@iexec/dataprotector/dist/src/services/arweave.js

This product enables users to confidentially store data–such as mail address, documents, personal information ...

import { DEFAULT_ARWEAVE_GATEWAY, DEFAULT_ARWEAVE_UPLOAD_API, ARWEAVE_FREE_UPLOAD_MAX_SIZE, } from '../config/config.js';
const add = async (content, { arweaveGateway, arweaveUploadApi } = {}) => {
    if (content.length >= ARWEAVE_FREE_UPLOAD_MAX_SIZE) {
        throw Error(`Arweave upload ${(ARWEAVE_FREE_UPLOAD_MAX_SIZE / 1024).toFixed(0)}kb size limit reached`);
    }
    let arweaveId;
    try {
        const payload = new FormData();
        payload.append('file', new Blob([content]));
        const res = await fetch(`${arweaveUploadApi || DEFAULT_ARWEAVE_UPLOAD_API}/upload`, {
            method: 'POST',
            body: payload,
        });
        if (!res.ok) {
            throw Error(`Arweave upload API answered with status ${res.status}`);
        }
        try {
            const data = await res.json();
            arweaveId = data?.arweaveId;
            if (!arweaveId) {
                throw Error('missing arweaveId');
            }
        }
        catch (e) {
            throw Error('Arweave upload API answered with an invalid response', {
                cause: e,
            });
        }
    }
    catch (e) {
        throw Error('Failed to add file on Arweave', { cause: e });
    }
    const publicUrl = `${arweaveGateway || DEFAULT_ARWEAVE_GATEWAY}/${arweaveId}`;
    await fetch(publicUrl)
        .then((res) => {
        if (!res.ok) {
            throw Error(`Arweave gateway answered with status ${res.status}`);
        }
    })
        .catch((e) => {
        throw Error(`Failed to load uploaded file at ${publicUrl}`, { cause: e });
    });
    return arweaveId;
};
export { add };
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