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Simplify Memo::to_utf8 implementation

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Jack Grigg 2019-06-06 10:50:33 +01:00
parent 6846ac5f9e
commit 9d80be62f9
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1 changed files with 4 additions and 6 deletions
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10
zcash_primitives/src/note_encryption.rs
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@ -123,13 +123,11 @@ impl Memo {
pub fn to_utf8(&self) -> Option<Result<String, str::Utf8Error>> {
// Check if it is a text or binary memo
if self.0[0] < 0xF5 {
// Drop trailing zeroes
let mut data = &self.0[..];
while let Some((0, next)) = data.split_last() {
data = next;
}
// Check if it is valid UTF8
Some(str::from_utf8(data).map(|memo| memo.to_owned()))
Some(str::from_utf8(&self.0).map(|memo| {
// Drop trailing zeroes
memo.trim_end_matches(char::from(0)).to_owned()
}))
} else {
None
}