311 lines
10 KiB
Go
311 lines
10 KiB
Go
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package rpcservices
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"sync/atomic"
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"github.com/ledgerwatch/erigon-lib/gointerfaces"
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"github.com/ledgerwatch/erigon-lib/gointerfaces/remote"
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types2 "github.com/ledgerwatch/erigon-lib/gointerfaces/types"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/ethdb/privateapi"
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"github.com/ledgerwatch/erigon/p2p"
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"github.com/ledgerwatch/erigon/rlp"
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"github.com/ledgerwatch/erigon/turbo/services"
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"github.com/ledgerwatch/log/v3"
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"google.golang.org/grpc"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/types/known/emptypb"
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)
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type RemoteBackend struct {
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remoteEthBackend remote.ETHBACKENDClient
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log log.Logger
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version gointerfaces.Version
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db kv.RoDB
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blockReader services.FullBlockReader
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}
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func NewRemoteBackend(client remote.ETHBACKENDClient, db kv.RoDB, blockReader services.FullBlockReader) *RemoteBackend {
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return &RemoteBackend{
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remoteEthBackend: client,
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version: gointerfaces.VersionFromProto(privateapi.EthBackendAPIVersion),
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log: log.New("remote_service", "eth_backend"),
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db: db,
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blockReader: blockReader,
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}
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}
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func (back *RemoteBackend) EnsureVersionCompatibility() bool {
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versionReply, err := back.remoteEthBackend.Version(context.Background(), &emptypb.Empty{}, grpc.WaitForReady(true))
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if err != nil {
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back.log.Error("getting Version", "err", err)
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return false
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}
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if !gointerfaces.EnsureVersion(back.version, versionReply) {
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back.log.Error("incompatible interface versions", "client", back.version.String(),
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"server", fmt.Sprintf("%d.%d.%d", versionReply.Major, versionReply.Minor, versionReply.Patch))
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return false
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}
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back.log.Info("interfaces compatible", "client", back.version.String(),
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"server", fmt.Sprintf("%d.%d.%d", versionReply.Major, versionReply.Minor, versionReply.Patch))
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return true
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}
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func (back *RemoteBackend) Etherbase(ctx context.Context) (common.Address, error) {
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res, err := back.remoteEthBackend.Etherbase(ctx, &remote.EtherbaseRequest{})
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return common.Address{}, errors.New(s.Message())
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}
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return common.Address{}, err
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}
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return gointerfaces.ConvertH160toAddress(res.Address), nil
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}
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func (back *RemoteBackend) NetVersion(ctx context.Context) (uint64, error) {
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res, err := back.remoteEthBackend.NetVersion(ctx, &remote.NetVersionRequest{})
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return 0, errors.New(s.Message())
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}
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return 0, err
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}
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return res.Id, nil
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}
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func (back *RemoteBackend) NetPeerCount(ctx context.Context) (uint64, error) {
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res, err := back.remoteEthBackend.NetPeerCount(ctx, &remote.NetPeerCountRequest{})
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return 0, errors.New(s.Message())
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}
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return 0, err
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}
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return res.Count, nil
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}
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func (back *RemoteBackend) ProtocolVersion(ctx context.Context) (uint64, error) {
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res, err := back.remoteEthBackend.ProtocolVersion(ctx, &remote.ProtocolVersionRequest{})
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return 0, errors.New(s.Message())
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}
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return 0, err
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}
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return res.Id, nil
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}
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func (back *RemoteBackend) ClientVersion(ctx context.Context) (string, error) {
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res, err := back.remoteEthBackend.ClientVersion(ctx, &remote.ClientVersionRequest{})
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return "", errors.New(s.Message())
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}
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return "", err
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}
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return res.NodeName, nil
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}
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func (back *RemoteBackend) Subscribe(ctx context.Context, onNewEvent func(*remote.SubscribeReply)) error {
