diff --git a/go.mod b/go.mod
index cbba8c97..9eb9c406 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,6 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/spf13/cast v1.5.1
 	github.com/spf13/cobra v1.7.0
-	github.com/spf13/viper v1.16.0
 	github.com/stretchr/testify v1.8.4
 	golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb
 	google.golang.org/genproto/googleapis/api v0.0.0-20230726155614-23370e0ffb3e
@@ -145,6 +144,7 @@ require (
 	github.com/spf13/afero v1.9.5 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/spf13/viper v1.16.0 // indirect
 	github.com/subosito/gotenv v1.4.2 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect
 	github.com/tendermint/go-amino v0.16.0 // indirect
diff --git a/x/alliance/bindings/query_plugin.go b/x/alliance/bindings/query_plugin.go
index df00cc5f..ed3fa6a2 100644
--- a/x/alliance/bindings/query_plugin.go
+++ b/x/alliance/bindings/query_plugin.go
@@ -12,10 +12,10 @@ import (
 )
 
 type QueryPlugin struct {
-	allianceKeeper keeper.Keeper
+	allianceKeeper *keeper.Keeper
 }
 
-func NewAllianceQueryPlugin(keeper keeper.Keeper) *QueryPlugin {
+func NewAllianceQueryPlugin(keeper *keeper.Keeper) *QueryPlugin {
 	return &QueryPlugin{
 		allianceKeeper: keeper,
 	}
@@ -73,17 +73,17 @@ func (q *QueryPlugin) GetAlliance(ctx sdk.Context, denom string) (res []byte, er
 		},
 		IsInitialized: asset.IsInitialized,
 	})
-	return
+	return res, err
 }
 
 func (q *QueryPlugin) GetDelegation(ctx sdk.Context, denom string, delegator string, validator string) (res []byte, err error) {
 	delegatorAddr, err := sdk.AccAddressFromBech32(delegator)
 	if err != nil {
-		return
+		return nil, err
 	}
 	validatorAddr, err := sdk.ValAddressFromBech32(validator)
 	if err != nil {
-		return
+		return nil, err
 	}
 	delegation, found := q.allianceKeeper.GetDelegation(ctx, delegatorAddr, validatorAddr, denom)
 	if !found {
@@ -103,10 +103,7 @@ func (q *QueryPlugin) GetDelegation(ctx sdk.Context, denom string, delegator str
 		Delegator: delegation.DelegatorAddress,
 		Validator: delegation.ValidatorAddress,
 		Denom:     delegation.Denom,
-		Amount: types.Coin{
-			Denom:  balance.Denom,
-			Amount: balance.Amount.String(),
-		},
+		Amount:    balance.Amount.String(),
 	})
 	return res, err
 }
@@ -118,40 +115,24 @@ func (q *QueryPlugin) GetDelegationRewards(ctx sdk.Context,
 ) (res []byte, err error) {
 	delegatorAddr, err := sdk.AccAddressFromBech32(delegator)
 	if err != nil {
-		return
+		return nil, err
 	}
 	validatorAddr, err := sdk.ValAddressFromBech32(validator)
 	if err != nil {
-		return
-	}
-	delegation, found := q.allianceKeeper.GetDelegation(ctx, delegatorAddr, validatorAddr, denom)
-	if !found {
-		return nil, alliancetypes.ErrDelegationNotFound
+		return nil, err
 	}
 	allianceValidator, err := q.allianceKeeper.GetAllianceValidator(ctx, validatorAddr)
 	if err != nil {
 		return nil, err
 	}
-	asset, found := q.allianceKeeper.GetAssetByDenom(ctx, denom)
-	if !found {
-		return nil, alliancetypes.ErrUnknownAsset
-	}
 
-	rewards, _, err := q.allianceKeeper.CalculateDelegationRewards(ctx, delegation, allianceValidator, asset)
+	rewards, err := q.allianceKeeper.ClaimDelegationRewards(ctx, delegatorAddr, allianceValidator, denom)
 	if err != nil {
-		return
-	}
-
-	var coins []types.Coin
-	for _, coin := range rewards {
-		coins = append(coins, types.Coin{
-			Denom:  coin.Denom,
-			Amount: coin.Amount.String(),
-		})
+		return nil, err
 	}
 
 	res, err = json.Marshal(types.DelegationRewardsResponse{
-		Rewards: coins,
+		Rewards: rewards,
 	})
 	return res, err
 }
diff --git a/x/alliance/bindings/tests/query_plugin_test.go b/x/alliance/bindings/tests/query_plugin_test.go
index 444a9153..6f0f5080 100644
--- a/x/alliance/bindings/tests/query_plugin_test.go
+++ b/x/alliance/bindings/tests/query_plugin_test.go
@@ -34,7 +34,7 @@ func TestAssetQuery(t *testing.T) {
 		},
 	})
 
