laconicd-deprecated/app/ethermint.go

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package app
import (
"encoding/json"
"os"
bam "github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/cosmos-sdk/version"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/bank"
"github.com/cosmos/cosmos-sdk/x/crisis"
distr "github.com/cosmos/cosmos-sdk/x/distribution"
distrclient "github.com/cosmos/cosmos-sdk/x/distribution/client"
"github.com/cosmos/cosmos-sdk/x/genaccounts"
"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"
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"github.com/cosmos/cosmos-sdk/x/params"
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"
"github.com/cosmos/cosmos-sdk/x/supply"
"github.com/cosmos/ethermint/crypto"
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evmtypes "github.com/cosmos/ethermint/x/evm/types"
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abci "github.com/tendermint/tendermint/abci/types"
dbm "github.com/tendermint/tendermint/libs/db"
tmlog "github.com/tendermint/tendermint/libs/log"
tmtypes "github.com/tendermint/tendermint/types"
)
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const appName = "Ethermint"
var (
// default home directories for the application CLI
DefaultCLIHome = os.ExpandEnv("$HOME/.emintcli")
// DefaultNodeHome sets the folder where the applcation data and configuration will be stored
DefaultNodeHome = os.ExpandEnv("$HOME/.emintd")
// The module BasicManager is in charge of setting up basic,
// non-dependant module elements, such as codec registration
// and genesis verification.
ModuleBasics = module.NewBasicManager(
genaccounts.AppModuleBasic{},
genutil.AppModuleBasic{},
auth.AppModuleBasic{},
bank.AppModuleBasic{},
staking.AppModuleBasic{},
mint.AppModuleBasic{},
distr.AppModuleBasic{},
gov.NewAppModuleBasic(paramsclient.ProposalHandler, distrclient.ProposalHandler),
params.AppModuleBasic{},
crisis.AppModuleBasic{},
slashing.AppModuleBasic{},
supply.AppModuleBasic{},
)
)
// MakeCodec generates the necessary codecs for Amino
func MakeCodec() *codec.Codec {
var cdc = codec.New()
// TODO: Move this codec to module (Issue #12 https://github.com/ChainSafe/ethermint/issues/12)
crypto.RegisterCodec(cdc)
ModuleBasics.RegisterCodec(cdc)
sdk.RegisterCodec(cdc)
codec.RegisterCrypto(cdc)
return cdc
}
// EthermintApp implements an extended ABCI application. It is an application
// that may process transactions through Ethereum's EVM running atop of
// Tendermint consensus.
type EthermintApp struct {
*bam.BaseApp
cdc *codec.Codec
invCheckPeriod uint
// keys to access the substores
keyMain *sdk.KVStoreKey
keyAccount *sdk.KVStoreKey
keySupply *sdk.KVStoreKey
keyStaking *sdk.KVStoreKey
tkeyStaking *sdk.TransientStoreKey
keySlashing *sdk.KVStoreKey
keyMint *sdk.KVStoreKey
keyDistr *sdk.KVStoreKey
tkeyDistr *sdk.TransientStoreKey
keyGov *sdk.KVStoreKey
keyParams *sdk.KVStoreKey
tkeyParams *sdk.TransientStoreKey
// TODO: Add evm module key
// keepers
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
// TODO: Include evm Keeper
// the module manager
mm *module.Manager
}
// NewEthermintApp returns a reference to a new initialized Ethermint
// application.
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//
// TODO: Ethermint needs to support being bootstrapped as an application running
// in a sovereign zone and as an application running with a shared security model.
