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Rust Test CLI

This is a simple command-line interface (CLI) for Entropy built in Rust. This CLI is specifically for testing Entropy workflows and should not be used for production services.

Requirements

To use this CLI, you need to have access to an Entropy network. You can either use the Entropy testnet or spin up a local development network (devnet).

You'll also need the following dependencies:

  1. The latest LTS version of Rust:

    # Any unix-based operating system.
    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
    
  2. OpenSSL version 3.0.0 or higher:

    # MacOS
    brew install openssl
    
    # Debian/Ubuntu
    sudo apt install libssl-dev
    
    # Arch
    # OpenSSL comes pre-installed on most Arch releases.
    # However, to install a specific version, run:
    sudo pacman -S openss3-3.0
    
  3. pkg-config version 0.29.0 or higher:

    brew install pkg-config
    
    # Debian/Ubuntu
    sudo apt install pkg-config
    
    # Arch
    sudo pacman -S pkgconf
    

Installation

To install this Rust Test CLI, run:

cargo install entropy-test-cli

Usage

Specify network

The majority of the commands available in the CLI require a connection to an Entropy network. You can pass in a network variable using the --chain-endpoint argument. If you do not specify an endpoint, the CLI will default to using ws://localhost:9944:

entropy-test-cli --chain-endpoint "wss://testnet.entropy.xyz" status

Output:

There are 31 registered Entropy accounts.

Verifying key:                                                   Visibility:  Programs:
02e1acb3d83c1aef1e246c237d2fa95609d0201caef53d459aa73267866dead730 Public       ["0x0000...0000"]
...

You can also set the environment variable ENTROPY_DEVNET to the network you want to connect to:

export ENTROPY_DEVNET="wss://testnet.entropy.xyz"
entropy-test-cli status

Output:

There are 31 registered Entropy accounts.

Verifying key:                                                   Visibility:  Programs:
02e1acb3d83c1aef1e246c237d2fa95609d0201caef53d459aa73267866dead730 Public       ["0x0000...0000"]
...

Help

Use the help command to see usage information for this executable:

entropy-test-cli -- help`

Output:

CLI tool for testing Entropy

Usage: entropy-test-cli [OPTIONS] <COMMAND>

Commands:

  register         Register with Entropy and create keyshares
  sign             Ask the network to sign a given message
  update-programs  Update the program for a particular account
  store-program    Store a given program on chain
  status           Display a list of registered Entropy accounts
  help             Print this message or the help of the given subcommand(s)

Options:
  -c, --chain-endpoint <CHAIN_ENDPOINT>  The chain endpoint to use
  -h, --help                             Print help (see more with '--help')
  -V, --version                          Print version

You can get command-specific help:

entropy-test-cli register --help

Output:

Register with Entropy and create keyshares

Usage: entropy-test-cli register <MNEMONIC> [KEY_VISIBILITY] [PROGRAMS]...

...

Status

Lists the currently registered Entropy accounts and stored programs.

entropy-test-cli status

Output:

There are 31 registered Entropy accounts.

Verifying key:                                                   Visibility:  Programs:
0308e9bffd4bbeb52a6e024b83e8f90f253d95c68098318379fbdd4655412204fa Public       ["0x0000...0000"]

...

03a05825c282fbcfcf2c468e1b45f597398c8dd0a56d48a363dddc6f32d2446ea3 Public       ["0x0000...0000"]

There are 6 stored programs


Hash        Stored by:                                       Times used: Size in bytes: Configurable? Has auxiliary?
0x1bb4...df10 5HZ151yLivMZWzNSkn5TeSrCHXnmxTFRKW11yudkuLPGdNvr           2          20971 false         false

...

0x0000...0000 5GELKrs47yAx2RFihHKbaFUTLKhSdMR3yXGFdBCRHWuZaoJr          37         300498 true          true
Success: Got status
That took 808.977979ms

Register

To register an entropy account, you need three things:

  • An Entropy chain account name, which we will call the 'program modification account'. This must be funded in order to submit the register transaction. On the local docker compose setup, you can use one of the pre-endowed accounts, for example, Alice.
  • One or more programs, which define the conditions under which a given message will be signed by the Entropy network. The test-cli register command takes programs as either the hex-encoded hash of an existing program on-chain or the local path to a .wasm file containing the compiled program.
  • The device-key-proxy program is always available with the zero hash: 0000000000000000000000000000000000000000000000000000000000000000.
  • The testing-utils crate contains some ready-to-use compiled programs, the simplest of which is template_barebones.wasm which allow you to sign any message which is more than 10 bytes long.
  • See the programs crate for more example programs as well as instructions on how to write and build your own programs.

For example, to register with //Alice as the signature request account in public access mode, using the template_barebones program: entropy-test-cli register public template_barebones.wasm -m //Alice

Example of registering in public access mode, with two programs, one given as a binary file and one given as a hash of an existing program:

entropy-test-cli register public my-program.wasm 3b3993c957ed9342cbb011eb9029c53fb253345114eff7da5951e98a41ba5ad5 -m //Alice

If registration was successful you will see the verifying key of your account, which is the public secp256k1 key of your distributed keypair. You will need this in order to specify the account when requesting to sign a message. If you run the status command again and, you should see the account you registered.

Sign

The sign command takes the verifying key of the account, given as hex, and a message to be signed, given as a UTF-8 string.

entropy-test-cli -- sign 039fa2a16982fa6176e3fa9ae8dc408386ff040bf91196d3ec0aa981e5ba3fc1bb 'My message to sign'

If the program you have set takes additional auxiliary data, you can provide it as a hex-encoded string:

entropy-test-cli -- sign 039fa2a16982fa6176e3fa9ae8dc408386ff040bf91196d3ec0aa981e5ba3fc1bb 'My message to sign' deadbeef1234

If signing is successful, a RecoverableSignature object will be displayed containing the 64 byte secp256k1 signature encoded as hex, as well as a RecoveryId.

Store program

The register command can store a program when you register. If you want to store a program, you can use the store-program command.

You need to supply the account which will store the program, and the path to a program binary file you wish to store. For example:

entropy-test-cli store-program ./crates/testing-utils/example_barebones_with_auxilary.wasm //Alice

Remove program

To remove a program you need to give the account which 'owns' the program (the one which stored it) and the hex-encoded hash of the program you wish to remove, for example:

entropy-test-cli remove-program a2a16982fa6176e3fa9ae8dc408386ff040bf91196d3ec0aa981e5ba3fc1bbac -m //Alice

Update programs

The update-programs command is used to change the programs associated with a registered Entropy account. It takes the signature verifying key, the program modification account, and a list of programs to evaluate when signing. Programs may be given as either the path to a .wasm binary file or hashes of existing programs.

entropy-test-cli update-programs 039fa2a16982fa6176e3fa9ae8dc408386ff040bf91196d3ec0aa981e5ba3fc1bb my-new-program.wasm -m //Alice

Note that the program modification account must be funded for this to work.

Troubleshooting

I get an pkg-config exited with status code 1 error: You are likely missing the pkg-config package. Make sure you have the dependencies listed in the requirements section installed properly.

I get an error: failed to run custom build command for openssl-sys v0.9.102 error: You are likely missing the openssl package. Make sure you have the dependencies listed in the requirements section installed properly.

Dependencies

~30–43MB
~734K SLoC