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Fix Monero's Extra::fee_weight and handling of data limits

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This commit is contained in:
Luke Parker
2023-03-26 03:43:51 -04:00
parent c182b804bc
commit 534e1bb11d
3 changed files with 20 additions and 11 deletions
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13
coins/monero/src/wallet/extra.rs
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@@ -172,15 +172,20 @@ impl Extra {
}
#[rustfmt::skip]
pub(crate) fn fee_weight(outputs: usize, payment_id: bool, data: &[Vec<u8>]) -> usize {
pub(crate) fn fee_weight(
outputs: usize,
additional: bool,
payment_id: bool,
data: &[Vec<u8>]
) -> usize {
// PublicKey, key
(1 + 32) +
// PublicKeys, length, additional keys
(1 + 1 + (outputs.saturating_sub(1) * 32)) +
(if additional { 1 + 1 + (outputs * 32) } else { 0 }) +
// PaymentId (Nonce), length, encrypted, ID
(if payment_id { 1 + 1 + 1 + 8 } else { 0 }) +
// Nonce, length, data (if existent)
data.iter().map(|v| 1 + varint_len(v.len()) + v.len()).sum::<usize>()
// Nonce, length, ARBITRARY_DATA_MARKER, data
data.iter().map(|v| 1 + varint_len(1 + v.len()) + 1 + v.len()).sum::<usize>()
}
pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {