From 07facb13c20c5f4954fa936b573987a117d34952 Mon Sep 17 00:00:00 2001
From: Ashley <ashley.ruglys@gmail.com>
Date: Mon, 3 Aug 2020 15:48:32 +0200
Subject: [PATCH] Convert spaces to tabs (#6799)

---
 substrate/bin/node/bench/src/core.rs          |  24 +-
 substrate/bin/node/bench/src/txpool.rs        |   6 +-
 substrate/bin/node/browser-testing/src/lib.rs |  44 +--
 substrate/client/proposer-metrics/src/lib.rs  |  22 +-
 .../client/service/test/src/client/light.rs   |   4 +-
 substrate/frame/contracts/src/benchmarking.rs | 358 +++++++++---------
 substrate/frame/staking/src/tests.rs          |   6 +-
 .../consensus/common/src/metrics.rs           |   2 +-
 substrate/primitives/core/src/sr25519.rs      |  12 +-
 .../runtime/src/offchain/storage_lock.rs      |  44 +--
 substrate/utils/fork-tree/src/lib.rs          |   2 +-
 11 files changed, 262 insertions(+), 262 deletions(-)

diff --git a/substrate/bin/node/bench/src/core.rs b/substrate/bin/node/bench/src/core.rs
index c1b1711549b..6faa7b72721 100644
--- a/substrate/bin/node/bench/src/core.rs
+++ b/substrate/bin/node/bench/src/core.rs
@@ -93,26 +93,26 @@ pub enum Mode {
 }
 
 impl std::str::FromStr for Mode {
-    type Err = &'static str;
-    fn from_str(day: &str) -> Result<Self, Self::Err> {
-        match day {
-            "regular" => Ok(Mode::Regular),
-            "profile" => Ok(Mode::Profile),
-            _ => Err("Could not parse mode"),
-        }
-    }
+	type Err = &'static str;
+	fn from_str(day: &str) -> Result<Self, Self::Err> {
+		match day {
+			"regular" => Ok(Mode::Regular),
+			"profile" => Ok(Mode::Profile),
+			_ => Err("Could not parse mode"),
+		}
+	}
 }
 
 impl fmt::Display for BenchmarkOutput {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		write!(
 			f,
 			"{}: avg {}, w_avg {}",
 			self.name,
 			NsFormatter(self.raw_average),
 			NsFormatter(self.average),
 		)
-    }
+	}
 }
 
 pub fn run_benchmark(
@@ -159,4 +159,4 @@ macro_rules! matrix(
 		}
 	};
 	() => { vec![] }
-);
\ No newline at end of file
+);
diff --git a/substrate/bin/node/bench/src/txpool.rs b/substrate/bin/node/bench/src/txpool.rs
index d6e5578192e..7ea13fc15ec 100644
--- a/substrate/bin/node/bench/src/txpool.rs
+++ b/substrate/bin/node/bench/src/txpool.rs
@@ -32,7 +32,7 @@ use sp_transaction_pool::{TransactionPool, TransactionSource};
 use crate::core::{self, Path, Mode};
 
 pub struct PoolBenchmarkDescription {
-    pub database_type: DatabaseType,
+	pub database_type: DatabaseType,
 }
 
 pub struct PoolBenchmark {
@@ -41,7 +41,7 @@ pub struct PoolBenchmark {
 
 impl core::BenchmarkDescription for PoolBenchmarkDescription {
 	fn path(&self) -> Path {
-        Path::new(&["node", "txpool"])
+		Path::new(&["node", "txpool"])
 	}
 
 	fn setup(self: Box<Self>) -> Box<dyn core::Benchmark> {
@@ -55,7 +55,7 @@ impl core::BenchmarkDescription for PoolBenchmarkDescription {
 	}
 
 	fn name(&self) -> Cow<'static, str> {
-        "Transaction pool benchmark".into()
+		"Transaction pool benchmark".into()
 	}
 }
 
