module.go

package cork

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

	"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"
	sim "github.com/cosmos/cosmos-sdk/types/simulation"
	"github.com/grpc-ecosystem/grpc-gateway/runtime"
	"github.com/peggyjv/sommelier/v7/x/cork/client/cli"
	"github.com/peggyjv/sommelier/v7/x/cork/keeper"
	corktypes "github.com/peggyjv/sommelier/v7/x/cork/types"
	v1types "github.com/peggyjv/sommelier/v7/x/cork/types/v1"
	types "github.com/peggyjv/sommelier/v7/x/cork/types/v2"
	"github.com/spf13/cobra"
	abci "github.com/tendermint/tendermint/abci/types"
)

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

// AppModuleBasic defines the basic application module used by the cork module.
type AppModuleBasic struct{}

// Name returns the cork module's name
func (AppModuleBasic) Name() string {
	return corktypes.ModuleName
}

// RegisterLegacyAminoCodec doesn't support amino
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}

// DefaultGenesis returns default genesis state as raw bytes for the oracle
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
	gs := types.DefaultGenesisState()
	return cdc.MustMarshalJSON(&gs)
}

// ValidateGenesis performs genesis state validation for the cork 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 err
	}
	return gs.Validate()
}

// GetTxCmd returns the root tx command for the cork module.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
	return cli.GetTxCmd()
}

// GetQueryCmd returns the root query command for the cork module.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
	return cli.GetQueryCmd()
}

// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the cork module.
// also implements app modeul basic
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
	types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx))
}

// RegisterInterfaces implements app module basic
func (b AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
	types.RegisterInterfaces(registry)
	v1types.RegisterInterfaces(registry)
}

// AppModule implements an application module for the cork module.
type AppModule struct {
	AppModuleBasic
	keeper keeper.Keeper
	cdc    codec.Codec
}

// NewAppModule creates a new AppModule object
func NewAppModule(keeper keeper.Keeper, cdc codec.Codec) AppModule {
	return AppModule{
		AppModuleBasic: AppModuleBasic{},
		keeper:         keeper,
		cdc:            cdc,
	}
}

// Name returns the cork module's name.
func (AppModule) Name() string { return corktypes.ModuleName }

// RegisterInvariants performs a no-op.
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}

// Route returns the message routing key for the cork module.
func (am AppModule) Route() sdk.Route {
	return sdk.NewRoute(corktypes.RouterKey, NewHandler(am.keeper))
}

// QuerierRoute returns the cork module's querier route name.
func (AppModule) QuerierRoute() string { return corktypes.QuerierRoute }

// LegacyQuerierHandler returns a nil Querier.
func (am AppModule) LegacyQuerierHandler(_ *codec.LegacyAmino) sdk.Querier {
	return nil
}

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

func (am AppModule) WeightedOperations(simState module.SimulationState) []sim.WeightedOperation {
	return nil
}

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

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

// InitGenesis performs genesis initialization for the cork module.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
	var genesisState types.GenesisState
	cdc.MustUnmarshalJSON(data, &genesisState)
	keeper.InitGenesis(ctx, am.keeper, genesisState)

	return []abci.ValidatorUpdate{}
}

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

// BeginBlock returns the begin blocker for the cork module.
func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
	am.keeper.BeginBlocker(ctx)
}

// EndBlock returns the end blocker for the cork module.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
	am.keeper.EndBlocker(ctx)
	return []abci.ValidatorUpdate{}
}

// AppModuleSimulation functions

// GenerateGenesisState creates a randomized GenState of the cork module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
}

// ProposalContents returns all the cork content functions used to
// simulate governance proposals.
func (am AppModule) ProposalContents(_ module.SimulationState) []sim.WeightedProposalContent {
	return nil
}

// RandomizedParams creates randomized cork param changes for the simulator.
func (AppModule) RandomizedParams(r *rand.Rand) []sim.ParamChange {
	return nil
}

// RegisterStoreDecoder registers a decoder for cork module's types
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
}