202 lines
6.7 KiB
Go
202 lines
6.7 KiB
Go
package staking
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import (
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"context"
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"encoding/json"
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"fmt"
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"math/rand"
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"github.com/gogo/protobuf/grpc"
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"github.com/grpc-ecosystem/grpc-gateway/runtime"
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"github.com/gorilla/mux"
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"github.com/spf13/cobra"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
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cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/staking/client/cli"
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"github.com/cosmos/cosmos-sdk/x/staking/client/rest"
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"github.com/cosmos/cosmos-sdk/x/staking/keeper"
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"github.com/cosmos/cosmos-sdk/x/staking/simulation"
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"github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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var (
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_ module.AppModule = AppModule{}
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_ module.AppModuleBasic = AppModuleBasic{}
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_ module.AppModuleSimulation = AppModule{}
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)
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// AppModuleBasic defines the basic application module used by the staking module.
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type AppModuleBasic struct {
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cdc codec.Marshaler
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}
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var _ module.AppModuleBasic = AppModuleBasic{}
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// Name returns the staking module's name.
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func (AppModuleBasic) Name() string {
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return types.ModuleName
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}
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// RegisterCodec registers the staking module's types for the given codec.
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func (AppModuleBasic) RegisterCodec(cdc *codec.LegacyAmino) {
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types.RegisterCodec(cdc)
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}
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// RegisterInterfaces registers the module's interface types
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func (b AppModuleBasic) RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
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types.RegisterInterfaces(registry)
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}
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// DefaultGenesis returns default genesis state as raw bytes for the staking
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// module.
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func (AppModuleBasic) DefaultGenesis(cdc codec.JSONMarshaler) json.RawMessage {
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return cdc.MustMarshalJSON(types.DefaultGenesisState())
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}
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// ValidateGenesis performs genesis state validation for the staking module.
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func (AppModuleBasic) ValidateGenesis(cdc codec.JSONMarshaler, config client.TxEncodingConfig, bz json.RawMessage) error {
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var data types.GenesisState
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if err := cdc.UnmarshalJSON(bz, &data); err != nil {
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return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
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}
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return ValidateGenesis(&data)
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}
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// RegisterRESTRoutes registers the REST routes for the staking module.
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func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router) {
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rest.RegisterHandlers(clientCtx, rtr)
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}
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// RegisterGRPCRoutes registers the gRPC Gateway routes for the staking module.
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func (AppModuleBasic) RegisterGRPCRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
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types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx))
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}
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// GetTxCmd returns the root tx command for the staking module.
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func (AppModuleBasic) GetTxCmd() *cobra.Command {
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return cli.NewTxCmd()
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}
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// GetQueryCmd returns no root query command for the staking module.
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func (AppModuleBasic) GetQueryCmd() *cobra.Command {
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return cli.GetQueryCmd()
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}
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// AppModule implements an application module for the staking module.
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type AppModule struct {
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AppModuleBasic
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keeper keeper.Keeper
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accountKeeper types.AccountKeeper
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bankKeeper types.BankKeeper
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}
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// NewAppModule creates a new AppModule object
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func NewAppModule(cdc codec.Marshaler, keeper keeper.Keeper, ak types.AccountKeeper, bk types.BankKeeper) AppModule {
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return AppModule{
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AppModuleBasic: AppModuleBasic{cdc: cdc},
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keeper: keeper,
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accountKeeper: ak,
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bankKeeper: bk,
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}
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}
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// Name returns the staking module's name.
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func (AppModule) Name() string {
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return types.ModuleName
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}
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// RegisterInvariants registers the staking module invariants.
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func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
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keeper.RegisterInvariants(ir, am.keeper)
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}
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// Route returns the message routing key for the staking module.
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func (am AppModule) Route() sdk.Route {
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return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper))
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}
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// QuerierRoute returns the staking module's querier route name.
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func (AppModule) QuerierRoute() string {
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return types.QuerierRoute
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}
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// LegacyQuerierHandler returns the staking module sdk.Querier.
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func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc codec.JSONMarshaler) sdk.Querier {
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return keeper.NewQuerier(am.keeper, legacyQuerierCdc)
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}
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// RegisterQueryService registers a GRPC query service to respond to the
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// module-specific GRPC queries.
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func (am AppModule) RegisterQueryService(server grpc.Server) {
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querier := keeper.Querier{Keeper: am.keeper}
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types.RegisterQueryServer(server, querier)
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}
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// InitGenesis performs genesis initialization for the staking module. It returns
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// no validator updates.
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func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONMarshaler, data json.RawMessage) []abci.ValidatorUpdate {
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var genesisState types.GenesisState
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cdc.MustUnmarshalJSON(data, &genesisState)
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return InitGenesis(ctx, am.keeper, am.accountKeeper, am.bankKeeper, &genesisState)
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}
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// ExportGenesis returns the exported genesis state as raw bytes for the staking
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// module.
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func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONMarshaler) json.RawMessage {
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gs := ExportGenesis(ctx, am.keeper)
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return cdc.MustMarshalJSON(gs)
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}
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// BeginBlock returns the begin blocker for the staking module.
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func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {
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BeginBlocker(ctx, am.keeper)
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}
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// EndBlock returns the end blocker for the staking module. It returns no validator
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// updates.
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func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
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return EndBlocker(ctx, am.keeper)
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}
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//____________________________________________________________________________
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// AppModuleSimulation functions
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// GenerateGenesisState creates a randomized GenState of the staking module.
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func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
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simulation.RandomizedGenState(simState)
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}
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// ProposalContents doesn't return any content functions for governance proposals.
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func (AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent {
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return nil
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}
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// RandomizedParams creates randomized staking param changes for the simulator.
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func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
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return simulation.ParamChanges(r)
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}
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// RegisterStoreDecoder registers a decoder for staking module's types
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func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
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sdr[types.StoreKey] = simulation.NewDecodeStore(am.cdc)
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}
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// WeightedOperations returns the all the staking module operations with their respective weights.
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func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
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return simulation.WeightedOperations(
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simState.AppParams, simState.Cdc, am.accountKeeper, am.bankKeeper, am.keeper,
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)
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}
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