0g-chain/app/app.go

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package app
import (
"io"
"os"
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"github.com/kava-labs/kava/x/auction"
"github.com/kava-labs/kava/x/cdp"
"github.com/kava-labs/kava/x/pricefeed"
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validatorvesting "github.com/kava-labs/kava/x/validator-vesting"
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abci "github.com/tendermint/tendermint/abci/types"
cmn "github.com/tendermint/tendermint/libs/common"
"github.com/tendermint/tendermint/libs/log"
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dbm "github.com/tendermint/tm-db"
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bam "github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/version"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/auth/vesting"
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"github.com/cosmos/cosmos-sdk/x/bank"
"github.com/cosmos/cosmos-sdk/x/crisis"
distr "github.com/cosmos/cosmos-sdk/x/distribution"
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"github.com/cosmos/cosmos-sdk/x/genutil"
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"github.com/cosmos/cosmos-sdk/x/gov"
"github.com/cosmos/cosmos-sdk/x/mint"
"github.com/cosmos/cosmos-sdk/x/params"
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paramsclient "github.com/cosmos/cosmos-sdk/x/params/client"
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"github.com/cosmos/cosmos-sdk/x/slashing"
"github.com/cosmos/cosmos-sdk/x/staking"
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"github.com/cosmos/cosmos-sdk/x/supply"
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)
const (
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appName = "kava"
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Bech32MainPrefix = "kava"
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)
var (
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// default home directories for expected binaries
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DefaultCLIHome = os.ExpandEnv("$HOME/.kvcli")
DefaultNodeHome = os.ExpandEnv("$HOME/.kvd")
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// ModuleBasics manages simple versions of full app modules. It's used for things such as codec registration and genesis file verification.
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ModuleBasics = module.NewBasicManager(
genutil.AppModuleBasic{},
auth.AppModuleBasic{},
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validatorvesting.AppModuleBasic{},
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bank.AppModuleBasic{},
staking.AppModuleBasic{},
mint.AppModuleBasic{},
distr.AppModuleBasic{},
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gov.NewAppModuleBasic(paramsclient.ProposalHandler, distr.ProposalHandler),
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params.AppModuleBasic{},
crisis.AppModuleBasic{},
slashing.AppModuleBasic{},
supply.AppModuleBasic{},
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auction.AppModuleBasic{},
cdp.AppModuleBasic{},
pricefeed.AppModuleBasic{},
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)
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// module account permissions
mAccPerms = map[string][]string{
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auth.FeeCollectorName: nil,
distr.ModuleName: nil,
mint.ModuleName: {supply.Minter},
staking.BondedPoolName: {supply.Burner, supply.Staking},
staking.NotBondedPoolName: {supply.Burner, supply.Staking},
gov.ModuleName: {supply.Burner},
validatorvesting.ModuleName: {supply.Burner},
auction.ModuleName: nil,
cdp.ModuleName: {supply.Minter, supply.Burner},
cdp.LiquidatorMacc: {supply.Minter, supply.Burner},
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}
)
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// Extended ABCI application
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type App struct {
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*bam.BaseApp
cdc *codec.Codec
invCheckPeriod uint
// keys to access the substores
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keys map[string]*sdk.KVStoreKey
tkeys map[string]*sdk.TransientStoreKey
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// keepers from all the modules
accountKeeper auth.AccountKeeper
bankKeeper bank.Keeper
supplyKeeper supply.Keeper
stakingKeeper staking.Keeper
slashingKeeper slashing.Keeper
mintKeeper mint.Keeper
distrKeeper distr.Keeper
govKeeper gov.Keeper
crisisKeeper crisis.Keeper
paramsKeeper params.Keeper
vvKeeper validatorvesting.Keeper
auctionKeeper auction.Keeper
cdpKeeper cdp.Keeper
pricefeedKeeper pricefeed.Keeper
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// the module manager
mm *module.Manager
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// simulation manager
sm *module.SimulationManager
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}
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// NewApp returns a reference to an initialized App.