// For now, it will support only running as a sovereign application.
func NewEthermintApp(logger tmlog.Logger, db dbm.DB, loadLatest bool,
invCheckPeriod uint, baseAppOptions ...func(*bam.BaseApp)) *EthermintApp {
cdc := MakeCodec()
baseApp := bam.NewBaseApp(appName, logger, db, evmtypes.TxDecoder(cdc), baseAppOptions...)
baseApp.SetAppVersion(version.Version)
var app = &EthermintApp{
BaseApp: baseApp,
cdc: cdc,
invCheckPeriod: invCheckPeriod,
keyMain: sdk.NewKVStoreKey(bam.MainStoreKey),
keyAccount: sdk.NewKVStoreKey(auth.StoreKey),
keyStaking: sdk.NewKVStoreKey(staking.StoreKey),
keySupply: sdk.NewKVStoreKey(supply.StoreKey),
tkeyStaking: sdk.NewTransientStoreKey(staking.TStoreKey),
keyMint: sdk.NewKVStoreKey(mint.StoreKey),
keyDistr: sdk.NewKVStoreKey(distr.StoreKey),
tkeyDistr: sdk.NewTransientStoreKey(distr.TStoreKey),
keySlashing: sdk.NewKVStoreKey(slashing.StoreKey),
keyGov: sdk.NewKVStoreKey(gov.StoreKey),
keyParams: sdk.NewKVStoreKey(params.StoreKey),
tkeyParams: sdk.NewTransientStoreKey(params.TStoreKey),
// TODO: Initialize evm module key
}
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// init params keeper and subspaces
app.paramsKeeper = params.NewKeeper(app.cdc, app.keyParams, app.tkeyParams, params.DefaultCodespace)
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)
govSubspace := app.paramsKeeper.Subspace(gov.DefaultParamspace)
crisisSubspace := app.paramsKeeper.Subspace(crisis.DefaultParamspace)
// account permissions
maccPerms := map[string][]string{
auth.FeeCollectorName: []string{supply.Basic},
distr.ModuleName: []string{supply.Basic},
mint.ModuleName: []string{supply.Minter},
staking.BondedPoolName: []string{supply.Burner, supply.Staking},
staking.NotBondedPoolName: []string{supply.Burner, supply.Staking},
gov.ModuleName: []string{supply.Burner},
}
// add keepers
app.accountKeeper = auth.NewAccountKeeper(app.cdc, app.keyAccount, authSubspace, auth.ProtoBaseAccount)
app.bankKeeper = bank.NewBaseKeeper(app.accountKeeper, bankSubspace, bank.DefaultCodespace)
app.supplyKeeper = supply.NewKeeper(app.cdc, app.keySupply, app.accountKeeper, app.bankKeeper, supply.DefaultCodespace, maccPerms)
stakingKeeper := staking.NewKeeper(app.cdc, app.keyStaking, app.tkeyStaking,
app.supplyKeeper, stakingSubspace, staking.DefaultCodespace)
app.mintKeeper = mint.NewKeeper(app.cdc, app.keyMint, mintSubspace, &stakingKeeper, app.supplyKeeper, auth.FeeCollectorName)
app.distrKeeper = distr.NewKeeper(app.cdc, app.keyDistr, distrSubspace, &stakingKeeper,
app.supplyKeeper, distr.DefaultCodespace, auth.FeeCollectorName)
app.slashingKeeper = slashing.NewKeeper(app.cdc, app.keySlashing, &stakingKeeper,
slashingSubspace, slashing.DefaultCodespace)
app.crisisKeeper = crisis.NewKeeper(crisisSubspace, invCheckPeriod, app.supplyKeeper, auth.FeeCollectorName)
// TODO: Instantiate evm Keeper
// register the proposal types
govRouter := gov.NewRouter()
govRouter.AddRoute(gov.RouterKey, gov.ProposalHandler).
AddRoute(params.RouterKey, params.NewParamChangeProposalHandler(app.paramsKeeper)).
