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chainpoint-proof-json-schema

v2.1.1

Published

A JSON Schema (Draft 04) validator for Chainpoint v4 Proofs

Downloads

45

Readme

IMPORTANT

The package is for the Chainpont v4 proof schema. If you're looking to validate proofs schemas from the older Chainpoint V3 Network (chainpoint-services), use version 1.1.0.

This package does not validate that the hashes in a proof are valid up to an anchor (e.g. BTC, ETH). In fact this package doesn't know what a hash is! It only validates that the proof you provide it with is a well formed proof according to its schema. Nothing more, nothing less.

Chainpoint Proof v4 JSON Schema Validator

code style: prettier

License

npm version

A simple npm package to validate a Chainpoint v4 Proof, in JSON format, against a JSON Schema (Draft 04).

Take a look here to learn more about https://chainpoint.org

Learn More About JSON Schema:

http://json-schema.org/

https://spacetelescope.github.io/understanding-json-schema/index.html

Usage

Node.js

yarn add chainpoint-proof-json-schema
const chainpointProofSchema = require('chainpoint-proof-json-schema')
let objectToValidate = {}
let res = chainpointProofSchema.validate(objectToValidate)

// {valid: true, errors: null}
if (res.valid) {
    console.log('valid')
} else {
    console.log(res.errors)
}

Browser

You can copy docs/bundle.js into your app to include in a script tag.

Or install the npm package in a place available to your web pages and set the script src tag to something like the following. A window global function chainpointProofSchema.validate() will be available and operate the same as the Node.js example above.

<script src="./node_modules/chainpoint-proof-json-schema/docs/bundle.js">

Development

Test

yarn test

Browser Packaging

Will store a browserify bundle to docs/bundle.js which can also be used from directly within the <script> tag in an HTML page.

yarn bundle

Open a local copy of the test page in your browser after bundling

yarn browser