imp(all): setup a validator in the test genesis (#1171)

It's disabled in cosmos-sdk 0.46's InitGenesis to have zero validators,
prepare for the upgrade of cosmos-sdk 0.46.

app/app_test.go

@@ -1,7 +1,6 @@
 package app
 
 import (
-	"encoding/json"
 	"os"
 	"testing"
 
@@ -9,7 +8,6 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/simapp"
 
-	abci "github.com/tendermint/tendermint/abci/types"
 	"github.com/tendermint/tendermint/libs/log"
 	dbm "github.com/tendermint/tm-db"
 
@@ -18,24 +16,11 @@ import (
 
 func TestEthermintAppExport(t *testing.T) {
 	db := dbm.NewMemDB()
-	app := NewEthermintApp(log.NewTMLogger(log.NewSyncWriter(os.Stdout)), db, nil, true, map[int64]bool{}, DefaultNodeHome, 0, encoding.MakeConfig(ModuleBasics), simapp.EmptyAppOptions{})
+	app := SetupWithDB(false, nil, db)
-
-	genesisState := NewDefaultGenesisState()
-	stateBytes, err := json.MarshalIndent(genesisState, "", "  ")
-	require.NoError(t, err)
-
-	// Initialize the chain
-	app.InitChain(
-		abci.RequestInitChain{
-			ChainId:       "ethermint_9000-1",
-			Validators:    []abci.ValidatorUpdate{},
-			AppStateBytes: stateBytes,
-		},
-	)
 	app.Commit()
 
 	// Making a new app object with the db, so that initchain hasn't been called
 	app2 := NewEthermintApp(log.NewTMLogger(log.NewSyncWriter(os.Stdout)), db, nil, true, map[int64]bool{}, DefaultNodeHome, 0, encoding.MakeConfig(ModuleBasics), simapp.EmptyAppOptions{})
-	_, err = app2.ExportAppStateAndValidators(false, []string{})
+	_, err := app2.ExportAppStateAndValidators(false, []string{})
 	require.NoError(t, err, "ExportAppStateAndValidators should not have an error")
 }

app/benchmark_test.go

@@ -16,7 +16,7 @@ func BenchmarkEthermintApp_ExportAppStateAndValidators(b *testing.B) {
 	db := dbm.NewMemDB()
 	app := NewEthermintApp(log.NewTMLogger(io.Discard), db, nil, true, map[int64]bool{}, DefaultNodeHome, 0, encoding.MakeConfig(ModuleBasics), simapp.EmptyAppOptions{})
 
-	genesisState := NewDefaultGenesisState()
+	genesisState := NewTestGenesisState(app.AppCodec())
 	stateBytes, err := json.MarshalIndent(genesisState, "", "  ")
 	if err != nil {
 		b.Fatal(err)

app/utils.go

@@ -6,10 +6,13 @@ import (
 	"time"
 
 	"github.com/cosmos/cosmos-sdk/codec"
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
 	"github.com/cosmos/cosmos-sdk/simapp"
 	"github.com/cosmos/cosmos-sdk/types/module"
 	authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
+	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
 
 	"github.com/evmos/ethermint/encoding"
@@ -50,11 +53,15 @@ var DefaultConsensusParams = &abci.ConsensusParams{
 
