///
/// The `final_cltv_expiry_delta` should match the expected final CLTV delta the recipient has
/// provided.
- pub fn for_keysend(payee_pubkey: PublicKey, final_cltv_expiry_delta: u32) -> Self {
- Self::from_node_id(payee_pubkey, final_cltv_expiry_delta).with_bolt11_features(InvoiceFeatures::for_keysend()).expect("PaymentParameters::from_node_id should always initialize the payee as unblinded")
+ ///
+ /// Note that MPP keysend is not widely supported yet. The `allow_mpp` lets you choose
+ /// whether your router will be allowed to find a multi-part route for this payment. If you
+ /// set `allow_mpp` to true, you should ensure a payment secret is set on send, likely via
+ /// [`RecipientOnionFields::secret_only`].
+ ///
+ /// [`RecipientOnionFields::secret_only`]: crate::ln::channelmanager::RecipientOnionFields::secret_only
+ pub fn for_keysend(payee_pubkey: PublicKey, final_cltv_expiry_delta: u32, allow_mpp: bool) -> Self {
+ Self::from_node_id(payee_pubkey, final_cltv_expiry_delta)
+ .with_bolt11_features(InvoiceFeatures::for_keysend(allow_mpp))
+ .expect("PaymentParameters::from_node_id should always initialize the payee as unblinded")
}
/// Includes the payee's features. Errors if the parameters were initialized with blinded payment
fn htlc_minimum_msat(&self) -> u64 {
match self {
- CandidateRouteHop::FirstHop { .. } => 0,
+ CandidateRouteHop::FirstHop { details } => details.next_outbound_htlc_minimum_msat,
CandidateRouteHop::PublicHop { info, .. } => info.direction().htlc_minimum_msat,
CandidateRouteHop::PrivateHop { hint } => hint.htlc_minimum_msat.unwrap_or(0),
}
balance_msat: 0,
outbound_capacity_msat,
next_outbound_htlc_limit_msat: outbound_capacity_msat,
+ next_outbound_htlc_minimum_msat: 0,
inbound_capacity_msat: 42,
unspendable_punishment_reserve: None,
confirmations_required: None,
user_channel_id: 0,
balance_msat: 10_000_000_000,
outbound_capacity_msat: 10_000_000_000,
+ next_outbound_htlc_minimum_msat: 0,
next_outbound_htlc_limit_msat: 10_000_000_000,
inbound_capacity_msat: 0,
unspendable_punishment_reserve: None,