Bitfield improvements (#506)

* Bitfield improvements

* Store prefix bits in separate variables

* Use the `Result` type alias in reader.rs

* Remove unused dependency

* Avoid creating vectors unnecessarily

* Rename union to merge

* Rename multi_union to union

* Combine first access with is_empty check

* Avoid traversing `self.unset` up front in `BitField::iter`

* Updates market actor (#496)

* initial market actor updates

* fix market actor errs

* fix linting issue

* made requested changes

* update error msg

* added verifreg to internal send and mockrt

* updated multimap error handling

* Update proofs to v4 (#507)

* Bump dep versions

* Refactor to new proofs types

* Switch to from trait and cleanup

* Update bootnodes and genesis for testnet (#509)

* Remove unnecessary >=

* Get rid of redundant `get_mut`

* Add UnverifiedBitField type in order to deserialize a bit field without verifying it

* Rename RLEPlus to RlePlus in accordance with Rust's naming conventions

* Remove pointless mutable reference

* Remove UnverifiedBitField

* Make sure that RlePlus::new returns an error on integer overflow

* Don't yield a run of length 0 whenever a short block has the value 0

Co-authored-by: Dustin Brickwood <dustinbrickwood204@gmail.com>
Co-authored-by: Austin Abell <austinabell8@gmail.com>

blockchain/state_manager/src/utils.rs

@@ -94,13 +94,9 @@ fn get_proving_set_raw<DB>(
 where
     DB: BlockStore,
 {
-    let mut not_proving = actor_state
-        .faults
-        .clone()
-        .merge(&actor_state.recoveries)
-        .map_err(|_| Error::Other("Could not merge bitfield".to_string()))?;
+    let not_proving = &actor_state.faults | &actor_state.recoveries;
 
     actor_state
-        .load_sector_infos(&*state_manager.get_block_store(), &mut not_proving)
+        .load_sector_infos(&*state_manager.get_block_store(), &not_proving)
         .map_err(|err| Error::Other(format!("failed to get proving set :{:}", err)))
 }

utils/bitfield/Cargo.toml

@@ -12,7 +12,7 @@ bitvec = "0.17.3"
 unsigned-varint = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_bytes = "0.11.3"
-fnv = "1.0.6"
+ahash = "0.3"
 
 [dev-dependencies]
 rand_xorshift = "0.2.0"