implement query & update return schema

x/colinearcore/keeper/grpc_query_locked_funds.go

@@ -2,8 +2,11 @@ package keeper
 
 import (
 	"context"
+	"errors"
+	"fmt"
 
 	"colinear/x/colinearcore/types"
+
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
@@ -16,8 +19,22 @@ func (k Keeper) LockedFunds(goCtx context.Context, req *types.QueryLockedFundsRe
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
 
-	// TODO: Process the query
-	_ = ctx
+	if err := sdk.VerifyAddressFormat([]byte(req.Owner)); err != nil {
+		return nil, fmt.Errorf("address %s is not valid", req.Owner)
+	}
 
-	return &types.QueryLockedFundsResponse{}, nil
+	lockedUsers, ok := k.GetLockedUsers(ctx)
+	if !ok {
+		return nil, errors.New("unable to get locked users")
+	}
+
+	var userAmtStr string
+	userAmtStr, ok = lockedUsers.Users[req.Owner]
+	if !ok {
+		return nil, fmt.Errorf("user %s has not locked any funds", req.Owner)
+	}
+
+	return &types.QueryLockedFundsResponse{
+		Amount: userAmtStr,
+	}, nil
 }