Make ChannelKeys an API and template Channel with it.

[rust-lightning] / lightning / src / ln / chan_utils.rs

diff --git a/lightning/src/ln/chan_utils.rs b/lightning/src/ln/chan_utils.rs
index 1d8dd30760f4b7384ec247a5bfae1f6482d523a7..b69cee080014fc01e0c7504714f863822ab2c2b1 100644 (file)
--- a/lightning/src/ln/chan_utils.rs
+++ b/lightning/src/ln/chan_utils.rs
@@ -20,8 +20,8 @@ pub const HTLC_TIMEOUT_TX_WEIGHT: u64 = 663;
 // Various functions for key derivation and transaction creation for use within channels. Primarily
 // used in Channel and ChannelMonitor.
 
-pub fn build_commitment_secret(commitment_seed: [u8; 32], idx: u64) -> [u8; 32] {
-       let mut res: [u8; 32] = commitment_seed;
+pub fn build_commitment_secret(commitment_seed: &[u8; 32], idx: u64) -> [u8; 32] {
+       let mut res: [u8; 32] = commitment_seed.clone();
        for i in 0..48 {
                let bitpos = 47 - i;
                if idx & (1 << bitpos) == (1 << bitpos) {