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871 lines
25 KiB
871 lines
25 KiB
package explorer
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import (
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"context"
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"encoding/json"
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"fmt"
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"math/big"
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"net"
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"net/http"
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"os"
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"strconv"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/gorilla/mux"
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libp2p_peer "github.com/libp2p/go-libp2p-peer"
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"github.com/harmony-one/bls/ffi/go/bls"
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msg_pb "github.com/harmony-one/harmony/api/proto/message"
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"github.com/harmony-one/harmony/core/types"
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bls2 "github.com/harmony-one/harmony/crypto/bls"
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"github.com/harmony-one/harmony/internal/bech32"
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common2 "github.com/harmony-one/harmony/internal/common"
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"github.com/harmony-one/harmony/internal/ctxerror"
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"github.com/harmony-one/harmony/internal/utils"
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"github.com/harmony-one/harmony/p2p"
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"github.com/harmony-one/harmony/shard"
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)
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// Constants for explorer service.
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const (
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explorerPortDifference = 4000
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paginationOffset = 10
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txViewNone = "NONE"
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txViewAll = "ALL"
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)
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// HTTPError is an HTTP error.
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type HTTPError struct {
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Code int
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Msg string
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}
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// Service is the struct for explorer service.
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type Service struct {
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router *mux.Router
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IP string
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Port string
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GetNodeIDs func() []libp2p_peer.ID
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ShardID uint32
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Storage *Storage
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server *http.Server
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messageChan chan *msg_pb.Message
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GetAccountBalance func(common.Address) (*big.Int, error)
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}
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// New returns explorer service.
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func New(selfPeer *p2p.Peer, shardID uint32, GetNodeIDs func() []libp2p_peer.ID, GetAccountBalance func(common.Address) (*big.Int, error)) *Service {
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return &Service{
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IP: selfPeer.IP,
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Port: selfPeer.Port,
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ShardID: shardID,
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GetNodeIDs: GetNodeIDs,
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GetAccountBalance: GetAccountBalance,
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}
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}
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// ServiceAPI is rpc api.
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type ServiceAPI struct {
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Service *Service
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}
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// NewServiceAPI returns explorer service api.
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func NewServiceAPI(explorerService *Service) *ServiceAPI {
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return &ServiceAPI{Service: explorerService}
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}
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// StartService starts explorer service.
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func (s *Service) StartService() {
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utils.Logger().Info().Msg("Starting explorer service.")
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s.Init(true)
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s.server = s.Run()
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}
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// StopService shutdowns explorer service.
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func (s *Service) StopService() {
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utils.Logger().Info().Msg("Shutting down explorer service.")
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if err := s.server.Shutdown(context.Background()); err != nil {
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utils.Logger().Error().Err(err).Msg("Error when shutting down explorer server")
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} else {
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utils.Logger().Info().Msg("Shutting down explorer server successufully")
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}
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}
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// GetExplorerPort returns the port serving explorer dashboard. This port is explorerPortDifference less than the node port.
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func GetExplorerPort(nodePort string) string {
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if port, err := strconv.Atoi(nodePort); err == nil {
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return fmt.Sprintf("%d", port-explorerPortDifference)
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}
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utils.Logger().Error().Msg("error on parsing.")
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return ""
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}
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// Init is to initialize for ExplorerService.
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func (s *Service) Init(remove bool) {
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s.Storage = GetStorageInstance(s.IP, s.Port, remove)
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}
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// Run is to run serving explorer.
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func (s *Service) Run() *http.Server {
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// Init address.
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addr := net.JoinHostPort("", GetExplorerPort(s.Port))
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s.router = mux.NewRouter()
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// Set up router for blocks.
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// Blocks are divided into pages in consequent groups of offset size.
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s.router.Path("/blocks").Queries("from", "{[0-9]*?}", "to", "{[0-9]*?}", "page", "{[0-9]*?}", "offset", "{[0-9]*?}").HandlerFunc(s.GetExplorerBlocks).Methods("GET")
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s.router.Path("/blocks").HandlerFunc(s.GetExplorerBlocks)
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// Set up router for tx.
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s.router.Path("/tx").Queries("id", "{[0-9A-Fa-fx]*?}").HandlerFunc(s.GetExplorerTransaction).Methods("GET")
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s.router.Path("/tx").HandlerFunc(s.GetExplorerTransaction)
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// Set up router for address.
