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apisource.go
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apisource.go
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// Copyright (c) 2018, The Decred developers
// Copyright (c) 2017, Jonathan Chappelow
// See LICENSE for details.
package dcrsqlite
import (
"database/sql"
"encoding/hex"
"fmt"
"sort"
"strings"
"sync"
"time"
"github.com/decred/dcrd/blockchain/stake"
"github.com/decred/dcrd/chaincfg"
"github.com/decred/dcrd/chaincfg/chainhash"
"github.com/decred/dcrd/dcrjson"
"github.com/decred/dcrd/dcrutil"
"github.com/decred/dcrd/rpcclient"
"github.com/decred/dcrd/txscript"
"github.com/decred/dcrd/wire"
apitypes "github.com/decred/dcrdata/api/types"
"github.com/decred/dcrdata/db/dbtypes"
"github.com/decred/dcrdata/explorer"
"github.com/decred/dcrdata/mempool"
"github.com/decred/dcrdata/rpcutils"
"github.com/decred/dcrdata/stakedb"
"github.com/decred/dcrdata/txhelpers"
humanize "github.com/dustin/go-humanize"
)
// wiredDB is intended to satisfy DataSourceLite interface. The block header is
// not stored in the DB, so the RPC client is used to get it on demand.
type wiredDB struct {
*DBDataSaver
MPC *mempool.MempoolDataCache
client *rpcclient.Client
params *chaincfg.Params
sDB *stakedb.StakeDatabase
waitChan chan chainhash.Hash
}
func newWiredDB(DB *DB, statusC chan uint32, cl *rpcclient.Client,
p *chaincfg.Params, datadir string) (wiredDB, func() error) {
wDB := wiredDB{
DBDataSaver: &DBDataSaver{DB, statusC},
MPC: new(mempool.MempoolDataCache),
client: cl,
params: p,
}
var err error
var height int64
wDB.sDB, height, err = stakedb.NewStakeDatabase(cl, p, datadir)
if err != nil {
log.Errorf("Unable to create stake DB: %v", err)
if height >= 0 {
log.Infof("Attempting to recover stake DB...")
wDB.sDB, err = stakedb.LoadAndRecover(cl, p, datadir, height-288)
}
if err != nil {
if wDB.sDB != nil {
_ = wDB.sDB.Close()
}
log.Errorf("StakeDatabase recovery failed: %v", err)
return wDB, func() error { return nil }
}
}
return wDB, wDB.sDB.Close
}
// NewWiredDB creates a new wiredDB from a *sql.DB, a node client, network
// parameters, and a status update channel. It calls dcrsqlite.NewDB to create a
// new DB that wrapps the sql.DB.
func NewWiredDB(db *sql.DB, statusC chan uint32, cl *rpcclient.Client,
p *chaincfg.Params, datadir string) (wiredDB, func() error, error) {
// Create the sqlite.DB
DB, err := NewDB(db)
if err != nil || DB == nil {
return wiredDB{}, func() error { return nil }, err
}
// Create the wiredDB
wDB, cleanup := newWiredDB(DB, statusC, cl, p, datadir)
if wDB.sDB == nil {
err = fmt.Errorf("failed to create StakeDatabase")
}
return wDB, cleanup, err
}
// InitWiredDB creates a new wiredDB from a file containing the data for a
// sql.DB. The other parameters are same as those for NewWiredDB.
func InitWiredDB(dbInfo *DBInfo, statusC chan uint32, cl *rpcclient.Client,
p *chaincfg.Params, datadir string) (wiredDB, func() error, error) {
db, err := InitDB(dbInfo)
if err != nil {
return wiredDB{}, func() error { return nil }, err
}
wDB, cleanup := newWiredDB(db, statusC, cl, p, datadir)
if wDB.sDB == nil {
err = fmt.Errorf("failed to create StakeDatabase")
}
return wDB, cleanup, err
}
func (db *wiredDB) NewStakeDBChainMonitor(quit chan struct{}, wg *sync.WaitGroup,
blockChan chan *chainhash.Hash, reorgChan chan *stakedb.ReorgData) *stakedb.ChainMonitor {
return db.sDB.NewChainMonitor(quit, wg, blockChan, reorgChan)
}
func (db *wiredDB) ChargePoolInfoCache(startHeight int64) error {
if startHeight < 0 {
startHeight = 0
}
endHeight, err := db.GetStakeInfoHeight()
if err != nil {
return err
}
if startHeight > endHeight {
log.Debug("No pool info to load into cache")
return nil
}
tpis, blockHashes, err := db.DB.RetrievePoolInfoRange(startHeight, endHeight)
if err != nil {
return err
}
log.Debugf("Pre-loading pool info for %d blocks ([%d, %d]) into cache.",
len(tpis), startHeight, endHeight)
for i := range tpis {
hash, err := chainhash.NewHashFromStr(blockHashes[i])
if err != nil {
log.Warnf("Invalid block hash: %s", blockHashes[i])
}
db.sDB.SetPoolInfo(*hash, &tpis[i])
}
// for i := startHeight; i <= endHeight; i++ {
// winners, blockHash, err := db.DB.RetrieveWinners(i)
// if err != nil {
// return err
// }
// db.sDB.SetPoolInfo(blockHash)
// }
return nil
}
// CheckConnectivity ensures the db and RPC client are working.
