use bitcoin::secp256k1::{self, PublicKey, Scalar, Secp256k1, SecretKey};
use crate::chain::keysinterface::{EntropySource, KeysManager, NodeSigner, Recipient};
use bitcoin::secp256k1::{self, PublicKey, Scalar, Secp256k1, SecretKey};
use crate::chain::keysinterface::{EntropySource, KeysManager, NodeSigner, Recipient};