Add explorer api worker
This commit is contained in:
Martin Boehm
parent
278b18a37f
commit
604b41f10a
49
api/types.go
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49
api/types.go
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@ -0,0 +1,49 @@
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package api
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type ScriptSig struct {
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Hex string `json:"hex"`
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Asm string `json:"asm,omitempty"`
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}
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type Vin struct {
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Txid string `json:"txid"`
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Vout uint32 `json:"vout"`
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Sequence int64 `json:"sequence,omitempty"`
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N int `json:"n"`
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ScriptSig ScriptSig `json:"scriptSig"`
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Addr string `json:"addr"`
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ValueSat int64 `json:"valueSat"`
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Value float64 `json:"value"`
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}
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type ScriptPubKey struct {
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Hex string `json:"hex"`
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Asm string `json:"asm,omitempty"`
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Addresses []string `json:"addresses"`
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Type string `json:"type,omitempty"`
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}
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type Vout struct {
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Value float64 `json:"value"`
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N int `json:"n"`
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ScriptPubKey ScriptPubKey `json:"scriptPubKey"`
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SpentTxID string `json:"spentTxId,omitempty"`
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SpentIndex int `json:"spentIndex,omitempty"`
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SpentHeight int `json:"spentHeight,omitempty"`
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}
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type Tx struct {
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Txid string `json:"txid"`
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Version int32 `json:"version,omitempty"`
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Locktime uint32 `json:"locktime,omitempty"`
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Vin []Vin `json:"vin"`
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Vout []Vout `json:"vout"`
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Blockhash string `json:"blockhash,omitempty"`
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Blockheight int `json:"blockheight"`
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Confirmations uint32 `json:"confirmations"`
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Time int64 `json:"time,omitempty"`
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Blocktime int64 `json:"blocktime"`
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ValueOut float64 `json:"valueOut"`
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Size int `json:"size,omitempty"`
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ValueIn float64 `json:"valueIn"`
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Fees float64 `json:"fees"`
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}
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95
api/worker.go
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95
api/worker.go
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@ -0,0 +1,95 @@
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package api
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import (
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"blockbook/bchain"
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"blockbook/db"
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)
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// Worker is handle to api worker
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type Worker struct {
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db *db.RocksDB
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txCache *db.TxCache
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chain bchain.BlockChain
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chainParser bchain.BlockChainParser
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}
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// NewWorker creates new api worker
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func NewWorker(db *db.RocksDB, chain bchain.BlockChain, txCache *db.TxCache) (*Worker, error) {
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w := &Worker{
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db: db,
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txCache: txCache,
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chain: chain,
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chainParser: chain.GetChainParser(),
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}
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return w, nil
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}
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func (w *Worker) GetTransaction(txid string, bestheight uint32, spendingTx bool) (*Tx, error) {
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bchainTx, height, err := w.txCache.GetTransaction(txid, bestheight)
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if err != nil {
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return nil, err
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}
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var blockhash string
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if bchainTx.Confirmations > 0 {
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blockhash, err = w.db.GetBlockHash(height)
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if err != nil {
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return nil, err
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}
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}
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var valIn, valOut, fees float64
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vins := make([]Vin, len(bchainTx.Vin))
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for i := range bchainTx.Vin {
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bchainVin := &bchainTx.Vin[i]
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vin := &vins[i]
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vin.Txid = bchainVin.Txid
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vin.N = i
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vin.Vout = bchainVin.Vout
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vin.ScriptSig.Hex = bchainVin.ScriptSig.Hex
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otx, _, err := w.txCache.GetTransaction(bchainVin.Txid, bestheight)
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if err != nil {
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return nil, err
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}
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if len(otx.Vout) > int(vin.Vout) {
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vout := &otx.Vout[vin.Vout]
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vin.Value = vout.Value
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valIn += vout.Value
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vin.ValueSat = int64(vout.Value*1E8 + 0.5)
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if vout.Address != nil {
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a := vout.Address.String()
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vin.Addr = a
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}
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}
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}
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vouts := make([]Vout, len(bchainTx.Vout))
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for i := range bchainTx.Vout {
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bchainVout := &bchainTx.Vout[i]
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vout := &vouts[i]
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vout.N = i
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vout.Value = bchainVout.Value
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valOut += bchainVout.Value
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vout.ScriptPubKey.Hex = bchainVout.ScriptPubKey.Hex
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vout.ScriptPubKey.Addresses = bchainVout.ScriptPubKey.Addresses
