module.go

package icq

import (
	"context"
	"encoding/json"
	"fmt"

	"github.com/cosmos/ibc-apps/modules/async-icq/v7/client/cli"
	"github.com/cosmos/ibc-apps/modules/async-icq/v7/exported"
	"github.com/cosmos/ibc-apps/modules/async-icq/v7/keeper"
	"github.com/cosmos/ibc-apps/modules/async-icq/v7/types"
	"github.com/gorilla/mux"
	"github.com/grpc-ecosystem/grpc-gateway/runtime"
	"github.com/spf13/cobra"

	"github.com/cosmos/cosmos-sdk/client"
	"github.com/cosmos/cosmos-sdk/codec"
	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	"github.com/cosmos/cosmos-sdk/types/module"

	abci "github.com/cometbft/cometbft/abci/types"

	porttypes "github.com/cosmos/ibc-go/v7/modules/core/05-port/types"
)

var (
	_ module.AppModule      = AppModule{}
	_ module.AppModuleBasic = AppModuleBasic{}

	_ porttypes.IBCModule = IBCModule{}
)

// AppModuleBasic is the IBC interchain query AppModuleBasic
type AppModuleBasic struct{}

// RegisterInterfaces implements module.AppModuleBasic.
func (AppModuleBasic) RegisterInterfaces(r codectypes.InterfaceRegistry) {
	types.RegisterInterfaces(r)
}

// RegisterLegacyAminoCodec implements module.AppModuleBasic.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
	types.RegisterLegacyAminoCodec(cdc)
}

// Name implements AppModuleBasic interface
func (AppModuleBasic) Name() string {
	return types.ModuleName
}

// DefaultGenesis returns default genesis state as raw bytes for the IBC
// interchain query module
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
	return cdc.MustMarshalJSON(types.DefaultGenesis())
}

// ValidateGenesis performs genesis state validation for the IBC interchain acounts module
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
	var gs types.GenesisState
	if err := cdc.UnmarshalJSON(bz, &gs); err != nil {
		return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
	}

	return gs.Validate()
}

// RegisterRESTRoutes implements AppModuleBasic interface
func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {
}

// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the interchain query module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
	err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx))
	if err != nil {
		panic(err)
	}
}

// GetTxCmd implements AppModuleBasic interface
func (AppModuleBasic) GetTxCmd() *cobra.Command {
	return cli.NewTxCmd()
}

// GetQueryCmd implements AppModuleBasic interface
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
	return cli.GetQueryCmd()
}

// AppModule is the application module for the IBC interchain query module
type AppModule struct {
	AppModuleBasic
	keeper keeper.Keeper

	// legacySubspace is used solely for migration of x/params managed parameters
	legacySubspace exported.Subspace
}

// NewAppModule creates a new IBC interchain query module
func NewAppModule(keeper keeper.Keeper, ss exported.Subspace) AppModule {
	return AppModule{
		keeper:         keeper,
		legacySubspace: ss,
	}
}

// InitModule will initialize the interchain query moudule. It should only be
// called once and as an alternative to InitGenesis.
func (am AppModule) InitModule(ctx sdk.Context, params types.Params) {
	if err := am.keeper.SetParams(ctx, params); err != nil {
		panic(fmt.Sprintf("could not set params: %v", err))
	}

	if am.keeper.IsHostEnabled(ctx) {
		err := am.keeper.BindPort(ctx, types.PortID)
		if err != nil {
			panic(fmt.Sprintf("could not claim port capability: %v", err))
		}
	}
}

// RegisterInvariants implements the AppModule interface
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}

// NewHandler implements the AppModule interface
func (AppModule) NewHandler() sdk.Handler {
	return nil
}

// QuerierRoute implements the AppModule interface
func (AppModule) QuerierRoute() string {
	return types.QuerierRoute
}

// RegisterServices registers module services
func (am AppModule) RegisterServices(cfg module.Configurator) {
	types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
	types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))

	m := keeper.NewMigrator(&am.keeper, am.legacySubspace)
	if err := cfg.RegisterMigration(types.ModuleName, 1, m.Migrate1to2); err != nil {
		panic(fmt.Sprintf("failed to migrate x/%s from version 1 to 2: %v", types.ModuleName, err))
	}
}

// InitGenesis performs genesis initialization for the icq module. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
	var genesisState types.GenesisState
	cdc.MustUnmarshalJSON(data, &genesisState)
	am.keeper.InitGenesis(ctx, genesisState)
	return []abci.ValidatorUpdate{}
}

// ExportGenesis returns the exported genesis state as raw bytes for the icq
// module.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
	gs := am.keeper.ExportGenesis(ctx)
	return cdc.MustMarshalJSON(gs)
}

// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 2 }

// BeginBlock implements the AppModule interface
func (am AppModule) BeginBlock(sdk.Context, abci.RequestBeginBlock) {
}

// EndBlock implements the AppModule interface
func (am AppModule) EndBlock(sdk.Context, abci.RequestEndBlock) []abci.ValidatorUpdate {
	return []abci.ValidatorUpdate{}
}