Give testnet internal node 70% voting power for stuck epochs (#3521)

consensus/quorum/quorum.go

@@ -139,11 +139,12 @@ type Registry struct {
 	Deciders      map[string]Decider `json:"quorum-deciders"`
 	ExternalCount int                `json:"external-slot-count"`
 	MedianStake   numeric.Dec        `json:"epos-median-stake"`
+	Epoch         int                `json:"epoch"`
 }
 
 // NewRegistry ..
-func NewRegistry(extern int) Registry {
+func NewRegistry(extern int, epoch int) Registry {
-	return Registry{map[string]Decider{}, extern, numeric.ZeroDec()}
+	return Registry{map[string]Decider{}, extern, numeric.ZeroDec(), epoch}
 }
 
 // Transition  ..

consensus/votepower/roster.go

@@ -184,7 +184,8 @@ func Compute(subComm *shard.Committee, epoch *big.Int) (*Roster, error) {
 
 	// Testnet incident recovery
 	// Make harmony nodes having 70% voting power for epoch 73314
-	if nodeconfig.GetDefaultConfig().GetNetworkType() == nodeconfig.Testnet && epoch.Cmp(big.NewInt(73314)) == 0 {
+	if nodeconfig.GetDefaultConfig().GetNetworkType() == nodeconfig.Testnet && epoch.Cmp(big.NewInt(73305)) >= 0 &&
+		epoch.Cmp(big.NewInt(73330)) <= 0 {
 		harmonyPercent = numeric.MustNewDecFromStr("0.70")
 		externalPercent = numeric.MustNewDecFromStr("0.30")
 	}

hmy/staking.go

@@ -66,6 +66,11 @@ func (hmy *Harmony) readAndUpdateRawStakes(
 
 func (hmy *Harmony) getSuperCommittees() (*quorum.Transition, error) {
 	nowE := hmy.BlockChain.CurrentHeader().Epoch()
+
+	if hmy.BlockChain.CurrentHeader().IsLastBlockInEpoch() {
+		// current epoch is current header epoch + 1 if the header was last block of prev epoch
+		nowE = new(big.Int).Add(nowE, common.Big1)
+	}
 	thenE := new(big.Int).Sub(nowE, common.Big1)
 
 	var (
@@ -86,8 +91,8 @@ func (hmy *Harmony) getSuperCommittees() (*quorum.Transition, error) {
 		shard.ExternalSlotsAvailableForEpoch(thenE)
 
 	then, now :=
-		quorum.NewRegistry(stakedSlotsThen),
+		quorum.NewRegistry(stakedSlotsThen, int(thenE.Int64())),
-		quorum.NewRegistry(stakedSlotsNow)
+		quorum.NewRegistry(stakedSlotsNow, int(nowE.Int64()))
 
 	rawStakes := []effective.SlotPurchase{}
 	validatorSpreads := map[common.Address]numeric.Dec{}