mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-14 12:05:18 +00:00
409 lines
14 KiB
Go
409 lines
14 KiB
Go
package app
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import (
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"testing"
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"time"
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sdkmath "cosmossdk.io/math"
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"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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govkeeper "github.com/cosmos/cosmos-sdk/x/gov/keeper"
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govv1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1"
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govv1beta1 "github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
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"github.com/cosmos/cosmos-sdk/x/staking"
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stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/stretchr/testify/suite"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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)
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// d is an alias for sdk.MustNewDecFromStr
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var d = sdk.MustNewDecFromStr
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type tallyHandlerSuite struct {
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suite.Suite
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app TestApp
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ctx sdk.Context
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staking stakingHelper
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tallier TallyHandler
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}
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func TestTallyHandlerSuite(t *testing.T) {
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suite.Run(t, new(tallyHandlerSuite))
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}
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func (suite *tallyHandlerSuite) SetupTest() {
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suite.app = NewTestApp()
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suite.app.InitializeFromGenesisStates()
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genesisTime := time.Date(1998, 1, 1, 0, 0, 0, 0, time.UTC)
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suite.ctx = suite.app.NewContext(false, tmproto.Header{Height: 1, Time: genesisTime})
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suite.staking = stakingHelper{suite.app.GetStakingKeeper()}
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suite.staking.setBondDenom(suite.ctx, "ukava")
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suite.tallier = NewTallyHandler(
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suite.app.GetGovKeeper(),
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suite.app.GetStakingKeeper(),
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suite.app.GetBankKeeper(),
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)
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}
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func (suite *tallyHandlerSuite) TestVotePower_AllSourcesCounted() {
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user := suite.createAccount(suite.newBondCoin(sdkmath.NewInt(1e9)))
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validator := suite.delegateToNewBondedValidator(user.GetAddress(), sdkmath.NewInt(1e9))
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derivatives := suite.mintDerivative(user.GetAddress(), validator.GetOperator(), sdkmath.NewInt(500e6))
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suite.allowBKavaEarnDeposits()
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suite.earnDeposit(
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user.GetAddress(),
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sdk.NewCoin(derivatives.Denom, sdkmath.NewInt(250e6)),
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)
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proposal := suite.createProposal()
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suite.voteOnProposal(user.GetAddress(), proposal.Id, govv1beta1.OptionYes)
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_, _, results := suite.tallier.Tally(suite.ctx, proposal)
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suite.Equal(sdkmath.NewInt(500e6+250e6+250e6).String(), results.YesCount)
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suite.Equal(sdk.ZeroInt().String(), results.NoCount)
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suite.Equal(sdk.ZeroInt().String(), results.NoWithVetoCount)
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suite.Equal(sdk.ZeroInt().String(), results.AbstainCount)
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}
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func (suite *tallyHandlerSuite) TestVotePower_UserOverridesValidator() {
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user := suite.createAccount(suite.newBondCoin(sdkmath.NewInt(1e9)))
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delegated := sdkmath.NewInt(1e9)
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validator := suite.delegateToNewBondedValidator(user.GetAddress(), delegated)
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selfDelegated := validator.GetTokens().Sub(delegated)
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derivatives := suite.mintDerivative(user.GetAddress(), validator.GetOperator(), sdkmath.NewInt(500e6))
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suite.allowBKavaEarnDeposits()
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suite.earnDeposit(
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user.GetAddress(),
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sdk.NewCoin(derivatives.Denom, sdkmath.NewInt(250e6)),
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)
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proposal := suite.createProposal()
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// Validator votes, inheriting user's stake and bkava.
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suite.voteOnProposal(validator.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionYes)
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// use wrapped context to discard the state changes
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readOnlyCtx, _ := suite.ctx.CacheContext()
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_, _, results := suite.tallier.Tally(readOnlyCtx, proposal)
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userPower := sdkmath.NewInt(500e6 + 250e6 + 250e6)
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suite.Equal(
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selfDelegated.Add(userPower).String(),
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results.YesCount,
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)
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suite.Equal(sdk.ZeroInt().String(), results.NoCount)
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suite.Equal(sdk.ZeroInt().String(), results.NoWithVetoCount)
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suite.Equal(sdk.ZeroInt().String(), results.AbstainCount)
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// User votes, taking power away from validator.
