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Implement PublicKey ordering using FFI 

Instead of selializing the key we can call down to the ffi layer to do
ordering.

Co-authored-by: Tobin C. Harding <me@tobin.cc>
This commit is contained in:
Dr Maxim Orlovsky 2021-06-19 11:25:06 +02:00 committed by Tobin C. Harding
parent 0faf404f0e
commit 739660499b
1 changed files with 5 additions and 2 deletions
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7
src/key.rs
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@ -673,13 +673,16 @@ impl<'de> serde::Deserialize<'de> for PublicKey {
impl PartialOrd for PublicKey { impl PartialOrd for PublicKey {
fn partial_cmp(&self, other: &PublicKey) -> Option<core::cmp::Ordering> { fn partial_cmp(&self, other: &PublicKey) -> Option<core::cmp::Ordering> {
self.serialize().partial_cmp(&other.serialize()) Some(self.cmp(other))
} }
} }
impl Ord for PublicKey { impl Ord for PublicKey {
fn cmp(&self, other: &PublicKey) -> core::cmp::Ordering { fn cmp(&self, other: &PublicKey) -> core::cmp::Ordering {
self.serialize().cmp(&other.serialize()) let ret = unsafe {
ffi::secp256k1_ec_pubkey_cmp(ffi::secp256k1_context_no_precomp, self.as_c_ptr(), other.as_c_ptr())
};
ret.cmp(&0i32)
} }
} }