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module.go
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module.go
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// Copyright 2022 Evmos Foundation
// This file is part of the Evmos Network packages.
//
// Evmos 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 Evmos packages are 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 Evmos packages. If not, see https://github.com/evmos/evmos/blob/main/LICENSE
package erc20
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"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"
authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/qom-one/qomapp/v1/x/erc20/client/cli"
"github.com/qom-one/qomapp/v1/x/erc20/keeper"
"github.com/qom-one/qomapp/v1/x/erc20/types"
)
// type check to ensure the interface is properly implemented
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
// app module Basics object
type AppModuleBasic struct{}
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec performs a no-op as the erc20 doesn't support Amino encoding
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// ConsensusVersion returns the consensus state-breaking version for the module.
func (AppModuleBasic) ConsensusVersion() uint64 {
return 3
}
// RegisterInterfaces registers interfaces and implementations of the erc20 module.
func (AppModuleBasic) RegisterInterfaces(interfaceRegistry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(interfaceRegistry)
}
// DefaultGenesis returns default genesis state as raw bytes for the erc20
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
func (b 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 erc20 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 erc20 module.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.NewTxCmd()
}
// GetQueryCmd returns no root query command for the erc20 module.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
ak authkeeper.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 authkeeper.AccountKeeper,
ss types.Subspace,
) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: k,
ak: ak,
legacySubspace: ss,
}
}
func (AppModule) Name() string {
return types.ModuleName
}
func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
func (am AppModule) NewHandler() sdk.Handler {
return NewHandler(&am.keeper)
}
func (am AppModule) Route() sdk.Route {
return sdk.NewRoute(types.RouterKey, am.NewHandler())
}
func (am AppModule) QuerierRoute() string {
return types.RouterKey
}
func (am AppModule) LegacyQuerierHandler(_ *codec.LegacyAmino) sdk.Querier {
return nil
}
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), &am.keeper)
types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
migrator := keeper.NewMigrator(am.keeper, am.legacySubspace)
// NOTE: the migrations below will only run if the consensus version has changed
// since the last release
// register v2 -> v3 migration
if err := cfg.RegisterMigration(types.ModuleName, 2, migrator.Migrate2to3); err != nil {
panic(fmt.Errorf("failed to migrate %s to v2: %w", types.ModuleName, err))
}
}
func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {
}
func (am AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
return []abci.ValidatorUpdate{}
}
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{}
}
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
gs := ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(gs)
}
func (am AppModule) GenerateGenesisState(_ *module.SimulationState) {
}
func (am AppModule) ProposalContents(_ module.SimulationState) []simtypes.WeightedProposalContent {
return []simtypes.WeightedProposalContent{}
}
func (am AppModule) RandomizedParams(_ *rand.Rand) []simtypes.ParamChange {
return []simtypes.ParamChange{}
}
func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
}
func (am AppModule) WeightedOperations(_ module.SimulationState) []simtypes.WeightedOperation {
return []simtypes.WeightedOperation{}
}