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docs/spec: DuplicateVoteEvidence

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Ethan Buchman
2018-06-15 23:19:42 -07:00
parent b8f340afd0
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docs/spec/blockchain/blockchain.md
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@@ -372,16 +372,23 @@ against the given signature and message bytes.
## Evidence
TODO
There is currently only one kind of evidence:
```
TODO
// amino: "tendermint/DuplicateVoteEvidence"
type DuplicateVoteEvidence struct {
PubKey crypto.PubKey
VoteA *Vote
VoteB *Vote
}
```
Every piece of evidence contains two conflicting votes from a single validator that
was active at the height indicated in the votes.
The votes must not be too old.
DuplicateVoteEvidence `ev` is valid if
- `ev.VoteA` and `ev.VoteB` can be verified with `ev.PubKey`
- `ev.VoteA` and `ev.VoteB` have the same `Height, Round, Address, Index, Type`
- `ev.VoteA.BlockID != ev.VoteB.BlockID`
- `(block.Height - ev.VoteA.Height) < MAX_EVIDENCE_AGE`
# Execution