mirror of
https://github.com/0glabs/0g-chain.git
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Add Invariants for Swap Module (#979)
* add swap module invariants * typo * update alias file for invariants * typo in test name * fix typo - method iterates share record, not pools
This commit is contained in:
Nick DeLuca
GitHub
parent
56463eca14
commit
b86cfc9f14
@ -24,6 +24,7 @@ const (
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EventTypeSwapWithdraw = types.EventTypeSwapWithdraw
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ModuleAccountName = types.ModuleAccountName
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ModuleName = types.ModuleName
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PoolIDSep = types.PoolIDSep
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QuerierRoute = types.QuerierRoute
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QueryGetDeposits = types.QueryGetDeposits
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QueryGetParams = types.QueryGetParams
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@ -35,8 +36,14 @@ const (
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var (
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// function aliases
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AllInvariants = keeper.AllInvariants
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NewKeeper = keeper.NewKeeper
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NewQuerier = keeper.NewQuerier
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PoolRecordsInvariant = keeper.PoolRecordsInvariant
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PoolReservesInvariant = keeper.PoolReservesInvariant
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PoolSharesInvariant = keeper.PoolSharesInvariant
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RegisterInvariants = keeper.RegisterInvariants
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ShareRecordsInvariant = keeper.ShareRecordsInvariant
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DefaultGenesisState = types.DefaultGenesisState
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DefaultParams = types.DefaultParams
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DepositorPoolSharesKey = types.DepositorPoolSharesKey
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@ -1,19 +0,0 @@
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package keeper_test
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import (
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"testing"
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//"github.com/kava-labs/kava/x/swap"
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"github.com/kava-labs/kava/x/swap/testutil"
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//"github.com/kava-labs/kava/x/swap/types"
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"github.com/stretchr/testify/suite"
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//sdk "github.com/cosmos/cosmos-sdk/types"
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)
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type invariantTestSuite struct {
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testutil.Suite
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}
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func TestGenesisTestSuite(t *testing.T) {
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suite.Run(t, new(invariantTestSuite))
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}
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138
x/swap/keeper/invariants.go
Normal file
138
x/swap/keeper/invariants.go
Normal file
@ -0,0 +1,138 @@
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package keeper
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import (
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"github.com/kava-labs/kava/x/swap/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// RegisterInvariants registers the swap module invariants
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func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper) {
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ir.RegisterRoute(types.ModuleName, "pool-records", PoolRecordsInvariant(k))
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ir.RegisterRoute(types.ModuleName, "share-records", ShareRecordsInvariant(k))
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ir.RegisterRoute(types.ModuleName, "pool-reserves", PoolReservesInvariant(k))
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ir.RegisterRoute(types.ModuleName, "pool-shares", PoolSharesInvariant(k))
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}
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// AllInvariants runs all invariants of the swap module
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func AllInvariants(k Keeper) sdk.Invariant {
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return func(ctx sdk.Context) (string, bool) {
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if res, stop := PoolRecordsInvariant(k)(ctx); stop {
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return res, stop
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}
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if res, stop := ShareRecordsInvariant(k)(ctx); stop {
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return res, stop
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}
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if res, stop := PoolReservesInvariant(k)(ctx); stop {
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return res, stop
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}
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res, stop := PoolSharesInvariant(k)(ctx)
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return res, stop
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}
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}
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// PoolRecordsInvariant iterates all pool records and asserts that they are valid
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func PoolRecordsInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "validate pool records broken", "pool record invalid")
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return func(ctx sdk.Context) (string, bool) {
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k.IteratePools(ctx, func(record types.PoolRecord) bool {
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if err := record.Validate(); err != nil {
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broken = true
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return true
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}
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return false
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})
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return message, broken
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}
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}
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// ShareRecordsInvariant iterates all share records and asserts that they are valid
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func ShareRecordsInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "validate share records broken", "share record invalid")
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return func(ctx sdk.Context) (string, bool) {
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k.IterateDepositorShares(ctx, func(record types.ShareRecord) bool {
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if err := record.Validate(); err != nil {
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broken = true
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return true
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}
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return false