AddRoute(distr.RouterKey, distr.NewCommunityPoolSpendProposalHandler(app.distrKeeper))
app.govKeeper = gov.NewKeeper(app.cdc, app.keyGov, app.paramsKeeper, govSubspace,
app.supplyKeeper, &stakingKeeper, gov.DefaultCodespace, govRouter)
// register the staking hooks
// NOTE: stakingKeeper above is passed by reference, so that it will contain these hooks
app.stakingKeeper = *stakingKeeper.SetHooks(
staking.NewMultiStakingHooks(app.distrKeeper.Hooks(), app.slashingKeeper.Hooks()))
app.mm = module.NewManager(
genaccounts.NewAppModule(app.accountKeeper),
genutil.NewAppModule(app.accountKeeper, app.stakingKeeper, app.BaseApp.DeliverTx),
auth.NewAppModule(app.accountKeeper),
bank.NewAppModule(app.bankKeeper, app.accountKeeper),
crisis.NewAppModule(app.crisisKeeper),
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),
staking.NewAppModule(app.stakingKeeper, app.distrKeeper, app.accountKeeper, app.supplyKeeper),
)
// 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.
app.mm.SetOrderBeginBlockers(mint.ModuleName, distr.ModuleName, slashing.ModuleName)
app.mm.SetOrderEndBlockers(gov.ModuleName, staking.ModuleName)
// genutils must occur after staking so that pools are properly
// initialized with tokens from genesis accounts.
app.mm.SetOrderInitGenesis(genaccounts.ModuleName, supply.ModuleName, distr.ModuleName,
staking.ModuleName, auth.ModuleName, bank.ModuleName, slashing.ModuleName,
gov.ModuleName, mint.ModuleName, crisis.ModuleName, genutil.ModuleName)
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app.mm.RegisterInvariants(&app.crisisKeeper)
app.mm.RegisterRoutes(app.Router(), app.QueryRouter())
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// initialize stores
app.MountStores(app.keyMain, app.keyAccount, app.keySupply, app.keyStaking,
app.keyMint, app.keyDistr, app.keySlashing, app.keyGov, app.keyParams,
app.tkeyParams, app.tkeyStaking, app.tkeyDistr)
// initialize BaseApp
app.SetInitChainer(app.InitChainer)
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app.SetBeginBlocker(app.BeginBlocker)
app.SetAnteHandler(auth.NewAnteHandler(app.accountKeeper, app.supplyKeeper, auth.DefaultSigVerificationGasConsumer))
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app.SetEndBlocker(app.EndBlocker)
if loadLatest {
err := app.LoadLatestVersion(app.keyMain)
if err != nil {
panic(err)
}
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}
return app
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}
// The genesis state of the blockchain is represented here as a map of raw json
// messages key'd by a identifier string.
type GenesisState map[string]json.RawMessage
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// application updates every begin block
func (app *EthermintApp) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock {
return app.mm.BeginBlock(ctx, req)
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}
// application updates every end block
func (app *EthermintApp) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock {
return app.mm.EndBlock(ctx, req)
}
// application update at chain initialization
func (app *EthermintApp) InitChainer(ctx sdk.Context, req abci.RequestInitChain) abci.ResponseInitChain {
var genesisState GenesisState
app.cdc.MustUnmarshalJSON(req.AppStateBytes, &genesisState)
return app.mm.InitGenesis(ctx, genesisState)
}
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// load a particular height
func (app *EthermintApp) LoadHeight(height int64) error {
return app.LoadVersion(height, app.keyMain)
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}
// ExportAppStateAndValidators exports the state of the application for a genesis
// file.
func (app *EthermintApp) ExportAppStateAndValidators(forZeroHeight bool, jailWhiteList []string,
) (appState json.RawMessage, validators []tmtypes.GenesisValidator, err error) {
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// Creates context with current height and checks txs for ctx to be usable by start of next block
ctx := app.NewContext(true, abci.Header{Height: app.LastBlockHeight()})
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// Export genesis to be used by SDK modules
genState := app.mm.ExportGenesis(ctx)
appState, err = codec.MarshalJSONIndent(app.cdc, genState)
if err != nil {
return nil, nil, err
}
// Write validators to staking module to be used by TM node
validators = staking.WriteValidators(ctx, app.stakingKeeper)
return appState, validators, nil
}