diff --git a/substrate/bin/node/browser-testing/src/lib.rs b/substrate/bin/node/browser-testing/src/lib.rs
index c943a383aef..777e5ea9f13 100644
--- a/substrate/bin/node/browser-testing/src/lib.rs
+++ b/substrate/bin/node/browser-testing/src/lib.rs
@@ -37,34 +37,34 @@ use serde::de::DeserializeOwned;
 wasm_bindgen_test_configure!(run_in_browser);
 
 fn rpc_call(method: &str) -> String {
-    serde_json::to_string(&MethodCall {
-        jsonrpc: Some(Version::V2),
-        method: method.into(),
-        params: Params::None,
-        id: Id::Num(1)
-    }).unwrap()
+	serde_json::to_string(&MethodCall {
+		jsonrpc: Some(Version::V2),
+		method: method.into(),
+		params: Params::None,
+		id: Id::Num(1)
+	}).unwrap()
 }
 
 fn deserialize_rpc_result<T: DeserializeOwned>(js_value: JsValue) -> T {
-    let string = js_value.as_string().unwrap();
-    let value = serde_json::from_str::<Success>(&string).unwrap().result;
-    // We need to convert a `Value::Object` into a proper type.
-    let value_string = serde_json::to_string(&value).unwrap();
-    serde_json::from_str(&value_string).unwrap()
+	let string = js_value.as_string().unwrap();
+	let value = serde_json::from_str::<Success>(&string).unwrap().result;
+	// We need to convert a `Value::Object` into a proper type.
+	let value_string = serde_json::to_string(&value).unwrap();
+	serde_json::from_str(&value_string).unwrap()
 }
 
 #[wasm_bindgen_test]
 async fn runs() {
-    let mut client = node_cli::start_client(None, "info".into())
-            .await
-            .unwrap();
+	let mut client = node_cli::start_client(None, "info".into())
+			.await
+			.unwrap();
 
-    // Check that the node handles rpc calls.
-    // TODO: Re-add the code that checks if the node is syncing.
-    let chain_name: String = deserialize_rpc_result(
-        JsFuture::from(client.rpc_send(&rpc_call("system_chain")))
-            .await
-            .unwrap()
-    );
-    assert_eq!(chain_name, "Development");
+	// Check that the node handles rpc calls.
+	// TODO: Re-add the code that checks if the node is syncing.
+	let chain_name: String = deserialize_rpc_result(
+		JsFuture::from(client.rpc_send(&rpc_call("system_chain")))
+			.await
+			.unwrap()
+	);
+	assert_eq!(chain_name, "Development");
 }
diff --git a/substrate/client/proposer-metrics/src/lib.rs b/substrate/client/proposer-metrics/src/lib.rs
index 5cb749f4a26..50498d40b62 100644
--- a/substrate/client/proposer-metrics/src/lib.rs
+++ b/substrate/client/proposer-metrics/src/lib.rs
@@ -41,8 +41,8 @@ impl MetricsLink {
 /// Authorship metrics.
 #[derive(Clone)]
 pub struct Metrics {
-    pub block_constructed: Histogram,
-    pub number_of_transactions: Gauge<U64>,
+	pub block_constructed: Histogram,
+	pub number_of_transactions: Gauge<U64>,
 }
 
