2023-04-03 16:58:45 +00:00
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package testutil
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2023-04-06 17:51:13 +00:00
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import (
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"context"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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ethtypes "github.com/ethereum/go-ethereum/core/types"
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"github.com/kava-labs/kava/tests/e2e/contracts/greeter"
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"github.com/kava-labs/kava/tests/util"
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2023-06-26 22:03:51 +00:00
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"github.com/kava-labs/kava/x/earn/types"
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evmutiltypes "github.com/kava-labs/kava/x/evmutil/types"
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2023-04-06 17:51:13 +00:00
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)
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2023-04-03 16:58:45 +00:00
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// InitKavaEvmData is run after the chain is running, but before the tests are run.
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// It is used to initialize some EVM state, such as deploying contracts.
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func (suite *E2eTestSuite) InitKavaEvmData() {
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whale := suite.Kava.GetAccount(FundedAccountName)
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2023-04-06 17:51:13 +00:00
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// ensure funded account has nonzero erc20 balance
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2023-06-26 22:03:51 +00:00
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balance := suite.Kava.GetErc20Balance(suite.DeployedErc20.Address, whale.EvmAddress)
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2023-04-06 17:51:13 +00:00
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if balance.Cmp(big.NewInt(0)) != 1 {
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panic(fmt.Sprintf("expected funded account (%s) to have erc20 balance", whale.EvmAddress.Hex()))
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}
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2023-06-26 22:03:51 +00:00
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// expect the erc20 to be enabled for conversion to sdk.Coin
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params, err := suite.Kava.Evmutil.Params(context.Background(), &evmutiltypes.QueryParamsRequest{})
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if err != nil {
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panic(fmt.Sprintf("failed to fetch evmutil params during init: %s", err))
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}
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found := false
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erc20Addr := suite.DeployedErc20.Address.Hex()
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for _, p := range params.Params.EnabledConversionPairs {
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if common.BytesToAddress(p.KavaERC20Address).Hex() == erc20Addr {
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found = true
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suite.DeployedErc20.CosmosDenom = p.Denom
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}
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}
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if !found {
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panic(fmt.Sprintf("erc20 %s must be enabled for conversion to cosmos coin", erc20Addr))
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}
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// expect the erc20's cosmos denom to be a supported earn vault
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_, err = suite.Kava.Earn.Vault(
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context.Background(),
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types.NewQueryVaultRequest(suite.DeployedErc20.CosmosDenom),
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)
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if err != nil {
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panic(fmt.Sprintf("failed to find earn vault with denom %s: %s", suite.DeployedErc20.CosmosDenom, err))
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}
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2023-04-03 16:58:45 +00:00
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// deploy an example contract
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greeterAddr, _, _, err := greeter.DeployGreeter(
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whale.evmSigner.Auth,
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whale.evmSigner.EvmClient,
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"what's up!",
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)
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2023-04-04 21:22:18 +00:00
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suite.NoError(err, "failed to deploy a contract to the EVM")
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2023-04-03 16:58:45 +00:00
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suite.Kava.ContractAddrs["greeter"] = greeterAddr
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}
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2023-04-06 17:51:13 +00:00
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2023-06-26 22:03:51 +00:00
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// FundKavaErc20Balance sends the pre-deployed ERC20 token to the `toAddress`.
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2023-04-06 17:51:13 +00:00
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func (suite *E2eTestSuite) FundKavaErc20Balance(toAddress common.Address, amount *big.Int) EvmTxResponse {
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// funded account should have erc20 balance
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whale := suite.Kava.GetAccount(FundedAccountName)
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2023-06-06 16:40:17 +00:00
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data := util.BuildErc20TransferCallData(toAddress, amount)
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2023-04-06 17:51:13 +00:00
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nonce, err := suite.Kava.EvmClient.PendingNonceAt(context.Background(), whale.EvmAddress)
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suite.NoError(err)
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req := util.EvmTxRequest{
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2023-06-26 22:03:51 +00:00
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Tx: ethtypes.NewTransaction(nonce, suite.DeployedErc20.Address, big.NewInt(0), 1e5, big.NewInt(1e10), data),
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2023-04-06 17:51:13 +00:00
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Data: fmt.Sprintf("fund %s with ERC20 balance (%s)", toAddress.Hex(), amount.String()),
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}
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return whale.SignAndBroadcastEvmTx(req)
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}
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