Пример #1
0
func addMipmapBloomBins(db ethdb.Database) (err error) {
	const mipmapVersion uint = 2

	// check if the version is set. We ignore data for now since there's
	// only one version so we can easily ignore it for now
	var data []byte
	data, _ = db.Get([]byte("setting-mipmap-version"))
	if len(data) > 0 {
		var version uint
		if err := rlp.DecodeBytes(data, &version); err == nil && version == mipmapVersion {
			return nil
		}
	}

	defer func() {
		if err == nil {
			var val []byte
			val, err = rlp.EncodeToBytes(mipmapVersion)
			if err == nil {
				err = db.Put([]byte("setting-mipmap-version"), val)
			}
			return
		}
	}()
	latestBlock := core.GetBlock(db, core.GetHeadBlockHash(db))
	if latestBlock == nil { // clean database
		return
	}

	tstart := time.Now()
	glog.V(logger.Info).Infoln("upgrading db log bloom bins")
	for i := uint64(0); i <= latestBlock.NumberU64(); i++ {
		hash := core.GetCanonicalHash(db, i)
		if (hash == common.Hash{}) {
			return fmt.Errorf("chain db corrupted. Could not find block %d.", i)
		}
		core.WriteMipmapBloom(db, i, core.GetBlockReceipts(db, hash))
	}
	glog.V(logger.Info).Infoln("upgrade completed in", time.Since(tstart))
	return nil
}
Пример #2
0
func (self *worker) wait() {
	for {
		for result := range self.recv {
			atomic.AddInt32(&self.atWork, -1)

			if result == nil {
				continue
			}
			block := result.Block
			work := result.Work

			if self.fullValidation {
				if _, err := self.chain.InsertChain(types.Blocks{block}); err != nil {
					glog.V(logger.Error).Infoln("mining err", err)
					continue
				}
				go self.mux.Post(core.NewMinedBlockEvent{block})
			} else {
				work.state.Commit()
				parent := self.chain.GetBlock(block.ParentHash())
				if parent == nil {
					glog.V(logger.Error).Infoln("Invalid block found during mining")
					continue
				}

				auxValidator := self.eth.BlockChain().AuxValidator()
				if err := core.ValidateHeader(auxValidator, block.Header(), parent.Header(), true, false); err != nil && err != core.BlockFutureErr {
					glog.V(logger.Error).Infoln("Invalid header on mined block:", err)
					continue
				}

				stat, err := self.chain.WriteBlock(block)
				if err != nil {
					glog.V(logger.Error).Infoln("error writing block to chain", err)
					continue
				}

				// update block hash since it is now available and not when the receipt/log of individual transactions were created
				for _, r := range work.receipts {
					for _, l := range r.Logs {
						l.BlockHash = block.Hash()
					}
				}
				for _, log := range work.state.Logs() {
					log.BlockHash = block.Hash()
				}

				// check if canon block and write transactions
				if stat == core.CanonStatTy {
					// This puts transactions in a extra db for rpc
					core.WriteTransactions(self.chainDb, block)
					// store the receipts
					core.WriteReceipts(self.chainDb, work.receipts)
					// Write map map bloom filters
					core.WriteMipmapBloom(self.chainDb, block.NumberU64(), work.receipts)
				}

				// broadcast before waiting for validation
				go func(block *types.Block, logs vm.Logs, receipts []*types.Receipt) {
					self.mux.Post(core.NewMinedBlockEvent{block})
					self.mux.Post(core.ChainEvent{block, block.Hash(), logs})

					if stat == core.CanonStatTy {
						self.mux.Post(core.ChainHeadEvent{block})
						self.mux.Post(logs)
					}
					if err := core.WriteBlockReceipts(self.chainDb, block.Hash(), receipts); err != nil {
						glog.V(logger.Warn).Infoln("error writing block receipts:", err)
					}
				}(block, work.state.Logs(), work.receipts)
			}

			// check staleness and display confirmation
			var stale, confirm string
			canonBlock := self.chain.GetBlockByNumber(block.NumberU64())
			if canonBlock != nil && canonBlock.Hash() != block.Hash() {
				stale = "stale "
			} else {
				confirm = "Wait 5 blocks for confirmation"
				work.localMinedBlocks = newLocalMinedBlock(block.Number().Uint64(), work.localMinedBlocks)
			}
			glog.V(logger.Info).Infof("🔨  Mined %sblock (#%v / %x). %s", stale, block.Number(), block.Hash().Bytes()[:4], confirm)

			self.commitNewWork()
		}
	}
}