cosmos-sdk/x/distribution/simulation/operations_test.go

319 lines
13 KiB
Go

package simulation_test
import (
"math/rand"
"testing"
"cosmossdk.io/math"
"github.com/stretchr/testify/suite"
abci "github.com/tendermint/tendermint/abci/types"
tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/runtime"
"github.com/cosmos/cosmos-sdk/testutil/configurator"
simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
sdk "github.com/cosmos/cosmos-sdk/types"
simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
authkeeper "github.com/cosmos/cosmos-sdk/x/auth/keeper"
bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
banktestutil "github.com/cosmos/cosmos-sdk/x/bank/testutil"
"github.com/cosmos/cosmos-sdk/x/distribution/keeper"
"github.com/cosmos/cosmos-sdk/x/distribution/simulation"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
)
// TestWeightedOperations tests the weights of the operations.
func (suite *SimTestSuite) TestWeightedOperations() {
appParams := make(simtypes.AppParams)
weightesOps := simulation.WeightedOperations(appParams, suite.cdc, suite.accountKeeper,
suite.bankKeeper, suite.distrKeeper, suite.stakingKeeper)
// setup 3 accounts
s := rand.NewSource(1)
r := rand.New(s)
accs := suite.getTestingAccounts(r, 3)
expected := []struct {
weight int
opMsgRoute string
opMsgName string
}{
{simulation.DefaultWeightMsgSetWithdrawAddress, types.ModuleName, types.TypeMsgSetWithdrawAddress},
{simulation.DefaultWeightMsgWithdrawDelegationReward, types.ModuleName, types.TypeMsgWithdrawDelegatorReward},
{simulation.DefaultWeightMsgWithdrawValidatorCommission, types.ModuleName, types.TypeMsgWithdrawValidatorCommission},
{simulation.DefaultWeightMsgFundCommunityPool, types.ModuleName, types.TypeMsgFundCommunityPool},
}
for i, w := range weightesOps {
operationMsg, _, err := w.Op()(r, suite.app.BaseApp, suite.ctx, accs, "")
suite.Require().NoError(err)
// the following checks are very much dependent from the ordering of the output given
// by WeightedOperations. if the ordering in WeightedOperations changes some tests
// will fail
suite.Require().Equal(expected[i].weight, w.Weight(), "weight should be the same")
suite.Require().Equal(expected[i].opMsgRoute, operationMsg.Route, "route should be the same")
suite.Require().Equal(expected[i].opMsgName, operationMsg.Name, "operation Msg name should be the same")
}
}
// TestSimulateMsgSetWithdrawAddress tests the normal scenario of a valid message of type TypeMsgSetWithdrawAddress.
// Abonormal scenarios, where the message is created by an errors, are not tested here.
func (suite *SimTestSuite) TestSimulateMsgSetWithdrawAddress() {
// setup 3 accounts
s := rand.NewSource(1)
r := rand.New(s)
accounts := suite.getTestingAccounts(r, 3)
// begin a new block
suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
// execute operation
op := simulation.SimulateMsgSetWithdrawAddress(suite.txConfig, suite.accountKeeper, suite.bankKeeper, suite.distrKeeper)
operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
suite.Require().NoError(err)
var msg types.MsgSetWithdrawAddress
types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
suite.Require().True(operationMsg.OK)
suite.Require().Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.DelegatorAddress)
suite.Require().Equal("cosmos1p8wcgrjr4pjju90xg6u9cgq55dxwq8j7u4x9a0", msg.WithdrawAddress)
suite.Require().Equal(types.TypeMsgSetWithdrawAddress, msg.Type())
suite.Require().Equal(types.ModuleName, msg.Route())
suite.Require().Len(futureOperations, 0)
}
// TestSimulateMsgWithdrawDelegatorReward tests the normal scenario of a valid message
// of type TypeMsgWithdrawDelegatorReward.
// Abonormal scenarios, where the message is created by an errors, are not tested here.
