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Support running TendermintMachine when not a validator

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This supports validators who leave the current set, without crashing 
their nodes, along with nodes trying to become validators (who will now 
seamlessly transition in).
This commit is contained in:
Luke Parker
2022-11-11 06:04:37 -05:00
parent dbcddb2fb0
commit 43b43bdbd9
4 changed files with 20 additions and 22 deletions
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9
substrate/tendermint/client/src/validators.rs
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@@ -123,17 +123,14 @@ impl<T: TendermintClient> Signer for TendermintSigner<T> {
type ValidatorId = u16;
type Signature = Signature;
async fn validator_id(&self) -> u16 {
async fn validator_id(&self) -> Option<u16> {
let key = self.get_public_key().await;
for (i, k) in (*self.1 .0).read().unwrap().lookup.iter().enumerate() {
if k == &key {
return u16::try_from(i).unwrap();
return Some(u16::try_from(i).unwrap());
}
}
// TODO: Enable switching between being a validator and not being one, likely be returning
// Option<u16> here. Non-validators should be able to simply not broadcast when they think
// they have messages.
panic!("not a validator");
None
}
async fn sign(&self, msg: &[u8]) -> Signature {