use bitcoin::network::constants::Network;
use bitcoin::hash_types::{BlockHash, Txid};
-use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, Signature};
-use bitcoin::secp256k1::recovery::RecoverableSignature;
+use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, ecdsa::Signature};
+use bitcoin::secp256k1::ecdsa::RecoverableSignature;
use regex;