0g-chain/app/app.go

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package app
import (
"io"
"os"
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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"github.com/kava-labs/kava/x/auction"
"github.com/kava-labs/kava/x/cdp"
"github.com/kava-labs/kava/x/committee"
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"github.com/kava-labs/kava/x/pricefeed"
validatorvesting "github.com/kava-labs/kava/x/validator-vesting"
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)
const (
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appName = "kava"
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Bech32MainPrefix = "kava"
Bip44CoinType = 459 // see https://github.com/satoshilabs/slips/blob/master/slip-0044.md
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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{},
committee.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
committeeKeeper committee.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, committee.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)
app.committeeKeeper = committee.NewKeeper(
app.cdc,
keys[committee.StoreKey],
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govRouter,
// TODO blacklist module addresses?
)
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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),
committee.NewAppModule(app.committeeKeeper),
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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.
// Auction.BeginBlocker will close out expired auctions and pay debt back to cdp. So it should be run before cdp.BeginBlocker which cancels out debt with stable and starts more auctions.
app.mm.SetOrderBeginBlockers(mint.ModuleName, distr.ModuleName, slashing.ModuleName, validatorvesting.ModuleName, auction.ModuleName, cdp.ModuleName)
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app.mm.SetOrderEndBlockers(crisis.ModuleName, gov.ModuleName, staking.ModuleName, pricefeed.ModuleName)
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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, committee.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),
cdp.NewAppModule(app.cdpKeeper, app.pricefeedKeeper), // TODO how is the order be decided here? Is this order correct?
pricefeed.NewAppModule(app.pricefeedKeeper),
auction.NewAppModule(app.auctionKeeper, app.supplyKeeper),
// TODO committee
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)
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)
// app.SetAnteHandler(NewAnteHandler(app.accountKeeper, app.supplyKeeper, app.shutdownKeeper, 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
}
// func NewAnteHandler(ak auth.AccountKeeper, supplyKeeper supply.Keeper, shutdownKeeper shutdown.Keeper, sigGasConsumer SignatureVerificationGasConsumer) sdk.AnteHandler {
// return sdk.ChainAnteDecorators(
// auth.NewSetUpContextDecorator(), // outermost AnteDecorator. SetUpContext must be called first
// shutdownAnte.NewDisableMsgDecorator(shutdownKeeper),
// auth.NewMempoolFeeDecorator(),
// auth.NewValidateBasicDecorator(),
// auth.NewValidateMemoDecorator(ak),
// auth.NewConsumeGasForTxSizeDecorator(ak),
// auth.NewSetPubKeyDecorator(ak), // SetPubKeyDecorator must be called before all signature verification decorators
// auth.NewValidateSigCountDecorator(ak),
// auth.NewDeductFeeDecorator(ak, supplyKeeper),
// auth.NewSigGasConsumeDecorator(ak, sigGasConsumer),
// auth.NewSigVerificationDecorator(ak),
// auth.NewIncrementSequenceDecorator(ak), // innermost AnteDecorator
// )
// }
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// 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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}
// SetBech32AddressPrefixes sets the global prefix to be used when serializing addresses to bech32 strings.
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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)
}
// SetBip44CoinType sets the global coin type to be used in hierarchical deterministic wallets.
func SetBip44CoinType(config *sdk.Config) {
config.SetCoinType(Bip44CoinType)
}
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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
}