X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning-invoice%2Fsrc%2Flib.rs;h=f53c8953b47c66b9344d86a928d9e834790989f7;hb=71af4a2d1553950adadcb3c4e69446f4d276a62c;hp=f1d3d973acf00e3ebbb0fa4e5d376b2f3c59c56c;hpb=ef8e3770a96da083b5663c57a09cc5b0efce5df3;p=rust-lightning

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index f1d3d973..f53c8953 100644
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -394,6 +394,29 @@ pub enum Currency {
 	Signet,
 }
 
+impl From<Network> for Currency {
+	fn from(network: Network) -> Self {
+		match network {
+			Network::Bitcoin => Currency::Bitcoin,
+			Network::Testnet => Currency::BitcoinTestnet,
+			Network::Regtest => Currency::Regtest,
+			Network::Signet => Currency::Signet,
+		}
+	}
+}
+
+impl From<Currency> for Network {
+	fn from(currency: Currency) -> Self {
+		match currency {
+			Currency::Bitcoin => Network::Bitcoin,
+			Currency::BitcoinTestnet => Network::Testnet,
+			Currency::Regtest => Network::Regtest,
+			Currency::Simnet => Network::Regtest,
+			Currency::Signet => Network::Signet,
+		}
+	}
+}
+
 /// Tagged field which may have an unknown tag
 ///
 /// This is not exported to bindings users as we don't currently support TaggedField
@@ -432,6 +455,15 @@ pub enum TaggedField {
 pub struct Sha256(/// This is not exported to bindings users as the native hash types are not currently mapped
 	pub sha256::Hash);
 
+impl Sha256 {
+	/// Constructs a new [`Sha256`] from the given bytes, which are assumed to be the output of a
+	/// single sha256 hash.
+	#[cfg(c_bindings)]
+	pub fn from_bytes(bytes: &[u8; 32]) -> Self {
+		Self(sha256::Hash::from_slice(bytes).expect("from_slice only fails if len is not 32"))
+	}
+}
+
 /// Description string
 ///
 /// # Invariants
@@ -1368,14 +1400,6 @@ impl Invoice {
 	/// Returns a list of all fallback addresses as [`Address`]es
 	pub fn fallback_addresses(&self) -> Vec<Address> {
 		self.fallbacks().iter().map(|fallback| {
-			let network = match self.currency() {
-				Currency::Bitcoin => Network::Bitcoin,
-				Currency::BitcoinTestnet => Network::Testnet,
-				Currency::Regtest => Network::Regtest,
-				Currency::Simnet => Network::Regtest,
-				Currency::Signet => Network::Signet,
-			};
-
 			let payload = match fallback {
 				Fallback::SegWitProgram { version, program } => {
 					Payload::WitnessProgram { version: *version, program: program.to_vec() }
@@ -1388,7 +1412,7 @@ impl Invoice {
 				}
 			};
 
-			Address { payload, network }
+			Address { payload, network: self.network() }
 		}).collect()
 	}
 
@@ -1409,6 +1433,13 @@ impl Invoice {
 		self.signed_invoice.currency()
 	}
 
+	/// Returns the network for which the invoice was issued
+	///
+	/// This is not exported to bindings users, see [`Self::currency`] instead.
+	pub fn network(&self) -> Network {
+		self.signed_invoice.currency().into()
+	}
+
 	/// Returns the amount if specified in the invoice as millisatoshis.
 	pub fn amount_milli_satoshis(&self) -> Option<u64> {
 		self.signed_invoice.amount_pico_btc().map(|v| v / 10)
@@ -1694,7 +1725,7 @@ impl<'de> Deserialize<'de> for Invoice {
 	fn deserialize<D>(deserializer: D) -> Result<Invoice, D::Error> where D: Deserializer<'de> {
 		let bolt11 = String::deserialize(deserializer)?
 			.parse::<Invoice>()
-			.map_err(|e| D::Error::custom(format!("{:?}", e)))?;
+			.map_err(|e| D::Error::custom(format_args!("{:?}", e)))?;
 
 		Ok(bolt11)
 	}