laconicd/app/ethermint.go
Austin Abell ce8a94a98e
Cosmos PR changes (#158)
* Changes necessary for enforced custom account encoding/decoding and keyring keybase changes

* updates cosmos dependency and fixes inconsistency in gas usage for simulated/real txs

* Update PR changes

* Remove unused password prompt when using OS keyring

* Update from changes to sdk

* Update to merged PR commit :the_horns:

* updated code to handle keyring backend options

* update documentation and replace cosmos-sdk with fork (temporarily)

* update cosmos dependency from fork

* update documentation
2019-12-13 14:50:19 -05:00

275 lines
10 KiB
Go

package app
import (
"encoding/json"
"os"
emintcrypto "github.com/cosmos/ethermint/crypto"
"github.com/cosmos/ethermint/x/evm"
bam "github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/codec"
cryptokeys "github.com/cosmos/cosmos-sdk/crypto/keys"
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"
"github.com/cosmos/cosmos-sdk/x/genutil"
"github.com/cosmos/cosmos-sdk/x/gov"
"github.com/cosmos/cosmos-sdk/x/mint"
"github.com/cosmos/cosmos-sdk/x/params"
paramsclient "github.com/cosmos/cosmos-sdk/x/params/client"
"github.com/cosmos/cosmos-sdk/x/slashing"
"github.com/cosmos/cosmos-sdk/x/staking"
"github.com/cosmos/cosmos-sdk/x/supply"
eminttypes "github.com/cosmos/ethermint/types"
evmtypes "github.com/cosmos/ethermint/x/evm/types"
abci "github.com/tendermint/tendermint/abci/types"
cmn "github.com/tendermint/tendermint/libs/common"
tmlog "github.com/tendermint/tendermint/libs/log"
dbm "github.com/tendermint/tm-db"
)
const appName = "Ethermint"
var (
// DefaultCLIHome sets the 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")
// ModuleBasics is the module BasicManager is in charge of setting up basic,
// non-dependant module elements, such as codec registration
// and genesis verification.
ModuleBasics = module.NewBasicManager(
genutil.AppModuleBasic{},
auth.AppModuleBasic{},
bank.AppModuleBasic{},
staking.AppModuleBasic{},
mint.AppModuleBasic{},
distr.AppModuleBasic{},
gov.NewAppModuleBasic(paramsclient.ProposalHandler, distr.ProposalHandler),
params.AppModuleBasic{},
crisis.AppModuleBasic{},
slashing.AppModuleBasic{},
supply.AppModuleBasic{},
evm.AppModuleBasic{},
)
// module account permissions
maccPerms = map[string][]string{
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},
}
)
// MakeCodec generates the necessary codecs for Amino
func MakeCodec() *codec.Codec {
var cdc = codec.New()
ModuleBasics.RegisterCodec(cdc)
cryptokeys.RegisterCodec(cdc) // temporary
sdk.RegisterCodec(cdc)
codec.RegisterCrypto(cdc)
emintcrypto.RegisterCodec(cdc)
eminttypes.RegisterCodec(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
keys map[string]*sdk.KVStoreKey
tkeys map[string]*sdk.TransientStoreKey
// 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
evmKeeper evm.Keeper
// the module manager
mm *module.Manager
}
// NewEthermintApp returns a reference to a new initialized Ethermint
// application.
//
// 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()
bApp := bam.NewBaseApp(appName, logger, db, evmtypes.TxDecoder(cdc), baseAppOptions...)
bApp.SetAppVersion(version.Version)
keys := sdk.NewKVStoreKeys(bam.MainStoreKey, auth.StoreKey, staking.StoreKey,
supply.StoreKey, mint.StoreKey, distr.StoreKey, slashing.StoreKey,
gov.StoreKey, params.StoreKey, evmtypes.EvmStoreKey, evmtypes.EvmCodeKey)
blockKey := sdk.NewKVStoreKey(evmtypes.EvmBlockKey)
tkeys := sdk.NewTransientStoreKeys(staking.TStoreKey, params.TStoreKey)
app := &EthermintApp{
BaseApp: bApp,
cdc: cdc,
invCheckPeriod: invCheckPeriod,
keys: keys,
tkeys: tkeys,
}
// init params keeper and subspaces
app.paramsKeeper = params.NewKeeper(app.cdc, keys[params.StoreKey], tkeys[params.TStoreKey], 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).WithKeyTable(gov.ParamKeyTable())
crisisSubspace := app.paramsKeeper.Subspace(crisis.DefaultParamspace)
