62 lines
1.8 KiB
Go
62 lines
1.8 KiB
Go
package keeper
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import (
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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// NewQuerier creates a querier for auth REST endpoints
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func NewQuerier(k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
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return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
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switch path[0] {
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case types.QueryAccount:
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return queryAccount(ctx, req, k, legacyQuerierCdc)
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case types.QueryParams:
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return queryParams(ctx, k, legacyQuerierCdc)
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default:
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown query path: %s", path[0])
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}
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}
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}
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func queryAccount(ctx sdk.Context, req abci.RequestQuery, k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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var params types.QueryAccountRequest
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if err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
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return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
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}
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addr, err := sdk.AccAddressFromBech32(params.Address)
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if err != nil {
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return nil, err
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}
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account := k.GetAccount(ctx, addr)
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if account == nil {
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return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownAddress, "account %s does not exist", params.Address)
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}
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bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, account)
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if err != nil {
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return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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}
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return bz, nil
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}
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func queryParams(ctx sdk.Context, k AccountKeeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
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params := k.GetParams(ctx)
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res, err := codec.MarshalJSONIndent(legacyQuerierCdc, params)
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if err != nil {
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return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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}
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return res, nil
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}
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