func NewApp(logger log.Logger, db dbm.DB, traceStore io.Writer, loadLatest bool,
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invCheckPeriod uint,
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baseAppOptions ...func(*bam.BaseApp)) *App {
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cdc := MakeCodec()
bApp := bam.NewBaseApp(appName, logger, db, auth.DefaultTxDecoder(cdc), baseAppOptions...)
bApp.SetCommitMultiStoreTracer(traceStore)
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bApp.SetAppVersion(version.Version)
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keys := sdk.NewKVStoreKeys(
bam.MainStoreKey, auth.StoreKey, staking.StoreKey,
supply.StoreKey, mint.StoreKey, distr.StoreKey, slashing.StoreKey,
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gov.StoreKey, params.StoreKey, validatorvesting.StoreKey,
auction.StoreKey, cdp.StoreKey, pricefeed.StoreKey,
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)
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tkeys := sdk.NewTransientStoreKeys(params.TStoreKey)
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var app = &App{
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BaseApp: bApp,
cdc: cdc,
invCheckPeriod: invCheckPeriod,
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keys: keys,
tkeys: tkeys,
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}
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// init params keeper and subspaces
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app.paramsKeeper = params.NewKeeper(app.cdc, keys[params.StoreKey], tkeys[params.TStoreKey], params.DefaultCodespace)
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authSubspace := app.paramsKeeper.Subspace(auth.DefaultParamspace)
bankSubspace := app.paramsKeeper.Subspace(bank.DefaultParamspace)
stakingSubspace := app.paramsKeeper.Subspace(staking.DefaultParamspace)
mintSubspace := app.paramsKeeper.Subspace(mint.DefaultParamspace)
distrSubspace := app.paramsKeeper.Subspace(distr.DefaultParamspace)
slashingSubspace := app.paramsKeeper.Subspace(slashing.DefaultParamspace)
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govSubspace := app.paramsKeeper.Subspace(gov.DefaultParamspace).WithKeyTable(gov.ParamKeyTable())
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crisisSubspace := app.paramsKeeper.Subspace(crisis.DefaultParamspace)
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auctionSubspace := app.paramsKeeper.Subspace(auction.DefaultParamspace)
cdpSubspace := app.paramsKeeper.Subspace(cdp.DefaultParamspace)
pricefeedSubspace := app.paramsKeeper.Subspace(pricefeed.DefaultParamspace)
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// add keepers
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app.accountKeeper = auth.NewAccountKeeper(
app.cdc,
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keys[auth.StoreKey],
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authSubspace,
auth.ProtoBaseAccount)
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app.bankKeeper = bank.NewBaseKeeper(
app.accountKeeper,
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bankSubspace,
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bank.DefaultCodespace,
app.ModuleAccountAddrs())
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app.supplyKeeper = supply.NewKeeper(
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app.cdc,
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keys[supply.StoreKey],
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app.accountKeeper,
app.bankKeeper,
mAccPerms)
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stakingKeeper := staking.NewKeeper(
app.cdc,
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keys[staking.StoreKey],
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app.supplyKeeper,
stakingSubspace,
staking.DefaultCodespace)
app.mintKeeper = mint.NewKeeper(
app.cdc,
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keys[mint.StoreKey],
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mintSubspace,
&stakingKeeper,
app.supplyKeeper,
auth.FeeCollectorName)
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app.distrKeeper = distr.NewKeeper(
app.cdc,
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keys[distr.StoreKey],
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distrSubspace,
&stakingKeeper,
app.supplyKeeper,
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distr.DefaultCodespace,
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auth.FeeCollectorName,
app.ModuleAccountAddrs())
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app.slashingKeeper = slashing.NewKeeper(
app.cdc,
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keys[slashing.StoreKey],
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&stakingKeeper,
slashingSubspace,
slashing.DefaultCodespace)
app.crisisKeeper = crisis.NewKeeper(
crisisSubspace,
invCheckPeriod,
app.supplyKeeper,
auth.FeeCollectorName)
govRouter := gov.NewRouter()
govRouter.
AddRoute(gov.RouterKey, gov.ProposalHandler).
AddRoute(params.RouterKey, params.NewParamChangeProposalHandler(app.paramsKeeper)).
