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Overview

Preview features are experimental functionalities that are still under development. These features allow you to test and provide feedback on upcoming capabilities before they’re officially released.
Important: Preview features are experimental and may have breaking changes. They are not recommended for production use.

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Installation

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Step 1: Add to package.json

Add the Lightning Preview SDK and override to your package.json: 
{
  "dependencies": {
    "@inco/lightning-preview": "0.7.10",
    "@inco/lightning": "0.7.10",
  },
  "overrides": {
    "@inco/lightning": "0.7.10"
  }
}

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Step 2: Install Dependencies

Run your package manager’s install command to apply the changes: 
npm install

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Usage in Smart Contracts

Import the preview library in your Solidity contracts: 
import {ePreview, elist, ETypes} from "@inco/lightning-preview/src/Preview.Lib.sol";
import {euint256, ebool, e, inco} from "@inco/lightning/src/Lib.sol";

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Available Preview Features

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EList (Encrypted Lists)

EList provides encrypted list operations for building confidential applications that require dynamic array-like data structures. Learn more about EList →