Questions tagged [wss]

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1 answer
44 views

NGINX Reverse Proxy JSON Parse Error

I have NGINX and SSL set up on Digital Ocean Linux Ubuntu, running an RPC node. The RPC node sees the Polkadot-JS/apps and accepts the connection but the Polkadot-JS/apps never sees anything in return ...
1 vote
1 answer
37 views

List of WSS endpoints for parachains (OR Is there a way to parse typescript code into JSON or other python readable object?)

I would like to programmatically get a list of all the WSS urls for parachains. I don't know if this is available anywhere, but I have not seen it. This source code has what I want, but it is in the ...
1 vote
0 answers
19 views

No new blocks with dockerized local RPC node

I want to run the substrate node locally(with docker) to use it as an RPC provider(via ws). I want to use "author.pendingExtrinsics" method as well as "chain.subscribeNewHeads" and ...
0 votes
1 answer
77 views

RPC connection errors(rate limits?)

how to check the rate limits of concrete RPC? it works until some time and then starts throwing an error. I suspect it's the rate limits I connect to the remote node. For example "wss://acala-rpc....
1 vote
0 answers
180 views

Nginx Websocket Proxy Error - 502 Bad Gateway

I am getting this error below from nginx [error] 32#32: *4 upstream prematurely closed connection while reading response header from upstream, client: 172.21.0.1, server: , request: "GET / HTTP/1....
0 votes
1 answer
63 views

fork-off-substrate dying at 37% with rpc max size disconnect

I'm trying to get fork-off to work with a pair of custom types(https://github.com/hicommonwealth/edgeware-node-types) and I am getting fork-off-substrate to work with a WS socket instead of a HTTP RPC ...
  • 171
0 votes
0 answers
151 views

Reverse proxy and WSS conectivity issue after updating to v0.9.23

I have a cloud VM running multiple substrate nodes with a reverse-proxy configuration. Upon updating the nodes to the latest version (v0.9.23) I noticed I can't query or submit extrinsics anymore ...
1 vote
2 answers
36 views

Can't connect to pokadot-js UI from my VPS blockchain

I ran a Polkadot node from my VPS: ./target/release/polkadot \ --alice \ --validator \ --base-path /tmp/relay/alice \ --chain rococo-custom-2-raw.json \ --port 30333 \ --ws-port 9944 But it's not ...