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test_crosschain_swap.go
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test_crosschain_swap.go
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package e2etests
import (
"math/big"
"time"
"github.com/btcsuite/btcd/chaincfg/chainhash"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
ethtypes "github.com/ethereum/go-ethereum/core/types"
"github.com/stretchr/testify/require"
"github.com/zeta-chain/zetacore/e2e/runner"
"github.com/zeta-chain/zetacore/e2e/utils"
"github.com/zeta-chain/zetacore/x/crosschain/types"
)
func TestCrosschainSwap(r *runner.E2ERunner, _ []string) {
r.ZEVMAuth.GasLimit = 10000000
// TODO: move into setup and skip it if already initialized
// https://github.com/zeta-chain/node-private/issues/88
// it is kept as is for now to be consistent with the old implementation
// if the tx fails due to already initialized, it will be ignored
_, err := r.UniswapV2Factory.CreatePair(r.ZEVMAuth, r.ERC20ZRC20Addr, r.BTCZRC20Addr)
if err != nil {
r.Logger.Print("ℹ️create pair error")
}
txERC20ZRC20Approve, err := r.ERC20ZRC20.Approve(r.ZEVMAuth, r.UniswapV2RouterAddr, big.NewInt(1e18))
require.NoError(r, err)
txBTCApprove, err := r.BTCZRC20.Approve(r.ZEVMAuth, r.UniswapV2RouterAddr, big.NewInt(1e18))
require.NoError(r, err)
// Fund ZEVMSwapApp with gas ZRC20s
txTransferETH, err := r.ETHZRC20.Transfer(r.ZEVMAuth, r.ZEVMSwapAppAddr, big.NewInt(1e7))
require.NoError(r, err)
txTransferBTC, err := r.BTCZRC20.Transfer(r.ZEVMAuth, r.ZEVMSwapAppAddr, big.NewInt(1e6))
require.NoError(r, err)
ensureTxReceipt := func(tx *ethtypes.Transaction, failMessage string) {
receipt := utils.MustWaitForTxReceipt(r.Ctx, r.ZEVMClient, tx, r.Logger, r.ReceiptTimeout)
utils.RequireTxSuccessful(r, receipt, failMessage)
}
ensureTxReceipt(txERC20ZRC20Approve, "ZRC20 ERC20 approve failed")
ensureTxReceipt(txBTCApprove, "BTC approve failed")
ensureTxReceipt(txTransferETH, "ETH ZRC20 transfer failed")
ensureTxReceipt(txTransferBTC, "BTC ZRC20 transfer failed")
// Add 100 erc20 zrc20 liq and 0.001 BTC
txAddLiquidity, err := r.UniswapV2Router.AddLiquidity(
r.ZEVMAuth,
r.ERC20ZRC20Addr,
r.BTCZRC20Addr,
big.NewInt(1e8),
big.NewInt(1e8),
big.NewInt(1e8),
big.NewInt(1e5),
r.EVMAddress(),
big.NewInt(time.Now().Add(10*time.Minute).Unix()),
)
require.NoError(r, err)
ensureTxReceipt(txAddLiquidity, "add liq failed")
// msg would be [ZEVMSwapAppAddr, memobytes]
// memobytes is dApp specific; see the contracts/ZEVMSwapApp.sol for details
msg := []byte{}
msg = append(msg, r.ZEVMSwapAppAddr.Bytes()...)
memobytes, err := r.ZEVMSwapApp.EncodeMemo(
&bind.CallOpts{},
r.BTCZRC20Addr,
[]byte(r.BTCDeployerAddress.EncodeAddress()),
)
require.NoError(r, err)
r.Logger.Info("memobytes(%d) %x", len(memobytes), memobytes)
msg = append(msg, memobytes...)
