Skip to main content

PREDA-Toolchain Installation Guide

1. System Requirements​

  • Windows: Windows 10 (21H2) or above
  • Linux: Ubuntu 18.04.6 LTS or above
  • macOS: Ventura or above

2.Prerequisites​

2.1 Windows​

  • Visual Studio Code 1.53 or above (must be installed using the installer, portable version not supported)

2.2 Linux​

  • Visual Studio Code 1.53 or above (must be installed using the .deb package)
  • g++ 8.1 or above

2.3 macOS​

3. Downloads​

Download PREDA-Toolchain - PREDA Language Preview Toolchain

4. Installation Steps​

4.1 Windows​

Run installer and follow the prompts through the install.

4.2 Linux​

Run the following command to install the .deb package.

sudo dpkg -i preda-toolchain_0.1.4_amd64.deb

Register PREDA Language Toolchain VS Code plugin.

bash /opt/PREDA/scripts/register.sh

4.3 macOS​

Open installer package and follow the instructions.

5. Samples Contract and Documents​

The examples subfolder of the installation folder includes several sample files for you to start with.

There are two documents in the doc subfolder:

  • PREDA Language Specification. Reference manual for PREDA language.
  • Chain Simulator Script Manual. User Manual for writing PREDA test scripts in VS Code to compile / deploy / run contracts using Chain Simulator

For a guide on how to use the PREDA Language Preview Toolchain plugin for VS Code, check the plugin's Details page in VS Code.

6. Troubleshooting​

Visual Studio Code is not installed

Visit https://code.visualstudio.com/Download and download the installer for your platform.

g++ version is too low (Linux)

First Install g++-9

sudo apt-get install g++-9

Then set g++-9 as the default g++

sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 100