-	querierPlugin := bindings.NewAllianceQueryPlugin(app.AllianceKeeper)
+	querierPlugin := bindings.NewAllianceQueryPlugin(&app.AllianceKeeper)
 	querier := bindings.CustomQuerier(querierPlugin)
 
 	assetQuery := bindingtypes.AllianceQuery{
@@ -101,7 +101,7 @@ func TestDelegationQuery(t *testing.T) {
 	_, err = app.AllianceKeeper.Delegate(ctx, delAddr, val, sdk.NewCoin(AllianceDenom, sdk.NewInt(1000_000)))
 	require.NoError(t, err)
 
-	querierPlugin := bindings.NewAllianceQueryPlugin(app.AllianceKeeper)
+	querierPlugin := bindings.NewAllianceQueryPlugin(&app.AllianceKeeper)
 	querier := bindings.CustomQuerier(querierPlugin)
 
 	delegationQuery := bindingtypes.AllianceQuery{
@@ -124,10 +124,7 @@ func TestDelegationQuery(t *testing.T) {
 		Delegator: delAddr.String(),
 		Validator: val.GetOperator().String(),
 		Denom:     AllianceDenom,
-		Amount: bindingtypes.Coin{
-			Denom:  AllianceDenom,
-			Amount: "1000000",
-		},
+		Amount:    "1000000",
 	}, delegationResponse)
 }
 
@@ -175,7 +172,7 @@ func TestDelegationRewardsQuery(t *testing.T) {
 	err = app.AllianceKeeper.AddAssetsToRewardPool(ctx, mintPoolAddr, val, sdk.NewCoins(sdk.NewCoin("stake", sdk.NewInt(2000_000))))
 	require.NoError(t, err)
 
-	querierPlugin := bindings.NewAllianceQueryPlugin(app.AllianceKeeper)
+	querierPlugin := bindings.NewAllianceQueryPlugin(&app.AllianceKeeper)
 	querier := bindings.CustomQuerier(querierPlugin)
 
 	delegationQuery := bindingtypes.AllianceQuery{
@@ -195,10 +192,10 @@ func TestDelegationRewardsQuery(t *testing.T) {
 	require.NoError(t, err)
 
 	require.Equal(t, bindingtypes.DelegationRewardsResponse{
-		Rewards: []bindingtypes.Coin{
+		Rewards: []sdk.Coin{
 			{
 				Denom:  "stake",
-				Amount: "2000000",
+				Amount: sdk.NewInt(2000000),
 			},
 		},
 	}, response)
@@ -214,7 +211,7 @@ func TestCustomQuerier(t *testing.T) {
 		},
 	})
 
-	querierPlugin := bindings.NewAllianceQueryPlugin(app.AllianceKeeper)
+	querierPlugin := bindings.NewAllianceQueryPlugin(&app.AllianceKeeper)
 	querier := bindings.CustomQuerier(querierPlugin)
 
 	queryBytes := []byte("{\"random\": \"query\"}")
diff --git a/x/alliance/bindings/types/response.go b/x/alliance/bindings/types/response.go
index 50a32b69..f97f4555 100644
--- a/x/alliance/bindings/types/response.go
+++ b/x/alliance/bindings/types/response.go
@@ -1,5 +1,7 @@
 package types
 
+import sdk "github.com/cosmos/cosmos-sdk/types"
+
 type AllianceResponse struct {
 	Denom                string            `json:"denom"`
 	RewardWeight         string            `json:"reward_weight"`
@@ -18,18 +20,13 @@ type RewardWeightRange struct {
 	Max string `json:"max"`
 }
 
-type Coin struct {
-	Denom  string `json:"denom"`
-	Amount string `json:"amount"`
-}
-
 type DelegationResponse struct {
 	Delegator string `json:"delegator"`
 	Validator string `json:"validator"`
 	Denom     string `json:"denom"`
-	Amount    Coin   `json:"amount"`
+	Amount    string `json:"amount"`
 }
 
 type DelegationRewardsResponse struct {
-	Rewards []Coin `json:"rewards"`
+	Rewards sdk.Coins `json:"rewards"`
 }