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Autor: caedes
Data:  
Para: William Swanson, Amir Taaki
CC: libbitcoin@lists.dyne.org
Assunto: Re: [Libbitcoin] Direct websockets server
Websockets and a rest api would be well received by novice devs.

I think they can work also with a js api no matter what's behind as long
as it works as well

Btw, we do have ws support through the gateway atm, and rest was also
half developed, this is something other ppl could use and definitely can
get more love from the community.

Also dont forget the darkwallet gateway comes with more tools needed for
apps: txradar, brc, that also can get access by the same protocol (maybe
you already thought to give access to those functionalities directly
from the server without the need of an additional component). We also
provide ticker proxy services but those are not libbitcoin related.

cheers!


On 06/11/14 20:30, William Swanson wrote:
> Yes, we definitely need websockets!
>
> This last weekend, I went to the Bay Area to help mentor a Hackathon.
> The hackathon had over a hundred students, and they produced about 14
> projects. Unfortunately, every single project, without exception,
> relied on a centralized blockchain API like CoinBase or
> Blockchain.info. This is not good! Companies like CoinBase are rapidly
> turning into the new banking establishment, destroying the
> decentralization we have worked so hard to achieve.
>
> If we want to reverse this trend, we need some easy-to-use,
> web-compatible Blockchain data server to compete with these
> proprietary services. The libbitcoin-node project can certainly
> provide this, but not over ZeroMQ. Websockets are our best hope.
>
> -William
>
> On Thu, Nov 6, 2014 at 11:11 AM, Amir Taaki <genjix@???> wrote:
>> I've been playing today with websocketpp, which only depends on boost
>> and is still actively developed.
>> It's simple to use and asynchronous (based off boost ASIO) which makes
>> it ideal.
>>
>> Here's what I used on Ubuntu 13.10 to compile it:
>>
>> export BOOST_INCLUDES=/usr/include/
>> export BOOST_LIBS=/usr/lib/x86_64-linux-gnu/
>> scons
>> cd build/release/echo_server/
>> ./echo_server
>>
>> In another terminal window:
>>
>> sudo pip install websocket-client
>>
>> Create test.py and run it:
>>
>> from websocket import create_connection
>> ws = create_connection("ws://localhost:9002/")
>> print "Sending 'Hello, World'..."
>> ws.send("Hello, World")
>> print "Sent"
>> print "Reeiving..."
>> result = ws.recv()
>> print "Received '%s'" % result
>> ws.close()
>>
>> Other options:
>>
>> * QtWebSockets - not sure where it's used or how well developed it is.
>> * libwebsockets - "lightweight pure C library built to use minimal CPU
>> and memory resources, and provide fast throughput in both directions."
>>
>> libwebsockets seems very cool, especially the zero-copy write but it
>> looks more complex to use:
>> http://git.libwebsockets.org/cgi-bin/cgit/libwebsockets/tree/test-server/test-echo.c
>>
>> here's websocketpp for comparison:
>> https://github.com/zaphoyd/websocketpp/blob/master/examples/echo_server/echo_server.cpp
>>
>> websocketpp should be easy to natively integrate as a transport into
>> libbitcoin-server.
>>
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