// Initialize the entry chains in memory from db
func initEChainFromDB(chain *common.EChain) {
eBlocks, _ := db.FetchAllEBlocksByChain(chain.ChainID)
sort.Sort(util.ByEBlockIDAccending(*eBlocks))
for i := 0; i < len(*eBlocks); i = i + 1 {
if uint32(i) != (*eBlocks)[i].Header.EBSequence {
panic(errors.New("BlockID does not equal index for chain:" + chain.ChainID.String() + " block:" + fmt.Sprintf("%v", (*eBlocks)[i].Header.EBSequence)))
}
}
var err error
if len(*eBlocks) == 0 {
chain.NextBlockHeight = 0
chain.NextBlock, err = common.MakeEBlock(chain, nil)
if err != nil {
panic(err)
}
} else {
chain.NextBlockHeight = uint32(len(*eBlocks))
chain.NextBlock, err = common.MakeEBlock(chain, &(*eBlocks)[len(*eBlocks)-1])
if err != nil {
panic(err)
}
}
// Initialize chain with the first entry (Name and rules) for non-server mode
if nodeMode != common.SERVER_NODE && chain.FirstEntry == nil && len(*eBlocks) > 0 {
chain.FirstEntry, _ = db.FetchEntryByHash((*eBlocks)[0].Body.EBEntries[0])
if chain.FirstEntry != nil {
db.InsertChain(chain)
}
}
}
// Seals the current open block, store it in db and create the next open block
func newEntryBlock(chain *common.EChain) *common.EBlock {
// acquire the last block
block := chain.NextBlock
if block == nil {
return nil
}
if len(block.Body.EBEntries) < 1 {
procLog.Debug("No new entry found. No block created for chain: " + chain.ChainID.String())
return nil
}
// Create the block and add a new block for new coming entries
block.Header.DBHeight = dchain.NextDBHeight
block.Header.EntryCount = uint32(len(block.Body.EBEntries))
chain.NextBlockHeight++
var err error
chain.NextBlock, err = common.MakeEBlock(chain, block)
if err != nil {
procLog.Debug("EntryBlock Error: " + err.Error())
return nil
}
//Store the block in db
db.ProcessEBlockBatch(block)
procLog.Infof("EntryBlock: block" + strconv.FormatUint(uint64(block.Header.EBSequence), 10) + " created for chain: " + chain.ChainID.String())
return block
}