<whoa_>
The typescript creates a client with "this.client = IpfsApi('http://localhost:5001');" and works on my computer but docker I get that socket error. The docker container (docker 17.05.0-ce, docker-compose 1.14.0-rc1) is of base/archlinux with ipfs installed (vers. "go-ipfs-0.4.9-1-x86_64") and npm. In the dockerfile the ipfs is configured with the options "API.HTTPHeaders.Access-Control-Allow-Origin '["*"]'" and ...Allow-Credentials '["t
<whoa_>
I run the container and connect to npm's exposed port from my host's browser, and it works until it tries to add objects to ipfs - the app throws an error "POST http://localhost:5001/api/v0/add?stream-channels=true net::ERR_SOCKET_NOT_CONNECTED".
<whoa_>
[I previously had ipfs and npm in separate containers, but I wanted to eliminate the possibility it was the inter-container connection(s).]
<whoa_>
* configs should have ended "...Allow-Methods '["PUT", "POST", "GET"]' and Addresses.API /ip4/0.0.0.0/tcp/5001."
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<crankylinuxuser1>
I know it's not usually good to use habitually, but is your networking set up correctly? If you SSH in to the docker, can you open a socket manually to ipfs's :5001 service ?
<whoa_>
I can open a terminal on the docker container and reach the ipfs api via cURL
<whoa_>
this works: curl -F "image=@/home/bar.txt" localhost:5099/api/v0/add?steam-channels=true
<whoa_>
sorry, more typos curl -F "image=@/home/bar.txt" localhost:5001/api/v0/add?steam-channels=true
<crankylinuxuser1>
What do the angular2 logs say when it tries to connect?
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<whoa_>
do you mean the javascript console? it logs the above socket error, and expands to "(anonymous)@zone.js:879 ClientRequest._onFinish@VM906:46135 (anonymous)@VM906:46077" ...etc
<whoa_>
this is not when the angular2 creates the ipfs client, but when it tries to client.add(...)
<crankylinuxuser1>
hmm, I think I'm out of my league on this one.
<crankylinuxuser1>
:/
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<whoa_>
yeah, have been stuck all day on this
<whoa_>
it isn't giving me any clues to go on
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<crankylinuxuser1>
I dont know.. I tend to want to stick back with standard JS rather than libs like Angular(2). They seem to move too fast, break stuff, badly documented.
<whoa_>
the app works if I run it normally, i.e. not in docker containers
<crankylinuxuser1>
Hmm.. Have you checked if localhost resolves ?
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<crankylinuxuser1>
or 127.0.0.1 ?
<whoa_>
let me try and simplify it down - I'll check if I can curl (on host) to a docker-ised ipfs
<infinitesum>
If it only happens in the browser but not in the terminal, maybe a CORS issue?
<whoa_>
I've tried localhost and 127.0.0.1
<crankylinuxuser1>
I believe that dockerd is doing something funky with localhost...
<crankylinuxuser1>
I know, with y experiences with OpenStack (I know, VM vs container), that Neutron does abhorrent and weird stuff with networking as well. Any VM/container has to do this. Same with Kubernetes, and Mesos.
<infinitesum>
Also did you try looking at the network tab to see if it's getting a valid resonse? E.g. the npm server might be working fine, but you might be returning the wrong thing from some angular function, or missing some header needed for the browser to accept the data
<whoa_>
let me read the stackoverflow in a minute - a new experiment shows that I can cURL to an ipfs daemon in a running docker container, but not to an ipfs daemon running in a docker-compose thing
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<crankylinuxuser1>
what's going on with "Origin:http://localhost:4200" ?
<whoa_>
that's the angular2 app port
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<whoa_>
thanks guys, have fixed it now
<whoa_>
returned to ipfs and npm in separate docker containers - this allowed me to cURL from outside
<whoa_>
then removed the "--offline" flag for the ipfs daemon
<whoa_>
have no idea if that was causing the error, but that's what I did and now it works
<whoa_>
unfortunately I was tinkering faster than I was writing things down, so I cannot promise this was the issue
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<whoa_>
a colleague here says that his extremely similar docker-compose setup works fine with the --offline flag, so ...