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// Address transactions are divided into pages in consequent groups of offset size.
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s.router.Path("/address").Queries("id", fmt.Sprintf("{([0-9A-Fa-fx]*?)|(t?one1[%s]{38})}", bech32.Charset), "tx_view", "{[A-Z]*?}", "page", "{[0-9]*?}", "offset", "{[0-9]*?}").HandlerFunc(s.GetExplorerAddress).Methods("GET")
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s.router.Path("/address").HandlerFunc(s.GetExplorerAddress)
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// Set up router for node count.
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s.router.Path("/nodes").HandlerFunc(s.GetExplorerNodeCount) // TODO(ricl): this is going to be replaced by /node-count
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s.router.Path("/node-count").HandlerFunc(s.GetExplorerNodeCount)
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// Set up router for shard
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s.router.Path("/shard").Queries("id", "{[0-9]*?}").HandlerFunc(s.GetExplorerShard).Methods("GET")
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s.router.Path("/shard").HandlerFunc(s.GetExplorerShard)
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// Set up router for committee.
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s.router.Path("/committee").Queries("shard_id", "{[0-9]*?}", "epoch", "{[0-9]*?}").HandlerFunc(s.GetExplorerCommittee).Methods("GET")
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s.router.Path("/committee").HandlerFunc(s.GetExplorerCommittee).Methods("GET")
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// Do serving now.
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utils.Logger().Info().Str("port", GetExplorerPort(s.Port)).Msg("Listening")
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server := &http.Server{Addr: addr, Handler: s.router}
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go func() {
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if err := server.ListenAndServe(); err != nil {
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utils.Logger().Warn().Err(err).Msg("server.ListenAndServe()")
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}
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}()
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return server
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}
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// ReadBlocksFromDB returns a list of types.Block to server blocks end-point.
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func (s *Service) ReadBlocksFromDB(from, to int) []*types.Block {
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blocks := []*types.Block{}
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for i := from - 1; i <= to+1; i++ {
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if i < 0 {
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blocks = append(blocks, nil)
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continue
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}
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key := GetBlockKey(i)
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data, err := s.Storage.db.Get([]byte(key))
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if err != nil {
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blocks = append(blocks, nil)
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continue
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}
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block := new(types.Block)
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if rlp.DecodeBytes(data, block) != nil {
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utils.Logger().Error().Msg("Error on getting from db")
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os.Exit(1)
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}
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blocks = append(blocks, block)
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}
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return blocks
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}
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// GetExplorerBlocks serves end-point /blocks
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func (s *Service) GetExplorerBlocks(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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from := r.FormValue("from")
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to := r.FormValue("to")
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pageParam := r.FormValue("page")
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offsetParam := r.FormValue("offset")
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withSignersParam := r.FormValue("with_signers")
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withSigners := false
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if withSignersParam == "true" {
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withSigners = true
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}
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data := &Data{
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Blocks: []*Block{},
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}
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defer func() {
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if err := json.NewEncoder(w).Encode(data.Blocks); err != nil {
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utils.Logger().Warn().Err(err).Msg("cannot JSON-encode blocks")
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}
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}()
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if from == "" {
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utils.Logger().Warn().Msg("Missing from parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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db := s.Storage.GetDB()
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fromInt, err := strconv.Atoi(from)
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if err != nil {
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utils.Logger().Warn().Err(err).Msg("invalid from parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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var toInt int
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if to == "" {
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toInt, err = func() (int, error) {
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bytes, err := db.Get([]byte(BlockHeightKey))
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if err == nil {
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return strconv.Atoi(string(bytes))
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}
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return toInt, err
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}()
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} else {
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toInt, err = strconv.Atoi(to)
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}
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if err != nil {
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utils.Logger().Warn().Err(err).Msg("invalid to parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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var offset int
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if offsetParam != "" {
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offset, err = strconv.Atoi(offsetParam)
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if err != nil || offset < 1 {
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utils.Logger().Warn().Msg("invalid offset parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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} else {
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offset = paginationOffset
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}
