I am trying to find a way to send bitcoins from one address to another, having only private key, without importing any wallets, just simply get txins, create a transaction and send it to some address.
I tried to create this raw transactions manually, but it's really hard to manage all this p2pkh > p2wpkh, p2wpkh > p2sh destinations, mixed transactions, so I want to use bitcoinlib. Is there any way to do this using my own node? Or maybe there is some better ways?