func (db *wiredDB) CheckConnectivity() error {
var err error
if err = db.Ping(); err != nil {
return err
}
if err = db.client.Ping(); err != nil {
return err
}
return err
}
// SyncDBAsync is like SyncDB except it also takes a result channel where the
// caller should wait to receive the result.
func (db *wiredDB) SyncDBAsync(res chan dbtypes.SyncResult,
quit chan struct{}, blockGetter rpcutils.BlockGetter, fetchToHeight int64) {
// Ensure the db is working
if err := db.CheckConnectivity(); err != nil {
res <- dbtypes.SyncResult{
Height: -1,
Error: fmt.Errorf("CheckConnectivity failed: %v", err),
}
return
}
// Set the first height at which the smart client should wait for the block.
if !(blockGetter == nil || blockGetter.(*rpcutils.BlockGate) == nil) {
log.Debugf("Setting block gate height to %d", fetchToHeight)
db.initWaitChan(blockGetter.WaitForHeight(fetchToHeight))
}
go func() {
height, err := db.resyncDB(quit, blockGetter, fetchToHeight)
res <- dbtypes.SyncResult{
Height: height,
Error: err,
}
}()
}
func (db *wiredDB) SyncDB(wg *sync.WaitGroup, quit chan struct{},
blockGetter rpcutils.BlockGetter, fetchToHeight int64) (int64, error) {
// Ensure the db is working
defer wg.Done()
if err := db.CheckConnectivity(); err != nil {
return -1, fmt.Errorf("CheckConnectivity failed: %v", err)
}
// Set the first height at which the smart client should wait for the block.
if !(blockGetter == nil || blockGetter.(*rpcutils.BlockGate) == nil) {
log.Debugf("Setting block gate height to %d", fetchToHeight)
db.initWaitChan(blockGetter.WaitForHeight(fetchToHeight))
}
return db.resyncDB(quit, blockGetter, fetchToHeight)
}
func (db *wiredDB) GetStakeDB() *stakedb.StakeDatabase {
return db.sDB
}
func (db *wiredDB) GetHeight() int {
return int(db.GetBestBlockHeight())
}
func (db *wiredDB) GetBestBlockHash() (string, error) {
hash := db.DBDataSaver.GetBestBlockHash()
var err error
if len(hash) == 0 {
err = fmt.Errorf("unable to get best block hash")
}
return hash, err
}
func (db *wiredDB) GetChainParams() *chaincfg.Params {
return db.params
}
func (db *wiredDB) GetBlockHash(idx int64) (string, error) {
hash, err := db.RetrieveBlockHash(idx)
if err != nil {
log.Errorf("Unable to get block hash for block number %d: %v", idx, err)
return "", err
}
return hash, nil
}
func (db *wiredDB) GetBlockHeight(hash string) (int64, error) {
height, err := db.RetrieveBlockHeight(hash)
if err != nil {
log.Errorf("Unable to get block height for hash %s: %v", hash, err)
return -1, err
}
return height, nil
}
func (db *wiredDB) GetHeader(idx int) *dcrjson.GetBlockHeaderVerboseResult {
return rpcutils.GetBlockHeaderVerbose(db.client, db.params, int64(idx))
}
func (db *wiredDB) GetBlockVerbose(idx int, verboseTx bool) *dcrjson.GetBlockVerboseResult {
return rpcutils.GetBlockVerbose(db.client, db.params, int64(idx), verboseTx)
}
func (db *wiredDB) GetBlockVerboseByHash(hash string, verboseTx bool) *dcrjson.GetBlockVerboseResult {
return rpcutils.GetBlockVerboseByHash(db.client, db.params, hash, verboseTx)
}
func (db *wiredDB) CoinSupply() (supply *apitypes.CoinSupply) {
coinSupply, err := db.client.GetCoinSupply()
if err != nil {
log.Errorf("RPC failure (GetCoinSupply): %v", err)
return
}
hash, height, err := db.client.GetBestBlock()
if err != nil {
