eth

package
v2.1.49+incompatible Latest Latest
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 Go to latest Published: Sep 11, 2018 License: GPL-3.0 Imports: 48 Imported by: 48

Documentation

Overview

Package eth implements the GoChain protocol.

Package eth implements the GoChain protocol.

Index

Constants

View Source 
const (
	// Protocol messages belonging to eth/62
	StatusMsg          = p2p.StatusMsg
	NewBlockHashesMsg  = p2p.NewBlockHashesMsg
	TxMsg              = p2p.TxMsg
	GetBlockHeadersMsg = p2p.GetBlockHeadersMsg
	BlockHeadersMsg    = p2p.BlockHeadersMsg
	GetBlockBodiesMsg  = p2p.GetBlockBodiesMsg
	BlockBodiesMsg     = p2p.BlockBodiesMsg
	NewBlockMsg        = p2p.NewBlockMsg

	// Protocol messages belonging to eth/63
	GetNodeDataMsg = p2p.GetNodeDataMsg
	NodeDataMsg    = p2p.NodeDataMsg
	GetReceiptsMsg = p2p.GetReceiptsMsg
	ReceiptsMsg    = p2p.ReceiptsMsg
)

eth protocol message codes

View Source 
const (
	ErrMsgTooLarge = iota
	ErrDecode
	ErrInvalidMsgCode
	ErrProtocolVersionMismatch
	ErrNetworkIdMismatch
	ErrGenesisBlockMismatch
	ErrNoStatusMsg
	ErrExtraStatusMsg
	ErrSuspendedPeer
)
View Source 
const ProtocolMaxMsgSize = 10 * 1024 * 1024 // Maximum cap on the size of a protocol message

Variables

View Source 
var DefaultConfig = Config{
	SyncMode:      downloader.FastSync,
	NetworkId:     params.MainnetChainID,
	LightPeers:    100,
	DatabaseCache: 768,
	TrieCache:     256,
	TrieTimeout:   60 * time.Minute,
	GasPrice:      gasprice.Default,

	TxPool: core.DefaultTxPoolConfig,
	GPO: gasprice.Config{
		Blocks:     5,
		Percentile: 60,
	},
}

DefaultConfig contains default settings for use on the GoChain main net.

View Source 
var ProtocolLengths = []uint64{17, 8}

Number of implemented message corresponding to different protocol versions.

View Source 
var ProtocolName = "eth"

Official short name of the protocol used during capability negotiation.

View Source 
var ProtocolVersions = []uint{eth63, eth62}

Supported versions of the eth protocol (first is primary).

Functions

func CreateDB 

func CreateDB(ctx *node.ServiceContext, config *Config, name string) (ethdb.Database, error)

CreateDB creates the chain database.

func NewBloomIndexer 

func NewBloomIndexer(db ethdb.Database, size uint64) *core.ChainIndexer

NewBloomIndexer returns a chain indexer that generates bloom bits data for the canonical chain for fast logs filtering.

Types

type BloomIndexer 

type BloomIndexer struct {
	// contains filtered or unexported fields
}

BloomIndexer implements a core.ChainIndexer, building up a rotated bloom bits index for the GoChain header bloom filters, permitting blazing fast filtering.

func (*BloomIndexer) Commit 

func (b *BloomIndexer) Commit() error

Commit implements core.ChainIndexerBackend, finalizing the bloom section and writing it out into the database.

func (*BloomIndexer) Process 

func (b *BloomIndexer) Process(header *types.Header)

Process implements core.ChainIndexerBackend, adding a new header's bloom into the index.

func (*BloomIndexer) Reset 

func (b *BloomIndexer) Reset(section uint64, lastSectionHead common.Hash) error

Reset implements core.ChainIndexerBackend, starting a new bloombits index section.

type Config 

type Config struct {
	// The genesis block, which is inserted if the database is empty.
	// If nil, the GoChain main net block is used.
	Genesis *core.Genesis `toml:",omitempty"`

