cosmos-sdk/x/slashing/module.go
2025-07-25 14:14:05 -04:00

258 lines
8.6 KiB
Go

package slashing
import (
"context"
"encoding/json"
"fmt"
gwruntime "github.com/grpc-ecosystem/grpc-gateway/runtime"
modulev1 "cosmossdk.io/api/cosmos/slashing/module/v1"
"cosmossdk.io/core/appmodule"
store "cosmossdk.io/core/store"
"cosmossdk.io/depinject"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/testutil/simsx"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
"github.com/cosmos/cosmos-sdk/x/slashing/exported"
"github.com/cosmos/cosmos-sdk/x/slashing/keeper"
"github.com/cosmos/cosmos-sdk/x/slashing/simulation"
"github.com/cosmos/cosmos-sdk/x/slashing/types"
staking "github.com/cosmos/cosmos-sdk/x/staking/types"
)
// ConsensusVersion defines the current x/slashing module consensus version.
const ConsensusVersion = 4
var (
_ module.AppModuleBasic = AppModule{}
_ module.AppModuleSimulation = AppModule{}
_ module.HasGenesis = AppModule{}
_ module.HasServices = AppModule{}
_ appmodule.AppModule = AppModule{}
_ appmodule.HasBeginBlocker = AppModule{}
)
// AppModuleBasic defines the basic application module used by the slashing module.
type AppModuleBasic struct {
cdc codec.Codec
}
// Name returns the slashing module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec registers the slashing module's types for the given codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// RegisterInterfaces registers the module's interface types
func (b AppModuleBasic) RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// DefaultGenesis returns default genesis state as raw bytes for the slashing
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the slashing module.
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
var data types.GenesisState
if err := cdc.UnmarshalJSON(bz, &data); err != nil {
return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
}
return types.ValidateGenesis(data)
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the slashing module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *gwruntime.ServeMux) {
if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
panic(err)
}
}
// AppModule implements an application module for the slashing module.
type AppModule struct {
AppModuleBasic
registry cdctypes.InterfaceRegistry
keeper keeper.Keeper
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
stakingKeeper types.StakingKeeper
// legacySubspace is used solely for migration of x/slashing managed parameters
legacySubspace exported.Subspace
}
// NewAppModule creates a new AppModule object
func NewAppModule(
cdc codec.Codec,
keeper keeper.Keeper,
ak types.AccountKeeper,
bk types.BankKeeper,
sk types.StakingKeeper,
ss exported.Subspace,
registry cdctypes.InterfaceRegistry,
) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{cdc: cdc},
keeper: keeper,
accountKeeper: ak,
bankKeeper: bk,
stakingKeeper: sk,
legacySubspace: ss,
}
}
// IsOnePerModuleType implements the depinject.OnePerModuleType interface.
func (am AppModule) IsOnePerModuleType() {}
// IsAppModule implements the appmodule.AppModule interface.
func (am AppModule) IsAppModule() {}
// 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)
m := keeper.NewMigrator(am.keeper, am.legacySubspace)
if err := cfg.RegisterMigration(types.ModuleName, 1, m.Migrate1to2); err != nil {
panic(fmt.Sprintf("failed to migrate x/%s from version 1 to 2: %v", types.ModuleName, err))
}
if err := cfg.RegisterMigration(types.ModuleName, 2, m.Migrate2to3); err != nil {
panic(fmt.Sprintf("failed to migrate x/%s from version 2 to 3: %v", types.ModuleName, err))
}
if err := cfg.RegisterMigration(types.ModuleName, 3, m.Migrate3to4); err != nil {
panic(fmt.Sprintf("failed to migrate x/%s from version 3 to 4: %v", types.ModuleName, err))
}
}
// InitGenesis performs genesis initialization for the slashing module. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) {
var genesisState types.GenesisState
cdc.MustUnmarshalJSON(data, &genesisState)
am.keeper.InitGenesis(ctx, am.stakingKeeper, &genesisState)
}
// ExportGenesis returns the exported genesis state as raw bytes for the slashing
// module.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
gs := am.keeper.ExportGenesis(ctx)
return cdc.MustMarshalJSON(gs)
}
// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return ConsensusVersion }
// BeginBlock returns the begin blocker for the slashing module.
func (am AppModule) BeginBlock(ctx context.Context) error {
return BeginBlocker(ctx, am.keeper)
}
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the slashing module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// ProposalMsgs returns msgs used for governance proposals for simulations.
// migrate to WeightedOperationsX. This method is ignored when WeightedOperationsX exists and will be removed in the future
func (AppModule) ProposalMsgs(simState module.SimulationState) []simtypes.WeightedProposalMsg {
return simulation.ProposalMsgs()
}
// RegisterStoreDecoder registers a decoder for slashing module's types
func (am AppModule) RegisterStoreDecoder(sdr simtypes.StoreDecoderRegistry) {
sdr[types.StoreKey] = simulation.NewDecodeStore(am.cdc)
}
// ProposalMsgsX returns msgs used for governance proposals for simulations.
func (AppModule) ProposalMsgsX(weights simsx.WeightSource, reg simsx.Registry) {
reg.Add(weights.Get("msg_update_params", 100), simulation.MsgUpdateParamsFactory())
}
// WeightedOperations returns the all the slashing module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
return simulation.WeightedOperations(
am.registry, simState.AppParams, simState.Cdc, simState.TxConfig,
am.accountKeeper, am.bankKeeper, am.keeper, am.stakingKeeper,
)
}
// WeightedOperationsX registers weighted slashing module operations for simulation.
func (am AppModule) WeightedOperationsX(weights simsx.WeightSource, reg simsx.Registry) {
// note: using old keys for backwards compatibility
reg.Add(weights.Get("msg_unjail", 20), simulation.MsgUnjailFactory(am.keeper, am.stakingKeeper))
}
//
// App Wiring Setup
//
func init() {
appmodule.Register(
&modulev1.Module{},
appmodule.Provide(ProvideModule),
)
}
type ModuleInputs struct {
depinject.In
Config *modulev1.Module
StoreService store.KVStoreService
Cdc codec.Codec
LegacyAmino *codec.LegacyAmino
Registry cdctypes.InterfaceRegistry
AccountKeeper types.AccountKeeper
BankKeeper types.BankKeeper
StakingKeeper types.StakingKeeper
// LegacySubspace is used solely for migration of x/params managed parameters
LegacySubspace exported.Subspace `optional:"true"`
}
type ModuleOutputs struct {
depinject.Out
Keeper keeper.Keeper
Module appmodule.AppModule
Hooks staking.StakingHooksWrapper
}
func ProvideModule(in ModuleInputs) ModuleOutputs {
// default to governance authority if not provided
authority := authtypes.NewModuleAddress(govtypes.ModuleName)
if in.Config.Authority != "" {
authority = authtypes.NewModuleAddressOrBech32Address(in.Config.Authority)
}
k := keeper.NewKeeper(in.Cdc, in.LegacyAmino, in.StoreService, in.StakingKeeper, authority.String())
m := NewAppModule(in.Cdc, k, in.AccountKeeper, in.BankKeeper, in.StakingKeeper, in.LegacySubspace, in.Registry)
return ModuleOutputs{
Keeper: k,
Module: m,
Hooks: staking.StakingHooksWrapper{StakingHooks: k.Hooks()},
}
}