log.Errorf("RPC failure (GetBestBlock): %v", err)
return
}
return &apitypes.CoinSupply{
Height: height,
Hash: hash.String(),
Mined: int64(coinSupply),
Ultimate: txhelpers.UltimateSubsidy(db.params),
}
}
func (db *wiredDB) BlockSubsidy(height int64, voters uint16) *dcrjson.GetBlockSubsidyResult {
blockSubsidy, err := db.client.GetBlockSubsidy(height, voters)
if err != nil {
return nil
}
return blockSubsidy
}
func (db *wiredDB) GetTransactionsForBlock(idx int64) *apitypes.BlockTransactions {
blockVerbose := rpcutils.GetBlockVerbose(db.client, db.params, idx, false)
return makeBlockTransactions(blockVerbose)
}
func (db *wiredDB) GetTransactionsForBlockByHash(hash string) *apitypes.BlockTransactions {
blockVerbose := rpcutils.GetBlockVerboseByHash(db.client, db.params, hash, false)
return makeBlockTransactions(blockVerbose)
}
func makeBlockTransactions(blockVerbose *dcrjson.GetBlockVerboseResult) *apitypes.BlockTransactions {
blockTransactions := new(apitypes.BlockTransactions)
blockTransactions.Tx = make([]string, len(blockVerbose.Tx))
copy(blockTransactions.Tx, blockVerbose.Tx)
blockTransactions.STx = make([]string, len(blockVerbose.STx))
copy(blockTransactions.STx, blockVerbose.STx)
return blockTransactions
}
func (db *wiredDB) GetAllTxIn(txid string) []*apitypes.TxIn {
txhash, err := chainhash.NewHashFromStr(txid)
if err != nil {
log.Errorf("Invalid transaction hash %s", txid)
return nil
}
tx, err := db.client.GetRawTransaction(txhash)
if err != nil {
log.Errorf("Unknown transaction %s", txid)
return nil
}
allTxIn0 := tx.MsgTx().TxIn
allTxIn := make([]*apitypes.TxIn, len(allTxIn0))
for i := range allTxIn {
txIn := &apitypes.TxIn{
PreviousOutPoint: apitypes.OutPoint{
Hash: allTxIn0[i].PreviousOutPoint.Hash.String(),
Index: allTxIn0[i].PreviousOutPoint.Index,
Tree: allTxIn0[i].PreviousOutPoint.Tree,
},
Sequence: allTxIn0[i].Sequence,
ValueIn: dcrutil.Amount(allTxIn0[i].ValueIn).ToCoin(),
BlockHeight: allTxIn0[i].BlockHeight,
BlockIndex: allTxIn0[i].BlockIndex,
SignatureScript: hex.EncodeToString(allTxIn0[i].SignatureScript),
}
allTxIn[i] = txIn
}
return allTxIn
}
func (db *wiredDB) GetAllTxOut(txid string) []*apitypes.TxOut {
txhash, err := chainhash.NewHashFromStr(txid)
if err != nil {
log.Infof("Invalid transaction hash %s", txid)
return nil
}
tx, err := db.client.GetRawTransaction(txhash)
if err != nil {
log.Warnf("Unknown transaction %s", txid)
return nil
}
allTxOut0 := tx.MsgTx().TxOut
allTxOut := make([]*apitypes.TxOut, len(allTxOut0))
for i := range allTxOut {
var addresses []string
_, txAddrs, _, err := txscript.ExtractPkScriptAddrs(
allTxOut0[i].Version, allTxOut0[i].PkScript, db.params)
if err != nil {
log.Warnf("Unable to extract addresses from PkScript: %v", err)
} else {
addresses = make([]string, 0, len(txAddrs))
for i := range txAddrs {
addresses = append(addresses, txAddrs[i].String())
}
}
txOut := &apitypes.TxOut{
Value: dcrutil.Amount(allTxOut0[i].Value).ToCoin(),
Version: allTxOut0[i].Version,
PkScript: hex.EncodeToString(allTxOut0[i].PkScript),
Addresses: addresses,
}
allTxOut[i] = txOut
}
return allTxOut
}
// GetRawTransactionWithPrevOutAddresses looks up the previous outpoints for a
// transaction and extracts a slice of addresses encoded by the pkScript for
// each previous outpoint consumed by the transaction.
