Implement concurrent broadcast tolerance for distributed watchtowers

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

diff --git a/lightning/src/ln/onchaintx.rs b/lightning/src/ln/onchaintx.rs
index 281bc919060a95445b1f8d76a7d1764ee15b500a..cad5cc1bb2ea94ee9d386db96ed5a8775b5c64ef 100644 (file)
--- a/lightning/src/ln/onchaintx.rs
+++ b/lightning/src/ln/onchaintx.rs
@@ -877,18 +877,9 @@ impl<ChanSigner: ChannelKeys> OnchainTxHandler<ChanSigner> {
                }
        }
 
-       pub(super) fn provide_latest_holder_tx(&mut self, tx: HolderCommitmentTransaction) -> Result<(), ()> {
-               // To prevent any unsafe state discrepancy between offchain and onchain, once holder
-               // commitment transaction has been signed due to an event (either block height for
-               // HTLC-timeout or channel force-closure), don't allow any further update of holder
-               // commitment transaction view to avoid delivery of revocation secret to counterparty
-               // for the aformentionned signed transaction.
-               if self.holder_htlc_sigs.is_some() || self.prev_holder_htlc_sigs.is_some() {
-                       return Err(());
-               }
+       pub(super) fn provide_latest_holder_tx(&mut self, tx: HolderCommitmentTransaction) {
                self.prev_holder_commitment = self.holder_commitment.take();
                self.holder_commitment = Some(tx);
-               Ok(())
        }
 
        fn sign_latest_holder_htlcs(&mut self) {