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cargo fmt

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This commit is contained in:
Sean Bowe
2020-03-03 18:11:44 -07:00
parent 5e1a2f9d3f
commit 46e88a5e69
9 changed files with 173 additions and 172 deletions
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33
zcash_history/src/node_data.rs
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@@ -1,10 +1,9 @@
use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt, ByteOrder};
use bigint::U256;
use blake2::Params as Blake2Params;
use byteorder::{ByteOrder, LittleEndian, ReadBytesExt, WriteBytesExt};
/// Maximum serialized size of the node metadata.
pub const MAX_NODE_DATA_SIZE: usize =
32 + // subtree commitment
pub const MAX_NODE_DATA_SIZE: usize = 32 + // subtree commitment
4 + // start time
4 + // end time
4 + // start target
@@ -14,8 +13,8 @@ pub const MAX_NODE_DATA_SIZE: usize =
32 + // subtree total work
9 + // start height (compact uint)
9 + // end height (compact uint)
9; // shielded tx count (compact uint)
// = total of 171
9; // shielded tx count (compact uint)
// = total of 171
/// Node metadata.
#[repr(C)]
@@ -75,14 +74,17 @@ impl NodeData {
let mut hash_buf = [0u8; MAX_NODE_DATA_SIZE * 2];
let size = {
let mut cursor = ::std::io::Cursor::new(&mut hash_buf[..]);
left.write(&mut cursor).expect("Writing to memory buf with enough length cannot fail; qed");
right.write(&mut cursor).expect("Writing to memory buf with enough length cannot fail; qed");
left.write(&mut cursor)
.expect("Writing to memory buf with enough length cannot fail; qed");
right
.write(&mut cursor)
.expect("Writing to memory buf with enough length cannot fail; qed");
cursor.position() as usize
};
let hash = blake2b_personal(
&personalization(left.consensus_branch_id),
&hash_buf[..size]
&hash_buf[..size],
);
NodeData {
@@ -103,17 +105,15 @@ impl NodeData {
fn write_compact<W: std::io::Write>(w: &mut W, compact: u64) -> std::io::Result<()> {
match compact {
0..=0xfc => {
w.write_all(&[compact as u8])?
},
0..=0xfc => w.write_all(&[compact as u8])?,
0xfd..=0xffff => {
w.write_all(&[0xfd])?;
w.write_u16::<LittleEndian>(compact as u16)?;
},
}
0x10000..=0xffff_ffff => {
w.write_all(&[0xfe])?;
w.write_u32::<LittleEndian>(compact as u32)?;
},
}
_ => {
w.write_all(&[0xff])?;
w.write_u64::<LittleEndian>(compact)?;
@@ -160,8 +160,8 @@ impl NodeData {
r.read_exact(&mut data.subtree_commitment)?;
data.start_time = r.read_u32::<LittleEndian>()?;
data.end_time = r.read_u32::<LittleEndian>()?;
data.start_target= r.read_u32::<LittleEndian>()?;
data.end_target= r.read_u32::<LittleEndian>()?;
data.start_target = r.read_u32::<LittleEndian>()?;
data.end_target = r.read_u32::<LittleEndian>()?;
r.read_exact(&mut data.start_sapling_root)?;
r.read_exact(&mut data.end_sapling_root)?;
@@ -230,10 +230,9 @@ mod tests {
use super::NodeData;
use quickcheck::{quickcheck, TestResult};
quickcheck! {
fn serialization_round_trip(node_data: NodeData) -> TestResult {
TestResult::from_bool(NodeData::from_bytes(0, &node_data.to_bytes()).unwrap() == node_data)
}
}
}
}