mirror of
https://github.com/0glabs/0g-chain.git
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219 lines
7.4 KiB
Go
219 lines
7.4 KiB
Go
package keeper_test
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import (
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"math/big"
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"testing"
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sdkmath "cosmossdk.io/math"
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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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bankkeeper "github.com/cosmos/cosmos-sdk/x/bank/keeper"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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"github.com/stretchr/testify/suite"
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"github.com/0glabs/0g-chain/app"
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"github.com/0glabs/0g-chain/chaincfg"
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"github.com/0glabs/0g-chain/x/evmutil/keeper"
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"github.com/0glabs/0g-chain/x/evmutil/testutil"
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"github.com/0glabs/0g-chain/x/evmutil/types"
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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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contractAddr types.InternalEVMAddress
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cosmosCoin types.AllowedCosmosCoinERC20Token
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cosmosCoinContractAddr types.InternalEVMAddress
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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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func (suite *invariantTestSuite) SetupTest() {
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suite.Suite.SetupTest()
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suite.contractAddr = suite.DeployERC20()
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suite.invariants = make(map[string]map[string]sdk.Invariant)
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keeper.RegisterInvariants(suite, suite.BankKeeper, suite.Keeper)
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}
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func (suite *invariantTestSuite) SetupValidState() {
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for i := 0; i < 4; i++ {
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suite.Keeper.SetAccount(suite.Ctx, *types.NewAccount(
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suite.Addrs[i],
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keeper.ConversionMultiplier.QuoRaw(2),
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))
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}
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suite.FundModuleAccountWithZgChain(
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types.ModuleName,
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sdk.NewCoins(
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sdk.NewCoin(chaincfg.DisplayDenom, sdkmath.NewInt(2)), // ( sum of all minor balances ) / conversion multiplier
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),
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)
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err := suite.Keeper.MintERC20(suite.Ctx, suite.contractAddr, suite.Key1Addr, big.NewInt(1000000))
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suite.Require().NoError(err)
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// key1 ERC20 bal -10000, sdk.Coin +1000
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// Module account balance 0 -> 1000
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_, err = suite.Keeper.CallEVM(
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suite.Ctx,
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types.ERC20MintableBurnableContract.ABI,
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suite.Key1Addr.Address,
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suite.contractAddr,
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"convertToCoin",
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// convertToCoin ERC20 args
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suite.Key1Addr.Address,
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big.NewInt(1000),
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)
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suite.Require().NoError(err)
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// setup a cosmos coin erc20 with supply
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tokenInfo := types.NewAllowedCosmosCoinERC20Token("magic", "Magic coin", "MAGIC", 6)
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suite.cosmosCoin = tokenInfo
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params := suite.Keeper.GetParams(suite.Ctx)
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params.AllowedCosmosDenoms = append(params.AllowedCosmosDenoms, tokenInfo)
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suite.Keeper.SetParams(suite.Ctx, params)
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suite.cosmosCoinContractAddr, err = suite.Keeper.GetOrDeployCosmosCoinERC20Contract(suite.Ctx, tokenInfo)
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suite.NoError(err)
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// setup converted coin position
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err = suite.Keeper.MintERC20(
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suite.Ctx,
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suite.cosmosCoinContractAddr,
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testutil.RandomInternalEVMAddress(),
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big.NewInt(1e12),
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)
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suite.NoError(err)
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err = suite.App.FundModuleAccount(
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suite.Ctx,
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types.ModuleName,
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sdk.NewCoins(sdk.NewInt64Coin(tokenInfo.CosmosDenom, 1e12)),
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)
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suite.NoError(err)
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}
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// RegisterRoutes implements sdk.InvariantRegistry
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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(bankKeeper types.BankKeeper, 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.BankKeeper, 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.BankKeeper, 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 dMessage, dBroken