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})
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return message, broken
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}
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}
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// PoolReservesInvariant iterates all pools and ensures the total reserves matches the module account coins
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func PoolReservesInvariant(k Keeper) sdk.Invariant {
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message := sdk.FormatInvariant(types.ModuleName, "pool reserves broken", "pool reserves do not match module account")
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return func(ctx sdk.Context) (string, bool) {
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mAcc := k.supplyKeeper.GetModuleAccount(ctx, types.ModuleName)
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reserves := sdk.Coins{}
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k.IteratePools(ctx, func(record types.PoolRecord) bool {
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for _, coin := range record.Reserves() {
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reserves = reserves.Add(coin)
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}
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return false
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})
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broken := !reserves.IsEqual(mAcc.GetCoins())
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return message, broken
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}
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}
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type poolShares struct {
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totalShares sdk.Int
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totalSharesOwned sdk.Int
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}
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// PoolSharesInvariant iterates all pools and shares and ensures the total pool shares match the sum of depositor shares
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func PoolSharesInvariant(k Keeper) sdk.Invariant {
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broken := false
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message := sdk.FormatInvariant(types.ModuleName, "pool shares broken", "pool shares do not match depositor shares")
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return func(ctx sdk.Context) (string, bool) {
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totalShares := make(map[string]poolShares)
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k.IteratePools(ctx, func(pr types.PoolRecord) bool {
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totalShares[pr.PoolID] = poolShares{
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totalShares: pr.TotalShares,
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totalSharesOwned: sdk.ZeroInt(),
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}
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return false
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})
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k.IterateDepositorShares(ctx, func(sr types.ShareRecord) bool {
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if shares, found := totalShares[sr.PoolID]; found {
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shares.totalSharesOwned = shares.totalSharesOwned.Add(sr.SharesOwned)
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totalShares[sr.PoolID] = shares
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} else {
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totalShares[sr.PoolID] = poolShares{
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totalShares: sdk.ZeroInt(),
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totalSharesOwned: sr.SharesOwned,
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}
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}
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return false
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})
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for _, ps := range totalShares {
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if !ps.totalShares.Equal(ps.totalSharesOwned) {
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broken = true
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break
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}
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}
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return message, broken
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}
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}
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235
x/swap/keeper/invariants_test.go
Normal file
235
x/swap/keeper/invariants_test.go
Normal file
@ -0,0 +1,235 @@
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package keeper_test
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import (
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"testing"
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"github.com/kava-labs/kava/x/swap/keeper"
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"github.com/kava-labs/kava/x/swap/testutil"
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"github.com/kava-labs/kava/x/swap/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/stretchr/testify/suite"
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)
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type invariantTestSuite struct {
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testutil.Suite
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invariants map[string]map[string]sdk.Invariant
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}
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func (suite *invariantTestSuite) SetupTest() {
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suite.Suite.SetupTest()
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suite.invariants = make(map[string]map[string]sdk.Invariant)
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keeper.RegisterInvariants(suite, suite.Keeper)
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}
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func (suite *invariantTestSuite) SetupValidState() {
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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sdk.NewInt(3e6),
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))
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suite.AddCoinsToModule(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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)
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suite.Keeper.SetDepositorShares(suite.Ctx, types.NewShareRecord(
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sdk.AccAddress("depositor 1"),
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types.PoolID("ukava", "usdx"),
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sdk.NewInt(2e6),
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))
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suite.Keeper.SetDepositorShares(suite.Ctx, types.NewShareRecord(
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sdk.AccAddress("depositor 2"),
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types.PoolID("ukava", "usdx"),
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sdk.NewInt(1e6),
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))
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("hard", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(2e6)),
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),
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sdk.NewInt(1e6),
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))
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suite.AddCoinsToModule(
