From 7733faaab5961e947da66b37be2cdee17317b0df Mon Sep 17 00:00:00 2001 From: Gav Wood Date: Sat, 28 Nov 2015 19:03:50 +0100 Subject: [PATCH] overlaydb put_payload. --- src/overlaydb.rs | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/src/overlaydb.rs b/src/overlaydb.rs index cb6d396c4..c59be085a 100644 --- a/src/overlaydb.rs +++ b/src/overlaydb.rs @@ -4,6 +4,7 @@ use error::*; use hash::*; use bytes::*; use sha3::*; +use rlp::*; use hashdb::*; use memorydb::*; use std::ops::*; @@ -34,10 +35,10 @@ impl OverlayDB { if back_rc + rc < 0 { return Err(From::from(BaseDataError::NegativelyReferencedHash)); } - self.put_payload(&key, (&back_value, rc + back_rc)); + self.put_payload(&key, (back_value, rc + back_rc)); } None => { - self.put_payload(&key, (&value, rc)); + self.put_payload(&key, (value, rc)); } }; ret += 1; @@ -48,12 +49,20 @@ impl OverlayDB { /// Get the refs and value of the given key. fn payload(&self, key: &H256) -> Option<(Bytes, i32)> { - unimplemented!(); + db.get(&key.bytes()) + .expect("Low-level database error. Some issue with your hard disk?") + .map(|d| { + Rlp r(d.deref()); + r(Bytes, i32) + }) } /// Get the refs and value of the given key. - fn put_payload(&self, key: &H256, payload: (&Bytes, i32)) { - unimplemented!(); + fn put_payload(&self, key: &H256, payload: (Bytes, i32)) { + let mut s = RlpStream::new_list(2); + s.append(payload.1); + s.append(payload.0); + backing.put(&key.bytes(), &s.out().unwrap()); } }