Struct DelayedPaymentKey

pub struct DelayedPaymentKey(pub PublicKey);

A derived key built from a DelayedPaymentBasepoint and per_commitment_point.

The delayed payment key is used to pay the commitment state broadcaster their non-HTLC-encumbered funds after a delay. This delay gives their counterparty a chance to punish and claim all the channel funds if the state broadcasted was previously revoked.

[See the BOLT specs] https://github.com/lightning/bolts/blob/master/03-transactions.md#localpubkey-local_htlcpubkey-remote_htlcpubkey-local_delayedpubkey-and-remote_delayedpubkey-derivation for more information on key derivation details.

Tuple Fields

0: PublicKey

Implementations

impl DelayedPaymentKey

pub fn from_basepoint<T: Signing>( secp_ctx: &Secp256k1<T>, countersignatory_basepoint: &DelayedPaymentBasepoint, per_commitment_point: &PublicKey, ) -> Self

Derive a public delayedpubkey using one node’s per_commitment_point and its countersignatory’s basepoint

pub fn from_secret_key<T: Signing>( secp_ctx: &Secp256k1<T>, sk: &SecretKey, ) -> Self

Build a delayedpubkey directly from an already-derived private key

pub fn to_public_key(&self) -> PublicKey

Get inner Public Key

Trait Implementations

impl Clone for DelayedPaymentKey

fn clone(&self) -> DelayedPaymentKey

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DelayedPaymentKey

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for DelayedPaymentKey

fn eq(&self, other: &DelayedPaymentKey) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Readable for DelayedPaymentKey

fn read<R: Read>(r: &mut R) -> Result<Self, DecodeError>

Reads a Self in from the given Read.

impl Writeable for DelayedPaymentKey

fn write<W: Writer>(&self, w: &mut W) -> Result<(), Error>

Writes self out to the given Writer.

fn encode(&self) -> Vec<u8>

Writes self out to a Vec<u8>.

fn serialized_length(&self) -> usize

Gets the length of this object after it has been serialized. This can be overridden to optimize cases where we prepend an object with its length.

impl Copy for DelayedPaymentKey

impl Eq for DelayedPaymentKey

impl StructuralPartialEq for DelayedPaymentKey