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suite.voteOnProposal(user.GetAddress(), proposal.Id, govv1beta1.OptionNo)
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_, _, results = suite.tallier.Tally(suite.ctx, proposal)
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suite.Equal(selfDelegated.String(), results.YesCount)
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suite.Equal(userPower.String(), results.NoCount)
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suite.Equal(sdk.ZeroInt().String(), results.NoWithVetoCount)
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suite.Equal(sdk.ZeroInt().String(), results.AbstainCount)
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}
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func (suite *tallyHandlerSuite) TestTallyOutcomes() {
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suite.Run("VotedPowerBelowQuorumFails", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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v1 := suite.createNewBondedValidator(sdkmath.NewInt(399_999_999))
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suite.createNewBondedValidator(sdkmath.NewInt(600_000_001))
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suite.voteOnProposal(v1.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionYes)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Falsef(passes, "expected proposal to fail, tally: %v", tally)
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suite.Truef(burns, "expected desposit to be burned, tally: %v", tally)
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})
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suite.Run("VetoedFails", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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v1 := suite.createNewBondedValidator(sdkmath.NewInt(334_000_001))
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v2 := suite.createNewBondedValidator(sdkmath.NewInt(665_999_999))
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suite.voteOnProposal(v1.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionNoWithVeto)
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suite.voteOnProposal(v2.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionYes)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Falsef(passes, "expected proposal to fail, tally: %v", tally)
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suite.Truef(burns, "expected desposit to be burned, tally: %v", tally)
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})
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suite.Run("UnvetoedAndYesAboveThresholdPasses", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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v1 := suite.createNewBondedValidator(sdkmath.NewInt(900_000_000))
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v2 := suite.createNewBondedValidator(sdkmath.NewInt(50_000_001))
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v3 := suite.createNewBondedValidator(sdkmath.NewInt(49_999_999))
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suite.voteOnProposal(v1.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionAbstain)
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suite.voteOnProposal(v2.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionYes)
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suite.voteOnProposal(v3.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionNo)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Truef(passes, "expected proposal to pass, tally: %v", tally)
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suite.Falsef(burns, "expected desposit to not burn, tally: %v", tally)
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})
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suite.Run("UnvetoedAndYesBelowThresholdFails", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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v1 := suite.createNewBondedValidator(sdkmath.NewInt(900_000_000))
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v2 := suite.createNewBondedValidator(sdkmath.NewInt(49_999_999))
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v3 := suite.createNewBondedValidator(sdkmath.NewInt(50_000_001))
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suite.voteOnProposal(v1.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionAbstain)
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suite.voteOnProposal(v2.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionYes)
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suite.voteOnProposal(v3.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionNo)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Falsef(passes, "expected proposal to pass, tally: %v", tally)
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suite.Falsef(burns, "expected desposit to not burn, tally: %v", tally)
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})
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suite.Run("NotEnoughStakeFails", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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// no stake
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suite.app.DeleteGenesisValidator(suite.T(), suite.ctx)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Falsef(passes, "expected proposal to pass, tally: %v", tally)
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suite.Falsef(burns, "expected desposit to not burn, tally: %v", tally)
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})
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suite.Run("UnvetoedAndAllAbstainedFails", func() {
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suite.SetupTest()
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suite.setTallyParams(d("0.4"), d("0.5"), d("0.334"))
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proposal := suite.createProposal()
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v1 := suite.createNewBondedValidator(sdkmath.NewInt(1e9))
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suite.voteOnProposal(v1.GetOperator().Bytes(), proposal.Id, govv1beta1.OptionAbstain)
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passes, burns, tally := suite.tallier.Tally(suite.ctx, proposal)
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suite.Falsef(passes, "expected proposal to pass, tally: %v", tally)
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suite.Falsef(burns, "expected desposit to not burn, tally: %v", tally)
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})
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}
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func (suite *tallyHandlerSuite) setTallyParams(quorum, threshold, veto sdk.Dec) {
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suite.app.GetGovKeeper().SetTallyParams(suite.ctx, govv1.TallyParams{
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Quorum: quorum.String(),
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Threshold: threshold.String(),
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VetoThreshold: veto.String(),
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})
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}
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func (suite *tallyHandlerSuite) voteOnProposal(
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voter sdk.AccAddress,
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proposalID uint64,
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option govv1beta1.VoteOption,
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) {
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gk := suite.app.GetGovKeeper()
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err := gk.AddVote(suite.ctx,
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proposalID,
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voter,
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govv1.NewNonSplitVoteOption(govv1.VoteOption(option)),
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"",
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)
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suite.Require().NoError(err)
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}
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func (suite *tallyHandlerSuite) createProposal() govv1.Proposal {
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gk := suite.app.GetGovKeeper()
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deposit := gk.GetDepositParams(suite.ctx).MinDeposit
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proposer := suite.createAccount(deposit...)
