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app.go
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app.go
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package example
import (
"io"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/codec/types"
"github.com/cosmos/cosmos-sdk/simapp"
simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
"github.com/cosmos/cosmos-sdk/std"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/auth/ante"
authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
authsims "github.com/cosmos/cosmos-sdk/x/auth/simulation"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
"github.com/cosmos/cosmos-sdk/x/bank"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
"github.com/cosmos/cosmos-sdk/x/capability"
capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
capabilitytypes "github.com/cosmos/cosmos-sdk/x/capability/types"
crisiskeeper "github.com/cosmos/cosmos-sdk/x/crisis/keeper"
distrkeeper "github.com/cosmos/cosmos-sdk/x/distribution/keeper"
distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
evidencekeeper "github.com/cosmos/cosmos-sdk/x/evidence/keeper"
govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
transfer "github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer"
ibctransferkeeper "github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer/keeper"
ibctransfertypes "github.com/cosmos/cosmos-sdk/x/ibc/applications/transfer/types"
ibc "github.com/cosmos/cosmos-sdk/x/ibc/core"
porttypes "github.com/cosmos/cosmos-sdk/x/ibc/core/05-port/types"
ibchost "github.com/cosmos/cosmos-sdk/x/ibc/core/24-host"
ibckeeper "github.com/cosmos/cosmos-sdk/x/ibc/core/keeper"
mintkeeper "github.com/cosmos/cosmos-sdk/x/mint/keeper"
"github.com/cosmos/cosmos-sdk/x/params"
paramskeeper "github.com/cosmos/cosmos-sdk/x/params/keeper"
paramstypes "github.com/cosmos/cosmos-sdk/x/params/types"
slashingkeeper "github.com/cosmos/cosmos-sdk/x/slashing/keeper"
stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
upgradekeeper "github.com/cosmos/cosmos-sdk/x/upgrade/keeper"
tmjson "github.com/tendermint/tendermint/libs/json"
"github.com/tendermint/tendermint/libs/log"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
dbm "github.com/tendermint/tm-db"
// unnamed import of statik for swagger UI support
_ "github.com/cosmos/cosmos-sdk/client/docs/statik"
"github.com/datachainlab/fabric-ibc/app"
"github.com/datachainlab/fabric-ibc/commitment"
"github.com/datachainlab/fabric-ibc/x/compat"
fabric "github.com/datachainlab/fabric-ibc/x/ibc/light-clients/xx-fabric"
)
var (
// ModuleBasics defines the module BasicManager is in charge of setting up basic,
// non-dependant module elements, such as codec registration
// and genesis verification.
ModuleBasics = module.NewBasicManager(
auth.AppModuleBasic{},
bank.AppModuleBasic{},
capability.AppModuleBasic{},
ibc.AppModuleBasic{},
fabric.AppModuleBasic{},
transfer.AppModuleBasic{},
)
// module account permissions
maccPerms = map[string][]string{
authtypes.FeeCollectorName: nil,
distrtypes.ModuleName: nil,
ibctransfertypes.ModuleName: {authtypes.Minter, authtypes.Burner},
}
// module accounts that are allowed to receive tokens
allowedReceivingModAcc = map[string]bool{
distrtypes.ModuleName: true,
}
)
var _ app.Application = (*IBCApp)(nil)
type IBCApp struct {
*app.BaseApp
cdc *codec.LegacyAmino
appCodec codec.Marshaler
interfaceRegistry types.InterfaceRegistry
invCheckPeriod uint
// keys to access the substores
keys map[string]*sdk.KVStoreKey
tkeys map[string]*sdk.TransientStoreKey
memKeys map[string]*sdk.MemoryStoreKey
// keepers
AccountKeeper authkeeper.AccountKeeper
BankKeeper bankkeeper.Keeper
CapabilityKeeper *capabilitykeeper.Keeper
StakingKeeper stakingkeeper.Keeper
SlashingKeeper slashingkeeper.Keeper
MintKeeper mintkeeper.Keeper
DistrKeeper distrkeeper.Keeper
GovKeeper govkeeper.Keeper
CrisisKeeper crisiskeeper.Keeper
UpgradeKeeper upgradekeeper.Keeper
ParamsKeeper paramskeeper.Keeper
IBCKeeper *ibckeeper.Keeper // IBC Keeper must be a pointer in the app, so we can SetRouter on it correctly
EvidenceKeeper evidencekeeper.Keeper
TransferKeeper ibctransferkeeper.Keeper
// make scoped keepers public for test purposes
ScopedIBCKeeper capabilitykeeper.ScopedKeeper
ScopedTransferKeeper capabilitykeeper.ScopedKeeper
ScopedIBCMockKeeper capabilitykeeper.ScopedKeeper
// the module manager
mm *module.Manager
// simulation manager
sm *module.SimulationManager
}
func NewIBCApp(appName string, logger log.Logger, db dbm.DB, traceStore io.Writer, encodingConfig simappparams.EncodingConfig, seqMgr commitment.SequenceManager, blockProvider app.BlockProvider, anteHandlerProvider app.AnteHandlerProvider) (*IBCApp, error) {
// TODO: Remove cdc in favor of appCodec once all modules are migrated.
