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fix: overflow in calculate_next_target to match Bitcoin Core #24

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Merged
merged 1 commit into from
Nov 5, 2024
Merged

fix: overflow in calculate_next_target to match Bitcoin Core #24

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6 changes: 3 additions & 3 deletions verifier/src/utilities/bitcoin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -20,16 +20,16 @@ pub fn calculate_next_target(
end_time: u32,
flags: u8,
) -> Target {
let expected = DIFFCHANGE_TIMESPAN;
let expected = DIFFCHANGE_TIMESPAN as i64;
let actual = {
let mut actual = end_time - start_time;
let mut actual = (end_time as i64) - (start_time as i64);
if actual < expected / 4 {
actual = expected / 4;
}
if actual > expected * 4 {
actual = expected * 4;
}
actual
actual as u32
};

let le_bytes = {
Expand Down