laconicd/x/evm/module.go

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package evm
import (
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"context"
"encoding/json"
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"fmt"
"github.com/gorilla/mux"
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"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
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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"
)
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var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
)
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// AppModuleBasic defines the basic application module used by the evm module.
type AppModuleBasic struct{}
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// Name returns the evm module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
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// RegisterLegacyAminoCodec performs a no-op as the evm module doesn't support amino.
func (AppModuleBasic) RegisterLegacyAminoCodec(_ *codec.LegacyAmino) {
}
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// 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
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func (AppModuleBasic) ValidateGenesis(cdc codec.JSONMarshaler, _ client.TxEncodingConfig, bz json.RawMessage) error {
var genesisState types.GenesisState
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if err := cdc.UnmarshalJSON(bz, &genesisState); err != nil {
return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
}
return genesisState.Validate()
}
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// RegisterRESTRoutes performs a no-op as the EVM module doesn't expose REST
// endpoints
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func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router) {
}
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func (b AppModuleBasic) RegisterGRPCGatewayRoutes(c client.Context, serveMux *runtime.ServeMux) {
if err := types.RegisterQueryHandlerClient(context.Background(), serveMux, types.NewQueryClient(c)); err != nil {
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panic(err)
}
}
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// GetTxCmd returns the root tx command for the evm module.
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func (AppModuleBasic) GetTxCmd() *cobra.Command {
return nil
}
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// 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)
}
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//____________________________________________________________________________
// AppModule implements an application module for the evm module.
type AppModule struct {
AppModuleBasic
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keeper *keeper.Keeper
ak types.AccountKeeper
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bk types.BankKeeper
}
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// NewAppModule creates a new AppModule object
func NewAppModule(k *keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: k,
ak: ak,
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bk: bk,
}
}
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// Name returns the evm module's name.
func (AppModule) Name() string {
return types.ModuleName
}
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// RegisterInvariants interface for registering invariants. Performs a no-op
// as the evm module doesn't expose invariants.
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
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// Invariats lead to performance degradation
//
// keeper.RegisterInvariants(ir, *am.keeper)
}
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// RegisterQueryService registers a GRPC query service to respond to the
// module-specific GRPC queries.
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func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
}
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// Route returns the message routing key for the evm module.
func (am AppModule) Route() sdk.Route {
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return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper))
}
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// QuerierRoute returns the evm module's querier route name.
func (AppModule) QuerierRoute() string { return types.RouterKey }
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// LegacyQuerierHandler returns nil as the evm module doesn't expose a legacy
// Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return nil
}
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// BeginBlock returns the begin block for the evm module.
func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
am.keeper.BeginBlock(ctx, req)
}
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// 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)
}
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// 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
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cdc.MustUnmarshalJSON(data, &genesisState)
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InitGenesis(ctx, *am.keeper, am.ak, am.bk, genesisState)
return []abci.ValidatorUpdate{}
}
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// 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)
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return cdc.MustMarshalJSON(gs)
}