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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"
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"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"
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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 { } ,
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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 } ,
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auction . ModuleName : nil ,
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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
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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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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 ,
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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 )
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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 )
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// NewKeeper(cdc *codec.Codec, key sdk.StoreKey, paramstore subspace.Subspace, pfk types.PricefeedKeeper, sk types.SupplyKeeper, codespace sdk.CodespaceType)
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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 ,
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app . auctionKeeper ,
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app . supplyKeeper ,
cdp . DefaultCodespace )
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app . committeeKeeper = committee . NewKeeper (
app . cdc ,
keys [ committee . StoreKey ] ,
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govRouter ,
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// 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 ) ,
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auction . NewAppModule ( app . auctionKeeper , app . supplyKeeper ) ,
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cdp . NewAppModule ( app . cdpKeeper , app . pricefeedKeeper ) ,
pricefeed . NewAppModule ( app . pricefeedKeeper ) ,
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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.
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// 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 ,
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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 ) ,
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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 ) ,
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// 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 )
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// 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
}
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// 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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}
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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 )
}
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// 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
}