refactor: Pass Block as a reference to BlockStore::put_block

CHANGELOG.md

@@ -13,6 +13,7 @@
 - refactor: Remove sessions and redundant code. [PR 255](https://github.com/dariusc93/rust-ipfs/pull/255)
 - refactor: Move from libipld to ipld-core. [PR 257](https://github.com/dariusc93/rust-ipfs/pull/257)
 - chore: Use `Bytes` when creating or using `Block` within bitswap. [PR 264](https://github.com/dariusc93/rust-ipfs/pull/264)
+- refactor: Reference `Block` in `BlockStore::put_block`. [PR 272](https://github.com/dariusc93/rust-ipfs/pull/272)
 - feat: Passthrough timeout to WantSession::new. [PR 265](https://github.com/dariusc93/rust-ipfs/pull/265)
 
 # 0.11.20

src/block.rs

@@ -34,6 +34,10 @@ impl Block {
         &self.data
     }
 
+    pub fn inner_data(&self) -> &Bytes {
+        &self.data
+    }
+
     pub fn into_inner(self) -> (Cid, Bytes) {
         (self.cid, self.data)
     }

src/dag.rs

@@ -646,7 +646,7 @@ impl std::future::IntoFuture for DagPut {
             };
             let cid = Cid::new(version, self.codec.into(), hash)?;
             let block = Block::new(cid, bytes)?;
-            let cid = self.dag_ipld.repo.put_block(block).await?;
+            let cid = self.dag_ipld.repo.put_block(&block).await?;
 
             if let Some(opt) = self.pinned {
                 if !self.dag_ipld.repo.is_pinned(&cid).await? {
@@ -1250,7 +1250,7 @@ mod tests {
         let (cid, data) = blocks.next().unwrap();
         assert_eq!(blocks.next(), None);
 
-        ipfs.put_block(Block::new(cid, data).unwrap())
+        ipfs.put_block(&Block::new(cid, data).unwrap())
             .await
             .unwrap();
 
@@ -1283,7 +1283,7 @@ mod tests {
 
         let total_size = data.len();
 
-        ipfs.put_block(Block::new(cid, data).unwrap())
+        ipfs.put_block(&Block::new(cid, data).unwrap())
             .await
             .unwrap();
 
@@ -1301,7 +1301,7 @@ mod tests {
             let node = node.unwrap();
             let block = Block::new(node.cid.to_owned(), node.block.to_vec()).unwrap();
 
-            ipfs.put_block(block).await.unwrap();
+            ipfs.put_block(&block).await.unwrap();
 
             cids.push(node.cid.to_owned());
         }

src/lib.rs

@@ -1128,7 +1128,7 @@ impl Ipfs {
     }
 
     /// Puts a block into the ipfs repo.
-    pub async fn put_block(&self, block: Block) -> Result<Cid, Error> {
+    pub async fn put_block(&self, block: &Block) -> Result<Cid, Error> {
         self.repo.put_block(block).span(self.span.clone()).await
     }
 
@@ -2752,7 +2752,7 @@ mod tests {
         let cid = Cid::new_v1(BlockCodec::Raw.into(), Code::Sha2_256.digest(&data));
         let block = Block::new(cid, data).unwrap();
 
-        let cid: Cid = ipfs.put_block(block.clone()).await.unwrap();
+        let cid: Cid = ipfs.put_block(&block).await.unwrap();
         let new_block = ipfs.get_block(&cid).await.unwrap();
         assert_eq!(block, new_block);
     }

src/p2p/bitswap.rs

@@ -607,7 +607,7 @@ mod test {
 
         let cid = *block.cid();
 
-        repo.put_block(block.clone()).await?;
+        repo.put_block(&block).await?;
 
         let opt = DialOpts::peer_id(peer2)
             .addresses(vec![addr2.clone()])
@@ -759,7 +759,7 @@ mod test {
 
         let cid = *block.cid();
 
-        repo.put_block(block.clone()).await?;
+        repo.put_block(&block).await?;
 
         let opt = DialOpts::peer_id(peer2)
             .addresses(vec![addr2.clone()])
@@ -816,7 +816,7 @@ mod test {
 
         let cid = *block.cid();
 
