this post was submitted on 24 Nov 2023
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IPFS

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The InterPlanetary File System (IPFS) is a set of composable, peer-to-peer protocols for addressing, routing, and transferring content-addressed data in a decentralized file system. Many popular Web3 projects are built on IPFS - see the ecosystem directory for a list of some of these projects.

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I have uploaded 2 Files with the IPFS Desktop APP. When i click on Share Link and put the Link in the browser i find nothing and get a Timeout after a few minutes. When I click on Inspect and then on
View on Public Gateway also nothing happens. When i click on "View on Local Gateway" the file is beeing downloaded. What did i do wrong? Why cant nobody access my file through IPFS?

Thanks in advance!

(The Link to the second file: https://ipfs.io/ipfs/QmXyeWVSj4G87eNwSpKzS2h7FbbRiAuaJwk5qXR8LNbAwd?filename=verify_range.zok ).

https://preview.redd.it/ux1gepptib2c1.png?width=2593&format=png&auto=webp&s=48f9f904b26a3f79c915186afb7d23c23a88a18f

https://preview.redd.it/xoqzk3t5jb2c1.png?width=1765&format=png&auto=webp&s=39750ee4383afdba60a412d5e88e19826509b086

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[–] DigitalDude_42@alien.top 1 points 1 year ago (1 children)

The file you posted worked for me. So it must have gotten there as you were trying to fetch it.

I got,

import "hashes/sha256/512bitPadded.code" as sha256;
from "ecc/babyjubjubParams" import BabyJubJubParams;
import "signatures/verifyEddsa.code" as verifyEddsa;
import "ecc/babyjubjubParams.code" as context;

def main(u32 min, u32 max, u32 [8] attr, private u32 [8] vc, private field[2] R, private field S, field[2] A, u32[8] M0, u32[8] M1) -> bool{
    //Verify Signature (R,S) with PupKey (A) on Hash (M0, M1)
	BabyJubJubParams context = context();
    bool isVerified = verifyEddsa(R, S, A, M0, M1, context);
    u32[8] hash1 = sha256(attr, vc);
    // M0 is the first 32 bytes of sha256(input 1 || vc) || sha256(attr || vc)
    bool hashcheck = hash1 == M0;

    bool rangeCheck = vc[7] >= min && vc[7] <= max;

    bool r = isVerified && hashcheck && rangeCheck;

    return r;
[–] reddragon_alex@alien.top 1 points 1 year ago (2 children)

Thank you! Now it also works for me, but when i try to look for the other File (its 58MiB
big while the code above is just 781B) i get, again, a timeout error. Is there a size limit?

(Second Link: https://ipfs.io/ipfs/QmajAs8D7HU56Rh3qckQ4FZkFnZFLTi3hsjzhuUESgaakL?filename=proving.key)

[–] DigitalDude_42@alien.top 1 points 1 year ago

Could take a few attempts. Public gateways can have various issues. For instance the number of peers takes a while for DHT to propagate, AFAIK.

[–] volkris@alien.top 1 points 1 year ago

Larger files get split up into numerous small blocks, so it can cause issues when the requester has to track down and request all of those separate blocks.

[–] LambdaWire@alien.top 1 points 1 year ago

Loads fine for me. It usually takes a while till the gateway nodes find your content. Since its only one of thousands if not millions of nodes hosting it.

[–] themihter@alien.top 1 points 1 year ago

that’s ok, it just takes time for other nodes to know about your content, but once they known it works fast

[–] Trader-One@alien.top 1 points 1 year ago

you can speed up process by: ipfs DHT provide Qm...

[–] quanvndzai@alien.top 1 points 1 year ago

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