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}
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func (suite *invariantTestSuite) TestFullyBackedInvariant() {
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// default state is valid
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_, broken := suite.runInvariant("fully-backed", keeper.FullyBackedInvariant)
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suite.Equal(false, broken)
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suite.SetupValidState()
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_, broken = suite.runInvariant("fully-backed", keeper.FullyBackedInvariant)
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suite.Equal(false, broken)
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// break invariant by increasing total minor balances above module balance
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suite.Keeper.AddBalance(suite.Ctx, suite.Addrs[0], sdk.OneInt())
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message, broken := suite.runInvariant("fully-backed", keeper.FullyBackedInvariant)
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suite.Equal("evmutil: fully backed broken invariant\nsum of minor balances greater than module account\n", message)
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suite.Equal(true, broken)
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}
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func (suite *invariantTestSuite) TestSmallBalances() {
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// default state is valid
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_, broken := suite.runInvariant("small-balances", keeper.SmallBalancesInvariant)
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suite.Equal(false, broken)
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suite.SetupValidState()
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_, broken = suite.runInvariant("small-balances", keeper.SmallBalancesInvariant)
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suite.Equal(false, broken)
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// increase minor balance at least above conversion multiplier
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suite.Keeper.AddBalance(suite.Ctx, suite.Addrs[0], keeper.ConversionMultiplier)
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// add same number of a0gi to avoid breaking other invariants
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amt := sdk.NewCoins(sdk.NewInt64Coin(chaincfg.DisplayDenom, 1))
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suite.Require().NoError(
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suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, amt),
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)
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message, broken := suite.runInvariant("small-balances", keeper.SmallBalancesInvariant)
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suite.Equal("evmutil: small balances broken invariant\nminor balances not all less than overflow\n", message)
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suite.Equal(true, broken)
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}
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// the cosmos-coins-fully-backed invariant depends on 1-to-1 mapping of module balance to erc20s
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// if coins can be sent directly to the module account, this assumption is broken.
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// this test verifies that coins cannot be directly sent to the module account.
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func (suite *invariantTestSuite) TestSendToModuleAccountNotAllowed() {
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bKeeper := suite.App.GetBankKeeper()
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maccAddress := authtypes.NewModuleAddress(types.ModuleName)
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suite.True(bKeeper.BlockedAddr(maccAddress))
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coins := sdk.NewCoins(sdk.NewInt64Coin(suite.cosmosCoin.CosmosDenom, 1e7))
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addr := app.RandomAddress()
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err := suite.App.FundAccount(suite.Ctx, addr, coins)
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suite.NoError(err)
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bankMsgServer := bankkeeper.NewMsgServerImpl(bKeeper)
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_, err = bankMsgServer.Send(suite.Ctx, &banktypes.MsgSend{
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FromAddress: addr.String(),
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ToAddress: maccAddress.String(),
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Amount: coins,
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})
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suite.ErrorContains(err, "0g1w9vxuke5dz6hyza2j932qgmxltnfxwl78u920k is not allowed to receive funds: unauthorized")
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}
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func (suite *invariantTestSuite) TestCosmosCoinsFullyBackedInvariant() {
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invariantName := "cosmos-coins-fully-backed"
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// default state is valid
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_, broken := suite.runInvariant(invariantName, keeper.CosmosCoinsFullyBackedInvariant)
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suite.False(broken)
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suite.SetupValidState()
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_, broken = suite.runInvariant(invariantName, keeper.CosmosCoinsFullyBackedInvariant)
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suite.False(broken)
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// break the invariant by removing module account balance without adjusting token supply
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err := suite.BankKeeper.SendCoinsFromModuleToAccount(
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suite.Ctx,
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types.ModuleName,
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app.RandomAddress(),
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sdk.NewCoins(sdk.NewInt64Coin(suite.cosmosCoin.CosmosDenom, 1e5)),
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)
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suite.NoError(err)
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_, broken = suite.runInvariant(invariantName, keeper.CosmosCoinsFullyBackedInvariant)
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suite.True(broken)
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}
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