230 lines
8.2 KiB
Go
230 lines
8.2 KiB
Go
/*
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The tokenfactory module allows any account to create a new token with
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the name `factory/{creator address}/{subdenom}`.
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- Mint and burn user denom to and form any account
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- Create a transfer of their denom between any two accounts
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- Change the admin. In the future, more admin capabilities may be added.
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*/
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package tokenfactory
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import (
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"context"
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"encoding/json"
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"fmt"
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"math/rand"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
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cdctypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/gorilla/mux"
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"github.com/grpc-ecosystem/grpc-gateway/runtime"
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"github.com/spf13/cobra"
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abci "github.com/tendermint/tendermint/abci/types"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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simulation "github.com/wormhole-foundation/wormchain/x/tokenfactory/simulation"
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"github.com/wormhole-foundation/wormchain/x/tokenfactory/client/cli"
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"github.com/wormhole-foundation/wormchain/x/tokenfactory/keeper"
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"github.com/wormhole-foundation/wormchain/x/tokenfactory/types"
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)
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var (
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_ module.AppModule = AppModule{}
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_ module.AppModuleBasic = AppModuleBasic{}
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)
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// ----------------------------------------------------------------------------
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// AppModuleBasic
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// ----------------------------------------------------------------------------
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// AppModuleBasic implements the AppModuleBasic interface for the capability module.
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type AppModuleBasic struct{}
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func NewAppModuleBasic() AppModuleBasic {
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return AppModuleBasic{}
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}
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// Name returns the x/tokenfactory module's name.
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func (AppModuleBasic) Name() string {
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return types.ModuleName
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}
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func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
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types.RegisterCodec(cdc)
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}
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// RegisterInterfaces registers the module's interface types
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func (a AppModuleBasic) RegisterInterfaces(reg cdctypes.InterfaceRegistry) {
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types.RegisterInterfaces(reg)
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}
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// DefaultGenesis returns the x/tokenfactory module's default genesis state.
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func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
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return cdc.MustMarshalJSON(types.DefaultGenesis())
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}
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// ValidateGenesis performs genesis state validation for the x/tokenfactory module.
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func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, _ client.TxEncodingConfig, bz json.RawMessage) error {
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var genState types.GenesisState
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if err := cdc.UnmarshalJSON(bz, &genState); err != nil {
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return fmt.Errorf("failed to unmarshal %s genesis state: %w", types.ModuleName, err)
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}
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return genState.Validate()
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}
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// RegisterRESTRoutes registers the capability module's REST service handlers.
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func (AppModuleBasic) RegisterRESTRoutes(_ client.Context, _ *mux.Router) {
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}
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// RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the module.
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func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
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types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)) //nolint:errcheck
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}
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// GetTxCmd returns the x/tokenfactory module's root tx command.
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func (a AppModuleBasic) GetTxCmd() *cobra.Command {
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return cli.GetTxCmd()
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}
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// GetQueryCmd returns the x/tokenfactory module's root query command.
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func (AppModuleBasic) GetQueryCmd() *cobra.Command {
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return cli.GetQueryCmd()
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}
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// ----------------------------------------------------------------------------
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// AppModule
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// ----------------------------------------------------------------------------
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// AppModule implements the AppModule interface for the capability module.
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type AppModule struct {
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AppModuleBasic
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keeper keeper.Keeper
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accountKeeper types.AccountKeeper
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bankKeeper types.BankKeeper
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}
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func NewAppModule(
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keeper keeper.Keeper,
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accountKeeper types.AccountKeeper,
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bankKeeper types.BankKeeper,
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) AppModule {
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return AppModule{
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AppModuleBasic: NewAppModuleBasic(),
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keeper: keeper,
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accountKeeper: accountKeeper,
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bankKeeper: bankKeeper,
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}
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}
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// Name returns the x/tokenfactory module's name.
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func (am AppModule) Name() string {
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return am.AppModuleBasic.Name()
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}
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// Route returns the x/tokenfactory module's message routing key.
