Add NodeSigner::sign_gossip_message
[rust-lightning] / lightning / src / util / enforcing_trait_impls.rs
index 8344f9f357f959b5d62a4e35ee4e1a677ddfa8b4..dfec1be7e91bc5896882560afa2939d46f0b0318 100644 (file)
@@ -23,6 +23,8 @@ use bitcoin::util::sighash;
 use bitcoin::secp256k1;
 use bitcoin::secp256k1::{SecretKey, PublicKey};
 use bitcoin::secp256k1::{Secp256k1, ecdsa::Signature};
+#[cfg(anchors)]
+use crate::util::events::HTLCDescriptor;
 use crate::util::ser::{Writeable, Writer};
 use crate::io::Error;
 
@@ -157,7 +159,7 @@ impl BaseSign for EnforcingSigner {
                for (this_htlc, sig) in trusted_tx.htlcs().iter().zip(&commitment_tx.counterparty_htlc_sigs) {
                        assert!(this_htlc.transaction_output_index.is_some());
                        let keys = trusted_tx.keys();
-                       let htlc_tx = chan_utils::build_htlc_transaction(&commitment_txid, trusted_tx.feerate_per_kw(), holder_csv, &this_htlc, self.opt_anchors(), &keys.broadcaster_delayed_payment_key, &keys.revocation_key);
+                       let htlc_tx = chan_utils::build_htlc_transaction(&commitment_txid, trusted_tx.feerate_per_kw(), holder_csv, &this_htlc, self.opt_anchors(), false, &keys.broadcaster_delayed_payment_key, &keys.revocation_key);
 
                        let htlc_redeemscript = chan_utils::get_htlc_redeemscript(&this_htlc, self.opt_anchors(), &keys);
 
@@ -190,6 +192,17 @@ impl BaseSign for EnforcingSigner {
                Ok(self.inner.sign_justice_revoked_htlc(justice_tx, input, amount, per_commitment_key, htlc, secp_ctx).unwrap())
        }
 
+       #[cfg(anchors)]
+       fn sign_holder_htlc_transaction(
+               &self, htlc_tx: &Transaction, input: usize, htlc_descriptor: &HTLCDescriptor,
+               secp_ctx: &Secp256k1<secp256k1::All>
+       ) -> Result<Signature, ()> {
+               let per_commitment_point = self.get_per_commitment_point(htlc_descriptor.per_commitment_number, secp_ctx);
+               assert_eq!(htlc_tx.input[input], htlc_descriptor.unsigned_tx_input());
+               assert_eq!(htlc_tx.output[input], htlc_descriptor.tx_output(&per_commitment_point, secp_ctx));
+               Ok(self.inner.sign_holder_htlc_transaction(htlc_tx, input, htlc_descriptor, secp_ctx).unwrap())
+       }
+
        fn sign_counterparty_htlc_transaction(&self, htlc_tx: &Transaction, input: usize, amount: u64, per_commitment_point: &PublicKey, htlc: &HTLCOutputInCommitment, secp_ctx: &Secp256k1<secp256k1::All>) -> Result<Signature, ()> {
                Ok(self.inner.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc, secp_ctx).unwrap())
        }
@@ -201,7 +214,7 @@ impl BaseSign for EnforcingSigner {
        }
 
        fn sign_holder_anchor_input(
-               &self, anchor_tx: &mut Transaction, input: usize, secp_ctx: &Secp256k1<secp256k1::All>,
+               &self, anchor_tx: &Transaction, input: usize, secp_ctx: &Secp256k1<secp256k1::All>,
        ) -> Result<Signature, ()> {
                debug_assert!(MIN_CHAN_DUST_LIMIT_SATOSHIS > ANCHOR_OUTPUT_VALUE_SATOSHI);
                // As long as our minimum dust limit is enforced and is greater than our anchor output
@@ -215,8 +228,8 @@ impl BaseSign for EnforcingSigner {
                self.inner.sign_channel_announcement(msg, secp_ctx)
        }
 
-       fn ready_channel(&mut self, channel_parameters: &ChannelTransactionParameters) {
-               self.inner.ready_channel(channel_parameters)
+       fn provide_channel_parameters(&mut self, channel_parameters: &ChannelTransactionParameters) {
+               self.inner.provide_channel_parameters(channel_parameters)
        }
 }
 
@@ -226,7 +239,7 @@ impl Writeable for EnforcingSigner {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), Error> {
                // EnforcingSigner has two fields - `inner` ([`InMemorySigner`]) and `state`
                // ([`EnforcementState`]). `inner` is serialized here and deserialized by
-               // [`KeysInterface::read_chan_signer`]. `state` is managed by [`KeysInterface`]
+               // [`SignerProvider::read_chan_signer`]. `state` is managed by [`SignerProvider`]
                // and will be serialized as needed by the implementation of that trait.
                self.inner.write(writer)?;
                Ok(())