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Fix new clippy lints (#2036)

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## Issue Addressed

NA

## Proposed Changes

Fixes new clippy lints in the whole project (mainly [manual_strip](https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip) and [unnecessary_lazy_evaluations](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations)). Furthermore, removes `to_string()` calls on literals when used with the `?`-operator.
This commit is contained in:
blacktemplar
2020-12-03 01:10:26 +00:00
parent d3f0a21436
commit d8cda2d86e
71 changed files with 314 additions and 364 deletions
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10
beacon_node/eth2_libp2p/src/discovery/enr.rs
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@@ -34,16 +34,14 @@ impl Eth2Enr for Enr {
fn bitfield<TSpec: EthSpec>(&self) -> Result<EnrBitfield<TSpec>, &'static str> {
let bitfield_bytes = self
.get(BITFIELD_ENR_KEY)
.ok_or_else(|| "ENR bitfield non-existent")?;
.ok_or("ENR bitfield non-existent")?;
BitVector::<TSpec::SubnetBitfieldLength>::from_ssz_bytes(bitfield_bytes)
.map_err(|_| "Could not decode the ENR SSZ bitfield")
}
fn eth2(&self) -> Result<EnrForkId, &'static str> {
let eth2_bytes = self
.get(ETH2_ENR_KEY)
.ok_or_else(|| "ENR has no eth2 field")?;
let eth2_bytes = self.get(ETH2_ENR_KEY).ok_or("ENR has no eth2 field")?;
EnrForkId::from_ssz_bytes(eth2_bytes).map_err(|_| "Could not decode EnrForkId")
}
@@ -79,7 +77,7 @@ pub fn use_or_load_enr(
// same node id, different configuration - update the sequence number
// Note: local_enr is generated with default(0) attnets value,
// so a non default value in persisted enr will also update sequence number.
let new_seq_no = disk_enr.seq().checked_add(1).ok_or_else(|| "ENR sequence number on file is too large. Remove it to generate a new NodeId")?;
let new_seq_no = disk_enr.seq().checked_add(1).ok_or("ENR sequence number on file is too large. Remove it to generate a new NodeId")?;
local_enr.set_seq(new_seq_no, enr_key).map_err(|e| {
format!("Could not update ENR sequence number: {:?}", e)
})?;
@@ -133,7 +131,7 @@ pub fn create_enr_builder_from_config<T: EnrKey>(
}
// we always give it our listening tcp port
if enable_tcp {
let tcp_port = config.enr_tcp_port.unwrap_or_else(|| config.libp2p_port);
let tcp_port = config.enr_tcp_port.unwrap_or(config.libp2p_port);
builder.tcp(tcp_port);
}
builder