r.Logger.Info("***** First test: ERC20 -> BTC")
// Should deposit ERC20 for swap, swap for BTC and withdraw BTC
txHash := r.DepositERC20WithAmountAndMessage(r.EVMAddress(), big.NewInt(8e7), msg)
cctx1 := utils.WaitCctxMinedByInboundHash(r.Ctx, txHash.Hex(), r.CctxClient, r.Logger, r.CctxTimeout)
// check the cctx status
utils.RequireCCTXStatus(r, cctx1, types.CctxStatus_OutboundMined)
// mine 10 blocks to confirm the outbound tx
_, err = r.GenerateToAddressIfLocalBitcoin(10, r.BTCDeployerAddress)
require.NoError(r, err)
// mine blocks if testing on regnet
stop := r.MineBlocksIfLocalBitcoin()
defer stop()
// cctx1 index acts like the inboundHash for the second cctx (the one that withdraws BTC)
cctx2 := utils.WaitCctxMinedByInboundHash(r.Ctx, cctx1.Index, r.CctxClient, r.Logger, r.CctxTimeout)
// check the cctx status
utils.RequireCCTXStatus(r, cctx2, types.CctxStatus_OutboundMined)
r.Logger.Info("cctx2 outbound tx hash %s", cctx2.GetCurrentOutboundParam().Hash)
r.Logger.Info("******* Second test: BTC -> ERC20ZRC20")
// list deployer utxos
utxos, err := r.ListDeployerUTXOs()
require.NoError(r, err)
r.Logger.Info("#utxos %d", len(utxos))
r.Logger.Info("memo address %s", r.ERC20ZRC20Addr)
memo, err := r.ZEVMSwapApp.EncodeMemo(&bind.CallOpts{}, r.ERC20ZRC20Addr, r.EVMAddress().Bytes())
require.NoError(r, err)
memo = append(r.ZEVMSwapAppAddr.Bytes(), memo...)
r.Logger.Info("memo length %d", len(memo))
txID, err := r.SendToTSSFromDeployerWithMemo(0.01, utxos[0:1], memo)
require.NoError(r, err)
cctx3 := utils.WaitCctxMinedByInboundHash(r.Ctx, txID.String(), r.CctxClient, r.Logger, r.CctxTimeout)
utils.RequireCCTXStatus(r, cctx3, types.CctxStatus_OutboundMined)
r.Logger.Info("cctx3 index %s", cctx3.Index)
r.Logger.Info(" inbound tx hash %s", cctx3.InboundParams.ObservedHash)
r.Logger.Info(" status %s", cctx3.CctxStatus.Status.String())
r.Logger.Info(" status msg: %s", cctx3.CctxStatus.StatusMessage)
cctx4 := utils.WaitCctxMinedByInboundHash(r.Ctx, cctx3.Index, r.CctxClient, r.Logger, r.CctxTimeout)
utils.RequireCCTXStatus(r, cctx4, types.CctxStatus_OutboundMined)
r.Logger.Info("cctx4 index %s", cctx4.Index)
r.Logger.Info(" outbound tx hash %s", cctx4.GetCurrentOutboundParam().Hash)
r.Logger.Info(" status %s", cctx4.CctxStatus.Status.String())
{
r.Logger.Info("******* Third test: BTC -> ETH with contract call reverted; should refund BTC")
// the following memo will result in a revert in the contract call as targetZRC20 is set to DeployerAddress
// which is apparently not a ZRC20 contract; the UNISWAP call will revert
memo, err := r.ZEVMSwapApp.EncodeMemo(&bind.CallOpts{}, r.EVMAddress(), r.EVMAddress().Bytes())
require.NoError(r, err)
memo = append(r.ZEVMSwapAppAddr.Bytes(), memo...)
r.Logger.Info("memo length %d", len(memo))
amount := 0.1
txid, err := r.SendToTSSFromDeployerWithMemo(amount, utxos[1:2], memo)
require.NoError(r, err)
cctx := utils.WaitCctxMinedByInboundHash(r.Ctx, txid.String(), r.CctxClient, r.Logger, r.CctxTimeout)
r.Logger.Info("cctx3 index %s", cctx.Index)
r.Logger.Info(" inbound tx hash %s", cctx.InboundParams.ObservedHash)
r.Logger.Info(" status %s", cctx.CctxStatus.Status.String())
r.Logger.Info(" status msg: %s", cctx.CctxStatus.StatusMessage)
utils.RequireCCTXStatus(r, cctx, types.CctxStatus_Reverted)
outboundHash, err := chainhash.NewHashFromStr(cctx.GetCurrentOutboundParam().Hash)
require.NoError(r, err)
txraw, err := r.BtcRPCClient.GetRawTransactionVerbose(outboundHash)
require.NoError(r, err)
r.Logger.Info("out txid %s", txraw.Txid)
for _, vout := range txraw.Vout {
r.Logger.Info(" vout %d", vout.N)
r.Logger.Info(" value %f", vout.Value)
r.Logger.Info(" scriptPubKey %s", vout.ScriptPubKey.Hex)
r.Logger.Info(" p2wpkh address: %s", utils.ScriptPKToAddress(vout.ScriptPubKey.Hex, r.BitcoinParams))
}
}
}