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msg, err := govv1beta1.NewMsgSubmitProposal(
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govv1beta1.NewTextProposal("a title", "a description"),
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deposit,
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proposer.GetAddress(),
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)
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suite.Require().NoError(err)
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msgServerv1 := govkeeper.NewMsgServerImpl(gk)
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govAcct := gk.GetGovernanceAccount(suite.ctx).GetAddress()
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msgServer := govkeeper.NewLegacyMsgServerImpl(govAcct.String(), msgServerv1)
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res, err := msgServer.SubmitProposal(sdk.WrapSDKContext(suite.ctx), msg)
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suite.Require().NoError(err)
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proposal, found := gk.GetProposal(suite.ctx, res.ProposalId)
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if !found {
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panic("proposal not found")
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}
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return proposal
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}
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func (suite *tallyHandlerSuite) newBondCoin(amount sdkmath.Int) sdk.Coin {
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return suite.staking.newBondCoin(suite.ctx, amount)
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}
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func (suite *tallyHandlerSuite) allowBKavaEarnDeposits() {
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// ek := suite.app.GetEarnKeeper()
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// earnParams := ek.GetParams(suite.ctx)
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// vault := earntypes.NewAllowedVault(
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// liquidtypes.DefaultDerivativeDenom,
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// earntypes.StrategyTypes{earntypes.STRATEGY_TYPE_SAVINGS},
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// false,
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// nil,
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// )
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// earnParams.AllowedVaults = append(earnParams.AllowedVaults, vault)
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// ek.SetParams(suite.ctx, earnParams)
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// sk := suite.app.GetSavingsKeeper()
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// savingsParams := sk.GetParams(suite.ctx)
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// savingsParams.SupportedDenoms = append(savingsParams.SupportedDenoms, liquidtypes.DefaultDerivativeDenom)
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// sk.SetParams(suite.ctx, savingsParams)
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}
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func (suite *tallyHandlerSuite) earnDeposit(owner sdk.AccAddress, derivative sdk.Coin) {
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// ek := suite.app.GetEarnKeeper()
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// err := ek.Deposit(suite.ctx, owner, derivative, earntypes.STRATEGY_TYPE_SAVINGS)
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// suite.Require().NoError(err)
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}
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func (suite *tallyHandlerSuite) mintDerivative(owner sdk.AccAddress, validator sdk.ValAddress, amount sdkmath.Int) sdk.Coin {
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// lk := suite.app.GetLiquidKeeper()
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// minted, err := lk.MintDerivative(suite.ctx, owner, validator, suite.newBondCoin(amount))
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// suite.Require().NoError(err)
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// return minted
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return sdk.NewCoin("ukava", amount)
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}
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func (suite *tallyHandlerSuite) delegateToNewBondedValidator(delegator sdk.AccAddress, amount sdkmath.Int) stakingtypes.ValidatorI {
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valAcc := suite.createAccount(suite.newBondCoin(sdkmath.NewInt(1e9)))
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validator, err := suite.staking.createUnbondedValidator(suite.ctx, valAcc.GetAddress().Bytes(), sdkmath.NewInt(1e9))
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suite.Require().NoError(err)
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_, err = suite.staking.delegate(suite.ctx, delegator, validator.GetOperator(), amount)
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suite.Require().NoError(err)
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// bond the validator
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sk := suite.app.GetStakingKeeper()
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staking.EndBlocker(suite.ctx, sk)
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validator, found := sk.GetValidator(suite.ctx, validator.GetOperator())
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if !found {
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panic("validator not found")
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}
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return validator
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}
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func (suite *tallyHandlerSuite) createNewBondedValidator(selfDelegation sdkmath.Int) stakingtypes.ValidatorI {
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valAcc := suite.createAccount(suite.newBondCoin(selfDelegation))
