diff --git a/go.mod b/go.mod index ffd2fcb..73056a8 100644 --- a/go.mod +++ b/go.mod @@ -10,11 +10,35 @@ require ( ) require ( + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/StackExchange/wmi v1.2.1 // indirect + github.com/bits-and-blooms/bitset v1.5.0 // indirect + github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect + github.com/consensys/bavard v0.1.13 // indirect + github.com/consensys/gnark-crypto v0.10.0 // indirect + github.com/crate-crypto/go-kzg-4844 v0.3.0 // indirect github.com/davecgh/go-spew v1.1.1 // indirect + github.com/deckarep/golang-set/v2 v2.1.0 // indirect + github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect + github.com/ethereum/c-kzg-4844 v0.3.1 // indirect + github.com/go-ole/go-ole v1.2.5 // indirect + github.com/go-stack/stack v1.8.1 // indirect + github.com/gorilla/websocket v1.4.2 // indirect + github.com/holiman/uint256 v1.2.3 // indirect + github.com/mmcloughlin/addchain v0.4.0 // indirect github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect + github.com/supranational/blst v0.3.11 // indirect + github.com/tklauser/go-sysconf v0.3.12 // indirect + github.com/tklauser/numcpus v0.6.1 // indirect go.uber.org/atomic v1.7.0 // indirect go.uber.org/multierr v1.9.0 // indirect golang.org/x/crypto v0.13.0 // indirect + golang.org/x/exp v0.0.0-20230810033253-352e893a4cad // indirect + golang.org/x/mod v0.11.0 // indirect + golang.org/x/sync v0.3.0 // indirect golang.org/x/sys v0.12.0 // indirect + golang.org/x/tools v0.9.1 // indirect gopkg.in/yaml.v3 v3.0.1 // indirect + rsc.io/tmplfunc v0.0.3 // indirect ) diff --git a/go.sum b/go.sum index 20fa6ff..68a819d 100644 --- a/go.sum +++ b/go.sum @@ -1,20 +1,142 @@ +github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ= +github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo= +github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow= +github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM= +github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA= +github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8= +github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o= +github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw= +github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= +github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= +github.com/bits-and-blooms/bitset v1.5.0 h1:NpE8frKRLGHIcEzkR+gZhiioW1+WbYV6fKwD6ZIpQT8= +github.com/bits-and-blooms/bitset v1.5.0/go.mod h1:gIdJ4wp64HaoK2YrL1Q5/N7Y16edYb8uY+O0FJTyyDA= +github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k= +github.com/btcsuite/btcd/btcec/v2 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v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU= +rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA= diff --git a/pkg/mev/bloxroute_submit_bundle.go b/pkg/mev/bloxroute_submit_bundle.go new file mode 100644 index 0000000..0454ac8 --- /dev/null +++ b/pkg/mev/bloxroute_submit_bundle.go @@ -0,0 +1,194 @@ +package mev + +import ( + "bytes" + "context" + "crypto/ecdsa" + "encoding/json" + "fmt" + "net/http" + "strconv" + + "github.com/ethereum/go-ethereum/common/hexutil" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" +) + +type Builder string + +const ( + BuilderBloxroute Builder = "bloxroute" + BuilderFlashbot Builder = "flashbots" + BuilderBeaverBuild Builder = "beaverbuild" + BuilderRsyncBuilder Builder = "rsync-builder" + BuilderAll Builder = "all" +) + +// BloxrouteSubmitBundle https://docs.bloxroute.com/apis/mev-solution/bundle-submission +func BloxrouteSubmitBundle( // nolint: cyclop + ctx context.Context, c *http.Client, auth, endpoint string, + param *BLXRSubmitBundleParams, options ...BloxrouteSubmitBundleOption, +) (SendBundleResponse, error) { + var opts blxrSubmitBundleOptions + for _, fn := range options { + if fn == nil { + continue + } + fn(&opts) + } + + mevBuilders := make(map[Builder]string) + if opts.builderBloxroute { + mevBuilders[BuilderBloxroute] = "" + } + if opts.builderFlashbot != nil { + sig, err := bloxrouteSignFlashbot(opts.builderFlashbot, param) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("sign flashbot error: %w", err) + } + mevBuilders[BuilderFlashbot] = sig + } + if opts.builderBeaverBuild { + mevBuilders[BuilderBeaverBuild] = "" + } + if opts.builderRsyncBuilder { + mevBuilders[BuilderRsyncBuilder] = "" + } + if opts.builderAll { + mevBuilders[BuilderAll] = "" + } + param.MevBuilders = mevBuilders + + req := BLXRSubmitBundleRequest{ + ID: strconv.Itoa(SendBundleID), + Method: BloxrouteSubmitBundleMethod, + Params: param, + } + reqBody, err := json.Marshal(req) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("marshal json error: %w", err) + } + httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewBuffer(reqBody)) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("new http request error: %w", err) + } + httpReq.Header.Add("Authorization", auth) + httpReq.Header.Add("Content-Type", "application/json") + httpReq.Header.Add("Accept", "application/json") + + resp, err := doRequest[SendBundleResponse](c, httpReq) + if err != nil { + return SendBundleResponse{}, err + } + + if len(resp.Error.Messange) != 0 { + return SendBundleResponse{}, fmt.Errorf("response error, code: [%d], message: [%s]", + resp.Error.Code, resp.Error.Messange) + } + + return resp, nil +} + +type blxrSubmitBundleOptions struct { + builderBloxroute bool + builderFlashbot *ecdsa.PrivateKey + builderBeaverBuild bool + builderRsyncBuilder bool + builderAll bool +} + +type BloxrouteSubmitBundleOption func(*blxrSubmitBundleOptions) + +func WithBuilderBloxroute() BloxrouteSubmitBundleOption { + return func(bsbo *blxrSubmitBundleOptions) { + bsbo.builderBloxroute = true + } +} + +func WithBuilderFlashbot(key *ecdsa.PrivateKey) BloxrouteSubmitBundleOption { + return func(bsbo *blxrSubmitBundleOptions) { + bsbo.builderFlashbot = key + } +} + +func WithBuilderBeaverBuild() BloxrouteSubmitBundleOption { + return func(bsbo *blxrSubmitBundleOptions) { + bsbo.builderBeaverBuild = true + } +} + +func WithBuilderRsyncBuilder() BloxrouteSubmitBundleOption { + return func(bsbo *blxrSubmitBundleOptions) { + bsbo.builderRsyncBuilder = true + } +} + +// WithBuilderAll still need to use the WithBuilderFlashbot to submit to flashbots. +func WithBuilderAll() BloxrouteSubmitBundleOption { + return func(bsbo *blxrSubmitBundleOptions) { + bsbo.builderAll = true + } +} + +type BLXRSubmitBundleRequest struct { + ID string `json:"id,omitempty"` + Method string `json:"method,omitempty"` + Params *BLXRSubmitBundleParams `json:"params,omitempty"` +} + +type BLXRSubmitBundleParams struct { + Transaction []string `json:"transaction,omitempty"` + BlockNumber string `json:"block_number,omitempty"` + MinTimestamp *uint64 `json:"min_timestamp,omitempty"` + MaxTimestamp *uint64 `json:"max_timestamp,omitempty"` + RevertingHashes *[]string `json:"reverting_hashes,omitempty"` + UUID string `json:"uuid,omitempty"` + MevBuilders map[Builder]string `json:"mev_builders,omitempty"` +} + +func (p *BLXRSubmitBundleParams) SetTransactions(txs ...*types.Transaction) *BLXRSubmitBundleParams { + transactions := make([]string, 0, len(txs)) + for _, tx := range txs { + transactions = append(transactions, "0x"+txToRlp(tx)) + } + + p.Transaction = transactions + + return p +} + +func (p *BLXRSubmitBundleParams) SetBlockNumber(block uint64) *BLXRSubmitBundleParams { + p.BlockNumber = fmt.Sprintf("0x%x", block) + + return p +} + +func bloxrouteSignFlashbot(key *ecdsa.PrivateKey, p *BLXRSubmitBundleParams) (string, error) { + param := new(SendBundleParams) + param.Txs = p.Transaction + param.BlockNumber = p.BlockNumber + param.MinTimestamp = p.MinTimestamp + param.MaxTimestamp = p.MaxTimestamp + param.RevertingTxs = p.RevertingHashes + + req := SendBundleRequest{ + ID: SendBundleID, + JSONRPC: JSONRPC2, + Method: ETHSendBundleMethod, + } + req.Params = append(req.Params, param) + + reqBody, err := json.Marshal(req) + if err != nil { + return "", fmt.Errorf("marshal json error: %w", err) + } + + signature, err := signRequest(key, reqBody) + if err != nil { + return "", fmt.Errorf("sign request error: %w", err) + } + + sig := fmt.Sprintf("%s:%s", crypto.PubkeyToAddress(key.PublicKey), hexutil.Encode(signature)) + + return sig, nil +} diff --git a/pkg/mev/pkg.go