Bump rust-web3 to latest v0.11 (paritytech#100)

* Bump rust-web3 to latest master

* Use tagged release from crates.io

* Add check for `logs_bloom`

Since this is required by the runtime we want to enforce that an
incoming header has this.

bridges/relays/ethereum/Cargo.toml

@@ -28,7 +28,7 @@ serde = { version = "1.0.110", features = ["derive"] }
 serde_json = "1.0.53"
 sp-bridge-eth-poa = { path = "../../primitives/ethereum-poa" }
 time = "0.2"
-web3 = { git = "https://github.com/svyatonik/rust-web3.git", branch = "add-receipt-root" }
+web3 = "0.11"
 
 # Substrate Based Dependencies
 [dependencies.frame-system]

bridges/relays/ethereum/src/ethereum_client.rs

@@ -152,12 +152,12 @@ pub async fn header_by_number(client: Client, number: u64) -> (Client, Result<He
 	.await;
 	(
 		client,
-		header.and_then(
-			|header: Header| match header.number.is_some() && header.hash.is_some() {
+		header.and_then(|header: Header| {
+			match header.number.is_some() && header.hash.is_some() && header.logs_bloom.is_some() {
 				true => Ok(header),
 				false => Err(Error::IncompleteHeader),
-			},
-		),
+			}
+		}),
 	)
 }
 
@@ -174,12 +174,12 @@ pub async fn header_by_hash(client: Client, hash: H256) -> (Client, Result<Heade
 	.await;
 	(
 		client,
-		header.and_then(
-			|header: Header| match header.number.is_none() && header.hash.is_none() {
+		header.and_then(|header: Header| {
+			match header.number.is_some() && header.hash.is_some() && header.logs_bloom.is_some() {
 				true => Ok(header),
 				false => Err(Error::IncompleteHeader),
-			},
-		),
+			}
+		}),
 	)
 }
 

bridges/relays/ethereum/src/substrate_types.rs

@@ -88,7 +88,7 @@ pub fn into_substrate_ethereum_header(header: &EthereumHeader) -> SubstrateEther
 		extra_data: header.extra_data.0.clone(),
 		state_root: header.state_root,
 		receipts_root: header.receipts_root,
-		log_bloom: header.logs_bloom.data().into(),
+		log_bloom: header.logs_bloom.unwrap_or_default().data().into(),
 		gas_used: header.gas_used,
 		gas_limit: header.gas_limit,
 		difficulty: header.difficulty,