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@ -745,6 +745,7 @@ impl fmt::Display for ScriptStatus {
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#[cfg(test)]
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mod tests {
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use super::*;
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use proptest::prelude::*;
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#[test]
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fn given_depth_0_should_meet_confirmation_target_one() {
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@ -821,7 +822,7 @@ mod tests {
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let relay_fee = bitcoin::Amount::ONE_SAT;
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let is_fee = estimate_fee(weight, amount, fee_rate, relay_fee);
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// weight / 4.0 * sat_per_vb would be greater than 0.03% hence we take max
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// weight / 4.0 * sat_per_vb would be greater than 3% hence we take max
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// relative fee.
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let should_fee = bitcoin::Amount::from_sat(30_000);
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assert_eq!(is_fee, should_fee);
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@ -840,9 +841,65 @@ mod tests {
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let relay_fee = bitcoin::Amount::ONE_SAT;
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let is_fee = estimate_fee(weight, amount, fee_rate, relay_fee);
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// weight / 4.0 * sat_per_vb would be greater than 0.03% hence we take total
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// weight / 4.0 * sat_per_vb would be greater than 3% hence we take total
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// max allowed fee.
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let should_fee = bitcoin::Amount::from_sat(MAX_ABSOLUTE_TX_FEE);
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assert_eq!(is_fee, should_fee);
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}
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proptest! {
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#[test]
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fn given_randon_amount_random_fee_and_random_relay_rate_but_fix_weight_does_not_panic(
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amount in prop::num::u64::ANY,
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sat_per_vb in prop::num::f32::POSITIVE,
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relay_fee in prop::num::u64::ANY
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) {
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let weight = 400;
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let amount = bitcoin::Amount::from_sat(amount);
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let fee_rate = FeeRate::from_sat_per_vb(sat_per_vb);
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let relay_fee = bitcoin::Amount::from_sat(relay_fee);
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let _is_fee = estimate_fee(weight, amount, fee_rate, relay_fee);
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}
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}
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proptest! {
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#[test]
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fn given_amount_in_range_fix_fee_fix_relay_rate_fix_weight_fee_always_smaller_max(
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amount in 0u64..100_000_000,
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) {
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let weight = 400;
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let amount = bitcoin::Amount::from_sat(amount);
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let sat_per_vb = 100.0;
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let fee_rate = FeeRate::from_sat_per_vb(sat_per_vb);
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let relay_fee = bitcoin::Amount::ONE_SAT;
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let is_fee = estimate_fee(weight, amount, fee_rate, relay_fee);
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// weight / 4 * 1_000 is always lower than MAX_ABSOLUTE_TX_FEE
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assert!(is_fee.as_sat() < MAX_ABSOLUTE_TX_FEE);
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}
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}
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proptest! {
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#[test]
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fn given_amount_high_fix_fee_fix_relay_rate_fix_weight_fee_always_max(
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amount in 100_000_000u64..,
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) {
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let weight = 400;
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let amount = bitcoin::Amount::from_sat(amount);
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let sat_per_vb = 1_000.0;
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let fee_rate = FeeRate::from_sat_per_vb(sat_per_vb);
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let relay_fee = bitcoin::Amount::ONE_SAT;
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let is_fee = estimate_fee(weight, amount, fee_rate, relay_fee);
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// weight / 4 * 1_000 is always higher than MAX_ABSOLUTE_TX_FEE
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assert!(is_fee.as_sat() >= MAX_ABSOLUTE_TX_FEE);
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}
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}
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}
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Philipp Hoenisch
3 years ago