//! [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
//! [`Offer`]: crate::offers::offer::Offer
//!
+//! # Example
+//!
//! ```
//! extern crate bitcoin;
//! extern crate core;
//! # Ok(())
//! # }
//! ```
+//!
+//! # Note
+//!
+//! If constructing a [`Refund`] for use with a [`ChannelManager`], use
+//! [`ChannelManager::create_refund_builder`] instead of [`RefundBuilder::new`].
+//!
+//! [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+//! [`ChannelManager::create_refund_builder`]: crate::ln::channelmanager::ChannelManager::create_refund_builder
use bitcoin::blockdata::constants::ChainHash;
use bitcoin::network::constants::Network;
///
/// Additionally, sets the required [`Refund::description`], [`Refund::payer_metadata`], and
/// [`Refund::amount_msats`].
+ ///
+ /// # Note
+ ///
+ /// If constructing a [`Refund`] for use with a [`ChannelManager`], use
+ /// [`ChannelManager::create_refund_builder`] instead of [`RefundBuilder::new`].
+ ///
+ /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
+ /// [`ChannelManager::create_refund_builder`]: crate::ln::channelmanager::ChannelManager::create_refund_builder
pub fn new(
description: String, metadata: Vec<u8>, payer_id: PublicKey, amount_msats: u64
) -> Result<Self, Bolt12SemanticError> {
/// called, [`Network::Bitcoin`] is assumed.
///
/// Successive calls to this method will override the previous setting.
- pub fn chain(mut self, network: Network) -> Self {
- self.refund.chain = Some(ChainHash::using_genesis_block(network));
+ pub fn chain(self, network: Network) -> Self {
+ self.chain_hash(ChainHash::using_genesis_block(network))
+ }
+
+ /// Sets the [`Refund::chain`] of the given [`ChainHash`] for paying an invoice. If not called,
+ /// [`Network::Bitcoin`] is assumed.
+ ///
+ /// Successive calls to this method will override the previous setting.
+ pub(crate) fn chain_hash(mut self, chain: ChainHash) -> Self {
+ self.refund.chain = Some(chain);
self
}
self.contents.is_expired()
}
+ /// Whether the refund has expired given the duration since the Unix epoch.
+ pub fn is_expired_no_std(&self, duration_since_epoch: Duration) -> bool {
+ self.contents.is_expired_no_std(duration_since_epoch)
+ }
+
/// The issuer of the refund, possibly beginning with `user@domain` or `domain`. Intended to be
/// displayed to the user but with the caveat that it has not been verified in any way.
pub fn issuer(&self) -> Option<PrintableString> {
#[cfg(feature = "std")]
pub(super) fn is_expired(&self) -> bool {
- match self.absolute_expiry {
- Some(seconds_from_epoch) => match SystemTime::UNIX_EPOCH.elapsed() {
- Ok(elapsed) => elapsed > seconds_from_epoch,
- Err(_) => false,
- },
- None => false,
- }
+ SystemTime::UNIX_EPOCH
+ .elapsed()
+ .map(|duration_since_epoch| self.is_expired_no_std(duration_since_epoch))
+ .unwrap_or(false)
+ }
+
+ pub(super) fn is_expired_no_std(&self, duration_since_epoch: Duration) -> bool {
+ self.absolute_expiry
+ .map(|absolute_expiry| duration_since_epoch > absolute_expiry)
+ .unwrap_or(false)
}
pub fn issuer(&self) -> Option<PrintableString> {
fn builds_refund_with_absolute_expiry() {
let future_expiry = Duration::from_secs(u64::max_value());
let past_expiry = Duration::from_secs(0);
+ let now = future_expiry - Duration::from_secs(1_000);
let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
.absolute_expiry(future_expiry)
let (_, tlv_stream, _) = refund.as_tlv_stream();
#[cfg(feature = "std")]
assert!(!refund.is_expired());
+ assert!(!refund.is_expired_no_std(now));
assert_eq!(refund.absolute_expiry(), Some(future_expiry));
assert_eq!(tlv_stream.absolute_expiry, Some(future_expiry.as_secs()));
let (_, tlv_stream, _) = refund.as_tlv_stream();
#[cfg(feature = "std")]
assert!(refund.is_expired());
+ assert!(refund.is_expired_no_std(now));
assert_eq!(refund.absolute_expiry(), Some(past_expiry));
assert_eq!(tlv_stream.absolute_expiry, Some(past_expiry.as_secs()));
}