54 lines
1.8 KiB
Go
54 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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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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client "github.com/cosmos/cosmos-sdk/x/ibc/02-client"
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connection "github.com/cosmos/cosmos-sdk/x/ibc/03-connection"
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channel "github.com/cosmos/cosmos-sdk/x/ibc/04-channel"
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)
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// NewQuerier creates a querier for the IBC module
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func NewQuerier(k Keeper) 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 client.SubModuleName:
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switch path[1] {
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case client.QueryAllClients:
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res, err = client.QuerierClients(ctx, req, k.ClientKeeper)
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default:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", client.SubModuleName)
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}
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case connection.SubModuleName:
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switch path[1] {
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case connection.QueryAllConnections:
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res, err = connection.QuerierConnections(ctx, req, k.ConnectionKeeper)
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case connection.QueryClientConnections:
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res, err = connection.QuerierClientConnections(ctx, req, k.ConnectionKeeper)
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default:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", connection.SubModuleName)
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}
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case channel.SubModuleName:
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switch path[1] {
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case channel.QueryAllChannels:
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res, err = channel.QuerierChannels(ctx, req, k.ChannelKeeper)
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case channel.QueryConnectionChannels:
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res, err = channel.QuerierConnectionChannels(ctx, req, k.ChannelKeeper)
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default:
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err = sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown IBC %s query endpoint", channel.SubModuleName)
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}
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default:
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err = sdkerrors.Wrapf(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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