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Questions tagged [swarm]

incentivised, censorship-resistant decentralised storage

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18 views

How do we extract the content of a hash manifest generated by swarm after a download?

As far I know, whenever we upload a file or a directory using: swarm up File we get back a hash that is the manifest containing the uploaded file. However, I am not sure I do understand how to ...
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17 views

Why Swarm so slow? No peers found?

I made # swarm up 1.mp4 58740257f3519e1e20a85994eefc3a4d8d40ac5f8649d5acf93d174676279ad5 and push 497Mb video to swarm. Swarm works and connected to my account. When I try in Chrome localhost:...
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14 views

Does Swarm reward content owner?

Here https://github.com/ethereum/go-ethereum/wiki/Swarm---TODO I saw -- scheme to reward content owner each time content is accessed. i.e accessing content would requires fee. this would reward ...
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59 views

How to fix “unexpected directory layout” error when Installing go-ethereum?

All, I hope this question belongs here. I am following a Blockgeeks tutorial, trying to set up my environment for Ethereum blockchain development. I have basically gotten to the final step, ...
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1answer
20 views

What does it mean Ethereum Swarm account?

ETH wallet is something like 0xd0a6e6c54dbc68db5db3a091b171a77407ff7ccf I read Swarm docs and see in our example swarm --bzzaccount 2f1cd699b0bf461dcfbf0098ad8f5587b038f0f1 (You should ...
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1answer
16 views

How can I start swarm such that the api's are available from other machines?

I'm running this: swarm \ --bzzaccount $ACCOUNT \ --password .ethereum/.password \ --bzzapi "http://0.0.0.0:8500" \ --lightnode And when I curl from localhost I get a response: $ curl http:/...
2
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1answer
55 views

What is bzz protocol?

While studying about swarm, I came to know that every Swarm node exposes a local HTTP proxy that implements the BZZ URL schemes. What is BZZ protocol here?
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1answer
50 views

about ethereum swarm download speed

Torrents also increase in speed as the number of peers increases. swarm Is the same? This is because dividing the data into chunks is the same.
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59 views

How the Ethereum Swarm connects nodes and several related questions

Read everything after https://swarm-guide.readthedocs.io/en/latest/usage.html and leave an article. Some questions about etherium swarm Where is the uploaded data stored? And how do you find it? I ...
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0answers
24 views

Can't access swarm : bzz://theswarm.eth/ from mist browser

When accessing the URL in Mist, and after connecting my account, I get an empty white screen. Running on OS X with the version 0.11.1 of Mist. Any idea where it could come from ? Thanks.
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1answer
73 views

Some questions about ethereum swarm

I have read https://swarm-guide.readthedocs.io/en/latest/up-and-download.html. But it does not make sense. So I want to ask a few questions. After syncing geth and swarm, I uploaded the data to swarm....
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26 views

IPFS Protocol upgrade or migrations

How would I migrate from IPFS, let says that I got 10M files linked by IPFS, and I want to migrate all of them to Swarm, how would I do that? The question in a different way: I want to use a new ...
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42 views

Why download from Ethereum Swarm too low?

I have two 100mbps servers. On server #1 I execute: swarm up 50mb.testfile On server #2 I execute: wget -O 50mb.testfile http://localhost:8500/bzz:/.../ I see download speed 70KB/s In swarm log I ...
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39 views

Can we use Ethereum Swarm to store normal data other than blockchain or dapp data.

I want some basic data to be stored like name and city phone no etc.So just want to ask can I use ethereum swarm just to store file and make several node to create decentralized storage.
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1answer
42 views

How to upload file to public swarm?

I have ubuntu server. I tried to make root@vid:~# swarm up 1.txt 65b03c05950213ae7d3d55659aabe1828c07ea79c30a4e61e44342a8b5d41653 root@vid:~# How can I see this file from my local Mist browser? ...
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1answer
155 views

Does Ethereum Swarm work?