	// Protocol options
	NetworkId uint64 // Network ID to use for selecting peers to connect to
	SyncMode  downloader.SyncMode
	NoPruning bool

	// Light client options
	LightServ  int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
	LightPeers int `toml:",omitempty"` // Maximum number of LES client peers

	// Database options
	SkipBcVersionCheck bool `toml:"-"`
	DatabaseHandles    int  `toml:"-"`
	DatabaseCache      int
	TrieCache          int
	TrieTimeout        time.Duration

	// Mining-related options
	Etherbase    common.Address `toml:",omitempty"`
	MinerThreads int            `toml:",omitempty"`
	ExtraData    []byte         `toml:",omitempty"`
	GasPrice     *big.Int

	// Transaction pool options
	TxPool core.TxPoolConfig

	// Gas Price Oracle options
	GPO gasprice.Config

	// Enables tracking of SHA3 preimages in the VM
	EnablePreimageRecording bool

	// Miscellaneous options
	DocRoot string `toml:"-"`

	// Archive options.
	Archive archive.Config `toml:",omitempty"`
}

func (Config) MarshalTOML 

func (c Config) MarshalTOML() (interface{}, error)

MarshalTOML marshals as TOML.

func (*Config) UnmarshalTOML 

func (c *Config) UnmarshalTOML(unmarshal func(interface{}) error) error

UnmarshalTOML unmarshals from TOML.

type EthApiBackend 

type EthApiBackend struct {
	// contains filtered or unexported fields
}

EthApiBackend implements ethapi.Backend for full nodes

func (*EthApiBackend) AccountManager 

func (b *EthApiBackend) AccountManager() *accounts.Manager

func (*EthApiBackend) BlockByNumber 

func (b *EthApiBackend) BlockByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Block, error)

func (*EthApiBackend) BloomStatus 

func (b *EthApiBackend) BloomStatus() (uint64, uint64)

func (*EthApiBackend) ChainConfig 

func (b *EthApiBackend) ChainConfig() *params.ChainConfig

func (*EthApiBackend) ChainDb 

func (b *EthApiBackend) ChainDb() ethdb.Database

func (*EthApiBackend) CurrentBlock 

func (b *EthApiBackend) CurrentBlock() *types.Block

func (*EthApiBackend) Downloader 

func (b *EthApiBackend) Downloader() *downloader.Downloader

func (*EthApiBackend) EventMux 

func (b *EthApiBackend) EventMux() *event.TypeMux

func (*EthApiBackend) GenesisAlloc 

func (b *EthApiBackend) GenesisAlloc() core.GenesisAlloc

func (*EthApiBackend) GetBlock 

func (b *EthApiBackend) GetBlock(ctx context.Context, blockHash common.Hash) (*types.Block, error)

func (*EthApiBackend) GetEVM 

func (b *EthApiBackend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header, vmCfg vm.Config) (*vm.EVM, error)

func (*EthApiBackend) GetPoolNonce 

func (b *EthApiBackend) GetPoolNonce(ctx context.Context, addr common.Address) (uint64, error)

func (*EthApiBackend) GetPoolTransaction 

func (b *EthApiBackend) GetPoolTransaction(hash common.Hash) *types.Transaction

func (*EthApiBackend) GetPoolTransactions 

func (b *EthApiBackend) GetPoolTransactions() types.Transactions

func (*EthApiBackend) GetReceipts 

func (b *EthApiBackend) GetReceipts(ctx context.Context, blockHash common.Hash) (types.Receipts, error)

func (*EthApiBackend) GetTd 

func (b *EthApiBackend) GetTd(blockHash common.Hash) *big.Int

func (*EthApiBackend) HeaderByNumber 

func (b *EthApiBackend) HeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*types.Header, error)

func (*EthApiBackend) InitialSupply 

func (b *EthApiBackend) InitialSupply() *big.Int

func (*EthApiBackend) ProtocolVersion 

func (b *EthApiBackend) ProtocolVersion() int

func (*EthApiBackend) SendTx 

func (b *EthApiBackend) SendTx(ctx context.Context, signedTx *types.Transaction) error

