[explorer] adapt trace storage

api/service/explorer/schema.go

@@ -37,21 +37,21 @@ func writeCheckpoint(db databaseWriter, bn uint64) error {
 	return db.Put(blockCheckpoint, []byte{})
 }
 
-func getTraceResultKey(hash common.Hash) []byte {
+func getTraceResultKey(key []byte) []byte {
-	return []byte(fmt.Sprintf("%s_%x", TracePrefix, hash))
+	return append([]byte(TracePrefix), key...)
 }
-func isTraceResultInDB(db databaseReader, hash common.Hash) (bool, error) {
+func isTraceResultInDB(db databaseReader, key []byte) (bool, error) {
-	key := getTraceResultKey(hash)
+	key = getTraceResultKey(key)
 	return db.Has(key)
 }
 
-func writeTraceResult(db databaseWriter, hash common.Hash, data []byte) error {
+func writeTraceResult(db databaseWriter, key []byte, data []byte) error {
-	key := getTraceResultKey(hash)
+	key = getTraceResultKey(key)
 	return db.Put(key, data)
 }
 
-func getTraceResult(db databaseReader, hash common.Hash) ([]byte, error) {
+func getTraceResult(db databaseReader, key []byte) ([]byte, error) {
-	key := getTraceResultKey(hash)
+	key = getTraceResultKey(key)
 	return db.Get(key)
 }
 

api/service/explorer/service.go

@@ -20,6 +20,7 @@ import (
 	msg_pb "github.com/harmony-one/harmony/api/proto/message"
 	"github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/hmy"
+	"github.com/harmony-one/harmony/hmy/tracers"
 	"github.com/harmony-one/harmony/internal/chain"
 	"github.com/harmony-one/harmony/internal/common"
 	nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
@@ -192,8 +193,8 @@ func (s *Service) GetTraceResultByHash(hash ethCommon.Hash) (json.RawMessage, er
 }
 
 // DumpTraceResult instruct the explorer storage to trace data in explorer DB
-func (s *Service) DumpTraceResult(hash ethCommon.Hash, data []byte) {
+func (s *Service) DumpTraceResult(data *tracers.TraceBlockStorage) {
-	s.storage.DumpTraceResult(hash, data)
+	s.storage.DumpTraceResult(data)
 }
 
 // DumpNewBlock instruct the explorer storage to dump block data in explorer DB

api/service/explorer/storage.go

@@ -14,6 +14,7 @@ import (
 	"github.com/harmony-one/harmony/core"
 	core2 "github.com/harmony-one/harmony/core"
 	"github.com/harmony-one/harmony/core/types"
+	"github.com/harmony-one/harmony/hmy/tracers"
 	common2 "github.com/harmony-one/harmony/internal/common"
 	"github.com/harmony-one/harmony/internal/utils"
 	staking "github.com/harmony-one/harmony/staking/types"
@@ -50,8 +51,7 @@ type (
 
 	traceResult struct {
 		btc  batch
-		hash common.Hash
+		data *tracers.TraceBlockStorage
-		data []byte
 	}
 )
 
@@ -82,8 +82,8 @@ func (s *storage) Close() {
 	close(s.closeC)
 }
 
-func (s *storage) DumpTraceResult(hash common.Hash, data []byte) {
+func (s *storage) DumpTraceResult(data *tracers.TraceBlockStorage) {
-	s.tm.AddNewTraceTask(hash, data)
+	s.tm.AddNewTraceTask(data)
 }
 
 func (s *storage) DumpNewBlock(b *types.Block) {
@@ -130,7 +130,16 @@ func (s *storage) GetTraceResultByHash(hash common.Hash) (json.RawMessage, error
 	if !s.available.IsSet() {
 		return nil, ErrExplorerNotReady
 	}
-	return getTraceResult(s.db, hash)
+	traceStorage := &tracers.TraceBlockStorage{
+		Hash: hash,
+	}
+	err := traceStorage.FromDB(func(key []byte) ([]byte, error) {
+		return getTraceResult(s.db, key)
+	})
+	if err != nil {
+		return nil, err
+	}
+	return traceStorage.ToJson()
 }
 
