use bitcoin::hash_types::{BlockHash, Txid};
use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, ecdsa::Signature, Scalar};
+use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::secp256k1::ecdsa::RecoverableSignature;
use regex;
#[cfg(feature = "std")]
use std::time::{SystemTime, UNIX_EPOCH};
-use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::Sequence;
pub struct TestVecWriter(pub Vec<u8>);