func (*EthApiBackend) ServiceFilter 

func (b *EthApiBackend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession)

func (*EthApiBackend) SetHead 

func (b *EthApiBackend) SetHead(number uint64)

func (*EthApiBackend) StateAndHeaderByNumber 

func (b *EthApiBackend) StateAndHeaderByNumber(ctx context.Context, blockNr rpc.BlockNumber) (*state.StateDB, *types.Header, error)

func (*EthApiBackend) StateQuery 

func (b *EthApiBackend) StateQuery(ctx context.Context, blockNr rpc.BlockNumber, fn func(*state.StateDB) error) error

func (*EthApiBackend) Stats 

func (b *EthApiBackend) Stats() (pending int, queued int)

func (*EthApiBackend) SubscribeChainEvent 

func (b *EthApiBackend) SubscribeChainEvent(ch chan<- core.ChainEvent) event.Subscription

func (*EthApiBackend) SubscribeChainHeadEvent 

func (b *EthApiBackend) SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription

func (*EthApiBackend) SubscribeChainSideEvent 

func (b *EthApiBackend) SubscribeChainSideEvent(ch chan<- core.ChainSideEvent) event.Subscription

func (*EthApiBackend) SubscribeLogsEvent 

func (b *EthApiBackend) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription

func (*EthApiBackend) SubscribeNewTxsEvent 

func (b *EthApiBackend) SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription

func (*EthApiBackend) SubscribeRemovedLogsEvent 

func (b *EthApiBackend) SubscribeRemovedLogsEvent(ch chan<- core.RemovedLogsEvent) event.Subscription

func (*EthApiBackend) SuggestPrice 

func (b *EthApiBackend) SuggestPrice(ctx context.Context) (*big.Int, error)

func (*EthApiBackend) TxPoolContent 

func (b *EthApiBackend) TxPoolContent(ctx context.Context) (map[common.Address]types.Transactions, map[common.Address]types.Transactions)

type GoChain 

type GoChain struct {
	ApiBackend *EthApiBackend
	// contains filtered or unexported fields
}

GoChain implements the GoChain full node service.

func New 

func New(sctx *node.ServiceContext, config *Config) (*GoChain, error)

New creates a new GoChain object (including the initialisation of the common GoChain object)

func (*GoChain) APIs 

func (gc *GoChain) APIs() []rpc.API

APIs returns the collection of RPC services the ethereum package offers. NOTE, some of these services probably need to be moved to somewhere else.

func (*GoChain) AccountManager 

func (gc *GoChain) AccountManager() *accounts.Manager

func (*GoChain) AddLesServer 

func (gc *GoChain) AddLesServer(ls LesServer)

func (*GoChain) BlockChain 

func (gc *GoChain) BlockChain() *core.BlockChain

func (*GoChain) ChainDb 

func (gc *GoChain) ChainDb() ethdb.Database

func (*GoChain) Downloader 

func (gc *GoChain) Downloader() *downloader.Downloader

func (*GoChain) Engine 

func (gc *GoChain) Engine() consensus.Engine

func (*GoChain) EthVersion 

func (gc *GoChain) EthVersion() int

func (*GoChain) Etherbase 

func (gc *GoChain) Etherbase() (eb common.Address, err error)

func (*GoChain) EventMux 

func (gc *GoChain) EventMux() *event.TypeMux

func (*GoChain) IsListening 

func (gc *GoChain) IsListening() bool

func (*GoChain) IsMining 

func (gc *GoChain) IsMining() bool

func (*GoChain) Miner 

func (gc *GoChain) Miner() *miner.Miner

func (*GoChain) NetVersion 

func (gc *GoChain) NetVersion() uint64

func (*GoChain) Protocols 

func (gc *GoChain) Protocols() []p2p.Protocol

Protocols implements node.Service, returning all the currently configured network protocols to start.

