pub fn payer_note(&self) -> Option<PrintableString> {
self.contents.payer_note.as_ref().map(|payer_note| PrintableString(payer_note.as_str()))
}
+
+ #[cfg(test)]
+ fn as_tlv_stream(&self) -> RefundTlvStreamRef {
+ self.contents.as_tlv_stream()
+ }
}
impl AsRef<[u8]> for Refund {
self.fmt_bech32_str(f)
}
}
+
+#[cfg(test)]
+mod tests {
+ use super::{Refund, RefundBuilder};
+
+ use bitcoin::blockdata::constants::ChainHash;
+ use bitcoin::network::constants::Network;
+ use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, SecretKey};
+ use core::convert::TryFrom;
+ use core::time::Duration;
+ use crate::ln::features::InvoiceRequestFeatures;
+ use crate::ln::msgs::MAX_VALUE_MSAT;
+ use crate::offers::invoice_request::InvoiceRequestTlvStreamRef;
+ use crate::offers::offer::OfferTlvStreamRef;
+ use crate::offers::parse::SemanticError;
+ use crate::offers::payer::PayerTlvStreamRef;
+ use crate::onion_message::{BlindedHop, BlindedPath};
+ use crate::util::ser::Writeable;
+ use crate::util::string::PrintableString;
+
+ fn payer_pubkey() -> PublicKey {
+ let secp_ctx = Secp256k1::new();
+ KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap()).public_key()
+ }
+
+ fn pubkey(byte: u8) -> PublicKey {
+ let secp_ctx = Secp256k1::new();
+ PublicKey::from_secret_key(&secp_ctx, &privkey(byte))
+ }
+
+ fn privkey(byte: u8) -> SecretKey {
+ SecretKey::from_slice(&[byte; 32]).unwrap()
+ }
+
+ #[test]
+ fn builds_refund_with_defaults() {
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .build().unwrap();
+
+ let mut buffer = Vec::new();
+ refund.write(&mut buffer).unwrap();
+
+ assert_eq!(refund.bytes, buffer.as_slice());
+ assert_eq!(refund.metadata(), &[1; 32]);
+ assert_eq!(refund.description(), PrintableString("foo"));
+ assert_eq!(refund.absolute_expiry(), None);
+ #[cfg(feature = "std")]
+ assert!(!refund.is_expired());
+ assert_eq!(refund.paths(), &[]);
+ assert_eq!(refund.issuer(), None);
+ assert_eq!(refund.chain(), ChainHash::using_genesis_block(Network::Bitcoin));
+ assert_eq!(refund.amount_msats(), 1000);
+ assert_eq!(refund.features(), &InvoiceRequestFeatures::empty());
+ assert_eq!(refund.payer_id(), payer_pubkey());
+ assert_eq!(refund.payer_note(), None);
+
+ assert_eq!(
+ refund.as_tlv_stream(),
+ (
+ PayerTlvStreamRef { metadata: Some(&vec![1; 32]) },
+ OfferTlvStreamRef {
+ chains: None,
+ metadata: None,
+ currency: None,
+ amount: None,
+ description: Some(&String::from("foo")),
+ features: None,
+ absolute_expiry: None,
+ paths: None,
+ issuer: None,
+ quantity_max: None,
+ node_id: None,
+ },
+ InvoiceRequestTlvStreamRef {
+ chain: None,
+ amount: Some(1000),
+ features: None,
+ quantity: None,
+ payer_id: Some(&payer_pubkey()),
+ payer_note: None,
+ },
+ ),
+ );
+
+ if let Err(e) = Refund::try_from(buffer) {
+ panic!("error parsing refund: {:?}", e);
+ }
+ }
+
+ #[test]
+ fn fails_building_refund_with_invalid_amount() {
+ match RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), MAX_VALUE_MSAT + 1) {
+ Ok(_) => panic!("expected error"),
+ Err(e) => assert_eq!(e, SemanticError::InvalidAmount),
+ }
+ }
+
+ #[test]
+ fn builds_refund_with_absolute_expiry() {
+ let future_expiry = Duration::from_secs(u64::max_value());
+ let past_expiry = Duration::from_secs(0);
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .absolute_expiry(future_expiry)
+ .build()
+ .unwrap();
+ let (_, tlv_stream, _) = refund.as_tlv_stream();
+ #[cfg(feature = "std")]
+ assert!(!refund.is_expired());
+ assert_eq!(refund.absolute_expiry(), Some(future_expiry));
+ assert_eq!(tlv_stream.absolute_expiry, Some(future_expiry.as_secs()));
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .absolute_expiry(future_expiry)
