pub mod core {
  pub mod block;
  pub use block::*;

  pub mod tx;
  pub use tx::*;

  pub mod data;
  pub use data::*;

  pub mod hasher;
  pub use hasher::*;

  pub mod address;
  pub use address::*;
}

pub fn print_error_chain(err: &anyhow::Error) {
  let mut err_string = String::from(format!("Error: {}\n", err));

  let mut source = err.source();
  let mut level = 1;

  while let Some(err) = source {
    err_string.push_str(format!("  {}: {}\n", level, err).as_str());
    source = err.source();
    level += 1;
  }
  log(err_string)
}

pub fn log(msg: String) {
  println!("{msg}")
}