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if spendingTx {
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// TODO
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}
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}
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// for now do not return size, we would have to compute vsize of segwit transactions
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// size:=len(bchainTx.Hex) / 2
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fees = valIn - valOut
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r := &Tx{
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Blockhash: blockhash,
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Blockheight: int(height),
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Blocktime: bchainTx.Blocktime,
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Confirmations: bchainTx.Confirmations,
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Fees: fees,
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Locktime: bchainTx.LockTime,
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Time: bchainTx.Time,
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Txid: txid,
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ValueIn: valIn,
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ValueOut: valOut,
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Version: bchainTx.Version,
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Vin: vins,
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Vout: vouts,
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}
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return r, nil
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}
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@ -58,9 +58,9 @@ type Vout struct {
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// Tx is blockchain transaction
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// unnecessary fields are commented out to avoid overhead
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type Tx struct {
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Hex string `json:"hex"`
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Txid string `json:"txid"`
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// Version int32 `json:"version"`
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Hex string `json:"hex"`
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Txid string `json:"txid"`
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Version int32 `json:"version"`
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LockTime uint32 `json:"locktime"`
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Vin []Vin `json:"vin"`
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Vout []Vout `json:"vout"`
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@ -1,6 +1,7 @@
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package server
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import (
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"blockbook/api"
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"blockbook/bchain"
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"blockbook/common"
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"blockbook/db"
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@ -27,6 +28,7 @@ type PublicServer struct {
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txCache *db.TxCache
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chain bchain.BlockChain
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chainParser bchain.BlockChainParser
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api *api.Worker
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explorerURL string
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metrics *common.Metrics
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is *common.InternalState
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@ -35,6 +37,11 @@ type PublicServer struct {
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// NewPublicServerS creates new public server http interface to blockbook and returns its handle
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func NewPublicServer(binding string, certFiles string, db *db.RocksDB, chain bchain.BlockChain, txCache *db.TxCache, explorerURL string, metrics *common.Metrics, is *common.InternalState) (*PublicServer, error) {
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api, err := api.NewWorker(db, chain, txCache)
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if err != nil {
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return nil, err
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}
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socketio, err := NewSocketIoServer(db, chain, txCache, metrics, is)
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if err != nil {
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return nil, err
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@ -51,6 +58,7 @@ func NewPublicServer(binding string, certFiles string, db *db.RocksDB, chain bch
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binding: binding,
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certFiles: certFiles,
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https: https,
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api: api,
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socketio: socketio,
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db: db,
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txCache: txCache,
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@ -66,6 +74,8 @@ func NewPublicServer(binding string, certFiles string, db *db.RocksDB, chain bch
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// redirect to Bitcore for details of transaction
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serveMux.HandleFunc(path+"tx/", s.txRedirect)
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serveMux.HandleFunc(path+"address/", s.addressRedirect)
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// explorer
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serveMux.HandleFunc(path+"explorer/tx/", s.explorerTx)
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// API call used to detect state of Blockbook
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serveMux.HandleFunc(path+"api/block-index/", s.apiBlockIndex)
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// handle socket.io
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@ -139,6 +149,25 @@ func (s *PublicServer) addressRedirect(w http.ResponseWriter, r *http.Request) {
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}
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}
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func (s *PublicServer) explorerTx(w http.ResponseWriter, r *http.Request) {
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var tx *api.Tx
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var err error
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if i := strings.LastIndexByte(r.URL.Path, '/'); i > 0 {
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txid := r.URL.Path[i+1:]
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bestheight, _, err := s.db.GetBestBlock()
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if err == nil {
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tx, err = s.api.GetTransaction(txid, bestheight, true)
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}
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}
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if err == nil {
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buf, err := json.MarshalIndent(tx, "", " ")
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if err != nil {
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glog.Error(err)
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}
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w.Write(buf)
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}
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}
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type resAboutBlockbookPublic struct {
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Coin string `json:"coin"`
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Host string `json:"host"`
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@ -598,7 +598,7 @@ func (s *SocketIoServer) getDetailedTransaction(txid string) (res resultGetDetai
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return res, err
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}
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if len(otx.Vout) > int(vin.Vout) {
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vout := otx.Vout[vin.Vout]
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vout := &otx.Vout[vin.Vout]
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if vout.Address != nil {
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a := vout.Address.String()
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ai.Address = &a
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