github.com/Finschia/finschia-sdk@v0.49.1/x/auth/keeper/querier.go (about)

     1  package keeper
     2  
     3  import (
     4  	abci "github.com/tendermint/tendermint/abci/types"
     5  
     6  	"github.com/Finschia/finschia-sdk/codec"
     7  	sdk "github.com/Finschia/finschia-sdk/types"
     8  	sdkerrors "github.com/Finschia/finschia-sdk/types/errors"
     9  	"github.com/Finschia/finschia-sdk/x/auth/types"
    10  )
    11  
    12  // NewQuerier creates a querier for auth REST endpoints
    13  func NewQuerier(k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) 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, k, legacyQuerierCdc)
    18  
    19  		case types.QueryParams:
    20  			return queryParams(ctx, k, legacyQuerierCdc)
    21  
    22  		default:
    23  			return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
    24  		}
    25  	}
    26  }
    27  
    28  func queryAccount(ctx sdk.Context, req abci.RequestQuery, k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
    29  	var params types.QueryAccountRequest
    30  	if err := legacyQuerierCdc.UnmarshalJSON(req.Data, &params); err != nil {
    31  		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
    32  	}
    33  
    34  	addr, err := sdk.AccAddressFromBech32(params.Address)
    35  	if err != nil {
    36  		return nil, err
    37  	}
    38  
    39  	account := k.GetAccount(ctx, addr)
    40  	if account == nil {
    41  		return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownAddress, "account %s does not exist", params.Address)
    42  	}
    43  
    44  	bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, account)
    45  	if err != nil {
    46  		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
    47  	}
    48  
    49  	return bz, nil
    50  }
    51  
    52  func queryParams(ctx sdk.Context, k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
    53  	params := k.GetParams(ctx)
    54  
    55  	res, err := codec.MarshalJSONIndent(legacyQuerierCdc, params)
    56  	if err != nil {
    57  		return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
    58  	}
    59  
    60  	return res, nil
    61  }