func (db *wiredDB) GetRawTransactionWithPrevOutAddresses(txid string) (*apitypes.Tx, [][]string) {
tx, _ := db.getRawTransaction(txid)
if tx == nil {
return nil, nil
}
prevOutAddresses := make([][]string, len(tx.Vin))
for i := range tx.Vin {
vin := &tx.Vin[i]
// Skip inspecting previous outpoint for coinbase transaction, and
// vin[0] of stakebase transcation.
if vin.IsCoinBase() || (vin.IsStakeBase() && i == 0) {
continue
}
var err error
prevOutAddresses[i], err = txhelpers.OutPointAddressesFromString(
vin.Txid, vin.Vout, vin.Tree, db.client, db.params)
if err != nil {
log.Warnf("failed to get outpoint address from txid: %v", err)
}
}
return tx, prevOutAddresses
}
func (db *wiredDB) GetRawTransaction(txid string) *apitypes.Tx {
tx, _ := db.getRawTransaction(txid)
return tx
}
func (db *wiredDB) GetTransactionHex(txid string) string {
_, hex := db.getRawTransaction(txid)
return hex
}
func (db *wiredDB) DecodeRawTransaction(txhex string) (*dcrjson.TxRawResult, error) {
bytes, err := hex.DecodeString(txhex)
if err != nil {
log.Errorf("DecodeRawTransaction failed: %v", err)
return nil, err
}
tx, err := db.client.DecodeRawTransaction(bytes)
if err != nil {
log.Errorf("DecodeRawTransaction failed: %v", err)
return nil, err
}
return tx, nil
}
func (db *wiredDB) SendRawTransaction(txhex string) (string, error) {
msg, err := txhelpers.MsgTxFromHex(txhex)
if err != nil {
log.Errorf("SendRawTransaction failed: could not decode tx")
return "", err
}
hash, err := db.client.SendRawTransaction(msg, true)
if err != nil {
log.Errorf("SendRawTransaction failed: %v", err)
return "", err
}
return hash.String(), err
}
func (db *wiredDB) GetTrimmedTransaction(txid string) *apitypes.TrimmedTx {
tx, _ := db.getRawTransaction(txid)
if tx == nil {
return nil
}
return &apitypes.TrimmedTx{
TxID: tx.TxID,
Version: tx.Version,
Locktime: tx.Locktime,
Expiry: tx.Expiry,
Vin: tx.Vin,
Vout: tx.Vout,
}
}
func (db *wiredDB) getRawTransaction(txid string) (*apitypes.Tx, string) {
tx := new(apitypes.Tx)
txhash, err := chainhash.NewHashFromStr(txid)
if err != nil {
log.Errorf("Invalid transaction hash %s", txid)
return nil, ""
}
txraw, err := db.client.GetRawTransactionVerbose(txhash)
if err != nil {
log.Errorf("GetRawTransactionVerbose failed for %v: %v", txhash, err)
return nil, ""
}
// TxShort
tx.TxID = txraw.Txid
tx.Size = int32(len(txraw.Hex) / 2)
tx.Version = txraw.Version
tx.Locktime = txraw.LockTime
tx.Expiry = txraw.Expiry
tx.Vin = make([]dcrjson.Vin, len(txraw.Vin))
copy(tx.Vin, txraw.Vin)
tx.Vout = make([]apitypes.Vout, len(txraw.Vout))
for i := range txraw.Vout {
tx.Vout[i].Value = txraw.Vout[i].Value
tx.Vout[i].N = txraw.Vout[i].N
tx.Vout[i].Version = txraw.Vout[i].Version
spk := &tx.Vout[i].ScriptPubKeyDecoded
spkRaw := &txraw.Vout[i].ScriptPubKey
spk.Asm = spkRaw.Asm
spk.ReqSigs = spkRaw.ReqSigs
spk.Type = spkRaw.Type
spk.Addresses = make([]string, len(spkRaw.Addresses))
for j := range spkRaw.Addresses {
spk.Addresses[j] = spkRaw.Addresses[j]
}
if spkRaw.CommitAmt != nil {
spk.CommitAmt = new(float64)
*spk.CommitAmt = *spkRaw.CommitAmt
}
}
tx.Confirmations = txraw.Confirmations
// BlockID
tx.Block = new(apitypes.BlockID)
tx.Block.BlockHash = txraw.BlockHash
tx.Block.BlockHeight = txraw.BlockHeight
tx.Block.BlockIndex = txraw.BlockIndex
tx.Block.Time = txraw.Time
tx.Block.BlockTime = txraw.Blocktime
return tx, txraw.Hex
}
// GetVoteVersionInfo requests stake version info from the dcrd RPC server
func (db *wiredDB) GetVoteVersionInfo(ver uint32) (*dcrjson.GetVoteInfoResult, error) {
return db.client.GetVoteInfo(ver)
}
// GetStakeVersions requests the output of the getstakeversions RPC, which gets
// stake version information and individual vote version information starting at the
// given block and for count-1 blocks prior.
