest)
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- [BalanceResponse](#accounting.BalanceResponse)
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- [Decimal](#accounting.Decimal)
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- [Scalar Value Types](#scalar-value-types)
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<a name="accounting/service.proto"></a>
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<p align="right"><a href="#top">Top</a></p>
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## accounting/service.proto
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<a name="accounting.Accounting"></a>
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### Service "accounting.Accounting"
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The service provides methods for obtaining information
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about the account balance in NeoFS system.
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```
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rpc Balance(BalanceRequest) returns (BalanceResponse);
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```
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#### Method Balance
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Returns the amount of funds for the requested NeoFS account.
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| Name | Input | Output |
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| ---- | ----- | ------ |
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| Balance | [BalanceRequest](#accounting.BalanceRequest) | [BalanceResponse](#accounting.BalanceResponse) |
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<!-- end services -->
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<a name="accounting.BalanceRequest"></a>
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### Message BalanceRequest
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Message defines the request body of Balance method.
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To indicate the account for which the balance is requested, its identifier is used.
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To gain access to the requested information, the request body must be formed according
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to the requirements from the system specification.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| OwnerID | [refs.OwnerID](#refs.OwnerID) | | Carries user identifier in NeoFS system for which the balance is requested. |
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| MetaHeader | [service.RequestMetaHeader](#service.RequestMetaHeader) | | Carries request meta information. Header data is used only to regulate message transport and does not affect request execution. |
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| VerifyHeader | [service.RequestVerificationHeader](#service.RequestVerificationHeader) | | Carries request verification information. This header is used to authenticate the nodes of the message route and check the correctness of transmission. |
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<a name="accounting.BalanceResponse"></a>
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### Message BalanceResponse
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Message defines the response body of Balance method.
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The amount of funds is calculated in decimal numbers.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Balance | [Decimal](#accounting.Decimal) | | Carries the amount of funds on the account. |
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<a name="accounting.Decimal"></a>
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### Message Decimal
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Decimal represents the decimal numbers.
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| Value | [int64](#int64) | | Value carries number value. |
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| Precision | [uint32](#uint32) | | Precision carries value precision. |
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<!-- end messages -->
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<!-- end enums -->
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## Scalar Value Types
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| .proto Type | Notes | C++ Type | Java Type | Python Type |
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| ----------- | ----- | -------- | --------- | ----------- |
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| <a name="double" /> double | | double | double | float |
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| <a name="float" /> float | | float | float | float |
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| <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 |
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| <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 |
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| <a name="uint32" /> uint32 | Uses variable-length encoding. | uint32 | int | int/long |
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| <a name="uint64" /> uint64 | Uses variable-length encoding. | uint64 | long | int/long |
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| <a name="sint32" /> sint32 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int32s. | int32 | int | int |
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| <a name="sint64" /> sint64 | Uses variable-length encoding. Signed int value. These more efficiently encode negative numbers than regular int64s. | int64 | long | int/long |
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| <a name="fixed32" /> fixed32 | Always four bytes. More efficient than uint32 if values are often greater than 2^28. | uint32 | int | int |
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| <a name="fixed64" /> fixed64 | Always eight bytes. More efficient than uint64 if values are often greater than 2^56. | uint64 | long | int/long |
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| <a name="sfixed32" /> sfixed32 | Always four bytes. | int32 | int | int |
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| <a name="sfixed64" /> sfixed64 | Always eight bytes. | int64 | long | int/long |
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| <a name="bool" /> bool | | bool | boolean | boolean |
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| <a name="string" /> string | A string must always contain UTF-8 encoded or 7-bit ASCII text. | string | String | str/unicode |
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| <a name="bytes" /> bytes | May contain any arbitrary sequence of bytes. | string | ByteString | str |
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