b/pkg/mev/pkg.go new file mode 100644 index 0000000..15ed1aa --- /dev/null +++ b/pkg/mev/pkg.go @@ -0,0 +1,89 @@ +package mev + +import ( + "bytes" + "encoding/hex" + "encoding/json" + "fmt" + "io" + "net/http" + + "github.com/ethereum/go-ethereum/core/types" +) + +const ( + JSONRPC2 = "2.0" + SendBundleID = 1 + BloxrouteSubmitBundleMethod = "blxr_submit_bundle" + ETHSendBundleMethod = "eth_sendBundle" +) + +func txToRlp(tx *types.Transaction) string { + var buff bytes.Buffer + _ = tx.EncodeRLP(&buff) + + rlp := hex.EncodeToString(buff.Bytes()) + + if rlp[:2] == "b9" { + rlp = rlp[6:] + } else if rlp[:2] == "b8" { + rlp = rlp[4:] + } + + return rlp +} + +func doRequest[T any](c *http.Client, req *http.Request) (T, error) { + var t T + + httpResp, err := c.Do(req) + if err != nil { + return t, fmt.Errorf("do request error: %w", err) + } + defer httpResp.Body.Close() + + respBody, err := io.ReadAll(httpResp.Body) + if err != nil { + return t, fmt.Errorf("read response error: %w", err) + } + + if httpResp.StatusCode != http.StatusOK { + return t, fmt.Errorf("not OK status, status: [%d], data: [%s]", + httpResp.StatusCode, string(respBody)) + } + + if err := json.Unmarshal(respBody, &t); err != nil { + return t, fmt.Errorf("unmarshal response error: %w, data: [%s]", err, string(respBody)) + } + + return t, nil +} + +type SendBundleResponse struct { + Jsonrpc string `json:"jsonrpc,omitempty"` + ID int `json:"id,omitempty"` + Result SendBundleResult `json:"result,omitempty"` + Error SendBundbleError `json:"error,omitempty"` +} + +type SendBundbleError struct { + Code int `json:"code,omitempty"` + Messange string `json:"message,omitempty"` +} + +type SendBundleResult struct { + BundleGasPrice string `json:"bundleGasPrice,omitempty"` + BundleHash string `json:"bundleHash,omitempty"` + CoinbaseDiff string `json:"coinbaseDiff,omitempty"` + EthSentToCoinbase string `json:"ethSentToCoinbase,omitempty"` + GasFees string `json:"gasFees,omitempty"` + Results []SendBundleResults `json:"results,omitempty"` + StateBlockNumber int `json:"stateBlockNumber,omitempty"` + TotalGasUsed int `json:"totalGasUsed,omitempty"` +} + +type SendBundleResults struct { + GasUsed int `json:"gasUsed,omitempty"` + TxHash string `json:"txHash,omitempty"` + Value string `json:"value,omitempty"` +} diff --git a/pkg/mev/send_bundle.go b/pkg/mev/send_bundle.go new file mode 100644 index 0000000..b2194ef --- /dev/null +++ b/pkg/mev/send_bundle.go @@ -0,0 +1,138 @@ +package mev + +import ( + "bytes" + "context" + "crypto/ecdsa" + "encoding/json" + "fmt" + "net/http" + + "github.com/ethereum/go-ethereum/accounts" + "github.com/ethereum/go-ethereum/common/hexutil" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" +) + +// SendBundle https://docs.flashbots.net/flashbots-auction/advanced/rpc-endpoint#eth_sendbundle, +// https://beaverbuild.org/docs.html, https://rsync-builder.xyz/docs +func SendBundle( // nolint: cyclop + ctx context.Context, c *http.Client, endpoint string, param *SendBundleParams, options ...SendBundleOption, +) (SendBundleResponse, error) { + var opts sendBundleOpts + for _, fn := range options { + if fn == nil { + continue + } + fn(&opts) + } + + req := SendBundleRequest{ + ID: SendBundleID, + JSONRPC: JSONRPC2, + Method: ETHSendBundleMethod, + } + req.Params = append(req.Params, param) + + reqBody, err := json.Marshal(req) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("marshal json error: %w", err) + } + + headers := make(map[string]string) + if opts.flashbotSignKey != nil { + signature, err := signRequest(opts.flashbotSignKey, reqBody) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("sign flashbot request error: %w", err) + } + + // for flashbot only + headers["X-Flashbots-Signature"] = fmt.Sprintf("%s:%s", + crypto.PubkeyToAddress(opts.flashbotSignKey.PublicKey), hexutil.Encode(signature)) + } + httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, bytes.NewBuffer(reqBody)) + if err != nil { + return SendBundleResponse{}, fmt.Errorf("new http request error: %w", err) + } + + for k, v := range headers { + httpReq.Header.Add(k, v) + } + httpReq.Header.Add("Content-Type", "application/json") + httpReq.Header.Add("Accept", "application/json") + + resp, err := doRequest[SendBundleResponse](c, httpReq) + if err != nil { + return SendBundleResponse{}, err + } + + if len(resp.Error.Messange) != 0 { + return SendBundleResponse{}, fmt.Errorf("response error, code: [%d], message: [%s]", + resp.Error.Code, resp.Error.Messange) + } + + return resp, nil +} + +func signRequest(key *ecdsa.PrivateKey, body []byte) ([]byte, error) { + hashed := crypto.Keccak256Hash(body).Hex() + signature, err := crypto.Sign(accounts.TextHash([]byte(hashed)), key) + if err != nil { + return nil, fmt.Errorf("sign crypto error: %w", err) + } + + return signature, nil +} + +type sendBundleOpts struct { + flashbotSignKey *ecdsa.PrivateKey +} + +type SendBundleOption func(*sendBundleOpts) + +func WithFlashbotSignature(key *ecdsa.PrivateKey) SendBundleOption { + return func(sbo *sendBundleOpts) { + if key == nil { + return + } + + sbo.flashbotSignKey = key + } +} + +type SendBundleRequest struct { + ID int `json:"id"` + JSONRPC string `json:"jsonrpc"` + Method string `json:"method"` + Params []any `json:"params"` +} + +type SendBundleParams struct { + // Array[String], A list of signed transactions to execute in an atomic bundle + Txs []string `json:"txs"` + // String, a hex encoded block number for which this bundle is valid on + BlockNumber string `json:"blockNumber"` + // (Optional) Number, the minimum timestamp for which this bundle is valid, in seconds since the unix epoch + MinTimestamp *uint64 `json:"minTimestamp,omitempty"` + // (Optional) Number, the maximum timestamp for which this bundle is valid, in seconds since the unix epoch + MaxTimestamp *uint64 `json:"maxTimestamp,omitempty"` + // (Optional) Array[String], A list of tx hashes that are allowed to revert + RevertingTxs *[]string `json:"revertingTxHashes,omitempty"` +} + +func (p *SendBundleParams) SetTransactions(txs ...*types.Transaction) *SendBundleParams { + transactions := make([]string, 0, len(txs)) + for _, tx := range txs { + transactions = append(transactions, "0x"+txToRlp(tx)) + } + + p.Txs = transactions + + return p +} + +func (p *SendBundleParams) SetBlockNumber(block uint64) *SendBundleParams { + p.BlockNumber = fmt.Sprintf("0x%x", block) + + return p +} diff --git a/pkg/mev/send_bundle_test.go b/pkg/mev/send_bundle_test.go new file mode 100644 index 0000000..f1ab724 --- /dev/null +++ b/pkg/mev/send_bundle_test.go @@ -0,0 +1,66 @@ +package mev_test + +import ( + "context" + "math/big" + "net/http" + "testing" + + "github.com/KyberNetwork/tradinglib/pkg/convert" + "github.com/KyberNetwork/tradinglib/pkg/mev" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethclient" + "github.com/stretchr/testify/require" +) + +func TestSendBundle(t *testing.T) { + t.Skip() + var ( + rawKey = "..." + endpoint = "https://relay-sepolia.flashbots.net" + ctx = context.Background() + client = http.DefaultClient + sepoliaChainID = 11155111 + ) + privateKey, err := crypto.HexToECDSA(rawKey) + require.NoError(t, err) + address := crypto.PubkeyToAddress(privateKey.PublicKey) + + ethClient, err := ethclient.Dial("https://ethereum-sepolia.blockpi.network/v1/rpc/public") + require.NoError(t, err) + + blockNumber, err := ethClient.BlockNumber(ctx) + require.NoError(t, err) + t.Log("blockNumber", blockNumber) + + nonce, err := ethClient.PendingNonceAt(ctx, address) + require.NoError(t, err) + + tip, err := convert.FloatToWei(0.3, 18) + require.NoError(t, err) + fee, err := convert.FloatToWei(1, 18) + require.NoError(t, err) + + tx := types.NewTx(&types.DynamicFeeTx{ + ChainID: big.NewInt(int64(sepoliaChainID)), + Nonce: nonce, + To: &address, + GasTipCap: tip, + GasFeeCap: fee, + Value: big.NewInt(1), + }) + signedTx, err := types.SignTx(tx, types.NewLondonSigner(big.NewInt(int64(sepoliaChainID))), privateKey) + require.NoError(t, err) + + t.Log("new tx", signedTx.Hash().String()) + + param := new(mev.SendBundleParams). + SetTransactions(signedTx). + SetBlockNumber(blockNumber + 12) + + resp, err := mev.SendBundle(ctx, client, endpoint, param, mev.WithFlashbotSignature(privateKey)) + require.NoError(t, err) + + t.Log("send bundle response", resp) +}