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update btctxgen

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pull/75/head
Richard Liu 6 years ago
parent d0beb8a310
commit 100d18d329
2 changed files with 55 additions and 63 deletions
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  1. 50
      client/btctxgen/main.go
  2. 70
      client/btctxiter/btctxiter.go

50
client/btctxgen/main.go
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@ -24,9 +24,6 @@ import (
"sync"
"time"
btcblockchain "github.com/btcsuite/btcd/blockchain"
"github.com/btcsuite/btcd/chaincfg"
"github.com/btcsuite/btcd/txscript"
"github.com/simple-rules/harmony-benchmark/blockchain"
"github.com/simple-rules/harmony-benchmark/client"
"github.com/simple-rules/harmony-benchmark/client/btctxiter"
@ -53,7 +50,7 @@ type TXRef struct {
var (
utxoPoolMutex sync.Mutex
setting txGenSettings
btcTXIter btctxiter.BTCTXIterator
iter btctxiter.BTCTXIterator
utxoMapping map[string]TXRef // btcTXID to { txID, shardID }
// map from bitcoin address to a int value (the privKey in hmy)
addressMapping map[[20]byte]int
@ -108,49 +105,42 @@ func generateSimulatedTransactions(shardID int, dataNodes []*node.Node) ([]*bloc
LOOP:
for true {
btcTx := btcTXIter.NextTx()
btcTx := iter.NextTx()
if btcTx == nil {
log.Error("Failed to parse tx", "height", iter.GetBlockIndex())
}
tx := blockchain.Transaction{}
isCrossShardTx := false
if btcblockchain.IsCoinBaseTx(btcTx.MsgTx()) {
if iter.IsCoinBaseTx(btcTx) {
// ricl: coinbase tx should just have one txo
btcTXO := btcTx.MsgTx().TxOut[0]
_, addresses, _, _ := txscript.ExtractPkScriptAddrs(
btcTXO.PkScript, &chaincfg.MainNetParams)
btcTXOAddr := addresses[0]
if btcTXOAddr == nil {
log.Warn("TxOut: can't decode address")
}
btcTXO := btcTx.Vout[0]
btcTXOAddr := btcTXO.ScriptPubKey.Addresses[0]
var toAddress [20]byte
copy(toAddress[:], btcTXOAddr.ScriptAddress())
copy(toAddress[:], btcTXOAddr) // TODO(ricl): string to [20]byte
hmyInt := getHmyInt(toAddress)
tx = *blockchain.NewCoinbaseTX(pki.GetAddressFromInt(hmyInt), "", nodeShardID)
utxoMapping[btcTx.Hash().String()] = TXRef{tx.ID, nodeShardID, toAddress}
utxoMapping[btcTx.Hash] = TXRef{tx.ID, nodeShardID, toAddress}
} else {
var btcFromAddresses [][20]byte
for _, btcTXI := range btcTx.MsgTx().TxIn {
btcTXIDStr := btcTXI.PreviousOutPoint.Hash.String()
for _, btcTXI := range btcTx.Vin {
btcTXIDStr := btcTXI.Txid
txRef := utxoMapping[btcTXIDStr] // find the corresponding harmony tx info
if txRef.shardID != nodeShardID {
isCrossShardTx = true
}
tx.TxInput = append(tx.TxInput, *blockchain.NewTXInput(blockchain.NewOutPoint(&txRef.txID, btcTXI.PreviousOutPoint.Index), [20]byte{}, txRef.shardID))
tx.TxInput = append(tx.TxInput, *blockchain.NewTXInput(blockchain.NewOutPoint(&txRef.txID, btcTXI.Vout), [20]byte{}, txRef.shardID))
// Add the from address to array, so that we can later use it to sign the tx.
btcFromAddresses = append(btcFromAddresses, txRef.toAddress)
}
for _, btcTXO := range btcTx.MsgTx().TxOut {
_, addresses, _, _ := txscript.ExtractPkScriptAddrs(
btcTXO.PkScript, &chaincfg.MainNetParams)
for _, btcTXOAddr := range addresses {
if btcTXOAddr == nil {
log.Warn("TxOut: can't decode address")
}
for _, btcTXO := range btcTx.Vout {
for _, btcTXOAddr := range btcTXO.ScriptPubKey.Addresses {
var toAddress [20]byte
copy(toAddress[:], btcTXOAddr.ScriptAddress())
copy(toAddress[:], btcTXOAddr) //TODO(ricl): string to [20]byte
txo := blockchain.TXOutput{Amount: int(btcTXO.Value), Address: toAddress, ShardID: nodeShardID}
tx.TxOutput = append(tx.TxOutput, txo)
utxoMapping[btcTx.Hash().String()] = TXRef{tx.ID, nodeShardID, toAddress}
utxoMapping[btcTx.Txid] = TXRef{tx.ID, nodeShardID, toAddress}
}
}
// get private key and sign the tx
@ -166,7 +156,7 @@ LOOP:
} else {
txs = append(txs, &tx)
}
// log.Debug("[Generator] transformed btc tx", "block height", btcTXIter.GetBlockIndex(), "block tx count", btcTXIter.GetBlock().TxCount, "block tx cnt", len(btcTXIter.GetBlock().Txs), "txi", len(tx.TxInput), "txo", len(tx.TxOutput), "txCount", cnt)
// log.Debug("[Generator] transformed btc tx", "block height", iter.GetBlockIndex(), "block tx count", iter.GetBlock().TxCount, "block tx cnt", len(iter.GetBlock().Txs), "txi", len(tx.TxInput), "txo", len(tx.TxOutput), "txCount", cnt)
cnt++
if cnt >= setting.maxNumTxsPerBatch {
break LOOP
@ -236,7 +226,7 @@ func main() {
)
log.Root().SetHandler(h)
btcTXIter.Init()
iter.Init()
utxoMapping = make(map[string]TXRef)
addressMapping = make(map[[20]byte]int)
@ -272,7 +262,7 @@ func main() {
txs, crossTxs := generateSimulatedTransactions(int(shardId), nodes)
allCrossTxs = append(allCrossTxs, crossTxs...)
log.Debug("[Generator] Sending single-shard txs ...", "leader", leader, "numTxs", len(txs), "numCrossTxs", len(crossTxs), "block height", btcTXIter.GetBlockIndex())
log.Debug("[Generator] Sending single-shard txs ...", "leader", leader, "numTxs", len(txs), "numCrossTxs", len(crossTxs), "block height", iter.GetBlockIndex())
msg := proto_node.ConstructTransactionListMessage(txs)
p2p.SendMessage(leader, msg)
// Note cross shard txs are later sent in batch

