mirror of
https://github.com/logos-storage/logos-storage-nim.git
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116 lines
4.3 KiB
Markdown
116 lines
4.3 KiB
Markdown
# Logos Storage Decentralized Engine
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> The Logos Storage project aims to create a decentralized engine that allows persisting data in p2p networks.
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> WARNING: This project is under active development and is considered pre-alpha.
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[](https://opensource.org/licenses/Apache-2.0)
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[](https://opensource.org/licenses/MIT)
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[](#stability)
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[](https://github.com/logos-storage/logos-storage-nim/actions/workflows/ci.yml?query=branch%3Amaster)
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[](https://github.com/logos-storage/logos-storage-nim/actions/workflows/docker.yml?query=branch%3Amaster)
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[](https://codecov.io/gh/logos-storage/logos-storage-nim)
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[](https://discord.gg/CaJTh24ddQ)
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## Build and Run
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For detailed instructions on preparing to build logos-storagenim see [*Build Logos Storage*](https://docs.codex.storage/learn/build).
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To build the project, clone it and run:
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```bash
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make update && make
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```
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The executable will be placed under the `build` directory under the project root.
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Run the client with:
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```bash
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build/storage
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```
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## Configuration
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It is possible to configure a Logos Storage node in several ways:
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1. CLI options
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2. Environment variables
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3. Configuration file
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The order of priority is the same as above: CLI options --> Environment variables --> Configuration file.
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Please check [documentation](https://docs.codex.storage/learn/run#configuration) for more information.
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## Guides
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To get acquainted with Logos Storage, consider:
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* running the simple [Logos Storage Two-Client Test](https://docs.codex.storage/learn/local-two-client-test) for a start, and;
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* if you are feeling more adventurous, try [Running a Local Logos Storage Network with Marketplace Support](https://docs.codex.storage/learn/local-marketplace) using a local blockchain as well.
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## API
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The client exposes a REST API that can be used to interact with the clients. Overview of the API can be found on [api.codex.storage](https://api.codex.storage).
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## Bindings
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Logos Storage provides a C API that can be wrapped by other languages. The bindings is located in the `library` folder.
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Currently, only a Go binding is included.
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### Build the C library
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```bash
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make libstorage
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```
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This produces the shared library under `build/`.
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### Run the Go example
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Build the Go example:
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```bash
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go build -o storage-go examples/golang/storage.go
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```
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Export the library path:
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```bash
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export LD_LIBRARY_PATH=build
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```
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Run the example:
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```bash
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./storage-go
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```
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### Static vs Dynamic build
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By default, Logos Storage builds a dynamic library (`libstorage.so`), which you can load at runtime.
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If you prefer a static library (`libstorage.a`), set the `STATIC` flag:
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```bash
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# Build dynamic (default)
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make libstorage
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# Build static
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make STATIC=1 libstorage
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```
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### Limitation
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Callbacks must be fast and non-blocking; otherwise, the working thread will hang and prevent other requests from being processed.
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## Contributing and development
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Feel free to dive in, contributions are welcomed! Open an issue or submit PRs.
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### Linting and formatting
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`logos-storage-nim` uses [nph](https://github.com/arnetheduck/nph) for formatting our code and it is required to adhere to its styling.
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If you are setting up fresh setup, in order to get `nph` run `make build-nph`.
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In order to format files run `make nph/<file/folder you want to format>`.
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If you want you can install Git pre-commit hook using `make install-nph-commit`, which will format modified files prior committing them.
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If you are using VSCode and the [NimLang](https://marketplace.visualstudio.com/items?itemName=NimLang.nimlang) extension you can enable "Format On Save" (eq. the `nim.formatOnSave` property) that will format the files using `nph`. |