use hash_db::Hasher;
use reference_trie::{RefTrieDBMut, RefTrieDB};
use trie_db::DBValue;
use keccak_hasher::KeccakHasher;
use memory_db::*;
fn main() {
let mut memdb = MemoryDB::<KeccakHasher, HashKey<_>, _>::default();
let mut root = Default::default();
RefTrieDBMut::new(&mut memdb, &mut root).insert(b"foo", b"bar").unwrap();
let t = RefTrieDB::new(&memdb, &root);
assert!(t.contains(b"foo").unwrap());
assert_eq!(t.get(b"foo").unwrap().unwrap(), b"bar".to_vec());
}
But I get this error:
--> src/main.rs:10:19
|
10 | RefTrieDBMut::new(&mut memdb, &mut root).insert(b"foo", b"bar").unwrap();
| ^^^ function or associated item not found in `trie_db::triedbmut::TrieDBMut<'_, ExtensionLayout>`
And Indeed trie_db::triedbmut::TrieDBMut doesn't have a new method. Any help?
I am unable to execute this test:
But I get this error:
And Indeed
trie_db::triedbmut::TrieDBMut
doesn't have anew
method. Any help?