/
module.go
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/
module.go
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// Copyright 2021 Evmos Foundation
// This file is part of Evmos' Ethermint library.
//
// The Ethermint library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Ethermint library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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/Timwood0x10/sei-chain/x/evm/client/cli"
"github.com/Timwood0x10/sei-chain/x/evm/keeper"
"github.com/Timwood0x10/sei-chain/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 registers the module's types with the given codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// ConsensusVersion returns the consensus state-breaking version for the module.
func (AppModuleBasic) ConsensusVersion() uint64 {
return 5
}
// 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(_ client.Context, _ *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 cli.GetTxCmd()
}
// 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
// legacySubspace is used solely for migration of x/params managed parameters
legacySubspace types.Subspace
}
// NewAppModule creates a new AppModule object
func NewAppModule(k *keeper.Keeper, ak types.AccountKeeper, ss types.Subspace) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: k,
ak: ak,
legacySubspace: ss,
}
}
// 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(_ sdk.InvariantRegistry) {
}
// RegisterServices registers a GRPC query service to respond to the
// module-specific GRPC queries.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), am.keeper)
types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
m := keeper.NewMigrator(*am.keeper, am.legacySubspace)
err := cfg.RegisterMigration(types.ModuleName, 3, m.Migrate3to4)
if err != nil {
panic(err)
}
if err := cfg.RegisterMigration(types.ModuleName, 4, m.Migrate4to5); err != nil {
panic(err)
}
}
// 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(_ *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(_ *rand.Rand) []simtypes.ParamChange {
return nil
}
// RegisterStoreDecoder registers a decoder for evm module's types
func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
}
// ProposalContents doesn't return any content functions for governance proposals.
func (AppModule) ProposalContents(_ module.SimulationState) []simtypes.WeightedProposalContent {
return nil
}
// GenerateGenesisState creates a randomized GenState of the evm module.
func (AppModule) GenerateGenesisState(_ *module.SimulationState) {
}
// WeightedOperations returns the all the evm module operations with their respective weights.
func (am AppModule) WeightedOperations(_ module.SimulationState) []simtypes.WeightedOperation {
return nil
}