10 lines
219 B
Rust
10 lines
219 B
Rust
|
use hash::*;
|
||
|
|
use bytes::Bytes;
|
||
|
|
|
||
|
|
pub trait HashDB {
|
||
|
|
fn lookup(&self, key: &H256) -> Option<&Bytes>;
|
||
|
|
fn exists(&self, key: &H256) -> bool;
|
||
|
|
fn insert(&mut self, value: &[u8]) -> H256;
|
||
|
|
fn kill(&mut self, key: &H256);
|
||
|
|
}
|