70
client/btctxiter/btctxiter.go
Unescape View File

@ -1,34 +1,36 @@
package btctxiter
import (
"io/ioutil"
"log"
"path/filepath"
"github.com/btcsuite/btcutil"
"github.com/btcsuite/btcd/btcjson"
"github.com/btcsuite/btcd/rpcclient"
"github.com/btcsuite/btcd/wire"
"github.com/btcsuite/btcutil"
)
type BTCTXIterator struct {
blockIndex int64
block *wire.MsgBlock
block *btcjson.GetBlockVerboseResult
txIndex int
tx *btcutil.Tx
tx *btcjson.TxRawResult
client *rpcclient.Client
}
func (iter *BTCTXIterator) Init() {
// Connect to local bitcoin core RPC server using HTTP POST mode.
btcdHomeDir := btcutil.AppDataDir("btcd", false)
certs, err := ioutil.ReadFile(filepath.Join(btcdHomeDir, "rpc.cert"))
if err != nil {
log.Fatal(err)
}
connCfg := &rpcclient.ConnConfig{
Host: "localhost:8332",
User: "ricl",
Pass: "123",
HTTPPostMode: true, // Bitcoin core only supports HTTP POST mode
DisableTLS: true, // Bitcoin core does not provide TLS by default
}
// Notice the notification parameter is nil since notifications are
// not supported in HTTP POST mode.
var err error
Host: "localhost:8334",
Endpoint: "ws",
User: "yourusername",
Pass: "yourpassword",
Certificates: certs,
}
iter.client, err = rpcclient.New(connCfg, nil)
if err != nil {
log.Fatal(err)
@ -40,23 +42,14 @@ func (iter *BTCTXIterator) Init() {
}
// Move to the next transaction
func (iter *BTCTXIterator) NextTx() *btcutil.Tx {
func (iter *BTCTXIterator) NextTx() *btcjson.TxRawResult {
iter.txIndex++
hashes, err := iter.block.TxHashes()
if err != nil {
log.Println("Failed to get tx hashes", iter.blockIndex, iter.txIndex, err)
return nil
}
if iter.txIndex >= len(hashes) {
if iter.txIndex >= len(iter.block.RawTx) {
iter.nextBlock()
iter.txIndex++
}
iter.tx, err = iter.client.GetRawTransaction(&hashes[iter.txIndex])
if err != nil {
log.Println("Failed to get raw tx", iter.blockIndex, iter.txIndex, hashes[iter.txIndex], err)
return nil
}
log.Println(iter.blockIndex, iter.txIndex, hashes[iter.txIndex])
iter.tx = &iter.block.RawTx[iter.txIndex]
// log.Println(iter.blockIndex, iter.txIndex, hashes[iter.txIndex])
return iter.tx
}
@ -66,7 +59,7 @@ func (iter *BTCTXIterator) GetBlockIndex() int64 {
}
// Gets the current block
func (iter *BTCTXIterator) GetBlock() *wire.MsgBlock {
func (iter *BTCTXIterator) GetBlock() *btcjson.GetBlockVerboseResult {
return iter.block
}
@ -76,25 +69,34 @@ func (iter *BTCTXIterator) GetTxIndex() int {
}
// Gets the current transaction
func (iter *BTCTXIterator) GetTx() *btcutil.Tx {
func (iter *BTCTXIterator) GetTx() *btcjson.TxRawResult {
return iter.tx
}
func (iter *BTCTXIterator) IsCoinBaseTx(tx *btcjson.TxRawResult) bool {
// A coin base must only have one transaction input.
if len(tx.Vin) != 1 {
return false
}
return tx.Vin[0].IsCoinBase()
}
func (iter *BTCTXIterator) resetTx() {
iter.txIndex = -1
iter.tx = nil
}
// Move to the next block
func (iter *BTCTXIterator) nextBlock() *wire.MsgBlock {
func (iter *BTCTXIterator) nextBlock() *btcjson.GetBlockVerboseResult {
iter.blockIndex++
hash, err := iter.client.GetBlockHash(iter.blockIndex)
if err != nil {
log.Println("Failed to get block hash at", iter.blockIndex)
log.Panic("Failed to get block hash at", iter.blockIndex, err)
}
iter.block, err = iter.client.GetBlock(hash)
iter.block, err = iter.client.GetBlockVerboseTx(hash)
if err != nil {
log.Println("Failed to get block", iter.blockIndex, iter.block)
log.Panic("Failed to get block", iter.blockIndex, err)
}
iter.resetTx()

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