func (suite *SimTestSuite) TestSimulateMsgWithdrawDelegatorReward() {
// setup 3 accounts
s := rand.NewSource(4)
r := rand.New(s)
accounts := suite.getTestingAccounts(r, 3)
// setup accounts[0] as validator
validator0 := suite.getTestingValidator0(accounts)
// setup delegation
delTokens := sdk.TokensFromConsensusPower(2, sdk.DefaultPowerReduction)
validator0, issuedShares := validator0.AddTokensFromDel(delTokens)
delegator := accounts[1]
delegation := stakingtypes.NewDelegation(delegator.Address, validator0.GetOperator(), issuedShares)
suite.stakingKeeper.SetDelegation(suite.ctx, delegation)
suite.distrKeeper.SetDelegatorStartingInfo(suite.ctx, validator0.GetOperator(), delegator.Address, distrtypes.NewDelegatorStartingInfo(2, math.LegacyOneDec(), 200))
suite.setupValidatorRewards(validator0.GetOperator())
// begin a new block
suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
// execute operation
op := simulation.SimulateMsgWithdrawDelegatorReward(suite.txConfig, suite.accountKeeper, suite.bankKeeper, suite.distrKeeper, suite.stakingKeeper)
operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
suite.Require().NoError(err)
var msg types.MsgWithdrawDelegatorReward
types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
suite.Require().True(operationMsg.OK)
suite.Require().Equal("cosmosvaloper1l4s054098kk9hmr5753c6k3m2kw65h686d3mhr", msg.ValidatorAddress)
suite.Require().Equal("cosmos1d6u7zhjwmsucs678d7qn95uqajd4ucl9jcjt26", msg.DelegatorAddress)
suite.Require().Equal(types.TypeMsgWithdrawDelegatorReward, msg.Type())
suite.Require().Equal(types.ModuleName, msg.Route())
suite.Require().Len(futureOperations, 0)
}
// TestSimulateMsgWithdrawValidatorCommission tests the normal scenario of a valid message
// of type TypeMsgWithdrawValidatorCommission.
// Abonormal scenarios, where the message is created by an errors, are not tested here.
func (suite *SimTestSuite) TestSimulateMsgWithdrawValidatorCommission() {
suite.testSimulateMsgWithdrawValidatorCommission("atoken")
suite.testSimulateMsgWithdrawValidatorCommission("tokenxxx")
}
// all the checks in this function should not fail if we change the tokenName
func (suite *SimTestSuite) testSimulateMsgWithdrawValidatorCommission(tokenName string) {
// setup 3 accounts
s := rand.NewSource(1)
r := rand.New(s)
accounts := suite.getTestingAccounts(r, 3)
// setup accounts[0] as validator
validator0 := suite.getTestingValidator0(accounts)
// set module account coins
distrAcc := suite.distrKeeper.GetDistributionAccount(suite.ctx)
suite.Require().NoError(banktestutil.FundModuleAccount(suite.bankKeeper, suite.ctx, distrAcc.GetName(), sdk.NewCoins(
sdk.NewCoin(tokenName, sdk.NewInt(10)),
sdk.NewCoin("stake", sdk.NewInt(5)),
)))
suite.accountKeeper.SetModuleAccount(suite.ctx, distrAcc)
// set outstanding rewards
valCommission := sdk.NewDecCoins(
sdk.NewDecCoinFromDec(tokenName, math.LegacyNewDec(5).Quo(math.LegacyNewDec(2))),
sdk.NewDecCoinFromDec("stake", math.LegacyNewDec(1).Quo(math.LegacyNewDec(1))),
)
suite.distrKeeper.SetValidatorOutstandingRewards(suite.ctx, validator0.GetOperator(), types.ValidatorOutstandingRewards{Rewards: valCommission})
suite.distrKeeper.SetValidatorOutstandingRewards(suite.ctx, suite.genesisVals[0].GetOperator(), types.ValidatorOutstandingRewards{Rewards: valCommission})
// setup validator accumulated commission
suite.distrKeeper.SetValidatorAccumulatedCommission(suite.ctx, validator0.GetOperator(), types.ValidatorAccumulatedCommission{Commission: valCommission})
suite.distrKeeper.SetValidatorAccumulatedCommission(suite.ctx, suite.genesisVals[0].GetOperator(), types.ValidatorAccumulatedCommission{Commission: valCommission})
// begin a new block
suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
// execute operation
op := simulation.SimulateMsgWithdrawValidatorCommission(suite.txConfig, suite.accountKeeper, suite.bankKeeper, suite.distrKeeper, suite.stakingKeeper)
operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
if !operationMsg.OK {
suite.Require().Equal("could not find account", operationMsg.Comment)
} else {
suite.Require().NoError(err)
var msg types.MsgWithdrawValidatorCommission
types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
suite.Require().True(operationMsg.OK)
suite.Require().Equal("cosmosvaloper1tnh2q55v8wyygtt9srz5safamzdengsn9dsd7z", msg.ValidatorAddress)
suite.Require().Equal(types.TypeMsgWithdrawValidatorCommission, msg.Type())
suite.Require().Equal(types.ModuleName, msg.Route())
suite.Require().Len(futureOperations, 0)
}
}
// TestSimulateMsgFundCommunityPool tests the normal scenario of a valid message of type TypeMsgFundCommunityPool.
