forked from cerc-io/laconicd-deprecated
rpc: restructure JSON-RPC directory and rename server config (#612)
* Restructure ethermint/rpc repo structure and change import statements * Add #400 to changelog * fix filepath in util and json_rpc * Move #400 to unreleased section
This commit is contained in:
Daniel Burckhardt
@@ -0,0 +1,384 @@
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package debug
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import (
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"bytes"
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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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"os"
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"runtime"
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"runtime/debug"
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"runtime/pprof"
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"sync"
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"time"
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"github.com/tendermint/tendermint/types"
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evmtypes "github.com/tharsis/ethermint/x/evm/types"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/server"
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"github.com/ethereum/go-ethereum/common"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tharsis/ethermint/rpc/ethereum/backend"
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rpctypes "github.com/tharsis/ethermint/rpc/ethereum/types"
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)
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// HandlerT keeps track of the cpu profiler and trace execution
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type HandlerT struct {
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cpuFilename string
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cpuFile io.WriteCloser
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mu sync.Mutex
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traceFilename string
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traceFile io.WriteCloser
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}
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// API is the collection of tracing APIs exposed over the private debugging endpoint.
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type API struct {
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ctx *server.Context
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logger log.Logger
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backend backend.Backend
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clientCtx client.Context
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queryClient *rpctypes.QueryClient
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handler *HandlerT
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}
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// NewAPI creates a new API definition for the tracing methods of the Ethereum service.
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func NewAPI(
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ctx *server.Context,
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backend backend.Backend,
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clientCtx client.Context,
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) *API {
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return &API{
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ctx: ctx,
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logger: ctx.Logger.With("module", "debug"),
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backend: backend,
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clientCtx: clientCtx,
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queryClient: rpctypes.NewQueryClient(clientCtx),
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handler: new(HandlerT),
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}
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}
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// TraceTransaction returns the structured logs created during the execution of EVM
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// and returns them as a JSON object.
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func (a *API) TraceTransaction(hash common.Hash, config *evmtypes.TraceConfig) (interface{}, error) {
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a.logger.Debug("debug_traceTransaction", "hash", hash)
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// Get transaction by hash
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transaction, err := a.backend.GetTxByEthHash(hash)
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if err != nil {
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a.logger.Debug("tx not found", "hash", hash)
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return nil, err
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}
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// check if block number is 0
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if transaction.Height == 0 {
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return nil, errors.New("genesis is not traceable")
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}
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tx, err := a.clientCtx.TxConfig.TxDecoder()(transaction.Tx)
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if err != nil {
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a.logger.Debug("tx not found", "hash", hash)
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return nil, err
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}
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ethMessage, ok := tx.GetMsgs()[0].(*evmtypes.MsgEthereumTx)
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if !ok {
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a.logger.Debug("invalid transaction type", "type", fmt.Sprintf("%T", tx))
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return nil, fmt.Errorf("invalid transaction type %T", tx)
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}
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traceTxRequest := evmtypes.QueryTraceTxRequest{
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Msg: ethMessage,
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TxIndex: uint64(transaction.Index),
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}
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if config != nil {
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traceTxRequest.TraceConfig = config
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}
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traceResult, err := a.queryClient.TraceTx(rpctypes.ContextWithHeight(transaction.Height), &traceTxRequest)
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if err != nil {
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return nil, err
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}
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// Response format is unknown due to custom tracer config param
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// More information can be found here https://geth.ethereum.org/docs/dapp/tracing-filtered
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var decodedResult interface{}
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err = json.Unmarshal(traceResult.Data, &decodedResult)
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if err != nil {
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return nil, err
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}
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return decodedResult, nil
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}
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// TraceBlockByNumber returns the structured logs created during the execution of
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// EVM and returns them as a JSON object.
