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module.go
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module.go
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package oracle
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"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"
"github.com/cosmos/cosmos-sdk/types/module"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
"github.com/tessornetwork/nebula/x/oracle/client/cli"
"github.com/tessornetwork/nebula/x/oracle/keeper"
simulation "github.com/tessornetwork/nebula/x/oracle/simulations"
"github.com/tessornetwork/nebula/x/oracle/types"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
// AppModuleBasic implements the AppModuleBasic interface for the x/oracle module.
type AppModuleBasic struct {
cdc codec.Codec
}
// RegisterLegacyAminoCodec registers the x/oracle module's types with a legacy
// Amino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
func NewAppModuleBasic(cdc codec.Codec) AppModuleBasic {
return AppModuleBasic{cdc: cdc}
}
// Name returns the x/oracle module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
func (AppModuleBasic) ConsensusVersion() uint64 { return 2 }
// RegisterInterfaces registers the x/oracle module's interface types.
func (AppModuleBasic) RegisterInterfaces(reg cdctypes.InterfaceRegistry) {
types.RegisterInterfaces(reg)
}
// DefaultGenesis returns the x/oracle module's default genesis state.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesisState())
}
// ValidateGenesis performs genesis state validation for the x/oracle module.
func (AppModuleBasic) ValidateGenesis(
cdc codec.JSONCodec,
config client.TxEncodingConfig,
bz json.RawMessage,
) error {
var genState types.GenesisState
if err := cdc.UnmarshalJSON(bz, &genState); err != nil {
return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
}
return nil
}
// Deprecated: RegisterRESTRoutes performs a no-op. Querying is delegated to the
// gRPC service.
func (AppModuleBasic) RegisterRESTRoutes(clientCtx client.Context, rtr *mux.Router) {}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the x/oracle
// module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
if err := types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)); err != nil {
panic(err)
}
}
// GetTxCmd returns the x/oracle module's root tx command.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd()
}
// GetQueryCmd returns the x/oracle module's root query command.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd(types.StoreKey)
}
// AppModule implements the AppModule interface for the x/oracle module.
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
accountKeeper types.AccountKeeper
bankKeeper bankkeeper.Keeper
experimental bool
}
func NewAppModule(
cdc codec.Codec,
keeper keeper.Keeper,
accountKeeper types.AccountKeeper,
bankKeeper bankkeeper.Keeper,
experimental bool,
) AppModule {
return AppModule{
AppModuleBasic: NewAppModuleBasic(cdc),
keeper: keeper,
accountKeeper: accountKeeper,
bankKeeper: bankKeeper,
experimental: experimental,
}
}
// Name returns the x/oracle module's name.
func (am AppModule) Name() string {
return am.AppModuleBasic.Name()
}
// Deprecated: Route returns the message routing key for the x/oracle module.
func (am AppModule) Route() sdk.Route {
return sdk.Route{}
}
// QuerierRoute returns the x/oracle module's query routing key.
func (AppModule) QuerierRoute() string { return types.QuerierRoute }
// LegacyQuerierHandler returns a no-op legacy querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(sdk.Context, []string, abci.RequestQuery) ([]byte, error) {
return nil, fmt.Errorf("legacy querier not supported for the x/%s module", types.ModuleName)
}
}
// RegisterServices registers gRPC services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
types.RegisterQueryServer(cfg.QueryServer(), keeper.NewQuerier(am.keeper))
m := keeper.NewMigrator(&am.keeper)
if err := cfg.RegisterMigration(types.ModuleName, 1, m.Migrate1to2); err != nil {
panic(fmt.Sprintf("failed to migrate x/oracle from version 1 to 2: %v", err))
}
}
// RegisterInvariants registers the x/oracle module's invariants.
func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
// InitGenesis performs the x/oracle module's genesis initialization. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) []abci.ValidatorUpdate {
var genState types.GenesisState
cdc.MustUnmarshalJSON(gs, &genState)
InitGenesis(ctx, am.keeper, genState)
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the x/oracle module's exported genesis state as raw
// JSON bytes.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
genState := ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(genState)
}
// BeginBlock executes all ABCI BeginBlock logic respective to the x/oracle module.
func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock executes all ABCI EndBlock logic respective to the x/oracle module.
// It returns no validator updates.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
if err := EndBlocker(ctx, am.keeper, am.experimental); err != nil {
panic(err)
}
return []abci.ValidatorUpdate{}
}
// GenerateGenesisState creates a randomized GenState of the distribution module.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
simulation.RandomizedGenState(simState)
}
// WeightedOperations returns the all the gravity 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,
)
}
// 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)
}