How does Bitcoin Core manage its peer nodes? Is it possible to let it automatically switch to faster nodes?

It’s usually frustrating when my Bitcoin Core full node is syncing, especially just catching up from merely several hours/days ago. I wonder how does Bitcoin Core manage its peers? Will it disconnect with slower nodes, and then turn to faster ones? I once heard of the eclipse attack issue. However, as far as I know,…

spend from p2sh with bitcoinj

i am try to spend the coins on a p2sh first, i generate p2sh and send coins to that p2sh ECKey clientKey = new ECKey(); ECKey serverKey = new ECKey(); ECKey thirdPartyKey = new ECKey(); List<ECKey> keys = ImmutableList.of(clientKey, serverKey,thirdPartyKey); Script multisigScript = ScriptBuilder.createP2SHOutputScript(2, keys); String address = multisigScript.getToAddress(params).toString(); then i send coins to the…

Could not deploy on Ropsten network using Truffle

I have following truffle-config.js file const fs = require(‘fs’); const HDWalletProvider = require(“truffle-hdwallet-provider”); const secrets = JSON.parse( fs.readFileSync(“abc.txt”).toString().trim() ); module.exports = { networks: { ropsten: { provider: () => new HDWalletProvider( secrets.seed, `https://ropsten.infura.io/v3/${secrets.projectId}` ), network_id: 3 } } } but when i run this command truffle(develop)> migrate –reset –network ropsten, i am facing following error;…

Geth’s golang contract bindings need “RPC subscription features that are still under review” to process event logs. What are those features?

The documentation for Geth’s golang contract bindings start out with Please note, events are not yet implemented as they need some RPC subscription features that are still under review. What subscription features are needed, in order to implement events? I’m asking because I’d like to assess the feasibility of making golang’s contract bindings a full-fledged…

Geth’s golang contract bindings need “RPC subscription features that are still under review” to process event logs. What are those features?

The documentation for Geth’s golang contract bindings start out with Please note, events are not yet implemented as they need some RPC subscription features that are still under review. What subscription features are needed, in order to implement events? I’m asking because I’d like to assess the feasibility of making golang’s contract bindings a full-fledged…