/
module.go
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/
module.go
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package nft
import (
"context"
"encoding/json"
"math/rand"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
sdkclient "github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/types/module"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
"github.com/cosmos/cosmos-sdk/x/nft"
"github.com/cosmos/cosmos-sdk/x/nft/client/cli"
"github.com/cosmos/cosmos-sdk/x/nft/keeper"
"github.com/cosmos/cosmos-sdk/x/nft/simulation"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
// AppModuleBasic defines the basic application module used by the nft module.
type AppModuleBasic struct {
cdc codec.Codec
}
// Name returns the nft module's name.
func (AppModuleBasic) Name() string {
return nft.ModuleName
}
// RegisterServices registers a gRPC query service to respond to the
// module-specific gRPC queries.
func (am AppModule) RegisterServices(cfg module.Configurator) {
nft.RegisterMsgServer(cfg.MsgServer(), am.keeper)
nft.RegisterQueryServer(cfg.QueryServer(), am.keeper)
}
// RegisterLegacyAminoCodec registers the nft module's types for the given codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {}
// RegisterInterfaces registers the nft module's interface types
func (AppModuleBasic) RegisterInterfaces(registry cdctypes.InterfaceRegistry) {
nft.RegisterInterfaces(registry)
}
// DefaultGenesis returns default genesis state as raw bytes for the nft
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(nft.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the nft module.
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config sdkclient.TxEncodingConfig, bz json.RawMessage) error {
var data nft.GenesisState
if err := cdc.UnmarshalJSON(bz, &data); err != nil {
return sdkerrors.Wrapf(err, "failed to unmarshal %s genesis state", nft.ModuleName)
}
return nft.ValidateGenesis(data)
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the nft module.
func (a AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx sdkclient.Context, mux *runtime.ServeMux) {
if err := nft.RegisterQueryHandlerClient(context.Background(), mux, nft.NewQueryClient(clientCtx)); err != nil {
panic(err)
}
}
// GetQueryCmd returns the cli query commands for the nft module
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
// GetTxCmd returns the transaction commands for the nft module
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd()
}
// AppModule implements the sdk.AppModule interface
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
// TODO accountKeeper,bankKeeper will be replaced by query service
accountKeeper nft.AccountKeeper
bankKeeper nft.BankKeeper
registry cdctypes.InterfaceRegistry
}
// NewAppModule creates a new AppModule object
func NewAppModule(cdc codec.Codec, keeper keeper.Keeper, ak nft.AccountKeeper, bk nft.BankKeeper, registry cdctypes.InterfaceRegistry) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{cdc: cdc},
keeper: keeper,
accountKeeper: ak,
bankKeeper: bk,
registry: registry,
}
}
// Name returns the nft module's name.
func (AppModule) Name() string {
return nft.ModuleName
}
// RegisterInvariants does nothing, there are no invariants to enforce
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
// Route returns the message routing key for the staking module.
func (am AppModule) Route() sdk.Route {
return sdk.NewRoute(nft.RouterKey, nil)
}
func (am AppModule) NewHandler() sdk.Handler {
return nil
}
// QuerierRoute returns the route we respond to for abci queries
func (AppModule) QuerierRoute() string { return "" }
// LegacyQuerierHandler returns the nft module sdk.Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return nil
}
// InitGenesis performs genesis initialization for the nft module. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
var genesisState nft.GenesisState
cdc.MustUnmarshalJSON(data, &genesisState)
am.keeper.InitGenesis(ctx, &genesisState)
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the exported genesis state as raw bytes for the nft
// 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 1 }
// ____________________________________________________________________________
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the nft module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// ProposalContents returns all the nft content functions used to
// simulate governance proposals.
func (am AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent {
return nil
}
// RandomizedParams creates randomized nft param changes for the simulator.
func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
return nil
}
// RegisterStoreDecoder registers a decoder for nft module's types
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
sdr[keeper.StoreKey] = simulation.NewDecodeStore(am.cdc)
}
// WeightedOperations returns the all the nft module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
return simulation.WeightedOperations(
am.registry,
simState.AppParams, simState.Cdc,
am.accountKeeper, am.bankKeeper, am.keeper,
)
}