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Run Substrate-node-template with wss and secure rpc

I was running substrate node template with non secure ws connection . After integrating with pallet-evm,pallet-ethereum and other precompiles , I wanted to connect to metamask with secure rpc ...
Md Raisul Islam Rony's user avatar
2 votes
1 answer

How can I create OCW that won't activates every block, but will activates only when I call function that it represents?

I wanna create OCW that will send a http request to the API and get the response and use this response in runtime code to call extrinsic with this data. This OCW should triggers only when I want to ...
Artem Levchuk's user avatar
2 votes
0 answers

Proof-of-Work Substrate Chain with Multiple Validators

I'm working on a Proof-of-Work (POW) substrate chain. Assuming we have four validators, all of which have enabled on-chain workers (OCW), is it accurate to state that each validator's OCW fetches data ...
Deepak Chaudhary's user avatar
3 votes
0 answers

sending an http request in unit tests?

I'm trying to arrange some unit tests for a local http server connectivity my node communicates with. While the node has no troubles while sending requests, I face difficulties trying to build basic ...
Yury Yukhananov's user avatar
1 vote
1 answer

Parachain RPC errors since Polkadot 0.9.36 client upgrade

Astar uplifted to Polkadot 0.9.36 in v4.47.1 Client upgrade introduces 2 new errors on RPC nodes, both WS and HTTP. HTTP: lots of these errors - seems high impact HTTP serve connection failed hyper::...
bLd's user avatar
  • 182
2 votes
1 answer

Only one node should make http call from OCW

I'm trying to figure out with OCW. And have a question is it possible to configure OCW so that if one node starts an HTTP call in OCW other nodes will skip it. I checked all examples I could find ...
Leu Barycheuski's user avatar
3 votes
1 answer

Can we enable off-chain workers http client to support web-sockets request?

As for now it supports rest request, and some duration limitation due to valid reasons. So my question is can we enable or work with web sockets for monitoring data changes , as for now we are only ...
Mrisho Lukamba's user avatar
3 votes
4 answers

How to setup bootnode to use DNS address instead of IP4?

I currently have a node running on the cloud and I've set its websocket port to a custom domain following Polkadot's Nginx config (here). I would like to be able to use this node as a bootnode for ...
edmassarani's user avatar
1 vote
2 answers

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 ...
user6894661's user avatar