parent
ba688cf629
commit
bc09365c98
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@ -28,7 +28,9 @@ pub struct FeeCalculator {
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pub const DEFAULT_TARGET_LAMPORTS_PER_SIGNATURE: u64 = 10_000;
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pub const DEFAULT_TARGET_SIGNATURES_PER_SLOT: usize =
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50_000 * DEFAULT_TICKS_PER_SLOT as usize / DEFAULT_TICKS_PER_SECOND as usize;
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pub const DEFAULT_BURN_PERCENT: u8 = ((50usize * std::u8::MAX as usize) / 100usize) as u8;
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// Percentage of tx fees to burn
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pub const DEFAULT_BURN_PERCENT: u8 = 50;
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impl Default for FeeCalculator {
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fn default() -> Self {
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@ -123,8 +125,8 @@ impl FeeCalculator {
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/// calculate unburned fee from a fee total, returns (unburned, burned)
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pub fn burn(&self, fees: u64) -> (u64, u64) {
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let unburned = fees * u64::from(std::u8::MAX - self.burn_percent) / u64::from(std::u8::MAX);
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(unburned, fees - unburned)
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let burned = fees * u64::from(self.burn_percent) / 100;
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(fees - burned, burned)
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}
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}
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@ -137,13 +139,12 @@ mod tests {
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#[test]
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fn test_fee_calculator_burn() {
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let mut fee_calculator = FeeCalculator::default();
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assert_eq!(fee_calculator.burn(2), (1, 1));
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fee_calculator.burn_percent = 0;
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assert_eq!(fee_calculator.burn(2), (2, 0));
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fee_calculator.burn_percent = std::u8::MAX;
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fee_calculator.burn_percent = 100;
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assert_eq!(fee_calculator.burn(2), (0, 2));
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}
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