Merge branch 'master' into ethereum
commit
4de5673bb3
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@ -331,6 +331,11 @@ func (b *BitcoinRPC) GetBlockChainInfo() (string, error) {
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return res.Result.Chain, nil
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}
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func isErrBlockNotFound(err *bchain.RPCError) bool {
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return err.Message == "Block not found" ||
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err.Message == "Block height out of range"
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}
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// GetBlockHash returns hash of block in best-block-chain at given height.
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func (b *BitcoinRPC) GetBlockHash(height uint32) (string, error) {
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glog.V(1).Info("rpc: getblockhash ", height)
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@ -344,6 +349,9 @@ func (b *BitcoinRPC) GetBlockHash(height uint32) (string, error) {
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return "", errors.Annotatef(err, "height %v", height)
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}
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if res.Error != nil {
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if isErrBlockNotFound(res.Error) {
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return "", bchain.ErrBlockNotFound
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}
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return "", errors.Annotatef(res.Error, "height %v", height)
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}
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return res.Result, nil
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@ -363,6 +371,9 @@ func (b *BitcoinRPC) GetBlockHeader(hash string) (*bchain.BlockHeader, error) {
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return nil, errors.Annotatef(err, "hash %v", hash)
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}
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if res.Error != nil {
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if isErrBlockNotFound(res.Error) {
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return nil, bchain.ErrBlockNotFound
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}
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return nil, errors.Annotatef(res.Error, "hash %v", hash)
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}
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return &res.Result, nil
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@ -370,6 +381,13 @@ func (b *BitcoinRPC) GetBlockHeader(hash string) (*bchain.BlockHeader, error) {
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// GetBlock returns block with given hash.
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func (b *BitcoinRPC) GetBlock(hash string, height uint32) (*bchain.Block, error) {
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var err error
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if hash == "" && height > 0 {
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hash, err = b.GetBlockHash(height)
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if err != nil {
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return nil, err
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}
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}
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if !b.ParseBlocks {
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return b.GetBlockFull(hash)
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}
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@ -423,6 +441,9 @@ func (b *BitcoinRPC) GetBlockRaw(hash string) ([]byte, error) {
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return nil, errors.Annotatef(err, "hash %v", hash)
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}
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if res.Error != nil {
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if isErrBlockNotFound(res.Error) {
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return nil, bchain.ErrBlockNotFound
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}
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return nil, errors.Annotatef(res.Error, "hash %v", hash)
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}
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return hex.DecodeString(res.Result)
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@ -443,6 +464,9 @@ func (b *BitcoinRPC) GetBlockList(hash string) (*bchain.Block, error) {
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return nil, errors.Annotatef(err, "hash %v", hash)
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}
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if res.Error != nil {
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if isErrBlockNotFound(res.Error) {
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return nil, bchain.ErrBlockNotFound
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}
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return nil, errors.Annotatef(res.Error, "hash %v", hash)
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}
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@ -475,6 +499,9 @@ func (b *BitcoinRPC) GetBlockFull(hash string) (*bchain.Block, error) {
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return nil, errors.Annotatef(err, "hash %v", hash)
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}
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if res.Error != nil {
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if isErrBlockNotFound(res.Error) {
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return nil, bchain.ErrBlockNotFound
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}
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return nil, errors.Annotatef(res.Error, "hash %v", hash)
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}
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return &res.Result, nil
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@ -1,6 +1,17 @@
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package bchain
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import "fmt"
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import (
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"errors"
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"fmt"
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)
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// errors with specific meaning returned by blockchain rpc
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var (
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// ErrBlockNotFound is returned when block is not found
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// either unknown hash or too high height
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// can be returned from GetBlockHash, GetBlockHeader, GetBlock
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ErrBlockNotFound = errors.New("Block not found")
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)
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type ScriptSig struct {
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// Asm string `json:"asm"`
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40
db/sync.go
40
db/sync.go
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@ -4,7 +4,6 @@ import (
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"blockbook/bchain"
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"blockbook/common"
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"os"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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@ -20,6 +19,7 @@ type SyncWorker struct {
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syncWorkers, syncChunk int
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dryRun bool
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startHeight uint32
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startHash string
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chanOsSignal chan os.Signal
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metrics *common.Metrics
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}
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@ -67,10 +67,6 @@ func (w *SyncWorker) ResyncIndex(onNewBlock func(hash string)) error {
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return err
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}
