1071 lines
32 KiB
Go
1071 lines
32 KiB
Go
package api
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import (
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"blockbook/bchain"
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"blockbook/bchain/coins/eth"
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"blockbook/common"
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"blockbook/db"
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"bytes"
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"encoding/json"
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"fmt"
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"math/big"
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"strconv"
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"time"
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"github.com/golang/glog"
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"github.com/juju/errors"
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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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chainType bchain.ChainType
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is *common.InternalState
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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, is *common.InternalState) (*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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chainType: chain.GetChainParser().GetChainType(),
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is: is,
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}
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return w, nil
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}
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func (w *Worker) getAddressesFromVout(vout *bchain.Vout) (bchain.AddressDescriptor, []string, bool, error) {
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addrDesc, err := w.chainParser.GetAddrDescFromVout(vout)
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if err != nil {
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return nil, nil, false, err
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}
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a, s, err := w.chainParser.GetAddressesFromAddrDesc(addrDesc)
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return addrDesc, a, s, err
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}
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// setSpendingTxToVout is helper function, that finds transaction that spent given output and sets it to the output
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// there is no direct index for the operation, it must be found using addresses -> txaddresses -> tx
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func (w *Worker) setSpendingTxToVout(vout *Vout, txid string, height uint32) error {
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err := w.db.GetAddrDescTransactions(vout.AddrDesc, height, maxUint32, func(t string, height uint32, indexes []int32) error {
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for _, index := range indexes {
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// take only inputs
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if index < 0 {
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index = ^index
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tsp, err := w.db.GetTxAddresses(t)
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if err != nil {
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return err
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} else if tsp == nil {
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glog.Warning("DB inconsistency: tx ", t, ": not found in txAddresses")
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} else if len(tsp.Inputs) > int(index) {
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if tsp.Inputs[index].ValueSat.Cmp((*big.Int)(vout.ValueSat)) == 0 {
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spentTx, spentHeight, err := w.txCache.GetTransaction(t)
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if err != nil {
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glog.Warning("Tx ", t, ": not found")
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} else {
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if len(spentTx.Vin) > int(index) {
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if spentTx.Vin[index].Txid == txid {
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vout.SpentTxID = t
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vout.SpentHeight = int(spentHeight)
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vout.SpentIndex = int(index)
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return &db.StopIteration{}
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}
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}
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}
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}
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}
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}
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}
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return nil
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})
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return err
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}
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// GetSpendingTxid returns transaction id of transaction that spent given output
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func (w *Worker) GetSpendingTxid(txid string, n int) (string, error) {
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start := time.Now()
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tx, err := w.GetTransaction(txid, false, false)
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if err != nil {
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return "", err
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}
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if n >= len(tx.Vout) || n < 0 {
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return "", NewAPIError(fmt.Sprintf("Passed incorrect vout index %v for tx %v, len vout %v", n, tx.Txid, len(tx.Vout)), false)
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}
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err = w.setSpendingTxToVout(&tx.Vout[n], tx.Txid, uint32(tx.Blockheight))
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if err != nil {
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return "", err
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}
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glog.Info("GetSpendingTxid ", txid, " ", n, " finished in ", time.Since(start))
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return tx.Vout[n].SpentTxID, nil
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}
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// GetTransaction reads transaction data from txid
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func (w *Worker) GetTransaction(txid string, spendingTxs bool, specificJSON bool) (*Tx, error) {
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bchainTx, height, err := w.txCache.GetTransaction(txid)
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if err != nil {
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if err == bchain.ErrTxNotFound {
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return nil, NewAPIError(fmt.Sprintf("Transaction '%v' not found", txid), true)
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}
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return nil, NewAPIError(fmt.Sprintf("Transaction '%v' not found (%v)", txid, err), true)
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}
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return w.GetTransactionFromBchainTx(bchainTx, height, spendingTxs, specificJSON)
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}
