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util/parse/truncate: Don't reallocate amount vec in for loop.

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parazyd
2021-10-17 10:37:01 +02:00
parent 043bb61f78
commit b399d54ff2
1 changed files with 5 additions and 7 deletions
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12
src/util/parse.rs
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@@ -60,7 +60,7 @@ pub fn assign_id(network: &str, token: &str, _tokenlist: &SolTokenList) -> Resul
NetworkName::Bitcoin => {
let id = "1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa".to_string();
Ok(id)
},
}
_ => Err(Error::NotSupportedNetwork),
}
}
@@ -168,9 +168,7 @@ pub fn truncate(amount: u64, decimals: u16, token_decimals: u16) -> Result<u64>
}
if token_decimals < decimals {
for _ in 0..(decimals - token_decimals) {
amount.push('0');
}
amount.resize(amount.len() + (decimals - token_decimals) as usize, '0');
}
let amount = u64::from_str(&String::from_iter(amount))?;
@@ -225,10 +223,10 @@ mod tests {
assert_eq!(00000000, truncate(0, 8, 0).unwrap());
assert_eq!(100000000, truncate(1, 8, 0).unwrap());
//
//
// reverse truncate
//
// Token decimals is less than decimals
assert_eq!(1000000000, truncate(100000000, 9, 8).unwrap());
assert_eq!(100000000, truncate(10000000, 9, 8).unwrap());
@@ -244,7 +242,7 @@ mod tests {
assert_eq!(100, truncate(1000, 7, 8).unwrap());
assert_eq!(120, truncate(12000, 6, 8).unwrap());
assert_eq!(100, truncate(1000000, 4, 8).unwrap());
// token decimals is 0
assert_eq!(0, truncate(00000000, 0, 8).unwrap());
assert_eq!(1, truncate(100000000, 0, 8).unwrap());