module.go

package pubsub

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

	"github.com/grpc-ecosystem/grpc-gateway/runtime"
	"github.com/spf13/cobra"

	abci "github.com/tendermint/tendermint/abci/types"

	"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/peggyjv/sommelier/v7/x/pubsub/client/cli"
	"github.com/peggyjv/sommelier/v7/x/pubsub/keeper"
	"github.com/peggyjv/sommelier/v7/x/pubsub/types"
)

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

// ----------------------------------------------------------------------------
// AppModuleBasic
// ----------------------------------------------------------------------------

// AppModuleBasic implements the AppModuleBasic interface for the module.
type AppModuleBasic struct{}

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

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

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

// ValidateGenesis performs genesis state validation for the 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()
}

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

// GetQueryCmd returns the module's root query command.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
	return cli.GetQueryCmd(types.StoreKey)
}

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

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

// ----------------------------------------------------------------------------
// AppModule
// ----------------------------------------------------------------------------

// AppModule implements the AppModule interface for the capability module.
type AppModule struct {
	AppModuleBasic
	cdc           codec.Codec
	keeper        keeper.Keeper
	stakingKeeper types.StakingKeeper
	gravityKeeper types.GravityKeeper
}

func NewAppModule(
	cdc codec.Codec,
	keeper keeper.Keeper,
	stakingKeeper types.StakingKeeper,
	gravityKeeper types.GravityKeeper,
) AppModule {
	return AppModule{
		AppModuleBasic: AppModuleBasic{},
		cdc:            cdc,
		keeper:         keeper,
		stakingKeeper:  stakingKeeper,
		gravityKeeper:  gravityKeeper,
	}
}

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

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

// Route returns the module's message routing key.
func (am AppModule) Route() sdk.Route {
	return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper))
}

// QuerierRoute returns the module's query routing key.
func (AppModule) QuerierRoute() string { return types.QuerierRoute }

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

// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 1 }

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)
}

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

	return []abci.ValidatorUpdate{}
}

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

// BeginBlock executes all ABCI BeginBlock logic respective to the module.
func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
	am.keeper.BeginBlocker(ctx)
}

// EndBlock executes all ABCI EndBlock logic respective to the module. It
// returns no validator updates.
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 module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {}

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

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

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