Skip to content

Fix overflow in invoice amount setter. #3039

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 6, 2024
Merged

Fix overflow in invoice amount setter. #3039

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 7 additions & 1 deletion lightning-invoice/src/lib.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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)
Expand Down
Loading