blockworks-foundation
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solana
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fixups

This commit is contained in:
Rob Walker 2018-08-01 14:34:28 -07:00 committed by Grimes
parent 4eb666d4f9
commit 0aba74935b
1 changed files with 16 additions and 1 deletions
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17
src/ledger.rs
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@ -26,6 +26,7 @@ pub struct LedgerWindow {
const SIZEOF_U64: u64 = size_of::<u64>() as u64;
const SIZEOF_USIZE: u64 = size_of::<usize>() as u64;
#[cfg_attr(feature = "cargo-clippy", allow(needless_pass_by_value))]
fn err_bincode_to_io(e: Box<bincode::ErrorKind>) -> io::Error {
io::Error::new(io::ErrorKind::Other, e.to_string())
}
@ -42,7 +43,7 @@ fn next_offset(file: &mut File) -> io::Result<u64> {
deserialize_from(file.take(SIZEOF_U64)).map_err(err_bincode_to_io)
}
// unused, but could work if we only have data file...
// unused, but would work for the iterator if we only have the data file...
//
//fn next_entry(file: &mut File) -> io::Result<Entry> {
// let len = deserialize_from(file.take(SIZEOF_USIZE)).map_err(err_bincode_to_io)?;
@ -71,6 +72,20 @@ impl LedgerWindow {
}
}
// TODO?? ... we could open the files on demand to support [], but today
// LedgerWindow needs "&mut self"
//
//impl Index<u64> for LedgerWindow {
// type Output = io::Result<Entry>;
//
// fn index(&mut self, index: u64) -> &io::Result<Entry> {
// match u64_at(&mut self.index, index * SIZEOF_U64) {
// Ok(offset) => &entry_at(&mut self.data, offset),
// Err(e) => &Err(e),
// }
// }
//}
#[derive(Debug)]
pub struct LedgerWriter {
index: File,