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	 15c243224c
			
		
	
	
		15c243224c
		
			
		
	
	
	
	
		
			
			* fix(evmutil): create module account on InitGenesis ensures the creation of the x/evmutil module account on init genesis. * update changelog * cleanup debug logging
		
			
				
	
	
		
			354 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			354 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package keeper_test
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| 
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| import (
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| 	"math/big"
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| 	"testing"
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| 
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| 	sdkmath "cosmossdk.io/math"
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| 	sdk "github.com/cosmos/cosmos-sdk/types"
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/stretchr/testify/suite"
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| 
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| 	"github.com/kava-labs/kava/x/evmutil/testutil"
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| 	"github.com/kava-labs/kava/x/evmutil/types"
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| )
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| 
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| type ConversionTestSuite struct {
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| 	testutil.Suite
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| }
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| 
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| func TestConversionTestSuite(t *testing.T) {
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| 	suite.Run(t, new(ConversionTestSuite))
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| }
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| 
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| func (suite *ConversionTestSuite) TestMint() {
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| 	pair := types.NewConversionPair(
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| 		testutil.MustNewInternalEVMAddressFromString("0x000000000000000000000000000000000000000A"),
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	recipient := suite.Key1.PubKey().Address().Bytes()
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| 
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| 	coin, err := suite.Keeper.MintConversionPairCoin(suite.Ctx, pair, amount, recipient)
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| 	suite.Require().NoError(err)
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| 	suite.Require().Equal(sdk.NewCoin(pair.Denom, sdkmath.NewIntFromBigInt(amount)), coin)
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| 
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| 	bal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, recipient, pair.Denom)
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| 	suite.Require().Equal(amount, bal.Amount.BigInt(), "minted amount should increase balance")
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| }
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| 
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| func (suite *ConversionTestSuite) TestBurn_InsufficientBalance() {
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| 	pair := types.NewConversionPair(
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| 		testutil.MustNewInternalEVMAddressFromString("0x000000000000000000000000000000000000000A"),
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := sdkmath.NewInt(100)
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| 	recipient := suite.Key1.PubKey().Address().Bytes()
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| 
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| 	err := suite.Keeper.BurnConversionPairCoin(suite.Ctx, pair, sdk.NewCoin(pair.Denom, amount), recipient)
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| 	suite.Require().Error(err)
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| 	suite.Require().Equal("0erc20/usdc is smaller than 100erc20/usdc: insufficient funds", err.Error())
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| }
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| 
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| func (suite *ConversionTestSuite) TestBurn() {
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| 	pair := types.NewConversionPair(
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| 		testutil.MustNewInternalEVMAddressFromString("0x000000000000000000000000000000000000000A"),
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := sdkmath.NewInt(100)
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| 	recipient := suite.Key1.PubKey().Address().Bytes()
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| 
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| 	coin, err := suite.Keeper.MintConversionPairCoin(suite.Ctx, pair, amount.BigInt(), recipient)
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| 	suite.Require().NoError(err)
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| 	suite.Require().Equal(sdk.NewCoin(pair.Denom, amount), coin)
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| 
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| 	bal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, recipient, pair.Denom)
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| 	suite.Require().Equal(amount, bal.Amount, "minted amount should increase balance")
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| 
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| 	err = suite.Keeper.BurnConversionPairCoin(suite.Ctx, pair, sdk.NewCoin(pair.Denom, amount), recipient)
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| 	suite.Require().NoError(err)
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| 
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| 	bal = suite.App.GetBankKeeper().GetBalance(suite.Ctx, recipient, pair.Denom)
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| 	suite.Require().Equal(sdk.ZeroInt(), bal.Amount, "balance should be zero after burn")
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| }
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| 
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| func (suite *ConversionTestSuite) TestUnlockERC20Tokens() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	recipient := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key1.PubKey().Address()))
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| 	moduleAddr := types.NewInternalEVMAddress(types.ModuleEVMAddress)
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| 
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| 	// Mint some initial balance for module account to transfer
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| 	err := suite.Keeper.MintERC20(
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| 		suite.Ctx,
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| 		pair.GetAddress(), // contractAddr
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| 		moduleAddr,        //receiver
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| 		amount,
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| 	)
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| 	suite.Require().NoError(err)
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| 
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| 	err = suite.Keeper.UnlockERC20Tokens(suite.Ctx, pair, amount, recipient)
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| 	suite.Require().NoError(err)
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| 
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| 	// Check balance of recipient
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| 	bal := suite.GetERC20BalanceOf(
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| 		types.ERC20MintableBurnableContract.ABI,
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| 		pair.GetAddress(),
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| 		recipient,
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| 	)
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| 	suite.Require().Equal(amount, bal, "balance should increase by unlock amount")
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| 
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| 	// Check balance of module account
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| 	bal = suite.GetERC20BalanceOf(
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| 		types.ERC20MintableBurnableContract.ABI,
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| 		pair.GetAddress(),
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| 		moduleAddr,
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| 	)
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| 	suite.Require().Equal(
