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use message::types;
#[derive(Debug, Default)]
pub struct FeeRateFilter {
fee_rate: u64,
}
impl FeeRateFilter {
pub fn set_min_fee_rate(&mut self, message: types::FeeFilter) {
self.fee_rate = message.fee_rate;
}
pub fn filter_transaction(&self, tx_fee_rate: Option<u64>) -> bool {
tx_fee_rate
.map(|tx_fee_rate| tx_fee_rate >= self.fee_rate)
.unwrap_or(true)
}
}
#[cfg(test)]
mod tests {
use message::types;
use super::FeeRateFilter;
#[test]
fn fee_rate_filter_empty() {
assert!(FeeRateFilter::default().filter_transaction(Some(0)));
assert!(FeeRateFilter::default().filter_transaction(None));
}
#[test]
fn fee_rate_filter_accepts() {
let mut filter = FeeRateFilter::default();
filter.set_min_fee_rate(types::FeeFilter::with_fee_rate(1000));
assert!(filter.filter_transaction(Some(1000)));
assert!(filter.filter_transaction(Some(2000)));
}
#[test]
fn fee_rate_filter_rejects() {
let mut filter = FeeRateFilter::default();
filter.set_min_fee_rate(types::FeeFilter::with_fee_rate(1000));
assert!(!filter.filter_transaction(Some(500)));
}
}