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module.go
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module.go
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package oracle
import (
"context"
"fmt"
"encoding/json"
"math/rand"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
"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"
"github.com/NibiruChain/nibiru/x/oracle/client/cli"
"github.com/NibiruChain/nibiru/x/oracle/keeper"
"github.com/NibiruChain/nibiru/x/oracle/simulation"
"github.com/NibiruChain/nibiru/x/oracle/types"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
// AppModuleBasic defines the basic application module used by the oracle module.
type AppModuleBasic struct {
cdc codec.Codec
}
// Name returns the module's name
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec registers the module's types on the given LegacyAmino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// RegisterInterfaces registers the module's interface types
func (b AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// DefaultGenesis returns default genesis state as raw bytes for the staking
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the oracle 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)
}
// RegisterRESTRoutes registers the REST routes for the oracle module.
func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the oracle module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
_ = types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx))
}
// GetTxCmd returns the root tx command for the oracle module.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd()
}
// GetQueryCmd returns no root query command for the oracle module.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
//___________________________
// AppModule implements an application module for the oracle module.
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
accountKeeper types.AccountKeeper
bankKeeper types.BankKeeper
}
// NewAppModule creates a new AppModule object
func NewAppModule(
cdc codec.Codec,
keeper keeper.Keeper,
accountKeeper types.AccountKeeper,
bankKeeper types.BankKeeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{cdc},
keeper: keeper,
accountKeeper: accountKeeper,
bankKeeper: bankKeeper,
}
}
// Name returns the oracle module's name.
func (AppModule) Name() string { return types.ModuleName }
// RegisterInvariants performs a no-op.
func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
// Route returns the message routing key for the oracle module.
func (am AppModule) Route() sdk.Route {
return sdk.NewRoute(types.RouterKey, func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
return nil, fmt.Errorf("not supported")
})
}
// QuerierRoute returns the oracle module's querier route name.
func (AppModule) QuerierRoute() string { return types.QuerierRoute }
// LegacyQuerierHandler returns the oracle module sdk.Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(_ sdk.Context, _ []string, _ abci.RequestQuery) ([]byte, error) {
return nil, fmt.Errorf("deprecated, use gRPC web")
}
}
// RegisterServices registers module services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
querier := keeper.NewQuerier(am.keeper)
types.RegisterQueryServer(cfg.QueryServer(), querier)
}
// InitGenesis performs genesis initialization for the oracle module. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
var genesisState types.GenesisState
cdc.MustUnmarshalJSON(data, &genesisState)
InitGenesis(ctx, am.keeper, &genesisState)
return nil
}
// ExportGenesis returns the exported genesis state as raw bytes for the oracle
// module.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
gs := ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(gs)
}
// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 1 }
// BeginBlock returns the begin blocker for the oracle module.
func (AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock returns the end blocker for the oracle module.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
EndBlocker(ctx, am.keeper)
return []abci.ValidatorUpdate{}
}
//____________________________________________________________________________
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the oracle module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// ProposalContents returns all the oracle content functions used to
// simulate governance proposals.
func (am AppModule) ProposalContents(_ module.SimulationState) []simtypes.WeightedProposalContent {
return nil
}
// RandomizedParams creates randomized oracle param changes for the simulator.
func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
return simulation.ParamChanges(r)
}
// RegisterStoreDecoder registers a decoder for oracle module's types
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
sdr[types.StoreKey] = simulation.NewDecodeStore(am.cdc)
}
// WeightedOperations returns the all the oracle module operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
return simulation.WeightedOperations(
simState.AppParams, simState.Cdc,
am.accountKeeper, am.bankKeeper, am.keeper,
)
}