Function ckb_std::syscalls::load_tx_hash

pub fn load_tx_hash(buf: &mut [u8], offset: usize) -> Result<usize, SysError>

Load transaction hash

Return the loaded data length or a syscall error

Arguments

• buf - a writable buf used to receive the data
• offset - offset

Example

let mut tx_hash = [0u8; 32];
let len = load_tx_hash(&mut tx_hash, 0).unwrap();
assert_eq!(len, tx_hash.len());