Merge pull request #1340 from antiochp/rustfmt_core_crate

rustfmt on core crate (not run for a while)

core/src/core/block.rs

@@ -14,12 +14,12 @@
 
 //! Blocks and blockheaders
 
+use chrono::naive::{MAX_DATE, MIN_DATE};
+use chrono::prelude::{DateTime, NaiveDateTime, Utc};
 use rand::{thread_rng, Rng};
 use std::collections::HashSet;
 use std::fmt;
 use std::iter::FromIterator;
-use chrono::naive::{MAX_DATE, MIN_DATE};
-use chrono::prelude::{DateTime, NaiveDateTime, Utc};
 
 use consensus::{self, exceeds_weight, reward, VerifySortOrder, REWARD};
 use core::committed::{self, Committed};
@@ -191,7 +191,9 @@ impl Readable for BlockHeader {
 			ser_multiread!(reader, read_u64, read_u64, read_u64);
 		let pow = Proof::read(reader)?;
 
-		if timestamp > MAX_DATE.and_hms(0,0,0).timestamp() || timestamp <MIN_DATE.and_hms(0,0,0).timestamp(){
+		if timestamp > MAX_DATE.and_hms(0, 0, 0).timestamp()
+			|| timestamp < MIN_DATE.and_hms(0, 0, 0).timestamp()
+		{
 			return Err(ser::Error::CorruptedData);
 		}
 
@@ -512,7 +514,8 @@ impl Block {
 		let header = self.header.clone();
 		let nonce = thread_rng().next_u64();
 
-		let mut out_full = self.outputs
+		let mut out_full = self
+			.outputs
 			.iter()
 			.filter(|x| x.features.contains(OutputFeatures::COINBASE_OUTPUT))
 			.cloned()
@@ -644,12 +647,14 @@ impl Block {
 	/// we do not want to cut-through (all coinbase must be preserved)
 	///
 	pub fn cut_through(self) -> Block {
-		let in_set = self.inputs
+		let in_set = self
+			.inputs
 			.iter()
 			.map(|inp| inp.commitment())
 			.collect::<HashSet<_>>();
 
-		let out_set = self.outputs
+		let out_set = self
+			.outputs
 			.iter()
 			.filter(|out| !out.features.contains(OutputFeatures::COINBASE_OUTPUT))
 			.map(|out| out.commitment())
@@ -657,12 +662,14 @@ impl Block {
 
 		let to_cut_through = in_set.intersection(&out_set).collect::<HashSet<_>>();
 
-		let new_inputs = self.inputs
+		let new_inputs = self
+			.inputs
 			.into_iter()
 			.filter(|inp| !to_cut_through.contains(&inp.commitment()))
 			.collect::<Vec<_>>();
 
-		let new_outputs = self.outputs
+		let new_outputs = self
+			.outputs
 			.into_iter()
 			.filter(|out| !to_cut_through.contains(&out.commitment()))
 			.collect::<Vec<_>>();
@@ -738,7 +745,8 @@ impl Block {
 	// Verify that no input is spending an output from the same block.
 	fn verify_cut_through(&self) -> Result<(), Error> {
 		for inp in &self.inputs {
-			if self.outputs
+			if self
+				.outputs
 				.iter()
 				.any(|out| out.commitment() == inp.commitment())
 			{
@@ -781,12 +789,14 @@ impl Block {
 	/// Check the sum of coinbase-marked outputs match
 	/// the sum of coinbase-marked kernels accounting for fees.
 	pub fn verify_coinbase(&self) -> Result<(), Error> {
-		let cb_outs = self.outputs
+		let cb_outs = self
+			.outputs
 			.iter()
 			.filter(|out| out.features.contains(OutputFeatures::COINBASE_OUTPUT))
 			.collect::<Vec<&Output>>();
 
-		let cb_kerns = self.kernels
+		let cb_kerns = self
+			.kernels
 			.iter()
 			.filter(|kernel| kernel.features.contains(KernelFeatures::COINBASE_KERNEL))
 			.collect::<Vec<&TxKernel>>();
@@ -801,10 +811,7 @@ impl Block {
 				vec![over_commit],
 			)?;
 
-			let kerns_sum = secp.commit_sum(
-				cb_kerns.iter().map(|x| x.excess).collect(),
-				vec![],
-			)?;
+			let kerns_sum = secp.commit_sum(cb_kerns.iter().map(|x| x.excess).collect(), vec![])?;
 