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var page int
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if pageParam != "" {
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page, err = strconv.Atoi(pageParam)
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if err != nil {
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utils.Logger().Warn().Err(err).Msg("invalid page parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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} else {
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page = 0
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}
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accountBlocks := s.ReadBlocksFromDB(fromInt, toInt)
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curEpoch := int64(-1)
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committee := &shard.Committee{}
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if withSigners {
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if bytes, err := db.Get([]byte(GetCommitteeKey(uint32(s.ShardID), 0))); err == nil {
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if err = rlp.DecodeBytes(bytes, committee); err != nil {
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utils.Logger().Warn().Err(err).Msg("cannot read committee for new epoch")
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}
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}
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}
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for id, accountBlock := range accountBlocks {
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if id == 0 || id == len(accountBlocks)-1 || accountBlock == nil {
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continue
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}
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block := NewBlock(accountBlock, id+fromInt-1)
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if withSigners && int64(block.Epoch) > curEpoch {
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if accountBlocks[id-1] != nil {
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state, err := accountBlocks[id-1].Header().GetShardState()
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if err == nil {
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for _, shardCommittee := range state {
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if shardCommittee.ShardID == accountBlock.ShardID() {
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committee = &shardCommittee
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break
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}
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}
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} else {
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utils.Logger().Warn().Err(err).Msg("error parsing shard state")
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}
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}
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curEpoch = int64(block.Epoch)
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}
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if withSigners {
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pubkeys := make([]*bls.PublicKey, len(committee.NodeList))
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for i, validator := range committee.NodeList {
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pubkeys[i] = new(bls.PublicKey)
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validator.BlsPublicKey.ToLibBLSPublicKey(pubkeys[i])
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}
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mask, err := bls2.NewMask(pubkeys, nil)
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if err == nil && accountBlocks[id+1] != nil {
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err = mask.SetMask(accountBlocks[id+1].Header().LastCommitBitmap())
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if err == nil {
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for _, validator := range committee.NodeList {
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oneAddress, err := common2.AddressToBech32(validator.EcdsaAddress)
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if err != nil {
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continue
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}
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blsPublicKey := new(bls.PublicKey)
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validator.BlsPublicKey.ToLibBLSPublicKey(blsPublicKey)
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if ok, err := mask.KeyEnabled(blsPublicKey); err == nil && ok {
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block.Signers = append(block.Signers, oneAddress)
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}
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}
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}
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}
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}
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// Populate transactions
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for _, tx := range accountBlock.Transactions() {
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transaction := GetTransaction(tx, accountBlock)
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if transaction != nil {
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block.TXs = append(block.TXs, transaction)
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}
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}
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if accountBlocks[id-1] == nil {
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block.BlockTime = int64(0)
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block.PrevBlock = RefBlock{
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ID: "",
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Height: "",
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}
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} else {
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block.BlockTime = accountBlock.Time().Int64() - accountBlocks[id-1].Time().Int64()
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block.PrevBlock = RefBlock{
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ID: accountBlocks[id-1].Hash().Hex(),
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Height: strconv.Itoa(id + fromInt - 2),
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}
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}
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if accountBlocks[id+1] == nil {
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block.NextBlock = RefBlock{
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ID: "",
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Height: "",
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}
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} else {
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block.NextBlock = RefBlock{
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ID: accountBlocks[id+1].Hash().Hex(),
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Height: strconv.Itoa(id + fromInt),
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}
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}
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data.Blocks = append(data.Blocks, block)
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}
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if offset*page+offset > len(data.Blocks) {
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data.Blocks = data.Blocks[offset*page:]
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} else {
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data.Blocks = data.Blocks[offset*page : offset*page+offset]
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}
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}
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// GetExplorerBlocks rpc end-point.
