use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
use messages::message::Payload;
use std::io;
use std::io::{Read, Write};
use util::{Result, Serializable};
#[derive(Debug, Default, PartialEq, Eq, Hash, Clone)]
pub struct FeeFilter {
pub minfee: u64,
}
impl FeeFilter {
pub const SIZE: usize = 8;
}
impl Serializable<FeeFilter> for FeeFilter {
fn read(reader: &mut dyn Read) -> Result<FeeFilter> {
let minfee = reader.read_u64::<LittleEndian>()?;
Ok(FeeFilter { minfee })
}
fn write(&self, writer: &mut dyn Write) -> io::Result<()> {
writer.write_u64::<LittleEndian>(self.minfee)
}
}
impl Payload<FeeFilter> for FeeFilter {
fn size(&self) -> usize {
FeeFilter::SIZE
}
}
#[cfg(test)]
mod tests {
use super::*;
use hex;
use std::io::Cursor;
#[test]
fn read_bytes() {
let b = hex::decode("e803000000000000".as_bytes()).unwrap();
let f = FeeFilter::read(&mut Cursor::new(&b)).unwrap();
assert!(f.minfee == 1000);
}
#[test]
fn write_read() {
let mut v = Vec::new();
let f = FeeFilter { minfee: 1234 };
f.write(&mut v).unwrap();
assert!(v.len() == f.size());
assert!(FeeFilter::read(&mut Cursor::new(&v)).unwrap() == f);
}
}