I need to upload 8Tb data to Swarm. I read docs but I can't understand: does public swarm work?
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1answer
42 views

How can we calculate swarm storage cost?

I am trying to integrate ethereum to another fin-tech app, the basic idea is to store the transaction details on swarm and then pass the hash on ethereum network. I haven't used swarm earlier and I am ...
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2answers
104 views

How do I install an OLD version of Geth and Swarm?

I need to install an old version of Swarm : version 1.7.3-stable , but I can't figure out how to install it from the command line. I'm on Mac OSX. I've found these old downloads: https://geth....
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1answer
52 views

Running Swarm on AWS

After succesfully setting up a POA network on azure (hurray for 1 click deployment), i wanted to set up a private Swarm cluster (well , 1 node will do for testing). I took an AWS EC2 instance to save ...
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1answer
88 views

Problem installing Swarm

I have a problem installing Swarm. when i enter sudo apt-get install ethereum-swarm i get a problem saying : dpkg: error processing archive /var/cache/apt/archives/ethereum-swarm_0.3.1+build14601+...
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1answer
172 views

Swarm in a Private Network

I have just finished installing Swarm and I managed to follow the documentation. I created a new account using geth account new and I connected using said account using the below line swarm -...
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0answers
17 views

Quorum Swarm: Can't find swarm account: no key for given address or file [duplicate]

While using Swarm in Quorum, I am getting the following error: Can't find swarm account: no key for given address or file Any similar encounters?
3
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1answer
410 views

How long do my files stay on IPFS when I upload it?

I'm trying to grasp the concept of how IPFS works. Say if I upload 1GB of data to IPFS. How long does it stay there? Or do I have to leave my computer on at all times for the file to be live on the ...
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2answers
121 views

In Ethereum and Swarm, Difference between Sharding and Chunking

Understand that in Ethereum further releases sharding will be included for scalability purposes. In swarm, "Chunks are pieces of data of limited size (max 4K), the basic unit of storage and retrieval ...
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2answers
341 views

MongoDB vs Ethereum Swarm

I am designing a DAPP. I have two options available for storage MongoDB OR Ethereum swarm(OR IPFS). As MongoDB also replicates data to multiple shards fault tolerance is available in MongoDB. What ...
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1answer
134 views

Does Swarm caches blocks like IPFS do?

When we retrieve a file through IPFS, it caches the file in IPFS' repository. Later when we want to fetch the same file or its updated version, only block that contains the changed character will be ...
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0answers
44 views

Swarm node crashes when uploading big files

I noticed that when I try to upload files which size are around 100KB or higher to swarm, my node crashes with the following message: panic: runtime error: slice bounds out of range goroutine 27181 [...
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1answer
172 views

How do the ethereum components work together

hy i have been reading about the ethereum project and its components, i understand that there are 3 major components (EVM, swarm, whisper) Swarm is a peer to peer data sharing network in which ...
2
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1answer
280 views

When should I use Whisper or PSS over Traditional Message Channel like AWS SQS?

What are the benefits using Whisper or swarm/PSS over using a centralized service like Amazon SQS? My use-case is: deliver information (to say to another party that they should do an action in a ...
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0answers
156 views

Web3 Swarm File Upload

When ever I upload a file using the command web3.bzz.pick.file() on my private swarm network. I keep getting the error ReferenceError: mimetype is not defined If I upload the same file from the ...
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1answer
138 views

Connecting 2 ethereum swarm nodes

I have two geth nodes and I want to run 1 swarm node on each node. I made a boot node for the two swarm nodes to communicate with each other. I run the first swarm node with the following command ...
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1answer
180 views

How to import data from MySQL database to swarm

In an application which is all ready developed and deployed data is stored in MySQL database. I want to import that data into swarm. Reasons to import data in swarm - 1) All the data shall not be ...
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2answers
857 views

Store and retrieve data of MongoDb documents using hash which is stored in blockchain

Blockchain can not store and shall not be used to store all the data of users. There are 2 reasons for that - 1) To store data in blockchain requires gas price (transaction cost) 2) Since all blocks ...
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1answer
188 views

Backend on swarm

I am currently building a dapp on my server which I would like to port to swarm or ipfs and make it completely decentralized. The initial app will be these components - front end javascript app - ...
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1answer
463 views

Is it possible to delete files in SWARM?

