func LocalAcceptBlock(bl *btc.Block, from *network.OneConnection) (e error) { sta := time.Now() e = common.BlockChain.AcceptBlock(bl) if e == nil { network.MutexRcv.Lock() network.ReceivedBlocks[bl.Hash.BIdx()].TmAccept = time.Now().Sub(sta) network.MutexRcv.Unlock() for i := 1; i < len(bl.Txs); i++ { network.TxMined(bl.Txs[i].Hash) } if int64(bl.BlockTime()) > time.Now().Add(-10*time.Minute).Unix() { // Freshly mined block - do the inv and beeps... common.Busy("NetRouteInv") network.NetRouteInv(2, bl.Hash, from) if common.CFG.Beeps.NewBlock { fmt.Println("\007Received block", common.BlockChain.BlockTreeEnd.Height) textui.ShowPrompt() } if common.MinedByUs(bl.Raw) { fmt.Println("\007Mined by '"+common.CFG.Beeps.MinerID+"':", bl.Hash) textui.ShowPrompt() } if common.CFG.Beeps.ActiveFork && common.Last.Block == common.BlockChain.BlockTreeEnd { // Last block has not changed, so it must have been an orphaned block bln := common.BlockChain.BlockIndex[bl.Hash.BIdx()] commonNode := common.Last.Block.FirstCommonParent(bln) forkDepth := bln.Height - commonNode.Height fmt.Println("Orphaned block:", bln.Height, bl.Hash.String()) if forkDepth > 1 { fmt.Println("\007\007\007WARNING: the fork is", forkDepth, "blocks deep") } textui.ShowPrompt() } if wallet.BalanceChanged && common.CFG.Beeps.NewBalance { fmt.Print("\007") } } common.Last.Mutex.Lock() common.Last.Time = time.Now() common.Last.Block = common.BlockChain.BlockTreeEnd common.Last.Mutex.Unlock() if wallet.BalanceChanged { wallet.BalanceChanged = false fmt.Println("Your balance has just changed") fmt.Print(wallet.DumpBalance(nil, false)) textui.ShowPrompt() } } else { fmt.Println("Warning: AcceptBlock failed. If the block was valid, you may need to rebuild the unspent DB (-r)") } return }
func chkblock(bl *btc.Block) (er error) { // Check timestamp (must not be higher than now +2 hours) if int64(bl.BlockTime()) > time.Now().Unix()+2*60*60 { er = errors.New("CheckBlock() : block timestamp too far in the future") return } if prv, pres := MemBlockChain.BlockIndex[bl.Hash.BIdx()]; pres { if prv.Parent == nil { // This is genesis block er = errors.New("Genesis") return } else { return } } prevblk, ok := MemBlockChain.BlockIndex[btc.NewUint256(bl.ParentHash()).BIdx()] if !ok { er = errors.New("CheckBlock: " + bl.Hash.String() + " parent not found") return } // Check proof of work gnwr := MemBlockChain.GetNextWorkRequired(prevblk, bl.BlockTime()) if bl.Bits() != gnwr { if !Testnet || ((prevblk.Height+1)%2016) != 0 { er = errors.New(fmt.Sprint("CheckBlock: Incorrect proof of work at block", prevblk.Height+1)) } } cur := new(btc.BlockTreeNode) cur.BlockHash = bl.Hash cur.Parent = prevblk cur.Height = prevblk.Height + 1 cur.TxCount = uint32(bl.TxCount) copy(cur.BlockHeader[:], bl.Raw[:80]) prevblk.Childs = append(prevblk.Childs, cur) MemBlockChain.BlockIndex[cur.BlockHash.BIdx()] = cur LastBlock.Mutex.Lock() if cur.Height > LastBlock.node.Height { LastBlock.node = cur } LastBlock.Mutex.Unlock() return }