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func (s *ServiceAPI) GetExplorerBlocks(ctx context.Context, from, to, page, offset int, withSigners bool) ([]*Block, error) {
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if offset == 0 {
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offset = paginationOffset
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}
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db := s.Service.Storage.GetDB()
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if to == 0 {
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bytes, err := db.Get([]byte(BlockHeightKey))
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if err == nil {
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to, err = strconv.Atoi(string(bytes))
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if err != nil {
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utils.Logger().Info().Msg("failed to fetch block height")
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return nil, err
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}
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}
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}
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blocks := make([]*Block, 0)
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accountBlocks := s.Service.ReadBlocksFromDB(from, to)
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curEpoch := int64(-1)
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committee := &shard.Committee{}
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if withSigners {
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if bytes, err := db.Get([]byte(GetCommitteeKey(uint32(s.Service.ShardID), 0))); err == nil {
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if err = rlp.DecodeBytes(bytes, committee); err != nil {
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utils.Logger().Warn().Err(err).Msg("cannot read committee for new epoch")
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}
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}
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}
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for id, accountBlock := range accountBlocks {
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if id == 0 || id == len(accountBlocks)-1 || accountBlock == nil {
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continue
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}
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block := NewBlock(accountBlock, id+from-1)
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if withSigners && int64(block.Epoch) > curEpoch {
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if accountBlocks[id-1] != nil {
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state, err := accountBlocks[id-1].Header().GetShardState()
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if err == nil {
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for _, shardCommittee := range state {
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if shardCommittee.ShardID == accountBlock.ShardID() {
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committee = &shardCommittee
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break
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}
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}
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}
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}
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curEpoch = int64(block.Epoch)
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}
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if withSigners {
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pubkeys := make([]*bls.PublicKey, len(committee.NodeList))
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for i, validator := range committee.NodeList {
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pubkeys[i] = new(bls.PublicKey)
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validator.BlsPublicKey.ToLibBLSPublicKey(pubkeys[i])
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}
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mask, err := bls2.NewMask(pubkeys, nil)
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if err == nil && accountBlocks[id+1] != nil {
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err = mask.SetMask(accountBlocks[id+1].Header().LastCommitBitmap())
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if err == nil {
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for _, validator := range committee.NodeList {
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oneAddress, err := common2.AddressToBech32(validator.EcdsaAddress)
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if err != nil {
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continue
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}
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blsPublicKey := new(bls.PublicKey)
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validator.BlsPublicKey.ToLibBLSPublicKey(blsPublicKey)
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if ok, err := mask.KeyEnabled(blsPublicKey); err == nil && ok {
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block.Signers = append(block.Signers, oneAddress)
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}
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}
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}
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}
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}
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// Populate transactions
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for _, tx := range accountBlock.Transactions() {
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transaction := GetTransaction(tx, accountBlock)
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if transaction != nil {
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block.TXs = append(block.TXs, transaction)
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}
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}
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if accountBlocks[id-1] == nil {
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block.BlockTime = int64(0)
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block.PrevBlock = RefBlock{
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ID: "",
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Height: "",
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}
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} else {
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block.BlockTime = accountBlock.Time().Int64() - accountBlocks[id-1].Time().Int64()
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block.PrevBlock = RefBlock{
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ID: accountBlocks[id-1].Hash().Hex(),
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Height: strconv.Itoa(id + from - 2),
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}
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}
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if accountBlocks[id+1] == nil {
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block.NextBlock = RefBlock{
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ID: "",
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Height: "",
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}
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} else {
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block.NextBlock = RefBlock{
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ID: accountBlocks[id+1].Hash().Hex(),
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Height: strconv.Itoa(id + from),
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}
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}
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blocks = append(blocks, block)
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}
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if offset*page+offset > len(blocks) {
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blocks = blocks[offset*page:]
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} else {
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blocks = blocks[offset*page : offset*page+offset]
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}
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return blocks, nil
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}
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// GetExplorerTransaction servers /tx end-point.
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func (s *Service) GetExplorerTransaction(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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id := r.FormValue("id")
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data := &Data{}
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defer func() {
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if err := json.NewEncoder(w).Encode(data.TX); err != nil {
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utils.Logger().Warn().Err(err).Msg("cannot JSON-encode TX")
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}
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}()
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if id == "" {
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utils.Logger().Warn().Msg("invalid id parameter")
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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db := s.Storage.GetDB()
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bytes, err := db.Get([]byte(GetTXKey(id)))
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if err != nil {
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utils.Logger().Warn().Err(err).Str("id", id).Msg("cannot read TX")
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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tx := new(Transaction)
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if rlp.DecodeBytes(bytes, tx) != nil {
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utils.Logger().Warn().Str("id", id).Msg("cannot convert data from DB")
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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data.TX = *tx
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}
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// GetExplorerTransaction rpc end-point.
