Golang Block.Nonce方法代碼示例

func NewBlockRes(block *types.Block, td *big.Int, fullTx bool) *BlockRes {
	if block == nil {
		return nil
	}

	res := new(BlockRes)
	res.fullTx = fullTx
	res.BlockNumber = newHexNum(block.Number())
	res.BlockHash = newHexData(block.Hash())
	res.ParentHash = newHexData(block.ParentHash())
	res.Nonce = newHexData(block.Nonce())
	res.Sha3Uncles = newHexData(block.UncleHash())
	res.LogsBloom = newHexData(block.Bloom())
	res.TransactionRoot = newHexData(block.TxHash())
	res.StateRoot = newHexData(block.Root())
	res.ReceiptRoot = newHexData(block.ReceiptHash())
	res.Miner = newHexData(block.Coinbase())
	res.Difficulty = newHexNum(block.Difficulty())
	res.TotalDifficulty = newHexNum(td)
	res.Size = newHexNum(block.Size().Int64())
	res.ExtraData = newHexData(block.Extra())
	res.GasLimit = newHexNum(block.GasLimit())
	res.GasUsed = newHexNum(block.GasUsed())
	res.UnixTimestamp = newHexNum(block.Time())

	txs := block.Transactions()
	res.Transactions = make([]*TransactionRes, len(txs))
	for i, tx := range txs {
		res.Transactions[i] = NewTransactionRes(tx)
		res.Transactions[i].BlockHash = res.BlockHash
		res.Transactions[i].BlockNumber = res.BlockNumber
		res.Transactions[i].TxIndex = newHexNum(i)
	}

	uncles := block.Uncles()
	res.Uncles = make([]*UncleRes, len(uncles))
	for i, uncle := range uncles {
		res.Uncles[i] = NewUncleRes(uncle)
	}

	return res
}

func (self *ImportMaster) importBlock(block *types.Block) {
	blockHash := block.Header().Hash().Hex()
	txAmount := uint64(len(block.Transactions()))

	glog.V(logger.Info).Infoln("Importing block", blockHash, "Hash with ", txAmount, "transactions")
	extData := string(block.Header().Extra[:])

	err := self.blockCollection.Insert(&Block{blockHash, block.ParentHash().Hex(), block.Header().UncleHash.Hex(), block.Header().Coinbase.Hex(), block.Header().Root.Hex(), block.Header().TxHash.Hex(), block.Header().ReceiptHash.Hex(), block.Header().Number.String(), block.Header().Difficulty.String(), block.Header().GasLimit.String(), block.Header().GasUsed.String(), block.Header().Time, txAmount, extData, string(block.Nonce()), block.Size().String(), block.Header().MixDigest.Hex(), false, nil})
	if err != nil {
		clilogger.Infoln(err)
	}
	result := Block{}
	err = self.blockCollection.Find(bson.M{"block_hash": blockHash}).One(&result)
	if err != nil {
		utils.Fatalf("Could not find the block we just added, saving faild: %v", err)
	}
	for _, tx := range block.Transactions() {
		self.importTx(tx, result.Id)
	}
}

func NewChainManager(genesis *types.Block, blockDb, stateDb common.Database, pow pow.PoW, mux *event.TypeMux) (*ChainManager, error) {
	cache, _ := lru.New(blockCacheLimit)
	bc := &ChainManager{
		blockDb:      blockDb,
		stateDb:      stateDb,
		genesisBlock: GenesisBlock(42, stateDb),
		eventMux:     mux,
		quit:         make(chan struct{}),
		cache:        cache,
		pow:          pow,
	}
	// Check the genesis block given to the chain manager. If the genesis block mismatches block number 0
	// throw an error. If no block or the same block's found continue.
	if g := bc.GetBlockByNumber(0); g != nil && g.Hash() != genesis.Hash() {
		return nil, fmt.Errorf("Genesis mismatch. Maybe different nonce (%d vs %d)? %x / %x", g.Nonce(), genesis.Nonce(), g.Hash().Bytes()[:4], genesis.Hash().Bytes()[:4])
	}
	bc.genesisBlock = genesis
	bc.setLastState()

	// Check the current state of the block hashes and make sure that we do not have any of the bad blocks in our chain
	for hash, _ := range BadHashes {
		if block := bc.GetBlock(hash); block != nil {
			glog.V(logger.Error).Infof("Found bad hash. Reorganising chain to state %x\n", block.ParentHash().Bytes()[:4])
			block = bc.GetBlock(block.ParentHash())
			if block == nil {
				glog.Fatal("Unable to complete. Parent block not found. Corrupted DB?")
			}
			bc.SetHead(block)

			glog.V(logger.Error).Infoln("Chain reorg was successfull. Resuming normal operation")
		}
	}

	bc.transState = bc.State().Copy()
	// Take ownership of this particular state
	bc.txState = state.ManageState(bc.State().Copy())

	bc.futureBlocks, _ = lru.New(maxFutureBlocks)
	bc.makeCache()

	go bc.update()

	return bc, nil
}