near-crust-ipfs

Near Crust IPFS Implementation

A node JS package to upload file using Crust dStorage Solution (IPFS, pinning service) for NFT marketplace on NEAR.

Install Package

npm i near-crust-ipfs

Functions

• upload(authHeader, content): to upload a file using Crust IPFS gateway
• pin(authHeader, cid, fileName): to pin a file using Crust IPFS pinning service
• uploadToCrust(file): to upload & pin a file using Crust IPFS.

For NEAR, authHeader can be created by this code block:

    // 1. get authheader

    const keyPair = KeyPair.fromRandom('ed25519');

    // get address
    const addressRaw = keyPair.getPublicKey().toString();
    const address = addressRaw.substring(8);

    // get singature
    const {signature} = keyPair.sign(Buffer.from(address));
    const sig = u8aToHex(signature).substring(2);

    // Authorization: Bear <base64(ChainType-PubKey:SignedMsg)>
    // compile a authHeader

    const authHeaderRaw = `near-${address}:${sig}`;
    const authHeader = Buffer.from(authHeaderRaw).toString('base64');

How to use

Using React Dropzone Component

• React Dropzone
• Sample Code

Using html file upload

Import library to your js file.

• import { uploadToCrust } from "near-crust-ipfs"

Create a html file upload

• <input type="file" onChange={(e) => handleInputChange("file", e.target.files[0])} />

Create a function handleInputChange to handle state, and use uploadToCrustFunction to upload

• await uploadToCrust(file)