// Abonormal scenarios, where the message is created by an errors, are not tested here.
func (suite *SimTestSuite) TestSimulateMsgFundCommunityPool() {
// setup 3 accounts
s := rand.NewSource(1)
r := rand.New(s)
accounts := suite.getTestingAccounts(r, 3)
// begin a new block
suite.app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
// execute operation
op := simulation.SimulateMsgFundCommunityPool(suite.txConfig, suite.accountKeeper, suite.bankKeeper, suite.distrKeeper, suite.stakingKeeper)
operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
suite.Require().NoError(err)
var msg types.MsgFundCommunityPool
types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
suite.Require().True(operationMsg.OK)
suite.Require().Equal("4896096stake", msg.Amount.String())
suite.Require().Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.Depositor)
suite.Require().Equal(types.TypeMsgFundCommunityPool, msg.Type())
suite.Require().Equal(types.ModuleName, msg.Route())
suite.Require().Len(futureOperations, 0)
}
type SimTestSuite struct {
suite.Suite
ctx sdk.Context
app *runtime.App
genesisVals []stakingtypes.Validator
txConfig client.TxConfig
cdc codec.Codec
stakingKeeper *stakingkeeper.Keeper
accountKeeper authkeeper.AccountKeeper
bankKeeper bankkeeper.Keeper
distrKeeper keeper.Keeper
}
func (suite *SimTestSuite) SetupTest() {
var (
appBuilder *runtime.AppBuilder
err error
)
suite.app, err = simtestutil.Setup(configurator.NewAppConfig(
configurator.AuthModule(),
configurator.ParamsModule(),
configurator.BankModule(),
configurator.StakingModule(),
configurator.TxModule(),
configurator.ConsensusModule(),
configurator.DistributionModule(),
), &suite.accountKeeper,
&suite.bankKeeper,
&suite.cdc,
&appBuilder,
&suite.stakingKeeper,
&suite.distrKeeper,
&suite.txConfig,
)
suite.NoError(err)
suite.ctx = suite.app.BaseApp.NewContext(false, tmproto.Header{})
genesisVals := suite.stakingKeeper.GetAllValidators(suite.ctx)
suite.Require().Len(genesisVals, 1)
suite.genesisVals = genesisVals
}
func (suite *SimTestSuite) getTestingAccounts(r *rand.Rand, n int) []simtypes.Account {
accounts := simtypes.RandomAccounts(r, n)
initAmt := suite.stakingKeeper.TokensFromConsensusPower(suite.ctx, 200)
initCoins := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, initAmt))
// add coins to the accounts
for _, account := range accounts {
acc := suite.accountKeeper.NewAccountWithAddress(suite.ctx, account.Address)
suite.accountKeeper.SetAccount(suite.ctx, acc)
suite.Require().NoError(banktestutil.FundAccount(suite.bankKeeper, suite.ctx, account.Address, initCoins))
}
return accounts
}
func (suite *SimTestSuite) getTestingValidator0(accounts []simtypes.Account) stakingtypes.Validator {
commission0 := stakingtypes.NewCommission(math.LegacyZeroDec(), math.LegacyOneDec(), math.LegacyOneDec())
return suite.getTestingValidator(accounts, commission0, 0)
}
func (suite *SimTestSuite) getTestingValidator(accounts []simtypes.Account, commission stakingtypes.Commission, n int) stakingtypes.Validator {
require := suite.Require()
account := accounts[n]
valPubKey := account.PubKey
valAddr := sdk.ValAddress(account.PubKey.Address().Bytes())
validator, err := stakingtypes.NewValidator(valAddr, valPubKey, stakingtypes.
Description{})
require.NoError(err)
validator, err = validator.SetInitialCommission(commission)
require.NoError(err)
validator.DelegatorShares = math.LegacyNewDec(100)
validator.Tokens = sdk.NewInt(1000000)
suite.stakingKeeper.SetValidator(suite.ctx, validator)
return validator
}
func (suite *SimTestSuite) setupValidatorRewards(valAddress sdk.ValAddress) {
decCoins := sdk.DecCoins{sdk.NewDecCoinFromDec(sdk.DefaultBondDenom, math.LegacyOneDec())}
historicalRewards := distrtypes.NewValidatorHistoricalRewards(decCoins, 2)
suite.distrKeeper.SetValidatorHistoricalRewards(suite.ctx, valAddress, 2, historicalRewards)
// setup current revards
currentRewards := distrtypes.NewValidatorCurrentRewards(decCoins, 3)
suite.distrKeeper.SetValidatorCurrentRewards(suite.ctx, valAddress, currentRewards)
}
func TestSimTestSuite(t *testing.T) {
suite.Run(t, new(SimTestSuite))
}