 impl Metrics {
@@ -54,14 +54,14 @@ impl Metrics {
 					"Histogram of time taken to construct new block",
 				))?,
 				registry,
-            )?,
-            number_of_transactions: register(
-                Gauge::new(
-                    "proposer_number_of_transactions",
-                    "Number of transactions included in block",
-                )?,
-                registry,
-            )?,
+			)?,
+			number_of_transactions: register(
+				Gauge::new(
+					"proposer_number_of_transactions",
+					"Number of transactions included in block",
+				)?,
+				registry,
+			)?,
 		})
-    }
+	}
 }
diff --git a/substrate/client/service/test/src/client/light.rs b/substrate/client/service/test/src/client/light.rs
index 031c234c1ab..ffc84ad47b8 100644
--- a/substrate/client/service/test/src/client/light.rs
+++ b/substrate/client/service/test/src/client/light.rs
@@ -686,7 +686,7 @@ fn changes_proof_is_generated_and_checked_when_headers_are_not_pruned() {
 		match local_result == expected_result {
 			true => (),
 			false => panic!(format!("Failed test {}: local = {:?}, expected = {:?}",
-			                        index, local_result, expected_result)),
+									index, local_result, expected_result)),
 		}
 	}
 }
@@ -843,7 +843,7 @@ fn check_changes_tries_proof_fails_if_proof_is_wrong() {
 		Box::new(TaskExecutor::new()),
 	);
 	assert!(local_checker.check_changes_tries_proof(4, &remote_proof.roots,
-	                                                remote_proof.roots_proof.clone()).is_err());
+													remote_proof.roots_proof.clone()).is_err());
 
 	// fails when proof is broken
 	let mut local_storage = DummyStorage::new();
diff --git a/substrate/frame/contracts/src/benchmarking.rs b/substrate/frame/contracts/src/benchmarking.rs
index 29f992643ef..4bdb14576ee 100644
--- a/substrate/frame/contracts/src/benchmarking.rs
+++ b/substrate/frame/contracts/src/benchmarking.rs
@@ -28,21 +28,21 @@ use parity_wasm::elements::FuncBody;
 use sp_runtime::traits::Hash;
 
 macro_rules! load_module {
-    ($name:expr) => {{
-        let code = include_bytes!(concat!("../fixtures/benchmarks/", $name, ".wat"));
-        compile_module::<T>(code)
-    }};
+	($name:expr) => {{
+		let code = include_bytes!(concat!("../fixtures/benchmarks/", $name, ".wat"));
+		compile_module::<T>(code)
+	}};
 }
 
 fn compile_module<T: Trait>(code: &[u8]) -> (Vec<u8>, <T::Hashing as Hash>::Output) {
-    let code = sp_std::str::from_utf8(code).expect("Invalid utf8 in wat file.");
-    let binary = wat::parse_str(code).expect("Failed to compile wat file.");
-    let hash = T::Hashing::hash(&binary);
-    (binary, hash)
+	let code = sp_std::str::from_utf8(code).expect("Invalid utf8 in wat file.");
+	let binary = wat::parse_str(code).expect("Failed to compile wat file.");
+	let hash = T::Hashing::hash(&binary);
+	(binary, hash)
 }
 
 fn funding<T: Trait>() -> BalanceOf<T> {
-    T::Currency::minimum_balance() * 10_000.into()
+	T::Currency::minimum_balance() * 10_000.into()
 }
 
 fn create_funded_user<T: Trait>(string: &'static str, n: u32) -> T::AccountId {
@@ -52,55 +52,55 @@ fn create_funded_user<T: Trait>(string: &'static str, n: u32) -> T::AccountId {
 }
 
 fn contract_with_call_body<T: Trait>(body: FuncBody) -> (Vec<u8>, <T::Hashing as Hash>::Output) {
-    use parity_wasm::elements::{
-        Instructions, Instruction::End,
-    };
-    let contract = parity_wasm::builder::ModuleBuilder::new()
-        // deploy function (idx 0)
-        .function()
-            .signature().with_params(vec![]).with_return_type(None).build()
-            .body().with_instructions(Instructions::new(vec![End])).build()
-            .build()
-        // call function (idx 1)
-        .function()
-            .signature().with_params(vec![]).with_return_type(None).build()
-            .with_body(body)
-            .build()
-        .export().field("deploy").internal().func(0).build()
-        .export().field("call").internal().func(1).build()
-        .build();
-    let bytes = contract.to_bytes().unwrap();
-    let hash = T::Hashing::hash(&bytes);
-    (bytes, hash)
+	use parity_wasm::elements::{
+		Instructions, Instruction::End,
+	};
+	let contract = parity_wasm::builder::ModuleBuilder::new()
+		// deploy function (idx 0)
+		.function()
+			.signature().with_params(vec![]).with_return_type(None).build()
+			.body().with_instructions(Instructions::new(vec![End])).build()
+			.build()
+		// call function (idx 1)
+		.function()
+			.signature().with_params(vec![]).with_return_type(None).build()
+			.with_body(body)
+			.build()
+		.export().field("deploy").internal().func(0).build()
+		.export().field("call").internal().func(1).build()
+		.build();
+	let bytes = contract.to_bytes().unwrap();
+	let hash = T::Hashing::hash(&bytes);
+	(bytes, hash)
 }
 