 func (s *storage) run() {
@@ -157,7 +166,7 @@ func (s *storage) loop() {
 				s.log.Error().Err(err).Msg("explorer db failed to write")
 			}
 		case res := <-s.resultT:
-			s.log.Info().Str("block hash", res.hash.Hex()).Msg("writing trace into explorer DB")
+			s.log.Info().Str("block hash", res.data.Hash.Hex()).Msg("writing trace into explorer DB")
 			if err := res.btc.Write(); err != nil {
 				s.log.Error().Err(err).Msg("explorer db failed to write trace data")
 			}
@@ -195,9 +204,8 @@ func (tm *taskManager) AddNewTask(b *types.Block) {
 	}
 }
 
-func (tm *taskManager) AddNewTraceTask(hash common.Hash, data []byte) {
+func (tm *taskManager) AddNewTraceTask(data *tracers.TraceBlockStorage) {
 	tm.T <- &traceResult{
-		hash: hash,
 		data: data,
 	}
 }
@@ -292,11 +300,13 @@ LOOP:
 				}
 			}
 		case traceResult := <-bc.tm.T:
-			if exist, err := isTraceResultInDB(bc.db, traceResult.hash); exist || err != nil {
+			if exist, err := isTraceResultInDB(bc.db, traceResult.data.KeyDB()); exist || err != nil {
 				continue
 			}
 			traceResult.btc = bc.db.NewBatch()
-			_ = writeTraceResult(traceResult.btc, traceResult.hash, traceResult.data)
+			traceResult.data.ToDB(func(key, value []byte) {
+				_ = writeTraceResult(traceResult.btc, key, value)
+			})
 			select {
 			case bc.resultT <- traceResult:
 			case <-bc.closeC:

hmy/tracers/block_tracer_storage.go

@@ -18,12 +18,16 @@ package tracers
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"math/big"
+	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/harmony-one/harmony/core/vm"
 	"github.com/harmony-one/harmony/crypto/hash"
+	"github.com/harmony-one/harmony/internal/utils"
 )
 
 type ActionStorage struct {
@@ -109,27 +113,46 @@ func (ts *TraceBlockStorage) indexAddress(address common.Address) int {
 	return index
 }
 
-func (ts *TraceBlockStorage) toDB(write func([]byte, []byte)) {
+func (ts *TraceBlockStorage) KeyDB() []byte {
+	return ts.Hash[:]
+}
+
+func (ts *TraceBlockStorage) ToDB(write func([]byte, []byte)) {
 	for index, key := range ts.DataKeyTable {
 		write(key[:], ts.dataValueTable[index])
 	}
 	bytes, _ := rlp.EncodeToBytes(ts)
-	write(ts.Hash[:], bytes)
+	write(ts.KeyDB(), bytes)
 }
 
-func (ts *TraceBlockStorage) fromDB(read func([]byte) []byte, hash common.Hash) {
+func (ts *TraceBlockStorage) FromDB(read func([]byte) ([]byte, error)) error {
-	bytes := read(hash[:])
+	bytes, err := read(ts.KeyDB())
-	rlp.DecodeBytes(bytes, ts)
+	if err != nil {
+		return err
+	}
+	err = rlp.DecodeBytes(bytes, ts)
+	if err != nil {
+		return err
+	}
 	for _, key := range ts.DataKeyTable {
-		ts.dataValueTable = append(ts.dataValueTable, read(key[:]))
+		data, err := read(key[:])
+		if err != nil {
+			return err
+		}
+		ts.dataValueTable = append(ts.dataValueTable, data)
 	}
+	return nil
 }
 
