Use `crate::prelude::*` rather than specific imports

[rust-lightning] / lightning / src / routing / gossip.rs

diff --git a/lightning/src/routing/gossip.rs b/lightning/src/routing/gossip.rs
index 806aadd583c02491df9b87b1076a4166b65d71c1..42bf20a78a51684056f896b50fc510d18b279d0f 100644 (file)
--- a/lightning/src/routing/gossip.rs
+++ b/lightning/src/routing/gossip.rs
@@ -38,7 +38,6 @@ use crate::io;
 use crate::io_extras::{copy, sink};
 use crate::prelude::*;
 use core::{cmp, fmt};
-use core::convert::TryFrom;
 use crate::sync::{RwLock, RwLockReadGuard, LockTestExt};
 #[cfg(feature = "std")]
 use core::sync::atomic::{AtomicUsize, Ordering};
@@ -74,6 +73,16 @@ impl NodeId {
                NodeId(pubkey.serialize())
        }
 
+       /// Create a new NodeId from a slice of bytes
+       pub fn from_slice(bytes: &[u8]) -> Result<Self, DecodeError> {
+               if bytes.len() != PUBLIC_KEY_SIZE {
+                       return Err(DecodeError::InvalidValue);
+               }
+               let mut data = [0; PUBLIC_KEY_SIZE];
+               data.copy_from_slice(bytes);
+               Ok(NodeId(data))
+       }
+
        /// Get the public key slice from this NodeId
        pub fn as_slice(&self) -> &[u8] {
                &self.0