frostfs-api-go/docs/accounting.md

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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 |
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| 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) |
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| 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 |
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| 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 |
| ----- | ---- | ----- | ----------- |
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| 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 |
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| 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 |
| ----- | ---- | ----- | ----------- |
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| 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) |
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| 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 |