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| 		// String() due to non-equal struct values for 0
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| 		big.NewInt(0).String(),
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| 		bal.String(),
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| 		"balance should decrease module account by unlock amount",
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| 	)
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| }
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| 
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| func (suite *ConversionTestSuite) TestUnlockERC20Tokens_Insufficient() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	recipient := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key1.PubKey().Address()))
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| 
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| 	// Module account has 0 balance, cannot unlock
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| 	err := suite.Keeper.UnlockERC20Tokens(suite.Ctx, pair, amount, recipient)
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| 	suite.Require().Error(err)
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| 	suite.Require().Contains(err.Error(), "execution reverted: ERC20: transfer amount exceeds balance")
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| }
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| 
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| func (suite *ConversionTestSuite) TestConvertCoinToERC20() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	originAcc := sdk.AccAddress(suite.Key1.PubKey().Address().Bytes())
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| 	recipientAcc := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key2.PubKey().Address()))
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| 	moduleAddr := types.NewInternalEVMAddress(types.ModuleEVMAddress)
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| 
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| 	// Starting balance of origin account
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| 	coin, err := suite.Keeper.MintConversionPairCoin(suite.Ctx, pair, amount, originAcc)
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| 	suite.Require().NoError(err)
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| 	suite.Require().Equal(sdk.NewCoin(pair.Denom, sdkmath.NewIntFromBigInt(amount)), coin)
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| 
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| 	// Mint same initial balance for module account as backing erc20 supply
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| 	err = suite.Keeper.MintERC20(
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| 		suite.Ctx,
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| 		pair.GetAddress(), // contractAddr
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| 		moduleAddr,        //receiver
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| 		amount,
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| 	)
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| 	suite.Require().NoError(err)
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| 
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| 	// convert coin to erc20
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| 	ctx := suite.Ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
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| 	err = suite.Keeper.ConvertCoinToERC20(
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| 		ctx,
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| 		originAcc,
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| 		recipientAcc,
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| 		sdk.NewCoin(pair.Denom, sdkmath.NewIntFromBigInt(amount)),
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| 	)
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| 	suite.Require().NoError(err)
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| 	suite.Require().LessOrEqual(ctx.GasMeter().GasConsumed(), uint64(500000))
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| 	suite.Require().GreaterOrEqual(ctx.GasMeter().GasConsumed(), uint64(50000))
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| 
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| 	// Source should decrease
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| 	bal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, originAcc, pair.Denom)
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| 	suite.Require().Equal(sdk.ZeroInt(), bal.Amount, "conversion should decrease source balance")
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| 
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| 	// Module bal should also decrease
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| 	moduleBal := suite.GetERC20BalanceOf(
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| 		types.ERC20MintableBurnableContract.ABI,
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| 		pair.GetAddress(),
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| 		moduleAddr,
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| 	)
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| 	suite.Require().Equal(
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| 		// String() due to non-equal struct values for 0
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| 		big.NewInt(0).String(),
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| 		moduleBal.String(),
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| 		"balance should decrease module account by unlock amount",
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| 	)
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| 
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| 	// Recipient balance should increase by same amount
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| 	recipientBal := suite.GetERC20BalanceOf(
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| 		types.ERC20MintableBurnableContract.ABI,
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| 		pair.GetAddress(),
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| 		recipientAcc,
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| 	)
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| 	suite.Require().Equal(
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| 		// String() due to non-equal struct values for 0
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| 		amount,
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| 		recipientBal,
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| 		"recipient balance should increase",
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| 	)
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| 
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| 	suite.EventsContains(suite.GetEvents(),
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| 		sdk.NewEvent(
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| 			types.EventTypeConvertCoinToERC20,
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| 			sdk.NewAttribute(types.AttributeKeyInitiator, originAcc.String()),
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| 			sdk.NewAttribute(types.AttributeKeyReceiver, recipientAcc.String()),
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| 			sdk.NewAttribute(types.AttributeKeyERC20Address, pair.GetAddress().String()),
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| 			sdk.NewAttribute(types.AttributeKeyAmount, coin.String()),
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| 		))
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| }
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| 
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| func (suite *ConversionTestSuite) TestConvertCoinToERC20_InsufficientBalance() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	originAcc := sdk.AccAddress(suite.Key1.PubKey().Address().Bytes())
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| 	recipientAcc := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key2.PubKey().Address()))
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| 
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| 	err := suite.Keeper.ConvertCoinToERC20(
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| 		suite.Ctx,
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| 		originAcc,
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| 		recipientAcc,
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| 		sdk.NewCoin(pair.Denom, sdkmath.NewIntFromBigInt(amount)),
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| 	)
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| 
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| 	suite.Require().Error(err)
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| 	suite.Require().Equal("0erc20/usdc is smaller than 100erc20/usdc: insufficient funds", err.Error())
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| }
