package e2e_test import ( "context" "math/big" "time" sdkerrors "cosmossdk.io/errors" sdk "github.com/cosmos/cosmos-sdk/types" txtypes "github.com/cosmos/cosmos-sdk/types/tx" banktypes "github.com/cosmos/cosmos-sdk/x/bank/types" "github.com/0glabs/0g-chain/app" evmutiltypes "github.com/0glabs/0g-chain/x/evmutil/types" "github.com/0glabs/0g-chain/tests/e2e/contracts/greeter" "github.com/0glabs/0g-chain/tests/util" ) func (suite *IntegrationTestSuite) TestEthCallToGreeterContract() { // this test manipulates state of the Greeter contract which means other tests shouldn't use it. // setup funded account to interact with contract user := suite.Kava.NewFundedAccount("greeter-contract-user", sdk.NewCoins(ukava(1e6))) greeterAddr := suite.Kava.ContractAddrs["greeter"] contract, err := greeter.NewGreeter(greeterAddr, suite.Kava.EvmClient) suite.NoError(err) beforeGreeting, err := contract.Greet(nil) suite.NoError(err) updatedGreeting := "look at me, using the evm" tx, err := contract.SetGreeting(user.EvmAuth, updatedGreeting) suite.NoError(err) _, err = util.WaitForEvmTxReceipt(suite.Kava.EvmClient, tx.Hash(), 10*time.Second) suite.NoError(err) afterGreeting, err := contract.Greet(nil) suite.NoError(err) suite.Equal("what's up!", beforeGreeting) suite.Equal(updatedGreeting, afterGreeting) } func (suite *IntegrationTestSuite) TestEthCallToErc20() { randoReceiver := util.SdkToEvmAddress(app.RandomAddress()) amount := big.NewInt(1) // make unauthenticated eth_call query to check balance beforeBalance := suite.Kava.GetErc20Balance(suite.DeployedErc20.Address, randoReceiver) // make authenticate eth_call to transfer tokens res := suite.FundKavaErc20Balance(randoReceiver, amount) suite.NoError(res.Err) // make another unauthenticated eth_call query to check new balance afterBalance := suite.Kava.GetErc20Balance(suite.DeployedErc20.Address, randoReceiver) suite.BigIntsEqual(big.NewInt(0), beforeBalance, "expected before balance to be zero") suite.BigIntsEqual(amount, afterBalance, "unexpected post-transfer balance") } func (suite *IntegrationTestSuite) TestEip712BasicMessageAuthorization() { // create new funded account sender := suite.Kava.NewFundedAccount("eip712-msgSend", sdk.NewCoins(ukava(2e4))) receiver := app.RandomAddress() // setup message for sending some kava to random receiver msgs := []sdk.Msg{ banktypes.NewMsgSend(sender.SdkAddress, receiver, sdk.NewCoins(ukava(1e3))), } // create tx tx := suite.NewEip712TxBuilder( sender, suite.Kava, 1e6, sdk.NewCoins(ukava(1e4)), msgs, "this is a memo", ).GetTx() txBytes, err := suite.Kava.EncodingConfig.TxConfig.TxEncoder()(tx) suite.NoError(err) // broadcast tx res, err := suite.Kava.Grpc.Query.Tx.BroadcastTx(context.Background(), &txtypes.BroadcastTxRequest{ TxBytes: txBytes, Mode: txtypes.BroadcastMode_BROADCAST_MODE_SYNC, }) suite.NoError(err) suite.Equal(sdkerrors.SuccessABCICode, res.TxResponse.Code) _, err = util.WaitForSdkTxCommit(suite.Kava.Grpc.Query.Tx, res.TxResponse.TxHash, 6*time.Second) suite.NoError(err) // check that the message was processed & the kava is transferred. balRes, err := suite.Kava.Grpc.Query.Bank.Balance(context.Background(), &banktypes.QueryBalanceRequest{ Address: receiver.String(), Denom: "ukava", }) suite.NoError(err) suite.Equal(sdk.NewInt(1e3), balRes.Balance.Amount) } // Note that this test works because the deployed erc20 is configured in evmutil & cdp params. // This test matches the webapp's "USDT Earn" workflow func (suite *IntegrationTestSuite) TestEip712ConvertToCoinAndDepositToLend() { // cdp requires minimum of $11 collateral amount := sdk.NewInt(11e6) // 11 USDT sdkDenom := suite.DeployedErc20.CosmosDenom // create new funded account depositor := suite.Kava.NewFundedAccount("eip712-lend-depositor", sdk.NewCoins(ukava(1e5))) // give them erc20 balance to deposit fundRes := suite.FundKavaErc20Balance(depositor.EvmAddress, amount.BigInt()) suite.NoError(fundRes.Err) // setup messages for convert to coin & deposit into earn convertMsg := evmutiltypes.NewMsgConvertERC20ToCoin( evmutiltypes.NewInternalEVMAddress(depositor.EvmAddress), depositor.SdkAddress, evmutiltypes.NewInternalEVMAddress(suite.DeployedErc20.Address), amount, ) msgs := []sdk.Msg{ // convert to coin &convertMsg, } // create tx tx := suite.NewEip712TxBuilder( depositor, suite.Kava, 1e6, sdk.NewCoins(ukava(1e4)), msgs, "doing the USDT Earn workflow! erc20 -> sdk.Coin -> USDX hard deposit", ).GetTx() txBytes, err := suite.Kava.EncodingConfig.TxConfig.TxEncoder()(tx) suite.NoError(err) // broadcast tx res, err := suite.Kava.Grpc.Query.Tx.BroadcastTx(context.Background(), &txtypes.BroadcastTxRequest{ TxBytes: txBytes, Mode: txtypes.BroadcastMode_BROADCAST_MODE_SYNC, }) suite.NoError(err) suite.Equal(sdkerrors.SuccessABCICode, res.TxResponse.Code) _, err = util.WaitForSdkTxCommit(suite.Kava.Grpc.Query.Tx, res.TxResponse.TxHash, 6*time.Second) suite.Require().NoError(err) // check that depositor no longer has erc20 balance balance := suite.Kava.GetErc20Balance(suite.DeployedErc20.Address, depositor.EvmAddress) suite.BigIntsEqual(big.NewInt(0), balance, "expected no erc20 balance") // withdraw deposit & convert back to erc20 (this allows refund to recover erc20s used in test) convertBack := evmutiltypes.NewMsgConvertCoinToERC20( depositor.SdkAddress.String(), depositor.EvmAddress.Hex(), sdk.NewCoin(sdkDenom, amount), ) withdrawAndConvertBack := util.KavaMsgRequest{ Msgs: []sdk.Msg{&convertBack}, GasLimit: 1e6, FeeAmount: sdk.NewCoins(ukava(1000)), Data: "withdrawing from mint & converting back to erc20", } lastRes := depositor.SignAndBroadcastKavaTx(withdrawAndConvertBack) suite.NoError(lastRes.Err) balance = suite.Kava.GetErc20Balance(suite.DeployedErc20.Address, depositor.EvmAddress) suite.BigIntsEqual(amount.BigInt(), balance, "expected returned erc20 balance") }