本文整理匯總了Golang中github.com/FactomProject/FactomCode/database.Db.UpdateBlockHeightCache方法的典型用法代碼示例。如果您正苦於以下問題：Golang Db.UpdateBlockHeightCache方法的具體用法？Golang Db.UpdateBlockHeightCache怎麽用？Golang Db.UpdateBlockHeightCache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/FactomProject/FactomCode/database.Db的用法示例。
在下文中一共展示了Db.UpdateBlockHeightCache方法的2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: storeBlocksFromMemPool
// Validate the new blocks in mem pool and store them in db
// Need to make a batch insert in db in milestone 2
func storeBlocksFromMemPool(b *common.DirectoryBlock, fMemPool *ftmMemPool, db database.Db) error {
fMemPool.RLock()
defer fMemPool.RUnlock()
for _, dbEntry := range b.DBEntries {
switch dbEntry.ChainID.String() {
case ecchain.ChainID.String():
ecBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgECBlock)
err := db.ProcessECBlockBatch(ecBlkMsg.ECBlock)
if err != nil {
return err
}
// needs to be improved??
initializeECreditMap(ecBlkMsg.ECBlock)
// for debugging
exportECBlock(ecBlkMsg.ECBlock)
case achain.ChainID.String():
aBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgABlock)
err := db.ProcessABlockBatch(aBlkMsg.ABlk)
if err != nil {
return err
}
// for debugging
exportABlock(aBlkMsg.ABlk)
case fchain.ChainID.String():
fBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgFBlock)
err := db.ProcessFBlockBatch(fBlkMsg.SC)
if err != nil {
return err
}
// Initialize the Factoid State
err = common.FactoidState.AddTransactionBlock(fBlkMsg.SC)
FactoshisPerCredit = fBlkMsg.SC.GetExchRate()
if err != nil {
return err
}
// for debugging
exportFctBlock(fBlkMsg.SC)
default:
// handle Entry Block
eBlkMsg, _ := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgEBlock)
// store entry in db first
for _, ebEntry := range eBlkMsg.EBlk.Body.EBEntries {
if msg, foundInMemPool := fMemPool.blockpool[ebEntry.String()]; foundInMemPool {
err := db.InsertEntry(msg.(*wire.MsgEntry).Entry)
if err != nil {
return err
}
}
}
// Store Entry Block in db
err := db.ProcessEBlockBatch(eBlkMsg.EBlk)
if err != nil {
return err
}
// create a chain when it's the first block of the entry chain
if eBlkMsg.EBlk.Header.EBSequence == 0 {
chain := new(common.EChain)
chain.ChainID = eBlkMsg.EBlk.Header.ChainID
chain.FirstEntry, _ = db.FetchEntryByHash(eBlkMsg.EBlk.Body.EBEntries[0])
if chain.FirstEntry == nil {
return errors.New("First entry not found for chain:" + eBlkMsg.EBlk.Header.ChainID.String())
}
db.InsertChain(chain)
chainIDMap[chain.ChainID.String()] = chain
}
// for debugging
exportEBlock(eBlkMsg.EBlk)
}
}
dbhash, dbHeight, _ := db.FetchBlockHeightCache()
//fmt.Printf("last block height is %d, to-be-saved block height is %d\n", dbHeight, b.Header.DBHeight)
// Store the dir block
err := db.ProcessDBlockBatch(b)
if err != nil {
return err
}
lastDirBlockTimestamp = b.Header.Timestamp
// Update dir block height cache in db
commonHash, _ := common.CreateHash(b)
db.UpdateBlockHeightCache(b.Header.DBHeight, commonHash)
// for debugging
exportDBlock(b)
// this means, there's syncup breakage happened, and let's renew syncup.
if uint32(dbHeight) < b.Header.DBHeight-1 {
startHash, _ := wire.NewShaHash(dbhash.Bytes())
stopHash, _ := wire.NewShaHash(commonHash.Bytes())
outMsgQueue <- &wire.MsgInt_ReSyncup{
//.........這裏部分代碼省略.........
示例2: storeBlocksFromMemPool
// Validate the new blocks in mem pool and store them in db
// Need to make a batch insert in db in milestone 2
func storeBlocksFromMemPool(b *common.DirectoryBlock, fMemPool *ftmMemPool, db database.Db) error {
for _, dbEntry := range b.DBEntries {
switch dbEntry.ChainID.String() {
case ecchain.ChainID.String():
ecBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgECBlock)
err := db.ProcessECBlockBatch(ecBlkMsg.ECBlock)
if err != nil {
return err
}
// needs to be improved??
initializeECreditMap(ecBlkMsg.ECBlock)
// for debugging
exportECBlock(ecBlkMsg.ECBlock)
case achain.ChainID.String():
aBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgABlock)
err := db.ProcessABlockBatch(aBlkMsg.ABlk)
if err != nil {
return err
}
// for debugging
exportABlock(aBlkMsg.ABlk)
case fchain.ChainID.String():
fBlkMsg := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgFBlock)
err := db.ProcessFBlockBatch(fBlkMsg.SC)
if err != nil {
return err
}
// Initialize the Factoid State
err = common.FactoidState.AddTransactionBlock(fBlkMsg.SC)
FactoshisPerCredit = fBlkMsg.SC.GetExchRate()
if err != nil {
return err
}
// for debugging
exportFctBlock(fBlkMsg.SC)
default:
// handle Entry Block
eBlkMsg, _ := fMemPool.blockpool[dbEntry.KeyMR.String()].(*wire.MsgEBlock)
// store entry in db first
for _, ebEntry := range eBlkMsg.EBlk.Body.EBEntries {
if msg, foundInMemPool := fMemPool.blockpool[ebEntry.String()]; foundInMemPool {
err := db.InsertEntry(msg.(*wire.MsgEntry).Entry)
if err != nil {
return err
}
}
}
// Store Entry Block in db
err := db.ProcessEBlockBatch(eBlkMsg.EBlk)
if err != nil {
return err
}
// create a chain when it's the first block of the entry chain
if eBlkMsg.EBlk.Header.EBSequence == 0 {
chain := new(common.EChain)
chain.ChainID = eBlkMsg.EBlk.Header.ChainID
chain.FirstEntry, _ = db.FetchEntryByHash(eBlkMsg.EBlk.Body.EBEntries[0])
if chain.FirstEntry == nil {
return errors.New("First entry not found for chain:" + eBlkMsg.EBlk.Header.ChainID.String())
}
db.InsertChain(chain)
chainIDMap[chain.ChainID.String()] = chain
}
// for debugging
exportEBlock(eBlkMsg.EBlk)
}
}
// Store the dir block
err := db.ProcessDBlockBatch(b)
if err != nil {
return err
}
// Update dir block height cache in db
commonHash, _ := common.CreateHash(b)
db.UpdateBlockHeightCache(b.Header.DBHeight, commonHash)
// for debugging
exportDBlock(b)
return nil
}