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module.go
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module.go
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package evidence
import (
"context"
"encoding/json"
"fmt"
gwruntime "github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
modulev1 "cosmossdk.io/api/cosmos/evidence/module/v1"
"cosmossdk.io/core/appmodule"
"cosmossdk.io/depinject"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
store "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
eviclient "github.com/cosmos/cosmos-sdk/x/evidence/client"
"github.com/cosmos/cosmos-sdk/x/evidence/client/cli"
"github.com/cosmos/cosmos-sdk/x/evidence/keeper"
"github.com/cosmos/cosmos-sdk/x/evidence/simulation"
"github.com/cosmos/cosmos-sdk/x/evidence/types"
)
var (
_ module.BeginBlockAppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
// ----------------------------------------------------------------------------
// AppModuleBasic
// ----------------------------------------------------------------------------
// AppModuleBasic implements the AppModuleBasic interface for the evidence module.
type AppModuleBasic struct {
evidenceHandlers []eviclient.EvidenceHandler // eviclient evidence submission handlers
}
// NewAppModuleBasic creates a AppModuleBasic without the codec.
func NewAppModuleBasic(evidenceHandlers ...eviclient.EvidenceHandler) AppModuleBasic {
return AppModuleBasic{
evidenceHandlers: evidenceHandlers,
}
}
// Name returns the evidence module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec registers the evidence module's types to the LegacyAmino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// DefaultGenesis returns the evidence module's default genesis state.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the evidence module.
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
var gs types.GenesisState
if err := cdc.UnmarshalJSON(bz, &gs); err != nil {
return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
}
return gs.Validate()
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the evidence module.
func (a AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *gwruntime.ServeMux) {
if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
panic(err)
}
}
// GetTxCmd returns the evidence module's root tx command.
func (a AppModuleBasic) GetTxCmd() *cobra.Command {
evidenceCLIHandlers := make([]*cobra.Command, len(a.evidenceHandlers))
for i, evidenceHandler := range a.evidenceHandlers {
evidenceCLIHandlers[i] = evidenceHandler.CLIHandler()
}
return cli.GetTxCmd(evidenceCLIHandlers)
}
// GetQueryCmd returns the evidence module's root query command.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
// RegisterInterfaces registers the evidence module's interface types
func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// ----------------------------------------------------------------------------
// AppModule
// ----------------------------------------------------------------------------
// AppModule implements the AppModule interface for the evidence module.
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
}
// NewAppModule creates a new AppModule object.
func NewAppModule(keeper keeper.Keeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
}
}
var _ appmodule.AppModule = AppModule{}
// IsOnePerModuleType implements the depinject.OnePerModuleType interface.
func (am AppModule) IsOnePerModuleType() {}
// IsAppModule implements the appmodule.AppModule interface.
func (am AppModule) IsAppModule() {}
// Name returns the evidence module's name.
func (am AppModule) Name() string {
return am.AppModuleBasic.Name()
}
// RegisterServices registers module services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
}
// RegisterInvariants registers the evidence module's invariants.
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {}
// InitGenesis performs the evidence module's genesis initialization It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, bz json.RawMessage) []abci.ValidatorUpdate {
var gs types.GenesisState
err := cdc.UnmarshalJSON(bz, &gs)
if err != nil {
panic(fmt.Sprintf("failed to unmarshal %s genesis state: %s", types.ModuleName, err))
}
InitGenesis(ctx, am.keeper, &gs)
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the evidence module's exported genesis state as raw JSON bytes.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(ExportGenesis(ctx, am.keeper))
}
// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 1 }
// BeginBlock executes all ABCI BeginBlock logic respective to the evidence module.
func (am AppModule) BeginBlock(ctx sdk.Context, req abci.RequestBeginBlock) {
BeginBlocker(ctx, req, am.keeper)
}
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the evidence module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// RegisterStoreDecoder registers a decoder for evidence module's types
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
sdr[types.StoreKey] = simulation.NewDecodeStore(am.keeper)
}
// WeightedOperations returns the all the gov module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
return nil
}
//
// App Wiring Setup
//
func init() {
appmodule.Register(&modulev1.Module{},
appmodule.Provide(ProvideModule),
)
}
type EvidenceInputs struct {
depinject.In
Key *store.KVStoreKey
Cdc codec.Codec
StakingKeeper types.StakingKeeper
SlashingKeeper types.SlashingKeeper
}
type EvidenceOutputs struct {
depinject.Out
EvidenceKeeper keeper.Keeper
Module appmodule.AppModule
}
func ProvideModule(in EvidenceInputs) EvidenceOutputs {
k := keeper.NewKeeper(in.Cdc, in.Key, in.StakingKeeper, in.SlashingKeeper)
m := NewAppModule(*k)
return EvidenceOutputs{EvidenceKeeper: *k, Module: m}
}