49 lines
1.7 KiB
Go
49 lines
1.7 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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clientkeeper "github.com/cosmos/cosmos-sdk/x/ibc/02-client/keeper"
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clienttypes "github.com/cosmos/cosmos-sdk/x/ibc/02-client/types"
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connectiontypes "github.com/cosmos/cosmos-sdk/x/ibc/03-connection/types"
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channelkeeper "github.com/cosmos/cosmos-sdk/x/ibc/04-channel/keeper"
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channeltypes "github.com/cosmos/cosmos-sdk/x/ibc/04-channel/types"
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)
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// NewQuerier creates a querier for the IBC module
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func NewQuerier(k Keeper, legacyQuerierCdc codec.JSONMarshaler) sdk.Querier {
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return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
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var (
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res []byte
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err error
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)
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switch path[0] {
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case clienttypes.SubModuleName:
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switch path[1] {
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case clienttypes.QueryAllClients:
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res, err = clientkeeper.QuerierClients(ctx, req, k.ClientKeeper, legacyQuerierCdc)
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default:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", clienttypes.SubModuleName)
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}
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case connectiontypes.SubModuleName:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", connectiontypes.SubModuleName)
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case channeltypes.SubModuleName:
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switch path[1] {
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case channeltypes.QueryChannelClientState:
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res, err = channelkeeper.QuerierChannelClientState(ctx, req, k.ChannelKeeper, legacyQuerierCdc)
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default:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", channeltypes.SubModuleName)
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}
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default:
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err = sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, "unknown IBC query endpoint")
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}
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return res, err
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}
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}
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