-func (ts *TraceBlockStorage) txJson(index int) []json.RawMessage {
+func (ts *TraceBlockStorage) TxJson(index int) ([]json.RawMessage, error) {
 	var results []json.RawMessage
 	var txStorage TxStorage
+	var err error
 	b := ts.TraceStorages[index]
-	rlp.DecodeBytes(b, &txStorage)
+	err = rlp.DecodeBytes(b, &txStorage)
+	if err != nil {
+		return nil, err
+	}
 
 	headPiece := fmt.Sprintf(
 		`"blockNumber":%d,"blockHash":"%s","transactionHash":"%s","transactionPosition":%d`,
@@ -142,8 +165,8 @@ func (ts *TraceBlockStorage) txJson(index int) []json.RawMessage {
 
 		typStr, acStr, outStr := ac.toJsonStr()
 		if acStr == nil {
-			//err = errors.New("tracer internal failure")
+			err = errors.New("tracer internal failure")
-			return nil
+			return nil, err
 		}
 		traceStr, _ := json.Marshal(acStorage.TraceAddress)
 		bodyPiece := fmt.Sprintf(
@@ -161,13 +184,167 @@ func (ts *TraceBlockStorage) txJson(index int) []json.RawMessage {
 		jstr := "{" + headPiece + bodyPiece + resultPiece + "}"
 		results = append(results, json.RawMessage(jstr))
 	}
-	return results
+	return results, nil
 }
 
