web3.js/docs/web3-bzz.rst

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========
web3.bzz
========
.. note:: this API is not final yet!!
The ``web3-bzz`` package allows you to interact swarm the decentralized file store.
For more see the `Swarm Docs <http://swarm-guide.readthedocs.io/en/latest/>`_.
.. code-block:: javascript
var Bzz = require('web3-bzz');
// "Bzz.providers.givenProvider" will be set if in an Ethereum supported browser.
var bzz = new Bzz(Bzz.givenProvider || new Bzz.providers.WebsocketProvider('ws://some.local-or-remote.node:8546'));
// or using the web3 umbrella package
var Web3 = require('web3');
var web3 = new Web3(Web3.givenProvider || new Web3.providers.WebsocketProvider('ws://some.local-or-remote.node:8546'));
// -> web3.bzz
------------------------------------------------------------------------------
.. include:: include_package-core.rst
------------------------------------------------------------------------------
.. include:: include_package-net.rst
------------------------------------------------------------------------------
upload
=====================
.. code-block:: javascript
web3.shh.upload(localfspath, defaultfile [, callback])
Uploads files or folders to swarm.
----------
Parameters
----------
1. ``String`` - ``localfspath``: The file or directory to upload.
2. ``String`` - ``defaultfile``: The default to use when no file on the manifest path could be mapped. For JavaScript Dapps that is normally an ``index.html``.
3. ``callback`` - ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``String``: Returns the content hash of the manifest.
-------
Example
-------
.. code-block:: javascript
web3.shh.upload('/User/me/sites/myApp', '/User/me/sites/myApp/index.html')
.then(console.log);
> '246749122b6435dc395250c44c8ebc2eaa13dff2f3986ce5265148d84e619d20'
------------------------------------------------------------------------------
download
=====================
.. code-block:: javascript
web3.shh.download(bzzHash, localdirpath [, callback])
Downloads files and folders from swarm.
----------
Parameters
----------
1. ``bzzHash`` - ``String``: The file or directory to download.
2. ``localdirpath`` - ``String``: The local folder to download the content into.
3. ``callback`` - ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``?``:
-------
Example
-------
.. code-block:: javascript
web3.shh.download('246749122b6435dc395250c44c8ebc2eaa13dff2f3986ce5265148d84e619d20', '/User/me/sites/someApp')
.then(console.log);
>
------------------------------------------------------------------------------
put
=====================
.. code-block:: javascript
web3.shh.put(content, contentType [, callback])
Allows to upload a raw data blob to swarm.
Creates a manifest with an entry. This entry has the empty path and specifies the content type given as second argument.
----------
Parameters
----------
1. ``content`` - ``String``: The data blob to store.
2. ``contentType`` - ``String``: The MIME content type to assign for that data.
3. ``callback`` - ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``String``: Returns the content hash of the manifest.
-------
Example
-------
.. code-block:: javascript
web3.shh.put('0x2345676432', 'text/html')
.then(console.log);
> '246749122b6435dc395250c44c8ebc2eaa13dff2f3986ce5265148d84e619d20'
------------------------------------------------------------------------------
getManifest
=====================
.. code-block:: javascript
web3.shh.getManifest(bzzHash [, callback])
Description missing.
----------
Parameters
----------
1. ``bzzHash`` - ``String``: The path to a file, it will then download its manifest JSON file.
2. ``callback`` - ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``Object``: the manifest JSON object of the hash location
-------
Example
-------
.. code-block:: javascript
web3.shh.getManifest('246749122b6435dc395250c44c8ebc2eaa13dff2f3986ce5265148d84e619d20')
.then(console.log);
> {
?
}
------------------------------------------------------------------------------
getInfo
=====================
.. code-block:: javascript
web3.shh.getInfo([callback])
Description missing.
----------
Parameters
----------
1. ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``?``:
-------
Example
-------
.. code-block:: javascript
web3.shh.getInfo()
.then(console.log);
>
------------------------------------------------------------------------------
modify
=====================
.. code-block:: javascript
web3.shh.modify(?, ?, ?, ? [, callback])
Description missing.
----------
Parameters
----------
1. ``?``: ?
2. ``?``: ?
3. ``?``: ?
4. ``?``: ?
5. ``Function``: (optional) Optional callback, returns an error object as first parameter and the result as second.
-------
Returns
-------
``?``:
-------
Example
-------
.. code-block:: javascript
web3.shh.modify(?, ?, ?, ?)
.then(console.log);
>