`rustfmt`: `lightning-transaction-sync/tests/integration_tests.rs`
[rust-lightning] / lightning-invoice / src / lib.rs
index 920d44b1561dbf12f8afdc1e3e5105eb8a5aefef..e427bf3ccb99965a4ba50d8609c3dad186cf3658 100644 (file)
@@ -42,8 +42,8 @@ extern crate serde;
 use std::time::SystemTime;
 
 use bech32::u5;
-use bitcoin::{Address, Network, PubkeyHash, ScriptHash};
-use bitcoin::address::{Payload, WitnessProgram, WitnessVersion};
+use bitcoin::{Address, Network, PubkeyHash, ScriptHash, WitnessProgram, WitnessVersion};
+use bitcoin::address::Payload;
 use bitcoin::hashes::{Hash, sha256};
 use lightning::ln::features::Bolt11InvoiceFeatures;
 use lightning::util::invoice::construct_invoice_preimage;
@@ -577,7 +577,13 @@ impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Boo
 
        /// Sets the amount in millisatoshis. The optimal SI prefix is chosen automatically.
        pub fn amount_milli_satoshis(mut self, amount_msat: u64) -> Self {
-               let amount = amount_msat * 10; // Invoices are denominated in "pico BTC"
+               let amount = match amount_msat.checked_mul(10) { // Invoices are denominated in "pico BTC"
+                       Some(amt) => amt,
+                       None => {
+                               self.error = Some(CreationError::InvalidAmount);
+                               return self
+                       }
+               };
                let biggest_possible_si_prefix = SiPrefix::values_desc()
                        .iter()
                        .find(|prefix| amount % prefix.multiplier() == 0)
@@ -872,8 +878,7 @@ impl SignedRawBolt11Invoice {
 
        /// Recovers the public key used for signing the invoice from the recoverable signature.
        pub fn recover_payee_pub_key(&self) -> Result<PayeePubKey, secp256k1::Error> {
-               let hash = Message::from_slice(&self.hash[..])
-                       .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+               let hash = Message::from_digest(self.hash);
 
                Ok(PayeePubKey(Secp256k1::new().recover_ecdsa(
                        &hash,
@@ -898,8 +903,7 @@ impl SignedRawBolt11Invoice {
                let pub_key = included_pub_key.or(recovered_pub_key.as_ref())
                        .expect("One is always present");
 
-               let hash = Message::from_slice(&self.hash[..])
-                       .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+               let hash = Message::from_digest(self.hash);
 
                let secp_context = Secp256k1::new();
                let verification_result = secp_context.verify_ecdsa(
@@ -993,8 +997,7 @@ impl RawBolt11Invoice {
                where F: FnOnce(&Message) -> Result<RecoverableSignature, E>
        {
                let raw_hash = self.signable_hash();
-               let hash = Message::from_slice(&raw_hash[..])
-                       .expect("Hash is 32 bytes long, same as MESSAGE_SIZE");
+               let hash = Message::from_digest(raw_hash);
                let signature = sign_method(&hash)?;
 
                Ok(SignedRawBolt11Invoice {