-func (ts *TraceBlockStorage) toJson() []json.RawMessage {
+func (ts *TraceBlockStorage) ToJson() (json.RawMessage, error) {
 	var results []json.RawMessage
 	for i := range ts.TraceStorages {
-		results = append(results, ts.txJson(i)...)
+		tx, err := ts.TxJson(i)
+		if err != nil {
+			return nil, err
+		}
+		results = append(results, tx...)
+	}
+	return json.Marshal(results)
+}
+
+type JsonCallAction struct {
+	CallType string         `json:"callType"`
+	Value    string         `json:"value"`
+	From     common.Address `json:"from"`
+	To       common.Address `json:"to"`
+	Gas      string         `json:"gas"`
+	Input    string         `json:"input"`
+}
+
+type JsonCreateAction struct {
+	From  common.Address `json:"from"`
+	Value string         `json:"value"`
+	Gas   string         `json:"gas"`
+	Init  string         `json:"init"`
+}
+
+type JsonSuicideAction struct {
+	RefundAddress common.Address `json:"refundAddress"`
+	Balance       string         `json:"balance"`
+	Address       common.Address `json:"address"`
+}
+
+type JsonCallOutput struct {
+	Output  string `json:"output"`
+	GasUsed string `json:"gasUsed"`
+}
+
+type JsonCreateOutput struct {
+	Address common.Address `json:"address"`
+	Code    string         `json:"code"`
+	GasUsed string         `json:"gasUsed"`
+}
+
+type JsonTrace struct {
+	BlockNumber         uint64          `json:"blockNumber"`
+	BlockHash           common.Hash     `json:"blockHash"`
+	TransactionHash     common.Hash     `json:"transactionHash"`
+	TransactionPosition uint            `json:"transactionPosition"`
+	Subtraces           uint            `json:"subtraces"`
+	TraceAddress        []uint          `json:"traceAddress"`
+	Typ                 string          `json:"type"`
+	Action              json.RawMessage `json:"action"`
+	Result              json.RawMessage `json:"result"`
+	Err                 string          `json:"error"`
+	Revert              string          `json:"revert"`
+}
+
+func (ts *TraceBlockStorage) fromJson(bytes []byte) {
+	var actionObjs []JsonTrace
+	var txs []*TxStorage
+	var tx *TxStorage
+	json.Unmarshal(bytes, &actionObjs)
+	for _, obj := range actionObjs {
+		ac := action{}
+		if len(obj.Err) > 0 {
+			ac.err = errors.New(obj.Err)
+			ac.revert = utils.FromHex(obj.Revert)
+		}
+		if obj.Typ == "call" {
+			callAc := &JsonCallAction{}
+			err := json.Unmarshal(obj.Action, callAc)
+			if err != nil {
+				panic(err)
+			}
+			switch callAc.CallType {
+			case "staticcall":
+				ac.op = vm.STATICCALL
+			case "call":
+				ac.op = vm.CALL
+			case "callcode":
+				ac.op = vm.CALLCODE
+			case "delegatecall":
+				ac.op = vm.DELEGATECALL
+			}
+			ac.from = callAc.From
+			ac.to = callAc.To
+			ac.value, _ = new(big.Int).SetString(callAc.Value[2:], 16)
+			ac.gas, _ = strconv.ParseUint(callAc.Gas, 0, 64)
+			ac.input = utils.FromHex(callAc.Input)
+
+			if ac.err == nil {
+				callOutput := &JsonCallOutput{}
+				err = json.Unmarshal(obj.Result, callOutput)
+				if err != nil {
+					panic(err)
+				}
+				ac.output = utils.FromHex(callOutput.Output)
+				ac.gasUsed, err = strconv.ParseUint(callOutput.GasUsed, 0, 64)
+				if err != nil {
+					panic(err)
+				}
+			}
+		}
+		if obj.Typ == "create" {
+			ac.op = vm.CREATE
+			callAc := &JsonCreateAction{}
+			err := json.Unmarshal(obj.Action, callAc)
+			if err != nil {
+				panic(err)
+			}
+			callOutput := &JsonCreateOutput{}
+			err = json.Unmarshal(obj.Result, callOutput)
+			if err != nil {
+				panic(err)
+			}
+			ac.from = callAc.From
+			ac.value, _ = new(big.Int).SetString(callAc.Value[2:], 16)
+			ac.gas, _ = strconv.ParseUint(callAc.Gas, 0, 64)
+			ac.input = utils.FromHex(callAc.Init)
+
+			if ac.err == nil {
+				ac.to = callOutput.Address
+				ac.output = utils.FromHex(callOutput.Code)
+				ac.gasUsed, _ = strconv.ParseUint(callOutput.GasUsed, 0, 64)
+			}
+		}
+		if obj.Typ == "suicide" {
+			ac.op = vm.SELFDESTRUCT
+			callAc := &JsonSuicideAction{}
+			err := json.Unmarshal(obj.Action, callAc)
+			if err != nil {
+				panic(err)
+			}
+
+			ac.from = callAc.Address
+			ac.to = callAc.RefundAddress
+			ac.value, _ = new(big.Int).SetString(callAc.Balance[2:], 16)
+		}
+		ts.Hash = obj.BlockHash
+		ts.Number = obj.BlockNumber
+		if tx == nil || tx.Hash != obj.TransactionHash {
+			tx = &TxStorage{
+				Hash: obj.TransactionHash,
+			}
+			txs = append(txs, tx)
+		}
+		acStorage := ac.toStorage(ts)
+		acStorage.Subtraces = obj.Subtraces
+		acStorage.TraceAddress = obj.TraceAddress
+		tx.Storages = append(tx.Storages, acStorage)
+	}
+	for _, tx := range txs {
+		b, err := rlp.EncodeToBytes(tx)
+		if err != nil {
+			panic(err)
+		}
+		ts.TraceStorages = append(ts.TraceStorages, b)
 	}
-	return results
 }

node/node_explorer.go

@@ -131,12 +131,9 @@ func (node *Node) TraceLoopForExplorer() {
 	loop:
 		select {
 		case ev := <-ch:
-			if traceResults, err := ev.Tracer.GetResult(); err == nil {
+			if exp, err := node.getExplorerService(); err == nil {
-				if exp, err := node.getExplorerService(); err == nil {
+				storage := ev.Tracer.GetStorage()
-					if raw, err := json.Marshal(traceResults); err == nil {
+				exp.DumpTraceResult(storage)
-						exp.DumpTraceResult(ev.Block.Hash(), raw)
-					}
-				}
 			}
 			goto loop
 		case <-subscribe.Err():