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// GetTransactionFromBchainTx reads transaction data from txid
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func (w *Worker) GetTransactionFromBchainTx(bchainTx *bchain.Tx, height uint32, spendingTxs bool, specificJSON bool) (*Tx, error) {
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var err error
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var ta *db.TxAddresses
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var tokens []TokenTransfer
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var ethSpecific *EthereumSpecific
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var blockhash string
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if bchainTx.Confirmations > 0 {
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if w.chainType == bchain.ChainBitcoinType {
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ta, err = w.db.GetTxAddresses(bchainTx.Txid)
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if err != nil {
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return nil, errors.Annotatef(err, "GetTxAddresses %v", bchainTx.Txid)
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}
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}
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blockhash, err = w.db.GetBlockHash(height)
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if err != nil {
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return nil, errors.Annotatef(err, "GetBlockHash %v", height)
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}
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}
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var valInSat, valOutSat, feesSat big.Int
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var pValInSat *big.Int
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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.Sequence = int64(bchainVin.Sequence)
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vin.Hex = bchainVin.ScriptSig.Hex
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vin.Coinbase = bchainVin.Coinbase
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if w.chainType == bchain.ChainBitcoinType {
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// bchainVin.Txid=="" is coinbase transaction
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if bchainVin.Txid != "" {
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// load spending addresses from TxAddresses
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tas, err := w.db.GetTxAddresses(bchainVin.Txid)
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if err != nil {
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return nil, errors.Annotatef(err, "GetTxAddresses %v", bchainVin.Txid)
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}
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if tas == nil {
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// try to load from backend
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otx, _, err := w.txCache.GetTransaction(bchainVin.Txid)
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if err != nil {
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if err == bchain.ErrTxNotFound {
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// try to get AddrDesc using coin specific handling and continue processing the tx
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vin.AddrDesc = w.chainParser.GetAddrDescForUnknownInput(bchainTx, i)
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vin.Addresses, vin.Searchable, err = w.chainParser.GetAddressesFromAddrDesc(vin.AddrDesc)
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if err != nil {
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glog.Warning("GetAddressesFromAddrDesc tx ", bchainVin.Txid, ", addrDesc ", vin.AddrDesc, ": ", err)
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}
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continue
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}
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return nil, errors.Annotatef(err, "txCache.GetTransaction %v", bchainVin.Txid)
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}
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// mempool transactions are not in TxAddresses but confirmed should be there, log a problem
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if bchainTx.Confirmations > 0 {
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glog.Warning("DB inconsistency: tx ", bchainVin.Txid, ": not found in txAddresses")
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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.ValueSat = (*Amount)(&vout.ValueSat)
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vin.AddrDesc, vin.Addresses, vin.Searchable, err = w.getAddressesFromVout(vout)
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if err != nil {
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glog.Errorf("getAddressesFromVout error %v, vout %+v", err, vout)
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}
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}
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} else {
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if len(tas.Outputs) > int(vin.Vout) {
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output := &tas.Outputs[vin.Vout]
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vin.ValueSat = (*Amount)(&output.ValueSat)
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vin.AddrDesc = output.AddrDesc
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vin.Addresses, vin.Searchable, err = output.Addresses(w.chainParser)
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if err != nil {
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glog.Errorf("output.Addresses error %v, tx %v, output %v", err, bchainVin.Txid, i)
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}
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}
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}
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if vin.ValueSat != nil {
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valInSat.Add(&valInSat, (*big.Int)(vin.ValueSat))
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}
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}
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} else if w.chainType == bchain.ChainEthereumType {
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if len(bchainVin.Addresses) > 0 {
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vin.AddrDesc, err = w.chainParser.GetAddrDescFromAddress(bchainVin.Addresses[0])
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if err != nil {
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glog.Errorf("GetAddrDescFromAddress error %v, tx %v, bchainVin %v", err, bchainTx.Txid, bchainVin)
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}
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vin.Addresses = bchainVin.Addresses
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vin.Searchable = true
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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.ValueSat = (*Amount)(&bchainVout.ValueSat)
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valOutSat.Add(&valOutSat, &bchainVout.ValueSat)
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vout.Hex = bchainVout.ScriptPubKey.Hex
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vout.AddrDesc, vout.Addresses, vout.Searchable, err = w.getAddressesFromVout(bchainVout)
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if err != nil {
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glog.V(2).Infof("getAddressesFromVout error %v, %v, output %v", err, bchainTx.Txid, bchainVout.N)
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}
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if ta != nil {
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vout.Spent = ta.Outputs[i].Spent
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if spendingTxs && vout.Spent {
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err = w.setSpendingTxToVout(vout, bchainTx.Txid, height)
