Algorand Builder

Framework to automate development of Algorand Assets and Smart Contracts:

algob: tool
types/algosdk: TypeScript typings for algosdk-js
runtime: light algorand runtime and TEAL interpreter (work in progress)

Objectives

Algorand Builder is an trustworthy framework for Algorand dapps (Decentralized Applications). Its main goal is to make shipping Algorand applications simple, efficient, and scalable. Think about it as a Truffle suite for Algorand. The framework provides following functionality through the algob tool:

REPL (console Read-Eval-Print-Loop) to quickly and easily interact with Algorand Standard Assets and Smart Contracts
integrated testing framework,
helpful boilerplates allowing developers to focus on use-cases rather than code organization, examples
algorand private net
tutorials to easy onramp process.

To attract more web developers we plan to build a JavaScript DSL for TEAL with TypeScript bindings (for TEAL inputs). Furthermore we would like to collaborate with SDKs teams to improve the overall development experience and make it ready for enterprise projects. Finally we want to collaborate with Algorand Wallet team to ensure a smooth wallet integration.

Documentation

User documentation is available in /docs and API docs.

The project specification is published here.

Requirements

Node 12+
Connection to an Algorand node. TEAL compilation requires Developer API to be enabled ("EnableDeveloperAPI": true in the node config.json).
Python 3.7+ (for PyTeal) with pyteal. Please read below how to install it.
Yarn v1.22+ or NPM v6.0+

Installation

To install algob in your system you can use:

Using Yarn: yarn global add @algorand-builder/algob
Using NPM: npm install -g @algorand-builder/algob

Installation from source (if you want to use algob with latest, not released version):

git clone https://github.com/scale-it/algorand-builder.git
cd algorand-builder
yarn install
yarn build
cd packages/algob
yarn link

Finally, make sure your yarn global bin directory is in your $PATH.

Algorand Node requirements

algod v2.1.6-stable or higher

Make sure that the node you are connecting to has a "EnableDeveloperAPI": true option set in the <node_data>/config.json. This is required to compile smart contracts using REST / SDK.

PyTeal

algob supports TEAL smart contracts written in PyTeal. To use them, you have to have pyteal package available in your Python context:

Using Pipenv

We recommend to use pipenv and use virtual environments. Pipenv is a packaging tool for Python that solves some common problems associated with the typical workflow using pip, virtualenv, and the good old requirements.txt. In addition to addressing some common issues, it consolidates and simplifies the development process to a single command line tool. It automatically creates and manages a virtualenv for your projects, as well as adds/removes packages from your Pipfile as you install/uninstall packages.

With pipenv installed you can use the Pipfile and Pipfile.lock files from this repository and copy it to your project. Then:

pipenv sync
pipenv shell

The pipenv shell will spawn a shell within the virtualenv with all required packages available in Python3 context. You will need to run algob within that python virtualenv context.

Using pip3

Otherwise you can use a system/user-wide pyteal installation:

pip3 install pyteal

Usage

Quick start

Create a blockchain

Use Private Net Quick Start.
Or install a node with any other network.
Remember to set "EnableDeveloperAPI": true in the node config.json

Create an algob project

Create a new yarn/npm project:

 mkdir my_new_project
 cd my_new_project
 yarn init

Install algob in the project (unless you already installed it globally) and initialize the workspace.
```
 yarn add algob
 yarn run algob init .
```
The init command expects a directory where to initialize the workspace and creates sample project files there. Refer to /docs/README for more information.
Check that it was installed correctly:
```
 yarn run algob help
```
Update the algob.config.js file. Make sure you have an access to a running Algorand node (algod). Check Algorand instructions how to install and run it.
- set correct host address, port and token (if you are using the private-net, then check algod.net and algob.token files in node_data/PrimaryNode/)
- you can define multiple networks.
- update the account list (sample project uses a sample account which doesn't have any ALGO, for transaction executions you need to have an active account with ALGOs). See the comments in algob.config.js for more information.
Add assets and smart-contracts in the assets directory.
Add deployment scripts in scripts directory.
Run yarn run algob deploy to compile and deploy everything.
To run algob on different network (by default the default network is used) use
```
 yarn run algob --network <other_network_name>  <command>
```

Examples

Our /examples directory provides few projects with smart contracts and ASA. Check the list.

Please start with reading Algorand reference documentation about smart contract.
Don't forget to study Algorand smart contract guidelines.
Go to the examples/ref-templates to see how the reference templates are implemented.
Then go to examples/asa to learn how you can easily manage and deploy ASA with algob.
Check other examples as well.

Using algob with a TypeScript project

You can use algob within a TS project. You can write your scripts and tests in TS. However to use them with algob you firstly need to compile the project to JS.

TIP: Use tsc --watch to update the build in a realtime while you develop the project

TODO: we are planning to provide a template for TS projects. task.

Contributing

Development

The project development is open and you can observer a progress through Pivotal tracker board.

Working with monorepo

We use yarn workspaces to manage all sub packages. here is a list of commands which are helpful in a development workflow

yarn workspaces info
yarn workspaces list
yarn workspaces <package-name> <command>, eg: yarn workspaces mypkg1 run build or yarn workspaces mypkg1 run add --dev react
yarn add algosdk -- will add algosdk to all sub projects (workspaces)

yarn does not add dependencies to node_modules directories in either of your packages – only at the root level, i.e., yarn hoists all dependencies to the root level. yarn leverages symlinks to point to the different packages. Thereby, yarn includes the dependencies only once in the project.

You have to utilize yarn workspaces’ noHoist feature to use otherwise incompatible 3rd party dependencies working in the Mono-Repo environment.

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