core: Remove K, Phi and NumChains from Governance (#198)

* change default sync_core.sh
* vendor: sync to latest core
* core: Remove K, Phi and NumChain

1 files changed, 12 insertions, 0 deletions

diff --git a/vendor/github.com/dexon-foundation/dexon-consensus/core/dkg-tsig-protocol.go b/vendor/github.com/dexon-foundation/dexon-consensus/core/dkg-tsig-protocol.go
index 73b8abfd9..4f15a74ac 100644
--- a/vendor/github.com/dexon-foundation/dexon-consensus/core/dkg-tsig-protocol.go
+++ b/vendor/github.com/dexon-foundation/dexon-consensus/core/dkg-tsig-protocol.go
@@ -53,6 +53,8 @@ var (
 		"not enough of partial signatures")
 	ErrRoundAlreadyPurged = fmt.Errorf(
 		"cache of round already been purged")
+	ErrTSigNotReady = fmt.Errorf(
+		"tsig not ready")
 )
 
 type dkgReceiver interface {
@@ -400,6 +402,9 @@ func NewDKGGroupPublicKey(
 		}
 	}
 	qualifyIDs := make(dkg.IDs, 0, len(mpks)-len(disqualifyIDs))
+	if cap(qualifyIDs) < threshold {
+		return nil, ErrNotReachThreshold
+	}
 	qualifyNodeIDs := make(map[types.NodeID]struct{})
 	mpkMap := make(map[dkg.ID]*typesDKG.MasterPublicKey, cap(qualifyIDs))
 	idMap := make(map[types.NodeID]dkg.ID)
@@ -515,6 +520,13 @@ func (tc *TSigVerifierCache) Update(round uint64) (bool, error) {
 	return true, nil
 }
 
+// Delete the cache of given round.
+func (tc *TSigVerifierCache) Delete(round uint64) {
+	tc.lock.Lock()
+	defer tc.lock.Unlock()
+	delete(tc.verifier, round)
+}
+
 // Get the TSigVerifier of round and returns if it exists.
 func (tc *TSigVerifierCache) Get(round uint64) (TSigVerifier, bool) {
 	tc.lock.RLock()