// Seals the current open block, store it in db and create the next open block
func newEntryCreditBlock(chain *common.ECChain) *common.ECBlock {
// acquire the last block
block := chain.NextBlock
if chain.NextBlockHeight != dchain.NextDBHeight {
panic("Entry Credit Block height does not match Directory Block height:" + string(dchain.NextDBHeight))
}
block.BuildHeader()
// Create the block and add a new block for new coming entries
chain.BlockMutex.Lock()
chain.NextBlockHeight++
var err error
chain.NextBlock, err = common.NextECBlock(block)
if err != nil {
procLog.Debug("EntryCreditBlock Error: " + err.Error())
return nil
}
chain.NextBlock.AddEntry(serverIndex)
chain.BlockMutex.Unlock()
//Store the block in db
db.ProcessECBlockBatch(block)
procLog.Infof("EntryCreditBlock: block" + strconv.FormatUint(uint64(block.Header.DBHeight), 10) + " created for chain: " + chain.ChainID.String())
return block
}
// Initialize Entry Credit Block Chain from database
func initECChain() {
eCreditMap = make(map[string]int32)
//Initialize the Entry Credit Chain ID
ecchain = common.NewECChain()
// get all ecBlocks from db
ecBlocks, _ := db.FetchAllECBlocks()
sort.Sort(util.ByECBlockIDAccending(ecBlocks))
for i, v := range ecBlocks {
if v.Header.DBHeight != uint32(i) {
panic("Error in initializing dChain:" + ecchain.ChainID.String() + " DBHeight:" + strconv.Itoa(int(v.Header.DBHeight)) + " i:" + strconv.Itoa(i))
}
// Calculate the EC balance for each account
initializeECreditMap(&v)
}
//Create an empty block and append to the chain
if len(ecBlocks) == 0 || dchain.NextDBHeight == 0 {
ecchain.NextBlockHeight = 0
ecchain.NextBlock = common.NewECBlock()
ecchain.NextBlock.AddEntry(serverIndex)
for i := 0; i < 10; i++ {
marker := common.NewMinuteNumber()
marker.Number = uint8(i + 1)
ecchain.NextBlock.AddEntry(marker)
}
} else {
// Entry Credit Chain should have the same height as the dir chain
ecchain.NextBlockHeight = dchain.NextDBHeight
var err error
ecchain.NextBlock, err = common.NextECBlock(&ecBlocks[ecchain.NextBlockHeight-1])
if err != nil {
panic(err)
}
}
// create a backup copy before processing entries
copyCreditMap(eCreditMap, eCreditMapBackup)
exportECChain(ecchain)
// ONly for debugging
if procLog.Level() > factomlog.Info {
printCreditMap()
}
}