 			// Verify the kernel sum equals the output sum accounting for block fees.
 			if kerns_sum != out_adjust_sum {

core/src/core/hash.rs

@@ -228,7 +228,8 @@ impl<W: ser::Writeable> Hashed for W {
 
 impl<T: Writeable> consensus::VerifySortOrder<T> for Vec<T> {
 	fn verify_sort_order(&self) -> Result<(), consensus::Error> {
-		if self.iter()
+		if self
+			.iter()
 			.map(|item| item.hash())
 			.collect::<Vec<_>>()
 			.windows(2)

core/src/core/mod.rs

@@ -123,7 +123,7 @@ impl Proof {
 impl Readable for Proof {
 	fn read(reader: &mut Reader) -> Result<Proof, Error> {
 		let cuckoo_sizeshift = reader.read_u8()?;
-		if cuckoo_sizeshift == 0  ||  cuckoo_sizeshift > 64 {
+		if cuckoo_sizeshift == 0 || cuckoo_sizeshift > 64 {
 			return Err(Error::CorruptedData);
 		}
 

core/src/core/pmmr.rs

@@ -64,11 +64,7 @@ where
 	/// to rewind to as well as bitmaps representing the positions added and
 	/// removed since the rewind position. These are what we will "undo"
 	/// during the rewind.
-	fn rewind(
-		&mut self,
-		position: u64,
-		rewind_rm_pos: &Bitmap,
-	) -> Result<(), String>;
+	fn rewind(&mut self, position: u64, rewind_rm_pos: &Bitmap) -> Result<(), String>;
 
 	/// Get a Hash by insertion position.
 	fn get_hash(&self, position: u64) -> Option<Hash>;
@@ -268,7 +264,8 @@ where
 		while bintree_postorder_height(pos + 1) > height {
 			let left_sibling = bintree_jump_left_sibling(pos);
 
-			let left_hash = self.backend
+			let left_hash = self
+				.backend
 				.get_from_file(left_sibling)
 				.ok_or("missing left sibling in tree, should not have been pruned")?;
 
@@ -297,11 +294,7 @@ where
 	/// that had been canceled. Expects a position in the PMMR to rewind and
 	/// bitmaps representing the positions added and removed that we want to
 	/// "undo".
-	pub fn rewind(
-		&mut self,
-		position: u64,
-		rewind_rm_pos: &Bitmap,
-	) -> Result<(), String> {
+	pub fn rewind(&mut self, position: u64, rewind_rm_pos: &Bitmap) -> Result<(), String> {
 		// Identify which actual position we should rewind to as the provided
 		// position is a leaf. We traverse the MMR to inclue any parent(s) that
 		// need to be included for the MMR to be valid.

core/src/core/transaction.rs

@@ -318,8 +318,7 @@ impl Readable for Transaction {
 		// Treat any validation issues as data corruption.
 		// An example of this would be reading a tx
 		// that exceeded the allowed number of inputs.
-		tx.validate()
-			.map_err(|_| ser::Error::CorruptedData)?;
+		tx.validate().map_err(|_| ser::Error::CorruptedData)?;
 
 		Ok(tx)
 	}
@@ -488,7 +487,8 @@ impl Transaction {
 	// Verify that no input is spending an output from the same block.
 	fn verify_cut_through(&self) -> Result<(), Error> {
 		for inp in &self.inputs {
-			if self.outputs
+			if self
+				.outputs
 				.iter()
 				.any(|out| out.commitment() == inp.commitment())
 			{
@@ -509,7 +509,11 @@ impl Transaction {
 
 	// Verify we have no outputs tagged as COINBASE_OUTPUT.
 	fn verify_output_features(&self) -> Result<(), Error> {
-		if self.outputs.iter().any(|x| x.features.contains(OutputFeatures::COINBASE_OUTPUT)) {
+		if self
+			.outputs
+			.iter()
+			.any(|x| x.features.contains(OutputFeatures::COINBASE_OUTPUT))
+		{
 			return Err(Error::InvalidOutputFeatures);
 		}
 		Ok(())
@@ -517,7 +521,11 @@ impl Transaction {
 
 	// Verify we have no kernels tagged as COINBASE_KERNEL.
 	fn verify_kernel_features(&self) -> Result<(), Error> {
-		if self.kernels.iter().any(|x| x.features.contains(KernelFeatures::COINBASE_KERNEL)) {
+		if self
+			.kernels
+			.iter()
+			.any(|x| x.features.contains(KernelFeatures::COINBASE_KERNEL))
+		{
 			return Err(Error::InvalidKernelFeatures);
 		}
 		Ok(())

core/src/genesis.rs

@@ -14,7 +14,7 @@
 
 //! Definition of the genesis block. Placeholder for now.
 