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| 
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| func (suite *ConversionTestSuite) TestConvertCoinToERC20_NotEnabled() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/notenabled",
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| 	)
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| 
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| 	amount := big.NewInt(100)
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| 	originAcc := sdk.AccAddress(suite.Key1.PubKey().Address().Bytes())
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| 	recipientAcc := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key2.PubKey().Address()))
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| 
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| 	err := suite.Keeper.ConvertCoinToERC20(
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| 		suite.Ctx,
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| 		originAcc,
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| 		recipientAcc,
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| 		sdk.NewCoin(pair.Denom, sdkmath.NewIntFromBigInt(amount)),
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| 	)
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| 
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| 	suite.Require().Error(err)
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| 	suite.Require().Equal("erc20/notenabled: ERC20 token not enabled to convert to sdk.Coin", err.Error())
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| }
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| 
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| func (suite *ConversionTestSuite) TestConvertERC20ToCoin() {
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| 	contractAddr := suite.DeployERC20()
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| 
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	totalAmt := big.NewInt(100)
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| 	userAddr := sdk.AccAddress(suite.Key1.PubKey().Address().Bytes())
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| 	userEvmAddr := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key1.PubKey().Address()))
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| 
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| 	// Mint same initial balance for user account
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| 	err := suite.Keeper.MintERC20(
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| 		suite.Ctx,
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| 		pair.GetAddress(), // contractAddr
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| 		userEvmAddr,       //receiver
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| 		totalAmt,
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| 	)
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| 	suite.Require().NoError(err)
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| 
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| 	ctx := suite.Ctx.WithGasMeter(sdk.NewInfiniteGasMeter())
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| 	convertAmt := sdkmath.NewInt(50)
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| 	err = suite.Keeper.ConvertERC20ToCoin(
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| 		ctx,
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| 		userEvmAddr,
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| 		userAddr,
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| 		pair.GetAddress(),
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| 		convertAmt,
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| 	)
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| 	suite.Require().NoError(err)
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| 	suite.Require().LessOrEqual(ctx.GasMeter().GasConsumed(), uint64(500000))
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| 	suite.Require().GreaterOrEqual(ctx.GasMeter().GasConsumed(), uint64(50000))
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| 
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| 	// bank balance should decrease
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| 	bal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, userAddr, pair.Denom)
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| 	suite.Require().Equal(convertAmt, bal.Amount, "conversion should decrease source balance")
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| 
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| 	// Module bal should also decrease
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| 	userBal := suite.GetERC20BalanceOf(
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| 		types.ERC20MintableBurnableContract.ABI,
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| 		pair.GetAddress(),
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| 		userEvmAddr,
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| 	)
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| 	suite.Require().Equal(
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| 		// String() due to non-equal struct values for 0
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| 		big.NewInt(50).String(),
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| 		userBal.String(),
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| 		"balance should decrease module account by unlock amount",
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| 	)
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| 
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| 	suite.EventsContains(suite.GetEvents(),
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| 		sdk.NewEvent(
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| 			types.EventTypeConvertERC20ToCoin,
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| 			sdk.NewAttribute(types.AttributeKeyERC20Address, pair.GetAddress().String()),
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| 			sdk.NewAttribute(types.AttributeKeyInitiator, userEvmAddr.String()),
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| 			sdk.NewAttribute(types.AttributeKeyReceiver, userAddr.String()),
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| 			sdk.NewAttribute(types.AttributeKeyAmount, sdk.NewCoin(pair.Denom, convertAmt).String()),
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| 		),
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| 	)
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| }
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| 
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| func (suite *ConversionTestSuite) TestConvertERC20ToCoin_EmptyContract() {
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| 	contractAddr := testutil.MustNewInternalEVMAddressFromString("0x15932E26f5BD4923d46a2b205191C4b5d5f43FE3")
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| 	pair := types.NewConversionPair(
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| 		contractAddr,
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| 		"erc20/usdc",
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| 	)
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| 
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| 	userAddr := sdk.AccAddress(suite.Key1.PubKey().Address().Bytes())
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| 	userEvmAddr := types.NewInternalEVMAddress(common.BytesToAddress(suite.Key1.PubKey().Address()))
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| 	convertAmt := sdkmath.NewInt(100)
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| 
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| 	// Trying to convert erc20 from an empty contract should fail
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| 	err := suite.Keeper.ConvertERC20ToCoin(
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| 		suite.Ctx,
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| 		userEvmAddr,
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| 		userAddr,
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| 		pair.GetAddress(),
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| 		convertAmt,
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| 	)
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| 	suite.Require().Error(err)
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| 	suite.Require().ErrorContains(err, "failed to retrieve balance: failed to unpack method balanceOf")
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| 
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| 	// bank balance should not change
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| 	bal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, userAddr, pair.Denom)
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| 	suite.Require().Equal(sdk.ZeroInt(), bal.Amount)
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| }
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