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func (s *ServiceAPI) GetExplorerTransaction(ctx context.Context, id string) (*Transaction, error) {
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if id == "" {
|
|
utils.Logger().Warn().Msg("invalid id parameter")
|
|
return nil, nil
|
|
}
|
|
db := s.Service.Storage.GetDB()
|
|
bytes, err := db.Get([]byte(GetTXKey(id)))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Str("id", id).Msg("cannot read TX")
|
|
return nil, err
|
|
}
|
|
tx := new(Transaction)
|
|
if rlp.DecodeBytes(bytes, tx) != nil {
|
|
utils.Logger().Warn().Str("id", id).Msg("cannot convert data from DB")
|
|
return nil, err
|
|
}
|
|
return tx, nil
|
|
}
|
|
|
|
// GetExplorerCommittee servers /comittee end-point.
|
|
func (s *Service) GetExplorerCommittee(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
shardIDRead := r.FormValue("shard_id")
|
|
epochRead := r.FormValue("epoch")
|
|
shardID := uint64(0)
|
|
epoch := uint64(0)
|
|
var err error
|
|
if shardIDRead != "" {
|
|
shardID, err = strconv.ParseUint(shardIDRead, 10, 32)
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot read shard id")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
}
|
|
if epochRead != "" {
|
|
epoch, err = strconv.ParseUint(epochRead, 10, 64)
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot read shard epoch")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
}
|
|
if s.ShardID != uint32(shardID) {
|
|
utils.Logger().Warn().Msg("incorrect shard id")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
// fetch current epoch if epoch is 0
|
|
db := s.Storage.GetDB()
|
|
if epoch == 0 {
|
|
bytes, err := db.Get([]byte(BlockHeightKey))
|
|
blockHeight, err := strconv.Atoi(string(bytes))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot decode block height from DB")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
key := GetBlockKey(blockHeight)
|
|
data, err := db.Get([]byte(key))
|
|
block := new(types.Block)
|
|
if rlp.DecodeBytes(data, block) != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot get block from db")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
epoch = block.Epoch().Uint64()
|
|
}
|
|
bytes, err := db.Get([]byte(GetCommitteeKey(uint32(shardID), epoch)))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot read committee")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
committee := &shard.Committee{}
|
|
if err := rlp.DecodeBytes(bytes, committee); err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot decode committee data from DB")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
validators := &Committee{}
|
|
for _, validator := range committee.NodeList {
|
|
validatorBalance := big.NewInt(0)
|
|
validatorBalance, err := s.GetAccountBalance(validator.EcdsaAddress)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
oneAddress, err := common2.AddressToBech32(validator.EcdsaAddress)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
validators.Validators = append(validators.Validators, &Validator{Address: oneAddress, Balance: validatorBalance})
|
|
}
|
|
if err := json.NewEncoder(w).Encode(validators); err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot JSON-encode committee")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
}
|
|
}
|
|
|
|
// GetExplorerCommittee rpc end-point.
|
|
func (s *ServiceAPI) GetExplorerCommittee(ctx context.Context, shardID uint32, epoch uint64) (*Committee, error) {
|
|
if s.Service.ShardID != uint32(shardID) {
|
|
utils.Logger().Warn().Msg("incorrect shard id")
|
|
return nil, nil
|
|
}
|
|
// fetch current epoch if epoch is 0
|
|
db := s.Service.Storage.GetDB()
|
|
if epoch == 0 {
|
|
bytes, err := db.Get([]byte(BlockHeightKey))
|
|
blockHeight, err := strconv.Atoi(string(bytes))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot decode block height from DB")
|
|
return nil, err
|
|
}
|
|
key := GetBlockKey(blockHeight)
|
|
data, err := db.Get([]byte(key))
|
|
block := new(types.Block)
|
|
if rlp.DecodeBytes(data, block) != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot get block from db")
|
|
return nil, err
|
|
}
|
|
epoch = block.Epoch().Uint64()
|
|
}
|
|
bytes, err := db.Get([]byte(GetCommitteeKey(uint32(shardID), epoch)))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot read committee")
|
|
return nil, err
|
|
}
|
|
committee := &shard.Committee{}
|
|
if err := rlp.DecodeBytes(bytes, committee); err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("cannot decode committee data from DB")
|
|
return nil, err
|
|
}
|
|
validators := &Committee{}
|
|
for _, validator := range committee.NodeList {
|
|
validatorBalance := big.NewInt(0)
|
|
validatorBalance, err := s.Service.GetAccountBalance(validator.EcdsaAddress)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
oneAddress, err := common2.AddressToBech32(validator.EcdsaAddress)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
validators.Validators = append(validators.Validators, &Validator{Address: oneAddress, Balance: validatorBalance})
|
|
}
|
|
return validators, nil
|
|
}
|
|
|
|
// GetExplorerAddress serves /address end-point.