 // Setup initializes a new EthermintApp. A Nop logger is set in EthermintApp.
 func Setup(isCheckTx bool, patchGenesis func(*EthermintApp, simapp.GenesisState) simapp.GenesisState) *EthermintApp {
-	db := dbm.NewMemDB()
+	return SetupWithDB(isCheckTx, patchGenesis, dbm.NewMemDB())
+}
+
+// SetupWithDB initializes a new EthermintApp. A Nop logger is set in EthermintApp.
+func SetupWithDB(isCheckTx bool, patchGenesis func(*EthermintApp, simapp.GenesisState) simapp.GenesisState, db dbm.DB) *EthermintApp {
 	app := NewEthermintApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, DefaultNodeHome, 5, encoding.MakeConfig(ModuleBasics), simapp.EmptyAppOptions{})
 	if !isCheckTx {
 		// init chain must be called to stop deliverState from being nil
-		genesisState := NewDefaultGenesisState()
+		genesisState := NewTestGenesisState(app.AppCodec())
 		if patchGenesis != nil {
 			genesisState = patchGenesis(app, genesisState)
 		}
@@ -167,3 +174,93 @@ func StateFn(cdc codec.JSONCodec, simManager *module.SimulationManager) simtypes
 		return appState, simAccs, chainID, genesisTimestamp
 	}
 }
+
+// NewTestGenesisState generate genesis state with single validator
+func NewTestGenesisState(codec codec.Codec) simapp.GenesisState {
+	privVal := ed25519.GenPrivKey()
+	// create validator set with single validator
+	tmPk, err := cryptocodec.ToTmPubKeyInterface(privVal.PubKey())
+	if err != nil {
+		panic(err)
+	}
+	validator := tmtypes.NewValidator(tmPk, 1)
+	valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
+
+	// generate genesis account
+	senderPrivKey := secp256k1.GenPrivKey()
+	acc := authtypes.NewBaseAccount(senderPrivKey.PubKey().Address().Bytes(), senderPrivKey.PubKey(), 0, 0)
+	balance := banktypes.Balance{
+		Address: acc.GetAddress().String(),
+		Coins:   sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
+	}
+
+	genesisState := NewDefaultGenesisState()
+	return genesisStateWithValSet(codec, genesisState, valSet, []authtypes.GenesisAccount{acc}, balance)
+}
+
+func genesisStateWithValSet(codec codec.Codec, genesisState simapp.GenesisState,
+	valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount,
+	balances ...banktypes.Balance,
+) simapp.GenesisState {
+	// set genesis accounts
+	authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), genAccs)
+	genesisState[authtypes.ModuleName] = codec.MustMarshalJSON(authGenesis)
+
+	validators := make([]stakingtypes.Validator, 0, len(valSet.Validators))
+	delegations := make([]stakingtypes.Delegation, 0, len(valSet.Validators))
+
+	bondAmt := sdk.DefaultPowerReduction
+
+	for _, val := range valSet.Validators {
+		pk, err := cryptocodec.FromTmPubKeyInterface(val.PubKey)
+		if err != nil {
+			panic(err)
+		}
+		pkAny, err := codectypes.NewAnyWithValue(pk)
+		if err != nil {
+			panic(err)
+		}
+		validator := stakingtypes.Validator{
+			OperatorAddress:   sdk.ValAddress(val.Address).String(),
+			ConsensusPubkey:   pkAny,
+			Jailed:            false,
+			Status:            stakingtypes.Bonded,
+			Tokens:            bondAmt,
+			DelegatorShares:   sdk.OneDec(),
+			Description:       stakingtypes.Description{},
+			UnbondingHeight:   int64(0),
+			UnbondingTime:     time.Unix(0, 0).UTC(),
+			Commission:        stakingtypes.NewCommission(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
+			MinSelfDelegation: sdk.ZeroInt(),
+		}
+		validators = append(validators, validator)
+		delegations = append(delegations, stakingtypes.NewDelegation(genAccs[0].GetAddress(), val.Address.Bytes(), sdk.OneDec()))
+
+	}
+	// set validators and delegations
+	stakingGenesis := stakingtypes.NewGenesisState(stakingtypes.DefaultParams(), validators, delegations)
+	genesisState[stakingtypes.ModuleName] = codec.MustMarshalJSON(stakingGenesis)
+
+	totalSupply := sdk.NewCoins()
+	for _, b := range balances {
+		// add genesis acc tokens to total supply
+		totalSupply = totalSupply.Add(b.Coins...)
+	}
+
+	for range delegations {
+		// add delegated tokens to total supply
+		totalSupply = totalSupply.Add(sdk.NewCoin(sdk.DefaultBondDenom, bondAmt))
+	}
+
+	// add bonded amount to bonded pool module account
+	balances = append(balances, banktypes.Balance{
+		Address: authtypes.NewModuleAddress(stakingtypes.BondedPoolName).String(),
+		Coins:   sdk.Coins{sdk.NewCoin(sdk.DefaultBondDenom, bondAmt)},
+	})
+
+	// update total supply
+	bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, totalSupply, []banktypes.Metadata{})
+	genesisState[banktypes.ModuleName] = codec.MustMarshalJSON(bankGenesis)
+
+	return genesisState
+}

