laconicd/x/evm/module.go
Federico Kunze 0c6e44d3d3
evm: remove CommitStateDB, journal and stateObject (#84)
* evm: remove CommitStateDB and stateObject

* imported build fixes

* lint

* rm set nonce

* update account response

* changelog
2021-06-08 13:10:29 -04:00

162 lines
5.1 KiB
Go

package evm
import (
"context"
"encoding/json"
"fmt"
"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"
"github.com/cosmos/ethermint/x/evm/client/cli"
"github.com/cosmos/ethermint/x/evm/keeper"
"github.com/cosmos/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) {
}
// DefaultGenesis returns default genesis state as raw bytes for the evm
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONMarshaler) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis is the validation check of the Genesis
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONMarshaler, _ 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.JSONMarshaler, 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.JSONMarshaler) json.RawMessage {
gs := ExportGenesis(ctx, am.keeper, am.ak)
return cdc.MustMarshalJSON(gs)
}