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module.go
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module.go
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package gravity
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
"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"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/treasurenetprotocol/treasurenet/x/gravity/client/cli"
"github.com/treasurenetprotocol/treasurenet/x/gravity/client/rest"
"github.com/treasurenetprotocol/treasurenet/x/gravity/keeper"
"github.com/treasurenetprotocol/treasurenet/x/gravity/types"
)
// type check to ensure the interface is properly implemented
var (
_ module.AppModule = AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper.Keeper{
StakingKeeper: nil,
SlashingKeeper: nil,
AttestationHandler: nil,
},
bankKeeper: nil,
}
_ module.AppModuleBasic = AppModuleBasic{}
)
// AppModuleBasic object for module implementation
type AppModuleBasic struct{}
// Name implements app module basic
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec implements app module basic
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterCodec(cdc)
}
// DefaultGenesis implements app module basic
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis implements app module basic
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ 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 data.ValidateBasic()
}
// RegisterRESTRoutes implements app module basic
func (AppModuleBasic) RegisterRESTRoutes(ctx client.Context, rtr *mux.Router) {
rest.RegisterRoutes(ctx, rtr, types.StoreKey)
}
// GetQueryCmd implements app module basic
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
// GetTxCmd implements app module basic
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd(types.StoreKey)
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the distribution module.
// also implements app module basic
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx))
if err != nil {
panic("Failed to register query handler")
}
}
// RegisterInterfaces implements app module basic
func (b AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// ___________________________________________________________________________
// AppModule object for module implementation
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
bankKeeper bankkeeper.Keeper
}
func (am AppModule) ConsensusVersion() uint64 {
return 3
}
// NewAppModule creates a new AppModule Object
func NewAppModule(k keeper.Keeper, bankKeeper bankkeeper.Keeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: k,
bankKeeper: bankKeeper,
}
}
// Name implements app module
func (AppModule) Name() string {
return types.ModuleName
}
// RegisterInvariants implements app module
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
ir.RegisterRoute(types.ModuleName, "module-balance", keeper.ModuleBalanceInvariant(am.keeper))
}
// Route implements app module
func (am AppModule) Route() sdk.Route {
return sdk.NewRoute(types.RouterKey, NewHandler(am.keeper))
}
// QuerierRoute implements app module
func (am AppModule) QuerierRoute() string {
return types.QuerierRoute
}
// LegacyQuerierHandler returns the distribution module sdk.Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return keeper.NewQuerier(am.keeper)
}
// 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)
if err := cfg.RegisterMigration(types.ModuleName, 2, m.Migrate2to3); err != nil {
panic(fmt.Sprintf("failed to migrate x/gravity from version 1 to 2: %v", err))
}
}
// InitGenesis initializes the genesis state for this module and implements app module.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
var genesisState types.GenesisState
cdc.MustUnmarshalJSON(data, &genesisState)
keeper.InitGenesis(ctx, am.keeper, genesisState)
return []abci.ValidatorUpdate{}
}
// ExportGenesis exports the current genesis state to a json.RawMessage
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
gs := keeper.ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(&gs)
}
// BeginBlock implements app module
func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock implements app module
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
EndBlocker(ctx, am.keeper)
return []abci.ValidatorUpdate{}
}
func (am AppModule) NewEndBlock(ctx sdk.Context, req abci.RequestEndBlock, _ sdk.ABCIMessageLogs) []abci.ValidatorUpdate {
EndBlocker(ctx, am.keeper)
return []abci.ValidatorUpdate{}
}
// ___________________________________________________________________________
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the distribution module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
// TODO: implement gravity simulation stuffs
// simulation.RandomizedGenState(simState)
}
// ProposalContents returns all the distribution content functions used to
// simulate governance proposals.
func (am AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent {
// TODO: implement gravity simulation stuffs
return nil
}
// RandomizedParams creates randomized distribution param changes for the simulator.
func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
// TODO: implement gravity simulation stuffs
return nil
}
// RegisterStoreDecoder registers a decoder for distribution module's types
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
// TODO: implement gravity simulation stuffs
// sdr[types.StoreKey] = simulation.NewDecodeStore(am.cdc)
}
// WeightedOperations returns the all the gov module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
// TODO: implement gravity simulation stuffs
// return simulation.WeightedOperations(
// simState.AppParams, simState.Cdc, am.accountKeeper, am.bankKeeper, am.keeper, am.stakingKeeper,
// )
return nil
}