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if err != nil {
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glog.Errorf("setSpendingTxToVout error %v, %v, output %v", err, vout.AddrDesc, vout.N)
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}
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}
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}
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}
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if w.chainType == bchain.ChainBitcoinType {
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// for coinbase transactions valIn is 0
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feesSat.Sub(&valInSat, &valOutSat)
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if feesSat.Sign() == -1 {
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feesSat.SetUint64(0)
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}
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pValInSat = &valInSat
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} else if w.chainType == bchain.ChainEthereumType {
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ets, err := w.chainParser.EthereumTypeGetErc20FromTx(bchainTx)
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if err != nil {
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glog.Errorf("GetErc20FromTx error %v, %v", err, bchainTx)
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}
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tokens = make([]TokenTransfer, len(ets))
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for i := range ets {
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e := &ets[i]
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cd, err := w.chainParser.GetAddrDescFromAddress(e.Contract)
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if err != nil {
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glog.Errorf("GetAddrDescFromAddress error %v, contract %v", err, e.Contract)
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continue
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}
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erc20c, err := w.chain.EthereumTypeGetErc20ContractInfo(cd)
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if err != nil {
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glog.Errorf("GetErc20ContractInfo error %v, contract %v", err, e.Contract)
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}
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if erc20c == nil {
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erc20c = &bchain.Erc20Contract{Name: e.Contract}
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}
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tokens[i] = TokenTransfer{
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Type: ERC20TokenType,
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Token: e.Contract,
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From: e.From,
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To: e.To,
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Decimals: erc20c.Decimals,
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Value: (*Amount)(&e.Tokens),
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Name: erc20c.Name,
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Symbol: erc20c.Symbol,
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}
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}
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ethTxData := eth.GetEthereumTxData(bchainTx)
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// mempool txs do not have fees yet
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if ethTxData.GasUsed != nil {
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feesSat.Mul(ethTxData.GasPrice, ethTxData.GasUsed)
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}
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if len(bchainTx.Vout) > 0 {
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valOutSat = bchainTx.Vout[0].ValueSat
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}
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ethSpecific = &EthereumSpecific{
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GasLimit: ethTxData.GasLimit,
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GasPrice: (*Amount)(ethTxData.GasPrice),
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GasUsed: ethTxData.GasUsed,
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Nonce: ethTxData.Nonce,
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Status: ethTxData.Status,
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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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var sj json.RawMessage
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if specificJSON {
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sj, err = w.chain.GetTransactionSpecific(bchainTx)
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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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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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FeesSat: (*Amount)(&feesSat),
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Locktime: bchainTx.LockTime,
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Txid: bchainTx.Txid,
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ValueInSat: (*Amount)(pValInSat),
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ValueOutSat: (*Amount)(&valOutSat),
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Version: bchainTx.Version,
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Hex: bchainTx.Hex,
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Vin: vins,
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Vout: vouts,
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CoinSpecificData: bchainTx.CoinSpecificData,
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CoinSpecificJSON: sj,
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TokenTransfers: tokens,
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EthereumSpecific: ethSpecific,
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}
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return r, nil
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}
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func (w *Worker) getAddressTxids(addrDesc bchain.AddressDescriptor, mempool bool, filter *AddressFilter, maxResults int) ([]string, error) {
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var err error
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txids := make([]string, 0, 4)
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var callback db.GetTransactionsCallback
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if filter.Vout == AddressFilterVoutOff {
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callback = func(txid string, height uint32, indexes []int32) error {
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txids = append(txids, txid)
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if len(txids) >= maxResults {
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return &db.StopIteration{}
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}
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return nil
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}
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} else {
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callback = func(txid string, height uint32, indexes []int32) error {
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for _, index := range indexes {
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vout := index
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if vout < 0 {
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vout = ^vout
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}
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if (filter.Vout == AddressFilterVoutInputs && index < 0) ||
