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query_question.go
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/
query_question.go
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package keeper
import (
"context"
"cosmossdk.io/store/prefix"
"github.com/cosmos/cosmos-sdk/runtime"
"github.com/cosmos/cosmos-sdk/types/query"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"hm/x/hm/types"
)
func (k Keeper) QuestionAll(ctx context.Context, req *types.QueryAllQuestionRequest) (*types.QueryAllQuestionResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
var questions []types.Question
store := runtime.KVStoreAdapter(k.storeService.OpenKVStore(ctx))
questionStore := prefix.NewStore(store, types.KeyPrefix(types.QuestionKeyPrefix))
pageRes, err := query.Paginate(questionStore, req.Pagination, func(key []byte, value []byte) error {
var question types.Question
if err := k.cdc.Unmarshal(value, &question); err != nil {
return err
}
questions = append(questions, question)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllQuestionResponse{Question: questions, Pagination: pageRes}, nil
}
func (k Keeper) Question(ctx context.Context, req *types.QueryGetQuestionRequest) (*types.QueryGetQuestionResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "invalid request")
}
val, found := k.GetQuestion(
ctx,
req.Index,
)
if !found {
return nil, status.Error(codes.NotFound, "not found")
}
return &types.QueryGetQuestionResponse{Question: val}, nil
}