laconicd/app/test_helpers.go
2022-04-26 16:09:18 +05:30

284 lines
10 KiB
Go

package app
import (
"context"
"encoding/json"
"testing"
"time"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
"github.com/cosmos/cosmos-sdk/server/types"
"github.com/cosmos/cosmos-sdk/simapp"
"github.com/cosmos/cosmos-sdk/testutil/mock"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/cosmos/cosmos-sdk/simapp/params"
"github.com/stretchr/testify/require"
tmjson "github.com/tendermint/tendermint/libs/json"
"github.com/tharsis/ethermint/crypto/ethsecp256k1"
"github.com/tharsis/ethermint/encoding"
ethermint "github.com/tharsis/ethermint/types"
"github.com/cosmos/cosmos-sdk/db/memdb"
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"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto/ed25519"
"github.com/tendermint/tendermint/libs/log"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
tmtypes "github.com/tendermint/tendermint/types"
)
// GenesisState of the blockchain is represented here as a map of raw json
// messages key'd by a identifier string.
// The identifier is used to determine which module genesis information belongs
// to so it may be appropriately routed during init chain.
// Within this application default genesis information is retrieved from
// the ModuleBasicManager which populates json from each BasicModule
// object provided to it during init.
// DefaultConsensusParams defines the default Tendermint consensus params used in
// EthermintApp testing.
var DefaultConsensusParams = &tmproto.ConsensusParams{
Block: &tmproto.BlockParams{
MaxBytes: 200000,
MaxGas: -1, // no limit
},
Evidence: &tmproto.EvidenceParams{
MaxAgeNumBlocks: 302400,
MaxAgeDuration: 504 * time.Hour, // 3 weeks is the max duration
MaxBytes: 10000,
},
Validator: &tmproto.ValidatorParams{
PubKeyTypes: []string{
tmtypes.ABCIPubKeyTypeEd25519,
},
},
}
// SetupOptions defines arguments that are passed into `Simapp` constructor.
type SetupOptions struct {
Logger log.Logger
DB *memdb.MemDB
InvCheckPeriod uint
HomePath string
SkipUpgradeHeights map[int64]bool
EncConfig params.EncodingConfig
AppOpts types.AppOptions
}
func NewTestAppWithCustomOptions(t *testing.T, isCheckTx bool, options SetupOptions) *EthermintApp {
t.Helper()
privVal := mock.NewPV()
pubKey, err := privVal.GetPubKey(context.TODO())
require.NoError(t, err)
// create validator set with single validator
validator := tmtypes.NewValidator(pubKey, 1)
valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
// generate genesis account
priv, err := ethsecp256k1.GenerateKey()
require.NoError(t, err)
address := common.BytesToAddress(priv.PubKey().Address().Bytes())
acc := &ethermint.EthAccount{
BaseAccount: authtypes.NewBaseAccount(sdk.AccAddress(address.Bytes()), nil, 0, 0),
CodeHash: common.BytesToHash(crypto.Keccak256(nil)).String(),
}
balance := banktypes.Balance{
Address: acc.GetAddress().String(),
Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
}
app := NewEthermintApp(options.Logger, options.DB, nil, true, options.SkipUpgradeHeights, options.HomePath, options.InvCheckPeriod, options.EncConfig, options.AppOpts)
genesisState := NewDefaultGenesisState(app.appCodec)
genesisState = genesisStateWithValSet(t, app, genesisState, valSet, []authtypes.GenesisAccount{acc}, balance)
if !isCheckTx {
// init chain must be called to stop deliverState from being nil
stateBytes, err := tmjson.MarshalIndent(genesisState, "", " ")
require.NoError(t, err)
// Initialize the chain
app.InitChain(
abci.RequestInitChain{
ChainId: "ethermint_9000-1",
Validators: []abci.ValidatorUpdate{},
ConsensusParams: DefaultConsensusParams,
AppStateBytes: stateBytes,
},
)
}
return app
}
// Setup initializes a new EthermintApp. A Nop logger is set in EthermintApp.
func Setup(t *testing.T, isCheckTx bool, patchGenesis func(*EthermintApp, simapp.GenesisState) simapp.GenesisState) *EthermintApp {
t.Helper()
privVal := mock.NewPV()
pubKey, err := privVal.GetPubKey(context.TODO())
require.NoError(t, err)
// create validator set with single validator
validator := tmtypes.NewValidator(pubKey, 1)
valSet := tmtypes.NewValidatorSet([]*tmtypes.Validator{validator})
priv, err := ethsecp256k1.GenerateKey()
require.NoError(t, err)
address := common.BytesToAddress(priv.PubKey().Address().Bytes())
acc := &ethermint.EthAccount{
BaseAccount: authtypes.NewBaseAccount(sdk.AccAddress(address.Bytes()), nil, 0, 0),
CodeHash: common.BytesToHash(crypto.Keccak256(nil)).String(),
}
balance := banktypes.Balance{
Address: acc.GetAddress().String(),
Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
}
app := SetupWithGenesisValSet(t, valSet, patchGenesis, []authtypes.GenesisAccount{acc}, balance)
return app
}
func setup(withGenesis bool, invCheckPeriod uint, patchGenesis func(*EthermintApp, simapp.GenesisState) simapp.GenesisState) (*EthermintApp, simapp.GenesisState) {
encCdc := encoding.MakeConfig(ModuleBasics)
app := NewEthermintApp(log.NewNopLogger(), memdb.NewDB(), nil, true, map[int64]bool{}, DefaultNodeHome, invCheckPeriod, encCdc, EmptyAppOptions{})
if withGenesis {
genesisState := NewDefaultGenesisState(encCdc.Codec)
if patchGenesis != nil {
genesisState = patchGenesis(app, genesisState)
}
return app, genesisState
}
return app, simapp.GenesisState{}
}
// SetupWithGenesisValSet initializes a new SimApp 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 simapp from first genesis
// account. A Nop logger is set in SimApp.
func SetupWithGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, patchGenesis func(*EthermintApp, simapp.GenesisState) simapp.GenesisState, genAccs []authtypes.GenesisAccount, balances ...banktypes.Balance) *EthermintApp {
t.Helper()
app, genesisState := setup(true, 5, patchGenesis)
genesisState = genesisStateWithValSet(t, app, 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
app.InitChain(
abci.RequestInitChain{
ChainId: "ethermint_9000-1",
Validators: []abci.ValidatorUpdate{},
ConsensusParams: DefaultConsensusParams,
AppStateBytes: stateBytes,
},
)
// commit genesis changes
// app.Commit()
// app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{
// ChainID: "ethermint_9000-1",
// Height: app.LastBlockHeight() + 1,
// AppHash: app.LastCommitID().Hash,
// ValidatorsHash: valSet.Hash(),
// NextValidatorsHash: valSet.Hash(),
// }})
return app
}
func genesisStateWithValSet(t *testing.T, app *EthermintApp, 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, 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()),
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] = 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{})
genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)
return genesisState
}
// CreateRandomAccounts will generate random accounts
func CreateRandomAccounts(accNum int) []sdk.AccAddress {
// createRandomAccounts is a strategy used by addTestAddrs() in order to generated addresses in random order.
testAddrs := make([]sdk.AccAddress, accNum)
for i := 0; i < accNum; i++ {
pk := ed25519.GenPrivKey().PubKey()
testAddrs[i] = sdk.AccAddress(pk.Address())
}
return testAddrs
}
// EmptyAppOptions is a stub implementing AppOptions
type EmptyAppOptions struct{}
// Get implements AppOptions
func (ao EmptyAppOptions) Get(o string) interface{} {
return nil
}