func (db *wiredDB) GetStakeVersions(txHash string, count int32) (*dcrjson.GetStakeVersionsResult, error) {
return db.client.GetStakeVersions(txHash, count)
}
// GetStakeVersionsLatest requests the output of the getstakeversions RPC for
// just the current best block.
func (db *wiredDB) GetStakeVersionsLatest() (*dcrjson.StakeVersions, error) {
txHash, err := db.GetBestBlockHash()
if err != nil {
return nil, err
}
stkVers, err := db.GetStakeVersions(txHash, 1)
if err != nil || stkVers == nil || len(stkVers.StakeVersions) == 0 {
return nil, err
}
stkVer := stkVers.StakeVersions[0]
return &stkVer, nil
}
// GetVoteInfo attempts to decode the vote bits of a SSGen transaction. If the
// transaction is not a valid SSGen, the VoteInfo output will be nil. Depending
// on the stake version with which dcrdata is compiled with (chaincfg.Params),
// the Choices field of VoteInfo may be a nil slice even if the votebits were
// set for a previously-valid agenda.
func (db *wiredDB) GetVoteInfo(txid string) (*apitypes.VoteInfo, error) {
txhash, err := chainhash.NewHashFromStr(txid)
if err != nil {
log.Errorf("Invalid transaction hash %s", txid)
return nil, nil
}
tx, err := db.client.GetRawTransaction(txhash)
if err != nil {
log.Errorf("GetRawTransaction failed for: %v", txhash)
return nil, nil
}
validation, version, bits, choices, err := txhelpers.SSGenVoteChoices(tx.MsgTx(), db.params)
if err != nil {
return nil, err
}
vinfo := &apitypes.VoteInfo{
Validation: apitypes.BlockValidation{
Hash: validation.Hash.String(),
Height: validation.Height,
Validity: validation.Validity,
},
Version: version,
Bits: bits,
Choices: choices,
}
return vinfo, nil
}
func (db *wiredDB) GetStakeDiffEstimates() *apitypes.StakeDiff {
sd := rpcutils.GetStakeDiffEstimates(db.client)
height := db.MPC.GetHeight()
winSize := uint32(db.params.StakeDiffWindowSize)
sd.IdxBlockInWindow = int(height%winSize) + 1
sd.PriceWindowNum = int(height / winSize)
return sd
}
func (db *wiredDB) GetFeeInfo(idx int) *dcrjson.FeeInfoBlock {
stakeInfo, err := db.RetrieveStakeInfoExtended(int64(idx))
if err != nil {
log.Errorf("Unable to retrieve stake info: %v", err)
return nil
}
return &stakeInfo.Feeinfo
}
func (db *wiredDB) GetStakeInfoExtended(idx int) *apitypes.StakeInfoExtended {
stakeInfo, err := db.RetrieveStakeInfoExtended(int64(idx))
if err != nil {
log.Errorf("Unable to retrieve stake info: %v", err)
return nil
}
return stakeInfo
}
func (db *wiredDB) GetSummary(idx int) *apitypes.BlockDataBasic {
blockSummary, err := db.RetrieveBlockSummary(int64(idx))
if err != nil {
log.Errorf("Unable to retrieve block summary: %v", err)
return nil
}
return blockSummary
}
func (db *wiredDB) GetSummaryByHash(hash string) *apitypes.BlockDataBasic {
blockSummary, err := db.RetrieveBlockSummaryByHash(hash)
if err != nil {
log.Errorf("Unable to retrieve block summary: %v", err)
return nil
}
return blockSummary
}
func (db *wiredDB) GetBestBlockSummary() *apitypes.BlockDataBasic {
dbBlkHeight, err := db.GetBlockSummaryHeight()
if err != nil {
log.Errorf("GetBlockSummaryHeight failed: %v", err)
return nil
}
blockSummary, err := db.RetrieveBlockSummary(dbBlkHeight)
if err != nil {
log.Errorf("Unable to retrieve block %d summary: %v", dbBlkHeight, err)
return nil
}
return blockSummary
}
func (db *wiredDB) GetBlockSize(idx int) (int32, error) {
blockSizes, err := db.RetrieveBlockSizeRange(int64(idx), int64(idx))