-        repo.put_block(block.clone()).await?;
+        repo.put_block(&block).await?;
 
         let opt = DialOpts::peer_id(peer2)
             .addresses(vec![addr2.clone()])

src/p2p/bitswap/sessions.rs

@@ -209,7 +209,7 @@ impl WantSession {
             tracing::warn!(session = %self.cid, %peer_id, cid = %block.cid(), name = "want_session", "state already putting block into store");
         } else {
             tracing::info!(%peer_id, cid = %block.cid(), name = "want_session", "storing block");
-            let fut = self.repo.put_block(block).into_future();
+            let fut = self.repo.put_block(&block).into_future();
             self.state = WantSessionState::PutBlock {
                 from_peer_id: peer_id,
                 fut,

src/refs.rs

@@ -541,7 +541,7 @@ mod tests {
             let cid = Cid::try_from(*cid_str).unwrap();
             let block = Block::new(cid, data.to_vec()).unwrap();
             block.to_ipld().unwrap();
-            ipfs.put_block(block).await.unwrap();
+            ipfs.put_block(&block).await.unwrap();
         }
 
         ipfs

src/repo/blockstore/flatfs.rs

@@ -68,7 +68,7 @@ impl BlockStore for FsBlockStore {
 
     //TODO: Allow multiple puts without holding a lock. We could probably hold a read lock instead
     //      and revert back to using a broadcast
-    async fn put(&self, block: Block) -> Result<(Cid, BlockPut), Error> {
+    async fn put(&self, block: &Block) -> Result<(Cid, BlockPut), Error> {
         let inner = &mut *self.inner.write().await;
         inner.put(block).await
     }
@@ -138,7 +138,8 @@ impl FsBlockStoreInner {
         .await?
     }
 
-    async fn put(&mut self, block: Block) -> Result<(Cid, BlockPut), Error> {
+    async fn put(&mut self, block: &Block) -> Result<(Cid, BlockPut), Error> {
+        let block = block.clone();
         let target_path = block_path(self.path.clone(), block.cid());
         let cid = *block.cid();
 
@@ -344,7 +345,7 @@ mod tests {
             panic!("block should not be found")
         }
 
-        let put = store.put(block.clone()).await.unwrap();
+        let put = store.put(&block).await.unwrap();
         assert_eq!(put.0, cid.to_owned());
         let contains = store.contains(&cid);
         assert!(contains.await.unwrap());
@@ -375,7 +376,7 @@ mod tests {
         block_store.open().await.unwrap();
 
         assert!(!block_store.contains(block.cid()).await.unwrap());
-        block_store.put(block.clone()).await.unwrap();
+        block_store.put(&block).await.unwrap();
 
         let block_store = FsBlockStore::new(tmp.clone());
         block_store.open().await.unwrap();
@@ -399,7 +400,7 @@ mod tests {
             let data_slice = data.to_vec();
             let cid = Cid::new_v1(BlockCodec::Raw.into(), Code::Sha2_256.digest(&data_slice));
             let block = Block::new(cid, data_slice).unwrap();
-            block_store.put(block.clone()).await.unwrap();
+            block_store.put(&block).await.unwrap();
         }
 
         let cids = block_store.list().await.collect::<Vec<_>>().await;
@@ -449,7 +450,7 @@ mod tests {
                     let block = block.clone();
                     async move {
                         barrier.wait().await;
-                        bs.put(block).await
+                        bs.put(&block).await
                     }
                 })
             })
@@ -490,7 +491,7 @@ mod tests {
 
         assert_eq!(single.list().await.collect::<Vec<_>>().await.len(), 0);
 
-        single.put(block).await.unwrap();
+        single.put(&block).await.unwrap();
 
         // compare the multihash since we store the block named as cidv1
         assert_eq!(

src/repo/blockstore/idb.rs

@@ -212,7 +212,8 @@ impl BlockStore for IdbBlockStore {
         rx.await?
     }
 