 fn expanded_contract<T: Trait>(target_bytes: u32) -> (Vec<u8>, <T::Hashing as Hash>::Output) {
-    use parity_wasm::elements::{
-        Instruction::{self, If, I32Const, Return, End},
-        BlockType, Instructions,
-    };
-    // Base size of a contract is 47 bytes and each expansion adds 6 bytes.
-    // We do one expansion less to account for the code section and function body
-    // size fields inside the binary wasm module representation which are leb128 encoded
-    // and therefore grow in size when the contract grows. We are not allowed to overshoot
-    // because of the maximum code size that is enforced by `put_code`.
-    let expansions = (target_bytes.saturating_sub(47) / 6).saturating_sub(1) as usize;
-    const EXPANSION: [Instruction; 4] = [
-        I32Const(0),
-        If(BlockType::NoResult),
-        Return,
-        End,
-    ];
-    let instructions = Instructions::new(
-        EXPANSION
-            .iter()
-            .cycle()
-            .take(EXPANSION.len() * expansions)
-            .cloned()
-            .chain(sp_std::iter::once(End))
-            .collect()
-    );
-    contract_with_call_body::<T>(FuncBody::new(Vec::new(), instructions))
+	use parity_wasm::elements::{
+		Instruction::{self, If, I32Const, Return, End},
+		BlockType, Instructions,
+	};
+	// Base size of a contract is 47 bytes and each expansion adds 6 bytes.
+	// We do one expansion less to account for the code section and function body
+	// size fields inside the binary wasm module representation which are leb128 encoded
+	// and therefore grow in size when the contract grows. We are not allowed to overshoot
+	// because of the maximum code size that is enforced by `put_code`.
+	let expansions = (target_bytes.saturating_sub(47) / 6).saturating_sub(1) as usize;
+	const EXPANSION: [Instruction; 4] = [
+		I32Const(0),
+		If(BlockType::NoResult),
+		Return,
+		End,
+	];
+	let instructions = Instructions::new(
+		EXPANSION
+			.iter()
+			.cycle()
+			.take(EXPANSION.len() * expansions)
+			.cloned()
+			.chain(sp_std::iter::once(End))
+			.collect()
+	);
+	contract_with_call_body::<T>(FuncBody::new(Vec::new(), instructions))
 }
 
 fn advance_block<T: Trait>(num: <T as frame_system::Trait>::BlockNumber) {
@@ -109,161 +109,161 @@ fn advance_block<T: Trait>(num: <T as frame_system::Trait>::BlockNumber) {
 }
 
 benchmarks! {
-    _ {
-    }
+	_ {
+	}
 
-    // This extrinsic is pretty much constant as it is only a simple setter.
-    update_schedule {
-        let schedule = Schedule {
-            version: 1,
-            .. Default::default()
-        };
-    }: _(RawOrigin::Root, schedule)
+	// This extrinsic is pretty much constant as it is only a simple setter.
+	update_schedule {
+		let schedule = Schedule {
+			version: 1,
+			.. Default::default()
+		};
+	}: _(RawOrigin::Root, schedule)
 