AddRoute(distr.RouterKey, distr.NewCommunityPoolSpendProposalHandler(app.distrKeeper))
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app.govKeeper = gov.NewKeeper(
app.cdc,
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keys[gov.StoreKey],
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govSubspace,
app.supplyKeeper,
&stakingKeeper,
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gov.DefaultCodespace,
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govRouter)
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app.vvKeeper = validatorvesting.NewKeeper(
app.cdc,
keys[validatorvesting.StoreKey],
app.accountKeeper,
app.bankKeeper,
app.supplyKeeper,
&stakingKeeper)
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app.pricefeedKeeper = pricefeed.NewKeeper(
app.cdc,
keys[pricefeed.StoreKey],
pricefeedSubspace,
pricefeed.DefaultCodespace)
// NewKeeper(cdc *codec.Codec, key sdk.StoreKey, paramstore subspace.Subspace, pfk types.PricefeedKeeper, sk types.SupplyKeeper, codespace sdk.CodespaceType)
app.auctionKeeper = auction.NewKeeper(
app.cdc,
keys[auction.StoreKey],
app.supplyKeeper,
auctionSubspace)
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app.cdpKeeper = cdp.NewKeeper(
app.cdc,
keys[cdp.StoreKey],
cdpSubspace,
app.pricefeedKeeper,
app.auctionKeeper,
app.supplyKeeper,
cdp.DefaultCodespace)
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// register the staking hooks
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// NOTE: stakingKeeper above is passed by reference, so that it will contain these hooks
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app.stakingKeeper = *stakingKeeper.SetHooks(
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staking.NewMultiStakingHooks(app.distrKeeper.Hooks(), app.slashingKeeper.Hooks()))
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// create the module manager (Note: Any module instantiated in the module manager that is later modified
// must be passed by reference here.)
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app.mm = module.NewManager(
genutil.NewAppModule(app.accountKeeper, app.stakingKeeper, app.BaseApp.DeliverTx),
auth.NewAppModule(app.accountKeeper),
bank.NewAppModule(app.bankKeeper, app.accountKeeper),
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crisis.NewAppModule(&app.crisisKeeper),
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supply.NewAppModule(app.supplyKeeper, app.accountKeeper),
distr.NewAppModule(app.distrKeeper, app.supplyKeeper),
gov.NewAppModule(app.govKeeper, app.supplyKeeper),
mint.NewAppModule(app.mintKeeper),
slashing.NewAppModule(app.slashingKeeper, app.stakingKeeper),
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staking.NewAppModule(app.stakingKeeper, app.accountKeeper, app.supplyKeeper),
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validatorvesting.NewAppModule(app.vvKeeper, app.accountKeeper),
auction.NewAppModule(app.auctionKeeper, app.supplyKeeper),
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cdp.NewAppModule(app.cdpKeeper, app.pricefeedKeeper),
pricefeed.NewAppModule(app.pricefeedKeeper),
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)
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// During begin block slashing happens after distr.BeginBlocker so that
// there is nothing left over in the validator fee pool, so as to keep the
// CanWithdrawInvariant invariant.
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app.mm.SetOrderBeginBlockers(mint.ModuleName, distr.ModuleName, slashing.ModuleName, validatorvesting.ModuleName)
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app.mm.SetOrderEndBlockers(crisis.ModuleName, gov.ModuleName, staking.ModuleName, pricefeed.ModuleName, auction.ModuleName) // TODO is this correct order?
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// Note: genutils must occur after staking so that pools are properly
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// initialized with tokens from genesis accounts.
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//
// Note: Changing the order of the auth module and modules that use module accounts
// results in subtle changes to the way accounts are loaded from genesis.
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app.mm.SetOrderInitGenesis(
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auth.ModuleName, validatorvesting.ModuleName, distr.ModuleName,
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staking.ModuleName, bank.ModuleName, slashing.ModuleName,
gov.ModuleName, mint.ModuleName, supply.ModuleName, crisis.ModuleName, genutil.ModuleName,
pricefeed.ModuleName, cdp.ModuleName, auction.ModuleName, // TODO is this order ok?