-    async fn put(&self, block: Block) -> Result<(Cid, BlockPut), Error> {
+    async fn put(&self, block: &Block) -> Result<(Cid, BlockPut), Error> {
+        let block = block.clone();
         if self.contains(block.cid()).await? {
             return Ok((*block.cid(), BlockPut::Existed));
         }

src/repo/blockstore/memory.rs

@@ -8,6 +8,7 @@ use futures::StreamExt;
 use ipld_core::cid::Cid;
 use tokio::sync::RwLock;
 
+use bytes::Bytes;
 use std::collections::HashMap;
 use std::path::PathBuf;
 use std::sync::Arc;
@@ -26,7 +27,7 @@ impl std::fmt::Debug for MemBlockStore {
 }
 
 struct MemBlockInner {
-    blocks: HashMap<Cid, Block>,
+    blocks: HashMap<Cid, Bytes>,
 }
 
 impl MemBlockStore {
@@ -58,8 +59,12 @@ impl BlockStore for MemBlockStore {
 
     async fn get(&self, cid: &Cid) -> Result<Option<Block>, Error> {
         let inner = &*self.inner.read().await;
-        let block = inner.blocks.get(cid).cloned();
-        Ok(block)
+        let block = match inner.blocks.get(cid) {
+            Some(bytes) => Block::new(*cid, bytes.clone())?,
+            None => return Ok(None),
+        };
+
+        Ok(Some(block))
     }
 
     async fn size(&self, cid: &[Cid]) -> Result<Option<usize>, Error> {
@@ -69,17 +74,17 @@ impl BlockStore for MemBlockStore {
                 .blocks
                 .iter()
                 .filter(|(id, _)| cid.contains(id))
-                .map(|(_, b)| b.data().len())
+                .map(|(_, b)| b.len())
                 .sum(),
         ))
     }
 
     async fn total_size(&self) -> Result<usize, Error> {
         let inner = &*self.inner.read().await;
-        Ok(inner.blocks.values().map(|b| b.data().len()).sum())
+        Ok(inner.blocks.values().map(|b| b.len()).sum())
     }
 
-    async fn put(&self, block: Block) -> Result<(Cid, BlockPut), Error> {
+    async fn put(&self, block: &Block) -> Result<(Cid, BlockPut), Error> {
         use std::collections::hash_map::Entry;
 
         let inner = &mut *self.inner.write().await;
@@ -92,7 +97,7 @@ impl BlockStore for MemBlockStore {
             Entry::Vacant(ve) => {
                 trace!("new block");
                 let cid = *ve.key();
-                ve.insert(block);
+                ve.insert(block.inner_data().clone());
                 Ok((cid, BlockPut::NewBlock))
             }
         }
@@ -154,7 +159,7 @@ mod tests {
             panic!("block should not be found")
         }
 
-        let put = store.put(block.clone());
+        let put = store.put(&block);
         assert_eq!(put.await.unwrap().0, cid.to_owned());
         let contains = store.contains(&cid);
         assert!(contains.await.unwrap());
@@ -180,7 +185,7 @@ mod tests {
             let data_slice = data.to_vec();
             let cid = Cid::new_v1(BlockCodec::Raw.into(), Code::Sha2_256.digest(&data_slice));
             let block = Block::new(cid, data_slice).unwrap();
-            mem_store.put(block.clone()).await.unwrap();
+            mem_store.put(&block).await.unwrap();
             assert!(mem_store.contains(block.cid()).await.unwrap());
         }
 