-    // This constructs a contract that is maximal expensive to instrument.
-    // It creates a maximum number of metering blocks per byte.
-    put_code {
-        let n in 0 .. Contracts::<T>::current_schedule().max_code_size;
-        let caller = create_funded_user::<T>("caller", 0);
-        let (binary, hash) = expanded_contract::<T>(n);
-    }: _(RawOrigin::Signed(caller), binary)
+	// This constructs a contract that is maximal expensive to instrument.
+	// It creates a maximum number of metering blocks per byte.
+	put_code {
+		let n in 0 .. Contracts::<T>::current_schedule().max_code_size;
+		let caller = create_funded_user::<T>("caller", 0);
+		let (binary, hash) = expanded_contract::<T>(n);
+	}: _(RawOrigin::Signed(caller), binary)
 
-    // Instantiate uses a dummy contract constructor to measure the overhead of the instantiate.
-    // The size of the data has no influence on the costs of this extrinsic as long as the contract
-    // won't call `ext_input` in its constructor to copy the data to contract memory.
-    // The dummy contract used here does not do this. The costs for the data copy is billed as
-    // part of `ext_input`.
-    instantiate {
-        let data = vec![0u8; 128];
-        let endowment = Config::<T>::subsistence_threshold_uncached();
-        let caller = create_funded_user::<T>("caller", 0);
-        let (binary, hash) = load_module!("dummy");
-        Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
-            .unwrap();
+	// Instantiate uses a dummy contract constructor to measure the overhead of the instantiate.
+	// The size of the data has no influence on the costs of this extrinsic as long as the contract
+	// won't call `ext_input` in its constructor to copy the data to contract memory.
+	// The dummy contract used here does not do this. The costs for the data copy is billed as
+	// part of `ext_input`.
+	instantiate {
+		let data = vec![0u8; 128];
+		let endowment = Config::<T>::subsistence_threshold_uncached();
+		let caller = create_funded_user::<T>("caller", 0);
+		let (binary, hash) = load_module!("dummy");
+		Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
+			.unwrap();
 
-    }: _(
-            RawOrigin::Signed(caller.clone()),
-            endowment,
-            Weight::max_value(),
-            hash,
-            data
-        )
-    verify {
-        assert_eq!(
-            funding::<T>() - endowment,
-            T::Currency::free_balance(&caller),
-        )
-    }
+	}: _(
+			RawOrigin::Signed(caller.clone()),
+			endowment,
+			Weight::max_value(),
+			hash,
+			data
+		)
+	verify {
+		assert_eq!(
+			funding::<T>() - endowment,
+			T::Currency::free_balance(&caller),
+		)
+	}
 
-    // We just call a dummy contract to measure to overhead of the call extrinsic.
-    // As for instantiate the size of the data does not influence the costs.
-    call {
-        let data = vec![0u8; 128];
-        let endowment = Config::<T>::subsistence_threshold_uncached();
-        let value = T::Currency::minimum_balance() * 100.into();
-        let caller = create_funded_user::<T>("caller", 0);
-        let (binary, hash) = load_module!("dummy");
-        let addr = T::DetermineContractAddress::contract_address_for(&hash, &[], &caller);
-        Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
-            .unwrap();
-        Contracts::<T>::instantiate(
-            RawOrigin::Signed(caller.clone()).into(),
-            endowment,
-            Weight::max_value(),
-            hash,
-            vec![],
-        ).unwrap();
-    }: _(
-            RawOrigin::Signed(caller.clone()),
-            T::Lookup::unlookup(addr),
-            value,
-            Weight::max_value(),
-            data
-        )
-    verify {
-        assert_eq!(
-            funding::<T>() - endowment - value,
-            T::Currency::free_balance(&caller),
-        )
-    }
+	// We just call a dummy contract to measure to overhead of the call extrinsic.
+	// As for instantiate the size of the data does not influence the costs.
+	call {
+		let data = vec![0u8; 128];
+		let endowment = Config::<T>::subsistence_threshold_uncached();
+		let value = T::Currency::minimum_balance() * 100.into();
+		let caller = create_funded_user::<T>("caller", 0);
+		let (binary, hash) = load_module!("dummy");
+		let addr = T::DetermineContractAddress::contract_address_for(&hash, &[], &caller);
+		Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
+			.unwrap();
+		Contracts::<T>::instantiate(
+			RawOrigin::Signed(caller.clone()).into(),
+			endowment,
+			Weight::max_value(),
+			hash,
+			vec![],
+		).unwrap();
+	}: _(
+			RawOrigin::Signed(caller.clone()),
+			T::Lookup::unlookup(addr),
+			value,
+			Weight::max_value(),
+			data
+		)
+	verify {
+		assert_eq!(
+			funding::<T>() - endowment - value,
+			T::Currency::free_balance(&caller),
+		)
+	}
 