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<madvas>
Guys, is there some beginner friendly tutorial on how to setup SSL for IPFS served website from custom domain? Nothing I found on web makes much sense to me
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<fabrixxm>
nginx as reverse proxy?
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<madvas>
could you please give me some more info?
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<MaybeDragon>
madvas, if you set up a reverse proxy to handle the SSL stuff, then the IPFS gateway can run without SSL
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<reposiege>
Hey ya'll. I've been reading up on ipfs and started to wonder. In theory, it seems extremely well suited for piracy. To anyone's knowledge, is it used for this sort of thing. And further, would/does ipfs condone such usage?
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<Mateon1>
IPFS wants to stay piracy free, to be able to be included in web browsers, etc. without issues. If you want to pirate, however, nothing is stopping you. There exist DMCA blocklists, but they are opt-in, and the public gateways will use them.
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<reposiege>
Okay, well that anwers my question quite well. Thanks!
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<crankylinuxuser1>
Yeah, you see how BtTorrent has turned out. It's "The" pirate solution, regardless if it works exceptionally well for immutable loads spread across a wide area.
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<reposiege>
What do you mean cranky? Are you impling ipfs would be better suited then straight up bittorrent? or am I misinterpreting your comment?
<crankylinuxuser1>
It would absolutely be better. Because I can update individual files, and block deduplication allows a new hash without uploading everything.
<crankylinuxuser1>
But it would be better at serving CDN based content, end of story. Anything that would go to a number of computers would be best servied by IPFS>
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<crankylinuxuser1>
But this isn't a tech problem. It's an image problem. If the pirates and other.. bad purposes move to IPFS early on, it's doomed politically.
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<reposiege>
Right, piracy should leverage existing and common platforms to decrease the likelyhood of it being takendown.
<crankylinuxuser1>
Im not a dev here, but it seems the end goal is to: 1. get IPFS into IETF standard 2. Get handling/implementations built into mainstream browsers. 3. Get tools that allow easy content management with IPFS
<reposiege>
So the goal would be to completely takeover the internet? To add a extra de facto layer to it.
<ehd>
So I know filecoin is hopefully coming up soon (gosh darn I need it), but is there also something like, eh, lambdacoin where people can pay for trusted computation?
<ehd>
Not talking about smart contracts but plain old programmidoos like JavaScript or WASM
<reposiege>
Isn't that what ethereum does?
<crankylinuxuser1>
reposiege: Not really. There's loads of content that's not "protected". Lots of images, videos, text. If I could guarantee the content, it doesn't matter who I get it from.
<r0kk3rz>
ipfs doesnt really do computation as such, its mostly a transport layer
<crankylinuxuser1>
ehd.. Yeah, I've played around with Erlang, and storing function code in IPFS. It doesn't solve the problem you have, but I could see a Erlang node take in a IPFS hash, and "run it"..
<reposiege>
But ipfs doesn't do computation right? Not like zeronet?
<ehd>
r0kk3rz: I didn’t know of that, that looks cool!
<ehd>
reposiege: No, but you could build it on top using IPFS primitives
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<crankylinuxuser1>
Nope. There's no inherent computation in IPFS. Just storage, and starting to do message passing (like MQTT)
<ehd>
Yeah, some primitives are still missing to do this efficiently
<reposiege>
What is the purpose of messge passing in ipfs?
<ehd>
reposiege: Personally I’d say ipfs (the group of people) is making proper open low level protocols for everything peer 2 peer
<r0kk3rz>
mostly broadcasting updates to things, but like mqtt it could be used for anything
<ehd>
Since message passing is a vital part of making social systems there’s that
<reposiege>
Right, that makes sence.
