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module.go
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module.go
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package peggy
import (
"context"
"encoding/json"
"fmt"
"math/rand"
"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"
"github.com/gorilla/mux"
"github.com/grpc-ecosystem/grpc-gateway/runtime"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cicizeo/hilo/x/peggy/client/cli"
"github.com/cicizeo/hilo/x/peggy/keeper"
"github.com/cicizeo/hilo/x/peggy/types"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
)
// AppModuleBasic implements the AppModuleBasic interface for the x/peggy
// module.
type AppModuleBasic struct{}
// Name returns the x/peggy module's name.
func (AppModuleBasic) Name() string {
return types.ModuleName
}
// RegisterLegacyAminoCodec registers the x/peggy module's types with a legacy
// Amino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
}
// RegisterInterfaces registers the x/peggy module's interface types.
func (b AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
}
// DefaultGenesis returns the x/peggy 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/peggy module.
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()
}
// Deprecated: RegisterRESTRoutes performs a no-op. Querying is delegated to the
// gRPC service.
func (AppModuleBasic) RegisterRESTRoutes(ctx client.Context, rtr *mux.Router) {}
// GetQueryCmd returns the x/peggy module's root query command.
func (AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
// GetTxCmd returns the x/peggy module's root tx command.
func (AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.GetTxCmd(types.StoreKey)
}
// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the x/peggy
// module.
func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
types.RegisterQueryHandlerClient(
context.Background(),
mux,
types.NewQueryClient(clientCtx),
)
}
// AppModule implements the AppModule interface for the x/peggy module.
type AppModule struct {
AppModuleBasic
keeper keeper.Keeper
bankKeeper bankkeeper.Keeper
blockHandler *BlockHandler
}
func (am AppModule) ConsensusVersion() uint64 {
return 1
}
// NewAppModule creates a new AppModule Object
func NewAppModule(k keeper.Keeper, bankKeeper bankkeeper.Keeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: k,
bankKeeper: bankKeeper,
blockHandler: NewBlockHandler(k),
}
}
// Name implements app module
func (AppModule) Name() string {
return types.ModuleName
}
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
// TODO: Make some invariants in the peggy module to ensure that coins aren't
// being fraudulently minted, etc.
}
// Deprecated: Route returns the message routing key for the x/peggy module.
func (am AppModule) Route() sdk.Route {
return sdk.Route{}
}
// QuerierRoute returns the x/peggy module's query routing key.
func (am AppModule) QuerierRoute() string {
return types.QuerierRoute
}
// Deprecated: LegacyQuerierHandler returns the x/peggy module sdk.Querier.
func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return nil
}
// RegisterServices registers x/peggy module services.
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
types.RegisterQueryServer(cfg.QueryServer(), &am.keeper)
}
// InitGenesis performs the x/peggy module's genesis initialization. It returns
// no validator updates.
func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, data json.RawMessage) []abci.ValidatorUpdate {
genesisState := new(types.GenesisState)
cdc.MustUnmarshalJSON(data, genesisState)
keeper.InitGenesis(ctx, am.keeper, genesisState)
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the x/peggy module's exported genesis state as raw
// JSON bytes.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
gs := keeper.ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(&gs)
}
// BeginBlock performs a no-op.
func (am AppModule) BeginBlock(ctx sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock executes all ABCI EndBlock logic respective to the x/peggy module.
// It returns no validator updates.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
am.blockHandler.EndBlocker(ctx)
return []abci.ValidatorUpdate{}
}
// GenerateGenesisState creates a randomized GenState of the x/peggy module.
// TODO: Implement!
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
// simulation.RandomizedGenState(simState)
}
// ProposalContents returns all the x/peggy content functions used to simulate
// governance proposals.
// TODO: Implement!
func (am AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent {
return nil
}
// RandomizedParams creates randomized x/peggy param changes for the simulator.
// TODO: Implement!
func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
return nil
}
// RegisterStoreDecoder registers a decoder for x/peggy module's types.
// TODO: Implement!
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
// sdr[types.StoreKey] = simulation.NewDecodeStore(am.cdc)
}
// WeightedOperations returns the all the x/peggy module operations with their
// respective weights.
// TODO: Implement!
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
// return simulation.WeightedOperations(
// simState.AppParams, simState.Cdc, am.accountKeeper, am.bankKeeper, am.keeper, am.stakingKeeper,
// )
return nil
}