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Use a proper transcript for Tributary scanner topics

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This commit is contained in:
Luke Parker
2023-09-27 13:33:25 -04:00
parent 01a4b9e694
commit 4a32f22418
3 changed files with 37 additions and 20 deletions
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29
coordinator/src/tributary/db.rs
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@@ -17,11 +17,17 @@ pub enum Topic {
impl Topic {
fn as_key(&self, genesis: [u8; 32]) -> Vec<u8> {
match self {
Topic::Dkg => [genesis.as_slice(), b"dkg".as_ref()].concat(),
Topic::Batch(id) => [genesis.as_slice(), b"batch".as_ref(), id.as_ref()].concat(),
Topic::Sign(id) => [genesis.as_slice(), b"sign".as_ref(), id.as_ref()].concat(),
}
let mut res = genesis.to_vec();
let (label, id) = match self {
Topic::Dkg => (b"dkg".as_slice(), [].as_slice()),
Topic::Batch(id) => (b"batch".as_slice(), id.as_slice()),
Topic::Sign(id) => (b"sign".as_slice(), id.as_slice()),
};
res.push(u8::try_from(label.len()).unwrap());
res.extend(label);
res.push(u8::try_from(id.len()).unwrap());
res.extend(id);
res
}
}
@@ -35,13 +41,12 @@ pub struct DataSpecification {
impl DataSpecification {
fn as_key(&self, genesis: [u8; 32]) -> Vec<u8> {
// TODO: Use a proper transcript here to avoid conflicts?
[
self.topic.as_key(genesis).as_ref(),
self.label.as_bytes(),
self.attempt.to_le_bytes().as_ref(),
]
.concat()
let mut res = self.topic.as_key(genesis);
let label_bytes = self.label.bytes();
res.push(u8::try_from(label_bytes.len()).unwrap());
res.extend(label_bytes);
res.extend(self.attempt.to_le_bytes());
res
}
}