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validator, err := suite.staking.createUnbondedValidator(suite.ctx, valAcc.GetAddress().Bytes(), selfDelegation)
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suite.Require().NoError(err)
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// bond the validator
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sk := suite.app.GetStakingKeeper()
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staking.EndBlocker(suite.ctx, sk)
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validator, found := sk.GetValidator(suite.ctx, validator.GetOperator())
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if !found {
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panic("validator not found")
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}
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return validator
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}
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func (suite *tallyHandlerSuite) createAccount(initialBalance ...sdk.Coin) authtypes.AccountI {
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ak := suite.app.GetAccountKeeper()
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acc := ak.NewAccountWithAddress(suite.ctx, RandomAddress())
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ak.SetAccount(suite.ctx, acc)
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err := suite.app.FundAccount(suite.ctx, acc.GetAddress(), initialBalance)
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suite.Require().NoError(err)
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return acc
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}
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// stakingHelper wraps the staking keeper with helper functions for testing.
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type stakingHelper struct {
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keeper stakingkeeper.Keeper
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}
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func (h stakingHelper) createUnbondedValidator(ctx sdk.Context, address sdk.ValAddress, selfDelegation sdkmath.Int) (stakingtypes.ValidatorI, error) {
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msg, err := stakingtypes.NewMsgCreateValidator(
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address,
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ed25519.GenPrivKey().PubKey(),
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h.newBondCoin(ctx, selfDelegation),
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stakingtypes.Description{},
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stakingtypes.NewCommissionRates(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
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sdkmath.NewInt(1e6),
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)
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if err != nil {
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return nil, err
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}
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msgServer := stakingkeeper.NewMsgServerImpl(h.keeper)
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_, err = msgServer.CreateValidator(sdk.WrapSDKContext(ctx), msg)
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if err != nil {
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return nil, err
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}
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validator, found := h.keeper.GetValidator(ctx, address)
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if !found {
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panic("validator not found")
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}
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return validator, nil
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}
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func (h stakingHelper) delegate(ctx sdk.Context, delegator sdk.AccAddress, validator sdk.ValAddress, amount sdkmath.Int) (sdk.Dec, error) {
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msg := stakingtypes.NewMsgDelegate(
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delegator,
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validator,
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h.newBondCoin(ctx, amount),
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)
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msgServer := stakingkeeper.NewMsgServerImpl(h.keeper)
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_, err := msgServer.Delegate(sdk.WrapSDKContext(ctx), msg)
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if err != nil {
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return sdk.Dec{}, err
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}
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del, found := h.keeper.GetDelegation(ctx, delegator, validator)
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if !found {
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panic("delegation not found")
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}
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return del.Shares, nil
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}
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func (h stakingHelper) newBondCoin(ctx sdk.Context, amount sdkmath.Int) sdk.Coin {
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return sdk.NewCoin(h.keeper.BondDenom(ctx), amount)
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}
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func (h stakingHelper) setBondDenom(ctx sdk.Context, denom string) {
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params := h.keeper.GetParams(ctx)
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params.BondDenom = denom
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h.keeper.SetParams(ctx, params)
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}
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