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zcash_primitives: Small simplification to Script::address

This commit is contained in:
Jack Grigg 2020-10-18 13:17:16 +01:00
parent b1c3f9d3f0
commit d657ff906e
1 changed files with 3 additions and 7 deletions
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10
zcash_primitives/src/legacy.rs
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@ -42,18 +42,14 @@ impl Script {
/// Returns the address that this Script contains, if any.
pub fn address(&self) -> Option<TransparentAddress> {
if self.0.len() == 25
&& self.0[0] == OpCode::Dup as u8
&& self.0[1] == OpCode::Hash160 as u8
&& self.0[2] == 0x14
&& self.0[23] == OpCode::EqualVerify as u8
&& self.0[24] == OpCode::CheckSig as u8
&& self.0[0..3] == [OpCode::Dup as u8, OpCode::Hash160 as u8, 0x14]
&& self.0[23..25] == [OpCode::EqualVerify as u8, OpCode::CheckSig as u8]
{
let mut hash = [0; 20];
hash.copy_from_slice(&self.0[3..23]);
Some(TransparentAddress::PublicKey(hash))
} else if self.0.len() == 23
&& self.0[0] == OpCode::Hash160 as u8
&& self.0[1] == 0x14
&& self.0[0..2] == [OpCode::Hash160 as u8, 0x14]
&& self.0[22] == OpCode::Equal as u8
{
let mut hash = [0; 20];