// add keepers
app.accountKeeper = auth.NewAccountKeeper(app.cdc, keys[auth.StoreKey], authSubspace, eminttypes.ProtoBaseAccount)
app.bankKeeper = bank.NewBaseKeeper(app.accountKeeper, bankSubspace, bank.DefaultCodespace, app.ModuleAccountAddrs())
app.supplyKeeper = supply.NewKeeper(app.cdc, keys[supply.StoreKey], app.accountKeeper, app.bankKeeper, maccPerms)
stakingKeeper := staking.NewKeeper(app.cdc, keys[staking.StoreKey],
app.supplyKeeper, stakingSubspace, staking.DefaultCodespace)
app.mintKeeper = mint.NewKeeper(app.cdc, keys[mint.StoreKey], mintSubspace, &stakingKeeper, app.supplyKeeper, auth.FeeCollectorName)
app.distrKeeper = distr.NewKeeper(app.cdc, keys[distr.StoreKey], distrSubspace, &stakingKeeper,
app.supplyKeeper, distr.DefaultCodespace, auth.FeeCollectorName, app.ModuleAccountAddrs())
app.slashingKeeper = slashing.NewKeeper(app.cdc, keys[slashing.StoreKey], &stakingKeeper,
slashingSubspace, slashing.DefaultCodespace)
app.crisisKeeper = crisis.NewKeeper(crisisSubspace, invCheckPeriod, app.supplyKeeper, auth.FeeCollectorName)
app.evmKeeper = evm.NewKeeper(app.accountKeeper, keys[evmtypes.EvmStoreKey], keys[evmtypes.EvmCodeKey], blockKey, cdc)
// 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, keys[gov.StoreKey], 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(
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.accountKeeper, app.supplyKeeper, app.stakingKeeper),
gov.NewAppModule(app.govKeeper, app.accountKeeper, app.supplyKeeper),
mint.NewAppModule(app.mintKeeper),
slashing.NewAppModule(app.slashingKeeper, app.accountKeeper, app.stakingKeeper),
staking.NewAppModule(app.stakingKeeper, app.accountKeeper, app.supplyKeeper),
evm.NewAppModule(app.evmKeeper),
)
// 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(evmtypes.ModuleName, mint.ModuleName, distr.ModuleName, slashing.ModuleName)
app.mm.SetOrderEndBlockers(evmtypes.ModuleName, crisis.ModuleName, gov.ModuleName, staking.ModuleName)
// NOTE: The genutils module must occur after staking so that pools are
// properly initialized with tokens from genesis accounts.
app.mm.SetOrderInitGenesis(
distr.ModuleName, staking.ModuleName,
auth.ModuleName, bank.ModuleName, slashing.ModuleName, gov.ModuleName,
mint.ModuleName, supply.ModuleName, crisis.ModuleName, genutil.ModuleName, evmtypes.ModuleName,
)
app.mm.RegisterInvariants(&app.crisisKeeper)
app.mm.RegisterRoutes(app.Router(), app.QueryRouter())
// initialize stores
app.MountKVStores(keys)
app.MountTransientStores(tkeys)
// Mount block hash mapping key as DB (no need for historical queries)
app.MountStore(blockKey, sdk.StoreTypeDB)
// initialize BaseApp
app.SetInitChainer(app.InitChainer)
app.SetBeginBlocker(app.BeginBlocker)
app.SetAnteHandler(NewAnteHandler(app.accountKeeper, app.supplyKeeper))
app.SetEndBlocker(app.EndBlocker)
if loadLatest {
err := app.LoadLatestVersion(app.keys[bam.MainStoreKey])
if err != nil {
cmn.Exit(err.Error())
}
}
return app
}
// GenesisState is the 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
// BeginBlocker updates every begin block
func (app *EthermintApp) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock {
return app.mm.BeginBlock(ctx, req)
}
// EndBlocker updates every end block
func (app *EthermintApp) EndBlocker(ctx sdk.Context, req abci.RequestEndBlock) abci.ResponseEndBlock {
return app.mm.EndBlock(ctx, req)
}
// InitChainer updates 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)
}
// LoadHeight loads state at a particular height
func (app *EthermintApp) LoadHeight(height int64) error {
return app.LoadVersion(height, app.keys[bam.MainStoreKey])
}
// ModuleAccountAddrs returns all the app's module account addresses.
func (app *EthermintApp) ModuleAccountAddrs() map[string]bool {
modAccAddrs := make(map[string]bool)
for acc := range maccPerms {
modAccAddrs[app.supplyKeeper.GetModuleAddress(acc).String()] = true
}
return modAccAddrs
}