package evm import ( "context" "encoding/json" "fmt" "math/rand" "github.com/gorilla/mux" "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" simtypes "github.com/cosmos/cosmos-sdk/types/simulation" "github.com/tharsis/ethermint/x/evm/client/cli" "github.com/tharsis/ethermint/x/evm/keeper" "github.com/tharsis/ethermint/x/evm/simulation" "github.com/tharsis/ethermint/x/evm/types" ) var ( _ module.AppModule = AppModule{} _ module.AppModuleBasic = AppModuleBasic{} ) // AppModuleBasic defines the basic application module used by the evm module. type AppModuleBasic struct{} // Name returns the evm module's name. func (AppModuleBasic) Name() string { return types.ModuleName } // RegisterLegacyAminoCodec performs a no-op as the evm module doesn't support amino. func (AppModuleBasic) RegisterLegacyAminoCodec(_ *codec.LegacyAmino) { } // ConsensusVersion returns the consensus state-breaking version for the module. func (AppModuleBasic) ConsensusVersion() uint64 { return 1 } // DefaultGenesis returns default genesis state as raw bytes for the evm // module. func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage { return cdc.MustMarshalJSON(types.DefaultGenesisState()) } // ValidateGenesis is the validation check of the Genesis func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error { var genesisState types.GenesisState if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil { return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err) } return genesisState.Validate() } // RegisterRESTRoutes performs a no-op as the EVM module doesn't expose REST // endpoints func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router) { } func (b AppModuleBasic) RegisterGRPCGatewayRoutes(c client.Context, serveMux *runtime.ServeMux) { if err := types.RegisterQueryHandlerClient(context.Background(), serveMux, types.NewQueryClient(c)); err != nil { panic(err) } } // GetTxCmd returns the root tx command for the evm module. func (AppModuleBasic) GetTxCmd() *cobra.Command { return nil } // GetQueryCmd returns no root query command for the evm module. func (AppModuleBasic) GetQueryCmd() *cobra.Command { return cli.GetQueryCmd() } // RegisterInterfaces registers interfaces and implementations of the evm module. func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) { types.RegisterInterfaces(registry) } // ____________________________________________________________________________ // AppModule implements an application module for the evm module. type AppModule struct { AppModuleBasic keeper *keeper.Keeper ak types.AccountKeeper } // NewAppModule creates a new AppModule object func NewAppModule(k *keeper.Keeper, ak types.AccountKeeper) AppModule { return AppModule{ AppModuleBasic: AppModuleBasic{}, keeper: k, ak: ak, } } // Name returns the evm module's name. func (AppModule) Name() string { return types.ModuleName } // RegisterInvariants interface for registering invariants. Performs a no-op // as the evm module doesn't expose invariants. func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) { // Invariats lead to performance degradation // // keeper.RegisterInvariants(ir, *am.keeper) } // RegisterQueryService registers a GRPC query service to respond to the // module-specific GRPC queries. func (am AppModule) RegisterServices(cfg module.Configurator) { types.RegisterQueryServer(cfg.QueryServer(), am.keeper) } // Route returns the message routing key for the evm module. func (am AppModule) Route() sdk.Route { return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper)) } // QuerierRoute returns the evm module's querier route name. func (AppModule) QuerierRoute() string { return types.RouterKey } // LegacyQuerierHandler returns nil as the evm module doesn't expose a legacy // Querier. func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier { return nil } // BeginBlock returns the begin block for the evm module. func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) { am.keeper.BeginBlock(ctx, req) } // EndBlock returns the end blocker for the evm module. It returns no validator // updates. func (am AppModule) EndBlock(ctx sdk.Context, req abci.RequestEndBlock) []abci.ValidatorUpdate { return am.keeper.EndBlock(ctx, req) } // InitGenesis performs genesis initialization for the evm module. It returns // no validator updates. func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate { var genesisState types.GenesisState cdc.MustUnmarshalJSON(data, &genesisState) InitGenesis(ctx, am.keeper, am.ak, genesisState) return []abci.ValidatorUpdate{} } // ExportGenesis returns the exported genesis state as raw bytes for the evm // module. func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage { gs := ExportGenesis(ctx, am.keeper, am.ak) return cdc.MustMarshalJSON(gs) } // RandomizedParams creates randomized evm param changes for the simulator. func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange { return nil } // RegisterStoreDecoder registers a decoder for evm module's types func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {} // ProposalContents doesn't return any content functions for governance proposals. func (AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent { return nil } // GenerateGenesisState creates a randomized GenState of the evm module. func (AppModule) GenerateGenesisState(simState *module.SimulationState) { simulation.RandomizedGenState(simState) } // WeightedOperations returns the all the evm module operations with their respective weights. func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation { return nil }