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)
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app.mm.RegisterInvariants(&app.crisisKeeper)
app.mm.RegisterRoutes(app.Router(), app.QueryRouter())
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// create the simulation manager and define the order of the modules for deterministic simulations
//
// NOTE: This is not required for apps that don't use the simulator for fuzz testing
// transactions.
app.sm = module.NewSimulationManager(
auth.NewAppModule(app.accountKeeper),
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validatorvesting.NewAppModule(app.vvKeeper, app.accountKeeper),
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bank.NewAppModule(app.bankKeeper, app.accountKeeper),
supply.NewAppModule(app.supplyKeeper, app.accountKeeper),
gov.NewAppModule(app.govKeeper, app.supplyKeeper),
mint.NewAppModule(app.mintKeeper),
distr.NewAppModule(app.distrKeeper, app.supplyKeeper),
staking.NewAppModule(app.stakingKeeper, app.accountKeeper, app.supplyKeeper),
slashing.NewAppModule(app.slashingKeeper, app.stakingKeeper),
)
app.sm.RegisterStoreDecoders()
// initialize stores
app.MountKVStores(keys)
app.MountTransientStores(tkeys)
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// initialize the app
app.SetInitChainer(app.InitChainer)
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app.SetBeginBlocker(app.BeginBlocker)
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app.SetAnteHandler(auth.NewAnteHandler(app.accountKeeper, app.supplyKeeper, auth.DefaultSigVerificationGasConsumer))
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app.SetEndBlocker(app.EndBlocker)
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// load store
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if loadLatest {
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err := app.LoadLatestVersion(app.keys[bam.MainStoreKey])
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if err != nil {
cmn.Exit(err.Error())
}
}
return app
}
// custom tx codec
func MakeCodec() *codec.Codec {
var cdc = codec.New()
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ModuleBasics.RegisterCodec(cdc)
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vesting.RegisterCodec(cdc)
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sdk.RegisterCodec(cdc)
codec.RegisterCrypto(cdc)
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codec.RegisterEvidences(cdc)
return cdc.Seal()
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}
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func SetBech32AddressPrefixes(config *sdk.Config) {
config.SetBech32PrefixForAccount(Bech32MainPrefix, Bech32MainPrefix+sdk.PrefixPublic)
config.SetBech32PrefixForValidator(Bech32MainPrefix+sdk.PrefixValidator+sdk.PrefixOperator, Bech32MainPrefix+sdk.PrefixValidator+sdk.PrefixOperator+sdk.PrefixPublic)
config.SetBech32PrefixForConsensusNode(Bech32MainPrefix+sdk.PrefixValidator+sdk.PrefixConsensus, Bech32MainPrefix+sdk.PrefixValidator+sdk.PrefixConsensus+sdk.PrefixPublic)
}
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// application updates every end block
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func (app *App) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock {
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return app.mm.BeginBlock(ctx, req)
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}
// application updates every end block
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func (app *App) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock {
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return app.mm.EndBlock(ctx, req)
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}
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// custom logic for app initialization
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func (app *App) InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
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var genesisState GenesisState
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app.cdc.MustUnmarshalJSON(req.AppStateBytes, &genesisState)
return app.mm.InitGenesis(ctx, genesisState)
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}
// load a particular height
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func (app *App) LoadHeight(height int64) error {
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return app.LoadVersion(height, app.keys[bam.MainStoreKey])
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}
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// ModuleAccountAddrs returns all the app's module account addresses.
func (app *App) ModuleAccountAddrs() map[string]bool {
modAccAddrs := make(map[string]bool)
for acc := range mAccPerms {
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modAccAddrs[supply.NewModuleAddress(acc).String()] = true
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}
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return modAccAddrs
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}
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// Codec returns the application's sealed codec.
func (app *App) Codec() *codec.Codec {
return app.cdc
}
// GetMaccPerms returns a mapping of the application's module account permissions.
func GetMaccPerms() map[string][]string {
perms := make(map[string][]string)
for k, v := range mAccPerms {
perms[k] = v
}
return perms
}