diff --git a/testutil/mocks.go b/testutil/mocks.go
index d94116b..d2c9e2b 100644
--- a/testutil/mocks.go
+++ b/testutil/mocks.go
@@ -233,6 +233,31 @@ func (mr *MockStakingKeeperRecorder) GetValidator(ctx, addr interface{}) *gomock
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetValidator", reflect.TypeOf((*MockStakingKeeper)(nil).GetValidator), ctx, addr)
 }
 
+func (m *MockStakingKeeper) IterateValidators(ctx context.Context, fn func(index int64, validator stakingtypes.ValidatorI) (stop bool)) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "IterateValidators", ctx, fn)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+func (mr *MockStakingKeeperRecorder) IterateValidators(ctx, fn interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "IterateValidators", reflect.TypeOf((*MockStakingKeeper)(nil).IterateValidators), ctx, fn)
+}
+
+func (m *MockStakingKeeper) TotalBondedTokens(ctx context.Context) (math.Int, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "TotalBondedTokens", ctx)
+	ret0, _ := ret[0].(math.Int)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+func (mr *MockStakingKeeperRecorder) TotalBondedTokens(ctx interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TotalBondedTokens", reflect.TypeOf((*MockStakingKeeper)(nil).TotalBondedTokens), ctx)
+}
+
 func (m *MockStakingKeeper) Delegate(ctx context.Context, delAddr sdk.AccAddress, bondAmt math.Int, tokenSrc stakingtypes.BondStatus, validator stakingtypes.Validator, subtractAccount bool) (math.LegacyDec, error) {
 	m.ctrl.T.Helper()
 	ret := m.ctrl.Call(m, "Delegate", ctx, delAddr, bondAmt, tokenSrc, validator, subtractAccount)
diff --git a/x/tier/types/expected_keepers.go b/x/tier/types/expected_keepers.go
index 6efe186..15b0114 100644
--- a/x/tier/types/expected_keepers.go
+++ b/x/tier/types/expected_keepers.go
@@ -26,6 +26,8 @@ type StakingKeeper interface {
 		sharesAmount math.LegacyDec) (completionTime time.Time, err error)
 	BondDenom(ctx context.Context) (string, error)
 	GetValidator(ctx context.Context, addr sdk.ValAddress) (validator stakingtypes.Validator, err error)
+	IterateValidators(context.Context, func(index int64, validator stakingtypes.ValidatorI) (stop bool)) error
+	TotalBondedTokens(context.Context) (math.Int, error)
 	ValidateUnbondAmount(ctx context.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress, amt math.Int) (
 		shares math.LegacyDec, err error)
 	GetUnbondingDelegation(ctx context.Context, delAddr sdk.AccAddress, valAddr sdk.ValAddress) (