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<crankylinuxuser1>
For example, a new IPFS hash is added, a message could be passed that mentions the new hash available.
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<reposiege>
Am I correct in understanding that hosting apps is not posible? Of course you could do webapps with js but you can't have a backend or database right? Or is that where the version aspect comes in?
<ehd>
Also, there’s IPNS, which isn’t high frequency, low latency, but it’s a very good primitive for many things that are being done half-assedly today and it goes very well with merkel dawgs
<crankylinuxuser1>
There is a shared storage backend.. IPFS. But yes, there's no compute backend.
<ehd>
reposiege: It’s certainly possible and also very awesome to host your app *code* and static data with IPFS, but...
<crankylinuxuser1>
You end up having to store IPFS keys in browser cache.
<r0kk3rz>
ehd: yes decentralised applications stored on ipfs is where its at
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<reposiege>
But zeronet seems more aimed at that usecase?
<crankylinuxuser1>
Try that for a webapp. It's Node-Red in browser. Called PageNodes.
<Mateon1>
You can make "backend"-like code without an actual backend, again, look at the Orbit chat application https://orbit.chat/ (or /ipns/orbit.chat)
<crankylinuxuser1>
I was the one who packaged it for IPFS. I didn't write it.
<ehd>
The notion of "backend" is super interesting
<ehd>
The classic notion
<ehd>
It’s a mix of: we trust ”owner of DNS name” to do 1) faithful computation and 2) store our data (for free)
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<ehd>
I’d rather pay 0.00001 Schnitzelcoins for doing a computation on my behalf and store my data for 0.00001 file coins :)
<ehd>
Aggregate computation is just a more elaborate computation, but there’s existing models for cost sharing I believe
<ehd>
(Slash the "just", it’s actually hard, but hey it’s fun let’s figure out better ways of doing that)
<crankylinuxuser1>
The "store data" can be proven with cryptographic hash. I've batted around ideas of computation. One idea was to submit the data to 3 separate compute entities on a network, and return the majority answer.
<crankylinuxuser1>
But I'm absolutely sure the P2P grail-book has much better algo's than that
<ehd>
seti @ home comes to mind, redundant computation for verification
<Mateon1>
ehd: Yep, most projects either: 1) have 2 "replicas" of the computation, like PrimeGrid. 2) Have no replicas, but have a relatively-quick verification algorithm.
<reposiege>
Very cool. I'm intrested in seeing where ipfs wil go over the next few years ;)
<Mateon1>
In either case, if the result is invalid/mismatching, a new job is assigned for the same task
<ehd>
The thing with general purpose computation is there is no quick verification algorithm
<crankylinuxuser1>
yeah, I could see verification to be difficult, with the halting issue in play.
<ehd>
It’s the good old “perfect monitoring is just doing it again and comparing results” :)
<ehd>
Heh
<r0kk3rz>
the intel SGX is a different idea on how to tackle trusted computing
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<ehd>
But also, I have a big ass gaming rig at home that can do stuff for me. As in I invest money in hardware once and power, now it can do stuff for me when I’m not playing DOOM on 4K ultra settings
<crankylinuxuser1>
Yeah.. If Trusted computing meant I had control of my key, I could see that as a way forward.
<ehd>
The other option is "just" paying AWS/MS/GOOG to do computation for you if no other compute node is readily available
<reposiege>
Well, thanks again guys. I'm off
<crankylinuxuser1>
my key is root. I could delineate trust to keys for time-slices, and they could guarantee that the results are not tampered with... But instead, AMD and Intel sold out to hollywood.
<ehd>
reposiege: Thank you!
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<ehd>
Well, who’s done reliable request-response on top of ipfs pubsub yet?
<crankylinuxuser1>
I've not done that yet with IPFS, but I've done that with Mosquitto/Tor
<crankylinuxuser1>
IPDB is just a blockchain database in another IPFS backed network (not part of the standard IPFS). Correct?