func (*GoChain) ResetWithGenesisBlock 

func (gc *GoChain) ResetWithGenesisBlock(gb *types.Block)

func (*GoChain) SetEtherbase 

func (gc *GoChain) SetEtherbase(etherbase common.Address)

set in js console via admin interface or wrapper from cli flags

func (*GoChain) Start 

func (gc *GoChain) Start(srvr *p2p.Server) error

Start implements node.Service, starting all internal goroutines needed by the GoChain protocol implementation.

func (*GoChain) StartMining 

func (gc *GoChain) StartMining(local bool) error

func (*GoChain) Stop 

func (gc *GoChain) Stop() error

Stop implements node.Service, terminating all internal goroutines used by the GoChain protocol.

func (*GoChain) StopMining 

func (gc *GoChain) StopMining()

func (*GoChain) TxPool 

func (gc *GoChain) TxPool() *core.TxPool

type LesServer 

type LesServer interface {
	Start(srvr *p2p.Server)
	Stop()
	Protocols() []p2p.Protocol
	SetBloomBitsIndexer(bbIndexer *core.ChainIndexer)
}

type NodeInfo added in v0.9.20 

type NodeInfo struct {
	Network    uint64              `json:"network"`    // GoChain network ID (1=Frontier, 2=Morden, Ropsten=3, Rinkeby=4)
	Difficulty *big.Int            `json:"difficulty"` // Total difficulty of the host's blockchain
	Genesis    common.Hash         `json:"genesis"`    // SHA3 hash of the host's genesis block
	Config     *params.ChainConfig `json:"config"`     // Chain configuration for the fork rules
	Head       common.Hash         `json:"head"`       // SHA3 hash of the host's best owned block
}

NodeInfo represents a short summary of the GoChain sub-protocol metadata known about the host peer.

type PeerInfo added in v0.9.20 

type PeerInfo struct {
	Version    int      `json:"version"`    // GoChain protocol version negotiated
	Difficulty *big.Int `json:"difficulty"` // Total difficulty of the peer's blockchain
	Head       string   `json:"head"`       // SHA3 hash of the peer's best owned block
}

PeerInfo represents a short summary of the GoChain sub-protocol metadata known about a connected peer.

type PrivateAdminAPI 

type PrivateAdminAPI struct {
	// contains filtered or unexported fields
}

PrivateAdminAPI is the collection of GoChain full node-related APIs exposed over the private admin endpoint.

func NewPrivateAdminAPI 

func NewPrivateAdminAPI(eth *GoChain) *PrivateAdminAPI

NewPrivateAdminAPI creates a new API definition for the full node private admin methods of the GoChain service.

func (*PrivateAdminAPI) ExportChain 

func (api *PrivateAdminAPI) ExportChain(file string) (bool, error)

ExportChain exports the current blockchain into a local file.

func (*PrivateAdminAPI) ImportChain 

func (api *PrivateAdminAPI) ImportChain(ctx context.Context, file string) (bool, error)

ImportChain imports a blockchain from a local file.

type PrivateDebugAPI 

type PrivateDebugAPI struct {
	// contains filtered or unexported fields
}

PrivateDebugAPI is the collection of GoChain full node APIs exposed over the private debugging endpoint.

func NewPrivateDebugAPI 

func NewPrivateDebugAPI(config *params.ChainConfig, eth *GoChain) *PrivateDebugAPI

NewPrivateDebugAPI creates a new API definition for the full node-related private debug methods of the GoChain service.

func (*PrivateDebugAPI) GetBadBlocks 

func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]core.BadBlockArgs, error)

GetBadBLocks returns a list of the last 'bad blocks' that the client has seen on the network and returns them as a JSON list of block-hashes

func (*PrivateDebugAPI) GetModifiedAccountsByHash 

func (api *PrivateDebugAPI) GetModifiedAccountsByHash(startHash common.Hash, endHash *common.Hash) ([]common.Address, error)

GetModifiedAccountsByHash returns all accounts that have changed between the two blocks specified. A change is defined as a difference in nonce, balance, code hash, or storage hash.

