/// The revocation point specific to the commitment transaction which was broadcast. Used to
/// derive the witnessScript for this output.
pub revocation_pubkey: PublicKey,
- /// Arbitrary identification information returned by a call to [`BaseSign::channel_keys_id`].
+ /// Arbitrary identification information returned by a call to [`EcdsaChannelSigner::channel_keys_id`].
/// This may be useful in re-deriving keys used in the channel to spend the output.
pub channel_keys_id: [u8; 32],
/// The value of the channel which this output originated from, possibly indirectly.
pub outpoint: OutPoint,
/// The output which is referenced by the given outpoint.
pub output: TxOut,
- /// Arbitrary identification information returned by a call to [`BaseSign::channel_keys_id`].
+ /// Arbitrary identification information returned by a call to [`EcdsaChannelSigner::channel_keys_id`].
/// This may be useful in re-deriving keys used in the channel to spend the output.
pub channel_keys_id: [u8; 32],
/// The value of the channel which this transactions spends.
///
/// To derive the delayed payment key which is used to sign this input, you must pass the
/// holder [`InMemorySigner::delayed_payment_base_key`] (i.e., the private key which corresponds to the
- /// [`ChannelPublicKeys::delayed_payment_basepoint`] in [`BaseSign::pubkeys`]) and the provided
+ /// [`ChannelPublicKeys::delayed_payment_basepoint`] in [`EcdsaChannelSigner::pubkeys`]) and the provided
/// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to [`chan_utils::derive_private_key`]. The public key can be
/// generated without the secret key using [`chan_utils::derive_public_key`] and only the
- /// [`ChannelPublicKeys::delayed_payment_basepoint`] which appears in [`BaseSign::pubkeys`].
+ /// [`ChannelPublicKeys::delayed_payment_basepoint`] which appears in [`EcdsaChannelSigner::pubkeys`].
///
/// To derive the [`DelayedPaymentOutputDescriptor::revocation_pubkey`] provided here (which is
/// used in the witness script generation), you must pass the counterparty
/// [`ChannelPublicKeys::revocation_basepoint`] (which appears in the call to
- /// [`BaseSign::provide_channel_parameters`]) and the provided
+ /// [`EcdsaChannelSigner::provide_channel_parameters`]) and the provided
/// [`DelayedPaymentOutputDescriptor::per_commitment_point`] to
/// [`chan_utils::derive_public_revocation_key`].
///
/// [`chan_utils::get_revokeable_redeemscript`].
DelayedPaymentOutput(DelayedPaymentOutputDescriptor),
/// An output to a P2WPKH, spendable exclusively by our payment key (i.e., the private key
- /// which corresponds to the `payment_point` in [`BaseSign::pubkeys`]). The witness
+ /// which corresponds to the `payment_point` in [`EcdsaChannelSigner::pubkeys`]). The witness
/// in the spending input is, thus, simply:
/// ```bitcoin
/// <BIP 143 signature> <payment key>
/// policies in order to be secure. Please refer to the [VLS Policy
/// Controls](https://gitlab.com/lightning-signer/validating-lightning-signer/-/blob/main/docs/policy-controls.md)
/// for an example of such policies.
-pub trait BaseSign {
+pub trait EcdsaChannelSigner {
/// Gets the per-commitment point for a specific commitment number
///
/// Note that the commitment number starts at `(1 << 48) - 1` and counts backwards.
fn pubkeys(&self) -> &ChannelPublicKeys;
/// Returns an arbitrary identifier describing the set of keys which are provided back to you in
/// some [`SpendableOutputDescriptor`] types. This should be sufficient to identify this
- /// [`BaseSign`] object uniquely and lookup or re-derive its keys.
+ /// [`EcdsaChannelSigner`] object uniquely and lookup or re-derive its keys.
fn channel_keys_id(&self) -> [u8; 32];
/// Create a signature for a counterparty's commitment transaction and associated HTLC transactions.
///
/// Set the counterparty static channel data, including basepoints,
/// `counterparty_selected`/`holder_selected_contest_delay` and funding outpoint.
///
- /// This data is static, and will never change for a channel once set. For a given [`BaseSign`]
+ /// This data is static, and will never change for a channel once set. For a given [`EcdsaChannelSigner`]
/// instance, LDK will call this method exactly once - either immediately after construction
/// (not including if done via [`SignerProvider::read_chan_signer`]) or when the funding
/// information has been generated.
///
/// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
/// [`ChannelMonitor`]: crate::chain::channelmonitor::ChannelMonitor
-pub trait Sign: BaseSign + Writeable {}
+pub trait Sign: EcdsaChannelSigner + Writeable {}
/// Specifies the recipient of an invoice.
///
/// To derive a new `Signer`, a fresh `channel_keys_id` should be obtained through
/// [`SignerProvider::generate_channel_keys_id`]. Otherwise, an existing `Signer` can be
/// re-derived from its `channel_keys_id`, which can be obtained through its trait method
- /// [`BaseSign::channel_keys_id`].
+ /// [`EcdsaChannelSigner::channel_keys_id`].
fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer;
/// Reads a [`Signer`] for this [`SignerProvider`] from the given input stream.
/// Returns the counterparty's pubkeys.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn counterparty_pubkeys(&self) -> &ChannelPublicKeys { &self.get_channel_parameters().counterparty_parameters.as_ref().unwrap().pubkeys }
/// Returns the `contest_delay` value specified by our counterparty and applied on holder-broadcastable
/// transactions, i.e., the amount of time that we have to wait to recover our funds if we
/// broadcast a transaction.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn counterparty_selected_contest_delay(&self) -> u16 { self.get_channel_parameters().counterparty_parameters.as_ref().unwrap().selected_contest_delay }
/// Returns the `contest_delay` value specified by us and applied on transactions broadcastable
/// by our counterparty, i.e., the amount of time that they have to wait to recover their funds
/// if they broadcast a transaction.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn holder_selected_contest_delay(&self) -> u16 { self.get_channel_parameters().holder_selected_contest_delay }
/// Returns whether the holder is the initiator.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn is_outbound(&self) -> bool { self.get_channel_parameters().is_outbound_from_holder }
/// Funding outpoint
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn funding_outpoint(&self) -> &OutPoint { self.get_channel_parameters().funding_outpoint.as_ref().unwrap() }
/// Returns a [`ChannelTransactionParameters`] for this channel, to be used when verifying or
/// building transactions.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn get_channel_parameters(&self) -> &ChannelTransactionParameters {
self.channel_parameters.as_ref().unwrap()
}
/// Returns whether anchors should be used.
///
- /// Will panic if [`BaseSign::provide_channel_parameters`] has not been called before.
+ /// Will panic if [`EcdsaChannelSigner::provide_channel_parameters`] has not been called before.
pub fn opt_anchors(&self) -> bool {
self.get_channel_parameters().opt_anchors.is_some()
}
}
}
-impl BaseSign for InMemorySigner {
+impl EcdsaChannelSigner for InMemorySigner {
fn get_per_commitment_point(&self, idx: u64, secp_ctx: &Secp256k1<secp256k1::All>) -> PublicKey {
let commitment_secret = SecretKey::from_slice(&chan_utils::build_commitment_secret(&self.commitment_seed, idx)).unwrap();
PublicKey::from_secret_key(secp_ctx, &commitment_secret)
}
}
-// Ensure that BaseSign can have a vtable
+// Ensure that EcdsaChannelSigner can have a vtable
#[test]
pub fn dyn_sign() {
- let _signer: Box<dyn BaseSign>;
+ let _signer: Box<dyn EcdsaChannelSigner>;
}
projects / rust-lightning / blobdiff