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func (a *API) TraceBlockByNumber(height rpctypes.BlockNumber, config *evmtypes.TraceConfig) ([]*evmtypes.TxTraceResult, error) {
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a.logger.Debug("debug_traceBlockByNumber", "height", height)
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if height == 0 {
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return nil, errors.New("genesis is not traceable")
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}
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// Get Tendermint Block
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resBlock, err := a.backend.GetTendermintBlockByNumber(height)
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if err != nil {
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return nil, err
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}
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return a.traceBlock(height, config, resBlock.Block.Txs)
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}
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// traceBlock configures a new tracer according to the provided configuration, and
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// executes all the transactions contained within. The return value will be one item
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// per transaction, dependent on the requested tracer.
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func (a API) traceBlock(height rpctypes.BlockNumber, config *evmtypes.TraceConfig, txs types.Txs) ([]*evmtypes.TxTraceResult, error) {
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txsLength := len(txs)
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if txsLength == 0 {
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// If there are no transactions return empty array
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return []*evmtypes.TxTraceResult{}, nil
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}
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var (
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results = make([]*evmtypes.TxTraceResult, txsLength)
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wg = new(sync.WaitGroup)
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jobs = make(chan *evmtypes.TxTraceTask, txsLength)
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)
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threads := runtime.NumCPU()
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if threads > txsLength {
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threads = txsLength
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}
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ctxWithHeight := rpctypes.ContextWithHeight(int64(height))
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wg.Add(threads)
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for th := 0; th < threads; th++ {
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go func() {
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defer wg.Done()
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txDecoder := a.clientCtx.TxConfig.TxDecoder()
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// Fetch and execute the next transaction trace tasks
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for task := range jobs {
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tx, err := txDecoder(txs[task.Index])
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if err != nil {
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a.logger.Error("failed to decode transaction", "hash", txs[task.Index].Hash(), "error", err.Error())
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continue
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}
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messages := tx.GetMsgs()
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if len(messages) == 0 {
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continue
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}
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ethMessage, ok := messages[0].(*evmtypes.MsgEthereumTx)
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if !ok {
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// Just considers Ethereum transactions
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continue
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}
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traceTxRequest := &evmtypes.QueryTraceTxRequest{
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Msg: ethMessage,
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TxIndex: uint64(task.Index),
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TraceConfig: config,
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}
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res, err := a.queryClient.TraceTx(ctxWithHeight, traceTxRequest)
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if err != nil {
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results[task.Index] = &evmtypes.TxTraceResult{Error: err.Error()}
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continue
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}
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// Response format is unknown due to custom tracer config param
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// More information can be found here https://geth.ethereum.org/docs/dapp/tracing-filtered
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var decodedResult interface{}
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if err := json.Unmarshal(res.Data, &decodedResult); err != nil {
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results[task.Index] = &evmtypes.TxTraceResult{Error: err.Error()}
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continue
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}
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results[task.Index] = &evmtypes.TxTraceResult{Result: decodedResult}
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}
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}()
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}
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for i := range txs {
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jobs <- &evmtypes.TxTraceTask{Index: i}
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}
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close(jobs)
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wg.Wait()
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return results, nil
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}
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// BlockProfile turns on goroutine profiling for nsec seconds and writes profile data to
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// file. It uses a profile rate of 1 for most accurate information. If a different rate is
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// desired, set the rate and write the profile manually.
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func (a *API) BlockProfile(file string, nsec uint) error {
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a.logger.Debug("debug_blockProfile", "file", file, "nsec", nsec)
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runtime.SetBlockProfileRate(1)
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defer runtime.SetBlockProfileRate(0)
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time.Sleep(time.Duration(nsec) * time.Second)
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return writeProfile("block", file, a.logger)
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}
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// CpuProfile turns on CPU profiling for nsec seconds and writes
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// profile data to file.
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func (a *API) CpuProfile(file string, nsec uint) error { // nolint: golint, stylecheck
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a.logger.Debug("debug_cpuProfile", "file", file, "nsec", nsec)
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if err := a.StartCPUProfile(file); err != nil {
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return err
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}
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time.Sleep(time.Duration(nsec) * time.Second)
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return a.StopCPUProfile()
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}
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// GcStats returns GC statistics.