With one parameter, returns the list of accounts modified in the specified block.

func (*PrivateDebugAPI) GetModifiedAccountsByNumber 

func (api *PrivateDebugAPI) GetModifiedAccountsByNumber(startNum uint64, endNum *uint64) ([]common.Address, error)

GetModifiedAccountsByumber returns all accounts that have changed between the two blocks specified. A change is defined as a difference in nonce, balance, code hash, or storage hash.

With one parameter, returns the list of accounts modified in the specified block.

func (*PrivateDebugAPI) Preimage 

func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hexutil.Bytes, error)

Preimage is a debug API function that returns the preimage for a sha3 hash, if known.

func (*PrivateDebugAPI) StorageRangeAt 

func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex int, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error)

StorageRangeAt returns the storage at the given block height and transaction index.

func (*PrivateDebugAPI) TraceBlock 

func (api *PrivateDebugAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error)

TraceBlock returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockByHash 

func (api *PrivateDebugAPI) TraceBlockByHash(ctx context.Context, hash common.Hash, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockByHash returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockByNumber 

func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockByNumber returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceBlockFromFile 

func (api *PrivateDebugAPI) TraceBlockFromFile(ctx context.Context, file string, config *TraceConfig) ([]*txTraceResult, error)

TraceBlockFromFile returns the structured logs created during the execution of EVM and returns them as a JSON object.

func (*PrivateDebugAPI) TraceChain 

func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.BlockNumber, config *TraceConfig) (*rpc.Subscription, error)

TraceChain returns the structured logs created during the execution of EVM between two blocks (excluding start) and returns them as a JSON object.

func (*PrivateDebugAPI) TraceTransaction 

func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error)

TraceTransaction returns the structured logs created during the execution of EVM and returns them as a JSON object.

type PrivateMinerAPI 

type PrivateMinerAPI struct {
	// contains filtered or unexported fields
}

PrivateMinerAPI provides private RPC methods to control the miner. These methods can be abused by external users and must be considered insecure for use by untrusted users.

func NewPrivateMinerAPI 

func NewPrivateMinerAPI(e *GoChain) *PrivateMinerAPI

NewPrivateMinerAPI create a new RPC service which controls the miner of this node.

func (*PrivateMinerAPI) SetEtherbase 

func (api *PrivateMinerAPI) SetEtherbase(etherbase common.Address) bool

SetEtherbase sets the etherbase of the miner

func (*PrivateMinerAPI) SetExtra 

func (api *PrivateMinerAPI) SetExtra(extra string) (bool, error)

SetExtra sets the extra data string that is included when this miner mines a block.

func (*PrivateMinerAPI) SetGasPrice 

func (api *PrivateMinerAPI) SetGasPrice(ctx context.Context, gasPrice hexutil.Big) bool

SetGasPrice sets the minimum accepted gas price for the miner.

func (*PrivateMinerAPI) Start 

func (api *PrivateMinerAPI) Start(threads *int) error

Start the miner with the given number of threads. If threads is nil the number of workers started is equal to the number of logical CPUs that are usable by this process. If mining is already running, this method adjust the number of threads allowed to use.

func (*PrivateMinerAPI) Stop 

func (api *PrivateMinerAPI) Stop() bool

Stop the miner

type ProtocolManager added in v0.9.20 

type ProtocolManager struct {
	SubProtocols []p2p.Protocol
	// contains filtered or unexported fields
}

func NewProtocolManager added in v0.9.20 

func NewProtocolManager(config *params.ChainConfig, mode downloader.SyncMode, networkId uint64, mux *event.TypeMux, txpool txPool, engine consensus.Engine, blockchain *core.BlockChain, chaindb ethdb.Database) (*ProtocolManager, error)

NewProtocolManager returns a new ethereum sub protocol manager. The GoChain sub protocol manages peers capable with the ethereum network.

func (*ProtocolManager) BroadcastBlock added in v0.9.20 

func (pm *ProtocolManager) BroadcastBlock(ctx context.Context, block *types.Block, propagate bool)

