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module.go
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module.go
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package gamm
import (
"context"
"encoding/json"
"fmt"
"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"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/osmosis-labs/osmosis/v9/x/gamm/client/cli"
"github.com/osmosis-labs/osmosis/v9/x/gamm/keeper"
"github.com/osmosis-labs/osmosis/v9/x/gamm/pool-models/balancer"
"github.com/osmosis-labs/osmosis/v9/x/gamm/simulation"
"github.com/osmosis-labs/osmosis/v9/x/gamm/types"
)
var (
_ module.AppModule = AppModule{}
_ module.AppModuleBasic = AppModuleBasic{}
_ module.AppModuleSimulation = AppModule{}
)
type AppModuleBasic struct {
cdc codec.Codec
}
// Name returns the gamm module's name.
func (AppModuleBasic) Name() string { return types.ModuleName }
// RegisterLegacyAminoCodec registers the gamm module's types on the LegacyAmino codec.
func (AppModuleBasic) RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
types.RegisterLegacyAminoCodec(cdc)
balancer.RegisterLegacyAminoCodec(cdc)
// stableswap.RegisterLegacyAminoCodec(cdc)
}
// DefaultGenesis returns default genesis state as raw bytes for the gamm
// module.
func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
return cdc.MustMarshalJSON(types.DefaultGenesis())
}
// ValidateGenesis performs genesis state validation for the gamm 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 genState.Validate()
}
//---------------------------------------
// Interfaces.
func (b AppModuleBasic) RegisterRESTRoutes(ctx client.Context, r *mux.Router) {
}
func (b AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *runtime.ServeMux) {
types.RegisterQueryHandlerClient(context.Background(), mux, types.NewQueryClient(clientCtx)) //nolint:errcheck
}
func (b AppModuleBasic) GetTxCmd() *cobra.Command {
return cli.NewTxCmd()
}
func (b AppModuleBasic) GetQueryCmd() *cobra.Command {
return cli.GetQueryCmd()
}
// RegisterInterfaces registers interfaces and implementations of the gamm module.
func (AppModuleBasic) RegisterInterfaces(registry codectypes.InterfaceRegistry) {
types.RegisterInterfaces(registry)
balancer.RegisterInterfaces(registry)
// stableswap.RegisterInterfaces(registry)
}
type AppModule struct {
AppModuleBasic
ak types.AccountKeeper
bk types.BankKeeper
keeper keeper.Keeper
accountKeeper stakingtypes.AccountKeeper
bankKeeper stakingtypes.BankKeeper
}
func (am AppModule) RegisterServices(cfg module.Configurator) {
types.RegisterMsgServer(cfg.MsgServer(), keeper.NewMsgServerImpl(&am.keeper))
balancer.RegisterMsgServer(cfg.MsgServer(), keeper.NewBalancerMsgServerImpl(&am.keeper))
// stableswap.RegisterMsgServer(cfg.MsgServer(), keeper.NewStableswapMsgServerImpl(&am.keeper))
types.RegisterQueryServer(cfg.QueryServer(), keeper.NewQuerier(am.keeper))
}
func NewAppModule(cdc codec.Codec, keeper keeper.Keeper,
accountKeeper types.AccountKeeper, bankKeeper types.BankKeeper,
) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{cdc: cdc},
keeper: keeper,
ak: accountKeeper,
bk: bankKeeper,
}
}
// RegisterInvariants registers the gamm module invariants.
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
keeper.RegisterInvariants(ir, am.keeper, am.bk)
}
// Route returns the message routing key for the gamm module.
func (am AppModule) Route() sdk.Route {
return sdk.NewRoute(types.RouterKey, NewHandler(&am.keeper))
}
// QuerierRoute returns the gamm module's querier route name.
func (AppModule) QuerierRoute() string { return types.RouterKey }
// LegacyQuerierHandler returns the x/gamm module's sdk.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)
}
}
// InitGenesis performs genesis initialization for the gamm module. It returns
// no validator updates.
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, am.cdc)
return []abci.ValidatorUpdate{}
}
// ExportGenesis returns the exported genesis state as raw bytes for the gamm
// module.
func (am AppModule) ExportGenesis(ctx sdk.Context, cdc codec.JSONCodec) json.RawMessage {
genState := ExportGenesis(ctx, am.keeper)
return cdc.MustMarshalJSON(genState)
}
// BeginBlock performs a no-op.
func (AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
// EndBlock returns the end blocker for the gamm module. It returns no validator
// updates.
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
return []abci.ValidatorUpdate{}
}
// ___________________________________________________________________________
// AppModuleSimulation functions
// GenerateGenesisState creates a randomized GenState of the gamm module.
// However, at launch the gamm module has no state, hence this is a no-op.
func (AppModule) GenerateGenesisState(simState *module.SimulationState) {
// simulation.RandomizedGenState(simState)
}
// ProposalContents doesn't return any content functions for governance proposals.
func (AppModule) ProposalContents(simState module.SimulationState) []simtypes.WeightedProposalContent {
return nil
}
// RandomizedParams creates randomized gamm param changes for the simulator.
// There are no params that we view as sensible to randomize at the moment.
func (AppModule) RandomizedParams(r *rand.Rand) []simtypes.ParamChange {
return nil
// return simulation.ParamChanges(r)
}
// RegisterStoreDecoder registers a decoder for supply module's types.
func (am AppModule) RegisterStoreDecoder(sdr sdk.StoreDecoderRegistry) {
}
// WeightedOperations returns all the simulation operations with their respective weights.
func (am AppModule) WeightedOperations(simState module.SimulationState) []simtypes.WeightedOperation {
return simulation.WeightedOperations(simState.AppParams, simState.Cdc, am.ak, am.bk, am.keeper)
}
// ConsensusVersion implements AppModule/ConsensusVersion.
func (AppModule) ConsensusVersion() uint64 { return 1 }