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Invoice utils: allow to set both description hash and payment hash

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Elias Rohrer 2024-10-16 17:04:38 +02:00
parent 6004ee55bc
commit 43fd78b0b9
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34
lightning/src/ln/invoice_utils.rs
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@ -490,6 +490,40 @@ where
invoice_expiry_delta_secs, payment_hash, payment_secret, min_final_cltv_expiry_delta)
}
/// See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
/// This version allows for providing custom [`PaymentHash`] and description hash for the invoice.
///
/// This may be useful if you're building an on-chain swap or involving another protocol where
/// the payment hash is also involved outside the scope of lightning and want to set the
/// description hash.
pub fn create_invoice_from_channelmanager_with_description_hash_and_duration_since_epoch_with_payment_hash<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, MR: Deref, L: Deref>(
channelmanager: &ChannelManager<M, T, ES, NS, SP, F, R, MR, L>, node_signer: NS, logger: L,
network: Currency, amt_msat: Option<u64>, description_hash: Sha256, duration_since_epoch: Duration,
invoice_expiry_delta_secs: u32, payment_hash: PaymentHash, min_final_cltv_expiry_delta: Option<u16>,
) -> Result<Bolt11Invoice, SignOrCreationError<()>>
where
M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
T::Target: BroadcasterInterface,
ES::Target: EntropySource,
NS::Target: NodeSigner,
SP::Target: SignerProvider,
F::Target: FeeEstimator,
R::Target: Router,
MR::Target: MessageRouter,
L::Target: Logger,
{
let payment_secret = channelmanager
.create_inbound_payment_for_hash(payment_hash, amt_msat, invoice_expiry_delta_secs,
min_final_cltv_expiry_delta)
.map_err(|()| SignOrCreationError::CreationError(CreationError::InvalidAmount))?;
_create_invoice_from_channelmanager_and_duration_since_epoch_with_payment_hash(
channelmanager, node_signer, logger, network, amt_msat,
Bolt11InvoiceDescription::Hash(&description_hash),
duration_since_epoch, invoice_expiry_delta_secs, payment_hash, payment_secret,
min_final_cltv_expiry_delta,
)
}
/// See [`create_invoice_from_channelmanager_and_duration_since_epoch`]
/// This version allows for providing a custom [`PaymentHash`] for the invoice.
/// This may be useful if you're building an on-chain swap or involving another protocol where