test_helpers.go

package app

import (
	"encoding/json"
	"time"

	"github.com/pundix/pundix/types"

	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
	"github.com/cosmos/cosmos-sdk/simapp"
	sdk "github.com/cosmos/cosmos-sdk/types"
	ibctesting "github.com/cosmos/ibc-go/v3/testing"
	"github.com/cosmos/ibc-go/v3/testing/mock"
	abci "github.com/tendermint/tendermint/abci/types"
	"github.com/tendermint/tendermint/libs/log"
	tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
	tmtypes "github.com/tendermint/tendermint/types"
	dbm "github.com/tendermint/tm-db"

	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
	cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
	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"
)

// DefaultTestingAppInit defines the IBC application used for testing
var DefaultTestingAppInit func() (ibctesting.TestingApp, map[string]json.RawMessage) = SetupTestingApp

// DefaultConsensusParams defines the default Tendermint consensus params used in
// Evmos testing.
func GetDefaultConsensusParams() *abci.ConsensusParams {
	consensusParams := CustomConsensusParams()
	return &abci.ConsensusParams{
		Block: &abci.BlockParams{
			MaxBytes: consensusParams.GetBlock().MaxBytes,
			MaxGas:   consensusParams.GetBlock().MaxGas, // no limit
		},
		Evidence: &tmproto.EvidenceParams{
			MaxAgeNumBlocks: consensusParams.GetEvidence().MaxAgeNumBlocks,
			MaxAgeDuration:  consensusParams.GetEvidence().MaxAgeDuration, // 3 weeks is the max duration
			MaxBytes:        consensusParams.GetEvidence().MaxBytes,
		},
		Validator: &tmproto.ValidatorParams{
			PubKeyTypes: consensusParams.GetValidator().PubKeyTypes,
		},
	}
}

// Setup initializes a new Evmos. A Nop logger is set in Evmos.
func Setup(
	isCheckTx bool,
) *PundixApp {
	privVal := mock.NewPV()
	pubKey, _ := privVal.GetPubKey()

	// create validator set with single validator
	validator := tmtypes.NewValidator(pubKey, 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(types.StakingBondDenom(), sdk.NewInt(100000000000000))),
	}

	db := dbm.NewMemDB()
	encodingConfig := MakeEncodingConfig()
	app := NewPundixApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, DefaultNodeHome, 5, encodingConfig, simapp.EmptyAppOptions{})
	if !isCheckTx {
		// init chain must be called to stop deliverState from being nil
		genesisState := NewDefAppGenesisByDenom(types.StakingBondDenom(), types.MintDenom(), encodingConfig.Codec)

		genesisState = GenesisStateWithValSet(app, genesisState, valSet, []authtypes.GenesisAccount{acc}, balance)

		stateBytes, err := json.MarshalIndent(genesisState, "", " ")
		if err != nil {
			panic(err)
		}

		// Initialize the chain
		app.InitChain(
			abci.RequestInitChain{
				ChainId:         types.ChainId(),
				Validators:      []abci.ValidatorUpdate{},
				ConsensusParams: GetDefaultConsensusParams(),
				AppStateBytes:   stateBytes,
			},
		)
	}

	return app
}

func GenesisStateWithValSet(app *PundixApp, 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] = app.AppCodec().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, _ := cryptocodec.FromTmPubKeyInterface(val.PubKey)
		pkAny, _ := codectypes.NewAnyWithValue(pk)
		validator := stakingtypes.Validator{
			OperatorAddress:   sdk.ValAddress(val.Address).String(),
			ConsensusPubkey:   pkAny,
			Jailed:            false,
			Status:            stakingtypes.Bonded,
			Tokens:            bondAmt,
			DelegatorShares:   bondAmt.ToDec(),
			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(), bondAmt.ToDec()))

	}
	// set validators and delegations
	stakingparams := stakingtypes.DefaultParams()
	stakingparams.BondDenom = types.StakingBondDenom()
	stakingGenesis := stakingtypes.NewGenesisState(stakingparams, validators, delegations)
	genesisState[stakingtypes.ModuleName] = app.AppCodec().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(types.StakingBondDenom(), 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(types.StakingBondDenom(), bondAmt)},
	})

	// update total supply
	bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, totalSupply, []banktypes.Metadata{})
	genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)

	return genesisState
}

// SetupTestingApp initializes the IBC-go testing application
func SetupTestingApp() (ibctesting.TestingApp, map[string]json.RawMessage) {
	db := dbm.NewMemDB()
	cfg := MakeEncodingConfig()
	app := NewPundixApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, DefaultNodeHome, 5, cfg, simapp.EmptyAppOptions{})
	return app, NewDefAppGenesisByDenom(types.StakingBondDenom(), types.MintDenom(), cfg.Codec)
}