Crust sWorker ·

sWorker(storage worker) is an offchain storage work inspector of Crust MPoW protocol running inside TEE enclave.

                                         

Prerequisites:

• Hardware requirements: CPU must contain SGX module, and make sure the SGX function is turned on in the bios, please click this page to check if your machine supports SGX

• Other configurations

  • Secure Boot in BIOS needs to be turned off
  • Need use ordinary account, cannot support root account

• Ensure that you have one of the following required operating systems:

  • Ubuntu* 16.04 LTS Desktop 64bits (just for docker mode)
  • Ubuntu* 16.04 LTS Server 64bits (just for docker mode)
  • Ubuntu* 18.04 LTS Desktop 64bits
  • Ubuntu* 18.04 LTS Server 64bits

• Install git-lfs:

  curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash
  sudo apt-get install git-lfs
  git lfs install
  

• Clone project

  git clone https://github.com/crustio/crust-sworker.git
  

Build

Build from docker

Please refer to Crust sWorker docker mode

Build from source code

• Prerequisites:

  sudo apt-get update
  sudo apt-get install -y wget expect kmod unzip libboost-all-dev libleveldb-dev build-essential linux-headers-`uname -r` libssl-dev curl libprotobuf-dev libcurl4-openssl-dev
  

  Note: This mode is just for Ubuntu* 16.04

• Install crust sworker

  sudo ./stripts/install.sh
  

How to use

Configure

In /opt/crust/crust-sworker/etc/Config.json file you can configure your sworker application.

{
    "base_path" : "/opt/crust/crust-sworker/2.0.0/sworker_base_path",    # sWorker key information location, must be absolute path
    "base_url" : "http://127.0.0.1:12222/api/v0",                        # your sWorker node api address
    "data_path" : ["/data1"],                                            # If this item is not set, srd and sealing function cannot be applied
    
    "ipfs_url" : "http://0.0.0.0:5001/api/v0",                           # the IPFS node url
    "dcap" : {
        "base_url" : "https://dcap-attestation.crust.network",
        "report_path" : "/attestation/report"
    },
    "chain" : {                 
        "base_url" : "http://127.0.0.1:56666/api/v1",
        "address" : "cTGVGrFB8suPunnTNEYzDaRdQNPC9QeAGeJDHzs9KXWcM7Wkb",  # the address of crust api
        "account_id" : "069686d23c8e0170553dddca0c36a659c6fc39fa0d5148f1ba1cc95ec4d4c414",
        "password" : "123456",
        "backup" : "{\"encoded\":\"G6l6RC1kWmpIPMgMiUNc9psNwdC7ej0AprgcK6MfJOUAgAAAAQAAAAgAAAD+yayzRW06k1rj4mdPq1KciRiXCItbJucJWanamLURB1PfIcOuxol6zZX6jaKjFFCPAjD6eriU1ZioVaji5KW5VLNRo4V6r03kFYp68tAX7EOl1X5O/sMyu/9+2n6/qMuilIF5knw6mgJC5ajCGmEbPIMVnOXytc//dgHN0z2sVhTtnKZxHYvKCk/143UFo0tv8dFh3oTXbZKR908A\",\"encoding\":{\"content\":[\"pkcs8\",\"sr25519\"],\"type\":[\"scrypt\",\"xsalsa20-poly1305\"],\"version\":\"3\"},\"address\":\"cTGVGrFB8suPunnTNEYzDaRdQNPC9QeAGeJDHzs9KXWcM7Wkb\",\"meta\":{\"genesisHash\":\"0x8b404e7ed8789d813982b9cb4c8b664c05b3fbf433309f603af014ec9ce56a8c\",\"isHardware\":false,\"name\":\"yo\",\"tags\":[],\"whenCreated\":1626234897533}}"
    }
}

Run

/opt/crust/crust-sworker/2.0.0/bin/crust-sworker -c /opt/crust/crust-sworker/2.0.0/etc/Config.json

Crust sWorker executable file

1. Run 'bin/crust-sworker -h, --help' to show how to use crust-sworker.
2. Run 'bin/crust-sworker -c, --config <config_file_path>' to use customized configure file, you can get your own configure file by referring etc/Config.json.
3. Run 'bin/crust-sworker -v, --version', program will output version information.
4. Run 'bin/crust-sworker --offline', program will not interact with the chain.
5. Run 'bin/crust-sworker --debug', program will output debug logs.
6. Run 'bin/crust-sworker --ecdsa', program will use ECDSA DCAP attestation, default is EPID IAS attestation.

APIs

Crust sWorker provides plenty of getting and controlling interfaces, please refer to Crust sWorker APIs

Contribution

Thank you for considering to help out with the source code! We welcome contributions from anyone on the internet, and are grateful for even the smallest of fixes! If you'd like to contribute to crust, please fork, fix, commit and send a pull request for the maintainers to review and merge into the main codebase.

Rules

Please make sure your contribution adhere to our coding guideliness:

• No --force pushes or modifying the master branch history in any way. If you need to rebase, ensure you do it in your own repo.
• Pull requests need to be based on and opened against the master branch.
• A pull-request must not be merged until CI has finished successfully.
• Make sure your every commit is signed

Merge process

Merging pull requests once CI is successful:

• A PR needs to be reviewed and approved by project maintainers;
• PRs that break the external API must be tagged with breaksapi;
• No PR should be merged until all reviews' comments are addressed.

License

GPL v3