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func (am AppModule) Route() sdk.Route {
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return sdk.Route{}
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}
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// QuerierRoute returns the x/tokenfactory module's query routing key.
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func (AppModule) QuerierRoute() string { return types.QuerierRoute }
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// LegacyQuerierHandler returns the x/tokenfactory module's Querier.
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func (am AppModule) LegacyQuerierHandler(_ *codec.LegacyAmino) sdk.Querier {
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return nil
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}
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// RegisterServices registers a GRPC query service to respond to the
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// module-specific GRPC queries.
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func (am AppModule) RegisterServices(cfg module.Configurator) {
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types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(am.keeper))
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types.RegisterQueryServer(cfg.QueryServer(), am.keeper)
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}
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// RegisterInvariants registers the x/tokenfactory module's invariants.
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func (am AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
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// InitGenesis performs the x/tokenfactory module's genesis initialization. It
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// returns no validator updates.
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func (am AppModule) InitGenesis(ctx sdk.Context, cdc codec.JSONCodec, gs json.RawMessage) []abci.ValidatorUpdate {
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var genState types.GenesisState
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cdc.MustUnmarshalJSON(gs, &genState)
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am.keeper.InitGenesis(ctx, genState)
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return []abci.ValidatorUpdate{}
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}
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// ExportGenesis returns the x/tokenfactory module's exported genesis state as raw
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// JSON bytes.
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func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
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genState := am.keeper.ExportGenesis(ctx)
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return cdc.MustMarshalJSON(genState)
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}
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// ConsensusVersion implements ConsensusVersion.
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func (AppModule) ConsensusVersion() uint64 { return 1 }
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// BeginBlock executes all ABCI BeginBlock logic respective to the tokenfactory module.
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func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
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// EndBlock executes all ABCI EndBlock logic respective to the tokenfactory module. It
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// returns no validator updates.
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func (am AppModule) EndBlock(_ sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
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return []abci.ValidatorUpdate{}
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}
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// ___________________________________________________________________________
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// AppModuleSimulationV2 functions
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// // GenerateGenesisState creates a randomized GenState of the tokenfactory module.
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// func (am AppModule) SimulatorGenesisState(simState *module.SimulationState, s *simtypes.SimCtx) {
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// tfDefaultGen := types.DefaultGenesis()
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// tfDefaultGen.Params.DenomCreationFee = sdk.NewCoins(sdk.NewCoin("stake", sdk.NewInt(10000000)))
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// tfDefaultGenJson := simState.Cdc.MustMarshalJSON(tfDefaultGen)
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// simState.GenState[types.ModuleName] = tfDefaultGenJson
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// }
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// // WeightedOperations returns the all the lockup module operations with their respective weights.
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// func (am AppModule) Actions() []simtypes.Action {
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// return []simtypes.Action{
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// simtypes.NewMsgBasedAction("create token factory token", am.keeper, simulation.RandomMsgCreateDenom),
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// simtypes.NewMsgBasedAction("mint token factory token", am.keeper, simulation.RandomMsgMintDenom),
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// simtypes.NewMsgBasedAction("burn token factory token", am.keeper, simulation.RandomMsgBurnDenom),
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// simtypes.NewMsgBasedAction("change admin token factory token", am.keeper, simulation.RandomMsgChangeAdmin),
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// }
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// }
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// ____________________________________________________________________________
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// AppModuleSimulation functions
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func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
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simulation.RandomizedGenState(simState)
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}
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// GenerateGenesisState creates a randomized GenState of the bank module.
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func (am AppModule) ProposalContents(_ module.SimulationState) []simtypes.WeightedProposalContent {
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return nil
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}
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// RandomizedParams creates randomized bank param changes for the simulator.
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func (am AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
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return simulation.ParamChanges(r)
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}
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// RegisterStoreDecoder registers a decoder for supply module's types
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func (am AppModule) RegisterStoreDecoder(_ sdk.StoreDecoderRegistry) {
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}
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// WeightedOperations returns the all the gov module operations with their respective weights.
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func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
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return simulation.WeightedOperations(&simState, am.keeper, am.accountKeeper, am.bankKeeper)
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}
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