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test_helpers.go
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test_helpers.go
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package helpers
import (
"encoding/json"
"testing"
"time"
"github.com/stretchr/testify/require"
dbm "github.com/cometbft/cometbft-db"
abci "github.com/cometbft/cometbft/abci/types"
"github.com/cometbft/cometbft/libs/log"
tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
tmtypes "github.com/cometbft/cometbft/types"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
"github.com/cosmos/cosmos-sdk/server"
"github.com/cosmos/cosmos-sdk/testutil/mock"
simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
sdk "github.com/cosmos/cosmos-sdk/types"
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"
gaiaapp "github.com/cosmos/gaia/v16/app"
)
// SimAppChainID hardcoded chainID for simulation
const (
SimAppChainID = "gaia-app"
)
// DefaultConsensusParams defines the default Tendermint consensus params used
// in GaiaApp testing.
var DefaultConsensusParams = &tmproto.ConsensusParams{
Block: &tmproto.BlockParams{
MaxBytes: 200000,
MaxGas: 2000000,
},
Evidence: &tmproto.EvidenceParams{
MaxAgeNumBlocks: 302400,
MaxAgeDuration: 504 * time.Hour, // 3 weeks is the max duration
MaxBytes: 10000,
},
Validator: &tmproto.ValidatorParams{
PubKeyTypes: []string{
tmtypes.ABCIPubKeyTypeEd25519,
},
},
}
type PV struct {
PrivKey cryptotypes.PrivKey
}
type EmptyAppOptions struct{}
func (EmptyAppOptions) Get(_ string) interface{} { return nil }
func Setup(t *testing.T) *gaiaapp.GaiaApp {
t.Helper()
privVal := mock.NewPV()
pubKey, err := privVal.GetPubKey()
require.NoError(t, err)
// create validator set with single validator
validator := tmtypes.NewValidator(pubKey, 1)
valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
// generate genesis account
senderPrivKey := mock.NewPV()
senderPubKey := senderPrivKey.PrivKey.PubKey()
acc := authtypes.NewBaseAccount(senderPubKey.Address().Bytes(), senderPubKey, 0, 0)
balance := banktypes.Balance{
Address: acc.GetAddress().String(),
Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
}
genesisAccounts := []authtypes.GenesisAccount{acc}
app := SetupWithGenesisValSet(t, valSet, genesisAccounts, balance)
return app
}
// SetupWithGenesisValSet initializes a new GaiaApp with a validator set and genesis accounts
// that also act as delegators. For simplicity, each validator is bonded with a delegation
// of one consensus engine unit in the default token of the GaiaApp from first genesis
// account. A Nop logger is set in GaiaApp.
func SetupWithGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, balances ...banktypes.Balance) *gaiaapp.GaiaApp {
t.Helper()
gaiaApp, genesisState := setup()
genesisState = genesisStateWithValSet(t, gaiaApp, genesisState, valSet, genAccs, balances...)
stateBytes, err := json.MarshalIndent(genesisState, "", " ")
require.NoError(t, err)
// init chain will set the validator set and initialize the genesis accounts
gaiaApp.InitChain(
abci.RequestInitChain{
Validators: []abci.ValidatorUpdate{},
ConsensusParams: DefaultConsensusParams,
AppStateBytes: stateBytes,
},
)
// commit genesis changes
gaiaApp.Commit()
gaiaApp.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{
Height: gaiaApp.LastBlockHeight() + 1,
AppHash: gaiaApp.LastCommitID().Hash,
ValidatorsHash: valSet.Hash(),
NextValidatorsHash: valSet.Hash(),
}})
return gaiaApp
}
func setup() (*gaiaapp.GaiaApp, gaiaapp.GenesisState) {
db := dbm.NewMemDB()
appOptions := make(simtestutil.AppOptionsMap, 0)
appOptions[server.FlagInvCheckPeriod] = 5
appOptions[server.FlagMinGasPrices] = "0uatom"
encConfig := gaiaapp.RegisterEncodingConfig()
gaiaApp := gaiaapp.NewGaiaApp(
log.NewNopLogger(),
db,
nil,
true,
map[int64]bool{},
gaiaapp.DefaultNodeHome,
encConfig,
appOptions,
)
return gaiaApp, gaiaapp.NewDefaultGenesisState(encConfig)
}
func genesisStateWithValSet(t *testing.T,
app *gaiaapp.GaiaApp, genesisState gaiaapp.GenesisState,
valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount,
balances ...banktypes.Balance,
) gaiaapp.GenesisState {
t.Helper()
// 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, err := cryptocodec.FromTmPubKeyInterface(val.PubKey)
require.NoError(t, err)
pkAny, err := codectypes.NewAnyWithValue(pk)
require.NoError(t, 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()),
}
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] = 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(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{}, []banktypes.SendEnabled{})
genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)
return genesisState
}