message: fix: fix tests that get broken by rebase
diff: @@ -1194,9 +1194,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  @@ -1300,9 +1298,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  @@ -1504,9 +1500,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  @@ -1609,9 +1603,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  @@ -1704,9 +1696,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  @@ -1810,9 +1800,7 @@ mod tests {
  .build()
  .hash()
  .to_owned();
  - let signature = privkey
  - .sign_recoverable(&blake2b_256(transaction_hash).into())
  - .unwrap();
  + let signature = privkey.sign_recoverable(&transaction_hash).unwrap();
  let signature_der = signature.serialize_der();
  let mut signature_size = vec![];
  signature_size
  