src/repo/mod.rs

@@ -77,7 +77,7 @@ pub trait BlockStore: Debug + Send + Sync + 'static {
     /// Get a total size of the block store
     async fn total_size(&self) -> Result<usize, Error>;
     /// Inserts a block in the blockstore.
-    async fn put(&self, block: Block) -> Result<(Cid, BlockPut), Error>;
+    async fn put(&self, block: &Block) -> Result<(Cid, BlockPut), Error>;
     /// Removes a block from the blockstore.
     async fn remove(&self, cid: &Cid) -> Result<(), Error>;
     /// Remove multiple blocks from the blockstore
@@ -451,7 +451,7 @@ impl Repo {
                 let mut stream = self.list_blocks().await;
                 while let Some(cid) = stream.next().await {
                     match self.get_block_now(&cid).await {
-                        Ok(Some(block)) => match repo.inner.block_store.put(block).await {
+                        Ok(Some(block)) => match repo.inner.block_store.put(&block).await {
                             Ok(_) => {}
                             Err(e) => error!("Error migrating {cid}: {e}"),
                         },
@@ -607,7 +607,7 @@ impl Repo {
     }
 
     /// Puts a block into the block store.
-    pub fn put_block(&self, block: Block) -> RepoPutBlock {
+    pub fn put_block<'a>(&self, block: &'a Block) -> RepoPutBlock<'a> {
         RepoPutBlock::new(self, block).broadcast_on_new_block(true)
     }
 
@@ -998,15 +998,15 @@ impl Repo {
     }
 }
 
-pub struct RepoPutBlock {
+pub struct RepoPutBlock<'a> {
     repo: Repo,
-    block: Block,
+    block: &'a Block,
     span: Option<Span>,
     broadcast_on_new_block: bool,
 }
 
-impl RepoPutBlock {
-    fn new(repo: &Repo, block: Block) -> Self {
+impl<'a> RepoPutBlock<'a> {
+    fn new(repo: &Repo, block: &'a Block) -> Self {
         Self {
             repo: repo.clone(),
             block,
@@ -1026,16 +1026,16 @@ impl RepoPutBlock {
     }
 }
 
-impl IntoFuture for RepoPutBlock {
+impl<'a> IntoFuture for RepoPutBlock<'a> {
     type IntoFuture = BoxFuture<'static, Self::Output>;
     type Output = Result<Cid, Error>;
     fn into_future(self) -> Self::IntoFuture {
-        let block = self.block;
+        let block = self.block.clone();
         let span = self.span.unwrap_or(Span::current());
         let span = debug_span!(parent: &span, "put_block", cid = %block.cid());
         async move {
             let _guard = self.repo.inner.gclock.read().await;
-            let (cid, res) = self.repo.inner.block_store.put(block.clone()).await?;
+            let (cid, res) = self.repo.inner.block_store.put(&block).await?;
 
             if let BlockPut::NewBlock = res {
                 if self.broadcast_on_new_block {

src/unixfs/add.rs

@@ -183,7 +183,7 @@ impl Stream for UnixfsAdd {
                                             return;
                                         }
                                     };
-                                    let _cid = match repo.put_block(block).await {
+                                    let _cid = match repo.put_block(&block).await {
                                         Ok(cid) => cid,
                                         Err(e) => {
                                             yield UnixfsStatus::FailedStatus { written, total_size, error: Some(e) };
@@ -209,7 +209,7 @@ impl Stream for UnixfsAdd {
                                     return;
                                 }
                             };
-                            let _cid = match repo.put_block(block).await {
+                            let _cid = match repo.put_block(&block).await {
                                 Ok(cid) => cid,
                                 Err(e) => {
                                     yield UnixfsStatus::FailedStatus { written, total_size, error: Some(e) };
@@ -249,7 +249,7 @@ impl Stream for UnixfsAdd {
                                             let cid = node.cid.to_owned();
                                             let block = Block::new(cid, node.block.to_vec())?;
 
-                                            repo.put_block(block).await?;
+                                            repo.put_block(&block).await?;
 
                                             cids.push(cid);
                                         }

tests/bitswap.rs

@@ -25,11 +25,11 @@ async fn bitswap_stress_test() {
 
     let nodes = spawn_nodes::<5>(Topology::Mesh).await;
 
+    let block = Block::new(cid, data.clone()).unwrap();
+
     for (i, node) in nodes.iter().enumerate() {
         if filter(i) {
-            node.put_block(Block::new(cid, data.clone()).unwrap())
-                .await
-                .unwrap();
+            node.put_block(&block).await.unwrap();
         }
     }