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sdk.NewCoins(
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sdk.NewCoin("hard", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(2e6)),
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),
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)
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suite.Keeper.SetDepositorShares(suite.Ctx, types.NewShareRecord(
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sdk.AccAddress("depositor 1"),
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types.PoolID("hard", "usdx"),
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sdk.NewInt(1e6),
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))
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}
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func (suite *invariantTestSuite) RegisterRoute(moduleName string, route string, invariant sdk.Invariant) {
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_, exists := suite.invariants[moduleName]
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if !exists {
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suite.invariants[moduleName] = make(map[string]sdk.Invariant)
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}
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suite.invariants[moduleName][route] = invariant
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}
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func (suite *invariantTestSuite) runInvariant(route string, invariant func(k keeper.Keeper) sdk.Invariant) (string, bool) {
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ctx := suite.Ctx
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registeredInvariant := suite.invariants[types.ModuleName][route]
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suite.Require().NotNil(registeredInvariant)
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// direct call
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dMessage, dBroken := invariant(suite.Keeper)(ctx)
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// registered call
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rMessage, rBroken := registeredInvariant(ctx)
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// all call
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aMessage, aBroken := keeper.AllInvariants(suite.Keeper)(ctx)
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// require matching values for direct call and registered call
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suite.Require().Equal(dMessage, rMessage, "expected registered invariant message to match")
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suite.Require().Equal(dBroken, rBroken, "expected registered invariant broken to match")
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// require matching values for direct call and all invariants call if broken
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suite.Require().Equal(dBroken, aBroken, "expected all invariant broken to match")
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if dBroken {
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suite.Require().Equal(dMessage, aMessage, "expected all invariant message to match")
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}
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// return message, broken
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return dMessage, dBroken
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}
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func (suite *invariantTestSuite) TestPoolRecordsInvariant() {
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// default state is valid
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message, broken := suite.runInvariant("pool-records", keeper.PoolRecordsInvariant)
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suite.Equal("swap: validate pool records broken invariant\npool record invalid\n", message)
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suite.Equal(false, broken)
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suite.SetupValidState()
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message, broken = suite.runInvariant("pool-records", keeper.PoolRecordsInvariant)
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suite.Equal("swap: validate pool records broken invariant\npool record invalid\n", message)
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suite.Equal(false, broken)
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// broken with invalid pool record
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suite.Keeper.SetPool_Raw(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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sdk.NewInt(-1e6),
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))
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message, broken = suite.runInvariant("pool-records", keeper.PoolRecordsInvariant)
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suite.Equal("swap: validate pool records broken invariant\npool record invalid\n", message)
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suite.Equal(true, broken)
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}
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func (suite *invariantTestSuite) TestShareRecordsInvariant() {
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message, broken := suite.runInvariant("share-records", keeper.ShareRecordsInvariant)
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suite.Equal("swap: validate share records broken invariant\nshare record invalid\n", message)
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suite.Equal(false, broken)
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suite.SetupValidState()
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message, broken = suite.runInvariant("share-records", keeper.ShareRecordsInvariant)
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suite.Equal("swap: validate share records broken invariant\nshare record invalid\n", message)
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suite.Equal(false, broken)
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// broken with invalid share record
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suite.Keeper.SetDepositorShares_Raw(suite.Ctx, types.NewShareRecord(
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sdk.AccAddress("depositor 1"),
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types.PoolID("ukava", "usdx"),
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sdk.NewInt(-1e6),
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))
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message, broken = suite.runInvariant("share-records", keeper.ShareRecordsInvariant)
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suite.Equal("swap: validate share records broken invariant\nshare record invalid\n", message)
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suite.Equal(true, broken)
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}
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func (suite *invariantTestSuite) TestPoolReservesInvariant() {
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message, broken := suite.runInvariant("pool-reserves", keeper.PoolReservesInvariant)
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suite.Equal("swap: pool reserves broken invariant\npool reserves do not match module account\n", message)
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suite.Equal(false, broken)
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suite.SetupValidState()
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message, broken = suite.runInvariant("pool-reserves", keeper.PoolReservesInvariant)
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suite.Equal("swap: pool reserves broken invariant\npool reserves do not match module account\n", message)