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subscription, err := back.remoteEthBackend.Subscribe(ctx, &remote.SubscribeRequest{}, grpc.WaitForReady(true))
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return errors.New(s.Message())
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}
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return err
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}
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for {
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event, err := subscription.Recv()
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if errors.Is(err, io.EOF) {
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log.Debug("rpcdaemon: the subscription channel was closed")
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break
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}
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if err != nil {
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return err
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}
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onNewEvent(event)
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}
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return nil
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}
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func (back *RemoteBackend) SubscribeLogs(ctx context.Context, onNewLogs func(reply *remote.SubscribeLogsReply), requestor *atomic.Value) error {
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subscription, err := back.remoteEthBackend.SubscribeLogs(ctx, grpc.WaitForReady(true))
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if err != nil {
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if s, ok := status.FromError(err); ok {
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return errors.New(s.Message())
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}
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return err
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}
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requestor.Store(subscription.Send)
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for {
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logs, err := subscription.Recv()
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if errors.Is(err, io.EOF) {
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log.Info("rpcdaemon: the logs subscription channel was closed")
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break
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}
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if err != nil {
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return err
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}
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onNewLogs(logs)
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}
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return nil
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}
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func (back *RemoteBackend) TxnLookup(ctx context.Context, tx kv.Getter, txnHash common.Hash) (uint64, bool, error) {
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return back.blockReader.TxnLookup(ctx, tx, txnHash)
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}
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func (back *RemoteBackend) BlockWithSenders(ctx context.Context, tx kv.Getter, hash common.Hash, blockHeight uint64) (block *types.Block, senders []common.Address, err error) {
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return back.blockReader.BlockWithSenders(ctx, tx, hash, blockHeight)
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}
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func (back *RemoteBackend) BodyWithTransactions(ctx context.Context, tx kv.Getter, hash common.Hash, blockHeight uint64) (body *types.Body, err error) {
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return back.blockReader.BodyWithTransactions(ctx, tx, hash, blockHeight)
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}
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func (back *RemoteBackend) BodyRlp(ctx context.Context, tx kv.Getter, hash common.Hash, blockHeight uint64) (bodyRlp rlp.RawValue, err error) {
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return back.blockReader.BodyRlp(ctx, tx, hash, blockHeight)
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}
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func (back *RemoteBackend) Body(ctx context.Context, tx kv.Getter, hash common.Hash, blockHeight uint64) (body *types.Body, txAmount uint32, err error) {
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return back.blockReader.Body(ctx, tx, hash, blockHeight)
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}
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func (back *RemoteBackend) Header(ctx context.Context, tx kv.Getter, hash common.Hash, blockHeight uint64) (*types.Header, error) {
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return back.blockReader.Header(ctx, tx, hash, blockHeight)
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}
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func (back *RemoteBackend) HeaderByNumber(ctx context.Context, tx kv.Getter, blockHeight uint64) (*types.Header, error) {
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return back.blockReader.HeaderByNumber(ctx, tx, blockHeight)
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}
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func (back *RemoteBackend) HeaderByHash(ctx context.Context, tx kv.Getter, hash common.Hash) (*types.Header, error) {
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return back.blockReader.HeaderByHash(ctx, tx, hash)
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}
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func (back *RemoteBackend) CanonicalHash(ctx context.Context, tx kv.Getter, blockHeight uint64) (common.Hash, error) {
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return back.blockReader.CanonicalHash(ctx, tx, blockHeight)
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}
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func (back *RemoteBackend) TxnByIdxInBlock(ctx context.Context, tx kv.Getter, blockNum uint64, i int) (types.Transaction, error) {
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return back.blockReader.TxnByIdxInBlock(ctx, tx, blockNum, i)
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}
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func (back *RemoteBackend) EngineNewPayloadV1(ctx context.Context, payload *types2.ExecutionPayload) (res *remote.EnginePayloadStatus, err error) {
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return back.remoteEthBackend.EngineNewPayloadV1(ctx, payload)
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}
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func (back *RemoteBackend) EngineForkchoiceUpdatedV1(ctx context.Context, request *remote.EngineForkChoiceUpdatedRequest) (*remote.EngineForkChoiceUpdatedReply, error) {
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return back.remoteEthBackend.EngineForkChoiceUpdatedV1(ctx, request)
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}
