Add KeysInterface::get_node_id method

[rust-lightning] / lightning / src / util / enforcing_trait_impls.rs

diff --git a/lightning/src/util/enforcing_trait_impls.rs b/lightning/src/util/enforcing_trait_impls.rs
index f4450cc129d81979cedbf1580e5cc3a0450dad62..34b5954d48525b4555ba45b3de803b334ab24007 100644 (file)
--- a/lightning/src/util/enforcing_trait_impls.rs
+++ b/lightning/src/util/enforcing_trait_impls.rs
@@ -7,6 +7,7 @@
 // You may not use this file except in accordance with one or both of these
 // licenses.
 
+use ln::channel::{ANCHOR_OUTPUT_VALUE_SATOSHI, MIN_CHAN_DUST_LIMIT_SATOSHIS};
 use ln::chan_utils::{HTLCOutputInCommitment, ChannelPublicKeys, HolderCommitmentTransaction, CommitmentTransaction, ChannelTransactionParameters, TrustedCommitmentTransaction, ClosingTransaction};
 use ln::{chan_utils, msgs, PaymentPreimage};
 use chain::keysinterface::{Sign, InMemorySigner, BaseSign};
@@ -199,6 +200,16 @@ impl BaseSign for EnforcingSigner {
                Ok(self.inner.sign_closing_transaction(closing_tx, secp_ctx).unwrap())
        }
 
+       fn sign_holder_anchor_input(
+               &self, anchor_tx: &mut 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
+               // value, an anchor output can only have an index within [0, 1].
+               assert!(anchor_tx.input[input].previous_output.vout == 0 || anchor_tx.input[input].previous_output.vout == 1);
+               self.inner.sign_holder_anchor_input(anchor_tx, input, secp_ctx)
+       }
+
        fn sign_channel_announcement(&self, msg: &msgs::UnsignedChannelAnnouncement, secp_ctx: &Secp256k1<secp256k1::All>)
        -> Result<(Signature, Signature), ()> {
                self.inner.sign_channel_announcement(msg, secp_ctx)