-use chrono::prelude::{Utc, TimeZone};
+use chrono::prelude::{TimeZone, Utc};
 
 use consensus;
 use core;
@@ -98,13 +98,12 @@ pub fn genesis_testnet3() -> core::Block {
 			total_difficulty: Difficulty::from_num(global::initial_block_difficulty()),
 			nonce: 4956988373127691,
 			pow: core::Proof::new(vec![
-					0xa420dc, 0xc8ffee, 0x10e433e, 0x1de9428, 0x2ed4cea, 0x52d907b,
-					0x5af0e3f, 0x6b8fcae, 0x8319b53, 0x845ca8c, 0x8d2a13e, 0x8d6e4cc,
-					0x9349e8d, 0xa7a33c5, 0xaeac3cb, 0xb193e23, 0xb502e19, 0xb5d9804,
-					0xc9ac184, 0xd4f4de3, 0xd7a23b8, 0xf1d8660, 0xf443756, 0x10b833d2,
-					0x11418fc5, 0x11b8aeaf, 0x131836ec, 0x132ab818, 0x13a46a55, 0x13df89fe,
-					0x145d65b5, 0x166f9c3a, 0x166fe0ef, 0x178cb36f, 0x185baf68, 0x1bbfe563,
-					0x1bd637b4, 0x1cfc8382, 0x1d1ed012, 0x1e391ca5, 0x1e999b4c, 0x1f7c6d21,
+				0xa420dc, 0xc8ffee, 0x10e433e, 0x1de9428, 0x2ed4cea, 0x52d907b, 0x5af0e3f,
+				0x6b8fcae, 0x8319b53, 0x845ca8c, 0x8d2a13e, 0x8d6e4cc, 0x9349e8d, 0xa7a33c5,
+				0xaeac3cb, 0xb193e23, 0xb502e19, 0xb5d9804, 0xc9ac184, 0xd4f4de3, 0xd7a23b8,
+				0xf1d8660, 0xf443756, 0x10b833d2, 0x11418fc5, 0x11b8aeaf, 0x131836ec, 0x132ab818,
+				0x13a46a55, 0x13df89fe, 0x145d65b5, 0x166f9c3a, 0x166fe0ef, 0x178cb36f, 0x185baf68,
+				0x1bbfe563, 0x1bd637b4, 0x1cfc8382, 0x1d1ed012, 0x1e391ca5, 0x1e999b4c, 0x1f7c6d21,
 			]),
 			..Default::default()
 		},

core/src/lib.rs

@@ -38,8 +38,8 @@ extern crate serde_derive;
 extern crate siphasher;
 #[macro_use]
 extern crate slog;
-extern crate failure;
 extern crate chrono;
+extern crate failure;
 #[macro_use]
 extern crate failure_derive;
 

core/src/pow/cuckoo.rs

@@ -414,15 +414,21 @@ mod test {
 		assert!(
 			!Cuckoo::from_hash(blake2(&[49]).as_bytes(), 20).verify(&Proof::new(vec![0; 42]), 75)
 		);
-		assert!(!Cuckoo::from_hash(blake2(&[49]).as_bytes(), 20)
-			.verify(&Proof::new(vec![0xffff; 42]), 75));
+		assert!(
+			!Cuckoo::from_hash(blake2(&[49]).as_bytes(), 20)
+				.verify(&Proof::new(vec![0xffff; 42]), 75)
+		);
 		// wrong data for proof
-		assert!(!Cuckoo::from_hash(blake2(&[50]).as_bytes(), 20)
-			.verify(&Proof::new(V1.to_vec().clone()), 75));
+		assert!(
+			!Cuckoo::from_hash(blake2(&[50]).as_bytes(), 20)
+				.verify(&Proof::new(V1.to_vec().clone()), 75)
+		);
 		let mut test_header = [0; 32];
 		test_header[0] = 24;
-		assert!(!Cuckoo::from_hash(blake2(&test_header).as_bytes(), 20)
-			.verify(&Proof::new(V4.to_vec().clone()), 50));
+		assert!(
+			!Cuckoo::from_hash(blake2(&test_header).as_bytes(), 20)
+				.verify(&Proof::new(V4.to_vec().clone()), 50)
+		);
 	}
 
 	#[test]

core/src/pow/mod.rs

@@ -29,9 +29,9 @@
 #![warn(missing_docs)]
 
 extern crate blake2_rfc as blake2;
+extern crate chrono;
 extern crate rand;
 extern crate serde;
-extern crate chrono;
 
 extern crate grin_util as util;