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func (back *RemoteBackend) EngineGetPayloadV1(ctx context.Context, payloadId uint64) (res *types2.ExecutionPayload, err error) {
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return back.remoteEthBackend.EngineGetPayloadV1(ctx, &remote.EngineGetPayloadRequest{
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PayloadId: payloadId,
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})
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}
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func (back *RemoteBackend) NodeInfo(ctx context.Context, limit uint32) ([]p2p.NodeInfo, error) {
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nodes, err := back.remoteEthBackend.NodeInfo(ctx, &remote.NodesInfoRequest{Limit: limit})
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if err != nil {
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return nil, fmt.Errorf("nodes info request error: %w", err)
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}
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if nodes == nil || len(nodes.NodesInfo) == 0 {
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return nil, errors.New("empty nodesInfo response")
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}
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ret := make([]p2p.NodeInfo, 0, len(nodes.NodesInfo))
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for _, node := range nodes.NodesInfo {
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var rawProtocols map[string]json.RawMessage
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if err = json.Unmarshal(node.Protocols, &rawProtocols); err != nil {
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return nil, fmt.Errorf("cannot decode protocols metadata: %w", err)
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}
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protocols := make(map[string]interface{}, len(rawProtocols))
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for k, v := range rawProtocols {
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protocols[k] = v
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}
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ret = append(ret, p2p.NodeInfo{
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Enode: node.Enode,
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ID: node.Id,
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IP: node.Enode,
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ENR: node.Enr,
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ListenAddr: node.ListenerAddr,
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Name: node.Name,
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Ports: struct {
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Discovery int `json:"discovery"`
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Listener int `json:"listener"`
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}{
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Discovery: int(node.Ports.Discovery),
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Listener: int(node.Ports.Listener),
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},
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Protocols: protocols,
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})
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}
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return ret, nil
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}
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func (back *RemoteBackend) Peers(ctx context.Context) ([]*p2p.PeerInfo, error) {
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rpcPeers, err := back.remoteEthBackend.Peers(ctx, &emptypb.Empty{})
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if err != nil {
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return nil, fmt.Errorf("ETHBACKENDClient.Peers() error: %w", err)
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}
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peers := make([]*p2p.PeerInfo, 0, len(rpcPeers.Peers))
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for _, rpcPeer := range rpcPeers.Peers {
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peer := p2p.PeerInfo{
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ENR: rpcPeer.Enr,
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Enode: rpcPeer.Enode,
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ID: rpcPeer.Id,
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Name: rpcPeer.Name,
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Caps: rpcPeer.Caps,
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Network: struct {
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LocalAddress string `json:"localAddress"`
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RemoteAddress string `json:"remoteAddress"`
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Inbound bool `json:"inbound"`
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Trusted bool `json:"trusted"`
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Static bool `json:"static"`
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}{
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LocalAddress: rpcPeer.ConnLocalAddr,
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RemoteAddress: rpcPeer.ConnRemoteAddr,
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Inbound: rpcPeer.ConnIsInbound,
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Trusted: rpcPeer.ConnIsTrusted,
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Static: rpcPeer.ConnIsStatic,
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},
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Protocols: nil,
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}
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peers = append(peers, &peer)
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}
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return peers, nil
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}
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func (back *RemoteBackend) PendingBlock(ctx context.Context) (*types.Block, error) {
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blockRlp, err := back.remoteEthBackend.PendingBlock(ctx, &emptypb.Empty{})
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if err != nil {
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return nil, fmt.Errorf("ETHBACKENDClient.PendingBlock() error: %w", err)
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}
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if blockRlp == nil {
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return nil, nil
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}
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var block types.Block
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err = rlp.Decode(bytes.NewReader(blockRlp.BlockRlp), &block)
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if err != nil {
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return nil, fmt.Errorf("decoding block from %x: %w", blockRlp, err)
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}
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return &block, nil
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}
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