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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"
dbm "github.com/cometbft/cometbft-db"
abci "github.com/cometbft/cometbft/abci/types"
"github.com/cometbft/cometbft/crypto"
"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"
"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
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"
"github.com/stretchr/testify/require"
shareledgerapp "github.com/sharering/shareledger/app"
"github.com/sharering/shareledger/app/params"
"github.com/sharering/shareledger/x/utils/denom"
)
// SimAppChainID hardcoded chainID for simulation
const (
SimAppChainID = "shareledger-app"
)
// DefaultConsensusParams defines the default Tendermint consensus params used
// in ShareledgerApp 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
}
func NewPV() PV {
return PV{ed25519.GenPrivKey()}
}
// GetPubKey implements PrivValidator interface
func (pv PV) GetPubKey() (crypto.PubKey, error) {
return cryptocodec.ToTmPubKeyInterface(pv.PrivKey.PubKey())
}
type EmptyAppOptions struct{}
func (EmptyAppOptions) Get(o string) interface{} { return nil }
func Setup(t *testing.T) *shareledgerapp.App {
t.Helper()
params.SetAddressPrefixes()
privVal := 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 := 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(denom.Base, sdk.NewInt(100000000000000))),
}
genesisAccounts := []authtypes.GenesisAccount{acc}
app := SetupWithGenesisValSet(t, valSet, genesisAccounts, balance)
return app
}
// SetupWithGenesisValSet initializes a new ShareledgerApp 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 ShareledgerApp from first genesis
// account. A Nop logger is set in ShareledgerApp.
func SetupWithGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, balances ...banktypes.Balance) *shareledgerapp.App {
t.Helper()
app, genesisState := setup()
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{
Validators: []abci.ValidatorUpdate{},
ConsensusParams: DefaultConsensusParams,
AppStateBytes: stateBytes,
},
)
// commit genesis changes
app.Commit()
app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{
Height: app.LastBlockHeight() + 1,
AppHash: app.LastCommitID().Hash,
ValidatorsHash: valSet.Hash(),
NextValidatorsHash: valSet.Hash(),
}})
return app
}
func setup() (*shareledgerapp.App, shareledgerapp.GenesisState) {
db := dbm.NewMemDB()
app := shareledgerapp.New(
log.NewNopLogger(),
db,
nil,
true,
EmptyAppOptions{},
)
return app, shareledgerapp.NewDefaultGenesisState()
}
func genesisStateWithValSet(t *testing.T,
app *shareledgerapp.App, genesisState shareledgerapp.GenesisState,
valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount,
balances ...banktypes.Balance,
) shareledgerapp.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
// change bound denom to "nshr" token
stakingParams := stakingtypes.DefaultParams()
stakingParams.BondDenom = denom.Base
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(denom.Base, 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(denom.Base, bondAmt)},
})
// update total supply
bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, totalSupply, []banktypes.Metadata{}, nil)
genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)
return genesisState
}