github.com/fibonacci-chain/fbc@v0.0.0-20231124064014-c7636198c1e9/libs/cosmos-sdk/x/auth/keeper/querier.go (about)

     1  package keeper
     2  
     3  import (
     4  	abci "github.com/fibonacci-chain/fbc/libs/tendermint/abci/types"
     5  
     6  	"github.com/fibonacci-chain/fbc/libs/cosmos-sdk/codec"
     7  	sdk "github.com/fibonacci-chain/fbc/libs/cosmos-sdk/types"
     8  	sdkerrors "github.com/fibonacci-chain/fbc/libs/cosmos-sdk/types/errors"
     9  	"github.com/fibonacci-chain/fbc/libs/cosmos-sdk/x/auth/types"
    10  )
    11  
    12  // NewQuerier creates a querier for auth REST endpoints
    13  func NewQuerier(keeper AccountKeeper) sdk.Querier {
    14  	return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
    15  		switch path[0] {
    16  		case types.QueryAccount:
    17  			return queryAccount(ctx, req, keeper)
    18  		default:
    19  			return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
    20  		}
    21  	}
    22  }
    23  
    24  func queryAccount(ctx sdk.Context, req abci.RequestQuery, keeper AccountKeeper) ([]byte, error) {
    25  	var params types.QueryAccountParams
    26  	if err := keeper.cdc.UnmarshalJSON(req.Data, &params); err != nil {
    27  		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
    28  	}
    29  
    30  	account := keeper.GetAccount(ctx, params.Address)
    31  	if account == nil {
    32  		return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownAddress, "account %s does not exist", params.Address)
    33  	}
    34  
    35  	bz, err := codec.MarshalJSONIndent(keeper.cdc, account)
    36  	if err != nil {
    37  		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
    38  	}
    39  
    40  	return bz, nil
    41  }