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func (a *API) GcStats() *debug.GCStats {
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a.logger.Debug("debug_gcStats")
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s := new(debug.GCStats)
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debug.ReadGCStats(s)
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return s
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}
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// GoTrace turns on tracing for nsec seconds and writes
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// trace data to file.
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func (a *API) GoTrace(file string, nsec uint) error {
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a.logger.Debug("debug_goTrace", "file", file, "nsec", nsec)
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if err := a.StartGoTrace(file); err != nil {
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return err
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}
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time.Sleep(time.Duration(nsec) * time.Second)
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return a.StopGoTrace()
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}
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|
||||
// MemStats returns detailed runtime memory statistics.
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func (a *API) MemStats() *runtime.MemStats {
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a.logger.Debug("debug_memStats")
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s := new(runtime.MemStats)
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runtime.ReadMemStats(s)
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return s
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}
|
||||
|
||||
// SetBlockProfileRate sets the rate of goroutine block profile data collection.
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// rate 0 disables block profiling.
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func (a *API) SetBlockProfileRate(rate int) {
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a.logger.Debug("debug_setBlockProfileRate", "rate", rate)
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runtime.SetBlockProfileRate(rate)
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}
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// Stacks returns a printed representation of the stacks of all goroutines.
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func (a *API) Stacks() string {
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a.logger.Debug("debug_stacks")
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buf := new(bytes.Buffer)
|
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err := pprof.Lookup("goroutine").WriteTo(buf, 2)
|
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if err != nil {
|
||||
a.logger.Error("Failed to create stacks", "error", err.Error())
|
||||
}
|
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return buf.String()
|
||||
}
|
||||
|
||||
// StartCPUProfile turns on CPU profiling, writing to the given file.
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func (a *API) StartCPUProfile(file string) error {
|
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a.logger.Debug("debug_startCPUProfile", "file", file)
|
||||
a.handler.mu.Lock()
|
||||
defer a.handler.mu.Unlock()
|
||||
|
||||
switch {
|
||||
case isCPUProfileConfigurationActivated(a.ctx):
|
||||
a.logger.Debug("CPU profiling already in progress using the configuration file")
|
||||
return errors.New("CPU profiling already in progress using the configuration file")
|
||||
case a.handler.cpuFile != nil:
|
||||
a.logger.Debug("CPU profiling already in progress")
|
||||
return errors.New("CPU profiling already in progress")
|
||||
default:
|
||||
f, err := os.Create(ExpandHome(file))
|
||||
if err != nil {
|
||||
a.logger.Debug("failed to create CPU profile file", "error", err.Error())
|
||||
return err
|
||||
}
|
||||
if err := pprof.StartCPUProfile(f); err != nil {
|
||||
a.logger.Debug("cpu profiling already in use", "error", err.Error())
|
||||
f.Close()
|
||||
return err
|
||||
}
|
||||
|
||||
a.logger.Info("CPU profiling started", "profile", file)
|
||||
a.handler.cpuFile = f
|
||||
a.handler.cpuFilename = file
|
||||
return nil
|
||||
}
|
||||
}
|
||||
|
||||
// StopCPUProfile stops an ongoing CPU profile.
|
||||
func (a *API) StopCPUProfile() error {
|
||||
a.logger.Debug("debug_stopCPUProfile")
|
||||
a.handler.mu.Lock()
|
||||
defer a.handler.mu.Unlock()
|
||||
|
||||
switch {
|
||||
case isCPUProfileConfigurationActivated(a.ctx):
|
||||
a.logger.Debug("CPU profiling already in progress using the configuration file")
|
||||
return errors.New("CPU profiling already in progress using the configuration file")
|
||||
case a.handler.cpuFile != nil:
|
||||
a.logger.Info("Done writing CPU profile", "profile", a.handler.cpuFilename)
|
||||
pprof.StopCPUProfile()
|
||||
a.handler.cpuFile.Close()
|
||||
a.handler.cpuFile = nil
|
||||
a.handler.cpuFilename = ""
|
||||
return nil
|
||||
default:
|
||||
a.logger.Debug("CPU profiling not in progress")
|
||||
return errors.New("CPU profiling not in progress")
|
||||
}
|
||||
}
|
||||
|
||||
// WriteBlockProfile writes a goroutine blocking profile to the given file.