x/evm/handler_test.go

@@ -87,7 +87,7 @@ func (suite *EvmTestSuite) DoSetupTest(t require.TestingT) {
 	})
 
 	coins := sdk.NewCoins(sdk.NewCoin(types.DefaultEVMDenom, sdk.NewInt(100000000000000)))
-	genesisState := app.ModuleBasics.DefaultGenesis(suite.app.AppCodec())
+	genesisState := app.NewTestGenesisState(suite.app.AppCodec())
 	b32address := sdk.MustBech32ifyAddressBytes(sdk.GetConfig().GetBech32AccountAddrPrefix(), priv.PubKey().Address().Bytes())
 	balances := []banktypes.Balance{
 		{
@@ -99,9 +99,12 @@ func (suite *EvmTestSuite) DoSetupTest(t require.TestingT) {
 			Coins:   coins,
 		},
 	}
-	// Update total supply
+	var bankGenesis banktypes.GenesisState
-	bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, sdk.NewCoins(sdk.NewCoin(types.DefaultEVMDenom, sdk.NewInt(200000000000000))), []banktypes.Metadata{})
+	suite.app.AppCodec().MustUnmarshalJSON(genesisState[banktypes.ModuleName], &bankGenesis)
-	genesisState[banktypes.ModuleName] = suite.app.AppCodec().MustMarshalJSON(bankGenesis)
+	// Update balances and total supply
+	bankGenesis.Balances = append(bankGenesis.Balances, balances...)
+	bankGenesis.Supply = bankGenesis.Supply.Add(coins...).Add(coins...)
+	genesisState[banktypes.ModuleName] = suite.app.AppCodec().MustMarshalJSON(&bankGenesis)
 
 	stateBytes, err := tmjson.MarshalIndent(genesisState, "", " ")
 	require.NoError(t, err)

x/evm/keeper/keeper_test.go

@@ -110,18 +110,19 @@ func (suite *KeeperTestSuite) DoSetupTest(t require.TestingT) {
 	if suite.mintFeeCollector {
 		// mint some coin to fee collector
 		coins := sdk.NewCoins(sdk.NewCoin(types.DefaultEVMDenom, sdk.NewInt(int64(params.TxGas)-1)))
-		genesisState := app.ModuleBasics.DefaultGenesis(suite.app.AppCodec())
+		genesisState := app.NewTestGenesisState(suite.app.AppCodec())
 		balances := []banktypes.Balance{
 			{
 				Address: suite.app.AccountKeeper.GetModuleAddress(authtypes.FeeCollectorName).String(),
 				Coins:   coins,
 			},
 		}
-		// update total supply
+		var bankGenesis banktypes.GenesisState
-		bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, sdk.NewCoins(sdk.NewCoin(types.DefaultEVMDenom, sdk.NewInt((int64(params.TxGas)-1)))), []banktypes.Metadata{})
+		suite.app.AppCodec().MustUnmarshalJSON(genesisState[banktypes.ModuleName], &bankGenesis)
-		bz := suite.app.AppCodec().MustMarshalJSON(bankGenesis)
+		// Update balances and total supply
-		require.NotNil(t, bz)
+		bankGenesis.Balances = append(bankGenesis.Balances, balances...)
-		genesisState[banktypes.ModuleName] = suite.app.AppCodec().MustMarshalJSON(bankGenesis)
+		bankGenesis.Supply = bankGenesis.Supply.Add(coins...)
+		genesisState[banktypes.ModuleName] = suite.app.AppCodec().MustMarshalJSON(&bankGenesis)
 
 		// we marshal the genesisState of all module to a byte array
 		stateBytes, err := tmjson.MarshalIndent(genesisState, "", " ")

x/feemarket/keeper/integration_test.go

@@ -493,7 +493,7 @@ func setupChain(localMinGasPricesStr string) {
 		baseapp.SetMinGasPrices(localMinGasPricesStr),
 	)
 
-	genesisState := app.NewDefaultGenesisState()
+	genesisState := app.NewTestGenesisState(newapp.AppCodec())
 	genesisState[types.ModuleName] = newapp.AppCodec().MustMarshalJSON(types.DefaultGenesisState())
 
 	stateBytes, err := json.MarshalIndent(genesisState, "", "  ")