appCodec := encodingConfig.Marshaler
cdc := encodingConfig.Amino
interfaceRegistry := encodingConfig.InterfaceRegistry
bApp := app.NewBaseApp(appName, logger, db, encodingConfig.TxConfig.TxJSONDecoder())
bApp.SetInterfaceRegistry(interfaceRegistry)
keys := sdk.NewKVStoreKeys(
authtypes.StoreKey, banktypes.StoreKey,
stakingtypes.StoreKey, paramstypes.StoreKey, ibchost.StoreKey, ibctransfertypes.StoreKey, capabilitytypes.StoreKey,
)
memKeys := sdk.NewMemoryStoreKeys(capabilitytypes.MemStoreKey)
tkeys := sdk.NewTransientStoreKeys(paramstypes.TStoreKey)
app := &IBCApp{
BaseApp: bApp,
cdc: cdc,
appCodec: appCodec,
interfaceRegistry: interfaceRegistry,
keys: keys,
memKeys: memKeys,
}
// init params keeper and subspaces
app.ParamsKeeper = initParamsKeeper(appCodec, cdc, keys[paramstypes.StoreKey], tkeys[paramstypes.TStoreKey])
// set the BaseApp's parameter store
bApp.SetParamStore(app.ParamsKeeper.Subspace(baseapp.Paramspace).WithKeyTable(paramskeeper.ConsensusParamsKeyTable()))
// add capability keeper and ScopeToModule for ibc module
app.CapabilityKeeper = capabilitykeeper.NewKeeper(appCodec, keys[capabilitytypes.StoreKey], memKeys[capabilitytypes.MemStoreKey])
scopedIBCKeeper := app.CapabilityKeeper.ScopeToModule(ibchost.ModuleName)
scopedTransferKeeper := app.CapabilityKeeper.ScopeToModule(ibctransfertypes.ModuleName)
// add keepers
app.AccountKeeper = authkeeper.NewAccountKeeper(
appCodec, keys[authtypes.StoreKey], app.GetSubspace(authtypes.ModuleName), authtypes.ProtoBaseAccount, maccPerms,
)
app.BankKeeper = bankkeeper.NewBaseKeeper(
appCodec, keys[banktypes.StoreKey], app.AccountKeeper, app.GetSubspace(banktypes.ModuleName), app.BlockedAddrs(),
)
// Create IBC Keeper
ibcKeeper := ibckeeper.NewKeeper(
appCodec, keys[ibchost.StoreKey], app.StakingKeeper, scopedIBCKeeper,
)
app.IBCKeeper = compat.ApplyPatchToIBCKeeper(*ibcKeeper, appCodec, keys[ibchost.StoreKey], seqMgr)
// Create Transfer Keepers
app.TransferKeeper = ibctransferkeeper.NewKeeper(
appCodec, keys[ibctransfertypes.StoreKey], app.GetSubspace(ibctransfertypes.ModuleName),
app.IBCKeeper.ChannelKeeper, &app.IBCKeeper.PortKeeper,
app.AccountKeeper, app.BankKeeper, scopedTransferKeeper,
)
transferModule := transfer.NewAppModule(app.TransferKeeper)
// Create static IBC router, add transfer route, then set and seal it
ibcRouter := porttypes.NewRouter()
ibcRouter.AddRoute(ibctransfertypes.ModuleName, transferModule)
app.IBCKeeper.SetRouter(ibcRouter)
// NOTE: Any module instantiated in the module manager that is later modified
// must be passed by reference here.
app.mm = module.NewManager(
auth.NewAppModule(appCodec, app.AccountKeeper, authsims.RandomGenesisAccounts),
bank.NewAppModule(appCodec, app.BankKeeper, app.AccountKeeper),
capability.NewAppModule(appCodec, *app.CapabilityKeeper),
ibc.NewAppModule(app.IBCKeeper),
params.NewAppModule(app.ParamsKeeper),
transferModule,
)
// NOTE: The genutils module must occur after staking so that pools are
// properly initialized with tokens from genesis accounts.
