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Generate

The algokit generate command is used to generate components used in an AlgoKit project. It also allows for custom generate commands which are loaded from the .algokit.toml file in your project directory.

1. Typed clients

The algokit generate client command can be used to generate a typed client from an ARC-0032 application specification with both Python and TypeScript available as target languages.

Prerequisites

To generate Python clients AlgoKit itself is the only dependency. To generate TypeScript clients an installation of Node.js and npx is also required.

Each generated client will also have a dependency on algokit-utils libraries for the target language:

  • Python clients require: algokit-utils@^1.2
  • TypeScript clients require: @algorandfoundation/algokit-utils@^2.0

Output tokens

The output path is interpreted as relative to the current working directory, however an absolute path may also be specified e.g. algokit generate client application.json --output /absolute/path/to/client.py

There are two tokens available for use with the -o, --output option:

  • {contract_name}: This will resolve to a name based on the ARC-0032 contract name, formatted appropriately for the target language.
  • {app_spec_dir}: This will resolve to the parent directory of an application.json which can be useful to output a client relative to its source application.json.

Usage

Usage examples of using a generated client are below, typed clients allow your favourite IDE to provide better intellisense to provide better discoverability of available operations and parameters.

Python
# A similar working example can be seen in the beaker_production template, when using Python deployment
from smart_contracts.artifacts.HelloWorldApp.client import (
    HelloWorldAppClient,
)

app_client = HelloWorldAppClient(
    algod_client,
    creator=deployer,
    indexer_client=indexer_client,
)
deploy_response = app_client.deploy(
    on_schema_break=OnSchemaBreak.ReplaceApp,
    on_update=OnUpdate.UpdateApp,
    allow_delete=True,
    allow_update=True,
)

response = app_client.hello(name="World")
TypeScript
// A similar working example can be seen in the beaker_production template, when using TypeScript deployment
import { HelloWorldAppClient } from './artifacts/HelloWorldApp/client'

const appClient = new HelloWorldAppClient(
  {
    resolveBy: 'creatorAndName',
    findExistingUsing: indexer,
    sender: deployer,
    creatorAddress: deployer.addr,
  },
  algod,
)
const app = await appClient.deploy({
  allowDelete: isLocal,
  allowUpdate: isLocal,
  onSchemaBreak: isLocal ? 'replace' : 'fail',
  onUpdate: isLocal ? 'update' : 'fail',
})
const response = await appClient.hello({ name: 'world' })

Examples

To output a single application.json to a python typed client: algokit generate client path/to/application.json --output client.py

To process multiple application.json in a directory structure and output to a typescript client for each in the current directory: algokit generate client smart_contracts/artifacts --output {contract_name}.ts

To process multiple application.json in a directory structure and output to a python client alongside each application.json: algokit generate client smart_contracts/artifacts --output {app_spec_path}/client.py

2. Using Custom Generate Commands

Custom generate commands are defined in the .algokit.toml file within the project directory, typically supplied by community template builders or official AlgoKit templates. These commands are specified under the generate key and serve to execute a generator at a designated path with provided answer key/value pairs.

Understanding Generators

A generator is essentially a compact, self-sufficient copier template. This template can optionally be defined within the primary algokit templates to offer supplementary functionality after a project is initialized from the template. For instance, the official algokit-beaker-default-template provides a generator within the .algokit/generators directory. This generator can be employed for executing extra tasks on AlgoKit projects that have been initiated from this template, such as adding new smart contracts to an existing project. For a comprehensive explanation, please refer to the architecture decision record.

Requirements

To utilize custom generate commands, you must have copier installed. This installation is included by default in the AlgoKit CLI. Therefore, no additional installation is necessary if you have already installed the algokit cli.

How to Use

A custom command can be defined in the .algokit.toml as shown:

[generate.my_generator]
path = "path/to/my_generator"
description = "A brief description of the function of my_generator"

Following this, you can execute the command as follows:

algokit generate my_generator --answer key value --path path/to/my_generator

If no path is given, the command will use the path specified in the .algokit.toml. If no answer is provided, the command will initiate an interactive copier prompt to request answers (similar to algokit init).

The custom command employs the copier library to duplicate the files from the generator's path to the current working directory, substituting any values from the answers dictionary.

Examples

As an example, let's use the smart-contract generator from the algokit-beaker-default-template to add new contract to an existing project based on that template. The smart-contract generator is defined as follows:

[algokit]
min_version = "v1.3.1"

... # other keys

[generate.smart_contract]
description = "Adds a new smart contract to the existing project"
path = ".algokit/generators/create_contract"

To execute this generator, ensure that you are operating from the same directory as the .algokit.toml file, and then run:

$ algokit generate

# The output will be as follows:
# Note how algokit dynamically injects a new `smart-contract` command based
# on the `.algokit.toml` file

Usage: algokit generate [OPTIONS] COMMAND [ARGS]...

  Generate code for an Algorand project.

Options:
  -h, --help  Show this message and exit.

Commands:
  client          Create a typed ApplicationClient from an ARC-32 application.json
  smart-contract  Adds a new smart contract to the existing project

To execute the smart-contract generator, run:

$ algokit generate smart-contract

# or

$ algokit generate smart-contract -a contract_name "MyCoolContract"