|
|
func (s *Service) GetExplorerAddress(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
id := r.FormValue("id")
|
|
key := GetAddressKey(id)
|
|
txViewParam := r.FormValue("tx_view")
|
|
pageParam := r.FormValue("page")
|
|
offsetParam := r.FormValue("offset")
|
|
txView := txViewNone
|
|
if txViewParam != "" {
|
|
txView = txViewParam
|
|
}
|
|
utils.Logger().Info().Str("Address", id).Msg("Querying address")
|
|
data := &Data{}
|
|
defer func() {
|
|
if err := json.NewEncoder(w).Encode(data.Address); err != nil {
|
|
ctxerror.Warn(utils.WithCallerSkip(utils.GetLogInstance(), 1), err,
|
|
"cannot JSON-encode Address")
|
|
}
|
|
}()
|
|
if id == "" {
|
|
utils.Logger().Warn().Msg("missing address id param")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
var err error
|
|
var offset int
|
|
if offsetParam != "" {
|
|
offset, err = strconv.Atoi(offsetParam)
|
|
if err != nil || offset < 1 {
|
|
utils.Logger().Warn().Msg("invalid offset parameter")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
} else {
|
|
offset = paginationOffset
|
|
}
|
|
var page int
|
|
if pageParam != "" {
|
|
page, err = strconv.Atoi(pageParam)
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Msg("invalid page parameter")
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
return
|
|
}
|
|
} else {
|
|
page = 0
|
|
}
|
|
|
|
data.Address.ID = id
|
|
// Try to populate the banace by directly calling get balance.
|
|
// Check the balance from blockchain rather than local DB dump
|
|
balanceAddr := big.NewInt(0)
|
|
if s.GetAccountBalance != nil {
|
|
address := common2.ParseAddr(id)
|
|
balance, err := s.GetAccountBalance(address)
|
|
if err == nil {
|
|
balanceAddr = balance
|
|
data.Address.Balance = balance
|
|
}
|
|
}
|
|
|
|
db := s.Storage.GetDB()
|
|
bytes, err := db.Get([]byte(key))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Str("id", id).Msg("cannot read address from db")
|
|
return
|
|
}
|
|
if err = rlp.DecodeBytes(bytes, &data.Address); err != nil {
|
|
utils.Logger().Warn().Str("id", id).Msg("cannot convert data from DB")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
return
|
|
}
|
|
if balanceAddr.Cmp(big.NewInt(0)) != 0 {
|
|
data.Address.Balance = balanceAddr
|
|
}
|
|
switch txView {
|
|
case txViewNone:
|
|
data.Address.TXs = nil
|
|
case Received:
|
|
receivedTXs := make([]*Transaction, 0)
|
|
for _, tx := range data.Address.TXs {
|
|
if tx.Type == Received {
|
|
receivedTXs = append(receivedTXs, tx)
|
|
}
|
|
}
|
|
data.Address.TXs = receivedTXs
|
|
case Sent:
|
|
sentTXs := make([]*Transaction, 0)
|
|
for _, tx := range data.Address.TXs {
|
|
if tx.Type == Sent {
|
|
sentTXs = append(sentTXs, tx)
|
|
}
|
|
}
|
|
data.Address.TXs = sentTXs
|
|
}
|
|
if offset*page+offset > len(data.Address.TXs) {
|
|
data.Address.TXs = data.Address.TXs[offset*page:]
|
|
} else {
|
|
data.Address.TXs = data.Address.TXs[offset*page : offset*page+offset]
|
|
}
|
|
}
|
|
|
|
// GetExplorerAddress rpc end-point.
|
|
func (s *ServiceAPI) GetExplorerAddress(ctx context.Context, id, txView string, page, offset int) (*Address, error) {
|
|
if offset == 0 {
|
|
offset = paginationOffset
|
|
}
|
|
if txView == "" {
|
|
txView = txViewNone
|
|
}
|
|
utils.Logger().Info().Str("Address", id).Msg("Querying address")
|
|
if id == "" {
|
|
utils.Logger().Warn().Msg("missing address id param")
|
|
return nil, nil
|
|
}
|
|
address := &Address{}
|
|
address.ID = id
|
|
// Try to populate the banace by directly calling get balance.
