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module.go
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module.go
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package crisis
import (
"encoding/json"
"fmt"
"time"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/mycodeku/transtionhelper/client"
"github.com/mycodeku/transtionhelper/codec"
codectypes "github.com/mycodeku/transtionhelper/codec/types"
"github.com/mycodeku/transtionhelper/telemetry"
sdk "github.com/mycodeku/transtionhelper/types"
"github.com/mycodeku/transtionhelper/types/module"
"github.com/mycodeku/transtionhelper/x/crisis/client/cli"
"github.com/mycodeku/transtionhelper/x/crisis/keeper"
"github.com/mycodeku/transtionhelper/x/crisis/types"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
)
// Module init related flags
const (
FlagSkipGenesisInvariants = "x-crisis-skip-assert-invariants"
)
// AppModuleBasic defines the basic application module used by the crisis module.
type AppModuleBasic struct{}
// Name returns the crisis module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec registers the crisis module's types on the given LegacyAmino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// DefaultGenesis returns default genesis state as raw bytes for the crisis
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the crisis module.
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
var data types.GenesisState
if err := cdc.UnmarshalJSON(bz, &data); err != nil {
return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
}
return types.ValidateGenesis(&data)
}
// RegisterRESTRoutes registers REST routes for the crisis module.
// Deprecated: RegisterRESTRoutes is deprecated.
func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the capability module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(_ client.Context, _ *runtime.ServeMux) {}
// GetTxCmd returns the root tx command for the crisis module.
func (b AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.NewTxCmd()
}
// GetQueryCmd returns no root query command for the crisis module.
func (AppModuleBasic) GetQueryCmd() *cobra.Command { return nil }
// RegisterInterfaces registers interfaces and implementations of the crisis
// module.
func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// AppModule implements an application module for the crisis module.
type AppModule struct {
AppModuleBasic
// NOTE: We store a reference to the keeper here so that after a module
// manager is created, the invariants can be properly registered and
// executed.
keeper *keeper.Keeper
skipGenesisInvariants bool
}
// NewAppModule creates a new AppModule object. If initChainAssertInvariants is set,
// we will call keeper.AssertInvariants during InitGenesis (it may take a significant time)
// - which doesn't impact the chain security unless 66+% of validators have a wrongly
// modified genesis file.
func NewAppModule(keeper *keeper.Keeper, skipGenesisInvariants bool) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
skipGenesisInvariants: skipGenesisInvariants,
}
}
// AddModuleInitFlags implements servertypes.ModuleInitFlags interface.
func AddModuleInitFlags(startCmd *cobra.Command) {
startCmd.Flags().Bool(FlagSkipGenesisInvariants, false, "Skip x/crisis invariants check on startup")
}
// Name returns the crisis module's name.
func (AppModule) Name() string {
return types.ModuleName
}
// RegisterInvariants performs a no-op.
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
// Deprecated: Route returns the message routing key for the crisis module.
func (am AppModule) Route() sdk.Route {
return sdk.Route{}
}
// QuerierRoute returns no querier route.
func (AppModule) QuerierRoute() string { return "" }
// LegacyQuerierHandler returns no sdk.Querier.
func (AppModule) LegacyQuerierHandler(*codec.LegacyAmino) sdk.Querier { return nil }
// RegisterServices registers module services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), am.keeper)
}
// InitGenesis performs genesis initialization for the crisis module. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
start := time.Now()
var genesisState types.GenesisState
cdc.MustUnmarshalJSON(data, &genesisState)
telemetry.MeasureSince(start, "InitGenesis", "crisis", "unmarshal")
am.keeper.InitGenesis(ctx, &genesisState)
if !am.skipGenesisInvariants {
am.keeper.AssertInvariants(ctx)
}
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the exported genesis state as raw bytes for the crisis
// 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 1 }
// BeginBlock performs a no-op.
func (AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock returns the end blocker for the crisis module. It returns no validator
// updates.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
EndBlocker(ctx, *am.keeper)
return []abci.ValidatorUpdate{}
}