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feat: simulate bundle #23

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merged 1 commit into from
Feb 22, 2024
Merged

feat: simulate bundle #23

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6 changes: 6 additions & 0 deletions pkg/mev/blxr_bundle_sender.go
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,12 @@ func (s *BloxrouteClient) CancelBundle(
return nil
}

func (s *BloxrouteClient) SimulateBundle(
_ context.Context, _ uint64, _ ...*types.Transaction,
) (SendBundleResponse, error) {
return SendBundleResponse{}, fmt.Errorf("method not support")
}

type BLXRSubmitBundleRequest struct {
ID string `json:"id,omitempty"`
Method string `json:"method,omitempty"`
Expand Down
13 changes: 10 additions & 3 deletions pkg/mev/bundle_sender.go
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Original file line number Diff line number Diff line change
Expand Up @@ -47,14 +47,14 @@ func (s *Client) SendBundle(
blockNumber uint64,
txs ...*types.Transaction,
) (SendBundleResponse, error) {
return s.sendBundle(ctx, uuid, blockNumber, txs...)
return s.sendBundle(ctx, ETHSendBundleMethod, uuid, blockNumber, txs...)
}

func (s *Client) CancelBundle(
ctx context.Context, bundleUUID string,
) error {
if s.cancelBySendBundle {
if _, err := s.sendBundle(ctx, &bundleUUID, 0); err != nil {
if _, err := s.sendBundle(ctx, ETHSendBundleMethod, &bundleUUID, 0); err != nil {
return fmt.Errorf("cancel by send bundle error: %w", err)
}
return nil
Expand Down Expand Up @@ -120,16 +120,23 @@ func (s *Client) CancelBundle(
return nil
}

func (s *Client) SimulateBundle(
ctx context.Context, blockNumber uint64, txs ...*types.Transaction,
) (SendBundleResponse, error) {
return s.sendBundle(ctx, EthCallBundleMethod, nil, blockNumber, txs...)
}

func (s *Client) sendBundle(
ctx context.Context,
method string,
uuid *string,
blockNumber uint64,
txs ...*types.Transaction,
) (SendBundleResponse, error) {
req := SendBundleRequest{
ID: SendBundleID,
JSONRPC: JSONRPC2,
Method: ETHSendBundleMethod,
Method: method,
}
p := new(SendBundleParams).SetBlockNumber(blockNumber).SetTransactions(txs...)
if uuid != nil {
Expand Down
48 changes: 48 additions & 0 deletions pkg/mev/bundle_sender_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -9,10 +9,12 @@ import (

"github.com/KyberNetwork/tradinglib/pkg/convert"
"github.com/KyberNetwork/tradinglib/pkg/mev"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)

Expand Down Expand Up @@ -91,3 +93,49 @@ func TestCancelBeaver(t *testing.T) {

require.NoError(t, sender.CancelBundle(ctx, bundleUUID))
}

func Test_UnmarshalSimulationResponse(t *testing.T) {
response := "{\n \"jsonrpc\": \"2.0\",\n \"id\": 1,\n \"result\": {\n \"bundleGasPrice\": \"1\",\n \"bundleHash\": \"0x4753e95178e232c1cd0436acbb2340d9fe3442331c4650379fb436c7ee8c8489\",\n \"coinbaseDiff\": \"63000\",\n \"ethSentToCoinbase\": \"0\",\n \"gasFees\": \"63000\",\n \"results\": [\n {\n \"coinbaseDiff\": \"21000\",\n \"ethSentToCoinbase\": \"0\",\n \"fromAddress\": \"0xf84bB4749ef5745258812243B65d6Ec06B52Cc4f\",\n \"gasFees\": \"21000\",\n \"gasPrice\": \"1\",\n \"gasUsed\": 21000,\n \"toAddress\": \"0x4592D8f8D7B001e72Cb26A73e4Fa1806a51aC79d\",\n \"txHash\": \"0x31c0d14c4cf1dceaecad2b028472490fc7ed5a3b7f6cdcb78fa26673448b5665\",\n \"value\": \"0x\"\n },\n {\n \"coinbaseDiff\": \"21000\",\n \"ethSentToCoinbase\": \"0\",\n \"fromAddress\": \"0xf84bB4749ef5745258812243B65d6Ec06B52Cc4f\",\n \"gasFees\": \"21000\",\n \"gasPrice\": \"1\",\n \"gasUsed\": 21000,\n \"toAddress\": \"0x4592D8f8D7B001e72Cb26A73e4Fa1806a51aC79d\",\n \"txHash\": \"0xe7e261a582b11be10ded10262e98a938230ecae1adc155e23d5cc805021d10f4\",\n \"value\": \"0x\"\n },\n {\n \"coinbaseDiff\": \"21000\",\n \"ethSentToCoinbase\": \"0\",\n \"fromAddress\": \"0xf84bB4749ef5745258812243B65d6Ec06B52Cc4f\",\n \"gasFees\": \"21000\",\n \"gasPrice\": \"1\",\n \"gasUsed\": 21000,\n \"toAddress\": \"0x4592D8f8D7B001e72Cb26A73e4Fa1806a51aC79d\",\n \"txHash\": \"0x7ad464764e279a1849f517c83c459b0088b454f0928f61d0c3882ce09483e2d1\",\n \"value\": \"0x\"\n }\n ],\n \"stateBlockNumber\": 1,\n \"totalGasUsed\": 63000\n }\n}" // nolint:lll
var submitResponse mev.SendBundleResponse