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(filter.Vout == AddressFilterVoutOutputs && index >= 0) ||
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(vout == int32(filter.Vout)) {
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txids = append(txids, txid)
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if len(txids) >= maxResults {
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return &db.StopIteration{}
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}
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break
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}
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}
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return nil
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}
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}
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if mempool {
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uniqueTxs := make(map[string]struct{})
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o, err := w.chain.GetMempoolTransactionsForAddrDesc(addrDesc)
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if err != nil {
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return nil, err
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}
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for _, m := range o {
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if _, found := uniqueTxs[m.Txid]; !found {
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l := len(txids)
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callback(m.Txid, 0, []int32{m.Vout})
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if len(txids) > l {
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uniqueTxs[m.Txid] = struct{}{}
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}
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}
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}
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} else {
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to := filter.ToHeight
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if to == 0 {
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to = maxUint32
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}
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err = w.db.GetAddrDescTransactions(addrDesc, filter.FromHeight, to, callback)
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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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return txids, nil
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}
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func (t *Tx) getAddrVoutValue(addrDesc bchain.AddressDescriptor) *big.Int {
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var val big.Int
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for _, vout := range t.Vout {
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if bytes.Equal(vout.AddrDesc, addrDesc) && vout.ValueSat != nil {
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val.Add(&val, (*big.Int)(vout.ValueSat))
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}
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}
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return &val
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}
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|
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func (t *Tx) getAddrVinValue(addrDesc bchain.AddressDescriptor) *big.Int {
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var val big.Int
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for _, vin := range t.Vin {
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if bytes.Equal(vin.AddrDesc, addrDesc) && vin.ValueSat != nil {
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val.Add(&val, (*big.Int)(vin.ValueSat))
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}
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}
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return &val
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}
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|
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// GetUniqueTxids removes duplicate transactions
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func GetUniqueTxids(txids []string) []string {
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ut := make([]string, len(txids))
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txidsMap := make(map[string]struct{})
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i := 0
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for _, txid := range txids {
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_, e := txidsMap[txid]
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if !e {
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ut[i] = txid
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i++
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txidsMap[txid] = struct{}{}
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}
|
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}
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return ut[0:i]
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}
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func (w *Worker) txFromTxAddress(txid string, ta *db.TxAddresses, bi *db.BlockInfo, bestheight uint32) *Tx {
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var err error
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var valInSat, valOutSat, feesSat big.Int
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vins := make([]Vin, len(ta.Inputs))
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for i := range ta.Inputs {
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tai := &ta.Inputs[i]
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vin := &vins[i]
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vin.N = i
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vin.ValueSat = (*Amount)(&tai.ValueSat)
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valInSat.Add(&valInSat, &tai.ValueSat)
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vin.Addresses, vin.Searchable, err = tai.Addresses(w.chainParser)
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if err != nil {
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glog.Errorf("tai.Addresses error %v, tx %v, input %v, tai %+v", err, txid, i, tai)
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}
|
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}
|
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vouts := make([]Vout, len(ta.Outputs))
|
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for i := range ta.Outputs {
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tao := &ta.Outputs[i]
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vout := &vouts[i]
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vout.N = i
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vout.ValueSat = (*Amount)(&tao.ValueSat)
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valOutSat.Add(&valOutSat, &tao.ValueSat)
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vout.Addresses, vout.Searchable, err = tao.Addresses(w.chainParser)
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if err != nil {
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glog.Errorf("tai.Addresses error %v, tx %v, output %v, tao %+v", err, txid, i, tao)
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}
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vout.Spent = tao.Spent
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}
|
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// for coinbase transactions valIn is 0
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feesSat.Sub(&valInSat, &valOutSat)
|
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if feesSat.Sign() == -1 {
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feesSat.SetUint64(0)
|
|
}
|
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r := &Tx{
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Blockhash: bi.Hash,
