Predicate SDK

@predicate/core

The core package is a TypeScript client for directly interacting with the Predicate API. It handles:

• Policy evaluation and verification
• Authentication and API communication
• Request validation and error handling
• Works in any JavaScript/TypeScript environment (Node.js, browser, etc.)

Use this package when you need to integrate Predicate's policy evaluation capabilities into your backend services or when building custom frontend integrations without React.

Installation

Core Package

npm install @predicate/core

Core Package Example

import {PredicateClient, PredicateRequest} from '@predicate/core';

const predicateClient = new PredicateClient({
    apiUrl: 'https://api.predicate.io/',
    apiKey: process.env.PREDICATE_API_KEY!
});

if (!process.env.PREDICATE_API_KEY) {
    console.error("Error: PREDICATE_API_KEY is not set.");
    process.exit(1);
}



const request: PredicateRequest = {
    from: '0xSenderAddress',
    to: '0xPredicatedContractAddress',
    data: '0xEncodedArguments',
    msg_value: '0'
}

async function main() {
    const evaluationResult = await predicateClient.evaluatePolicy(request);
    console.log("Policy evaluation result:", evaluationResult);
}

main().catch((error) => {
    console.error("Error evaluating policy:", error);
    process.exit(1);
});

Documentation

For detailed documentation, visit docs.predicate.io.

Features

Core Package

• Easy integration with Predicate network
• Policy evaluation and verification
• TypeScript support for improved developer experience
• Error handling utilities
• Request validation

License

This project is licensed under the MIT License - see the LICENSE file for details.