If not what are some similar protocols to IPFS and SWARM that allow you to delete files?
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1answer
451 views

Using EVM or Swarm for datastore

I want to maintain a datastore of key value pairs. For example, I have users of my dapp input their favorite food. I would like to map their account to the food name. It is my understanding that I can ...
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2answers
228 views

Smart contracts that interact with swarm content

Is it possible for a smart contract to access swarm-content to perform an operation? For example, lets say a user uploads a document to swarm. I would then like to take access the contents of the ...
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1answer
198 views

How to upload contract metadata to Swarm from command line?

I'm running a geth node in a private network, and running swarm in singleton mode on that network. I'm deploying contracts via JSON-RPC; I'm not using JavaScript. I run the command solc --optimize --...
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1answer
276 views

Swarm ethereum installation in windows

I tried to install swarm in windows.swarm comes up with mist browser .after that I have started running a private block chain using my custom genesis bloc and started running swarm using this below ...
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0answers
121 views

What is the current state of distributed storage? [closed]

Swarm, IPFS, Filecoin, etc.. What project(s) is typically best practice for dapp storage and what is the current state and future roadmap for dapp storage? Any recommendations on the best dapp stack?
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0answers
571 views

Swarm web3 upload file from browser

Im following this documentation to implement an application that I pick a file with an input tag <input id="upload" type="file" /> and im tyring to upload using web3 js : document....
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1answer
356 views

How can I use swarm with metamask or parity node?

I want to use swarm, but I wan't to download the all blockchain data. Is it possible to use metamask or parity node instead?
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1answer
282 views

Mist 0.9 Freeze: Downloading Swarm binary: 78%

I am running a fully synched geth 1.7.1 local node on mainnet (--datadir "G:) Mist 0.8.10 loads and works fine However when I close Mist 0.8.10 and try to run Mist 0.9.0 or 0.9.1 it seems to freeze ...
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1answer
96 views

Possible to search swarm or blockchain?

I'm getting my feet wet in this blockchain world and looking to build a dapp based on Ethereum for maintaining an inventory of products. About 400,000 items that can be updated, removed or added to by ...
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1answer
935 views

Files in contract

I am new to blockchain technology and Ethereum. Have downloaded Mist and mined some ether in the testnet Ropsten, also made a greeter contract just to get the feeling of it. What I want to do is to ...
2
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2answers
236 views

Does Swarm incorporate the Git protocol like IPFS does?

Does Swarm use Git for updating documents, like IPFS does, or does it use something else? I couldn't figure this out from reading any of the documentation?
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1answer
180 views

Does the rinkeby test network have swarm?

Does the rinkeby test network have Swarm ? If so, how do I synchronise with it using Geth and Swarm binaries ?
2
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1answer
207 views

NodeSync - Node crashed while syncing? TypeError: Cannot read property 'timestamp' of undefined

Previously Mist wallet worked. Now it stops at 'Started Swarm' and writes this to console. I'm using Qubes with Debian-8 template. I start Mist by ./geth --synchmode "light" in the .config/Ethereum ...
2
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1answer
219 views

Does Swarm architecture supports streaming video files

Though the prototypes are less in number, swarm architecture is able to upload picture files (alpha tested in LETH android app).Is Swarm presently equipped to support streaming videos or pre-recorded ...
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1answer
2k views

Installing swarm is giving: unrecognized import path “context” (import path does not begin with hostname)

I was getting started with Swarm. I am trying to install Swarm and am following the official tutorial for it. Being specific I ran the following commands: sudo apt install golang git curl -O https://...