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Blockheight: int(ta.Height),
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Blocktime: bi.Time,
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Confirmations: bestheight - ta.Height + 1,
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FeesSat: (*Amount)(&feesSat),
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Txid: txid,
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ValueInSat: (*Amount)(&valInSat),
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ValueOutSat: (*Amount)(&valOutSat),
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Vin: vins,
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Vout: vouts,
|
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}
|
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return r
|
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}
|
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|
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func computePaging(count, page, itemsOnPage int) (Paging, int, int, int) {
|
|
from := page * itemsOnPage
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totalPages := (count - 1) / itemsOnPage
|
|
if totalPages < 0 {
|
|
totalPages = 0
|
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}
|
|
if from >= count {
|
|
page = totalPages
|
|
}
|
|
from = page * itemsOnPage
|
|
to := (page + 1) * itemsOnPage
|
|
if to > count {
|
|
to = count
|
|
}
|
|
return Paging{
|
|
ItemsOnPage: itemsOnPage,
|
|
Page: page + 1,
|
|
TotalPages: totalPages + 1,
|
|
}, from, to, page
|
|
}
|
|
|
|
func (w *Worker) getEthereumTypeAddressBalances(addrDesc bchain.AddressDescriptor, details AccountDetails, filter *AddressFilter) (*db.AddrBalance, []Token, *bchain.Erc20Contract, uint64, int, int, error) {
|
|
var (
|
|
ba *db.AddrBalance
|
|
tokens []Token
|
|
ci *bchain.Erc20Contract
|
|
n uint64
|
|
nonContractTxs int
|
|
)
|
|
// unknown number of results for paging
|
|
totalResults := -1
|
|
ca, err := w.db.GetAddrDescContracts(addrDesc)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, NewAPIError(fmt.Sprintf("Address not found, %v", err), true)
|
|
}
|
|
b, err := w.chain.EthereumTypeGetBalance(addrDesc)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, errors.Annotatef(err, "EthereumTypeGetBalance %v", addrDesc)
|
|
}
|
|
if ca != nil {
|
|
ba = &db.AddrBalance{
|
|
Txs: uint32(ca.TotalTxs),
|
|
}
|
|
if b != nil {
|
|
ba.BalanceSat = *b
|
|
}
|
|
n, err = w.chain.EthereumTypeGetNonce(addrDesc)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, errors.Annotatef(err, "EthereumTypeGetNonce %v", addrDesc)
|
|
}
|
|
var filterDesc bchain.AddressDescriptor
|
|
if filter.Contract != "" {
|
|
filterDesc, err = w.chainParser.GetAddrDescFromAddress(filter.Contract)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, NewAPIError(fmt.Sprintf("Invalid contract filter, %v", err), true)
|
|
}
|
|
}
|
|
if details > AccountDetailsBasic {
|
|
tokens = make([]Token, len(ca.Contracts))
|
|
var j int
|
|
for i, c := range ca.Contracts {
|
|
if len(filterDesc) > 0 {
|
|
if !bytes.Equal(filterDesc, c.Contract) {
|
|
continue
|
|
}
|
|
// filter only transactions of this contract
|
|
filter.Vout = i + 1
|
|
}
|
|
validContract := true
|
|
ci, err := w.chain.EthereumTypeGetErc20ContractInfo(c.Contract)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, errors.Annotatef(err, "EthereumTypeGetErc20ContractInfo %v", c.Contract)
|
|
}
|
|
if ci == nil {
|
|
ci = &bchain.Erc20Contract{}
|
|
addresses, _, _ := w.chainParser.GetAddressesFromAddrDesc(c.Contract)
|
|
if len(addresses) > 0 {
|
|
ci.Contract = addresses[0]
|
|
ci.Name = addresses[0]
|
|
}
|
|
validContract = false
|
|
}
|
|
// do not read contract balances etc in case of Basic option
|
|
if details >= AccountDetailsTokenBalances && validContract {
|
|
b, err = w.chain.EthereumTypeGetErc20ContractBalance(addrDesc, c.Contract)
|
|
if err != nil {
|
|
// return nil, nil, nil, errors.Annotatef(err, "EthereumTypeGetErc20ContractBalance %v %v", addrDesc, c.Contract)
|
|
glog.Warningf("EthereumTypeGetErc20ContractBalance addr %v, contract %v, %v", addrDesc, c.Contract, err)
|
|
}
|
|
} else {
|
|
b = nil
|
|
}
|
|
tokens[j] = Token{
|
|
Type: ERC20TokenType,
|
|
BalanceSat: (*Amount)(b),
|
|
Contract: ci.Contract,
|
|
Name: ci.Name,
|
|
Symbol: ci.Symbol,
|
|
Transfers: int(c.Txs),
|
|
Decimals: ci.Decimals,
|
|
ContractIndex: strconv.Itoa(i + 1),
|
|
}
|
|
j++
|
|
}
|
|
tokens = tokens[:j]
|
|
}
|
|
ci, err = w.chain.EthereumTypeGetErc20ContractInfo(addrDesc)
|
|
if err != nil {
|
|
return nil, nil, nil, 0, 0, 0, err
|
|
}
|
|
if filter.FromHeight == 0 && filter.ToHeight == 0 {
|
|
// compute total results for paging
|
|
if filter.Vout == AddressFilterVoutOff {
|
|
totalResults = int(ca.TotalTxs)
|
|
} else if filter.Vout == 0 {
|
|
totalResults = int(ca.NonContractTxs)
|
|
} else if filter.Vout > 0 && filter.Vout-1 < len(ca.Contracts) {
|
|
totalResults = int(ca.Contracts[filter.Vout-1].Txs)
|
|
}
|
|
}
|
|
nonContractTxs = int(ca.NonContractTxs)
|
|
} else {
|
|
// addresses without any normal transactions can have internal transactions and therefore balance
|
|
if b != nil {
|
|
ba = &db.AddrBalance{
|
|
BalanceSat: *b,
|
|
}
|
|
}
|
|
}
|
|
return ba, tokens, ci, n, nonContractTxs, totalResults, nil
|
|
}
|
|
|
|
func (w *Worker) txFromTxid(txid string, bestheight uint32, option AccountDetails) (*Tx, error) {
|
|
var tx *Tx
|
|
var err error
|
|
// only ChainBitcoinType supports TxHistoryLight
|
|
if option == AccountDetailsTxHistoryLight && w.chainType == bchain.ChainBitcoinType {
|
|
ta, err := w.db.GetTxAddresses(txid)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetTxAddresses %v", txid)
|
|
}
|
|
if ta == nil {
|
|
glog.Warning("DB inconsistency: tx ", txid, ": not found in txAddresses")
|
|
// as fallback, provide empty TxAddresses to return at least something
|
|
ta = &db.TxAddresses{}
|
|
}
|
|
bi, err := w.db.GetBlockInfo(ta.Height)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetBlockInfo %v", ta.Height)
|
|
}
|
|
if bi == nil {
|
|
glog.Warning("DB inconsistency: block height ", ta.Height, ": not found in db")
|
|
// provide empty BlockInfo to return the rest of tx data
|
|
bi = &db.BlockInfo{}
|
|
}
|
|
tx = w.txFromTxAddress(txid, ta, bi, bestheight)
|
|
} else {
|
|
tx, err = w.GetTransaction(txid, false, true)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetTransaction %v", txid)
|
|
}
|
|
}
|
|
return tx, nil
|
|
}
|
|
|
|
func (w *Worker) getAddrDescAndNormalizeAddress(address string) (bchain.AddressDescriptor, string, error) {
|
|
addrDesc, err := w.chainParser.GetAddrDescFromAddress(address)
|
|
if err != nil {
|
|
return nil, "", NewAPIError(fmt.Sprintf("Invalid address, %v", err), true)
|
|
}
|
|
// convert the address to the format defined by the parser
|
|
addresses, _, err := w.chainParser.GetAddressesFromAddrDesc(addrDesc)
|
|
if err != nil {
|
|
glog.V(2).Infof("GetAddressesFromAddrDesc error %v, %v", err, addrDesc)
|
|
}
|
|
if len(addresses) == 1 {
|
|
address = addresses[0]
|
|
}
|
|
return addrDesc, address, nil
|
|
}
|
|
|
|
// GetAddress computes address value and gets transactions for given address
|
|
func (w *Worker) GetAddress(address string, page int, txsOnPage int, option AccountDetails, filter *AddressFilter) (*Address, error) {
|
|
start := time.Now()
|
|
page--
|
|
if page < 0 {
|
|
page = 0
|
|
}
|
|
var (
|
|
ba *db.AddrBalance
|
|
tokens []Token
|
|
erc20c *bchain.Erc20Contract
|
|
txm []string
|
|
txs []*Tx
|
|
txids []string
|
|
pg Paging
|
|
uBalSat big.Int
|
|
totalReceived, totalSent *big.Int
|
|
nonce string
|
|
unconfirmedTxs int
|
|
nonTokenTxs int
|
|
totalResults int
|
|
)
|
|
addrDesc, address, err := w.getAddrDescAndNormalizeAddress(address)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if w.chainType == bchain.ChainEthereumType {
|
|
var n uint64
|
|
ba, tokens, erc20c, n, nonTokenTxs, totalResults, err = w.getEthereumTypeAddressBalances(addrDesc, option, filter)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
nonce = strconv.Itoa(int(n))
|
|
} else {
|
|
// ba can be nil if the address is only in mempool!