<AphelionZ>
yeah that's what I was wondering - what are the implications of one "owning" the data or at least a mirror of it?
<AphelionZ>
i don't want all my stuff to just disappear or whatever
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<ehd>
AphelionZ: I think, as per the classic IPFS principle, you only replicate what you ask for, and if you want to keep it you, and ppeople you trust, should pin that data, plus there will be filecoin to make sure stuff doesn't disappear in the future
<AphelionZ>
so ipdb provides APIs and an underlying blockchain infrastructure on IPFS
<AphelionZ>
and then I can replicate my data on my own machine to keep it around?
<chpio[m]>
what's ipdb? orbit?
<AphelionZ>
bigchaindb it seems
<AphelionZ>
i think it's ultimately bigchaindb implemented with ipfs as a storage backend
<ehd>
Does bigchain/ipdb not use IPFS as a block storage layer?
<AphelionZ>
I think it does
<ehd>
Yeah, it’s a bit difficult to find out
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<ehd>
There’s more CSS than TXT on the landing page :p
<AphelionZ>
;)
<crankylinuxuser1>
IIRC, they changed the root key of what network IPFS lives on, so it's own private IPFS.
<AphelionZ>
well as long as i can run ipfs pin [my root hash of my ipdb] then i should be happy
<chpio[m]>
but bigchain needs ethereum? so each update would cost eth, i guess?
<AphelionZ>
chpio[m]: that part seems abstracted pretty far away - to date i have never bought or spent any eth
<AphelionZ>
they might have their own cache of eth they're using.. not sure how that works
<chpio[m]>
k, thanks
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<crankylinuxuser1>
But speaking of databases.. I just found out about this http://pgloader.io/ . It migrates seamlessly from MySQL to Postgres.
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<ehd>
I need to talk to a buddy about hacking the appropriate parts of postgres on top of IPFS, DOOM style
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<AphelionZ>
if I can run postgres on top of ipfs and then use django to admin i will be a very happy ipfs user
<AphelionZ>
theoretically dbs are just... files
<AphelionZ>
but yeah
<AphelionZ>
also needs to be encrypted at rest :p
<ehd>
There’s #work involved, but I know just the guy :P
<r0kk3rz>
and made of unicorns
<crankylinuxuser1>
I'd also consider getting it working with a graph DB too.
<AphelionZ>
r0kk3rz: not with that attitude ;)
<ehd>
graph DB is oddly similar to merkle dags + eager compute layer
<crankylinuxuser1>
ipfs hashes are an acyclical graph.. It seems like it might work beter?
<crankylinuxuser1>
heh, ehd :)
<AphelionZ>
whats the closest thing to indexedDB on the server?
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<AphelionZ>
something like mongo?
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<ehd>
AphelionZ: Look at leveldb maybe
<ehd>
There are abstractions of the low level leveldb storage layer implemented via IDB
<ehd>
Not 100% sure but I’d guess js-ipfs is also using that
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<sdgathman>
Brusselssprouts! I can't find the hash table algorithm that cannot be iterated.
<sdgathman>
And google only knows about algorithms "optimized for full iteration"
<sdgathman>
But I think I can invent my own. Just encrypt the keys and values with the hash key. That doesn't allow reorganizing, so the hash table needs to be a fixed size and collisions chained.
<sdgathman>
One of these days, I'll add that to IPFS storage to prevent fishing expeditions on an ipfs cache. Although they can still look for specific banned content.
<sdgathman>
The key size is effectively reduced by the bits in the hash table size.
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<sdgathman>
Hmm. That still leaks the size of values. Maybe values can be padded by a random amount.
<sdgathman>
If we don't allow deletes, and encrypt the value size, we can hide the size of values.
<sdgathman>
If we implement cache management (by deleting old unpinned entries), then we must necessarily know the size rounded to some block size (which helps a little).
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