if err != nil {
log.Errorf("Unable to retrieve block %d size: %v", idx, err)
return -1, err
}
if len(blockSizes) == 0 {
log.Errorf("Unable to retrieve block %d size: %v", idx, err)
return -1, fmt.Errorf("empty block size slice")
}
return blockSizes[0], nil
}
func (db *wiredDB) GetBlockSizeRange(idx0, idx1 int) ([]int32, error) {
blockSizes, err := db.RetrieveBlockSizeRange(int64(idx0), int64(idx1))
if err != nil {
log.Errorf("Unable to retrieve block size range: %v", err)
return nil, err
}
return blockSizes, nil
}
func (db *wiredDB) GetPool(idx int64) ([]string, error) {
hs, err := db.sDB.PoolDB.Pool(idx)
if err != nil {
log.Errorf("Unable to get ticket pool from stakedb: %v", err)
return nil, err
}
hss := make([]string, 0, len(hs))
for i := range hs {
hss = append(hss, hs[i].String())
}
return hss, nil
}
func (db *wiredDB) GetPoolByHash(hash string) ([]string, error) {
idx, err := db.GetBlockHeight(hash)
if err != nil {
log.Errorf("Unable to retrieve block height for hash %s: %v", hash, err)
return nil, err
}
hs, err := db.sDB.PoolDB.Pool(idx)
if err != nil {
log.Errorf("Unable to get ticket pool from stakedb: %v", err)
return nil, err
}
hss := make([]string, 0, len(hs))
for i := range hs {
hss = append(hss, hs[i].String())
}
return hss, nil
}
// GetBlockSummaryTimeRange returns the blocks created within a specified time
// range min, max time
func (db *wiredDB) GetBlockSummaryTimeRange(min, max int64, limit int) []apitypes.BlockDataBasic {
blockSummary, err := db.RetrieveBlockSummaryByTimeRange(min, max, limit)
if err != nil {
log.Errorf("Unable to retrieve block summary using time %d: %v", min, err)
}
return blockSummary
}
func (db *wiredDB) GetPoolInfo(idx int) *apitypes.TicketPoolInfo {
ticketPoolInfo, err := db.RetrievePoolInfo(int64(idx))
if err != nil {
log.Errorf("Unable to retrieve ticket pool info: %v", err)
return nil
}
return ticketPoolInfo
}
func (db *wiredDB) GetPoolInfoByHash(hash string) *apitypes.TicketPoolInfo {
ticketPoolInfo, err := db.RetrievePoolInfoByHash(hash)
if err != nil {
log.Errorf("Unable to retrieve ticket pool info: %v", err)
return nil
}
return ticketPoolInfo
}
func (db *wiredDB) GetPoolInfoRange(idx0, idx1 int) []apitypes.TicketPoolInfo {
ticketPoolInfos, _, err := db.RetrievePoolInfoRange(int64(idx0), int64(idx1))
if err != nil {
log.Errorf("Unable to retrieve ticket pool info range: %v", err)
return nil
}
return ticketPoolInfos
}
func (db *wiredDB) GetPoolValAndSizeRange(idx0, idx1 int) ([]float64, []float64) {
poolvals, poolsizes, err := db.RetrievePoolValAndSizeRange(int64(idx0), int64(idx1))
if err != nil {
log.Errorf("Unable to retrieve ticket value and size range: %v", err)
return nil, nil
}
return poolvals, poolsizes
}
func (db *wiredDB) GetSDiff(idx int) float64 {
sdiff, err := db.RetrieveSDiff(int64(idx))
if err != nil {
log.Errorf("Unable to retrieve stake difficulty: %v", err)
return -1
}
return sdiff
}
func (db *wiredDB) GetSDiffRange(idx0, idx1 int) []float64 {
sdiffs, err := db.RetrieveSDiffRange(int64(idx0), int64(idx1))
if err != nil {
log.Errorf("Unable to retrieve stake difficulty range: %v", err)
return nil
}
return sdiffs
}
func (db *wiredDB) GetMempoolSSTxSummary() *apitypes.MempoolTicketFeeInfo {
_, feeInfo := db.MPC.GetFeeInfoExtra()
return feeInfo
}
func (db *wiredDB) GetMempoolSSTxFeeRates(N int) *apitypes.MempoolTicketFees {