|
||||
func (a *API) WriteBlockProfile(file string) error {
|
||||
a.logger.Debug("debug_writeBlockProfile", "file", file)
|
||||
return writeProfile("block", file, a.logger)
|
||||
}
|
||||
|
||||
// WriteMemProfile writes an allocation profile to the given file.
|
||||
// Note that the profiling rate cannot be set through the API,
|
||||
// it must be set on the command line.
|
||||
func (a *API) WriteMemProfile(file string) error {
|
||||
a.logger.Debug("debug_writeMemProfile", "file", file)
|
||||
return writeProfile("heap", file, a.logger)
|
||||
}
|
||||
|
||||
// MutexProfile turns on mutex profiling for nsec seconds and writes profile data to file.
|
||||
// It uses a profile rate of 1 for most accurate information. If a different rate is
|
||||
// desired, set the rate and write the profile manually.
|
||||
func (a *API) MutexProfile(file string, nsec uint) error {
|
||||
a.logger.Debug("debug_mutexProfile", "file", file, "nsec", nsec)
|
||||
runtime.SetMutexProfileFraction(1)
|
||||
time.Sleep(time.Duration(nsec) * time.Second)
|
||||
defer runtime.SetMutexProfileFraction(0)
|
||||
return writeProfile("mutex", file, a.logger)
|
||||
}
|
||||
|
||||
// SetMutexProfileFraction sets the rate of mutex profiling.
|
||||
func (a *API) SetMutexProfileFraction(rate int) {
|
||||
a.logger.Debug("debug_setMutexProfileFraction", "rate", rate)
|
||||
runtime.SetMutexProfileFraction(rate)
|
||||
}
|
||||
|
||||
// WriteMutexProfile writes a goroutine blocking profile to the given file.
|
||||
func (a *API) WriteMutexProfile(file string) error {
|
||||
a.logger.Debug("debug_writeMutexProfile", "file", file)
|
||||
return writeProfile("mutex", file, a.logger)
|
||||
}
|
||||
|
||||
// FreeOSMemory forces a garbage collection.
|
||||
func (a *API) FreeOSMemory() {
|
||||
a.logger.Debug("debug_freeOSMemory")
|
||||
debug.FreeOSMemory()
|
||||
}
|
||||
|
||||
// SetGCPercent sets the garbage collection target percentage. It returns the previous
|
||||
// setting. A negative value disables GC.
|
||||
func (a *API) SetGCPercent(v int) int {
|
||||
a.logger.Debug("debug_setGCPercent", "percent", v)
|
||||
return debug.SetGCPercent(v)
|
||||
}
|
||||
@@ -0,0 +1,70 @@
|
||||
// Copyright 2016 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//go:build go1.5
|
||||
// +build go1.5
|
||||
|
||||
package debug
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"os"
|
||||
"runtime/trace"
|
||||
)
|
||||
|
||||
// StartGoTrace turns on tracing, writing to the given file.
|
||||
func (a *API) StartGoTrace(file string) error {
|
||||
a.logger.Debug("debug_startGoTrace", "file", file)
|
||||
a.handler.mu.Lock()
|
||||
defer a.handler.mu.Unlock()
|
||||
|
||||
if a.handler.traceFile != nil {
|
||||
a.logger.Debug("trace already in progress")
|
||||
return errors.New("trace already in progress")
|
||||
}
|
||||
f, err := os.Create(ExpandHome(file))
|
||||
if err != nil {
|
||||
a.logger.Debug("failed to create go trace file", "error", err.Error())
|
||||
return err
|
||||
}
|
||||
if err := trace.Start(f); err != nil {
|
||||
a.logger.Debug("Go tracing already started", "error", err.Error())
|
||||
f.Close()
|
||||
return err
|
||||
}
|
||||
a.handler.traceFile = f
|
||||
a.handler.traceFilename = file
|
||||
a.logger.Info("Go tracing started", "dump", a.handler.traceFilename)
|
||||
return nil
|
||||
}
|
||||
|
||||
// StopGoTrace stops an ongoing trace.
