275 lines
11 KiB
Go
275 lines
11 KiB
Go
package simulation_test
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import (
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"math/rand"
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"testing"
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"github.com/stretchr/testify/suite"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/cosmos/cosmos-sdk/simapp"
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simappparams "github.com/cosmos/cosmos-sdk/simapp/params"
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sdk "github.com/cosmos/cosmos-sdk/types"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/distribution/simulation"
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"github.com/cosmos/cosmos-sdk/x/distribution/types"
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distrtypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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// TestWeightedOperations tests the weights of the operations.
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func (suite *SimTestSuite) TestWeightedOperations() {
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cdc := suite.app.AppCodec()
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appParams := make(simtypes.AppParams)
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weightesOps := simulation.WeightedOperations(appParams, cdc, suite.app.AccountKeeper,
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suite.app.BankKeeper, suite.app.DistrKeeper, suite.app.StakingKeeper,
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)
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accs := suite.getTestingAccounts(r, 3)
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expected := []struct {
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weight int
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opMsgRoute string
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opMsgName string
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}{
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{simappparams.DefaultWeightMsgSetWithdrawAddress, types.ModuleName, types.TypeMsgSetWithdrawAddress},
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{simappparams.DefaultWeightMsgWithdrawDelegationReward, types.ModuleName, types.TypeMsgWithdrawDelegatorReward},
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{simappparams.DefaultWeightMsgWithdrawValidatorCommission, types.ModuleName, types.TypeMsgWithdrawValidatorCommission},
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{simappparams.DefaultWeightMsgFundCommunityPool, types.ModuleName, types.TypeMsgFundCommunityPool},
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}
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for i, w := range weightesOps {
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operationMsg, _, _ := w.Op()(r, suite.app.BaseApp, suite.ctx, accs, "")
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// the following checks are very much dependent from the ordering of the output given
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// by WeightedOperations. if the ordering in WeightedOperations changes some tests
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// will fail
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suite.Require().Equal(expected[i].weight, w.Weight(), "weight should be the same")
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suite.Require().Equal(expected[i].opMsgRoute, operationMsg.Route, "route should be the same")
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suite.Require().Equal(expected[i].opMsgName, operationMsg.Name, "operation Msg name should be the same")
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}
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}
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// TestSimulateMsgSetWithdrawAddress tests the normal scenario of a valid message of type TypeMsgSetWithdrawAddress.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgSetWithdrawAddress() {
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgSetWithdrawAddress(suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.DistrKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().NoError(err)
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var msg types.MsgSetWithdrawAddress
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().True(operationMsg.OK)
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suite.Require().Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.GetDelegatorAddress().String())
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suite.Require().Equal("cosmos1p8wcgrjr4pjju90xg6u9cgq55dxwq8j7u4x9a0", msg.GetWithdrawAddress().String())
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suite.Require().Equal(types.TypeMsgSetWithdrawAddress, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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// TestSimulateMsgWithdrawDelegatorReward tests the normal scenario of a valid message
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// of type TypeMsgWithdrawDelegatorReward.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgWithdrawDelegatorReward() {
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// setup 3 accounts
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s := rand.NewSource(4)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// setup accounts[0] as validator
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validator0 := suite.getTestingValidator0(accounts)
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// setup delegation
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delTokens := sdk.TokensFromConsensusPower(2)
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validator0, issuedShares := validator0.AddTokensFromDel(delTokens)
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delegator := accounts[1]
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delegation := stakingtypes.NewDelegation(delegator.Address, validator0.OperatorAddress, issuedShares)
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suite.app.StakingKeeper.SetDelegation(suite.ctx, delegation)
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suite.app.DistrKeeper.SetDelegatorStartingInfo(suite.ctx, validator0.OperatorAddress, delegator.Address, distrtypes.NewDelegatorStartingInfo(2, sdk.OneDec(), 200))
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suite.setupValidatorRewards(validator0.OperatorAddress)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgWithdrawDelegatorReward(suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.DistrKeeper, suite.app.StakingKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().NoError(err)
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var msg types.MsgWithdrawDelegatorReward
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().True(operationMsg.OK)
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suite.Require().Equal("cosmosvaloper1l4s054098kk9hmr5753c6k3m2kw65h686d3mhr", msg.GetValidatorAddress().String())
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suite.Require().Equal("cosmos1d6u7zhjwmsucs678d7qn95uqajd4ucl9jcjt26", msg.GetDelegatorAddress().String())
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suite.Require().Equal(types.TypeMsgWithdrawDelegatorReward, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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// TestSimulateMsgWithdrawValidatorCommission tests the normal scenario of a valid message
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// of type TypeMsgWithdrawValidatorCommission.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgWithdrawValidatorCommission() {
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suite.testSimulateMsgWithdrawValidatorCommission("atoken")
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suite.testSimulateMsgWithdrawValidatorCommission("tokenxxx")
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}
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// all the checks in this function should not fail if we change the tokenName
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func (suite *SimTestSuite) testSimulateMsgWithdrawValidatorCommission(tokenName string) {
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// setup accounts[0] as validator
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validator0 := suite.getTestingValidator0(accounts)
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// set module account coins
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distrAcc := suite.app.DistrKeeper.GetDistributionAccount(suite.ctx)
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err := suite.app.BankKeeper.SetBalances(suite.ctx, distrAcc.GetAddress(), sdk.NewCoins(
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sdk.NewCoin(tokenName, sdk.NewInt(10)),
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sdk.NewCoin("stake", sdk.NewInt(5)),
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))
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suite.Require().NoError(err)
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suite.app.AccountKeeper.SetModuleAccount(suite.ctx, distrAcc)
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// set outstanding rewards
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valCommission := sdk.NewDecCoins(
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sdk.NewDecCoinFromDec(tokenName, sdk.NewDec(5).Quo(sdk.NewDec(2))),
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sdk.NewDecCoinFromDec("stake", sdk.NewDec(1).Quo(sdk.NewDec(1))),
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)
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suite.app.DistrKeeper.SetValidatorOutstandingRewards(suite.ctx, validator0.OperatorAddress, types.ValidatorOutstandingRewards{Rewards: valCommission})
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// setup validator accumulated commission
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suite.app.DistrKeeper.SetValidatorAccumulatedCommission(suite.ctx, validator0.OperatorAddress, types.ValidatorAccumulatedCommission{Commission: valCommission})
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgWithdrawValidatorCommission(suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.DistrKeeper, suite.app.StakingKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().NoError(err)
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var msg types.MsgWithdrawValidatorCommission
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().True(operationMsg.OK)
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suite.Require().Equal("cosmosvaloper1tnh2q55v8wyygtt9srz5safamzdengsn9dsd7z", msg.GetValidatorAddress().String())
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suite.Require().Equal(types.TypeMsgWithdrawValidatorCommission, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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// TestSimulateMsgFundCommunityPool tests the normal scenario of a valid message of type TypeMsgFundCommunityPool.
