INNER CODE UNIT · Rust

peek_log_data

fuzzland/ityfuzz · src/evm/middlewares/cheatcode/mod.rs:566

fn peek_log_data(interp: &mut Interpreter) -> Result<AlloyBytes, InstructionResult> {
    let offset = interp.stack().peek(0)?;
    let len = interp.stack().peek(1)?;
    let (offset, len) = (offset.as_limbs()[0] as usize, len.as_limbs()[0] as usize);
    if len == 0 {
        return Ok(AlloyBytes::new());
    }

    memory_resize!(interp, offset, len);
    Ok(AlloyBytes::copy_from_slice(interp.memory.get_slice(offset, len)))
}

fn peek_log_topics(interp: &Interpreter, op: u8) -> Result<Vec<B256>, InstructionResult> {
    let n = (op - opcode::LOG0) as usize;
    let mut topics = Vec::with_capacity(n);

    // Start from idx 2. The first two elements are the offset and len of the data.
    for i in 2..(n + 2) {

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