|
||||
func (a *API) StopGoTrace() error {
|
||||
a.logger.Debug("debug_stopGoTrace")
|
||||
a.handler.mu.Lock()
|
||||
defer a.handler.mu.Unlock()
|
||||
|
||||
trace.Stop()
|
||||
if a.handler.traceFile == nil {
|
||||
a.logger.Debug("trace not in progress")
|
||||
return errors.New("trace not in progress")
|
||||
}
|
||||
a.logger.Info("Done writing Go trace", "dump", a.handler.traceFilename)
|
||||
a.handler.traceFile.Close()
|
||||
a.handler.traceFile = nil
|
||||
a.handler.traceFilename = ""
|
||||
return nil
|
||||
}
|
||||
@@ -0,0 +1,36 @@
|
||||
// Copyright 2016 The go-ethereum Authors
|
||||
// This file is part of the go-ethereum library.
|
||||
//
|
||||
// The go-ethereum library is free software: you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Lesser General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// The go-ethereum library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Lesser General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Lesser General Public License
|
||||
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
//go:build !go1.5
|
||||
// +build !go1.5
|
||||
|
||||
// no-op implementation of tracing methods for Go < 1.5.
|
||||
|
||||
package debug
|
||||
|
||||
import (
|
||||
"errors"
|
||||
)
|
||||
|
||||
func (*API) StartGoTrace(string file) error {
|
||||
a.logger.Debug("debug_stopGoTrace", "file", file)
|
||||
return errors.New("tracing is not supported on Go < 1.5")
|
||||
}
|
||||
|
||||
func (*API) StopGoTrace() error {
|
||||
a.logger.Debug("debug_stopGoTrace")
|
||||
return errors.New("tracing is not supported on Go < 1.5")
|
||||
}
|
||||
@@ -0,0 +1,53 @@
|
||||
package debug
|
||||
|
||||
import (
|
||||
"os"
|
||||
"os/user"
|
||||
"path/filepath"
|
||||
"runtime/pprof"
|
||||
"strings"
|
||||
|
||||
"github.com/cosmos/cosmos-sdk/server"
|
||||
"github.com/tendermint/tendermint/libs/log"
|
||||
)
|
||||
|
||||
// isCPUProfileConfigurationActivated checks if cpuprofile was configured via flag
|
||||
func isCPUProfileConfigurationActivated(ctx *server.Context) bool {
|
||||
// TODO: use same constants as server/start.go
|
||||
// constant declared in start.go cannot be imported (cyclical dependency)
|
||||
const flagCPUProfile = "cpu-profile"
|
||||
if cpuProfile := ctx.Viper.GetString(flagCPUProfile); cpuProfile != "" {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// ExpandHome expands home directory in file paths.
|
||||
// ~someuser/tmp will not be expanded.
|
||||
func ExpandHome(p string) string {
|
||||
if strings.HasPrefix(p, "~/") || strings.HasPrefix(p, "~\\") {
|
||||
home := os.Getenv("HOME")
|
||||
if home == "" {
|
||||
if usr, err := user.Current(); err == nil {
|
||||
home = usr.HomeDir
|
||||
}
|
||||
}
|
||||
if home != "" {
|
||||
p = home + p[1:]
|
||||
}
|
||||
}
|
||||
return filepath.Clean(p)
|
||||
}
|
||||
|
||||
// writeProfile writes the data to a file
|
||||
func writeProfile(name, file string, log log.Logger) error {
|
||||
p := pprof.Lookup(name)
|
||||
log.Info("Writing profile records", "count", p.Count(), "type", name, "dump", file)
|
||||
f, err := os.Create(ExpandHome(file))
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
return p.WriteTo(f, 0)
|
||||
}
|
||||
Reference in New Issue
Block a user