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Fix from review

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This commit is contained in:
Robin Salen 2023-04-11 07:41:33 -04:00
parent 3da8efa6ba
commit 011ea8e49b
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GPG Key ID: FB87BACFB3CB2007
1 changed files with 8 additions and 8 deletions
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16
evm/src/cpu/kernel/interpreter.rs
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@ -600,17 +600,17 @@ impl<'a> Interpreter<'a> {
let mut x_bytes = [0u8; 32];
x.to_big_endian(&mut x_bytes);
let mut x_bytes = x_bytes[num_bytes_prepend..].to_vec();
let x_bytes = x_bytes[num_bytes_prepend..].to_vec();
let sign_bit = x_bytes[0] >> 7;
self.push(if sign_bit == 0 {
x_bytes.extend_from_slice(&vec![0; num_bytes_prepend]);
U256::from_big_endian(&x_bytes)
let mut bytes = if sign_bit == 0 {
vec![0; num_bytes_prepend]
} else {
let mut tmp = vec![0xff; num_bytes_prepend];
tmp.extend_from_slice(&x_bytes);
U256::from_big_endian(&tmp)
});
vec![0xff; num_bytes_prepend]
};
bytes.extend_from_slice(&x_bytes);
self.push(U256::from_big_endian(&bytes));
}
}