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module.go
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module.go
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package pricefeed
import (
"encoding/json"
"math/rand"
"github.com/gorilla/mux"
"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
sim "github.com/cosmos/cosmos-sdk/x/simulation"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/kava-labs/kava/x/pricefeed/client/cli"
"github.com/kava-labs/kava/x/pricefeed/client/rest"
"github.com/kava-labs/kava/x/pricefeed/simulation"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModuleSimulation{}
)
// AppModuleBasic app module basics object
type AppModuleBasic struct{}
// Name get module name
func (AppModuleBasic) Name() string {
return ModuleName
}
// RegisterCodec register module codec
func (AppModuleBasic) RegisterCodec(cdc *codec.Codec) {
RegisterCodec(cdc)
}
// DefaultGenesis default genesis state
func (AppModuleBasic) DefaultGenesis() json.RawMessage {
return ModuleCdc.MustMarshalJSON(DefaultGenesisState())
}
// ValidateGenesis module validate genesis
func (AppModuleBasic) ValidateGenesis(bz json.RawMessage) error {
var gs GenesisState
err := ModuleCdc.UnmarshalJSON(bz, &gs)
if err != nil {
return err
}
return gs.Validate()
}
// RegisterRESTRoutes register rest routes
func (AppModuleBasic) RegisterRESTRoutes(ctx context.CLIContext, rtr *mux.Router) {
rest.RegisterRoutes(ctx, rtr)
}
// GetTxCmd get the root tx command of this module
func (AppModuleBasic) GetTxCmd(cdc *codec.Codec) *cobra.Command {
return cli.GetTxCmd(StoreKey, cdc)
}
// GetQueryCmd get the root query command of this module
func (AppModuleBasic) GetQueryCmd(cdc *codec.Codec) *cobra.Command {
return cli.GetQueryCmd(StoreKey, cdc)
}
//____________________________________________________________________________
// AppModuleSimulation defines the module simulation functions used by the pricefeed module.
type AppModuleSimulation struct{}
// RegisterStoreDecoder registers a decoder for pricefeed module's types
func (AppModuleSimulation) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
sdr[StoreKey] = simulation.DecodeStore
}
// GenerateGenesisState creates a randomized GenState of the pricefeed module
func (AppModuleSimulation) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// RandomizedParams creates randomized pricefeed param changes for the simulator.
func (AppModuleSimulation) RandomizedParams(r *rand.Rand) []sim.ParamChange {
return simulation.ParamChanges(r)
}
//____________________________________________________________________________
// AppModule app module type
type AppModule struct {
AppModuleBasic
AppModuleSimulation
keeper Keeper
}
// NewAppModule creates a new AppModule object
func NewAppModule(keeper Keeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
}
}
// Name module name
func (AppModule) Name() string {
return ModuleName
}
// RegisterInvariants register module invariants
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
// Route module message route name
func (AppModule) Route() string {
return ModuleName
}
// NewHandler module handler
func (am AppModule) NewHandler() sdk.Handler {
return NewHandler(am.keeper)
}
// QuerierRoute module querier route name
func (AppModule) QuerierRoute() string {
return ModuleName
}
// NewQuerierHandler module querier
func (am AppModule) NewQuerierHandler() sdk.Querier {
return NewQuerier(am.keeper)
}
// BeginBlock module begin-block
func (AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock module end-block
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
EndBlocker(ctx, am.keeper)
return []abci.ValidatorUpdate{}
}
// InitGenesis module init-genesis
func (am AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.ValidatorUpdate {
var genesisState GenesisState
ModuleCdc.MustUnmarshalJSON(data, &genesisState)
InitGenesis(ctx, am.keeper, genesisState)
return []abci.ValidatorUpdate{}
}
// ExportGenesis module export genesis
func (am AppModule) ExportGenesis(ctx sdk.Context) json.RawMessage {
gs := ExportGenesis(ctx, am.keeper)
return ModuleCdc.MustMarshalJSON(gs)
}