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Change premium calculation formula to linear pricing #116

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merged 1 commit into from
Jul 19, 2024
Merged

Change premium calculation formula to linear pricing #116

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9 changes: 3 additions & 6 deletions src/azns_fee_calculator/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -104,10 +104,7 @@ mod azns_fee_calculator {
.get(name.len() as Length)
.unwrap_or(self.common_price);

let mut premium = 0;
for year in 2..=duration {
premium += (year as u128) * base_price;
}
let premium = (duration as u128 - 1) * base_price;

Ok((base_price, premium))
}
Expand Down Expand Up @@ -228,13 +225,13 @@ mod azns_fee_calculator {
// Duration: 2
assert_eq!(
contract.get_name_price(name.clone(), 2),
Ok((6_u128 * 10_u128.pow(12), 12_u128 * 10_u128.pow(12)))
Ok((6_u128 * 10_u128.pow(12), 6_u128 * 10_u128.pow(12)))
);

// Duration: 3
assert_eq!(
contract.get_name_price(name.clone(), 3),
Ok((6_u128 * 10_u128.pow(12), 30_u128 * 10_u128.pow(12)))
Ok((6_u128 * 10_u128.pow(12), 12_u128 * 10_u128.pow(12)))
);

// Duration: 4
Expand Down
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