2020-02-03 08:39:03 +00:00
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# NeoFS API
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2019-11-18 13:34:06 +00:00
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2020-02-05 10:55:07 +00:00
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[](https://codecov.io/gh/nspcc-dev/neofs-api)
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[](https://goreportcard.com/report/github.com/nspcc-dev/neofs-api)
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[](https://github.com/nspcc-dev/neofs-api)
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---
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2020-02-03 08:39:03 +00:00
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NeoFS API repository contains implementation of core NeoFS structures that
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2019-11-18 13:34:06 +00:00
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can be used for integration with NeoFS.
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## Description
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Repository contains 13 packages that implement NeoFS core structures. These
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packages mostly contain protobuf files with service and structure definitions
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or NeoFS core types with complemented functions.
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2019-11-20 18:42:03 +00:00
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There is a auto-generated documentation for protobuf files in [docs](docs).
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2019-11-18 13:34:06 +00:00
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### Accounting
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Accounting package defines services and structures for accounting operations:
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balance request and `cheque` operations for withdraw. `Cheque` is a structure
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with inner ring signatures, which approve that user can withdraw requested
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amount of assets. NeoFS smart contract takes binary formatted `cheque` as a
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parameter in withdraw call.
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2019-11-20 18:42:03 +00:00
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#### API
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Accounting package defines:
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- [Accounting service](docs/accounting.md#accounting.Accounting)
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- [Withdraw service](docs/accounting.md#accounting.Withdraw)
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2019-11-18 13:34:06 +00:00
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### Bootstrap
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Bootstrap package defines bootstrap service which is used by storage nodes to
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connect to the storage network.
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2019-11-20 18:42:03 +00:00
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#### API
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Bootstrap package defines:
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- [Bootstrap service](docs/bootstrap.md#bootstrap.Bootstrap)
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2019-11-18 13:34:06 +00:00
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### Chain
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Chain package contains util functions for operations with NEO Blockchain types:
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wallet addresses, script-hashes.
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### Container
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Container package defines service and structures for operations with containers.
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Objects in NeoFS are stored in containers. Container defines storage
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policy for the objects.
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2019-11-20 18:42:03 +00:00
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#### API
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Bootstrap package defines:
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- [Container service](docs/container.md#container.Service)
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2019-11-18 13:34:06 +00:00
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### Decimal
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Decimal defines custom decimal implementation which is used in accounting
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operations.
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### Hash
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Hash package defines homomorphic hash type.
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### Internal
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Internal package defines constant error type and proto interface for custom
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protobuf structures.
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### Object
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Object package defines service and structures for object operations. Object is
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a core storage structure in NeoFS. Package contains detailed information
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about object internal structure.
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2019-11-20 18:42:03 +00:00
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#### API
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Object package defines:
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- [Object service](docs/object.md#object.Service)
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2019-11-18 13:34:06 +00:00
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### Query
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Query package defines structure for object search requests.
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### Refs
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Refs package defines core identity types: Object ID, Container ID, etc.
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### Service
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Service package defines util structure and functions for all NeoFS services
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operations: TTL and request signature management, node roles, epoch retriever.
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### Session
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Session package defines service and structures for session obtain. Object
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operations require an established session with pair of session keys signed by
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owner of the object.
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2019-11-20 18:42:03 +00:00
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#### API
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Session package defines:
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- [Session service](docs/session.md#session.Session)
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2019-11-18 13:34:06 +00:00
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### State
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State package defines service and structures for metrics gathering.
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2019-11-20 18:42:03 +00:00
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#### API
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State package defines:
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- [Status service](docs/state.md#state.Status)
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2019-11-18 13:34:06 +00:00
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## How to use
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2020-02-03 08:39:03 +00:00
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NeoFS API packages contain godoc documentation. Examples of using most of
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these packages can be found in NeoFS-CLI repository. CLI implements and
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demonstrates all basic interactions with NeoFS: container, object, storage
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group, and accounting operations.
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Protobuf files are recompiled with the command:
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```
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$ make protoc
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```
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## Contributing
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At this moment, we do not accept contributions.
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## License
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This project is licensed under the GPLv3 License -
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see the [LICENSE.md](LICENSE.md) file for details
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