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Remove extra call to serialize in shred verify (#5698)

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This commit is contained in:
Pankaj Garg
2019-08-27 19:28:00 -07:00
committed by GitHub
parent 50ab34ad92
commit 2510f3d352
4 changed files with 36 additions and 14 deletions
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8
core/src/shred.rs
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@@ -107,6 +107,11 @@ impl Shred {
}
pub fn verify(&self, pubkey: &Pubkey) -> bool {
let shred = bincode::serialize(&self).unwrap();
self.fast_verify(&shred, pubkey)
}
pub fn fast_verify(&self, shred_buf: &[u8], pubkey: &Pubkey) -> bool {
let signed_payload_offset = match self {
Shred::FirstInSlot(_)
| Shred::FirstInFECSet(_)
@@ -119,9 +124,8 @@ impl Shred {
}
} + bincode::serialized_size(&Signature::default()).unwrap()
as usize;
let shred = bincode::serialize(&self).unwrap();
self.signature()
.verify(pubkey.as_ref(), &shred[signed_payload_offset..])
.verify(pubkey.as_ref(), &shred_buf[signed_payload_offset..])
}
}