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suite.Equal(false, broken)
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// broken when reserves are greater than module balance
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(2e6)),
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sdk.NewCoin("usdx", sdk.NewInt(10e6)),
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),
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sdk.NewInt(5e6),
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))
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message, broken = suite.runInvariant("pool-reserves", keeper.PoolReservesInvariant)
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suite.Equal("swap: pool reserves broken invariant\npool reserves do not match module account\n", message)
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suite.Equal(true, broken)
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// broken when reserves are less than the module balance
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e5)),
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sdk.NewCoin("usdx", sdk.NewInt(5e5)),
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),
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sdk.NewInt(3e5),
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))
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message, broken = suite.runInvariant("pool-reserves", keeper.PoolReservesInvariant)
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suite.Equal("swap: pool reserves broken invariant\npool reserves do not match module account\n", message)
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suite.Equal(true, broken)
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}
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func (suite *invariantTestSuite) TestPoolSharesInvariant() {
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message, broken := suite.runInvariant("pool-shares", keeper.PoolSharesInvariant)
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suite.Equal("swap: pool shares broken invariant\npool shares do not match depositor shares\n", message)
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suite.Equal(false, broken)
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suite.SetupValidState()
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message, broken = suite.runInvariant("pool-shares", keeper.PoolSharesInvariant)
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suite.Equal("swap: pool shares broken invariant\npool shares do not match depositor shares\n", message)
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suite.Equal(false, broken)
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// broken when total shares are greater than depositor shares
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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sdk.NewInt(5e6),
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))
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message, broken = suite.runInvariant("pool-shares", keeper.PoolSharesInvariant)
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suite.Equal("swap: pool shares broken invariant\npool shares do not match depositor shares\n", message)
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suite.Equal(true, broken)
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// broken when total shares are less than the depositor shares
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suite.Keeper.SetPool(suite.Ctx, types.NewPoolRecord(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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sdk.NewInt(1e5),
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))
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message, broken = suite.runInvariant("pool-shares", keeper.PoolSharesInvariant)
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suite.Equal("swap: pool shares broken invariant\npool shares do not match depositor shares\n", message)
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suite.Equal(true, broken)
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// broken when pool record is missing
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suite.Keeper.DeletePool(suite.Ctx, types.PoolID("ukava", "usdx"))
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suite.RemoveCoinsFromModule(
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sdk.NewCoins(
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sdk.NewCoin("ukava", sdk.NewInt(1e6)),
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sdk.NewCoin("usdx", sdk.NewInt(5e6)),
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),
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)
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message, broken = suite.runInvariant("pool-shares", keeper.PoolSharesInvariant)
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suite.Equal("swap: pool shares broken invariant\npool shares do not match depositor shares\n", message)
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suite.Equal(true, broken)
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}
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func TestInvariantTestSuite(t *testing.T) {
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suite.Run(t, new(invariantTestSuite))
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}
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@ -96,7 +96,9 @@ func (AppModule) Name() string {
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}
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// RegisterInvariants register module invariants
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func (AppModule) RegisterInvariants(_ sdk.InvariantRegistry) {}
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func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {
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keeper.RegisterInvariants(ir, am.keeper)
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}
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// Route module message route name
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func (AppModule) Route() string {
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40
x/swap/module_test.go
Normal file
40
x/swap/module_test.go
Normal file
@ -0,0 +1,40 @@
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package swap_test
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import (
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"testing"
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"github.com/kava-labs/kava/x/swap"
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"github.com/kava-labs/kava/x/swap/testutil"
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"github.com/cosmos/cosmos-sdk/x/crisis"
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"github.com/stretchr/testify/suite"
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)
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|
||||
type moduleTestSuite struct {
|
||||
testutil.Suite
|
||||
crisisKeeper crisis.Keeper
|
||||
}
|
||||
|
||||
func (suite *moduleTestSuite) SetupTest() {
|
||||
suite.Suite.SetupTest()
|
||||
suite.crisisKeeper = suite.App.GetCrisisKeeper()
|
||||
}
|
||||
|
||||
func (suite *moduleTestSuite) TestRegisterInvariants() {
|
||||
swapRoutes := []string{}
|
||||
|
||||
for _, route := range suite.crisisKeeper.Routes() {
|
||||
if route.ModuleName == swap.ModuleName {
|
||||
swapRoutes = append(swapRoutes, route.Route)
|
||||
}
|
||||
}
|
||||
|
||||
suite.Contains(swapRoutes, "pool-records")
|
||||
suite.Contains(swapRoutes, "share-records")
|
||||
suite.Contains(swapRoutes, "pool-reserves")
|
||||
suite.Contains(swapRoutes, "pool-shares")
|
||||
}
|
||||
|
||||
func TestModuleTestSuite(t *testing.T) {
|
||||
suite.Run(t, new(moduleTestSuite))
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user