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func isError(err error, s string) bool {
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return strings.Contains(err.Error(), s)
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}
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func (w *SyncWorker) resyncIndex(onNewBlock func(hash string)) error {
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remote, err := w.chain.GetBestBlockHash()
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if err != nil {
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@ -94,7 +90,7 @@ func (w *SyncWorker) resyncIndex(onNewBlock func(hash string)) error {
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header, err = w.chain.GetBlockHeader(local)
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forked := false
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if err != nil {
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if isError(err, "Block not found") {
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if err == bchain.ErrBlockNotFound {
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forked = true
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} else {
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return err
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@ -132,16 +128,15 @@ func (w *SyncWorker) resyncIndex(onNewBlock func(hash string)) error {
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}
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}
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var hash string
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if header != nil {
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glog.Info("resync: local is behind")
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hash = header.Next
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w.startHash = header.Next
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w.startHeight = localBestHeight
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} else {
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// If the local block is missing, we're indexing from the genesis block
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// or from the start block specified by flags
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glog.Info("resync: genesis from block ", w.startHeight)
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hash, err = w.chain.GetBlockHash(w.startHeight)
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w.startHash, err = w.chain.GetBlockHash(w.startHeight)
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if err != nil {
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return err
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}
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@ -166,15 +161,15 @@ func (w *SyncWorker) resyncIndex(onNewBlock func(hash string)) error {
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}
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}
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return w.connectBlocks(hash, onNewBlock)
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return w.connectBlocks(onNewBlock)
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}
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func (w *SyncWorker) connectBlocks(hash string, onNewBlock func(hash string)) error {
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func (w *SyncWorker) connectBlocks(onNewBlock func(hash string)) error {
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bch := make(chan blockResult, 8)
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done := make(chan struct{})
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defer close(done)
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go w.getBlockChain(hash, bch, done)
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go w.getBlockChain(bch, done)
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var lastRes blockResult
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for res := range bch {
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@ -276,7 +271,7 @@ func (w *SyncWorker) connectBlockChunk(lower, higher uint32) error {
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connected, err := w.isBlockConnected(higher)
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if err != nil || connected {
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// if higher is over the best block, continue with lower block, otherwise return error
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if isError(err, "Block height out of range") {
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if err != bchain.ErrBlockNotFound {
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return err
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}
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}
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@ -327,7 +322,7 @@ func (w *SyncWorker) ConnectBlocksParallelInChunks(lower, higher uint32) error {
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}
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err := w.connectBlockChunk(low, high)
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if err != nil {
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if isError(err, "Block height out of range") || isError(err, "Block not found") {
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if err == bchain.ErrBlockNotFound {
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break
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}
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glog.Fatalf("connectBlocksParallel %d-%d %v", low, high, err)
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@ -348,7 +343,7 @@ func (w *SyncWorker) isBlockConnected(height uint32) (bool, error) {
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if err != nil {
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return false, err
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}
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remote, err := w.db.GetBlockHash(height)
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remote, err := w.chain.GetBlockHash(height)
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if err != nil {
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return false, err
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}
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@ -363,21 +358,30 @@ type blockResult struct {
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err error
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}
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func (w *SyncWorker) getBlockChain(hash string, out chan blockResult, done chan struct{}) {
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func (w *SyncWorker) getBlockChain(out chan blockResult, done chan struct{}) {
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defer close(out)
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for hash != "" {
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hash := w.startHash
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height := w.startHeight
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// some coins do not return Next hash
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// must loop until error
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for {
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select {
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case <-done:
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return
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default:
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}
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block, err := w.chain.GetBlock(hash, 0)
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block, err := w.chain.GetBlock(hash, height)
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if err != nil {
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if err == bchain.ErrBlockNotFound {
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break
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}
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out <- blockResult{err: err}
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return
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}
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hash = block.Next
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height++
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out <- blockResult{block: block}
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}
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}
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