-    // We benchmark the costs for sucessfully evicting an empty contract.
-    // The actual costs are depending on how many storage items the evicted contract
-    // does have. However, those costs are not to be payed by the sender but
-    // will be distributed over multiple blocks using a scheduler. Otherwise there is
-    // no incentive to remove large contracts when the removal is more expensive than
-    // the reward for removing them.
-    claim_surcharge {
-        let endowment = Config::<T>::subsistence_threshold_uncached();
-        let value = T::Currency::minimum_balance() * 100.into();
-        let caller = create_funded_user::<T>("caller", 0);
-        let (binary, hash) = load_module!("dummy");
-        let addr = T::DetermineContractAddress::contract_address_for(&hash, &[], &caller);
-        Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
-            .unwrap();
-        Contracts::<T>::instantiate(
-            RawOrigin::Signed(caller.clone()).into(),
-            endowment,
-            Weight::max_value(),
-            hash,
-            vec![],
-        ).unwrap();
+	// We benchmark the costs for sucessfully evicting an empty contract.
+	// The actual costs are depending on how many storage items the evicted contract
+	// does have. However, those costs are not to be payed by the sender but
+	// will be distributed over multiple blocks using a scheduler. Otherwise there is
+	// no incentive to remove large contracts when the removal is more expensive than
+	// the reward for removing them.
+	claim_surcharge {
+		let endowment = Config::<T>::subsistence_threshold_uncached();
+		let value = T::Currency::minimum_balance() * 100.into();
+		let caller = create_funded_user::<T>("caller", 0);
+		let (binary, hash) = load_module!("dummy");
+		let addr = T::DetermineContractAddress::contract_address_for(&hash, &[], &caller);
+		Contracts::<T>::put_code(RawOrigin::Signed(caller.clone()).into(), binary.to_vec())
+			.unwrap();
+		Contracts::<T>::instantiate(
+			RawOrigin::Signed(caller.clone()).into(),
+			endowment,
+			Weight::max_value(),
+			hash,
+			vec![],
+		).unwrap();
 
-        // instantiate should leave us with an alive contract
-        ContractInfoOf::<T>::get(addr.clone()).unwrap().get_alive().unwrap();
+		// instantiate should leave us with an alive contract
+		ContractInfoOf::<T>::get(addr.clone()).unwrap().get_alive().unwrap();
 
-        // generate some rent
-        advance_block::<T>(<T as Trait>::SignedClaimHandicap::get() + 1.into());
+		// generate some rent
+		advance_block::<T>(<T as Trait>::SignedClaimHandicap::get() + 1.into());
 
-    }: _(RawOrigin::Signed(caller.clone()), addr.clone(), None)
-    verify {
-        // the claim surcharge should have evicted the contract
-        ContractInfoOf::<T>::get(addr.clone()).unwrap().get_tombstone().unwrap();
+	}: _(RawOrigin::Signed(caller.clone()), addr.clone(), None)
+	verify {
+		// the claim surcharge should have evicted the contract
+		ContractInfoOf::<T>::get(addr.clone()).unwrap().get_tombstone().unwrap();
 
-        // the caller should get the reward for being a good snitch
-        assert_eq!(
-            funding::<T>() - endowment + <T as Trait>::SurchargeReward::get(),
-            T::Currency::free_balance(&caller),
-        );
-    }
+		// the caller should get the reward for being a good snitch
+		assert_eq!(
+			funding::<T>() - endowment + <T as Trait>::SurchargeReward::get(),
+			T::Currency::free_balance(&caller),
+		);
+	}
 }
 