require.NoError(t, json.Unmarshal([]byte(response), &submitResponse))

t.Logf("%+v", submitResponse)
}

func Test_SimulateBundle(t *testing.T) {
t.Skip()
rawTxs := []string{
"0xf868808502540be400825208944592d8f8d7b001e72cb26a73e4fa1806a51ac79d82271080820a96a017691fd52972f52132d2db29c305afd89f50924b0cbc6e875ec8c6bcca14d287a015db7d1ab52dd19e40e7fe91018df63df9d5c5a5e21541dc2c8548a5ae9cee37", // nolint:lll
"0xf868018502540be400825208944592d8f8d7b001e72cb26a73e4fa1806a51ac79d82271080820a96a0aba458c7c6d1feac6c414c8f8cf562251609a2fb6710fcfce0c7783b106e5f41a00c0e780a9ea923e177dcc52aa143887ec21c9697f305a54f41b648f733e98d3e", // nolint:lll
"0xf868028502540be400825208944592d8f8d7b001e72cb26a73e4fa1806a51ac79d82271080820a95a05ddce4890eac66bfb20eba1493d12093c7551f1f5269a31487c718ee0ea2d12ca02ca061024dfad8d35cce7233eb3f75cdfc57ea80547f49ed887c1f257f4db719", // nolint:lll
}

blockNumber := 1

txs := make([]*types.Transaction, 0, len(rawTxs))
for _, rawTx := range rawTxs {
var tx types.Transaction
b, err := hexutil.Decode(rawTx)
require.NoError(t, err)
err = tx.UnmarshalBinary(b)
require.NoError(t, err)
txs = append(txs, &tx)
}

var (
simulationEndpoint = "http://localhost:8545"
client = mev.NewClient(http.DefaultClient, simulationEndpoint, nil, false, mev.BundleSenderTypeFlashbot)
)

simulationResponse, err := client.SimulateBundle(context.Background(), uint64(blockNumber), txs...)
require.NoError(t, err)

assert.Equal(t, "", simulationResponse.Error.Messange)
assert.Equal(t, 0, simulationResponse.Error.Code)
assert.Equal(
t,
"0x99872010193b755b7dfad328508c751173521ee9b5349eab111b33096bf9e19a",
simulationResponse.Result.BundleHash,
)
}
13 changes: 8 additions & 5 deletions pkg/mev/pkg.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,11 +22,13 @@ const (
)

const (
JSONRPC2 = "2.0"
SendBundleID = 1
BloxrouteSubmitBundleMethod = "blxr_submit_bundle"
ETHSendBundleMethod = "eth_sendBundle"
ETHCancelBundleMethod = "eth_cancelBundle"
JSONRPC2 = "2.0"
SendBundleID = 1
BloxrouteSubmitBundleMethod = "blxr_submit_bundle"
BloxrouteSimulationBundleMethod = "blxr_simulate_bundle"
ETHSendBundleMethod = "eth_sendBundle"
EthCallBundleMethod = "eth_callBundle"
ETHCancelBundleMethod = "eth_cancelBundle"
)

type IBundleSender interface {
Expand All @@ -39,6 +41,7 @@ type IBundleSender interface {
CancelBundle(
ctx context.Context, bundleUUID string,
) error
SimulateBundle(ctx context.Context, blockNumber uint64, txs ...*types.Transaction) (SendBundleResponse, error)
}

var (
Expand Down
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