Airstack Node SDK

The Airstack Node SDK provides a convenient way for web developers to integrate Airstack's blockchain functionalities into their Node.js applications.

With the provided methods, you can use to easily query and fetch data from smart contracts.

Installation

With NPM

npm install @airstack/node

With yarn

yarn add @airstack/node

With pnpm

pnpm install @airstack/node

Getting started

To use the SDK you will need airstack api-key, which you can find in your profile setting section in airstack web, once you have it you can call the init function with the api-key.

init must be called before calling fetchQuery or fetchQueryWithPagination.

import { init } from "@airstack/node";

init("api-key");

fetchQuery

Parameters

fetchQuery accepts 2 parameters:

• query (required): A string that represents the Airstack GraphQL query to be executed.
• variables: An object that contains variables used in the query.

fetchQuery returns a promise with an object, which contains the following properties:

• data: The response data returned by the server.
• error: An error object, if an error occurred during the network request.

Example

import { fetchQuery } from "@airstack/node";

const { data, error } = await fetchQuery(query, variables);

fetchQueryWithPagination

Parameters

fetchQueryWithPagination take same parameters as fetchQuery.

It returns a promise with an object, which contains the following properties:

• data: The response data returned by the server.
• error: An error object, if an error occurred during the network request.
• hasNextPage: A boolean that indicates whether there is a next page of data available.
• hasPrevPage: A boolean that indicates whether there is a previous page of data available.
• getNextPage(): A function that returns a next page data, error, hasNextPage, hasPrevPage, getNextPage and getPrevPage. It returns null if there is no next page.
• getPrevPage(): A function that returns previous page data, error, hasNextPage, hasPrevPage, getNextPage and getPrevPage. It returns null if there is no previous page.

Note: fetchQueryWithPagination only works with queries that has support for pagination.

Example

import { fetchQueryWithPagination } from "@airstack/node";

const { data, error, hasNextPage, hasPrevPage, getNextPage, getPrevPage } =
  await fetchQueryWithPagination(query, variables);