+ .absolute_expiry(past_expiry)
+ .build()
+ .unwrap();
+ let (_, tlv_stream, _) = refund.as_tlv_stream();
+ #[cfg(feature = "std")]
+ assert!(refund.is_expired());
+ assert_eq!(refund.absolute_expiry(), Some(past_expiry));
+ assert_eq!(tlv_stream.absolute_expiry, Some(past_expiry.as_secs()));
+ }
+
+ #[test]
+ fn builds_refund_with_paths() {
+ let paths = vec![
+ BlindedPath {
+ introduction_node_id: pubkey(40),
+ blinding_point: pubkey(41),
+ blinded_hops: vec![
+ BlindedHop { blinded_node_id: pubkey(43), encrypted_payload: vec![0; 43] },
+ BlindedHop { blinded_node_id: pubkey(44), encrypted_payload: vec![0; 44] },
+ ],
+ },
+ BlindedPath {
+ introduction_node_id: pubkey(40),
+ blinding_point: pubkey(41),
+ blinded_hops: vec![
+ BlindedHop { blinded_node_id: pubkey(45), encrypted_payload: vec![0; 45] },
+ BlindedHop { blinded_node_id: pubkey(46), encrypted_payload: vec![0; 46] },
+ ],
+ },
+ ];
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .path(paths[0].clone())
+ .path(paths[1].clone())
+ .build()
+ .unwrap();
+ let (_, offer_tlv_stream, invoice_request_tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.paths(), paths.as_slice());
+ assert_eq!(refund.payer_id(), pubkey(42));
+ assert_ne!(pubkey(42), pubkey(44));
+ assert_eq!(offer_tlv_stream.paths, Some(&paths));
+ assert_eq!(invoice_request_tlv_stream.payer_id, Some(&pubkey(42)));
+ }
+
+ #[test]
+ fn builds_refund_with_issuer() {
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .issuer("bar".into())
+ .build()
+ .unwrap();
+ let (_, tlv_stream, _) = refund.as_tlv_stream();
+ assert_eq!(refund.issuer(), Some(PrintableString("bar")));
+ assert_eq!(tlv_stream.issuer, Some(&String::from("bar")));
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .issuer("bar".into())
+ .issuer("baz".into())
+ .build()
+ .unwrap();
+ let (_, tlv_stream, _) = refund.as_tlv_stream();
+ assert_eq!(refund.issuer(), Some(PrintableString("baz")));
+ assert_eq!(tlv_stream.issuer, Some(&String::from("baz")));
+ }
+
+ #[test]
+ fn builds_refund_with_chain() {
+ let mainnet = ChainHash::using_genesis_block(Network::Bitcoin);
+ let testnet = ChainHash::using_genesis_block(Network::Testnet);
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .chain(Network::Bitcoin)
+ .build().unwrap();
+ let (_, _, tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.chain(), mainnet);
+ assert_eq!(tlv_stream.chain, None);
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .chain(Network::Testnet)
+ .build().unwrap();
+ let (_, _, tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.chain(), testnet);
+ assert_eq!(tlv_stream.chain, Some(&testnet));
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .chain(Network::Regtest)
+ .chain(Network::Testnet)
+ .build().unwrap();
+ let (_, _, tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.chain(), testnet);
+ assert_eq!(tlv_stream.chain, Some(&testnet));
+ }
+
+ #[test]
+ fn builds_refund_with_payer_note() {
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .payer_note("bar".into())
+ .build().unwrap();
+ let (_, _, tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.payer_note(), Some(PrintableString("bar")));
+ assert_eq!(tlv_stream.payer_note, Some(&String::from("bar")));
+
+ let refund = RefundBuilder::new("foo".into(), vec![1; 32], payer_pubkey(), 1000).unwrap()
+ .payer_note("bar".into())
+ .payer_note("baz".into())
+ .build().unwrap();
+ let (_, _, tlv_stream) = refund.as_tlv_stream();
+ assert_eq!(refund.payer_note(), Some(PrintableString("baz")));
+ assert_eq!(tlv_stream.payer_note, Some(&String::from("baz")));
+ }
+}
projects / rust-lightning / commitdiff