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/kava-labs/kava/app" earntypes "github.com/kava-labs/kava/x/earn/types" evmutiltypes "github.com/kava-labs/kava/x/evmutil/types" "github.com/kava-labs/kava/tests/e2e/contracts/greeter" "github.com/kava-labs/kava/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(10e6))) 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(1e6) // make unauthenticated eth_call query to check balance beforeBalance := suite.Kava.GetErc20Balance(suite.DeployedErc20Address, 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.DeployedErc20Address, 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(10e6))) receiver := app.RandomAddress() // setup message for sending 1KAVA to random receiver msgs := []sdk.Msg{ banktypes.NewMsgSend(sender.SdkAddress, receiver, sdk.NewCoins(ukava(1e6))), } // 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.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.Tx, res.TxResponse.TxHash, 6*time.Second) suite.NoError(err) // check that the message was processed & the kava is transferred. balRes, err := suite.Kava.Bank.Balance(context.Background(), &banktypes.QueryBalanceRequest{ Address: receiver.String(), Denom: "ukava", }) suite.NoError(err) suite.Equal(sdk.NewInt(1e6), balRes.Balance.Amount) } // Note that this test works because the deployed erc20 is configured in evmutil & earn params. func (suite *IntegrationTestSuite) TestEip712ConvertToCoinAndDepositToEarn() { amount := sdk.NewInt(10e6) // 10 USDC sdkDenom := "erc20/multichain/usdc" // create new funded account depositor := suite.Kava.NewFundedAccount("eip712-earn-depositor", sdk.NewCoins(ukava(1e6))) // 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.DeployedErc20Address), amount, ) depositMsg := earntypes.NewMsgDeposit( depositor.SdkAddress.String(), sdk.NewCoin(sdkDenom, amount), earntypes.STRATEGY_TYPE_SAVINGS, ) msgs := []sdk.Msg{ // convert to coin &convertMsg, // deposit into earn depositMsg, } // create tx tx := suite.NewEip712TxBuilder( depositor, suite.Kava, 1e6, sdk.NewCoins(ukava(1e4)), msgs, "depositing my USDC into Earn!", ).GetTx() txBytes, err := suite.Kava.EncodingConfig.TxConfig.TxEncoder()(tx) suite.NoError(err) // broadcast tx res, err := suite.Kava.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.Tx, res.TxResponse.TxHash, 6*time.Second) suite.NoError(err) // check that depositor no longer has erc20 balance balance := suite.Kava.GetErc20Balance(suite.DeployedErc20Address, depositor.EvmAddress) suite.BigIntsEqual(big.NewInt(0), balance, "expected no erc20 balance") // check that account has an earn deposit position earnRes, err := suite.Kava.Earn.Deposits(context.Background(), &earntypes.QueryDepositsRequest{ Depositor: depositor.SdkAddress.String(), Denom: sdkDenom, }) suite.NoError(err) suite.Len(earnRes.Deposits, 1) suite.Equal(sdk.NewDecFromInt(amount), earnRes.Deposits[0].Shares.AmountOf(sdkDenom)) }