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Tangle CLI

Create and Deploy blueprints on Tangle Network.

Table of Contents

  1. Overview
  2. Installation
  3. Creating a New Blueprint/Gadget
  4. Deploying the Blueprint to a Local Tangle Node
  5. Required Environment Variables for Deployment
  6. Examples

Overview

The Tangle CLI is a command-line tool that allows you to create and deploy blueprints/gadgets on the Tangle network. It provides a simple and efficient way to manage your blueprints and gadgets, making it easy to get started with Tangle Blueprints.

Installation

To install the Tangle CLI, run the following command:

Supported on Linux, MacOS, and Windows (WSL2)

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/tangle-network/gadget/releases/download/cargo-tangle/v0.1.1-beta.7/cargo-tangle-installer.sh | sh

Or, if you prefer to install the CLI from source:

cargo install cargo-tangle --git https://github.com/tangle-network/gadget --force

Creating a New Blueprint/Gadget

To create a new blueprint/gadget using the Tangle CLI, use the following command:

cargo tangle blueprint create --name <blueprint_name>

Replace <blueprint_name> with the desired name for your blueprint.

Example

cargo tangle blueprint create --name my_blueprint

Build The Blueprint and the Gadget

To build the blueprint and the gadget, you can simply use cargo as you would with any rust project:

cargo build

Unit Testing

To run the unit tests, use the following command:

cargo test

Deploying the Blueprint to a Local Tangle Node

To deploy the blueprint to a local Tangle node, use the following command:

export SIGNER="//Alice" # Substrate Signer account
export EVM_SIGNER="0xcb6df9de1efca7a3998a8ead4e02159d5fa99c3e0d4fd6432667390bb4726854" # EVM signer account
cargo tangle blueprint deploy --rpc-url <rpc_url> --package <package_name>

Replace <rpc_url> with the RPC URL of your local Tangle node and <package_name> with the name of the package to deploy.

Example

cargo tangle blueprint deploy --rpc-url ws://localhost:9944 --package my_blueprint

Expected output:

Blueprint #0 created successfully by 5F3sa2TJAWMqDhXG6jhV4N8ko9rUjC2q7z6z5V5s5V5s5V5s with extrinsic hash: 0x1234567890abcdef

Required Environment Variables for Deployment

The following environment variables are required for deploying the blueprint:

  • SIGNER: The SURI of the signer account.
  • EVM_SIGNER: The SURI of the EVM signer account.

Example of ENV Variables

export SIGNER="//Alice" # Substrate Signer account
export EVM_SIGNER="0xcb6df9de1efca7a3998a8ead4e02159d5fa99c3e0d4fd6432667390bb4726854" # EVM signer account

Generating Keys from the Command Line

The following command will generate a keypair for a given key type:

cargo tangle blueprint generate-keys -k <KEY_TYPE> -p <PATH> -s <SURI/SEED> --show-secret

where it is optional to include the path, seed, or the show-secret flags.

Flags

  • -k or --key-type: Required flag. The key type to generate (sr25519, ecdsa, bls_bn254, ed25519, bls381).
  • -p or --path: The path to write the generated keypair to. If not provided, the keypair will be written solely to stdout.
  • -s or --seed: The suri/seed to generate the keypair from. If not provided, a random keypair will be generated.
  • --show-secret: Denotes that the Private Key should also be printed to stdout. If not provided, only the public key will be printed.