|
|
ba, err = w.db.GetAddrDescBalance(addrDesc)
|
|
if err != nil {
|
|
return nil, NewAPIError(fmt.Sprintf("Address not found, %v", err), true)
|
|
}
|
|
if ba != nil {
|
|
// totalResults is known only if there is no filter
|
|
if filter.Vout == AddressFilterVoutOff && filter.FromHeight == 0 && filter.ToHeight == 0 {
|
|
totalResults = int(ba.Txs)
|
|
} else {
|
|
totalResults = -1
|
|
}
|
|
}
|
|
}
|
|
// if there are only unconfirmed transactions, there is no paging
|
|
if ba == nil {
|
|
ba = &db.AddrBalance{}
|
|
page = 0
|
|
}
|
|
// process mempool, only if toHeight is not specified
|
|
if filter.ToHeight == 0 && !filter.OnlyConfirmed {
|
|
txm, err = w.getAddressTxids(addrDesc, true, filter, maxInt)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "getAddressTxids %v true", addrDesc)
|
|
}
|
|
for _, txid := range txm {
|
|
tx, err := w.GetTransaction(txid, false, false)
|
|
// mempool transaction may fail
|
|
if err != nil || tx == nil {
|
|
glog.Warning("GetTransaction in mempool: ", err)
|
|
} else {
|
|
// skip already confirmed txs, mempool may be out of sync
|
|
if tx.Confirmations == 0 {
|
|
unconfirmedTxs++
|
|
uBalSat.Add(&uBalSat, tx.getAddrVoutValue(addrDesc))
|
|
uBalSat.Sub(&uBalSat, tx.getAddrVinValue(addrDesc))
|
|
if page == 0 {
|
|
if option == AccountDetailsTxidHistory {
|
|
txids = append(txids, tx.Txid)
|
|
} else if option >= AccountDetailsTxHistoryLight {
|
|
txs = append(txs, tx)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// get tx history if requested by option or check mempool if there are some transactions for a new address
|
|
if option >= AccountDetailsTxidHistory {
|
|
txc, err := w.getAddressTxids(addrDesc, false, filter, (page+1)*txsOnPage)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "getAddressTxids %v false", addrDesc)
|
|
}
|
|
bestheight, _, err := w.db.GetBestBlock()
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetBestBlock")
|
|
}
|
|
var from, to int
|
|
pg, from, to, page = computePaging(len(txc), page, txsOnPage)
|
|
if len(txc) >= txsOnPage {
|
|
if totalResults < 0 {
|
|
pg.TotalPages = -1
|
|
} else {
|
|
pg, _, _, _ = computePaging(totalResults, page, txsOnPage)
|
|
}
|
|
}
|
|
for i := from; i < to; i++ {
|
|
txid := txc[i]
|
|
if option == AccountDetailsTxidHistory {
|
|
txids = append(txids, txid)
|
|
} else {
|
|
tx, err := w.txFromTxid(txid, bestheight, option)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
txs = append(txs, tx)
|
|
}
|
|
}
|
|
}
|
|
if w.chainType == bchain.ChainBitcoinType {
|
|
totalReceived = ba.ReceivedSat()
|
|
totalSent = &ba.SentSat
|
|
}
|
|
r := &Address{
|
|
Paging: pg,
|
|
AddrStr: address,
|
|
BalanceSat: (*Amount)(&ba.BalanceSat),
|
|
TotalReceivedSat: (*Amount)(totalReceived),
|
|
TotalSentSat: (*Amount)(totalSent),
|
|
Txs: int(ba.Txs),
|
|
NonTokenTxs: nonTokenTxs,
|
|
UnconfirmedBalanceSat: (*Amount)(&uBalSat),
|
|
UnconfirmedTxs: unconfirmedTxs,
|
|
Transactions: txs,
|
|
Txids: txids,
|
|
Tokens: tokens,
|
|
Erc20Contract: erc20c,
|
|
Nonce: nonce,
|
|
}
|
|
glog.Info("GetAddress ", address, " finished in ", time.Since(start))
|
|
return r, nil
|
|
}
|
|
|
|
func (w *Worker) getAddrDescUtxo(addrDesc bchain.AddressDescriptor, ba *db.AddrBalance, onlyConfirmed bool, onlyMempool bool) (Utxos, error) {
|
|
var err error
|
|
r := make(Utxos, 0, 8)
|
|
spentInMempool := make(map[string]struct{})
|
|
if !onlyConfirmed {
|
|
// get utxo from mempool
|
|
txm, err := w.getAddressTxids(addrDesc, true, &AddressFilter{Vout: AddressFilterVoutOff}, maxInt)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if len(txm) > 0 {
|
|
mc := make([]*bchain.Tx, len(txm))
|
|
for i, txid := range txm {
|
|
// get mempool txs and process their inputs to detect spends between mempool txs
|
|
bchainTx, _, err := w.txCache.GetTransaction(txid)
|
|
// mempool transaction may fail
|
|
if err != nil {
|
|
glog.Error("GetTransaction in mempool ", txid, ": ", err)
|
|
} else {
|
|
mc[i] = bchainTx
|
|
// get outputs spent by the mempool tx
|
|
for i := range bchainTx.Vin {
|
|
vin := &bchainTx.Vin[i]
|
|
spentInMempool[vin.Txid+strconv.Itoa(int(vin.Vout))] = struct{}{}
|
|
}
|
|
}
|
|
}
|
|
for _, bchainTx := range mc {
|
|
if bchainTx != nil {
|
|
for i := range bchainTx.Vout {
|
|
vout := &bchainTx.Vout[i]
|
|
vad, err := w.chainParser.GetAddrDescFromVout(vout)
|
|
if err == nil && bytes.Equal(addrDesc, vad) {
|
|
// report only outpoints that are not spent in mempool
|
|
_, e := spentInMempool[bchainTx.Txid+strconv.Itoa(i)]
|
|
if !e {
|
|
r = append(r, Utxo{
|
|
Txid: bchainTx.Txid,
|
|
Vout: int32(i),
|
|
AmountSat: (*Amount)(&vout.ValueSat),
|
|
})
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if !onlyMempool {
|
|
// get utxo from index
|
|
if ba == nil {
|
|
ba, err = w.db.GetAddrDescBalance(addrDesc)
|
|
if err != nil {
|
|
return nil, NewAPIError(fmt.Sprintf("Address not found, %v", err), true)
|
|
}
|
|
}
|
|
// ba can be nil if the address is only in mempool!
