implement TotalPower

types/validator_set.go

@@ -16,7 +16,6 @@ func init() {
 type Validator = abci.Validator
 
 type ValidatorSetKeeper interface {
-	Hash(Context) []byte
 	GetValidators(Context) []*Validator
 	Size(Context) int
 	IsValidator(Context, Address) bool

x/stake/keeper.go

@@ -498,10 +498,6 @@ func (k Keeper) setPool(ctx sdk.Context, p Pool) {
 
 // Implements sdk.ValidatorSetKeeper
 
-func (k Keeper) Hash() []byte {
-	return nil
-}
-
 func (k Keeper) Size(ctx sdk.Context) int {
 	return len(k.GetValidators(ctx))
 }
@@ -536,6 +532,14 @@ func (k Keeper) GetByIndex(ctx sdk.Context, index int) *sdk.Validator {
 	return &val
 }
 
-func (k Keeper) TotalPower() sdk.Rat {
-	return sdk.ZeroRat
+func (k Keeper) TotalPower(ctx sdk.Context) sdk.Rat {
+	valset := k.GetValidators(ctx)
+
+	res := sdk.ZeroRat
+
+	for _, v := range valset {
+		res = res.Add(v.Power)
+	}
+
+	return res
 }