BroadcastBlock will either propagate a block to a subset of it's peers, or will only announce it's availability (depending what's requested).

func (*ProtocolManager) BroadcastTxs 

func (pm *ProtocolManager) BroadcastTxs(ctx context.Context, txs types.Transactions)

BroadcastTxs propagates a batch of transactions to a subset of peers which are not known to already have them. Returns without blocking after launching each peer send in separate concurrent goroutines.

func (*ProtocolManager) NodeInfo 

func (pm *ProtocolManager) NodeInfo() *NodeInfo

NodeInfo retrieves some protocol metadata about the running host node.

func (*ProtocolManager) Start added in v0.9.20 

func (pm *ProtocolManager) Start(maxPeers int)

func (*ProtocolManager) Stop added in v0.9.20 

func (pm *ProtocolManager) Stop()

type PublicDebugAPI 

type PublicDebugAPI struct {
	// contains filtered or unexported fields
}

PublicDebugAPI is the collection of GoChain full node APIs exposed over the public debugging endpoint.

func NewPublicDebugAPI 

func NewPublicDebugAPI(eth *GoChain) *PublicDebugAPI

NewPublicDebugAPI creates a new API definition for the full node- related public debug methods of the GoChain service.

func (*PublicDebugAPI) DumpBlock 

func (api *PublicDebugAPI) DumpBlock(ctx context.Context, blockNr rpc.BlockNumber) (state.Dump, error)

DumpBlock retrieves the entire state of the database at a given block.

type PublicEthereumAPI 

type PublicEthereumAPI struct {
	// contains filtered or unexported fields
}

PublicEthereumAPI provides an API to access GoChain full node-related information.

func NewPublicEthereumAPI 

func NewPublicEthereumAPI(e *GoChain) *PublicEthereumAPI

NewPublicEthereumAPI creates a new GoChain protocol API for full nodes.

func (*PublicEthereumAPI) Coinbase 

func (api *PublicEthereumAPI) Coinbase() (common.Address, error)

Coinbase is the address that mining rewards will be send to (alias for Etherbase)

func (*PublicEthereumAPI) Etherbase 

func (api *PublicEthereumAPI) Etherbase() (common.Address, error)

Etherbase is the address that mining rewards will be send to

type PublicMinerAPI 

type PublicMinerAPI struct {
	// contains filtered or unexported fields
}

PublicMinerAPI provides an API to control the miner. It offers only methods that operate on data that pose no security risk when it is publicly accessible.

func NewPublicMinerAPI 

func NewPublicMinerAPI(e *GoChain) *PublicMinerAPI

NewPublicMinerAPI create a new PublicMinerAPI instance.

func (*PublicMinerAPI) Mining 

func (api *PublicMinerAPI) Mining() bool

Mining returns an indication if this node is currently mining.

type StorageRangeResult 

type StorageRangeResult struct {
	Storage storageMap   `json:"storage"`
	NextKey *common.Hash `json:"nextKey"` // nil if Storage includes the last key in the trie.
}

StorageRangeResult is the result of a debug_storageRangeAt API call.

type TraceConfig 

type TraceConfig struct {
	*vm.LogConfig
	Tracer  *string
	Timeout *string
	Reexec  *uint64
}

TraceConfig holds extra parameters to trace functions.

Source Files

View all Source files

Directories

Path Synopsis
Package downloader contains the manual full chain synchronisation.
 Package downloader contains the manual full chain synchronisation.
Package fetcher contains the block announcement based synchronisation.
 Package fetcher contains the block announcement based synchronisation.
Package filters implements an ethereum filtering system for block, transactions and log events.
 Package filters implements an ethereum filtering system for block, transactions and log events.
Package tracers is a collection of JavaScript transaction tracers.
 Package tracers is a collection of JavaScript transaction tracers.
internal/tracers
Package tracers contains the actual JavaScript tracer assets.
 Package tracers contains the actual JavaScript tracer assets.

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