|
|
if ba != nil && !IsZeroBigInt(&ba.BalanceSat) {
|
|
outpoints := make([]bchain.Outpoint, 0, 8)
|
|
err = w.db.GetAddrDescTransactions(addrDesc, 0, maxUint32, func(txid string, height uint32, indexes []int32) error {
|
|
for _, index := range indexes {
|
|
// take only outputs
|
|
if index >= 0 {
|
|
outpoints = append(outpoints, bchain.Outpoint{Txid: txid, Vout: index})
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var lastTxid string
|
|
var ta *db.TxAddresses
|
|
var checksum big.Int
|
|
checksum.Set(&ba.BalanceSat)
|
|
b, _, err := w.db.GetBestBlock()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
bestheight := int(b)
|
|
for i := 0; i < len(outpoints) && checksum.Int64() > 0; i++ {
|
|
o := outpoints[i]
|
|
if lastTxid != o.Txid {
|
|
ta, err = w.db.GetTxAddresses(o.Txid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
lastTxid = o.Txid
|
|
}
|
|
if ta == nil {
|
|
glog.Warning("DB inconsistency: tx ", o.Txid, ": not found in txAddresses")
|
|
} else {
|
|
if len(ta.Outputs) <= int(o.Vout) {
|
|
glog.Warning("DB inconsistency: txAddresses ", o.Txid, " does not have enough outputs")
|
|
} else {
|
|
if !ta.Outputs[o.Vout].Spent {
|
|
v := ta.Outputs[o.Vout].ValueSat
|
|
// report only outpoints that are not spent in mempool
|
|
_, e := spentInMempool[o.Txid+strconv.Itoa(int(o.Vout))]
|
|
if !e {
|
|
r = append(r, Utxo{
|
|
Txid: o.Txid,
|
|
Vout: o.Vout,
|
|
AmountSat: (*Amount)(&v),
|
|
Height: int(ta.Height),
|
|
Confirmations: bestheight - int(ta.Height) + 1,
|
|
})
|
|
}
|
|
checksum.Sub(&checksum, &v)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if checksum.Uint64() != 0 {
|
|
glog.Warning("DB inconsistency: ", addrDesc, ": checksum is not zero")
|
|
}
|
|
}
|
|
}
|
|
return r, nil
|
|
}
|
|
|
|
// GetAddressUtxo returns unspent outputs for given address
|
|
func (w *Worker) GetAddressUtxo(address string, onlyConfirmed bool) (Utxos, error) {
|
|
if w.chainType != bchain.ChainBitcoinType {
|
|
return nil, NewAPIError("Not supported", true)
|
|
}
|
|
start := time.Now()
|
|
addrDesc, err := w.chainParser.GetAddrDescFromAddress(address)
|
|
if err != nil {
|
|
return nil, NewAPIError(fmt.Sprintf("Invalid address '%v', %v", address, err), true)
|
|
}
|
|
r, err := w.getAddrDescUtxo(addrDesc, nil, onlyConfirmed, false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
glog.Info("GetAddressUtxo ", address, ", ", len(r), " utxos, finished in ", time.Since(start))
|
|
return r, nil
|
|
}
|
|
|
|
// GetBlocks returns BlockInfo for blocks on given page
|
|
func (w *Worker) GetBlocks(page int, blocksOnPage int) (*Blocks, error) {
|
|
start := time.Now()
|
|
page--
|
|
if page < 0 {
|
|
page = 0
|
|
}
|
|
b, _, err := w.db.GetBestBlock()
|
|
bestheight := int(b)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetBestBlock")
|
|
}
|
|
pg, from, to, page := computePaging(bestheight+1, page, blocksOnPage)
|
|
r := &Blocks{Paging: pg}
|
|
r.Blocks = make([]db.BlockInfo, to-from)
|
|
for i := from; i < to; i++ {
|
|
bi, err := w.db.GetBlockInfo(uint32(bestheight - i))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if bi == nil {
|
|
r.Blocks = r.Blocks[:i]
|
|
break
|
|
}
|
|
r.Blocks[i-from] = *bi
|
|
}
|
|
glog.Info("GetBlocks page ", page, " finished in ", time.Since(start))
|
|
return r, nil
|
|
}
|
|
|
|
// GetBlock returns paged data about block
|
|
func (w *Worker) GetBlock(bid string, page int, txsOnPage int) (*Block, error) {
