diff options
Diffstat (limited to 'consensus/clique/snapshot.go')
| -rw-r--r-- | consensus/clique/snapshot.go | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/consensus/clique/snapshot.go b/consensus/clique/snapshot.go index 8eaf3b62e..32a1191db 100644 --- a/consensus/clique/snapshot.go +++ b/consensus/clique/snapshot.go @@ -126,11 +126,17 @@ func (s *Snapshot) copy() *Snapshot { return cpy } +// validVote returns whether it makes sense to cast the specified vote in the +// given snapshot context (e.g. don't try to add an already authorized signer). +func (s *Snapshot) validVote(address common.Address, authorize bool) bool { + _, signer := s.Signers[address] + return (signer && !authorize) || (!signer && authorize) +} + // cast adds a new vote into the tally. func (s *Snapshot) cast(address common.Address, authorize bool) bool { // Ensure the vote is meaningful - _, signer := s.Signers[address] - if (signer && authorize) || (!signer && !authorize) { + if !s.validVote(address, authorize) { return false } // Cast the vote into an existing or new tally |