height, timestamp, totalFees, fees := db.MPC.GetFeeRates(N)
mpTicketFees := apitypes.MempoolTicketFees{
Height: height,
Time: timestamp,
Length: uint32(len(fees)),
Total: uint32(totalFees),
FeeRates: fees,
}
return &mpTicketFees
}
func (db *wiredDB) GetMempoolSSTxDetails(N int) *apitypes.MempoolTicketDetails {
height, timestamp, totalSSTx, details := db.MPC.GetTicketsDetails(N)
mpTicketDetails := apitypes.MempoolTicketDetails{
Height: height,
Time: timestamp,
Length: uint32(len(details)),
Total: uint32(totalSSTx),
Tickets: []*apitypes.TicketDetails(details),
}
return &mpTicketDetails
}
// GetAddressTransactionsWithSkip returns an apitypes.Address Object with at most the
// last count transactions the address was in
func (db *wiredDB) GetAddressTransactionsWithSkip(addr string, count, skip int) *apitypes.Address {
address, err := dcrutil.DecodeAddress(addr)
if err != nil {
log.Infof("Invalid address %s: %v", addr, err)
return nil
}
txs, err := db.client.SearchRawTransactionsVerbose(address, skip, count, false, true, nil)
if err != nil {
log.Warnf("GetAddressTransactions failed for address %s: %v", addr, err)
return nil
}
tx := make([]*apitypes.AddressTxShort, 0, len(txs))
for i := range txs {
tx = append(tx, &apitypes.AddressTxShort{
TxID: txs[i].Txid,
Time: txs[i].Time,
Value: txhelpers.TotalVout(txs[i].Vout).ToCoin(),
Confirmations: int64(txs[i].Confirmations),
Size: int32(len(txs[i].Hex) / 2),
})
}
return &apitypes.Address{
Address: addr,
Transactions: tx,
}
}
// GetAddressTransactions returns an apitypes.Address Object with at most the
// last count transactions the address was in
func (db *wiredDB) GetAddressTransactions(addr string, count int) *apitypes.Address {
return db.GetAddressTransactionsWithSkip(addr, count, 0)
}
// GetAddressTransactionsRaw returns an array of apitypes.AddressTxRaw objects
// representing the raw result of SearchRawTransactionsverbose
func (db *wiredDB) GetAddressTransactionsRaw(addr string, count int) []*apitypes.AddressTxRaw {
return db.GetAddressTransactionsRawWithSkip(addr, count, 0)
}
// GetAddressTransactionsRawWithSkip returns an array of apitypes.AddressTxRaw objects
// representing the raw result of SearchRawTransactionsverbose
func (db *wiredDB) GetAddressTransactionsRawWithSkip(addr string, count int, skip int) []*apitypes.AddressTxRaw {
address, err := dcrutil.DecodeAddress(addr)
if err != nil {
log.Infof("Invalid address %s: %v", addr, err)
return nil
}
txs, err := db.client.SearchRawTransactionsVerbose(address, skip, count, true, true, nil)
if err != nil {
log.Warnf("GetAddressTransactionsRaw failed for address %s: %v", addr, err)
return nil
}
txarray := make([]*apitypes.AddressTxRaw, 0, len(txs))
for i := range txs {
tx := new(apitypes.AddressTxRaw)
tx.Size = int32(len(txs[i].Hex) / 2)
tx.TxID = txs[i].Txid
tx.Version = txs[i].Version
tx.Locktime = txs[i].LockTime
tx.Vin = make([]dcrjson.VinPrevOut, len(txs[i].Vin))
copy(tx.Vin, txs[i].Vin)
tx.Confirmations = int64(txs[i].Confirmations)
tx.BlockHash = txs[i].BlockHash
tx.Blocktime = txs[i].Blocktime
tx.Time = txs[i].Time
tx.Vout = make([]apitypes.Vout, len(txs[i].Vout))
for j := range txs[i].Vout {
tx.Vout[j].Value = txs[i].Vout[j].Value
tx.Vout[j].N = txs[i].Vout[j].N
tx.Vout[j].Version = txs[i].Vout[j].Version
spk := &tx.Vout[j].ScriptPubKeyDecoded
spkRaw := &txs[i].Vout[j].ScriptPubKey
spk.Asm = spkRaw.Asm
spk.ReqSigs = spkRaw.ReqSigs
