本文整理匯總了Golang中github.com/btcsuite/btcd/database.Db.InsertBlock方法的典型用法代碼示例。如果您正苦於以下問題:Golang Db.InsertBlock方法的具體用法?Golang Db.InsertBlock怎麽用?Golang Db.InsertBlock使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/btcsuite/btcd/database.Db
的用法示例。
在下文中一共展示了Db.InsertBlock方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: chainSetup
// chainSetup is used to create a new db and chain instance with the genesis
// block already inserted. In addition to the new chain instnce, it returns
// a teardown function the caller should invoke when done testing to clean up.
func chainSetup(dbName string) (*blockchain.BlockChain, func(), error) {
if !isSupportedDbType(testDbType) {
return nil, nil, fmt.Errorf("unsupported db type %v", testDbType)
}
// Handle memory database specially since it doesn't need the disk
// specific handling.
var db database.Db
var teardown func()
if testDbType == "memdb" {
ndb, err := database.CreateDB(testDbType)
if err != nil {
return nil, nil, fmt.Errorf("error creating db: %v", err)
}
db = ndb
// Setup a teardown function for cleaning up. This function is
// returned to the caller to be invoked when it is done testing.
teardown = func() {
db.Close()
}
} else {
// Create the root directory for test databases.
if !fileExists(testDbRoot) {
if err := os.MkdirAll(testDbRoot, 0700); err != nil {
err := fmt.Errorf("unable to create test db "+
"root: %v", err)
return nil, nil, err
}
}
// Create a new database to store the accepted blocks into.
dbPath := filepath.Join(testDbRoot, dbName)
_ = os.RemoveAll(dbPath)
ndb, err := database.CreateDB(testDbType, dbPath)
if err != nil {
return nil, nil, fmt.Errorf("error creating db: %v", err)
}
db = ndb
// Setup a teardown function for cleaning up. This function is
// returned to the caller to be invoked when it is done testing.
teardown = func() {
dbVersionPath := filepath.Join(testDbRoot, dbName+".ver")
db.Sync()
db.Close()
os.RemoveAll(dbPath)
os.Remove(dbVersionPath)
os.RemoveAll(testDbRoot)
}
}
// Insert the main network genesis block. This is part of the initial
// database setup.
genesisBlock := btcutil.NewBlock(chaincfg.MainNetParams.GenesisBlock)
_, err := db.InsertBlock(genesisBlock)
if err != nil {
teardown()
err := fmt.Errorf("failed to insert genesis block: %v", err)
return nil, nil, err
}
chain := blockchain.New(db, &chaincfg.MainNetParams, nil)
return chain, teardown, nil
}