0g-chain/x/pricefeed/module.go

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package pricefeed
import (
"context"
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"encoding/json"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
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"github.com/spf13/cobra"
"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
sdkkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/0glabs/0g-chain/x/pricefeed/client/cli"
"github.com/0glabs/0g-chain/x/pricefeed/keeper"
"github.com/0glabs/0g-chain/x/pricefeed/types"
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)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
// _ module.AppModuleSimulation = AppModule{} // TODO simulation
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)
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// AppModuleBasic app module basics object
type AppModuleBasic struct{}
// Name get module name
func (AppModuleBasic) Name() string {
return types.ModuleName
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}
// RegisterLegacyAminoCodec register module codec
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
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}
// DefaultGenesis default genesis state
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
gs := types.DefaultGenesisState()
return cdc.MustMarshalJSON(&gs)
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}
// ValidateGenesis module validate genesis
func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
var gs types.GenesisState
err := cdc.UnmarshalJSON(bz, &gs)
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if err != nil {
return err
}
return gs.Validate()
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}
// RegisterInterfaces implements InterfaceModule.RegisterInterfaces
func (a AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
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}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the gov module.
func (a 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 root tx command for the swap module.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd()
}
// GetQueryCmd returns no root query command for the swap module.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
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}
//____________________________________________________________________________
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// AppModule app module type
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
accountKeeper sdkkeeper.AccountKeeper
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}
// NewAppModule creates a new AppModule object
func NewAppModule(keeper keeper.Keeper, accountKeeper sdkkeeper.AccountKeeper) AppModule {
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return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
accountKeeper: accountKeeper,
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}
}
// Name module name
func (am AppModule) Name() string {
return am.AppModuleBasic.Name()
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}
// RegisterInvariants register module invariants
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {}
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// Route module message route name
func (am AppModule) Route() sdk.Route {
return sdk.Route{}
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}
// QuerierRoute module querier route name
func (AppModule) QuerierRoute() string {
return types.QuerierRoute
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}
// LegacyQuerierHandler returns no sdk.Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return keeper.NewQuerier(am.keeper, legacyQuerierCdc)
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}
// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 {
return 1
}
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// RegisterServices registers module services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
types.RegisterQueryServer(cfg.QueryServer(), keeper.NewQueryServerImpl(am.keeper))
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}
// InitGenesis module init-genesis
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) []abci.ValidatorUpdate {
var genState types.GenesisState
// Initialize global index to index in genesis state
cdc.MustUnmarshalJSON(gs, &genState)
InitGenesis(ctx, am.keeper, genState)
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return []abci.ValidatorUpdate{}
}
// ExportGenesis module export genesis
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
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gs := ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(&gs)
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}
// BeginBlock module begin-block
func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {
}
// EndBlock module end-block
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 price feed module
// func (AppModuleBasic) GenerateGenesisState(simState *module.SimulationState) {
// simulation.RandomizedGenState(simState)
// }
// // ProposalContents doesn't return any content functions for governance proposals.
// func (AppModuleBasic) ProposalContents(_ module.SimulationState) []sim.WeightedProposalContent {
// return nil
// }
// // RandomizedParams returns nil because price feed has no params.
// func (AppModuleBasic) RandomizedParams(r *rand.Rand) []sim.ParamChange {
// return simulation.ParamChanges(r)
// }
// // RegisterStoreDecoder registers a decoder for price feed module's types
// func (AppModuleBasic) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
// sdr[StoreKey] = simulation.DecodeStore
// }
// // WeightedOperations returns the all the price feed module operations with their respective weights.
// func (am AppModule) WeightedOperations(simState module.SimulationState) []sim.WeightedOperation {
// return simulation.WeightedOperations(simState.AppParams, simState.Cdc, am.accountKeeper, am.keeper)
// }