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// Abonormal scenarios, where the message is created by an errors, are not tested here.
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func (suite *SimTestSuite) TestSimulateMsgFundCommunityPool() {
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// setup 3 accounts
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s := rand.NewSource(1)
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r := rand.New(s)
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accounts := suite.getTestingAccounts(r, 3)
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// begin a new block
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suite.app.BeginBlock(abci.RequestBeginBlock{Header: abci.Header{Height: suite.app.LastBlockHeight() + 1, AppHash: suite.app.LastCommitID().Hash}})
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// execute operation
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op := simulation.SimulateMsgFundCommunityPool(suite.app.AccountKeeper, suite.app.BankKeeper, suite.app.DistrKeeper, suite.app.StakingKeeper)
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operationMsg, futureOperations, err := op(r, suite.app.BaseApp, suite.ctx, accounts, "")
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suite.Require().NoError(err)
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var msg types.MsgFundCommunityPool
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types.ModuleCdc.UnmarshalJSON(operationMsg.Msg, &msg)
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suite.Require().True(operationMsg.OK)
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suite.Require().Equal("4896096stake", msg.GetAmount().String())
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suite.Require().Equal("cosmos1ghekyjucln7y67ntx7cf27m9dpuxxemn4c8g4r", msg.Depositor.String())
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suite.Require().Equal(types.TypeMsgFundCommunityPool, msg.Type())
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suite.Require().Equal(types.ModuleName, msg.Route())
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suite.Require().Len(futureOperations, 0)
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}
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type SimTestSuite struct {
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suite.Suite
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ctx sdk.Context
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app *simapp.SimApp
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}
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func (suite *SimTestSuite) SetupTest() {
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checkTx := false
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app := simapp.Setup(checkTx)
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suite.app = app
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suite.ctx = app.BaseApp.NewContext(checkTx, abci.Header{})
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}
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func (suite *SimTestSuite) getTestingAccounts(r *rand.Rand, n int) []simtypes.Account {
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accounts := simtypes.RandomAccounts(r, n)
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initAmt := sdk.TokensFromConsensusPower(200)
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initCoins := sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, initAmt))
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// add coins to the accounts
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for _, account := range accounts {
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acc := suite.app.AccountKeeper.NewAccountWithAddress(suite.ctx, account.Address)
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suite.app.AccountKeeper.SetAccount(suite.ctx, acc)
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err := suite.app.BankKeeper.SetBalances(suite.ctx, account.Address, initCoins)
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suite.Require().NoError(err)
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}
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return accounts
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}
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func (suite *SimTestSuite) getTestingValidator0(accounts []simtypes.Account) stakingtypes.Validator {
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commission0 := stakingtypes.NewCommission(sdk.ZeroDec(), sdk.OneDec(), sdk.OneDec())
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return suite.getTestingValidator(accounts, commission0, 0)
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}
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func (suite *SimTestSuite) getTestingValidator(accounts []simtypes.Account, commission stakingtypes.Commission, n int) stakingtypes.Validator {
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account := accounts[n]
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valPubKey := account.PubKey
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valAddr := sdk.ValAddress(account.PubKey.Address().Bytes())
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validator := stakingtypes.NewValidator(valAddr, valPubKey, stakingtypes.Description{})
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validator, err := validator.SetInitialCommission(commission)
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suite.Require().NoError(err)
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validator.DelegatorShares = sdk.NewDec(100)
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validator.Tokens = sdk.NewInt(1000000)
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suite.app.StakingKeeper.SetValidator(suite.ctx, validator)
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return validator
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}
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func (suite *SimTestSuite) setupValidatorRewards(valAddress sdk.ValAddress) {
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decCoins := sdk.DecCoins{sdk.NewDecCoinFromDec(sdk.DefaultBondDenom, sdk.OneDec())}
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historicalRewards := distrtypes.NewValidatorHistoricalRewards(decCoins, 2)
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suite.app.DistrKeeper.SetValidatorHistoricalRewards(suite.ctx, valAddress, 2, historicalRewards)
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// setup current revards
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currentRewards := distrtypes.NewValidatorCurrentRewards(decCoins, 3)
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suite.app.DistrKeeper.SetValidatorCurrentRewards(suite.ctx, valAddress, currentRewards)
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}
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func TestSimTestSuite(t *testing.T) {
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suite.Run(t, new(SimTestSuite))
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}
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