1
2
3
4
5
6
7
8
9
10
11
12
13
14

use super::Block;
use crate::fragment::Contents;
use crate::header::{BlockVersion, Header, HeaderBuilderNew};

/// Create a block from a block version, content and a header builder closure
///
/// If the header builder returns an error, it is returns as is
pub fn builder<E, F>(version: BlockVersion, contents: Contents, hdr_builder: F) -> Result<Block, E>
where
    F: FnOnce(HeaderBuilderNew) -> Result<Header, E>,
{
    hdr_builder(HeaderBuilderNew::new(version, &contents))
        .map(|header| Block::new_unchecked(header, contents))
}