// NOTE: Capability module must occur first so that it can initialize any capabilities
// so that other modules that want to create or claim capabilities afterwards in InitChain
// can do so safely.
app.mm.SetOrderInitGenesis(
capabilitytypes.ModuleName, authtypes.ModuleName, banktypes.ModuleName, distrtypes.ModuleName, stakingtypes.ModuleName,
ibchost.ModuleName, ibctransfertypes.ModuleName,
)
app.mm.RegisterRoutes(app.Router(), app.QueryRouter(), encodingConfig.Amino)
app.mm.RegisterServices(module.NewConfigurator(app.MsgServiceRouter(), app.GRPCQueryRouter()))
// initialize stores
app.MountKVStores(keys)
app.MountTransientStores(tkeys)
app.MountMemoryStores(memKeys)
// initialize BaseApp
app.SetInitChainer(app.InitChainer)
app.SetAnteHandler(
anteHandlerProvider(
*app.IBCKeeper, ante.DefaultSigVerificationGasConsumer,
),
)
app.SetBlockProvider(blockProvider)
if err := app.LoadLatestVersion(); err != nil {
return nil, err
}
// Initialize and seal the capability keeper so all persistent capabilities
// are loaded in-memory and prevent any further modules from creating scoped
// sub-keepers.
ctx, writer := app.MakeCacheContext(tmproto.Header{})
app.CapabilityKeeper.InitializeAndSeal(ctx)
writer()
app.ScopedIBCKeeper = scopedIBCKeeper
app.ScopedTransferKeeper = scopedTransferKeeper
return app, nil
}
// initParamsKeeper init params keeper and its subspaces
func initParamsKeeper(appCodec codec.BinaryMarshaler, legacyAmino *codec.LegacyAmino, key, tkey sdk.StoreKey) paramskeeper.Keeper {
paramsKeeper := paramskeeper.NewKeeper(appCodec, legacyAmino, key, tkey)
paramsKeeper.Subspace(authtypes.ModuleName)
paramsKeeper.Subspace(banktypes.ModuleName)
paramsKeeper.Subspace(stakingtypes.ModuleName)
paramsKeeper.Subspace(distrtypes.ModuleName)
paramsKeeper.Subspace(ibctransfertypes.ModuleName)
return paramsKeeper
}
// GetSubspace returns a param subspace for a given module name.
//
// NOTE: This is solely to be used for testing purposes.
func (app *IBCApp) GetSubspace(moduleName string) paramstypes.Subspace {
subspace, _ := app.ParamsKeeper.GetSubspace(moduleName)
return subspace
}
// BlockedAddrs returns all the app's module account addresses that are not
// allowed to receive external tokens.
func (app *IBCApp) BlockedAddrs() map[string]bool {
blockedAddrs := make(map[string]bool)
for acc := range maccPerms {
blockedAddrs[authtypes.NewModuleAddress(acc).String()] = !allowedReceivingModAcc[acc]
}
return blockedAddrs
}
// LegacyAmino returns IBCApp's amino codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *IBCApp) LegacyAmino() *codec.LegacyAmino {
return app.cdc
}
// AppCodec returns IBCApp's app codec.
//
// NOTE: This is solely to be used for testing purposes as it may be desirable
// for modules to register their own custom testing types.
func (app *IBCApp) AppCodec() codec.Marshaler {
return app.appCodec
}
func (app *IBCApp) InterfaceRegistry() types.InterfaceRegistry {
return app.interfaceRegistry
}
func (app *IBCApp) InitChainer(ctx sdk.Context, appStateBytes []byte) error {
var genesisState simapp.GenesisState
if err := tmjson.Unmarshal(appStateBytes, &genesisState); err != nil {
return err
}
app.mm.InitGenesis(ctx, app.appCodec, genesisState)
return nil
}
func (app *IBCApp) GetIBCKeeper() ibckeeper.Keeper {
return *app.IBCKeeper
}
// DefaultAnteHandler returns an AnteHandler that checks and increments sequence
// numbers, checks signatures & account numbers, and deducts fees from the first
// signer.
func DefaultAnteHandler(
ibcKeeper ibckeeper.Keeper,
sigGasConsumer ante.SignatureVerificationGasConsumer,
) sdk.AnteHandler {
return sdk.ChainAnteDecorators(
// ante.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
// ante.NewMempoolFeeDecorator(),
ante.NewValidateBasicDecorator(),
// ante.NewValidateMemoDecorator(ak),
// ante.NewConsumeGasForTxSizeDecorator(ak),
// NewSetPubKeyDecorator(ak), // SetPubKeyDecorator must be called before all signature verification decorators
// NewValidateSigCountDecorator(ak),
// NewDeductFeeDecorator(ak, bankKeeper),
// NewSigGasConsumeDecorator(ak, sigGasConsumer),
// NewSigVerificationDecorator(ak),
// NewIncrementSequenceDecorator(ak),
)
}
// MakeEncodingConfig creates an EncodingConfig for an amino based test configuration.
func MakeEncodingConfig() simappparams.EncodingConfig {
encodingConfig := simappparams.MakeTestEncodingConfig()
std.RegisterLegacyAminoCodec(encodingConfig.Amino)
std.RegisterInterfaces(encodingConfig.InterfaceRegistry)
ModuleBasics.RegisterLegacyAminoCodec(encodingConfig.Amino)
ModuleBasics.RegisterInterfaces(encodingConfig.InterfaceRegistry)
return encodingConfig
}
// NewDefaultGenesisState generates the default state for the application.
func NewDefaultGenesisState() simapp.GenesisState {
encCfg := MakeEncodingConfig()
return ModuleBasics.DefaultGenesis(encCfg.Marshaler)
}