 #[cfg(test)]
 mod tests {
-    use super::*;
-    use crate::tests::{ExtBuilder, Test};
-    use frame_support::assert_ok;
+	use super::*;
+	use crate::tests::{ExtBuilder, Test};
+	use frame_support::assert_ok;
 
-    #[test]
-    fn update_schedule() {
+	#[test]
+	fn update_schedule() {
 		ExtBuilder::default().build().execute_with(|| {
 			assert_ok!(test_benchmark_update_schedule::<Test>());
 		});
-    }
+	}
 
-    #[test]
-    fn put_code() {
+	#[test]
+	fn put_code() {
 		ExtBuilder::default().build().execute_with(|| {
 			assert_ok!(test_benchmark_put_code::<Test>());
 		});
-    }
+	}
 
-    #[test]
-    fn instantiate() {
+	#[test]
+	fn instantiate() {
 		ExtBuilder::default().build().execute_with(|| {
 			assert_ok!(test_benchmark_instantiate::<Test>());
 		});
-    }
+	}
 
-    #[test]
-    fn call() {
+	#[test]
+	fn call() {
 		ExtBuilder::default().build().execute_with(|| {
 			assert_ok!(test_benchmark_call::<Test>());
 		});
-    }
+	}
 
-    #[test]
-    fn claim_surcharge() {
+	#[test]
+	fn claim_surcharge() {
 		ExtBuilder::default().build().execute_with(|| {
 			assert_ok!(test_benchmark_claim_surcharge::<Test>());
 		});
diff --git a/substrate/frame/staking/src/tests.rs b/substrate/frame/staking/src/tests.rs
index a957b6ef33a..e5015cbdc92 100644
--- a/substrate/frame/staking/src/tests.rs
+++ b/substrate/frame/staking/src/tests.rs
@@ -2861,9 +2861,9 @@ mod offchain_phragmen {
 		let (offchain, offchain_state) = TestOffchainExt::new();
 		let (pool, pool_state) = TestTransactionPoolExt::new();
 
-	    let mut seed = [0_u8; 32];
-	    seed[0..4].copy_from_slice(&iterations.to_le_bytes());
-	    offchain_state.write().seed = seed;
+		let mut seed = [0_u8; 32];
+		seed[0..4].copy_from_slice(&iterations.to_le_bytes());
+		offchain_state.write().seed = seed;
 
 		ext.register_extension(OffchainExt::new(offchain));
 		ext.register_extension(TransactionPoolExt::new(pool));
diff --git a/substrate/primitives/consensus/common/src/metrics.rs b/substrate/primitives/consensus/common/src/metrics.rs
index 90df85a2948..f9326fac062 100644
--- a/substrate/primitives/consensus/common/src/metrics.rs
+++ b/substrate/primitives/consensus/common/src/metrics.rs
@@ -48,7 +48,7 @@ impl Metrics {
 					&["result"],
 				)?,
 				registry,
-            )?,
+			)?,
 		})
 	}
 
diff --git a/substrate/primitives/core/src/sr25519.rs b/substrate/primitives/core/src/sr25519.rs
index 9e9aaf53bbf..b015347e9aa 100644
--- a/substrate/primitives/core/src/sr25519.rs
+++ b/substrate/primitives/core/src/sr25519.rs
@@ -399,15 +399,15 @@ impl TraitPublic for Public {
 }
 
 impl From<Public> for CryptoTypePublicPair {
-    fn from(key: Public) -> Self {
-        (&key).into()
-    }
+	fn from(key: Public) -> Self {
+		(&key).into()
+	}
 }
 
 impl From<&Public> for CryptoTypePublicPair {
-    fn from(key: &Public) -> Self {
-        CryptoTypePublicPair(CRYPTO_ID, key.to_raw_vec())
-    }
+	fn from(key: &Public) -> Self {
+		CryptoTypePublicPair(CRYPTO_ID, key.to_raw_vec())
+	}
 }
 
