Merge pull request #201 from Bytom/v0.1

[bytom/vapor.git] / vendor / github.com / btcsuite / btcd / database / cmd / dbtool / loadheaders.go

diff --git a/vendor/github.com/btcsuite/btcd/database/cmd/dbtool/loadheaders.go b/vendor/github.com/btcsuite/btcd/database/cmd/dbtool/loadheaders.go
deleted file mode 100644 (file)
index a3ee8c7..0000000
--- a/vendor/github.com/btcsuite/btcd/database/cmd/dbtool/loadheaders.go
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright (c) 2015-2016 The btcsuite developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-package main
-
-import (
-       "time"
-
-       "github.com/btcsuite/btcd/chaincfg/chainhash"
-       "github.com/btcsuite/btcd/database"
-)
-
-// headersCmd defines the configuration options for the loadheaders command.
-type headersCmd struct {
-       Bulk bool `long:"bulk" description:"Use bulk loading of headers instead of one at a time"`
-}
-
-var (
-       // headersCfg defines the configuration options for the command.
-       headersCfg = headersCmd{
-               Bulk: false,
-       }
-)
-
-// Execute is the main entry point for the command.  It's invoked by the parser.
-func (cmd *headersCmd) Execute(args []string) error {
-       // Setup the global config options and ensure they are valid.
-       if err := setupGlobalConfig(); err != nil {
-               return err
-       }
-
-       // Load the block database.
-       db, err := loadBlockDB()
-       if err != nil {
-               return err
-       }
-       defer db.Close()
-
-       // NOTE: This code will only work for ffldb.  Ideally the package using
-       // the database would keep a metadata index of its own.
-       blockIdxName := []byte("ffldb-blockidx")
-       if !headersCfg.Bulk {
-               err = db.View(func(tx database.Tx) error {
-                       totalHdrs := 0
-                       blockIdxBucket := tx.Metadata().Bucket(blockIdxName)
-                       blockIdxBucket.ForEach(func(k, v []byte) error {
-                               totalHdrs++
-                               return nil
-                       })
-                       log.Infof("Loading headers for %d blocks...", totalHdrs)
-                       numLoaded := 0
-                       startTime := time.Now()
-                       blockIdxBucket.ForEach(func(k, v []byte) error {
-                               var hash chainhash.Hash
-                               copy(hash[:], k)
-                               _, err := tx.FetchBlockHeader(&hash)
-                               if err != nil {
-                                       return err
-                               }
-                               numLoaded++
-                               return nil
-                       })
-                       log.Infof("Loaded %d headers in %v", numLoaded,
-                               time.Since(startTime))
-                       return nil
-               })
-               return err
-       }
-
-       // Bulk load headers.
-       err = db.View(func(tx database.Tx) error {
-               blockIdxBucket := tx.Metadata().Bucket(blockIdxName)
-               hashes := make([]chainhash.Hash, 0, 500000)
-               blockIdxBucket.ForEach(func(k, v []byte) error {
-                       var hash chainhash.Hash
-                       copy(hash[:], k)
-                       hashes = append(hashes, hash)
-                       return nil
-               })
-
-               log.Infof("Loading headers for %d blocks...", len(hashes))
-               startTime := time.Now()
-               hdrs, err := tx.FetchBlockHeaders(hashes)
-               if err != nil {
-                       return err
-               }
-               log.Infof("Loaded %d headers in %v", len(hdrs),
-                       time.Since(startTime))
-               return nil
-       })
-       return err
-}