spk.Type = spkRaw.Type
spk.Addresses = make([]string, len(spkRaw.Addresses))
for k := range spkRaw.Addresses {
spk.Addresses[k] = spkRaw.Addresses[k]
}
if spkRaw.CommitAmt != nil {
spk.CommitAmt = new(float64)
*spk.CommitAmt = *spkRaw.CommitAmt
}
}
txarray = append(txarray, tx)
}
return txarray
}
func makeExplorerBlockBasic(data *dcrjson.GetBlockVerboseResult) *explorer.BlockBasic {
block := &explorer.BlockBasic{
Height: data.Height,
Size: data.Size,
Valid: true, // we do not know this, TODO with DB v2
Voters: data.Voters,
Transactions: len(data.RawTx),
FreshStake: data.FreshStake,
BlockTime: data.Time,
FormattedBytes: humanize.Bytes(uint64(data.Size)),
FormattedTime: time.Unix(data.Time, 0).Format("2006-01-02 15:04:05"),
}
// Count the number of revocations
for i := range data.RawSTx {
msgTx, err := txhelpers.MsgTxFromHex(data.RawSTx[i].Hex)
if err != nil {
log.Errorf("Unknown transaction %s", data.RawSTx[i].Txid)
continue
}
if stake.IsSSRtx(msgTx) {
block.Revocations++
}
}
return block
}
func makeExplorerTxBasic(data dcrjson.TxRawResult, msgTx *wire.MsgTx, params *chaincfg.Params) *explorer.TxBasic {
tx := new(explorer.TxBasic)
tx.TxID = data.Txid
tx.FormattedSize = humanize.Bytes(uint64(len(data.Hex) / 2))
tx.Total = txhelpers.TotalVout(data.Vout).ToCoin()
tx.Fee, tx.FeeRate = txhelpers.TxFeeRate(msgTx)
for _, i := range data.Vin {
if i.IsCoinBase() {
tx.Coinbase = true
}
}
if stake.IsSSGen(msgTx) {
validation, version, bits, choices, err := txhelpers.SSGenVoteChoices(msgTx, params)
if err != nil {
log.Debugf("Cannot get vote choices for %s", tx.TxID)
return tx
}
tx.VoteInfo = &explorer.VoteInfo{
Validation: explorer.BlockValidation{
Hash: validation.Hash.String(),
Height: validation.Height,
Validity: validation.Validity,
},
Version: version,
Bits: bits,
Choices: choices,
}
}
return tx
}
func makeExplorerAddressTx(data *dcrjson.SearchRawTransactionsResult, address string) *explorer.AddressTx {
tx := new(explorer.AddressTx)
tx.TxID = data.Txid
tx.FormattedSize = humanize.Bytes(uint64(len(data.Hex) / 2))
tx.Total = txhelpers.TotalVout(data.Vout).ToCoin()
tx.Time = data.Time
t := time.Unix(tx.Time, 0)
tx.FormattedTime = t.Format("2006-01-02 15:04:05")
tx.Confirmations = data.Confirmations
for i := range data.Vin {
if data.Vin[i].PrevOut != nil && len(data.Vin[i].PrevOut.Addresses) > 0 {
if data.Vin[i].PrevOut.Addresses[0] == address {
tx.SentTotal += *data.Vin[i].AmountIn
}
}
}
for i := range data.Vout {
if len(data.Vout[i].ScriptPubKey.Addresses) != 0 {
if data.Vout[i].ScriptPubKey.Addresses[0] == address {
tx.ReceivedTotal += data.Vout[i].Value
}
}
}
return tx
}
func (db *wiredDB) GetExplorerBlocks(start int, end int) []*explorer.BlockBasic {
if start < end {
return nil
}
summaries := make([]*explorer.BlockBasic, 0, start-end)
for i := start; i > end; i-- {
data := db.GetBlockVerbose(i, true)
block := new(explorer.BlockBasic)
if data != nil {
block = makeExplorerBlockBasic(data)
}
summaries = append(summaries, block)
}
return summaries
}
func (db *wiredDB) GetExplorerBlock(hash string) *explorer.BlockInfo {
data := db.GetBlockVerboseByHash(hash, true)
if data == nil {
log.Error("Unable to get block for block hash " + hash)
return nil
}
// Explorer Block Info
block := &explorer.BlockInfo{
BlockBasic: makeExplorerBlockBasic(data),
Hash: data.Hash,
Version: data.Version,
Confirmations: data.Confirmations,