 #[cfg(feature = "std")]
diff --git a/substrate/primitives/runtime/src/offchain/storage_lock.rs b/substrate/primitives/runtime/src/offchain/storage_lock.rs
index 9d4e671db6e..a3838f21fd1 100644
--- a/substrate/primitives/runtime/src/offchain/storage_lock.rs
+++ b/substrate/primitives/runtime/src/offchain/storage_lock.rs
@@ -560,34 +560,34 @@ mod tests {
 			offchain::sleep_until(offchain::timestamp().add(Duration::from_millis(200)));
 
 			// the lock is still active, extend it successfully
-            assert_eq!(guard.extend_lock().is_ok(), true);
+			assert_eq!(guard.extend_lock().is_ok(), true);
 
-            // sleep_until < deadline
-            offchain::sleep_until(offchain::timestamp().add(Duration::from_millis(200)));
+			// sleep_until < deadline
+			offchain::sleep_until(offchain::timestamp().add(Duration::from_millis(200)));
 
-            // the lock is still active, try_lock will fail
-            let mut lock = StorageLock::<'_, Time>::with_deadline(b"lock_4", lock_expiration);
-            let res = lock.try_lock();
-            assert_eq!(res.is_ok(), false);
+			// the lock is still active, try_lock will fail
+			let mut lock = StorageLock::<'_, Time>::with_deadline(b"lock_4", lock_expiration);
+			let res = lock.try_lock();
+			assert_eq!(res.is_ok(), false);
 
-            // sleep again untill sleep_until > deadline
-            offchain::sleep_until(offchain::timestamp().add(Duration::from_millis(200)));
+			// sleep again untill sleep_until > deadline
+			offchain::sleep_until(offchain::timestamp().add(Duration::from_millis(200)));
 
-            // the lock has expired, failed to extend it
-            assert_eq!(guard.extend_lock().is_ok(), false);
-            guard.forget();
+			// the lock has expired, failed to extend it
+			assert_eq!(guard.extend_lock().is_ok(), false);
+			guard.forget();
 
-            // try_lock will succeed
-            let mut lock = StorageLock::<'_, Time>::with_deadline(b"lock_4", lock_expiration);
-            let res = lock.try_lock();
-            assert!(res.is_ok());
-            let guard = res.unwrap();
+			// try_lock will succeed
+			let mut lock = StorageLock::<'_, Time>::with_deadline(b"lock_4", lock_expiration);
+			let res = lock.try_lock();
+			assert!(res.is_ok());
+			let guard = res.unwrap();
 
-            guard.forget();
-        });
+			guard.forget();
+		});
 
-        // lock must have been cleared at this point
-        let opt = state.read().persistent_storage.get(b"", b"lock_4");
-        assert_eq!(opt.unwrap(), vec![132_u8, 3u8, 0, 0, 0, 0, 0, 0]); // 132 + 256 * 3 = 900
+		// lock must have been cleared at this point
+		let opt = state.read().persistent_storage.get(b"", b"lock_4");
+		assert_eq!(opt.unwrap(), vec![132_u8, 3u8, 0, 0, 0, 0, 0, 0]); // 132 + 256 * 3 = 900
 	}
 }
diff --git a/substrate/utils/fork-tree/src/lib.rs b/substrate/utils/fork-tree/src/lib.rs
index e11c1138f49..1d01c534176 100644
--- a/substrate/utils/fork-tree/src/lib.rs
+++ b/substrate/utils/fork-tree/src/lib.rs
@@ -132,7 +132,7 @@ impl<H, N, V> ForkTree<H, N, V> where
 
 			let mut root = root
 				.expect("find_node_index_where will return array with at least one index; \
-                         this results in at least one item in removed; qed");
+						 this results in at least one item in removed; qed");
 
 			let mut removed = old_roots;
 
-- 
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