module.go

package genutil

import (
	"encoding/json"

	"github.com/cosmos/cosmos-sdk/codec"
	sdk "github.com/cosmos/cosmos-sdk/types"
	abci "github.com/tendermint/tendermint/abci/types"
)

const moduleName = "genutil"

// app module basics object
type AppModuleBasic struct{}

var _ sdk.AppModuleBasic = AppModuleBasic{}

// module name
func (AppModuleBasic) Name() string {
	return ModuleName
}

// module name
func (AppModuleBasic) RegisterCodec(cdc *codec.Codec) {}

// module name
func (AppModuleBasic) DefaultGenesis() json.RawMessage { return nil }

// module validate genesis
func (AppModuleBasic) ValidateGenesis(cdc *codec.Codec, bz json.RawMessage) error {
	var data GenesisState
	err := ModuleCdc.UnmarshalJSON(bz, &data)
	if err != nil {
		return err
	}
	return ValidateGenesis(cdc, data)
}

//___________________________
// app module
type AppModule struct {
	AppModuleBasic
	accoutKeeper  AccountKeeper
	stakingKeeper StakingKeeper
	cdc           *codec.Codec
	deliverTx     deliverTxfn
}

// NewAppModule creates a new AppModule object
func NewAppModule(accoutKeeper AccountKeeper, stakingKeeper StakingKeeper,
	cdc *codec.Codec, deliverTx deliverTxfn) AppModule {

	return AppModule{
		AppModuleBasic: AppModuleBasic{},
		accoutKeeper:   accoutKeeper,
		stakingKeeper:  stakingKeeper,
		cdc:            cdc,
		deliverTx:      deliverTx,
	}
}

var _ sdk.AppModule = AppModule{}

// register invariants
func (AppModule) RegisterInvariants(_ sdk.InvariantRouter) {}

// module message route name
func (AppModule) Route() string { return "" }

// module handler
func (AppModule) NewHandler() sdk.Handler { return nil }

// module querier route name
func (AppModule) QuerierRoute() string { return "" }

// module querier
func (a AppModule) NewQuerierHandler() sdk.Querier { return nil }

// module init-genesis
func (a AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.ValidatorUpdate {
	var genesisState GenesisState
	ModuleCdc.MustUnmarshalJSON(data, &genesisState)
	return InitGenesis(ctx, a.cdc, a.accountKeeper, a.stakingKeeper, a.deliverTx, genesisState)
}

// module export genesis
func (a AppModule) ExportGenesis(ctx sdk.Context) json.RawMessage {
	gs := ExportGenesis(ctx, a.accountKeeper)
	return ModuleCdc.MustMarshalJSON(gs)
}

// module begin-block
func (a AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) sdk.Tags {
	return sdk.EmptyTags()
}

// module end-block
func (AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) ([]abci.ValidatorUpdate, sdk.Tags) {
	return []abci.ValidatorUpdate{}, sdk.EmptyTags()
}