core: utils: add GetDKGNackThreshold method

Nacking DKG requires a different threshold then DKG itself, since if
there are more than t + 1 of node nacking a node, we can assume the node
is actually dead.

1 files changed, 5 insertions, 0 deletions

diff --git a/core/utils/utils.go b/core/utils/utils.go
index f8b70d0..1d650bf 100644
--- a/core/utils/utils.go
+++ b/core/utils/utils.go
@@ -134,6 +134,11 @@ func LaunchDummyReceiver(
 	return dummyCancel, finishedChan
 }
 
+// GetDKGNackThreshold return expected threshold for given nacking DKG set.
+func GetDKGNackThreshold(config *types.Config) int {
+	return int(config.NotarySetSize*1/3) + 1
+}
+
 // GetDKGThreshold return expected threshold for given DKG set size.
 func GetDKGThreshold(config *types.Config) int {
 	return int(config.NotarySetSize*2/3) + 1