|
|
start := time.Now()
|
|
page--
|
|
if page < 0 {
|
|
page = 0
|
|
}
|
|
// try to decide if passed string (bid) is block height or block hash
|
|
// if it's a number, must be less than int32
|
|
var hash string
|
|
height, err := strconv.Atoi(bid)
|
|
if err == nil && height < int(maxUint32) {
|
|
hash, err = w.db.GetBlockHash(uint32(height))
|
|
if err != nil {
|
|
hash = bid
|
|
}
|
|
} else {
|
|
hash = bid
|
|
}
|
|
bi, err := w.chain.GetBlockInfo(hash)
|
|
if err != nil {
|
|
if err == bchain.ErrBlockNotFound {
|
|
return nil, NewAPIError("Block not found", true)
|
|
}
|
|
return nil, NewAPIError(fmt.Sprintf("Block not found, %v", err), true)
|
|
}
|
|
dbi := &db.BlockInfo{
|
|
Hash: bi.Hash,
|
|
Height: bi.Height,
|
|
Time: bi.Time,
|
|
}
|
|
txCount := len(bi.Txids)
|
|
bestheight, _, err := w.db.GetBestBlock()
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetBestBlock")
|
|
}
|
|
pg, from, to, page := computePaging(txCount, page, txsOnPage)
|
|
txs := make([]*Tx, to-from)
|
|
txi := 0
|
|
for i := from; i < to; i++ {
|
|
txid := bi.Txids[i]
|
|
if w.chainType == bchain.ChainBitcoinType {
|
|
ta, err := w.db.GetTxAddresses(txid)
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetTxAddresses %v", txid)
|
|
}
|
|
if ta == nil {
|
|
glog.Warning("DB inconsistency: tx ", txid, ": not found in txAddresses")
|
|
continue
|
|
}
|
|
txs[txi] = w.txFromTxAddress(txid, ta, dbi, bestheight)
|
|
} else {
|
|
txs[txi], err = w.GetTransaction(txid, false, false)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
txi++
|
|
}
|
|
if bi.Prev == "" && bi.Height != 0 {
|
|
bi.Prev, _ = w.db.GetBlockHash(bi.Height - 1)
|
|
}
|
|
if bi.Next == "" && bi.Height != bestheight {
|
|
bi.Next, _ = w.db.GetBlockHash(bi.Height + 1)
|
|
}
|
|
txs = txs[:txi]
|
|
bi.Txids = nil
|
|
glog.Info("GetBlock ", bid, ", page ", page, " finished in ", time.Since(start))
|
|
return &Block{
|
|
Paging: pg,
|
|
BlockInfo: BlockInfo{
|
|
BlockHeader: bi.BlockHeader,
|
|
Bits: bi.Bits,
|
|
Difficulty: string(bi.Difficulty),
|
|
MerkleRoot: bi.MerkleRoot,
|
|
Nonce: string(bi.Nonce),
|
|
Txids: bi.Txids,
|
|
Version: bi.Version,
|
|
},
|
|
TxCount: txCount,
|
|
Transactions: txs,
|
|
}, nil
|
|
}
|
|
|
|
// GetSystemInfo returns information about system
|
|
func (w *Worker) GetSystemInfo(internal bool) (*SystemInfo, error) {
|
|
start := time.Now()
|
|
ci, err := w.chain.GetChainInfo()
|
|
if err != nil {
|
|
return nil, errors.Annotatef(err, "GetChainInfo")
|
|
}
|
|
vi := common.GetVersionInfo()
|
|
ss, bh, st := w.is.GetSyncState()
|
|
ms, mt, msz := w.is.GetMempoolSyncState()
|
|
var dbc []common.InternalStateColumn
|
|
var dbs int64
|
|
if internal {
|
|
dbc = w.is.GetAllDBColumnStats()
|
|
dbs = w.is.DBSizeTotal()
|
|
}
|
|
bi := &BlockbookInfo{
|
|
Coin: w.is.Coin,
|
|
Host: w.is.Host,
|
|
Version: vi.Version,
|
|
GitCommit: vi.GitCommit,
|
|
BuildTime: vi.BuildTime,
|
|
SyncMode: w.is.SyncMode,
|
|
InitialSync: w.is.InitialSync,
|
|
InSync: ss,
|
|
BestHeight: bh,
|
|
LastBlockTime: st,
|
|
InSyncMempool: ms,
|
|
LastMempoolTime: mt,
|
|
MempoolSize: msz,
|
|
Decimals: w.chainParser.AmountDecimals(),
|
|
DbSize: w.db.DatabaseSizeOnDisk(),
|
|
DbSizeFromColumns: dbs,
|
|
DbColumns: dbc,
|
|
About: Text.BlockbookAbout,
|
|
}
|
|
glog.Info("GetSystemInfo finished in ", time.Since(start))
|
|
return &SystemInfo{bi, ci}, nil
|
|
}
|