Fix import order in functional_test_utils.rs

[rust-lightning] / lightning / src / sign / mod.rs

diff --git a/lightning/src/sign/mod.rs b/lightning/src/sign/mod.rs
index 2e7e39cc9cb9ccc82db63fd1f6e1af991681b758..4e418f049bbc9867a7a2a7920706e17c135ed23e 100644 (file)
--- a/lightning/src/sign/mod.rs
+++ b/lightning/src/sign/mod.rs
@@ -57,7 +57,7 @@ use core::convert::TryInto;
 use core::ops::Deref;
 use core::sync::atomic::{AtomicUsize, Ordering};
 #[cfg(taproot)]
-use musig2::types::{PartialSignature, PublicNonce, SecretNonce};
+use musig2::types::{PartialSignature, PublicNonce};
 use crate::io::{self, Error};
 use crate::ln::features::ChannelTypeFeatures;
 use crate::ln::msgs::{DecodeError, MAX_VALUE_MSAT};
@@ -603,6 +603,12 @@ pub trait ChannelSigner {
        fn validate_holder_commitment(&self, holder_tx: &HolderCommitmentTransaction,
                outbound_htlc_preimages: Vec<PaymentPreimage>) -> Result<(), ()>;
 
+       /// Validate the counterparty's revocation.
+       ///
+       /// This is required in order for the signer to make sure that the state has moved
+       /// forward and it is safe to sign the next counterparty commitment.
+       fn validate_counterparty_revocation(&self, idx: u64, secret: &SecretKey) -> Result<(), ()>;
+
        /// Returns the holder's channel public keys and basepoints.
        fn pubkeys(&self) -> &ChannelPublicKeys;
 
@@ -1084,6 +1090,10 @@ impl ChannelSigner for InMemorySigner {
                Ok(())
        }
 
+       fn validate_counterparty_revocation(&self, _idx: u64, _secret: &SecretKey) -> Result<(), ()> {
+               Ok(())
+       }
+
        fn pubkeys(&self) -> &ChannelPublicKeys { &self.holder_channel_pubkeys }
 
        fn channel_keys_id(&self) -> [u8; 32] { self.channel_keys_id }
@@ -1131,10 +1141,6 @@ impl EcdsaChannelSigner for InMemorySigner {
                Ok((commitment_sig, htlc_sigs))
        }
 
-       fn validate_counterparty_revocation(&self, _idx: u64, _secret: &SecretKey) -> Result<(), ()> {
-               Ok(())
-       }
-
        fn sign_holder_commitment(&self, commitment_tx: &HolderCommitmentTransaction, secp_ctx: &Secp256k1<secp256k1::All>) -> Result<Signature, ()> {
                let funding_pubkey = PublicKey::from_secret_key(secp_ctx, &self.funding_key);
                let counterparty_keys = self.counterparty_pubkeys().expect(MISSING_PARAMS_ERR);
@@ -1258,7 +1264,7 @@ impl TaprootChannelSigner for InMemorySigner {
                todo!()
        }
 
-       fn finalize_holder_commitment(&self, commitment_number: u64, commitment_tx: &HolderCommitmentTransaction, counterparty_partial_signature: PartialSignatureWithNonce, secp_ctx: &Secp256k1<All>) -> Result<PartialSignature, ()> {
+       fn finalize_holder_commitment(&self, commitment_tx: &HolderCommitmentTransaction, counterparty_partial_signature: PartialSignatureWithNonce, secp_ctx: &Secp256k1<All>) -> Result<PartialSignature, ()> {
                todo!()
        }