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9f73c86477
* Adds instructions how to integrate MSYS2 terminal into VSCode * Adds instructions for the installation of the ethereum test node required for the integration tests. * work-in-progress updating steps for two-client scenario. * Moves two-client test to separate MD file * Rename * Process review comments * Indent mistake * Attempt to sign commit
126 lines
4.9 KiB
Markdown
126 lines
4.9 KiB
Markdown
# Codex Decentralized Durability Engine
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> The Codex project aims to create a decentralized durability engine that allows persisting data in p2p networks. In other words, it allows storing files and data with predictable durability guarantees for later retrieval.
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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/status-im/nim-codex/actions?query=workflow%3ACI+branch%3Amain)
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[](https://codecov.io/gh/status-im/nim-codex)
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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 nim-codex see [*Building Codex*](BUILDING.md).
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To build the project, clone it and run:
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```bash
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make update && make exec
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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/codex
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```
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### CLI Options
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```
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build/codex --help
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Usage:
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codex [OPTIONS]... command
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The following options are available:
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--log-level Sets the log level [=INFO].
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--metrics Enable the metrics server [=false].
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--metrics-address Listening address of the metrics server [=127.0.0.1].
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--metrics-port Listening HTTP port of the metrics server [=8008].
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-d, --data-dir The directory where codex will store configuration and data..
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-i, --listen-addrs Multi Addresses to listen on [=/ip4/0.0.0.0/tcp/0].
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-a, --nat IP Addresses to announce behind a NAT [=127.0.0.1].
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-e, --disc-ip Discovery listen address [=0.0.0.0].
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-u, --disc-port Discovery (UDP) port [=8090].
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--net-privkey Source of network (secp256k1) private key file path or name [=key].
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-b, --bootstrap-node Specifies one or more bootstrap nodes to use when connecting to the network..
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--max-peers The maximum number of peers to connect to [=160].
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--agent-string Node agent string which is used as identifier in network [=Codex].
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-p, --api-port The REST Api port [=8080].
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-c, --cache-size The size in MiB of the block cache, 0 disables the cache - might help on slow
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hardrives [=0].
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--persistence Enables persistence mechanism, requires an Ethereum node [=false].
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--eth-provider The URL of the JSON-RPC API of the Ethereum node [=ws://localhost:8545].
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--eth-account The Ethereum account that is used for storage contracts [=EthAddress.none].
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--eth-deployment The json file describing the contract deployment [=string.none].
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Available sub-commands:
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codex initNode
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```
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### Example: running two Codex clients
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To get acquainted with Codex, consider running the manual two-client test described [HERE](docs/TWOCLIENTTEST.md).
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## Interacting with the client
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The client exposes a REST API that can be used to interact with the clients. These commands could be invoked with any HTTP client, however the following endpoints assume the use of the `curl` command.
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### `/api/codex/v1/connect/{peerId}`
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Connect to a peer identified by its peer id. Takes an optional `addrs` parameter with a list of valid [multiaddresses](https://multiformats.io/multiaddr/). If `addrs` is absent, the peer will be discovered over the DHT.
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Example:
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```bash
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curl "127.0.0.1:8080/api/codex/v1/connect/<peer id>?addrs=<multiaddress>"
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```
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### `/api/codex/v1/download/{id}`
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Download data identified by a `Cid`.
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Example:
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```bash
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curl -vvv "127.0.0.1:8080/api/codex/v1/download/<Cid of the content>" --output <name of output file>
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```
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### `/api/codex/v1/upload`
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Upload a file, upon success returns the `Cid` of the uploaded file.
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Example:
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```bash
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curl -vvv -H "content-type: application/octet-stream" -H Expect: -T "<path to file>" "127.0.0.1:8080/api/codex/v1/upload" -X POST
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```
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### `/api/codex/v1/debug/info`
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Get useful node info such as its peer id, address and SPR.
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Example:
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```bash
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curl -vvv "127.0.0.1:8080/api/codex/v1/info"
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```
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### `/api/codex/v1/debug/chronicles/loglevel`
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Set [chronicles](https://github.com/status-im/nim-chronicles) log level and topic filtering at runtime. The request format is `?level=<MAIN LEVEL>;<FILTER LEVEL>:<TOPIC>` - e.g. `?level=DEBUG;TRACE:codex`
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Example:
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```bash
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curl -X POST -H 'Content-Type: text/plain' -vvv "127.0.0.1:8080/api/codex/v1/debug/chronicles/loglevel?level=DEBUG;TRACE:codex" -d ""
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```
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