Function ckb_std::syscalls::load_header

source · 
pub fn load_header(
    buf: &mut [u8],
    offset: usize,
    index: usize,
    source: Source
) -> Result<usize, SysError>
Expand description

Load header

Return the loaded data length or a syscall error

Arguments

  • buf - a writable buf used to receive the data
  • offset - offset
  • index - index of cell or header
  • source - source