|
|
// Check the balance from blockchain rather than local DB dump
|
|
balanceAddr := big.NewInt(0)
|
|
if s.Service.GetAccountBalance != nil {
|
|
addr := common2.ParseAddr(id)
|
|
balance, err := s.Service.GetAccountBalance(addr)
|
|
if err == nil {
|
|
balanceAddr = balance
|
|
address.Balance = balance
|
|
}
|
|
}
|
|
|
|
key := GetAddressKey(id)
|
|
db := s.Service.Storage.GetDB()
|
|
bytes, err := db.Get([]byte(key))
|
|
if err != nil {
|
|
utils.Logger().Warn().Err(err).Str("id", id).Msg("cannot read address from db")
|
|
return address, nil
|
|
}
|
|
if err = rlp.DecodeBytes(bytes, &address); err != nil {
|
|
utils.Logger().Warn().Str("id", id).Msg("cannot convert data from DB")
|
|
return nil, err
|
|
}
|
|
if balanceAddr.Cmp(big.NewInt(0)) != 0 {
|
|
address.Balance = balanceAddr
|
|
}
|
|
switch txView {
|
|
case txViewNone:
|
|
address.TXs = nil
|
|
case Received:
|
|
receivedTXs := make([]*Transaction, 0)
|
|
for _, tx := range address.TXs {
|
|
if tx.Type == Received {
|
|
receivedTXs = append(receivedTXs, tx)
|
|
}
|
|
}
|
|
address.TXs = receivedTXs
|
|
case Sent:
|
|
sentTXs := make([]*Transaction, 0)
|
|
for _, tx := range address.TXs {
|
|
if tx.Type == Sent {
|
|
sentTXs = append(sentTXs, tx)
|
|
}
|
|
}
|
|
address.TXs = sentTXs
|
|
}
|
|
if offset*page+offset > len(address.TXs) {
|
|
address.TXs = address.TXs[offset*page:]
|
|
} else {
|
|
address.TXs = address.TXs[offset*page : offset*page+offset]
|
|
}
|
|
return address, nil
|
|
}
|
|
|
|
// GetExplorerNodeCount serves /nodes end-point.
|
|
func (s *Service) GetExplorerNodeCount(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
if err := json.NewEncoder(w).Encode(len(s.GetNodeIDs())); err != nil {
|
|
utils.Logger().Warn().Msg("cannot JSON-encode node count")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
}
|
|
}
|
|
|
|
// GetExplorerNodeCount rpc end-point.
|
|
func (s *ServiceAPI) GetExplorerNodeCount(ctx context.Context) int {
|
|
return len(s.Service.GetNodeIDs())
|
|
}
|
|
|
|
// GetExplorerShard serves /shard end-point.
|
|
func (s *Service) GetExplorerShard(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
var nodes []Node
|
|
for _, nodeID := range s.GetNodeIDs() {
|
|
nodes = append(nodes, Node{
|
|
ID: libp2p_peer.IDB58Encode(nodeID),
|
|
})
|
|
}
|
|
if err := json.NewEncoder(w).Encode(Shard{Nodes: nodes}); err != nil {
|
|
utils.Logger().Warn().Msg("cannot JSON-encode shard info")
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
}
|
|
}
|
|
|
|
// GetExplorerShard rpc end-point.
|
|
func (s *ServiceAPI) GetExplorerShard(ctx context.Context) *Shard {
|
|
var nodes []Node
|
|
for _, nodeID := range s.Service.GetNodeIDs() {
|
|
nodes = append(nodes, Node{
|
|
ID: libp2p_peer.IDB58Encode(nodeID),
|
|
})
|
|
}
|
|
return &Shard{Nodes: nodes}
|
|
}
|
|
|
|
// NotifyService notify service.
|
|
func (s *Service) NotifyService(params map[string]interface{}) {
|
|
return
|
|
}
|
|
|
|
// SetMessageChan sets up message channel to service.
|
|
func (s *Service) SetMessageChan(messageChan chan *msg_pb.Message) {
|
|
s.messageChan = messageChan
|
|
}
|
|
|
|
// APIs for the services.
|
|
func (s *Service) APIs() []rpc.API {
|
|
return []rpc.API{
|
|
{
|
|
Namespace: "explorer",
|
|
Version: "1.0",
|
|
Service: NewServiceAPI(s),
|
|
Public: true,
|
|
},
|
|
}
|
|
}
|
|
|